positive and negative pressure system and operation method therefor, and positive and negative pressure electrical appliance using positive and negative pressure system

An intelligent positive and negative pressure refrigerator, comprising a refrigerator body 7, wherein the refrigerator body 7 is internally provided with an intelligent positive and negative pressure system, a refrigeration system 8, a general refrigerator compartment 9, a general freezer compartment 10, an air water production device 11, and a touch screen and mobile phone monitoring system 12;

• the intelligent positive and negative pressure system comprises a positive and negative pressure chamber 1, a suction pump 2, an inflation pump 3, a positive and negative pressure intelligent regulation device 5, and positive and negative pressure airflow load generation processors;
• the positive and negative pressure chamber 1 comprises a chamber body 1.1, a chamber door 1.2, an internal and external communicating sealer 1.4, a pneumatic airtight mechanism 1.5, an electric airtight mechanism 1.6, a pneumatic chamber door switch 1.8, and an electric chamber door switch 1.9;
• the chamber door 1.2 is a refrigerator door of the positive and negative pressure refrigerator;
• the positive and negative pressure chamber 1 is designed into a vacuum high pressure refrigerating chamber 1-1 and a vacuum high pressure freezing chamber 1-2 according to particular refrigerating and freezing requirements of the refrigerator;
• the pneumatic airtight mechanism 1.5 is arranged between the chamber door 1.2 and the chamber body 1.1 of the vacuum high pressure refrigerating chamber 1-1;
• the pneumatic airtight mechanism 1.5 comprises pneumatic sealing lock bolts 1.51 and sealing lock bolt telescopic airbags 1.52 which are integrally manufactured at the rear parts of the sealing lock bolts 1.51, the number of the sealing lock bolts 1.51 and the sealing lock bolt telescopic airbags 1.52 which are of an integrated structure is four, and the integrated structures are all in the shape of long strips and respectively installed in four chamber airtight grooves 1.11 arranged in four borders of the door frame of the chamber body 1.1, the outer layer of the section of the lock bolt is sealing rubber, and the inside of the lock bolt is a bend-resistant metal core;
• the sealing lock bolt foldable telescopic airbag 1.52 is a foldable rubber airbag which can be inflated to elongate;
• an inflation socket 1.53 is arranged at the rear part of each airbag, and an inflation plug 1.54 is plugged into the inflation socket 1.53;
• four inflation plugs 1.54 are respectively installed at respective midpoints of four side pipelines connected to the four edges of a square annular airtight mechanism inflatable branch pipeline A8.1;
• the pipeline at the bottom side of the square annular airtight mechanism inflatable branch pipeline A8.1 is perpendicularly connected to an airtight mechanism inflation pipeline A8 and communicates with an air outlet d of the inflation pump 3 by a solenoid valve B8 and a pipeline A3 as well as a solenoid valve B3;
• when closed, the chamber door 1.2 makes contact with the pneumatic chamber door switch 1.8, and the inflation pump 3 is immediately started to inflate and elongate the sealing lock bolt foldable telescopic airbag 1.52 and push the sealing lock bolt 1.51 to extend outwards from the chamber airtight groove 1.11 and extend into the chamber door airtight groove 1.21 arranged at the opposite position, thereby locking and sealing the chamber door;
• when a user opens the chamber door, the sealing lock bolt foldable telescopic airbag 1.52 is deflated by the pneumatic chamber door switch 1.8, such that the sealing lock bolt 1.51 retracts to open the chamber door;
• the electric airtight mechanism 1.6 is arranged between a chamber door 1.2 and a chamber body 1.1 of the vacuum high pressure freezing chamber 1-2;
• the electric airtight mechanism 1.6 comprises electric sealing lock bolts 1.61, electromagnets 1.62, and tension springs 1.63;
• a total of four sealing lock bolts 1.61 is provided, the sealing lock bolts are all in the shape of long strips and movably installed in four chamber airtight grooves 1.11 arranged in the periphery of the door frame of the chamber body and hung onto the tension springs 1.63, respectively, and the other ends of the tension springs are fixedly hung at the bottom in the chamber airtight grooves 1.11;
• the outer layer of the section of the bolt body of each of the sealing lock bolts 1.61 is a sealing rubber layer, and the inside of the bolt body is a bend-resistant and magnetic-attractive metal core;
• the sealing rubber layer, facing the electromagnet 1.62, on one side of the sealing lock bolt is open to partially expose the inner metal core so as to be attracted by the electromagnet 1.62;
• the electromagnet 1.62 is also in the shape of long strip corresponding to the shape of the sealing lock bolt 1.61 and is fixedly installed in the groove bottom of the chamber door airtight groove 1.21 corresponding to the chamber airtight groove 1.11;
• when the sealing is required after the door is closed, the electromagnet 1.62 is powered by the electric chamber door switch 1.9 to generate magnetic force to attract the sealing lock bolt 1.61 installed in the opposite chamber airtight groove 1.11 into the chamber door airtight groove 1.21;
• during door opening, the electromagnet 1.62 is powered off by the electric chamber door switch 1.9, the magnetic force disappears, the sealing lock bolt 1.61 is pulled back into the chamber airtight groove 1.11 by the tension spring 1.63 so as to open the chamber door;
• the internal and external communicating sealer 1.4 is fixedly arranged at the rear part of the positive and negative pressure chamber 1, all pipelines and circuits getting in and out the chamber are connected to and pass through the internal and external communicating sealer 1.4 so as to keep the sealing property of the positive and negative pressure chamber 1;
• the positive and negative pressure chamber 1 is externally provided with a suction pump 2, an inflation pump 3, a positive and negative pressure intelligent regulation device 5, a modified atmosphere device 6.1, a super oxygen decomposer 6.7, an air filter 6.8, a refrigeration system 8, an air water production device 11, a filtering water tank 11.1, and a touch screen and mobile phone monitoring system 12;
• an air suction pipeline A1 is installed at an air inlet a of the suction pump 52, air suction branch pipelines A1.1 and A1.2 are respectively connected to the air suction pipeline A1, solenoid valves B1.1 and B1.2 are respectively installed at the respective middle parts of the air suction branch pipelines A1.1 and A1.2, and the other ends of the air suction branch pipelines A1.1 and A1.2 respectively extend into the vacuum high pressure refrigerating chamber 1-1 and the vacuum high pressure freezing chamber 1-2 to form air suction and air return ports c1 and c2 thereof;
• an exhaust pipeline A2 is installed at an air outlet b of the suction pump 2, the super oxygen decomposer 6.7 and a solenoid valve B2 are installed at the middle part of the exhaust pipeline A2, the other end of the exhaust pipeline A2 communicates with an air inlet h of the air water production device 11, passes through the air water production device 11 and then is open to the atmosphere through an air outlet n of the air water production device 11;
• an inflation pipeline A3 is installed at an air outlet d of the inflation pump 3, a solenoid valve B3 is installed at the middle part of the inflation pipeline A3, inflation branch pipelines A3.1, A3.2, A3.3 and A3.4 are respectively connected to the other end of the inflation pipeline A3, solenoid valves B3.1, B3.2, B3.3 and B3.4 are installed at the respective middle parts of the inflation branch pipelines A3.1, A3.2, A3.3 and A3.4, respectively, and the other ends of inflation branch pipelines A3.1, A3.2, A3.3 and A3.4 respectively extend into the vacuum high pressure refrigerating chamber 1-1 and the vacuum high pressure freezing chamber 1-2;
• an inflatable air inlet f1 of the vacuum high pressure refrigerating chamber 1-1 is formed in the port of the other end of the A3.1, an inflatable air inlet f2 of the vacuum high pressure freezing chamber 1-2 is formed in the port of the other end of the A3.2, the other end of the A3.3 is connected to an air inlet G of an ultra-high pressure thawing chamber 1-3, and the other end of the A3.4 is connected to an air inlet Q of an ultra-high pressure deep-freezing chamber 1-4;
• an air intake pipeline A4 is installed at an air inlet e of the inflation pump 3, the air filter 6.8 and a solenoid valve B4 are installed at the middle part of the air intake pipeline A4, and the other end of the air intake pipeline A4 is open to atmosphere;
• a circulating pipeline A5 is further connected to the solenoid valve B4, circulating branch pipelines A5.1 and A5.2 are connected to the circulating pipeline A5, solenoid valves B5.1 and B5.2 are installed at the respective middle parts of the circulating branch pipelines A5.1 and A5.2, and the other ends of the circulating branch pipelines A5.1 and A5.2 respectively extend into the vacuum high pressure refrigerating chamber 1-1 and the vacuum high pressure freezing chamber 1-2 to form circulating air return ports j1 and j2 thereof;
• an air water production inflation pipeline A9 is further connected to the circulating pipeline A5, and the air water production inflation pipeline A9 is connected to the solenoid valve B2 to communicate with an air inlet h of the air water production device 11 through the exhaust pipeline A2;
• the air water production inflation pipeline A9 is connected to the circulating pipeline A5 and communicates with the solenoid valve B3, and then communicates with the air outlet d of the inflation pump 3 through the inflation pipeline A3;
• a modified atmosphere air intake pipeline A6 is installed at an air inlet t of the modified atmosphere device 6.1, a solenoid valve B6 is installed the middle part of the modified atmosphere air intake pipeline A6, and the other end of the modified atmosphere air intake pipeline is connected to the inflation pipeline A3 and then communicates with the air outlet d of the inflation pump 3 by the solenoid valve B3;
• modified atmosphere air outlet pipelines A7.1 and A7.2 are respectively installed at air outlets s1 and s2 of the modified atmosphere device 6.1, solenoid valves B7.1 and B7.2 are respectively installed at the middle parts of the modified atmosphere air outlet pipelines A7.1 and A7.2, the other ends of the modified atmosphere air outlet pipelines A7.1 and A7.2 respectively extend into the vacuum high pressure refrigerating chamber 1-1 and the vacuum high pressure freezing chamber 1-2 to form respective modified atmosphere air inlets i1 and i2 thereof;
• the inflation pipeline A3 is further connected to an airtight mechanism inflation pipeline A8, a solenoid valve B8 is installed at the middle part of the airtight mechanism inflation pipeline A8, and the other end of the airtight mechanism inflation pipeline A8 is perpendicularly connected to the pipeline at the bottom side of the square annular airtight mechanism inflation branch pipeline A8.1;
• four side pipelines of the square annular airtight mechanism inflation branch pipeline A8.1 communicate with one another, inflation plugs 1.54 are installed at respective middle parts of the four side pipelines, and the four inflation plugs 1.54 are all plugged into the inflation sockets 1.53;
• an air water production pipeline A10 is installed at a water outlet x of the air water production device 11, and the air water production pipeline A10 communicates with a water inlet y of the filtering water tank 11.1;
• condensate water generated in the vacuum high pressure refrigerating chamber 1-1 flows into a water inlet Y of a condensate water collecting box installed at the bottom in the vacuum high pressure refrigerating chamber, a condensate water pipeline A11 is installed at a water outlet M of the condensate water collecting box 11.2, after the condensate water pipeline A11 extends out of the vacuum high pressure refrigerating chamber 1-1, a solenoid valve B11 is installed at the middle part of the condensate water pipeline A11, the other end of condensate water pipeline A11 communicates with a water inlet v of the filtering water tank 11.1, a humidification water pipeline A12 is installed at a water outlet o of the filtering water tank 11.1, a solenoid valve B12 is installed at the middle part of the humidification water pipeline A12, and the other end of the humidification water pipeline A12 extends into the vacuum high pressure refrigerating chamber 1-1 and communicates with a water inlet R of the humidifier 6.5;
• a refrigerating circulating pipeline A13 is installed on the refrigeration system 8, and respectively extends into the vacuum high pressure refrigerating chamber 1-1, the vacuum high pressure freezing chamber 1-2, the general refrigerator compartment 9 and the general freezer compartment 10 to communicate with an evaporator air-cooling assembly 8.1 and an evaporator direct-cooling assembly 8.2 respectively installed therein;
• the touch screen and mobile phone monitoring system 12 comprises a refrigerator door touch screen 12.1, a mobile phone APP 12.2, and a high-definition anti-fog camera device 12.3;
• the high-definition anti-fog camera device 12.3 is installed at the position needing to be monitored inside and outside the refrigerator body 7;
• the positive and negative pressure chamber 1 is internally provided with positive and negative pressure airflow load generation processors and sensors, comprising:
• a super oxygen generator 6.2, a negative ion generator 6.3, an air catalyst controlled release device 6.4, a humidifier 6.5, a condensate water collecting box 11.2, a pressure sensor C1, a negative pressure sensor C2, a super oxygen sensor C3, a negative oxygen ion sensor C4, a chlorine dioxide sensor C5, a humidity sensor C6, an oxygen sensor C7, a nitrogen sensor C8 and a temperature sensor C9 which are arranged in the vacuum high pressure refrigerating chamber 1-1;
• and an air catalyst controlled release device 6.4, a pressure sensor C1, a negative pressure sensor C2, a chlorine dioxide sensor C5, an oxygen sensor C7, a nitrogen sensor C8 and a temperature sensor C9 which are arranged in the vacuum high pressure freezing chamber 1-2;
• all airflow load generation processors, sensors, solenoid valves and devices installed inside and outside the positive and negative pressure chamber 1 comprise the suction pump 2, the inflation pump 3, the modified atmosphere device 6.1, the super oxygen generator 6.2, the negative ion generator 6.3, the air catalyst controlled release device 6.4, the humidifier 6.5, the super oxygen decomposer 6.7, the refrigeration system 8, an air water production device 11, the filtering water tank 11,1 the ultra-high-pressure unfreezing chamber 1-3, the ultra-high-pressure deep-freezing chamber 1-4, the touch screen and mobile phone monitoring system 12, the refrigerator door touch screen 12.1 the high-definition anti-fog camera device 12.3 the pressure sensor C1, the negative pressure sensor C2, the super oxygen sensor C3, the negative oxygen ion sensor C4, the chlorine dioxide sensor C5, the humidity sensor C6, the oxygen sensor C7, an nitrogen sensor C8, the temperature sensing controller C9, the water level sensor controller C10, and the solenoid valves B1 to B12 which are all connected to the positive and negative pressure intelligent regulation device 5;
• an operation method for the intelligent positive and negative pressure refrigerator comprises:
• (1) vacuum abatement heat-removal cleaning procedure:
• closing the vacuum high pressure refrigerating chamber door 1.2 of the positive and negative pressure refrigerator to touch the chamber door switch 1.8, sending an instruction by the positive and negative pressure intelligent regulation device 5 to enable the solenoid valves B3 and B8 to open the airtight mechanism inflation pipelines A8, A8 and A8.1 (air outlet d of inflation pump→A3→B3→A3→A8→B8→A8→A8.1→inflation plug 1.54→inflation socket 1.53→sealing lock bolt telescopic airbag 1.52), and turning on the inflation pump 3 to inflate the pneumatic airtight mechanism 1.5 so as to lock the chamber door 1.2;
• and meanwhile, enabling the solenoid valves B1.1 and B2 to open the air suction pipelines A1, A1.1 and A2 (air suction and air return port c1 of the vacuum high pressure refrigerating chamber 1-1→A1.1→B1.1→A1.1→A1→air inlet a of suction pump→pair outlet b→A2→air inlet g of super oxygen decomposer→air outlet m→A2→B2→A2→air inlet h of air water production device→pair outlet n→A2→exhaust to atmosphere), and turning on the suction pump 2 to pump the vacuum high pressure refrigerating chamber 1-1 to a moderate vacuum (−0.01 KPa to −0.1 MPa) (taking the local instant atmospheric pressure as the zero standard, which is the same in the text, and improving the vacuum degree according to the specific demands and refrigerator configuration), pumping away the self-contained heat of fruits, vegetables, meat and fish, part of bacteria and microorganisms and polluted air in the chamber, vacuumizing to make volatile metabolites ethylene acetaldehyde ethanol and other harmful gases in the fruit and vegetable tissues to escape and be pumped away, while inhibiting the reproduction of residual bacteria with the negative pressure to reduce the potential risks of disease aging of fruits and vegetables;
• (2) depressurized and humidified storage procedure:
• according to the pressure standard of the preset procedure and the real-time feedback of the negative pressure sensor C2, turning the suction pump 2 on or off by the positive and negative pressure intelligent regulation device 5 to a maintain an appropriate negative-pressure, low-oxygen and low-temperature environment within the vacuum high pressure refrigerating chamber 1-1, thus reducing respiration intensity of fruits and vegetables, inhibiting the biosynthesis of ethylene, delaying decomposition of chlorophyll, inhibiting the synthesis of carotenoids and lycopene, and slowing down the processes such as hydrolysis of starch, increase of sugar and consumption of acid to delay mature senescence of the fruits and vegetables, and meanwhile, turning on the humidifier 6.5 to increase humidity in the chamber and prevent the water contained in the fruits and vegetables from escaping, thus maintaining the fresh state of the fruits and vegetables for a longer time;
• (3) super-oxygen pressurized sterilization and degradation procedure:
• according to the procedure setting and feedback of the sensors C3, C4 and C6, sending, by the positive and negative pressure intelligent regulation device 5, an instruction at a proper time to turn on the super oxygen generator 6.2, the negative oxygen ion generator 6.3 and the humidifier 6.5, thus enabling the super oxygen, humidity and negative oxygen ions in the vacuum high pressure refrigerating chamber 1-1 to reach the required standards;
• meanwhile, enabling the solenoid valves B3, B3.1 and B4 to open the inflation pipelines A3, A3.1 and A4 (intake from atmosphere→A4→B4→A4→air filter→A4→air inlet e of inflation pump→pair outlet d→A3→B3→A3→A3.1→B3.1→A3.1→inflatable air inlet f1 of vacuum high pressure refrigerating chamber 1-1), and turning on the inflation pump 3 to properly pressurize the vacuum high pressure refrigerating chamber 1-1 to 0.01 KPa to 10 MPa (taking the local instant atmospheric pressure as the zero standard, and improving the pressure value according to the specific demands and refrigerator configuration), wherein the super oxygen at the appropriate positive pressure is able to perform sterilization, disinfection and mildew resistance on the fruits, vegetables, meat and fish in the vacuum high pressure refrigerating chamber 1-1 and degrade pesticide residues and ethylene and other gases exhaled by the metabolism of the fruits and vegetables, thus affecting enzyme activity in the fruits and vegetables, preventing the fruits and vegetables from browning and softening, and delaying the aging of the fruits and vegetables;
• and the appropriate high pressure further prevents the water contained in the fruits, vegetables, meat and fish from escaping, moreover, the moisture at the positive pressure is easier to permeate into the fruits, vegetables, meat and fish to supplement the water loss thereof caused by refrigeration and negative pressure, while the negative oxygen ions make the water cluster of moisture smaller so as to be absorbed by the fruits, vegetables, meat and fish easier and have the functions of inhibiting biological tissue metabolism, reducing respiration intensity, slowing down enzyme activity, and sterilizing and purifying to a certain extent the super oxygen at the positive pressure is able to permeate into the deeper interior of the fruits, vegetables, meat and fish to play a better role in sterilization and disinfection (the super oxygen is automatically decomposed and reduced into oxygen in air and water for about 30 minutes, but is very stable in ice and has a very long half-life, so the vacuum high pressure freezing chamber 1-2 is not equipped with a super oxygen generator and does not use super oxygen);
• (4) modified atmosphere pressurized storage procedure:
• opening the air suction pipeline and turning on the suction pump 2 and the super oxygen decomposer 6.7 at a proper time by the positive and negative pressure intelligent regulation device 5 according to the procedure setting or the feedback of the sensors, pumping the decomposed, sterilized, disinfected and degraded polluted air out of the chamber, and then enabling the solenoid valves B3, B6 and B7.1 to open the modified atmosphere inflation pipelines A3, A6 and A7.1 (air outlet d of inflation pump→A3→B3→A3→A6→B6→A6→air inlet t of modified atmosphere device→pair outlet s1→A7.1→B7.1→A7.1→modified atmosphere air inlet it of vacuum high pressure refrigerating chamber 1-1), and turning on the inflation pump 3 to drive the airflow to pass through a hollow fiber membrane of the modified atmosphere device 6.1 to separate the oxygen out, and enabling high-nitrogen low-oxygen gas to enter the vacuum high pressure refrigerating chamber 1-1;
• meanwhile, enabling the solenoid valves B5.1, B3 and B4 to open the modified atmosphere circulating pipelines (circulating air return port j1 of vacuum high pressure refrigerating chamber 1-1→A5.1→B5.1→A5.1→A5→B3→A5→B4→A4→air filter→A4→air inlet e of inflation pump→pair outlet d of inflation pump);
• turning on the humidifier 6.5 until the modified atmosphere gas concentration, air humidify and positive atmospheric pressure in the chamber all reach the modified atmosphere pressurized storage standards;
• forming a nitrogen-rich and oxygen-poor environment with an appropriate proportion in the vacuum high-pressure chamber and maintaining the appropriate positive pressure and appropriate humidity to effectively control the respiration rate of the stored fruits and vegetables, thus preventing anaerobic respiration and carbon dioxide poisoning, slowing down the aging process, preventing the quality decrease and flavor loss of the stored fruits and vegetables, and maintaining the moisture and supplementing the water of the fruits and vegetables with the positive pressure so as to maintain the freshness of the fruits and vegetables to the maximum extent;
• (5) leftover food pressurized preservation procedure:
• placing the leftovers into the vacuum high pressure refrigerating chamber 1-1, turning on the suction pump 2 and the air suction pipelines by the regulation device 5 until the odor already released by the leftovers and the polluted air inside the chamber are pumped out of the chamber;
• turning on the inflation pump 3 and the inflation pipelines for properly pressurized preservation, which not only prevents the odor and water from excessively scattering and losing, but also inhibits the food spoilage;
• meanwhile, according to feedback information of the humidity sensor, turning on the humidifier 6.5 at a proper time to supplement the water in the air, or turning on the super oxygen generator 6.2 at a proper time to kill the bacteria in the air to prevent food spoilage;
• (6) low-temperature assisted fresh-keeping procedure:
• after the refrigerator is turned on, turning on the refrigeration system 8 instantly by the positive and negative pressure intelligent regulation device 5, communicating the refrigeration system 8 with the evaporator air-cooling assembly 8.1 and the evaporator direct cooling assembly 8.2 by a refrigerating pipeline A13, and providing corresponding low temperature for various chambers according to the feedback and control of the temperature sensing controller C9, thus assisting the positive and negative pressure system to keep the freshness of the stored objects;
• (7) high-pressure rapid freezing and thawing and high-pressure unfreezing storage procedure:
• providing an ultra-high-pressure deep-freezing chamber 1-3 in the freeze area of the positive and negative pressure refrigerator, and providing an ultra-high-pressure unfreezing chamber 1-4 in the refrigeration area special for high-quality freezing fresh-keeping, thawing fresh-keeping and high-pressure unfreezing storage of the meat, fish and Seafoods;
• and pressurizing the ultra-high-pressure unfreezing chamber 1-4 by the inflation pump 3, wherein a certain ultra-high pressure may affect the freezing point, crystallization process and the size and shape of ice crystals of water in the tissues and cells of the meat and fish, and in the range of 0 MPa to 209.9 MPa, the freezing point of water decreases with the increase of the pressure, and the water can only be frozen at the lowest freezing point of −21.99° C. when the pressure is 209.9 MPa;
• by using the principle, the maximum formation zone of ice crystals in the normal temperature freezing can be avoided, and the problem that the tissues and cells of the fish and meat are damaged due to the long staying time at the maximum ice crystal zone during the traditional freezing and thawing at normal pressure is solved to a certain extent, so the quality, flavor and freshness of the stored high-water food such as meat, fish and seafood can be perfectly maintained;
• although the ultra-high-pressure chamber in the present disclosure cannot be arranged in the refrigerator at a proper low cost in accordance with the prior art and the existing materials, the providing of the ultra-high-pressure chamber in the refrigerator can be gradually achieved rapidly with the development of science and technology;
• (8) open-to-exhaust protection function:
• if the refrigerator door is opened during super-oxygen sterilization and disinfection or modified atmosphere storage, providing feedback immediately by the chamber door switch, and stopping the super oxygen or modified atmosphere procedure immediately through the operation of the positive and negative pressure intelligent regulation device 5;
• and meanwhile, opening the air suction pipelines and turning on the suction pump 2 to rapidly pump the super oxygen or high-nitrogen low-oxygen gas to the super oxygen decomposer 6.7 at the rear part of the refrigerator to be exhausted after being decomposed, wherein, as the air flows from the human side to the vacuum high pressure refrigerating chamber for supplementing air suction negative pressure, the user is not exposed to and is protected from the super oxygen and high-nitrogen low-oxygen gas;
• (9) air water production procedure:
• enabling moist waste gas extracted from the vacuum high-pressure chamber by the suction pump 2 to enter the super oxygen decomposer 6.7, and enabling the moist waste gas to enter the air water production device 11 after the super oxygen is decomposed, condensing water vapor and filtering the condensed water vapor into purified water conforming to drinking water standard, thus providing uninterrupted source of water for the humidifier 6.5;
• when the inflation pump 3 is idle, turning on the inflation pump 3 by the intelligent regulation device 5, and enabling the solenoid valves B3 and B2 to open the air water production inflation pipelines (air outlet d of inflation pump→A3→B3→A5→A9→B2→A2→air inlet h of air water production device), driving the indoor air to enter the air water production device 11 for water production;
• (10) remote and short-range control monitoring function:
• controlling and monitoring, by the touch screen and mobile phone monitoring system 12, the refrigerator and other positive and negative pressure electrical appliances and a positive and negative pressure modular cabinet in real time by the WIFI and mobile phone APP at remote and short-range, thus making the refrigerator and other all positive and negative pressure electrical appliances and modular cabinets to intelligently achieve various functions at high efficiency and low consumption according to the set procedures and instant instructions;
• shooting, by the high-definition anti-fog camera device 12.3, the statuses of objects in the refrigerator in real time;
• displaying and reminding, by a refrigerator door touch screen 12.1 or a mobile phone APP 12.2, commodity information such as production date, price, expiration date and manufacturers and the information of purchase shopping malls and online stores, automatically recording, analyzing and handling the big data such as the time, quantity, frequency and preference of storing the objects in, and taking the objects out, the refrigerator, and performing intelligent analysis;
• timely reminding on the mobile phone APP 12.2 or directly pushing the suggested goods to the mobile phone APP 12.2 or the refrigerator door touch screen 12.1 for easy selection of purchase by the user, wherein, in addition to real-time monitoring and recording, the high-definition anti-fog camera device 12.3 is especially required to automatically and continuously shoot several panoramic photos of the objects in the refrigerator with the closing movement of the refrigerator door 1.2 by starting from the position remote away from the refrigerator box in the process of closing the refrigerator door, or automatically record small videos at the same time for the users to view in the mobile phone APP, or view the panoramic photos or videos of the objects in the refrigerator with good light and wide field of vision before and during the last closing of the door in the refrigerator door touch screen at any time without opening the refrigerator door, releasing the vacuum and lowering the temperature during short range;
• and (11) positive and negative pressure module combined intelligent smart home mode:
• designing and manufacturing the intelligent positive and negative pressure refrigerator according to the module functions, wherein the intelligent positive and negative pressure refrigerator not only can be independently produced and used as a separated invention, or but also can be organically combined with other positive and negative pressure electrical appliances and the modular cabinets under the control of the touch screen and mobile phone APP monitoring system 12 to form a fully functional intelligent positive and negative pressure module combined home;
• the fully functional intelligent positive and negative pressure module combined home not only can share the positive and negative pressure system, the refrigeration system and the air water production device, but also has basically uniform, neat and harmonious appearance, shape and color which are in line with the popular trend;
• in conclusion, in accordance with the specific operation method for the intelligent positive and negative pressure refrigerator, multiple technologies such as vacuum, high pressure, super oxygen, modified atmosphere fresh-keeping, low-temperature storage, negative oxygen ions, air catalysts, humidification and air water production can be intelligently regulated and integrated, and can be alternately or circularly used in different combinations of single, double or multiple items;
• moreover, different types of vacuum high-pressure chambers can be arranged in one refrigerator, the fruits, vegetables, meat and fish stored in the refrigerator can be kept at a moisture and fresh quality flavor for a long time according to individualized policy and classified regulation, and meanwhile, the refrigerator is more energy efficient and low-consumption.

An intelligent positive and negative pressure washing machine, comprising a machine body 7, wherein the machine body 7 is internally provided with an intelligent positive and negative pressure system, a washing-dehydrating-drying system 15, and a touch screen and mobile phone monitoring system 12;

• the intelligent positive and negative pressure system comprises a positive and negative pressure chamber 1, a suction pump 2, an inflation pump 3, a positive and negative pressure intelligent regulation device 5, and positive and negative pressure airflow load generation processors;
• the positive and negative pressure chamber 1 is designed as a vacuum high pressure drum outer chamber 1-5 according to particular requirements for washing and drying;
• the vacuum high pressure drum outer chamber 1-5 comprises a chamber body 1.1, a chamber door 1.2, a mechanical airtight mechanism 1.3, and an internal and external communicating sealer 1.4;
• the chamber door 1.2 is a machine door of the positive and negative pressure washing machine;
• the mechanical airtight mechanism 1.3 is arranged between the chamber door 1.2 and the chamber body 1.1 of the vacuum high pressure drum outer chamber 1-5;
• the mechanical airtight mechanism 1.3 comprises a lock ring 1.31, a lock bolt 1.32, an airtight gasket 1.33, and a door rim sealing gasket 1.34;
• the lock ring 1.31 is in movable fit with the lock bolt 1.32, the lock bolt 1.32 extends into the lock ring 1.31 to lock the chamber door during the closing of the chamber door;
• when the positive and negative atmospheric pressure is formed inside the vacuum high pressure drum outer chamber 1-5, the airtight gasket 1.33 is used for keeping sealing;
• the internal and external communicating sealer 1.4 is fixedly arranged at the rear part of the vacuum high pressure drum outer chamber 1-5, and all pipes and circuits getting in and out the chamber are connected to and pass through the internal and external communicating sealer 1.4 so as to keep the sealing property of the vacuum high pressure drum outer chamber 1-5;
• the vacuum high pressure drum outer chamber 1-5 is internally provided with a drum mechanism 15.1, an anti-shower air suction port 2.1, a drum sealing bearing block 15.3, a pressure sensor C1 and a negative pressure sensor C2;
• the vacuum high pressure drum outer chamber 1-5 is externally provided with the suction pump 2, the inflation pump 3, the positive and negative pressure intelligent regulation device 5, a washing-dehydrating-drying control mechanism 15.2, a drum big belt pulley 15.4, a motor assembly 15.5, a drainage pump 16, a water intake pump 17, a super oxygen generation water mixer 6.6, a super oxygen decomposer 6.7, a touch screen and mobile phone APP monitoring system 12, and a detergent pull box 18;
• an air suction pipeline A1 is installed at an air inlet a of the suction pump 2, a solenoid valve B1 is installed at the middle part of the air suction pipeline A1, and the other end of the air suction pipeline A1 extends into the vacuum high pressure drum outer chamber 1-5 and then is connected with the anti-shower air suction port 2 to form an air suction and air return port c, and an air outlet b of the suction pump 2 is open to the atmosphere;
• an inflation pipeline A3 is installed at an air outlet d of the inflation pump 3, a solenoid valve B3 is installed at the middle part of the inflation pipeline A3, the other end of the inflation pipeline A3 extends into the vacuum high pressure drum outer chamber 1-5 and extends below the drum mechanism 15.1 to form an inflatable air inlet f, and an air inlet e of the inflation pump 3 is open to the atmosphere;
• a water inlet pipeline A14 is installed at a water inlet r of the water intake pump 17, a solenoid valve B14 is installed at the middle part of the water inlet pipeline A14, and the other end of the water inlet pipeline A14 communicates with a tap water source;
• a washing machine water inlet pipeline A15 is installed at a water outlet u of the water intake pump 17, a solenoid valve B15 is installed at the middle part of the water inlet pipeline A15, and the other end of the water inlet pipeline A15 communicates with a water inlet k of the super oxygen generation water mixer 6.6;
• a washing machine water inlet pipeline A16 is installed at a water outlet q of the super oxygen generation water mixer 6.6, a solenoid valve B16 is installed at the middle part of the water inlet pipeline A16, and the other end of the water inlet pipeline A16 communicates with a water inlet z of the detergent pull box 18;
• a washing machine water inlet pipeline A17 is installed at a water outlet 1 of the detergent pull box 18, a solenoid valve B17 is installed at the middle part of the water inlet pipeline A17, and the other end of the water inlet pipeline A17 extends into the vacuum high pressure drum outer chamber 1-5 to form a water inlet T thereof;
• a water inlet pipeline A18 is installed on the solenoid valve B14, and the solenoid valve B14 communicates with the solenoid valve B16 so as to directly feed water when super-oxygenated water is not needed and the tap water pressure reaches the standard;
• a water inlet pipeline A19 is further installed on the solenoid valve B15, and the solenoid valve B15 is connected to the water inlet pipeline Alb to communicate with the solenoid valve B16, such that the water is directly fed by the water intake pump 17 when the super-oxygenated water is not needed;
• a drainage pipeline A20 is installed at a water inlet w of the drainage pump 16, a solenoid valve B20 is installed at the middle part of the drainage pipeline A20, and the other end of the drainage pipeline A20 extends into the vacuum high pressure drum outer chamber 1-5 to form a drainage port L thereof;
• a drainage pipeline A21 is installed at a water outlet p of the drainage pump 16, a solenoid valve B21 is installed at the middle part of the drainage pipeline A21, and the other end of the drainage pipeline A21 communicates with a water inlet g of the super oxygen decomposer 6.7;
• a drainage pipeline A22 is installed at a water outlet m of the super oxygen decomposer 6.7, a solenoid valve B22 is installed at the middle part of the drainage pipeline A22, and the other end of the drainage pipeline A22 communicates with a sewer;
• a drainage pipeline A23 is further installed on the solenoid valve B20, and the solenoid valve B20 communicates with the solenoid valve B22, such that the water is directly drained when the super oxygen does not need to be decomposed and free drainage can be achieved;
• a drainage pipeline A24 is further installed on the solenoid valve B21, and the solenoid valve B21 is connected to the drainage pipeline A23 and then communicates with the solenoid valve B22, such that the water is directly drained by the drainage pump 16 when super oxygen does not need to be decomposed;
• the big belt pulley 15.4 is driven by the motor assembly 15.5, and the big belt pulley 15.4 drives the drum mechanism 15.1 connected thereto to operate;
• the suction pump 2, the inflation pump 3, the drainage pump 16, the water intake pump 17, the super oxygen generation water mixer 6.6, the super oxygen decomposer 6.7, the washing-dehydrating-drying control mechanism 15.2, the touch screen and mobile phone APP monitoring system 12, the pressure sensor C1, the negative pressure sensor C2 and the solenoid valves B1 to B22 are all connected to the positive and negative pressure intelligent regulation device 5;
• an operation method for the intelligent positive and negative pressure washing machine comprise the following steps:
• (1) water inlet procedure:
• placing clothing into the drum 15.1, closing the machine door, i.e., the vacuum high-pressure chamber door 1.2 to seal and lock the vacuum high pressure drum outer chamber 1-5 after the washing machine is turned on;
• sending an instruction by the positive and negative pressure intelligent regulation device 5 to enable the solenoid valves B14, B15, B16 and B17 to open the corresponding water inlet pipelines ({circle around (1)} direct tap water inlet line is:
• A14→B14→A18→B16→A16→water inlet z of detergent pull box→water outlet 1→A17→B17→A17→water inlet T of drum outer chamber;
• {circle around (2)} when super-oxygenated water is required for washing, a water inlet line for water intake pump is:
• A14→B14→A14→water inlet r of water intake pump→water outlet u→A15→B15→A15→water inlet k of super oxygen generation water mixer→water outlet q→A16→B16→A16→detergent pull box z→water outlet 1→A17→B17→A17→water inlet T of drum outer chamber;
• and {circle around (3)} when super-oxygenated water is not required for washing, water inlet line for water intake pump is:
• A14→B14→A14→water inlet r of water intake pump→water outlet u→A15→B15→A19→A18→B16→A16→water inlet z of detergent pull box→water outlet 1→A17→B17→A17→water inlet T of drum outer chamber), and turning on the water intake pump 17, directly feeding the tap water accordingly, or by the super oxygen generation water mixer 6.6, rapidly mixing the tap water with the super oxygen generated by the super oxygen generation water mixer 6.6 into super-oxygenated water with an appropriate concentration, and feeding the super-oxygenated water into the vacuum high pressure drum outer chamber 1-5 to accelerate the decomposition of organic fouling on the clothing, thus facilitating the rapid cleaning;
• after the water intake is started, enabling, by the positive and negative pressure intelligent regulation device 5, the solenoid valve B1 to open the air suction pipeline A1 (air inlet a of suction pump→A1→B1→A1→air suction and air return port c of drum outer chamber 1-5), and turning on the suction pump 2 to make the vacuum high pressure drum outer chamber 1-5 in a moderate negative pressure, thus accelerating the water intake and shortening the time for water intake;
• (2) vacuum washing procedure:
• after the water intake is finished, turning on, by the positive and negative pressure intelligent regulation device 5, the motor assembly 15.5 to drive the drum mechanism 15.1 to rotate for washing, and meanwhile, enabling the solenoid valve B1 to open the air suction pipeline A1 (air inlet a of suction pump→A1→B1→A1→air suction and air return port c of drum outer chamber 1-5), and turning on the suction pump 2 to pump the vacuum high pressure drum outer chamber 1-5 to a moderate vacuum, wherein both the clothing fibers and stains expand in the moderate vacuum and the air therein escapes, such that the adhesive force of the stains is weaken or the stains fall off, the cleaning efficiency is improved, and the washing time is shortened, and during the laundry process, the super-oxygenated water directly kills bacteria and viral microorganisms on clothing, the organic matters in the dust and fouling on the clothing are decomposed and then dissolved into the water, the dirt removability of the detergent is enhanced, the degree of cleaning is improved, the cleaning process is accelerated, and the function of sterilization and deodorization is achieved at the same time;
• (3) high-pressure washing procedure:
• after washing at vacuum for a proper time, closing the solenoid valve B1 and turning off the suction pump 2 by the positive and negative pressure intelligent regulation device 5, enabling the solenoid valve B3 to open the inflation pipeline A3 (air outlet d of inflation pump 3→A3→B3→A3→inflatable air inlet f of drum outer chamber 1-5), and turning on the inflation pump 3 to feed the high-pressure airflow into the vacuum high pressure drum outer chamber 1-5 through the inflation pipeline A3, and forming a strong bubble torrent at the lower part of the drum mechanism 15.1 to participate into washing, wherein the high pressure formed inside the vacuum high pressure drum outer chamber 1-5 is beneficial for the detergent to permeate into the clothing for cleaning;
• circulating the air suction and inflation repeatedly for the alternation of fiber expansion and torrent kneading, thus improving the degree of cleaning and the washing efficiency greatly, and accelerating the washing and rinsing processes;
• (4) drainage-dehydrating procedure:
• sending an instruction by the positive and negative pressure intelligent regulation device 5 when the drainage is required, enabling the solenoid valves B20, B21 and B22 to open the corresponding drainage pipelines ({circle around (1)} when both the drainage pump and the decomposition of super oxygen are not required, the direct drainage line is:
• drainage port L of drum outer chamber→A20→B20→A23→B22→A22→sewer;
• {circle around (2)} when both the drainage pump for drainage and the decomposition of super oxygen are required, the drainage line is:
• drainage port L of drum outer chamber→A20→B20→A20→water inlet w of drainage pump-water outlet p→A21→B21→A21→water inlet g of super oxygen decomposer→water outlet m→A22→B22→A22→sewer;
• and {circle around (3)} when the drainage pump is required for drainage and the decomposition of super oxygen is not required, the drainage line is:
• drainage port L of drum outer chamber→A20→B20→A20→water inlet w of drainage pump→water outlet p→A21→B21→A24→A23→B22→A22→sewer), turning on the drainage pump 16 for drainage, during drainage, turning on the inflation pump 3 to inflate and pressurize the vacuum high pressure drum outer chamber 1-5, thus accelerating the drainage speed;
• after the drainage is finished, sending an instruction by the positive and negative pressure intelligent regulation device 5 to start dehydration;
• during dehydration, inflating and pressurizing to force the water to rapidly separate from the clothing;
• turning on the suction pump 2 alternately to pump negative pressure to make the clothing fibers in the vacuum high pressure drum outer chamber 1-5 expand, wherein the water in the clothing escapes to the negative pressure space and is pumped out of the chamber, such that the clothing hardened on the inner wall of the drum during dehydrating and high pressure is loosened to prevent wrinkles, and by circulating the air suction and inflation repeatedly, squeezing out water and pumping the water out the chamber are carried out alternately, the efficiency of dehydrating the clothing is greatly improved, and time for drainage and dehydration is shortened;
• (5) vacuum high pressure drying procedure:
• when the drying procedure is started, turning on the inflation pump 3 according to the instruction sent by the positive and negative pressure intelligent regulation device 5, and opening the inflation pipeline to inflate and pressurize the vacuum high pressure drum outer chamber 1-5, thus facilitating hot air to enter the clothing fibers to gasify the water, and then turning on the suction pump 2 and opening the air suction pipeline for air suction according to the instruction, pumping out the water and making the clothing fibers expand with the negative pressure to facilitate the water emission and quick drying, such that, by circulating the air suction and inflation repeatedly, heating gasification and water pump-out are alternately carried out, the drying progress is greatly accelerated, the fluffy clothing improves the drying quality, and the drying time is effectively shortened;
• (6) vacuum self-cleaning sterile placement procedure:
• closing the machine door 1.2 after the laundry is finished, controlling, by the positive and negative pressure intelligent regulation device 5, the washing-dehydrating-drying control mechanism to start drying hot air to blow-dry the inside of the washing machine, especially the drum mechanism 15.1, and then turning on the suction pump 2 and open the air suction pipeline for air suction, pumping out the residual super oxygen in the vacuum high pressure drum outer chamber 1-5, and enabling the drum mechanism 15.1 and the equipment in the chamber to be in a moderate vacuum, such that the drum mechanism and the equipment in the chamber are sterile, dust-free and pollution-free for keeping clean, and are oxidation-free, rust-free and undamaged for vacancy, and the service life of the washing machine is prolonged;
• in conclusion, the positive and negative pressure washing machine greatly accelerates the multiple processes of washing, dehydrating and drying, shortens the operation duration of the multiple procedures, and improves the degree of cleaning of laundry and drying quality, moreover, the super oxygen also provides a thorough sterilization, disinfection and odor removal for the washed clothing;
• and meanwhile, the super oxygen concentration and the operation duration are intelligently controlled at the moderate region for sterilization, degradation and washing assistance, not reach, or as little as possible to reach, a critical point of possible oxidation fading of dark clothing;
• (7) positive and negative pressure module combined intelligent smart home mode:
• designing and manufacturing the intelligent positive and negative pressure washing machine according to the module functions, wherein the intelligent positive and negative pressure washing machine not only can be independently produced and used as a separated invention, but also can be organically combined with other positive and negative pressure electrical appliances and the modular cabinets under the control of the touch screen and mobile phone APP monitoring system 12 to form a fully functional intelligent positive and negative pressure module combined home, which not only can share the positive and negative pressure system, the refrigeration system and the air water production device, but also has basically uniform, neat and harmonious appearance, shape and color which are in line with the popular trend;
• in conclusion, in accordance with the intelligent positive and negative pressure system, the washing, dehydrating and drying of clothing are faster, more efficient and low-consumption, and the washed clothing is less in consumption, cleaner, fluffier, and more sanitary.

An intelligent vacuum dishwasher/fruit and vegetable cleaning machine, comprising a machine body 7, wherein the machine body 7 is internally provided with an intelligent positive and negative pressure system, a dish washing-drying system 19, a fruit and vegetable cleaning system 20, and a touch screen and mobile phone APP monitoring system 12;

• the intelligent positive and negative pressure system comprises a positive and negative pressure chamber 1, a suction pump 2, a positive and negative pressure intelligent regulation device 5, and positive and negative pressure airflow load generation processors;
• the positive and negative pressure chamber 1 is designed as a vacuum super oxygen chamber 1-6 according to particular requirements for intelligent dish washing and drying and fruit and vegetable cleaning;
• the vacuum super oxygen chamber 1-6 comprises a chamber body 1.1, a chamber door 1.2, a mechanical airtight mechanism 1.3, and an internal and external communicating sealer 1.4;
• the chamber door 1.2 is a machine door of the vacuum dishwasher/fruit and vegetable cleaning machine;
• the mechanical airtight mechanism 1.3 is arranged between the chamber door 1.2 and the chamber body 1.1 of the vacuum super oxygen chamber 1-6;
• the mechanical airtight mechanism 1.3 comprises a lock ring 1.31, a lock bolt 1.32, and an airtight gasket 1.33;
• the lock ring 1.31 is in movable fit with the lock bolt 1.32, the lock bolt 1.32 extends into the lock ring 1.31 to lock the chamber door during the closing of the chamber door;
• when the positive and negative atmospheric pressure is formed inside the vacuum super oxygen chamber 1-6, the airtight gasket 1.33 is used for keeping sealing;
• the internal and external communicating sealer 1.4 is fixedly arranged at the rear part of the vacuum super oxygen chamber 1-6, and all pipes and circuits getting in and out the chamber are connected to and pass through the internal and external communicating sealer 1.4 so as to keep the sealing property of the vacuum super oxygen chamber 1-6;
• the vacuum super oxygen chamber 1-6 is internally provided with a dish washing-drying system 19, a fruit and vegetable cleaning system 20, an anti-shower air suction port 2.1, a negative pressure sensor C2, a super oxygen sensor C3, and a temperature sensor C9;
• the vacuum super oxygen chamber 1-6 is externally provided with the suction pump 2, the positive and negative pressure intelligent regulation device 5, a drainage pump 16, a water intake pump 17, a super oxygen generation water mixer 6.6, a super oxygen decomposer 6.7, and the touch screen and mobile phone APP monitoring system 12;
• an air suction pipeline A1 is installed at an air inlet a of the suction pump 2, a solenoid valve B1 is installed at the middle part of the air suction pipeline A1, the other end of the air suction pipeline A1 extends into the vacuum super oxygen chamber 1-6 and then is connected with the anti-shower air suction port 2.1 so as to form an air suction and air return port c, and an air outlet b of the suction pump 2 is open to the atmosphere;
• a water inlet pipeline A14 is installed at a water inlet r of the water intake pump 17, a solenoid valve B14 is installed at the middle part of the water inlet pipeline A14, and the other end of the water inlet pipeline A14 communicates with a tap water source;
• a water inlet pipeline A15 is installed at a water outlet u of the water intake pump 17, a solenoid valve B15 is installed at the middle part of the water inlet pipeline A15, and the other end of the water inlet pipeline A15 communicates with a water inlet k of the super oxygen generation water mixer 6.6;
• a water inlet pipeline A16 is installed at a water outlet q of the super oxygen generation water mixer 6.6, a solenoid valve B16 is installed at the middle part of the water inlet pipeline A16, and the other end of the water inlet pipeline A16 extends into the vacuum super oxygen chamber 1-6 to be connected to the solenoid valve B25;
• the solenoid valve B25 is respectively connected to a fruit and vegetable cleaning water inlet pipeline A25 and a dish washing-drying water inlet pipeline A27, and the water inlet pipeline A25 is connected to a water inlet E of the fruit and vegetable cleaning system 20;
• a water inlet pipeline A27 is connected to a water inlet G of the dish washing-drying system 19;
• a water inlet pipeline A19 is further installed at the solenoid valve B15, and the solenoid valve B15 is connected to the solenoid valve B16, such that the water is directly fed by the water intake pump 17 when super-oxygenated water is not required;
• a drainage pipeline A20 is installed at a water inlet w of the drainage pump 16, a solenoid valve B20 is installed at the middle part of the drainage pipeline A20, and the other end of the drainage pipeline A20 extends into the vacuum super oxygen chamber 1-6 and is respectively connected to a fruit and vegetable cleaning drainage pipeline A26 and a dish washing-drying drainage pipeline A28, and the drainage pipeline A26 is connected to a water outlet F of the fruit and vegetable cleaning system 20;
• the drainage pipeline A28 is connected to a drainage port H of the dish washing-drying system 219;
• a drainage pipeline A21 is installed at a water outlet p of the drainage pump 16, a solenoid valve B21 is installed at the middle part of the drainage pipeline A21, and the other end of the drainage pipeline A21 communicates with a water inlet g of the super oxygen decomposer 6.7;
• a drainage pipeline A22 is installed at a water outlet m of the super oxygen decomposer 6.7, a solenoid valve B22 is installed at the middle part of the drainage pipeline A22, and the other end of the drainage pipeline A22 communicates with a sewer;
• a drainage pipeline A24 is further installed at the solenoid valve B21, and the solenoid valve B21 is connected to A23 and then communicates with the solenoid valve B22, such that the water is directly drained by the drainage pump when the super oxygen does not need to be decomposed;
• the suction pump 2, the drainage pump 16, the water intake pump 17, the super oxygen generation water mixer 6.6, the super oxygen decomposer 6.7, the dish washing-drying system 19, the fruit and vegetable cleaning system 20, the touch screen and mobile phone APP monitoring system 12, the negative pressure sensor C2, the super oxygen sensor C3, the temperature sensor C9 and the solenoid valves B1 to B25 are all connected to the positive and negative pressure intelligent regulation device 5;
• an operation method for the intelligent vacuum dishwasher/fruit and vegetable cleaning machine comprises the following steps:
• (1) dishwashing water inlet and cleaning procedure:
• sending an instruction by the positive and negative pressure intelligent regulation device 5 after the machine door is closed, enabling the solenoid valves B14, B15, B16 and B25 to open corresponding water inlet pipelines ({circle around (1)}, when the super-oxygenated water is required for dishwashing, a water inlet line for the water intake pump is:
• A14→B14→A14→water inlet r of water intake pump→water outlet u→A15→B15→A15→water inlet k of super oxygen generation water mixer→water outlet q→A16→B16→A16→B25→A27→water inlet G of dish washing-drying system;
• {circle around (2)} when the super-oxygenated water is not required for dishwashing, the water inlet line for the water intake pump is:
• A14→B14→A14→water inlet r of water intake pump→water outlet u→A15→B15→A19→B16→A16→B25→A27→water inlet G of dish washing-drying system), turning on the water intake pump 17, rapidly mixing, by the super oxygen generation water mixer 6.6, the tap water with the super oxygen generated by the super oxygen generation water mixer 6.6 into super-oxygenated water with an appropriate concentration, and feeding the super-oxygenated water into the vacuum super oxygen chamber 1-6 to accelerate the decomposition of organic fouling on the tableware, thus facilitating the rapid cleaning;
• after the water inlet is finished, turning on the dish washing-drying system 19 by the positive and negative pressure intelligent regulation device 5 to spray water for dishwashing, and enabling the solenoid valve B1 to open the air suction pipeline A1 (air inlet a of suction pump→A1→B1→A1→air suction and air return port c of vacuum super oxygen chamber), and turning on the suction pump 2 for vacuumizing, wherein, during the vacuumizing, the dirt stained on the tableware expands in the negative vacuum pressure to make air escape from the dirt, thus the adhesive force of the dirt is weakened, or the dirt fall off from the tableware, the cleaning efficiency is improved, and the washing process is shortened, moreover, the super-oxygenated water directly kills the bacteria and viral microorganism on the tableware, the organic matters in the dirt on the tableware are decomposed and then dissolved into the water, the dirt removability of the detergent is enhanced, the degree of cleaning is improved, the cleaning process is accelerated, and the function of sterilization and deodorization is achieved at the same time;
• (2) dishwashing drainage and drying disinfection procedure:
• when the drainage is required at a proper time of cleaning, sending an instruction by the positive and negative pressure intelligent regulation device 5, enabling the solenoid valves B20, B21 and B22 to open the corresponding drainage pipelines ({circle around (1)} when both the drainage pump and the decomposition of super oxygen are not required, the direct drainage line is:
• water outlet H of dish washing-drying system→A28→A20→B20→A23→B22→A22→sewer;
• {circle around (2)} when both the drainage pump for drainage and the decomposition of super oxygen are required, the drainage line is:
• water outlet H of dish washing drying system→A28→A20→B20→A20→water inlet w of drainage pump→water outlet p→A21→B21→A21→water inlet g of super oxygen decomposer→water outlet m→A22→B22→A22→sewer;
• and {circle around (3)} when the drainage pump is required for drainage and the super oxygen does not need to be decomposed, the drainage line is:
• water outlet H of dish washing and drying system→A28→A20→B20→A23→B22→A22→sewer), draining water directly or turning on the drainage pump 16, or turning on the super oxygen decomposer 6.7 to decompose waste water and then drain the decomposed waste water into the sewer;
• meanwhile, spraying the tableware with the clear water for cleaning completely;
• during the drying procedure, turning on, by the positive and negative pressure regulation device 5, the suction pump 2 again to rapidly pump out the water vapor so as to accelerate the drying progress, wherein the vacuum and super oxygen greatly accelerate the full dishwashing process, and the super oxygen also provide thorough sterilization, disinfection and odor removal for the washed tableware;
• (3) fruit and vegetable cleaning water inlet and cleaning procedure:
• sending an instruction by the positive and negative pressure intelligent regulation device 5 after the machine door is closed, enabling the solenoid valves B14, B15, B16 and B25 to open corresponding water inlet pipelines ({circle around (1)} when the super-oxygenated water is required for fruit and vegetable cleaning, a water inlet line for the water intake pump is:
• A14→B14→A14→water inlet r of water intake pump→water outlet u→A15→B15→A15→water inlet k of super oxygen generation water mixer→water outlet q→A16→B16→A16→B25→A25→water inlet E of fruit and vegetable cleaning system;
• {circle around (2)} when the super-oxygenated water is not required for fruit and vegetable cleaning, a water inlet line for the water intake pump is:
• A14→B14→A14→water inlet r of water intake pump→water outlet u→A15→B15→A19→B16→A16→B25→A25→water inlet E of fruit and vegetable cleaning system), and turning on the water intake pump 17, rapidly mixing, by the super oxygen generation water mixer 6.6, the tap water with the super oxygen generated by the super oxygen generation water mixer 6.6 into super-oxygenated water with an appropriate concentration, and feeding the super-oxygenated water into the vacuum super oxygen chamber 1-6 to accelerate the decomposition of organic fouling on the tableware, thus facilitating the rapid cleaning;
• after the water inlet is finished, turning on the fruit and vegetable cleaning system by the positive and negative pressure intelligent regulation device 5 to clean the fruit and vegetables by spraying, and enabling the solenoid valves B1 to open the air suction pipeline A1 (air inlet a of suction pump→A1→B1→A1→air suction and air return port c of vacuum super oxygen chamber), and meanwhile, turning on the suction pump 2 to start vacuumizing to the moderate negative pressure, wherein the dirt stained on the fruits and vegetables is able to expand in the negative pressure to make the air escape from the dirt, thus the adhesive force of the dirt is weakened, or the dirt fall off from the fruits and vegetables, the cleaning efficiency is improved, the washing process is shortened, moreover, the super-oxygenated water directly kills the bacteria and viral microorganism on the skin of the fruits and vegetables, the organic matters in dirt on skin of the fruits and vegetables are decomposed and then dissolved into the water, the degree of cleaning is improved, and the cleaning process is accelerated;
• and meanwhile, the negative pressure promotes the escape of pesticide and heavy metal residues in the tissues of the fruits and vegetables and the harmful gases such as the volatile metabolites ethylene acetaldehyde ethanol, thus a favorable environment is created for the super-oxygenated water to rapidly clean and deeply degrade the pesticide residues and decompose the harmful gases such as ethylene;
• and after cleaning with the super-oxygenated water for a proper time, sending an instruction by the positive and negative pressure intelligent regulation device 5 to clean the fruit and vegetables with the spraying of clear water;
• (4) drainage procedure after fruit and vegetable cleaning:
• when the drainage is required after cleaning for a proper time, sending an instruction by the positive and negative pressure intelligent regulation device 5, enabling the solenoid valves B20, B21 and B22 to open corresponding drainage pipelines ({circle around (1)} when both the drainage pump and the decomposition of super oxygen are not required, a direct drainage line is:
• water outlet F of fruit and vegetable cleaning system→A26→A20→B20→A23→B22→A22→sewer;
• {circle around (2)} when both the drainage pump for drainage and the decomposition of super oxygen are required, a drainage line is:
• water outlet F of fruit and vegetable cleaning system→A26→A20→B20→A20→water inlet w of drainage pump→water outlet p→A21→B21→A21→water outlet g of super oxygen decomposer→water outlet m→A22→B22→A22→sewer;
• (3) when the drainage pump is required for drainage and the super oxygen does not need to be decomposed, the drainage line is:
• water outlet F of fruit and vegetable cleaning system→A26→A20→B20→A23→B22→A22→sewer), directly draining water or turning on the drainage pump 16 or turning on the super oxygen decomposer 6.7 again to decompose waste water, and then draining the decomposed waste water into the sewer;
• (5) vacuum self-cleaning sterile placement sterile:
• closing the machine door 1.2 after use, starting drying hot air by the positive and negative pressure intelligent regulation device 5 to blow-dry the inside of the vacuum super oxygen chamber 1-6, especially the dish washing-drying system 19 and the fruit and vegetable cleaning system 20, and then turning on the suction pump 2 and open the air suction pipeline for air suction, pumping out the residual super oxygen in the vacuum super oxygen chamber 1-6, and enabling the dish washing-drying system 19, the fruit and vegetable cleaning system 20 and the equipment in the chamber to be in a moderate vacuum, such that the dish washing-drying system 19 and the fruit and vegetable cleaning system 20 and the equipment in the chamber are sterile, dust-free, pollution-free, and kept clean for health, and are oxidation-free, rust-free and undamaged for vacancy, and the service life of the washing machine is prolonged;
• (6) positive and negative pressure module combined intelligent smart home mode:
• designing and manufacturing the intelligent positive and negative pressure dishwasher/fruit and vegetable cleaning machine according to the module functions, wherein the intelligent positive and negative pressure dishwasher/fruit and vegetable cleaning machine not only can be independently produced and used as a separated invention, but also can be organically combined with other positive and negative pressure electrical appliances and the modular cabinets under the control of the touch screen and mobile phone APP monitoring system 12 to form a fully functional intelligent positive and negative pressure module combined home, which not only can share the water intake pump 17, the drainage pump 16, the super oxygen generation water mixer 6.6 and the super oxygen decomposer 6.7, but also has basically uniform, neat and harmonious appearance, shape and color which are in line with the popular trend, such that the dishwasher/fruit and vegetable cleaning machine is more efficient, low-consumption, and suitable for use.

An intelligent positive and negative pressure oven/air fryer/microwave oven, comprising a machine body 7, wherein the machine body 7 is internally provided with an intelligent positive and negative pressure system, a grilling system 30, an air fryer system 31, a microwave system 32, and a touch screen and mobile phone APP monitoring system 12;

• the intelligent positive and negative pressure system comprises a positive and negative pressure chamber 1, a suction pump 2, an inflation pump 3, and a positive and negative pressure intelligent regulation device 5;
• the positive and negative pressure chamber 1 is designed as a microwave vacuum high-pressure chamber 1-8 according to particular requirements of the oven/air fryer and microwave oven;
• the microwave vacuum high-pressure chamber 1-8 comprises a chamber body 1.1, a chamber door 1.2, a mechanical airtight mechanism 1.3, and an internal and external communicating sealer 1.4;
• the chamber door 1.2 is a machine door of the positive and negative pressure oven/air fryer/microwave oven;
• the mechanical airtight mechanism 1.3 is arranged between the chamber door 1.2 and the chamber body 1.1 of the microwave vacuum high-pressure chamber 1-8;
• the mechanical airtight mechanism 1.3 comprises a lock ring 1.31, a lock bolt 1.32, and an airtight gasket 1.33;
• the lock ring 1.31 is in movable fit with the lock bolt 1.32, the lock bolt 1.32 extends into the lock ring 1.31 to lock the chamber door during the closing of the chamber door, and when the positive and negative pressure is formed inside the microwave vacuum high-pressure chamber 1-8, the airtight gasket 1.33 is used for keeping sealing;
• the internal and external communicating sealer 1.4 is fixedly arranged at the rear part of the microwave vacuum high-pressure chamber 1-8, and all pipes and circuits getting in and out the chamber are connected to and pass through the internal and external communicating sealer 1.4 so as to keep the sealing property of the microwave vacuum high-pressure chamber 1-8;
• the microwave vacuum high-pressure chamber 1-8 is internally provided with the grilling system 30, the air fry system 31, the microwave system 32, a pressure sensor C1, and a negative pressure sensor C2;
• the microwave vacuum high-pressure chamber 1-8 is externally provided with the suction pump 2, the inflation pump 3, the positive and negative pressure intelligent regulation device 5, and the touch screen and mobile phone APP monitoring system 12;
• an air suction pipeline A1 is installed at an air inlet a of the suction pump 2, a solenoid valve B1 is installed at the middle part of the air suction pipeline A1, the other end of the air suction pipeline A1 extends into the microwave vacuum high-pressure chamber 1-8 to form an air suction and air return port c thereof;
• an air outlet pipeline A2 is installed at an air outlet b of the suction pump 2, and is open to the atmosphere;
• an inflation pipeline A3 is installed at an air outlet d of the inflation pump 3, a solenoid valve B3 is installed at the middle part of the inflation pipeline A3, and the other end of the inflation pipeline A3 extends into the microwave vacuum high-pressure chamber 1-8 to form an inflatable air inlet f;
• an air intake pipeline A4 is installed at an air inlet e of the inflation pump 3 and is open to the atmosphere;
• the suction pump 2, the inflation pump 3, the pressure sensor C1, the negative pressure sensor C2, the grilling system 3, the air fryer system 31, the microwave system 21 and the touch screen and mobile phone APP monitoring system 12 are all connected to the positive and negative pressure intelligent regulation device 5;
• an operation method for the intelligent positive and negative pressure oven/fryer/microwave oven comprises the following steps:
• (1) vacuum cooking procedure:
• opening the solenoid valve B1 and turning on the suction pump 2 by the positive and negative pressure intelligent regulation device 5, pumping the microwave vacuum high-pressure chamber 1-8 to a moderate vacuum by the air suction pipeline A1, and cooking the food in the vacuum to make the food have different flavors due to the expansion of the food materials, for example, turning on the air fryer system to back French fries, cakes and like more fluffy and palatable in appropriate vacuum;
• (2) high-pressure cooking procedure:
• opening the solenoid valve B3 and turning on the inflation pump 3 by the positive and negative pressure intelligent regulation device 5, enabling high-pressure airflow to enter the microwave vacuum high-pressure chamber 1-8 through the inflation pipeline A3, wherein the food cooked in high pressure is more tasty and has a distinct flavor as the seasonings are easy to permeate into the food materials, and the energy is saved as the food is easy to be cooked;
• (3) vacuum placement procedure:
• pumping the microwave vacuum high-pressure chamber 1-8 to the moderate vacuum when not in use, such that the oven/microwave system and circuit parts are in a vacuum state, are sterile, dust-free and pollution-free, and kept clean for health, and are oxidation-free, rust-free and non-loss for storage, and the service life of the electrical appliance is prolonged;
• (4) positive and negative pressure module combined intelligent smart home mode:
• designing and manufacturing the positive and negative pressure intelligent oven/air fryer/microwave oven according to the module functions, wherein the positive and negative pressure intelligent oven/air fryer/microwave oven not only can be independently produced and used as a separated invention, but also can be organically combined with other positive and negative pressure electrical appliances and the modular cabinets under the control of the touch screen and mobile phone APP monitoring system 12 to form a fully functional intelligent positive and negative pressure module combined home, and the fully functional intelligent positive and negative pressure module combined home not only can share the intelligent positive and negative pressure system, but also has basically uniform, neat and harmonious appearance, shape and color which are in line with the popular trend, such that the intelligent oven/air fryer/microwave oven is more efficient, low-consumption, and suitable for use.

An intelligent positive and negative pressure fresh-keeping compartment (container), comprising a compartment (container) body 7, wherein the compartment (container) body 7 is internally provided with an intelligent positive and negative pressure system, a refrigeration system 8, and a touch screen and mobile phone monitoring system 12;

• the intelligent positive and negative pressure system comprises a positive and negative pressure chamber 1, a suction pump 2, an inflation pump 3, a positive and negative pressure intelligent regulation device 5, and positive and negative pressure airflow load generation processors;
• the positive and negative pressure chamber 1 is designed as a compartment (container) type vacuum high-pressure chamber 1-9 according to particular requirements of the positive and negative pressure fresh-keeping compartment (container);
• the compartment (container) type vacuum high-pressure chamber 1-9 comprises a chamber body 1.1, a chamber door 1.2, a mechanical airtight mechanism 1.3, and an internal and external communicating sealer 1.4;
• the chamber door 1.2 is a compartment door of the positive and negative pressure fresh-keeping compartment;
• the mechanical airtight mechanism 1.3 is arranged between the chamber door 1.2 and the chamber body 1.1 of the compartment (container) type vacuum high-pressure chamber 1-9;
• the mechanical airtight mechanism 1.3 comprises a lock ring 1.31, a lock bolt 1.32, and an airtight gasket 1.33;
• the lock ring 1.31 is in movable fit with the lock bolt 1.32, the lock bolt 1.32 extends into the lock ring 1.31 to lock the chamber door during the closing of the chamber door;
• when the positive and negative pressure is formed inside the compartment (container) type vacuum high-pressure chamber 1-9, the airtight gasket 1.33 is used for keeping sealing;
• the internal and external communicating sealer 1.4 is fixedly arranged at the rear part of the compartment (container) type vacuum high-pressure chamber 1-9, and all pipes and circuits getting in and out the chamber are connected to and pass through the internal and external communicating sealer 1.4 so as to keep the sealing property of the compartment (container) type vacuum high-pressure chamber 1-9;
• the compartment (container) type vacuum high-pressure chamber 1-9 is externally provided with the suction pump 2, the inflation pump 3, the positive and negative pressure intelligent regulation device 5, a modified atmosphere device 6.1, a super oxygen decomposer 6.7, an air filter 6.8, the refrigeration system 8, an air water production device 11, a filtering water tank 11.1, and the touch screen and mobile phone monitoring system 12;
• an air suction pipeline A1 is installed at an air inlet a of the suction pump 2, a solenoid valve B1 is installed at the middle part of the air suction pipeline A1, and the other end of the air suction pipeline extends into the compartment (container) type vacuum high-pressure chamber 1-9 to form an air suction and air return port c thereof;
• an exhaust pipeline A2 is installed at an air outlet b of the suction pump 2, the super oxygen decomposer 6.7 and a solenoid valve B2 are installed at the middle part of the exhaust pipeline A2, the other end of the exhaust pipeline A2 communicates with an air inlet h of the air water production device 11, and passes through the air water production device 11 and then is open to the atmosphere through an air outlet n of the air water production device 11;
• an inflation pipeline A3 is installed at an air outlet d of the inflation pump 3, a solenoid valve B3 is installed at the middle part of the inflation pipeline A3, and the other end of the inflation pipeline A3 extends into the compartment (container) type vacuum high-pressure chamber 1-9 to form an inflatable air inlet f thereof;
• an air intake pipeline A4 is installed at an air inlet e of the inflation pump 3, a solenoid valve B4 and the air filter 6.8 are installed at the middle part of the air intake pipeline A4, and the other end of the air intake pipeline A4 is open to atmosphere;
• a circulating pipeline A5 is further connected to the solenoid valve B4, a solenoid valve B5 is installed at the middle part of the circulating pipeline A5, and the other end of the circulating pipeline A5 communicates with the solenoid valve B3, and extends into the compartment (container) type vacuum high-pressure chamber 1-9 through the inflation pipeline A3 to form a circulating air return port j of the compartment (container) type vacuum high-pressure chamber 1-9;
• an air water production inflation pipeline A9 is further connected to the inflation pipeline A3, the air water production inflation pipeline A9 is connected to the solenoid valve B2 and then communicates with an air inlet h of the air water production device 11 through the exhaust pipeline A2;
• a modified atmosphere air intake pipeline A6 is installed at an air inlet t of the modified atmosphere device 6.1, a solenoid valve B6 is installed at the middle part of the modified atmosphere air intake pipeline A6, the other end of the modified atmosphere air intake pipeline A6 is connected to the inflation pipeline A3, and then communicates with the air outlet d of the inflation pump 3;
• a modified atmosphere air outlet pipeline A7 is installed at an air outlet s of the modified atmosphere device 6.1, a solenoid valve B7 is installed at the middle part of the modified atmosphere air outlet pipeline A7, and the other end of the modified atmosphere air outlet pipeline A7 extends into the compartment (container) type vacuum high-pressure chamber 1-9 to form a modified atmosphere air inlet i;
• an air water production pipeline A10 is installed at a water outlet x of the air water production device 11, and the air water production pipeline A10 communicates with a water inlet y of the filtering water tank 11-1;
• condensate water generated in the compartment (container) type vacuum high-pressure chamber 1-9 flows into a water inlet Y of a condensate water collecting box 11.2 at the bottom in the chamber, a condensate water pipeline A11 is installed at a water outlet M of the condensate water collecting box 11.2, the condensate water pipeline A11 is provided with a solenoid valve B11 at the rear middle part after extending out the compartment (container) type vacuum high-pressure chamber 1-9, and the other end of the condensate water pipeline A11 communicates with a water inlet v of the filtering water tank 11.1;
• a humidifying water pipeline A12 is installed at a water outlet o of the filtering water tank 11.1, a solenoid valve B12 is installed at the middle part of the humidifying water pipeline A12, the other end of the humidifying water pipeline A12 extends into the compartment (container) type vacuum high-pressure chamber 1-9 to communicate with a water inlet R of the humidifier 6.5;
• a refrigeration circulating pipeline A13 is installed on the refrigeration system 8, the refrigeration circulating pipeline A13 extends into the compartment (container) type vacuum high-pressure chamber 1-9 to communicate with an evaporator air-cooling assembly 8.1;
• the touch screen and mobile phone monitoring system 12 comprises a touch screen 12.1, a mobile phone APP 12.2, and a wireless anti-fog camera device 12.4;
• the wireless anti-fog camera device 12.4 is installed at the position inside/outside the compartment (container) body 7 needing to be monitored;
• the compartment (container) type vacuum high-pressure chamber 1-9 is internally provided with positive and negative pressure airflow load generation processors and sensors, comprising:
• the humidifier 6.5, a super oxygen generator 6.2, a negative ion generator 6.3, an air catalyst controlled release device 6.4, a condensate water collecting box 11.2, a pressure sensor C1, a negative pressure sensor C2, a super oxygen sensor C3, a negative oxygen ion sensor C4, a chlorine dioxide sensor C5, a humidity sensor C6, an oxygen sensor C7, a nitrogen sensor C8, and a temperature sensor C9;
• all airflow load generation processors, sensors, solenoid valves and equipment devices arranged inside and outside the compartment (container) type vacuum high-pressure chamber 1-9 comprise the suction pump 2, the inflation pump 3, the modified atmosphere device 6.1, the super oxygen generator 6.2, the negative ion generator 6.3, the air catalyst controlled release device 6.4, the humidifier 6.5, the super oxygen decomposer 6.7, the refrigeration system 8, the air water production device 11, the filtering water tank 11.1, the touch screen and mobile phone monitoring system 12, the touch screen 12-J, the wireless anti-fog camera device 12-A, the pressure sensor C1, the negative pressure sensor C2, the super oxygen sensor C3, the negative oxygen ion sensor C4, the chlorine dioxide sensor C5, the humidity sensor C6, an oxygen sensor C7, the nitrogen sensor C8, the temperature sensor C9, a water level sensor C10 and the solenoid valves B1 to B12 are all connected to the positive and negative pressure intelligent regulation device 5;
• an operation method for the intelligent positive and negative pressure fresh-keeping compartment (container) comprises the following steps:
• (1) vacuum abatement heat-removal cleaning procedure:
• closing the chamber door 1.2 after fresh goods needing to be transported in fresh are loaded into the compartment (container) type vacuum high-pressure chamber 1-9;
• touching the chamber door switch 1.8 or manually turning on the chamber door switch by a driver, sending an instruction by the positive and negative pressure intelligent regulation device 5, and enabling the solenoid valves B1 and B2 to open the air suction pipelines A1 and A2 (air suction and air return port c of compartment type vacuum high-pressure chamber→A1→B1→A1→air inlet a of suction pump 5→pair outlet b→A2→air inlet g of super oxygen decomposer→air outlet m→A2→B2→A2→air inlet h of air water production device→pair outlet n→A2→exhaust to atmosphere), and turning on the suction pump 2 to pump the compartment (container) type vacuum high-pressure chamber 1-9 to a moderate vacuum (−0.01 KPa to −0.1 MPa), pumping away the self-contained heat of fruits, vegetables, meat and fish, part of bacteria and microorganisms and polluted air in the chamber, vacuumizing to make volatile metabolites ethylene acetaldehyde ethanol and other harmful gases in the fruit and vegetable tissues to escape and be pumped away, while inhibiting the reproduction of residual bacteria with the negative pressure to reduce the potential risks of disease aging of fruits and vegetables;
• (2) depressurized and humidified storage procedure:
• according to the pressure standard of the preset procedure and the real-time feedback of the negative pressure sensor C2, turning the suction pump 2 on or off by the positive and negative pressure intelligent regulation device 5 to a maintain an appropriate negative-pressure, low-oxygen and low-temperature environment within the compartment (container) type vacuum high-pressure chamber 1-9, thus reducing respiration intensity of fruits and vegetables, inhibiting the biosynthesis of ethylene, delaying decomposition of chlorophyll, inhibiting the synthesis of carotenoids and lycopene, and slowing down the processes such as hydrolysis of starch, increase of sugar and consumption of acid to delay mature senescence of the fruits and vegetables, and meanwhile, turning on the humidifier 6.5 to increase humidity in the chamber and prevent the water contained in the fruits and vegetables from escaping, thus maintaining the fresh state of the fruits and vegetables for a longer time;
• (3) super-oxygen pressurized sterilization and degradation procedure:
• according to the procedure setting and feedback of the sensors C3, C4 and C6, sending, by the positive and negative pressure intelligent regulation device 5, an instruction at a proper time to turn on the super oxygen generator 6.2, the negative oxygen ion generator 6.3 and the humidifier 6.5, thus enabling the super oxygen, humidity and negative oxygen ions in the compartment (container) type vacuum high-pressure chamber 1-9 to reach the required standards;
• meanwhile, enabling the solenoid valves B3 and B4 to open the inflation pipelines A3 and A4 (intake from atmosphere→A4→air filter→A4→B4→A4→air inlet e of inflation pump→pair outlet d→A3→B3→A3→inflatable air inlet f1 of vacuum high-pressure chamber), and turning on the inflation pump 3 to properly pressurize the compartment (container) type vacuum high-pressure chamber 1-9 to 0.01 KPa to 10 MPa, wherein the super oxygen at the appropriate positive pressure is able to perform sterilization, disinfection and mildew resistance on the fruits, vegetables, meat and fish in the compartment (container) type vacuum high-pressure chamber 1-9 and degrade pesticide residues and ethylene and other gases exhaled by the metabolism of the fruits and vegetables, thus affecting enzyme activity in the fruits and vegetables, preventing the fruits and vegetables from browning and softening, and delaying the aging of the fruits and vegetables;
• and the appropriate high pressure further prevents the water contained in the fruits, vegetables, meat and fish from escaping, moreover, the moisture at the positive pressure is easier to permeate into the fruits, vegetables, meat and fish to supplement the water loss thereof caused by refrigeration and negative pressure, while the negative oxygen ions make the water cluster of moisture smaller so as to be absorbed by the fruits, vegetables, meat and fish easier and have the functions of inhibiting biological tissue metabolism, reducing respiration intensity, slowing down enzyme activity, and sterilizing and purifying to a certain extent the super oxygen at the positive pressure is able to permeate into the deeper interior of the fruits, vegetables, meat and fish to play a better role in sterilization and disinfection;
• (4) modified atmosphere pressurized storage procedure:
• opening the air suction pipeline and turning on the suction pump 2 and the super oxygen decomposer 6.7 at a proper time by the positive and negative pressure intelligent regulation device 5 according to the procedure setting or the feedback of the sensors, pumping the decomposed, sterilized, disinfected and degraded polluted air out of the chamber, and then enabling the solenoid valves B3, B6, B7 and B2 to open the modified atmosphere inflation pipelines A3, A9, A6 and A7 (air outlet d of inflation pump→A3→A9→A6→B6→A6→air inlet t of modified atmosphere device→pair outlet s→A7→B7→A7→modified atmosphere air inlet i of vacuum high-pressure chamber), and turning on the inflation pump 3 to drive the airflow to pass through a hollow fiber membrane of the modified atmosphere device 6.1 to separate the oxygen out, and enabling high-nitrogen low-oxygen gas to enter the vacuum high-pressure chamber 1-9;
• meanwhile, enabling the solenoid valves B3, B5 and B4 to open the modified atmosphere circulating pipelines (circulating air return port j of vacuum high-pressure chamber 1-9→A3→B3→A5→B5→A5→B4→A4→air inlet e of inflation pump→pair outlet d of inflation pump);
• turning on the humidifier 6.5 until the modified atmosphere gas concentration, air humidify and positive atmospheric pressure in the chamber all reach the modified atmosphere pressurized storage standards;
• forming a nitrogen-rich and oxygen-poor environment with an appropriate proportion in the compartment (container) type vacuum high-pressure chamber 1-9 and keeping at the appropriate positive pressure and appropriate humidity to effectively control the respiration rate of the stored fruits and vegetables, thus preventing anaerobic respiration and carbon dioxide poisoning, slowing down the aging process, preventing the quality decrease and flavor loss of the stored fruits and vegetables, and maintaining the moisture and supplementing the water of the fruits and vegetables with the positive pressure so as to maintain the freshness of the fruits and vegetables to the maximum extent;
• (5) open-to-exhaust protection function:
• if the compartment door is opened during super-oxygen sterilization and disinfection or modified atmosphere storage, providing feedback immediately by the chamber door switch, and stopping the super oxygen or modified atmosphere procedure immediately through the operation of the positive and negative pressure intelligent regulation device 5;
• and meanwhile, opening the air suction pipelines and turning on the suction pump 2 to rapidly pump the super oxygen or high-nitrogen low-oxygen gas to the super oxygen decomposer 6.7 to be exhausted after being decomposed, wherein, as the air flows from the human side to the compartment (container) type vacuum high-pressure chamber 1-9 for supplementing air suction negative pressure, the user is not exposed to and is protected from the super oxygen and high-nitrogen low-oxygen gas;
• (6) air water production procedure:
• enabling moist waste gas extracted from the compartment (container) type vacuum high-pressure chamber 1-9 by the suction pump 2 to enter the super oxygen decomposer 6.7, and enabling the moist waste gas to enter the air water production device 11 after the super oxygen is decomposed, condensing water vapor and filtering the condensed water vapor into purified water conforming to drinking water standard, thus providing uninterrupted source of water for the humidifier 6.5;
• when the inflation pump 3 is idle, turning on the inflation pump 3 by the intelligent regulation device 5, and enabling the solenoid valves B3 and B2 to open the air water production inflation pipelines (air outlet d of inflation pump→A3→A9→B2→A2→air inlet h of air water production device→pair outlet n→A2-exhaust to atmosphere), driving the air outside the compartment to enter the air water production device 11 for water production;
• (7) low-temperature assisted fresh-keeping procedure:
• after the fresh-keeping compartment (container) is turned on, turning on the refrigeration system 8 instantly by the positive and negative pressure intelligent regulation device 5, communicating the refrigeration system 8 with an evaporator air-cooling assembly 8.1 by the refrigeration pipeline A13, thus providing corresponding low temperature for the compartment (container) type vacuum high-pressure chamber 1-9 according to the feedback and control of the temperature sensing controller C9, and assisting the positive and negative pressure system to preserve the freshness of the stored objects;
• and (8) remote and short-range control monitoring function:
• controlling and monitoring, by the touch screen and mobile phone monitoring system 12, the real-time state of the positive and negative pressure fresh-keeping compartment (container) in real time through the touch screen 12.1 and mobile phone APP 12.2, thus making the fresh-keeping compartment (container) intelligently achieve various functions at high efficiency and low consumption according to the set procedures and instant instructions;
• displaying and reminding, by the touch screen 12.1 or the mobile phone APP 12.2, information such as temperature, humidity and gas concentration in the compartment, loading time and the expiration date of the stored objects, thus facilitating the user to remotely monitor and control the compartment in the driving cab or out of the compartment conveniently;
• and automatically controlling above procedures by the positive and negative pressure system, and setting the above procedures as shortcut key modes on the touch screen and mobile phone monitoring system 12 for remote and short-range control.

An intelligent positive and negative pressure fresh-keeping warehouse, comprising a warehouse body 7, wherein the warehouse body 7 is internally provided with an intelligent positive and negative pressure system, a refrigeration system 8, and a touch screen and mobile phone monitoring system 12;

• the intelligent positive and negative pressure system comprises a positive and negative pressure chamber 1, a suction pump 2, an inflation pump 3, a positive and negative pressure intelligent regulation device 5, and positive and negative pressure airflow load generation processors;
• the positive and negative pressure chamber 1 is designed as a warehouse type vacuum high-pressure chamber 1-10 according to particular requirements of the positive and negative pressure fresh-keeping warehouse;
• the warehouse type vacuum high-pressure chamber 1-10 comprises a chamber body 1.1, a chamber door 1.2, a mechanical airtight mechanism 1.3, and an internal and external communicating sealer 1.4;
• the chamber door 1.2 is a warehouse door of the positive and negative pressure fresh-keeping warehouse;
• the mechanical airtight mechanism 1.3 is arranged between the chamber door 1.2 and the chamber body 1.1 of the warehouse type vacuum high-pressure chamber 1-10;
• the mechanical airtight mechanism 1.3 comprises a lock ring 1.31, a lock bolt 1.32, and an airtight gasket 1.33;
• the lock ring 1.31 is in movable fit with the lock bolt 1.32, the lock bolt 1.32 extends into the lock ring 1.31 to lock the chamber door during the closing of the chamber door;
• when the positive and negative pressure is formed inside the warehouse type vacuum high-pressure chamber 1-10, the airtight gasket 1.33 is used for keeping sealing;
• the internal and external communicating sealer 1.4 is fixedly arranged at the rear part of the warehouse type vacuum high-pressure chamber 1-10, and all pipes and circuits getting in and out the chamber are connected to and pass through the internal and external communicating sealer 1.4 so as to keep the sealing property of the compartment warehouse type vacuum high-pressure chamber 1-10;
• the warehouse type vacuum high-pressure chamber 1-10 is externally provided with the suction pump 2, the inflation pump 3, the positive and negative pressure intelligent regulation device 5, a modified atmosphere device 6.1, a super oxygen decomposer 6.7, an air filter 6.8, a refrigeration system 8, an air water production device 11, a filtering water tank 11.1, and the touch screen and mobile phone monitoring system 12;
• an air suction pipeline A1 is installed at an air inlet a of the suction pump 2, a solenoid valve B1 is installed at the middle part of the air suction pipeline A1, and the other end of the air suction pipeline extends into the warehouse type vacuum high-pressure chamber 1-10 to form an air suction and air return port c thereof;
• an exhaust pipeline A2 is installed at an air outlet b of the suction pump 2, the super oxygen decomposer 6.7 and a solenoid valve B2 are installed at the middle part of the exhaust pipeline A2, the other end of the exhaust pipeline A2 communicates with an air inlet h of the air water production device 11, and passes through the air water production device 11 and then is open to atmosphere from an air outlet n of the air water production device 11;
• an inflation pipeline A3 is installed at an air outlet d of the inflation pump 3, a solenoid valve B3 is installed at the middle part of the inflation pipeline A3, and the other end of the inflation pipeline A3 extends into the warehouse type vacuum high-pressure chamber 1-10 to form an inflatable air inlet f thereof;
• an air intake pipeline A4 is installed at an air inlet e of the inflation pump 3, a solenoid valve B4 and the air filter 6.8 are installed at the middle part of the air intake pipeline A4, and the other end of the air intake pipeline A4 is open to the atmosphere;
• a circulating pipeline A5 is further connected to the solenoid valve B4, a solenoid valve B5 is installed at the middle part of the circulating pipeline A5, and the other end of the circulating pipeline A5 communicates with the solenoid valve B3, and extends into the warehouse type vacuum high-pressure chamber 1-10 through the inflation pipeline A3 to form a circulating air return port j thereof;
• an air water production inflation pipeline A9 is further connected to the inflation pipeline A3, the air water production inflation pipeline A9 is connected to the solenoid valve B2 and then communicates with an air inlet h of the air water production device 11 through the exhaust pipeline A2;
• a modified atmosphere air intake pipeline A6 is installed at an air inlet t of the modified atmosphere device 6.1, a solenoid valve B6 is installed at the middle part of the modified atmosphere air intake pipeline A6, the other end of the modified atmosphere air intake pipeline A6 is connected to the inflation pipeline A3, and then communicates with the air outlet d of the inflation pump 3;
• a modified atmosphere air outlet pipeline A7 is installed at an air outlet s of the modified atmosphere device 6.1, a solenoid valve B7 is installed at the middle part of the modified atmosphere air outlet pipeline A7, and the other end of the modified atmosphere air outlet pipeline A7 extends into the warehouse type vacuum high-pressure chamber 1-10 to form a modified atmosphere air outlet I thereof;
• an air water production pipeline A10 is installed at a water outlet x of the air water production device 11, and the air water production pipeline A10 communicates with a water inlet y of the filtering water tank 11-3;
• condensate water generated in the warehouse type vacuum high-pressure chamber 1-10 flows into a water inlet Y of a condensate water collecting box 11.2 at the bottom in the chamber, a condensate water pipeline A11 is installed at a water outlet M of the condensate water collecting box 11.2, the condensate water pipeline A11 is provided with a solenoid valve B11 at the rear middle part after extending out the warehouse type vacuum high-pressure chamber 1-10, and the other end of the condensate water pipeline A11 communicates with a water inlet v of the filtering water tank 11.1;
• a humidifying water pipeline A12 is installed at a water outlet o of the filtering water tank 11.1, a solenoid valve B12 is installed at the middle part of the humidifying water pipeline A12, the other end of the humidifying water pipeline A12 extends into the warehouse type vacuum high-pressure chamber 1-10 to communicate with a water inlet R of the humidifier 6.5;
• a refrigeration circulating pipeline A13 is installed on the refrigeration system 8, the refrigeration circulating pipeline A13 extends into the warehouse type vacuum high-pressure chamber 1-10 to communicate with an evaporator air-cooling assembly 8.1;
• the touch screen and mobile phone monitoring system 12 comprises a touch screen 12.1, a mobile phone APP 12.2, and an anti-fog camera device 12.3;
• the anti-fog camera device 12.3 is installed at the position inside/outside the warehouse body 7 needing to be monitored;
• the warehouse type vacuum high-pressure chamber 1-10 is internally provided with positive and negative pressure airflow load generation processors and sensors, comprising:
• the humidifier 6.5, a super oxygen generator 6.2, a negative ion generator 6.3, an air catalyst controlled release device 6.4, the condensate water collecting box 11.2, a pressure sensor C1, a negative pressure sensor C2, a super oxygen sensor C3, a negative oxygen ion sensor C4, a chlorine dioxide sensor C5, a humidity sensor C6, an oxygen sensor C7, a nitrogen sensor C8, and a temperature sensor C9;
• all airflow load generation processors, sensors, solenoid valves and equipment devices arranged inside and outside the warehouse type vacuum high-pressure chamber 1-10 comprise the suction pump 2, the inflation pump 3, the modified atmosphere device 6.1, the super oxygen generator 6.2, the negative ion generator 6.3, the air catalyst controlled release device 6.4, the humidifier 6.5, the super oxygen decomposer 6.7, the refrigeration system 8, the air water production device 11, the filtering water tank 11.1, the touch screen and mobile phone monitoring system 12, the touch screen 12.1, the anti-fog camera device 12.3, the pressure sensor C1, the negative pressure sensor C2, the super oxygen sensor C3, the negative oxygen ion sensor C4, the chlorine dioxide sensor C5, the humidity sensor C6, the oxygen sensor C7, the nitrogen sensor C8, the temperature sensor C9, a water level sensor C10 and the solenoid valves B1 to B12 are all connected to the positive and negative pressure intelligent regulation device 5;
• an operation method for the intelligent positive and negative pressure fresh-keeping warehouse comprises the following steps:
• closing the chamber door 1.2 after fresh goods needing to be transported in fresh are loaded into the warehouse type vacuum high-pressure chamber 1-10;
• touching the chamber door switch 1.8 or manually turning on the chamber door switch by a warehouse keeper, sending an instruction by the positive and negative pressure intelligent regulation device 5, and enabling the solenoid valves B1 and B2 to open the air suction pipelines A1 and A2 fair suction and air return port c of vacuum high-pressure chamber→A1→B1→A1→air inlet a of suction pump 2→pair outlet b→A2→air inlet g of super oxygen decomposer→air outlet m→A2→B2→A2→air inlet h of air water production device→pair outlet n→A2→exhaust to atmosphere), and turning on the suction pump 2 to pump the warehouse type vacuum high-pressure chamber 1-10 to a moderate vacuum (−0.01 KPa to −0.1 MPa), pumping away the self-contained heat of fruits, vegetables, meat and fish, part of bacteria and microorganisms and polluted air in the chamber, vacuumizing to make volatile metabolites ethylene acetaldehyde ethanol and other harmful gases in the fruit and vegetable tissues to escape and be pumped away, while inhibiting the reproduction of residual bacteria with the negative pressure to reduce the potential risks of disease aging of fruits and vegetables;
• (2) depressurized and humidified storage procedure:
• according to the pressure standard of the preset procedure and the real-time feedback of the negative pressure sensor C2, turning the suction pump 2 on or off by the positive and negative pressure intelligent regulation device 5 to a maintain an appropriate negative-pressure, low-oxygen and low-temperature environment within the warehouse type vacuum high-pressure chamber 1-10, thus reducing respiration intensity of fruits and vegetables, inhibiting the biosynthesis of ethylene, delaying decomposition of chlorophyll, inhibiting the synthesis of carotenoids and lycopene, and slowing down the processes such as hydrolysis of starch, increase of sugar and consumption of acid to delay mature senescence of the fruits and vegetables, and meanwhile, turning on the humidifier 6.5 to increase humidity in the chamber and prevent the water contained in the fruits and vegetables from escaping, thus maintaining the fresh state of the fruits and vegetables for a longer time;
• (3) super-oxygen pressurized sterilization and degradation procedure:
• according to the procedure setting and feedback of the sensors C3, C4 and C6, sending, by the positive and negative pressure intelligent regulation device 5, an instruction at a proper time to turn on the super oxygen generator 6.2, the negative oxygen ion generator 6.3 and the humidifier 6.5, thus enabling the super oxygen, humidity and negative oxygen ions in the warehouse type vacuum high-pressure chamber 1-10 to reach the required standards;
• meanwhile, enabling the solenoid valves B3 and B4 to open the inflation pipelines A3 and A4 (intake from atmosphere→A4→air filter→A4→B4→A4→air inlet e of inflation pump→pair outlet d→A3→B3→A3→inflatable air inlet f1 of vacuum high-pressure chamber), and turning on the inflation pump 3 to properly pressurize the vacuum high-pressure chamber 1-10 to 0.01 KPa to 10 MPa, wherein the super oxygen at the appropriate positive pressure is able to perform sterilization, disinfection and mildew resistance on the fruits, vegetables, meat and fish in the warehouse type vacuum high-pressure chamber 1-9 and degrade pesticide residues and ethylene and other gases exhaled by the metabolism of the fruits and vegetables, thus affecting enzyme activity in the fruits and vegetables, preventing the fruits and vegetables from browning and softening, and delaying the aging of the fruits and vegetables;
• and the appropriate high pressure further prevents the water contained in the fruits, vegetables, meat and fish from escaping, moreover, the moisture at the positive pressure is easier to permeate into the fruits, vegetables, meat and fish to supplement the water loss thereof caused by refrigeration and negative pressure, while the negative oxygen ions make the water cluster of moisture smaller so as to be absorbed by the fruits, vegetables, meat and fish easier and have the functions of inhibiting biological tissue metabolism, reducing respiration intensity, slowing down enzyme activity, and sterilizing and purifying to a certain extent the super oxygen at the positive pressure is able to permeate into the deeper interior of the fruits, vegetables, meat and fish to play a better role in sterilization and disinfection;
• (4) modified atmosphere pressurized storage procedure:
• opening the air suction pipeline and turning on the suction pump 2 and the super oxygen decomposer 6.7 at a proper time by the positive and negative pressure intelligent regulation device 5 according to the procedure setting or the feedback of the sensors, pumping the decomposed, sterilized, disinfected and degraded polluted air out of the chamber, and then enabling the solenoid valves B3, B6, B7 and B2 to open the modified atmosphere inflation pipelines A3, A9, A6 and A7 (air outlet d of inflation pump→A3→A9→A6→B6→A6→air inlet t of modified atmosphere device→pair outlet s→A7→B7→A7→modified atmosphere air inlet i of vacuum high-pressure chamber), and turning on the inflation pump 3 to drive the airflow to pass through a hollow fiber membrane of the modified atmosphere device 6.1 to separate the oxygen out, and enabling high-nitrogen low-oxygen gas to enter the vacuum high-pressure chamber 1-10;
• meanwhile, enabling the solenoid valves B3, B5 and B4 to open the modified atmosphere circulating pipelines (circulating air return port j of vacuum high-pressure chamber→A3→B3→A5→B5→A5→B4→A4→air inlet e of inflation pump→pair outlet d of inflation pump);
• turning on the humidifier 6.5 until the modified atmosphere gas concentration, air humidify and positive atmospheric pressure in the chamber all reach the modified atmosphere pressurized storage standards;
• forming a nitrogen-rich and oxygen-poor environment with an appropriate proportion in the warehouse type vacuum high-pressure chamber 1-10 and keeping at the appropriate positive pressure and appropriate humidity to effectively control the respiration rate of the stored fruits and vegetables, thus preventing anaerobic respiration and carbon dioxide poisoning, slowing down the aging process, preventing the quality decrease and flavor loss of the stored fruits and vegetables, and maintaining the moisture and supplementing the water of the fruits and vegetables with the positive pressure so as to maintain the freshness of the fruits and vegetables to the maximum extent;
• (5) open-to-exhaust protection function:
• if the warehouse door is opened during super-oxygen sterilization and disinfection or modified atmosphere storage, providing feedback immediately by the chamber door switch, and stopping the super oxygen or modified atmosphere procedure immediately through the operation of the positive and negative pressure intelligent regulation device 5;
• and meanwhile, opening the air suction pipelines and turning on the suction pump 2 to rapidly pump the super oxygen or high-nitrogen low-oxygen gas to the super oxygen decomposer 6.7 to be exhausted after being decomposed, wherein, as the air flows from the human side to the warehouse type vacuum high-pressure chamber 1-10 for supplementing air suction negative pressure, the user is not exposed to and is protected from the super oxygen and high-nitrogen low-oxygen gas;
• (6) air water production procedure:
• enabling moist waste gas extracted from the warehouse type vacuum high-pressure chamber 1-10 by the suction pump 2 to enter the super oxygen decomposer 6.7, and enabling the moist waste gas to enter the air water production device 11 after the super oxygen is decomposed, condensing water vapor and filtering the condensed water vapor into purified water conforming to drinking water standard, thus providing uninterrupted source of water for the humidifier 6.5;
• when the inflation pump 3 is idle, turning on the inflation pump 3 by the intelligent regulation device 5, and enabling the solenoid valves B3 and B2 to open the air water production inflation pipelines (air outlet d of inflation pump→A3→A9→B2→A2→air inlet h of air water production device→pair outlet n→A2-exhaust to atmosphere), driving the air outside the warehouse to enter the air water production device 11 for water production;
• (7) low-temperature assisted fresh-keeping procedure:
• after the fresh-keeping warehouse is turned on, turning on the refrigeration system 8 instantly by the positive and negative pressure intelligent regulation device 5, communicating the refrigeration system 8 with an evaporator air-cooling assembly 8.1 by the refrigeration pipeline A13, thus providing corresponding low temperature for the warehouse type vacuum high-pressure chamber 1-10 according to the feedback and control of the temperature sensing controller C9, and assisting the positive and negative pressure system to preserve the freshness of the stored objects;
• and (8) remote and short-range control monitoring function:
• controlling and monitoring, by the touch screen and mobile phone monitoring system 12, the real-time state of the positive and negative pressure fresh-keeping warehouse in real time through the touch screen and mobile phone monitoring system 12.2, thus making the fresh-keeping warehouse intelligently achieve various functions at high efficiency and low consumption according to the set procedures and instant instructions;
• displaying and reminding, by the touch screen 12.1 or the mobile phone APP 12.2, information such as temperature, humidity and gas concentration in the warehouse, loading time and the expiration date of the stored objects, thus facilitating the user to monitor and control the warehouse remotely and in short range;
• and automatically controlling above procedures by the positive and negative pressure system, and setting the above procedures as shortcut key modes on the touch screen and mobile phone monitoring system 12 for remote and short-range control.

An intelligent positive and negative pressure modular cabinet, comprising a cabinet body 7, wherein the cabinet body 7 is internally provided with an intelligent positive and negative pressure system, a refrigerating and heating system 8.3, and a touch screen and mobile phone monitoring system 12;

• the intelligent positive and negative pressure comprises a positive and negative pressure chamber 1, a suction pump 2, an inflation pump 3, a positive and negative pressure intelligent regulation device 5, and positive and negative pressure airflow load generation processors;
• the positive and negative pressure chamber 1 is designed as a modular vacuum high-pressure chamber 1-11 according to particular requirements of the intelligent positive and negative pressure modular cabinet;
• the modular vacuum high-pressure chamber 1-11 comprises a chamber body 1.1, a chamber door 1.2, a pneumatic airtight mechanism 1.5, an internal and external communicating sealer 1.4, and a pneumatic chamber door switch 1.8;
• the chamber door 1.2 is a cabinet door of the positive and negative pressure modular cabinet;
• the pneumatic airtight mechanism 1.5 is arranged between the chamber door 1.2 and the chamber body 1.1 of the modular vacuum high-pressure chamber 1-11;
• the pneumatic airtight mechanism 1.5 comprises pneumatic sealing lock bolts 1.51 and sealing lock bolt telescopic airbags 1.52 which are integrally manufactured at the rear parts of the sealing lock bolts 1.51, the number of the sealing lock bolts 1.51 and the sealing lock bolt telescopic airbags 1.52 which are of an integrated structure is four, and the integrated structures are all in the shape of long strips and respectively installed in four chamber airtight grooves 1.11 arranged in four borders of the door frame of the chamber body 1.1, the outer layer of the section of the lock bolt is sealing rubber, and the inside of the lock bolt is a bend-resistant metal core;
• the sealing lock bolt foldable telescopic airbag 1.52 is a foldable rubber airbag which can be inflated to elongate;
• an inflation socket 1.53 is arranged at the rear part of each airbag, and an inflation plug 1.54 is plugged into the inflation socket 1.53;
• four inflation plugs 1.54 are respectively installed at respective midpoints of four side pipelines connected to the four edges of a square annular airtight mechanism inflatable branch pipeline A8.1;
• the pipeline at the top side of the square annular airtight mechanism inflatable branch pipeline A8.1 is perpendicularly connected to an inflation pipeline A8 and communicates with an air outlet d of the inflation pump 3 by a solenoid valve B5 and the pipeline A3 as well as a solenoid valve B3;
• when closed, the chamber door 1.2 makes contact with the pneumatic chamber door switch 1.8, and the inflation pump 3 is immediately started to inflate and elongate the sealing lock bolt foldable telescopic airbag 1.52 and push the sealing lock bolt 1.51 to extend outwards from the chamber airtight groove 1.11 and extend into the chamber door airtight groove 1.21 arranged at the opposite position, thereby locking and sealing the chamber door;
• when a user opens the chamber door, the sealing lock bolt foldable telescopic airbag 1.52 is deflated by the pneumatic chamber door switch 1.8, such that the sealing lock bolt 1.51 retracts to open the chamber door;
• the internal and external communicating sealer 1.4 is fixedly arranged at the rear part of the modular vacuum high-pressure chamber 1-11, all pipelines and circuits getting in and out the chamber are connected to and pass through the internal and external communicating sealer 1.4 so as to keep the sealing property of modular vacuum high-pressure chamber 1-11;
• the modular vacuum high-pressure chamber 1-11 is externally provided with the suction pump 2, the inflation pump 3, the positive and negative pressure intelligent regulation device 5, a modified atmosphere device 6.1, a super oxygen decomposer 6.7, an air filter 6.8, the refrigerating and heating system 8.3, an air water production device 11, a filtering water tank 11.1, the pneumatic chamber door switch 1.8, and the touch screen and mobile phone monitoring system 12;
• an air suction pipeline A1 is installed at an air inlet a of the suction pump 2, a solenoid valve B1 is installed at the middle part of the air suction pipeline A1, and the other end of the air suction pipeline A1 extends into the modular vacuum high-pressure chamber 1-11 to form an air suction and air return port c thereof;
• an exhaust pipeline A2 is installed at an air outlet b of the suction pump 2, the super oxygen decomposer 6.7 and a solenoid valve B2 are installed at the middle part of the exhaust pipeline A2, the other end of the exhaust pipeline A2 communicates with an air inlet h of the air water production device 11, and passes through the air water production device 11 and then is open to the atmosphere through the air outlet n of the air water production device 11;
• an inflation pipeline A3 is installed at an air outlet d of the inflation pump 3, a solenoid valve B3 is installed at the middle part of the inflation pipeline A3, and the other end of the inflation pipeline A3 extends into the modular vacuum high-pressure chamber 1-11 to form an inflatable air inlet f;
• an air intake pipeline A4 is installed at an air inlet e of the inflation pump 3, a solenoid valve B4 and the air filter 6.8 are installed at the middle part of the air intake pipeline A4, and the other end of the air intake pipeline A4 is open to the atmosphere;
• a circulating pipeline A5 is further connected to the solenoid valve B4, a solenoid valve B5 is installed at the middle part of the circulating pipeline A5, and the other end of the circulating pipeline A5 communicates with the solenoid valve B3, and extends into the modular vacuum high-pressure chamber 1-11 through the inflation pipeline A3 to form a circulating air return port j thereof;
• an airtight mechanism inflation pipeline A8 is further connected to the solenoid valve B5, and the airtight mechanism inflation pipeline A8 communicates with the air outlet d of the inflation pump 3 after passing through the solenoid valve B5 and the inflation pipeline A3, and the other end of the inflation pipeline A8 is connected to the pipeline at the top side of the square annular inflation pipeline A8.1;
• the pipelines at four sides of the square annular inflation pipeline A8.1 communicate with one another, the inflation plugs 1.54 are connected to the middle points of the pipelines at four sides, and the inflation plugs 1.54 are plugged into the corresponding inflation sockets 1.53;
• an air water production inflation pipeline A9 is further connected to the inflation pipeline A3, the air water production inflation pipeline A9 is connected to the solenoid valve B2 and communicates with an air inlet h of the air water production device 11 through the exhaust pipeline A2;
• a modified atmosphere air intake pipeline A6 is installed at an air inlet t of the modified atmosphere device 6.1, a solenoid valve B6 is installed at the middle part of the modified atmosphere air intake pipeline A6, and the other end of the modified atmosphere air intake pipeline A6 is connected to the inflation pipeline A3 and then communicates with the air outlet d of the inflation pump 3;
• a modified atmosphere air outlet pipeline A7 is installed at an air outlet s of the modified atmosphere device 6.1, a solenoid valve B7 is installed at the middle part of the modified atmosphere air outlet pipeline A7, and the other end of the modified atmosphere air outlet pipeline A7 extends into the modular vacuum high-pressure chamber 1-11 to form a modified atmosphere air outlet i thereof;
• an air water production pipeline A10 is installed at a water outlet x of the air water production device 11, and the air water production pipeline A10 communicates with a water inlet y of the filtering water tank 11.1;
• condensate water generated in the modular vacuum high-pressure chamber 1-11 flows into a water inlet Y of a condensate water collecting box 11.2 at the bottom in the chamber, a dehumidification condensate water pipeline A31 is installed at another water inlet N of the condensate water collecting box 11.2, and the other end of the dehumidification condensate water pipeline A31 is connected to a condensate water drainage port H of the dehumidifying device;
• a condensate water pipeline A11 is installed at a water outlet M of the condensate water collecting box 11.2, the condensate water pipeline A11 is provided with a solenoid valve B11 at the rear middle part after extending out the modular vacuum high-pressure chamber 1-11, and the other end of the condensate water pipeline A11 communicates with a water inlet v of the filtering water tank 11.1;
• a humidifying water pipeline A12 is installed at a water outlet o of the filtering water tank 11.1, a solenoid valve B12 is installed at the middle part of the humidifying water pipeline A12, the other end of the humidifying water pipeline A12 extends into the modular vacuum high-pressure chamber 1-11 to communicate with a water inlet R of a humidifier 8.5;
• a refrigeration circulating pipeline A13 is installed at the refrigerating and heating system 8.3, the refrigeration circulating pipeline A13 extends into the modular vacuum high-pressure chamber 1-11 to communicate with an a heat exchanger 8.4;
• the touch screen and mobile phone monitoring system 12 comprises a cabinet door touch screen 12.1, a mobile phone APP 12.2, and a high-definition anti-fog camera device 12.3;
• the high-definition anti-fog camera device 12.3 is installed at the position inside/outside the cabinet body 7 needing to be monitored;
• the modular vacuum high-pressure chamber 1-11 is internally provided with positive and negative pressure airflow load generation processors and sensors, comprising:
• the humidifier 6.5, an air disinfection and sterilization device 6.9, an air filter and purifier 6.10, a dehumidifying device 6.11, the condensate water collecting box 11.2, a pressure sensor C1, a negative pressure sensor C2, a super oxygen sensor C3, a negative oxygen ion sensor C4, a chlorine dioxide sensor C5, a humidity sensor C6, an oxygen sensor C7, a nitrogen sensor C8, a temperature sensing controller C9, a water level sensing controller C10, and an air particulate matter sensor C11;
• all airflow load generation processors, sensors, solenoid valves and equipment devices arranged inside and outside the modular vacuum high-pressure chamber 1-11 comprise the suction pump 2, the inflation pump 3, the modified atmosphere device 6.1, the humidifier 6.5, the super oxygen decomposer 6.7, the refrigerating and heating system 8.3, the heat exchanger 8.4, the air water production device 11, the filtering water tank 11.1, the touch screen and mobile phone monitoring system 12, the cabinet door touch screen 12.1, the high-definition anti-fog camera device 12.3, the pressure sensor C1, the negative pressure sensor C2, the super oxygen sensor C3, the negative oxygen ion sensor C4, the chlorine dioxide sensor C5, the humidity sensor C6, the oxygen sensor C7, the nitrogen sensor C8, the temperature sensing controller C9, the water level sensing controller C10, the air particulate matter sensor C11 and the solenoid valves B1 to B12 are all connected to the positive and negative pressure intelligent regulation device 5;
• an operation method for the intelligent positive and negative pressure modular cabinet is provided, as the intelligent positive and negative pressure modular cabinet has a vacuum, high-pressure, constant-temperature, constant-humidity, constant-pressure, sterile and dust-free environment, various objects and equipment, such as tableware, kitchenware and electrical appliances, can be placed and installed therein, the operation method comprises:
• (1) vacuum abatement cleaning procedure:
• after placing the tableware, kitchenware, small electrical appliances and small objects into the modular vacuum high-pressure chamber 1-11, touching the chamber door switch 1.8 while closing the chamber door 1.2, and then sending an instruction by the positive and negative pressure intelligent regulation device 5:
• enabling the solenoid valves B1 and B2 to open the air suction pipelines A1 and A2 (air suction and air return port c of vacuum high-pressure chamber→A1→B1→A1→air inlet a of suction pump 2→pair outlet b→A2→air inlet g of super oxygen decomposer→air outlet m→A2→B2→A2→air inlet h of air water production device→pair outlet n→A2→exhaust to atmosphere), and turning on the suction pump 2 to vacuumize the modular vacuum high-pressure chamber 1-11 to a moderate vacuum (−0.01 KPa to −0.1 MPa), pumping out part of bacteria and microorganisms and polluted air in the chamber to clean the air and space;
• (2) disinfection and sterilization procedure:
• sending an instruction by the positive and negative pressure intelligent regulation device 5 to turn on the air disinfection and sterilization device 6.9, wherein the air disinfection and sterilization device 6.9 comprises a super oxygen generator, an ultraviolet disinfection lamp, and the like, which can be selected according to different disinfection requirements to disinfect and sterilize the environment and objects in the chamber;
• (3) sterile and undamaged storage procedure under particular conditions:
• providing vacuum, high-pressure, constant-temperature, constant-humidity, constant-pressure, sterile, dust-free and other particular storage environments by different types and configurations of modular cabinets, thus satisfying various different storage demands, for example, the tableware, kitchenware, small electrical appliances and small objects can be stored in vacuum after being disinfected by super oxygen, paintings, documents, antiques and high-end clothing may be stored in vacuum, low oxygen and dust prevention, or stored by using a particular modified atmosphere gas, or stored at constant temperature, constant humidity and constant pressure;
• (4) multi-purpose display refrigeration of water and wine bar:
• refrigerating and storing the packaged food, beverages, alcoholic beverages, fruits and dried fruits, candy and cakes and other food and objects with transparent cabinet doors in a display manner;
• (5) remote and short-range control monitoring function:
• controlling and monitoring, by the touch screen and mobile phone monitoring system 12, the positive and negative pressure modular cabinet in real time by the WIFI and mobile phone APP at remote and short-range, thus making the modular cabinet to intelligently achieve various functions at high efficiency and low consumption according to the set procedures and instant instructions;
• shooting, by the high-definition anti-fog camera device 12.3, the statuses of objects in the modular cabinet in real time;
• displaying and reminding, by a cabinet door touch screen 12.1 or a mobile phone APP 12.2, commodity information such as production date, price, expiration date and manufacturers and the information of purchase shopping malls and online stores, automatically recording, analyzing and handling the big data such as the time, quantity, frequency and preference of storing the objects in, and taking the objects out, the modular cabinet, and performing intelligent analysis;
• timely reminding on the mobile phone APP 12.2 or directly pushing the suggested goods to the mobile phone APP 12.2 or the cabinet door touch screen 12.1 for easy selection of purchase by the user, wherein, in addition to real-time monitoring and recording, the high-definition anti-fog camera device 12.3 is especially required to automatically and continuously shoot several panoramic photos of the objects in the modular cabinet with the closing movement of the cabinet door 1.2 by starting from the position remote away from the modular cabinet in the process of closing the cabinet door, or automatically record small videos at the same time for the users to view in the mobile phone APP, or view the panoramic photos or videos of the objects in the modular cabinet with good light and wide field of vision before and during the last closing of the door in the cabinet door touch screen at any time without opening the cabinet door, releasing the vacuum and lowering the temperature during short range;
• (6) positive and negative pressure module combined intelligent smart home mode:
• designing and manufacturing the intelligent positive and negative pressure modular cabinet according to the module functions, wherein the intelligent positive and negative pressure modular cabinet can be independently produced and used as a separated invention, or can be organically combined with other positive and negative pressure electrical appliances and the modular cabinets under the control of the touch screen and mobile phone APP monitoring system 12 to form a fully functional intelligent positive and negative pressure module combined home;
• and the modular cabinet not only has high energy efficiency and low consumption, but also can share the intelligent positive and negative pressure system, the refrigeration system and the air water production device of other positive and negative pressure electrical appliances and modular cabinets, and the fully functional intelligent positive and negative pressure module combined home is basically uniform, neat and harmonious in appearance, shape and color which are in line with the popular trend.