# US 2025/0158505 A1 · Electric power saving apparatus using return luminous energy of infrared ray synthetic wavelength equipped with apparatus for protecting overload > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0158505 A1 - Document ID: US20250158505A1 - Status: Published application - Kind: A1 - Application number: 18/839,513 - Filed: 2023-02-14 - Published: 2025-05-15 - Earliest claimed: 2022-02-18 - Assignees: K,S,E. Co., Ltd. - Applicants: K,S,E. Co., Ltd. - Inventors: Young Dae KWON - Web page: https://patentgrep.com/patent/US20250158505A1 ## CPC - H02J 9/005: {using a power saving mode (for copiers G03G15/5004)} - H02M 1/0048: {Circuits or arrangements for reducing losses (using snubbers H02M1/34)} - H02J 3/002: {Flicker reduction, e.g. compensation of flicker introduced by non-linear load} - H02J 3/01: Arrangements for reducing harmonics or ripples - H02J 3/18: Arrangements for adjusting, eliminating or compensating reactive power in networks - H02J 9/00: Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting - H02M 1/32: Means for protecting converters other than automatic disconnection - H02M 1/327: {against abnormal temperatures} - H02M 3/155: using semiconductor devices only - H02M 7/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections} - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) ## Abstract The present invention relates to an energy optimization power saving apparatus using return luminous energy of infrared synthetic wavelength equipped with an overload protection apparatus and provides an energy optimization power saving apparatus having a power control unit as a connection control means for controlling the on/off of an electronic brake so as to detect whether conditions in which the return luminous energy wave generated by the energy optimization power saving apparatus may become unstable have been met, and to interrupt the operational connection of the energy optimization power saving apparatus to the power supply system for a certain period of time when the luminous energy wave is determined to be unstable, so that an unstable return luminous energy wave generated by the energy optimization power saving apparatus is prevented from being applied to a power supply system, thus preventing a disturbance in the power supply system or a reduction in the power saving effect of the power supply system. ## Claims ### Claim 1 An apparatus for energy-optimized power saving using returned light energy by infrared synthetic wavelength with overload protection device, comprising: a power control unit (400) as a connection control means to control the on/off status of the electronic brake (320) to interrupt the operating connection to a power supply system of an energy-optimized power saving device (1000) (Power Optimizer) for a certain period of time, in cases where the return light energy wave is judged to be unstable (the Return Luminous Energy Wave) by detecting whether the judgment conditions that may cause the return light energy wave generated by the energy-optimized power saving device (Power Optimizer) to become unstable (Unstable Return Luminous Energy Wave) are met or not, in order to prevent the Unstable Return Luminous Energy Wave generated by the Power Optimizer from being applied to the power supply system, causing disturbance in the power supply system or reducing the power saving effect of the power supply system. ### Claim 2 (depends on 1) An apparatus for energy-optimized power saving according to claim 1, wherein said power control unit (400) comprises: as a specific connection control means to control the on/off status of the electronic brake (320), a current control unit (410) that controls based on the operating current value (410S1) that is received through a current transformer (410s) of the energy-optimized power saving device; a temperature control unit (420) that controls based on the operating temperature value (420S1) that is received through a temperature sensor (420s) of the energy-optimized power saving device; and an operation time control unit (430) that controls based on the accumulated operation time (430S1) that is received through a timer (430s) of the energy-optimized power saving device, and characterized in that said power control unit (400) receives an operating current measurement value (410S1), an operating temperature measurement value (420S1), or an operating time counter value (430S1) from the current transformer (410s), the temperature sensor (420s), and the timer (430s), and characterized in that said power control unit (400) is configured to: in case that the current control unit (410), the temperature control unit (420), or the operation time control unit (430) determines that it is less than or equal to the maximum set current limit value, the maximum set temperature limit value, and the maximum set one-time duration limit value, respectively, that the electronic brake (320) is turned on (S100; “Power On”) to maintain the operating connection to the power supply system of the energy-optimized power saving device, and in case that, if it is determined that the maximum set current limit value, the maximum set temperature limit value, or the maximum set one-time duration limit value is exceeded, that the electronic brake (320) is turned off to activate the energy-optimized power saving device and to cut off (S100e; “Power Off”) the power connection to the Power Optimizer. ### Claim 3 (depends on 2) An apparatus for energy-optimized power saving according to claim 2, wherein said power control unit further comprises: means (410VR, 420VR, 430VR) for setting a threshold condition value for stopping operation in order to change and set a maximum set current limit value, a maximum set temperature limit value, and a maximum set one-time duration limit value according to the field situation, as an operation stopping threshold values to determine whether the energy-optimized power saving device operates unstable. ### Claim 4 (depends on 1) An apparatus for energy-optimized power saving according to claim 1, wherein said energy-optimized power saving device (1000) is equipped with a main control device (100; Core Control Apparatus) comprising: a surge absorption unit (110a) that absorbs (absorbing: S110a) the surge current corresponding to an abnormal wave from the supplied power supply; a voltage drop unit (120a) that lowers (lowering: S120a) the voltage of the input power supply to provide a stable voltage supply to the circuit; a smoothing circuit unit (130a) that performs (performing: S130a) full-wave rectification; a circuit protection unit (110b) that prevents (preventing: S110b) harmonics from entering from the input power supply; and a waveform generator (120b) connected to the circuit to generate (generating: S120b) a clock of a specific pulse corresponding to the return energy according to the load, and wherein the return luminous energy wave generated (synthesized) by the output value of the smoothing circuit unit (130a) and the waveform generator (120b) is returned to the load side. ### Claim 5 (depends on 4) An apparatus for energy-optimized power saving according to claim 4, wherein said energy-optimized power saving device further comprises: an auxiliary control device (200) connected to said waveform generator (120b) of said main control device (100), and wherein said auxiliary control device (200) is comprises: pulse forming sub; pulse quenching sub; pulse spreading sub; and pulse recharging sub, in order to generate and return the optionally optimized return light energy wave that is selectively and optionally optimized based on changes in characteristics depending on the type of load connected to the power supply system. ### Claim 6 (depends on 5) An apparatus for energy-optimized power saving according to claim 5, wherein said energy-optimized power saving device further comprises: a boot confirmation unit (150) which may be additionally included as a device for managing the useful life of the energy-optimized power saving device, in order to prevent unstable operation of the energy-optimized power saving device from a long-term perspective, and wherein the boot confirmation unit (150) is configured to that, in case of unstable operation of the energy-optimized power saving device, the time when the electronic brake is turned off, that is, the time when the Power Optimizer is turned off, is cumulatively counted, and then the boot confirmation unit (150) is configured to that alerts that the Power Optimizer is in a fault condition if the preset maximum set cumulative off time is exceeded, and manage the useful life of the Power Optimizer by blocking the booting of the Power Optimizer. ### Claim 7 (depends on 6) An apparatus for energy-optimized power saving according to claim 6, wherein said energy-optimized power saving device further comprises: an expansion board (500) installed on an electronic circuit board implementing the same, and wherein a notebook computer is connected through the expansion board (500), wherein terminals including the notebook computer connected is configured to enable current control, temperature control, and operation time control by inputting values through a program running on the terminal, wherein the functions and control results of the energy-optimized power saving device (1000) that are controlled at the same time can be checked through the terminals such as laptops, and further wherein, with lot-based control, all or part of the energy-optimized power saving device (1000) is configured to be turned on/off or remotely controlled. ### Claim 8 (depends on 2) An apparatus for energy-optimized power saving according to claim 2, wherein said energy-optimized power saving device (1000) is equipped with a main control device (100; Core Control Apparatus) comprising: a surge absorption unit (110a) that absorbs (absorbing: S110a) the surge current corresponding to an abnormal wave from the supplied power supply; a voltage drop unit (120a) that lowers (lowering: S120a) the voltage of the input power supply to provide a stable voltage supply to the circuit; a smoothing circuit unit (130a) that performs (performing: S130a) full-wave rectification; a circuit protection unit (110b) that prevents (preventing: S110b) harmonics from entering from the input power supply; and a waveform generator (120b) connected to the circuit to generate (generating: S120b) a clock of a specific pulse corresponding to the return energy according to the load, and wherein the return luminous energy wave generated (synthesized) by the output value of the smoothing circuit unit (130a) and the waveform generator (120b) is returned to the load side. ### Claim 9 (depends on 8) An apparatus for energy-optimized power saving according to claim 8, wherein said energy-optimized power saving device further comprises: an auxiliary control device (200) connected to said waveform generator (120b) of said main control device (100), and wherein said auxiliary control device (200) is comprises: pulse forming sub; pulse quenching sub; pulse spreading sub; and pulse recharging sub, in order to generate and return the optionally optimized return light energy wave that is selectively and optionally optimized based on changes in characteristics depending on the type of load connected to the power supply system. ### Claim 10 (depends on 9) An apparatus for energy-optimized power saving according to claim 9, wherein said energy-optimized power saving device further comprises: a boot confirmation unit (150) which may be additionally included as a device for managing the useful life of the energy-optimized power saving device, in order to prevent unstable operation of the energy-optimized power saving device from a long-term perspective, and wherein the boot confirmation unit (150) is configured to that, in case of unstable operation of the energy-optimized power saving device, the time when the electronic brake is turned off, that is, the time when the Power Optimizer is turned off, is cumulatively counted, and then the boot confirmation unit (150) is configured to that alerts that the Power Optimizer is in a fault condition if the preset maximum set cumulative off time is exceeded, and manage the useful life of the Power Optimizer by blocking the booting of the Power Optimizer. ### Claim 11 (depends on 10) An apparatus for energy-optimized power saving according to claim 10, wherein said energy-optimized power saving device further comprises: an expansion board (500) installed on an electronic circuit board implementing the same, and wherein a notebook computer is connected through the expansion board (500), wherein terminals including the notebook computer connected is configured to enable current control, temperature control, and operation time control by inputting values through a program running on the terminal, wherein the functions and control results of the energy-optimized power saving device (1000) that are controlled at the same time can be checked through the terminals such as laptops, and further wherein, with lot-based control, all or part of the energy-optimized power saving device (1000) is configured to be turned on/off or remotely controlled. ### Claim 12 (depends on 3) An apparatus for energy-optimized power saving according to claim 3, wherein said energy-optimized power saving device (1000) is equipped with a main control device (100; Core Control Apparatus) comprising: a surge absorption unit (110a) that absorbs (absorbing: S110a) the surge current corresponding to an abnormal wave from the supplied power supply; a voltage drop unit (120a) that lowers (lowering: S120a) the voltage of the input power supply to provide a stable voltage supply to the circuit; a smoothing circuit unit (130a) that performs (performing: S130a) full-wave rectification; a circuit protection unit (110b) that prevents (preventing: S110b) harmonics from entering from the input power supply; and a waveform generator (120b) connected to the circuit to generate (generating: S120b) a clock of a specific pulse corresponding to the return energy according to the load, and wherein the return luminous energy wave generated (synthesized) by the output value of the smoothing circuit unit (130a) and the waveform generator (120b) is returned to the load side. ### Claim 13 (depends on 12) An apparatus for energy-optimized power saving according to claim 12, wherein said energy-optimized power saving device further comprises: an auxiliary control device (200) connected to said waveform generator (120b) of said main control device (100), and wherein said auxiliary control device (200) is comprises: pulse forming sub; pulse quenching sub; pulse spreading sub; and pulse recharging sub, in order to generate and return the optionally optimized return light energy wave that is selectively and optionally optimized based on changes in characteristics depending on the type of load connected to the power supply system. ### Claim 14 (depends on 13) An apparatus for energy-optimized power saving according to claim 13, wherein said energy-optimized power saving device further comprises: a boot confirmation unit (150) which may be additionally included as a device for managing the useful life of the energy-optimized power saving device, in order to prevent unstable operation of the energy-optimized power saving device from a long-term perspective, and wherein the boot confirmation unit (150) is configured to that, in case of unstable operation of the energy-optimized power saving device, the time when the electronic brake is turned off, that is, the time when the Power Optimizer is turned off, is cumulatively counted, and then the boot confirmation unit (150) is configured to that alerts that the Power Optimizer is in a fault condition if the preset maximum set cumulative off time is exceeded, and manage the useful life of the Power Optimizer by blocking the booting of the Power Optimizer. ### Claim 15 (depends on 14) An apparatus for energy-optimized power saving according to claim 14, wherein said energy-optimized power saving device further comprises: an expansion board (500) installed on an electronic circuit board implementing the same, and wherein a notebook computer is connected through the expansion board (500), wherein terminals including the notebook computer connected is configured to enable current control, temperature control, and operation time control by inputting values through a program running on the terminal, wherein the functions and control results of the energy-optimized power saving device (1000) that are controlled at the same time can be checked through the terminals such as laptops, and further wherein, with Iot-based control, all or part of the energy-optimized power saving device (1000) is configured to be turned on/off or remotely controlled.