# US 2016/0249684 A1 · Electronic cigarette and method for controlling atomization thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0249684 A1 - Document ID: US20160249684A1 - Status: Published application - Kind: A1 - Application number: 15/150,632 - Filed: 2016-05-10 - Published: 2016-09-01 - Earliest claimed: 2014-11-14 - Assignees: Huizhou Kimree Technology Co., Ltd - Applicants: Huizhou Kimree Technology Co., Ltd - Inventors: Qiuming LIU - Web page: https://patentgrep.com/patent/US20160249684A1 ## CPC - H05B 1/0227: {Applications} - A24F 40/40: Constructional details, e.g. connection of cartridges and battery parts - A24F 40/50: Control or monitoring - A24F 40/60: Devices with integrated user interfaces - H05B 3/0014: {Devices wherein the heating current flows through particular resistances} - H05B 3/42: non-flexible - A24F 40/10: Devices using liquid inhalable precursors - H05B 2203/014: Heaters using resistive wires or cables not provided for in H05B3/54 - H05B 2203/021: Heaters specially adapted for heating liquids - H05B 2203/022: Heaters specially adapted for heating gaseous material - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) ## Abstract An electronic cigarette and a method for controlling atomization of the electronic cigarette are provided. The electronic cigarette includes an atomizer and a battery rod assembly. The atomizer is formed by detachably connecting a liquid cup assembly and an atomizer core. A control unit is provided to be electrically connected to the atomizer and the battery rod assembly. A conductive cartridge that is conductive is sleeved on the battery, and the suction nozzle and the conductive cartridge can be conducted. The control unit controls the battery to supply power to the atomizer to atomize cigarette liquid when detecting that the suction nozzle is conducted with the conductive cartridge, which effectively prevents an automatic operation of the atomizer and avoids a waste of the cigarette liquid and the energy while facilitating the user operation. ## Claims ### Claim 1 An electronic cigarette, comprising: an atomizer; a battery rod assembly detachably connected to the atomizer; and a control unit electrically connected to the atomizer and the battery rod assembly; wherein a battery is provided in the battery rod assembly for supplying power to the atomizer for atomizing cigarette liquid, the atomizer comprises a liquid cup assembly, a suction nozzle and an atomizer core, the liquid cup assembly comprises a liquid storage cartridge and an air tube inserted in the liquid storage cartridge, the suction nozzle made of a conductive material is provided at an end of the liquid cup assembly facing away from the battery rod assembly, the atomizer core detachably connected to the liquid cup assembly for atomizing cigarette liquid is provided at the other end of the liquid cup assembly, the atomizer core is provided with a smoke passage and an elastic conductive arm extending into the smoke passage, the air tube made of a conductive material is inserted in the smoke passage and elastically abuts against the elastic conductive arm, the elastic conductive arm is electrically connected to the control unit, the elastic conductive arm is electrically connected to the suction nozzle through the air tube, a conductive cartridge electrically connected to the control unit is provided on an outer periphery surface of the battery rod assembly, and a user touches the suction nozzle and the conductive cartridge via skin when smoking, which allows the suction nozzle to conduct with the conductive cartridge, and the control unit controls the battery to supply power to the atomizer to atomize the cigarette liquid when the control unit detects that the suction nozzle is conducted with the conductive cartridge. ### Claim 2 (depends on 1) The electronic cigarette according to claim 1, wherein the control unit is provided in the battery rod assembly, and a conductive ring sleeved on the smoke passage is provided at an end of the atomizer core, an inner periphery surface of the conductive ring is formed with at least one elastic conductive arm extending slantingly in a direction away from the suction nozzle, and an atomizer electrode assembly electrically connected to the battery rod assembly and the control unit is provided at the other end of the atomizer core, the air tube is inserted in the smoke passage, and the elastic conductive arm elastically abuts against a side wall of the air tube, and if a plurality of elastic conductive arms are provided, one of the elastic conductive arms is electrically connected to the atomizer electrode assembly through a wire. ### Claim 3 (depends on 2) The electronic cigarette according to claim 2, wherein a side wall of the atomizer core is provided with an air inlet which is communicated with an outer surface of the atomizer and the smoke passage, and the atomizer electrode assembly blocks an end of the smoke passage to allow the smoke passage to be isolated from the battery rod assembly. ### Claim 4 (depends on 2) The electronic cigarette according to claim 2, wherein the atomizer core comprises a hollow atomizing seat, and a smoke passage is formed in the atomizing seat, a liquid storage cavity is provided between the smoke passage and an inner periphery wall of the liquid storage cartridge, a side wall of the atomizing seat is provided with a liquid inlet passage in communication with the liquid storage cavity, the atomizer electrode assembly is mounted at an end of the atomizing seat, a liquid absorber for absorbing the cigarette liquid in the liquid storage cavity from the liquid inlet passage and an electric heating wire for atomizing the cigarette liquid in the liquid absorber is provided in the smoke passage, the atomizer electrode assembly comprises a first insulating cartridge inserted in the atomizing seat, a first electrode inserted in the first insulating cartridge, a second insulating cartridge inserted in the first electrode and a second electrode inserted in the second insulating cartridge, the second electrode has a solid column structure and is electrically connected to the elastic conductive arm, and two ends of the electric heating wire are electrically connected to the atomizing seat and the first electrode respectively to be electrically connected to the battery. ### Claim 5 (depends on 3) The electronic cigarette according to claim 3, wherein the atomizer core comprises a hollow atomizing seat, and a smoke passage is formed in the atomizing seat, a liquid storage cavity is provided between the smoke passage and an inner periphery wall of the liquid storage cartridge, a side wall of the atomizing seat is provided with a liquid inlet passage in communication with the liquid storage cavity, the atomizer electrode assembly is mounted at an end of the atomizing seat, a liquid absorber for absorbing the cigarette liquid in the liquid storage cavity from the liquid inlet passage and an electric heating wire for atomizing the cigarette liquid in the liquid absorber is provided in the smoke passage, the atomizer electrode assembly comprises a first insulating cartridge inserted in the atomizing seat, a first electrode inserted in the first insulating cartridge, a second insulating cartridge inserted in the first electrode and a second electrode inserted in the second insulating cartridge, the second electrode has a solid column structure and is electrically connected to the elastic conductive arm, and two ends of the electric heating wire are electrically connected to the atomizing seat and the first electrode respectively to be electrically connected to the battery. ### Claim 6 (depends on 4) The electronic cigarette according to claim 4, further comprising: a wire electrically connected to the elastic conductive arm and the atomizer electrode assembly, wherein an end of the wire is connected to the elastic conductive arm by welding, and the other end of the wire is sandwiched between the second electrode and the second insulating cartridge. ### Claim 7 (depends on 5) The electronic cigarette according to claim 5, further comprising: a wire electrically connected to the elastic conductive arm and the atomizer electrode assembly, wherein an end of the wire is connected to the elastic conductive arm by welding, and the other end of the wire is sandwiched between the second electrode and the second insulating cartridge. ### Claim 8 (depends on 4) The electronic cigarette according to claim 4, wherein the atomizer core further comprises an atomizing cover sleeved on an end of the atomizing seat facing away from the battery rod assembly, and the atomizer core further comprises an insulator and an elastic seal, both of which are located in the atomizing cover and sleeved on the air tube, two ends of the elastic seal abut against an end wall of the atomizing cover and the insulator respectively, and two ends of the insulator abut against the elastic seal and an end of the atomizing seat, and the conductive ring is sandwiched between the insulator and the elastic seal. ### Claim 9 (depends on 5) The electronic cigarette according to claim 5, wherein the atomizer core further comprises an atomizing cover sleeved on an end of the atomizing seat facing away from the battery rod assembly, the atomizer core further comprises an insulator and an elastic seal, both of which are located in the atomizing cover and sleeved on the air tube, two ends of the elastic seal abut against an end wall of the atomizing cover and the insulator respectively, and two ends of the insulator abut against the elastic seal and an end of the atomizing seat, and the conductive ring is sandwiched between the insulator and the elastic seal. ### Claim 10 (depends on 4) The electronic cigarette according to claim 4, wherein the liquid storage cartridge is made of a light-transmittable non-metallic material, the suction nozzle is made of a metallic material and is fixed at an end of the liquid storage cartridge, and an end of the liquid storage cartridge facing away from the suction nozzle is fixedly provided with a connecting sleeve detachably connected to the atomizer core. ### Claim 11 (depends on 5) The electronic cigarette according to claim 5, wherein the liquid storage cartridge is made of a light-transmittable non-metallic material, the suction nozzle is made of a metallic material and is fixed at an end of the liquid storage cartridge, and an end of the liquid storage cartridge facing away from the suction nozzle is fixedly provided with a connecting sleeve detachably connected to the atomizer core. ### Claim 12 (depends on 1) The electronic cigarette according to claim 1, wherein the battery rod assembly comprises the conductive cartridge made of a metallic material, the battery inserted in the conductive cartridge, a connector inserted at an end of the conductive cartridge for being connected to the atomizer, an end cover inserted at an end of the conductive cartridge facing away from the connector, and the control unit is provided in the battery rod assembly. ### Claim 13 (depends on 12) The electronic cigarette according to claim 12, wherein the connector comprises a connecting sleeve electrically connected to the control unit, and a first elastic electrode and a second elastic electrode, both of which are inserted into the connecting sleeve, the first elastic electrode is located at an axis of the battery rod assembly, and the first elastic electrode and the second elastic electrode elastically abut against and are electrically connected to the atomizer core. ### Claim 14 (depends on 13) The electronic cigarette according to claim 13, wherein the first elastic electrode comprises a fixing cartridge, an electrode column movably inserted in the fixing cartridge and extending out of the fixing cartridge, and an elastic element, two ends of the elastic element elastically abut against the fixing cartridge and the electrode column respectively, and an end, facing away from the elastic element of the electrode column elastically abuts against the atomizer core. ### Claim 15 (depends on 1) The electronic cigarette according to claim 1, wherein the control unit comprises a microprocessor, a filtering unit electrically connected to the conductive cartridge for filtering an input signal, a first transistor switch unit electrically connected to the filtering unit for transmitting an output signal from the filtering unit to the microprocessor, a second transistor switch unit electrically connected to the microprocessor and the atomizer, and the microprocessor is configured to control the second transistor switch unit to be turned on or off based on an input signal from the first transistor switch unit to further control the atomizer to atomize the cigarette liquid or not. ### Claim 16 (depends on 1) The electronic cigarette according to claim 1, wherein the control unit comprises a microprocessor, a filtering unit electrically connected to the conductive cartridge for filtering an input signal, a comparison circuit unit electrically connected to the filtering unit for comparing an output signal from the filtering unit and delivering a comparison result to the microprocessor, a third transistor switch unit electrically connected to the microprocessor and the atomizer, and the microprocessor is configured to control the third transistor switch unit to be turned on or off based on an input signal from the comparison circuit unit to further control the atomizer assembly to atomize the cigarette liquid or not. ### Claim 17 A method for controlling atomization of an electronic cigarette, comprising: detecting, by a control unit provided in the electronic cigarette, whether a suction nozzle and a conductive cartridge are conducted, wherein a battery rod assembly configured to supply power to an atomizer is further provided in the electronic cigarette, the conductive cartridge is sleeved on an outer periphery surface of the battery rod assembly, each of the suction nozzle and the conductive cartridge is made of a conductive material, and each of the suction nozzle and the conductive cartridge is electrically connected to the control unit, and controlling, by the control unit, the battery rod assembly to supply power to the atomizer to atomize the cigarette liquid if the control unit detects that the suction nozzle is conducted with the conductive cartridge.