EP3981269A1 - Zerstäubungskern und zerstäuber einer elektronischen zigarette - Google Patents

Zerstäubungskern und zerstäuber einer elektronischen zigarette Download PDF

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Publication number
EP3981269A1
EP3981269A1 EP20827945.5A EP20827945A EP3981269A1 EP 3981269 A1 EP3981269 A1 EP 3981269A1 EP 20827945 A EP20827945 A EP 20827945A EP 3981269 A1 EP3981269 A1 EP 3981269A1
Authority
EP
European Patent Office
Prior art keywords
atomizing
groove
electrode
electronic cigarette
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20827945.5A
Other languages
English (en)
French (fr)
Other versions
EP3981269A4 (de
Inventor
Jianfu Liu
Kejun ZHONG
Xiaoyi Guo
Wei Huang
Xinqiang YIN
Jianhua Yi
Chaoxiang HUANG
Yongquan ZHOU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Hunan Industrial Co Ltd
Original Assignee
China Tobacco Hunan Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201910520436.6A external-priority patent/CN112089100B/zh
Priority claimed from CN201920911047.1U external-priority patent/CN210169055U/zh
Priority claimed from CN201920910875.3U external-priority patent/CN210169054U/zh
Application filed by China Tobacco Hunan Industrial Co Ltd filed Critical China Tobacco Hunan Industrial Co Ltd
Publication of EP3981269A1 publication Critical patent/EP3981269A1/de
Publication of EP3981269A4 publication Critical patent/EP3981269A4/de
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/05—Devices without heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/44—Wicks

Definitions

  • the present invention relates to an electronic cigarette utensil, and in particular, to an electronic cigarette atomizing core and an electronic cigarette atomizer.
  • an ultrasonic atomizing sheet of an atomizer is prone to being soaked in e-liquid or dry burning after continuous inhalations of vapor, resulting in decreased amount of vapor and poor taste of the vapor.
  • the service life of the ultrasonic atomizing sheet may be shortened, thereby leading to an increase in use cost and poor user experience.
  • an ultrasonic atomizing sheet of an ultrasonic atomizer includes a piezoelectric ceramic substrate, and an upper surface electrode and a lower surface electrode that are disposed on the upper and lower surfaces of the piezoelectric ceramic substrate, respectively.
  • the piezoelectric ceramic substrate is under high frequency oscillation, so that the e-liquid is atomized into vapor on the surface of the piezoelectric ceramic substrate.
  • the ultrasonic atomizing sheet is equivalent to a capacitor in the atomizing circuit. After the circuit is opened, the energy carried by the ultrasonic atomizing sheet cannot be released.
  • the ultrasonic atomizing sheet After the circuit is closed again, the ultrasonic atomizing sheet instantaneously releases high energy to components on the mainboard. Consequently, the components are easy to be burnt out. For example, a metal-oxide-semiconductor Field-Effect transistor(MOS) is broken down by a high voltage, thereby affecting the normal working of the circuit. As a result, the use cost is increased and the user experience is poor.
  • MOS metal-oxide-semiconductor Field-Effect transistor
  • the ultrasonic atomizing sheet in the ultrasonic atomizer Since the sides of the ultrasonic atomizing sheet in the ultrasonic atomizer are not stuck and fixed, the ultrasonic atomizing sheet is prone to shaking or moving, resulting in poor electrical connection. Furthermore, in assembly and in use, the ultrasonic atomizing sheet is prone to deviating and titling, resulting in uneven distribution of the e-liquid on the surface of the ultrasonic atomizing sheet, thus the ultrasonic atomizing sheet is prone to dry burning.
  • the technical problem to be solved in the present invention is to, with the purpose of overcoming the shortcomings of the prior art, provide an electronic cigarette atomizing core and an electronic cigarette atomizer that enable a smooth flow of an e-liquid and a uniform flow rate of the e-liquid.
  • the present invention provides an electronic cigarette atomizing core, including an atomizing cotton, an installation seat of the atomizing cotton, and an ultrasonic atomizing sheet.
  • An atomizing cavity is formed in the middle of the installation seat.
  • the ultrasonic atomizing sheet includes an upper surface electrode connected to an outer electrode and a lower surface electrode connected to an inner electrode.
  • a first groove and a second groove that are integrally communicated with each other are formed in an upper surface of the installation seat.
  • An air outlet is formed at the top of the first groove and disposed correspondingly to an e-liquid outlet onan e-liquid tank device.
  • a first air inlet is formed at both an endof the first groove close to the atomizing cavity and anend of the second groove close to the atomizing cavity.
  • the first groove is communicated with the second groove by means of the first air inlet of the first groove.
  • the first air inlet of the second groove is communicated with the atomizing cavity.
  • the first air inlet of the first groove is smaller than
  • the first groove is communicated with the second groove by means of the first air inlet of the first groove, and the first air inlet of the first groove is smaller than that of the second groove, so that the first and second grooves together form a horn-shaped opening on one side of the atomizing cavity.
  • the first groove can be prevented from blockage by the e-liquid, so that air exchange at the e-liquid outlet is not affected.
  • the air in the atomizing cavity can enter the first groove via the second groove, pass through the atomizing cotton via the air outlet at the top of the first groove, and then enter the e-liquid tank device via the e-liquid outleton the e-liquid tank device, causing the pressure in the e-liquid tank to rise and enabling a smooth flow of the e-liquid out of the e-liquid tank.
  • smooth e-liquid flow through the atomizing cotton, uniform e-liquid flow rate, and better e-liquid atomizing effect of the ultrasonic atomizing sheet can be achieved, and dry burning of the ultrasonic atomizing sheet can be prevented.
  • the first air inlet of the first groove is smaller than that of the second groove, thus avoiding excessive air from entering the first groove and the e-liquid tank, thereby the ultrasonic atomizing sheet can be prevented from being soaked in excessive e-liquid output from the e-liquid tank when the electronic cigaretteis not being smoked, thus the e-liquid atomizing efficiency of the ultrasonic atomizing sheet will not be reduced, and the risk of inhalation of the e-liquid by a user will not be increased.
  • a first fixing slot is formed in the installation seat on the outer side of the first groove.
  • An end of the atomizing cotton covers the first groove and the second groove and extends into the first fixing slot.
  • the middle of the atomizing cotton is in contact with an atomizing region of the ultrasonic atomizing sheet, and the portions, corresponding to the first groove and the second groove, of the atomizing cotton are suspended.
  • a resistance plate is clamped between the outer electrode and the inner electrode; a resistor is disposed on the resistance plate.
  • One end of the resistor is electrically connected to the upper surface electrode of the ultrasonic atomizing sheet by means of the outer electrode, while the other end of the resistor is electrically connected to the lower surface electrode of the ultrasonic atomizing sheet by means of the inner electrode.
  • a closed circuit is formed by the ultrasonic atomizing sheet and the resistor on the resistance plate after the atomizer is powered off, so that the energy stored by the ultrasonic atomizing sheet which is powered on and then powered off is consumed, allowing the ultrasonic atomizing sheet to work normally after being powered on again,and damage of other electronic components by instantaneous high voltage released by the ultrasonic atomizing sheet after being powered on again can be avoided, and the use cost can be reduced. Since the resistance plate is clamped between the outer electrode and the inner electrode, the resistance plate is simple, convenient and fast to assemble, and can be mounted stably. Thus, the manufacturing cost of the atomizer can be reduced correspondingly.
  • the inner electrode includes an electrode holder.
  • a clamping column is disposed on the electrode holder.
  • a boss is formed on the top of the clamping column.
  • a first opening allowing insertion of the resistance plate in the electrode holder is formed in the resistance plate.
  • a second opening allowing engagement of the resistance plate with the clamping column and the boss is formed in the first opening.
  • the resistance plate is placed on the electrode holder by means of the first opening, and fastened to the clamping column and the boss of the electrode holder by means of the second opening.
  • the resistance plate is inserted into the electrode holder by means of the first opening thereof, then the resistance plate is pushed to allow clamping of the second opening with the clamping column of the electrode holder, and propped against the boss.
  • the resistance plate can be clamped stably without a screw, and a closed circuit can be formed by the electrode holder and the resistance plate.
  • the manufacturing cost can be reduced.
  • the opening of the second opening is matched with the shape of the clamping column, so that the resistance plate and the electrode holder are assembled more stably.
  • a connecting electrode is place in the lower portion of the outer electrode.
  • a third groove is formed in the middle of the connecting electrode.
  • a protruding support platform is formed on the third groove. The lower surface of the resistance plate is placed on the support platform, and the upper surface of the resistance plate is propped against the boss of the electrode holder.
  • the third groove is not in contact with the resistance plate when the second opening of the resistance plate is moved to be engaged with the clamping column and the boss of the electrode holder, so that the friction during the movement of the resistance plate is reduced with saved effort, and assembling is convenient.
  • the ultrasonic atomizing sheet is mounted on the atomization seat, and a second fixing slot and a limiting ring for fixing the ultrasonic atomizing sheet are disposed on the atomization seat.
  • the ultrasonic atomizing sheet can be effectively prevented from falling out or moving, thereby avoiding tilting of the ultrasonic atomizing sheet caused by unstable mounting of the ultrasonic atomizing sheet and avoiding dry burning due to insufficient contact between the ultrasonic atomizing sheet and the e-liquid and improving the stability of the assembled ultrasonic atomizing sheet.
  • the atomization seat is sleeved with the outer electrode.
  • An upper end of the outer electrode stretches across a top surface of the atomization seat and has a resisting portion bent downwardly.
  • a conductive ring protruding outwards is disposed on the resisting portion.
  • the outer electrode is propped against the upper surface electrode of the ultrasonic atomizing sheet by means of the conductive ring to realize electrical connection therebetween.
  • the outer electrode can be electrically connected to the ultrasonic atomizing sheet without welded electronic lines, enabling convenient assembling and stable electrical connection of the atomizing core.
  • an inserting end is formed at the bottom of the atomization seat, and the atomization seat is inserted in the top of the connecting electrode by means of the inserting end thereof and thereby fixed on the connecting electrode.
  • the atomization seat can be stably connected to the connecting electrode, and the atomizing core can be assembled conveniently and rapidly with low cost.
  • first fixing slots are symmetrically formed in the upper surface of the installation seat of the atomizing cotton. Two ends of the atomizing cotton are inserted in the first fixing slot and cover the first groove and the second groove. Thus, the atomizing cotton can be mounted on the installation seat more stably.
  • first fixing slot, the first groove and the second groove are formed in the upper surface of the installation seat in sequence from outside to inside.
  • the present invention further provides an electronic cigarette atomizer, including the electronic cigarette atomizing core.
  • a lower surface of the e-liquid tank device is abutted against the upper surface of the installation seat, so that two ends of the atomizing cotton are clamped by the e-liquid tank device and the installation seat.
  • the atomizing cavity is located between the lower surface of the e-liquid tank device and an upper surface of the ultrasonic atomizing sheet and is accessible by outside air, and the air outlet of the first groove is larger than the e-liquid outlet.
  • the air in the atomizing cavity can enter the first groove via the second groove, pass through the atomizing cotton, and then enter the e-liquid tank via the e-liquid outlet, enabling smooth exchange of the e-liquid and the air in the e-liquid tank.
  • the flow rate of the e-liquid out of the e-liquid tank can be ensured, thereby achieving better e-liquid atomizing effect of the ultrasonic atomizing sheet and avoiding dry burning of the ultrasonic atomizing sheet.
  • the air outlet of the first groove is larger than the e-liquid outlet, thereby preventing blockage of the first groove by the e-liquid and avoiding influence on air exchange at the e-liquid outlet.
  • the ultrasonic atomizing sheet can be prevented from being soaked in the e-liquid, and the atomizing cotton can be prevented from falling into the first groove or the second groove, so the exchange speed of the e-liquid and the air in the e-liquid tank will not be slowed, thus e-liquid flow will not be slowed, and hence dry burning of the ultrasonic atomizing sheet will not occur.
  • the e-liquid tank device is formed by an inner e-liquid tank shell and an outer e-liquid tank shell that are engaged with each other.
  • the e-liquid outlet is disposed on the outer e-liquid tank shell.
  • a knob is disposed in the middle of the e-liquid tank device.
  • a top end of the knob is sleeved with a suction nozzle device.
  • the suction nozzle device is capable of rotating around the knob, thereby closing or opening the e-liquid inlet of the e-liquid tank device.
  • the suction nozzle device is provided with a suction nozzle and a second air inlet.
  • An air outlet passage communicated with the suction nozzle and the atomizing cavity is formed in the middle of the knob, and an air inlet passage communicated with the second air inlet and the atomizing cavity is formed in the periphery of the knob.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the atomizing core 4 includes an atomizing cotton 41, an installation seat 42 for installing the atomizing cotton, an ultrasonic atomizing sheet 43, an atomization seat 44, an outer electrode 45, a resistance plate 46, a connecting electrode 47, an insulating ring 48, and an inner electrode 49.
  • a first fixing slot 421, a first groove 422 and a second groove 423 are symmetrically formed in the upper surface of the installation seat 42 from outside to inside.
  • the first groove 422 and the second groove 423 are communicated with each other, and the first groove 422 directly faces the e-liquid outlet 321 onthe e-liquid tank device 3.
  • the air outlet of the first groove 422 is larger than the e-liquid outlet 321, preferably twice the e-liquid outlet 321 in diameter, thereby preventing blockage of the first groove 422 by the e-liquid, and thus air exchange at the e-liquid outlet 321 is not affected.
  • the first air inlet of the first groove 422 is smaller than that of the second groove 423, ensuring that the first groove 422 is not prone to being blocked by the e-liquid.
  • the installation seat 42 is preferably a silica gel cover.
  • a second fixing slot 441 and a limiting ring 442 are disposed at an upper part of the inner cavity of the atomization seat 44.
  • An inserting end 443 is disposed at a lower part of the atomization seat 44.
  • the atomization seat 44 is inserted in the inner cavity of the connecting electrode 47 by means of the inserting end 443 thereof, so that the atomization seat 44 is stably placed at the top of the connecting electrode 47.
  • the ultrasonic atomizing sheet 43 is nested in the second fixing slot 441 of the atomization seat 44 and is propped against by the limiting ring 442 to be limited.
  • the ultrasonic atomizing sheet 43 can be effectively prevented from falling out of or moving in the atomization seat 44, thereby effectively avoiding tilting of the ultrasonic atomizing sheet caused by unstable mounting of the ultrasonic atomizing sheet and avoiding dry burning of the ultrasonic atomizing sheet due to insufficient contact between the ultrasonic atomizing sheet and the e-liquid, and thus improving the stability of the assembled ultrasonic atomizing sheet.
  • the tail end of the atomizing cotton is inserted into the first fixing slot 421.
  • the middle of the atomizing cotton 41 is sunken under the action of a spring 7 and thereby comes into contact with the ultrasonic atomizing sheet 43 horizontally placed in the atomization seat 44 to form an atomizing region, and the portions, corresponding to the first groove 422 and the second groove 423, of the atomizing cotton 41 are suspended.
  • An atomizing cavity is formed between the upper surface of the ultrasonic atomizing sheet 43 and the lower surface of the outer e-liquid tank shell 32.
  • the first air inlet of the second groove 423 is communicated with the atomizing cavity, and the first groove 422 directly faces the e-liquid outlet 321 onthe e-liquid tank device 3.
  • the air in the atomizing cavity can enter the e-liquid tank via the second groove 423, the first groove 422 and the e-liquid outlet 321 to exchange with the e-liquid, thereby ensuring the flow rate of the e-liquid.
  • the ultrasonic atomizing sheet 43 can be prevented from being soaked in the e-liquid, and the atomizing cotton 41 can be prevented from falling into the first groove 422 or the second groove 423, thereby avoiding slowed e-liquid flow due to slowed exchange of the e-liquid and the air in the e-liquid tank and hence avoiding dry burning of the ultrasonic atomizing sheet 43.
  • the bottom of the installation seat 42 is connected to the outer electrode 45.
  • the upper portion of the outer electrode 45 sleeves the atomization seat 44, so that the atomization seat 44 is protected by the outer electrode 45 and prevented from deformation, thereby avoiding influence on the form of the ultrasonic atomizing sheet 43 in the atomization seat 44.
  • An upper end of the outer electrode 45 stretches across a top surface of the atomization seat 44 and has a resisting portion 451 bent downwardly.
  • a conductive ring 452 protruding outwards is disposed on the resisting portion 451.
  • the outer electrode 45 is propped against an upper surface electrode of the ultrasonic atomizing sheet 43 by means of the conductive ring 452 to realize electrical connection therebetween.
  • the lower portion of the outer electrode 45 is connected to the connecting electrode 47.
  • a third groove 471 is formed in the middle of the connecting electrode 47.
  • a protruding support platform 472 is formed on the inner side of the third groove 471.
  • a lower surface electrode of the ultrasonic atomizing sheet 43 is connected to the inner electrode 49.
  • the inner electrode 49 includes an electrode holder 491.
  • An elastic electrode 492 for abutting against the lower surface electrode of the ultrasonic atomizing sheet 43 is disposed in the middle of the electrode holder 491.
  • the inner electrode 49 is mounted in the inner cavity of the connecting electrode 47, and an insulating ring 48 is disposed between the connecting electrode 47 and the inner electrode 49.
  • a clamping column 4912 and a boss 4911 are disposed on the electrode holder 491.
  • a first opening 461 and a second opening 462 are formed in the resistance plate 46, and the first opening 461 is connected to the second opening 462.
  • the resistance plate 46 is sleeved on the clamping column 4912 of the electrode holder 491 by means of the first opening 461, fastened to the boss 4911 by means of the second opening 462, and propped against the support platform 472 of the connecting electrode 47, thereby achieving electrical connection of a resistor on the resistance plate 46 with the connecting electrode 47 and the inner electrode 49.
  • Two ends of the resistor are connected to the upper and lower surface electrodes of the ultrasonic atomizing sheet 43, respectively, so that a closed circuit is formed between the ultrasonic atomizing sheet 43 and the resistor.
  • the energy stored by the ultrasonic atomizing sheet 43 can be consumed by the resistor, allowing the ultrasonic atomizing sheet 43 to work normally after being powered on.
  • Components on the mainboard of the atomizer can be protected against damage under huge voltage impact.
  • the service life of the atomizer can be prolonged and the use cost thereof can be reduced.
  • a knob 6 is disposed in the middle of the e-liquid tank device 3.
  • a top end of the knob 6 is sleeved with a suction nozzle device 1.
  • the suction nozzle device 1 is capable of rotating around the knob 6, thereby closing or opening an e-liquid inlet of the e-liquid tank device 3.
  • An air outlet passage 61 communicated with the suction nozzle 11 and the atomizing cavity is formed in the middle of the knob 6, and an air inlet passage 62 communicated with the second air inlet 12 and the atomizing cavity is formed in the periphery of the knob 6.
  • a smoker inhales vapor through the suction nozzle 11.
  • the outside air from the second air inlet 12 enters the atomizing cavity through the air inlet passage 62, and the e-liquid flows from the e-liquid outlet 321 onthe e-liquid tank to the atomizing cotton 41, then spreads to the middle, in contact with the ultrasonic atomizing sheet 43, of the atomizing cotton via the portions, corresponding to the first and second grooves, of the atomizing cotton 41, and after being ultrasonically atomized, reaches the suction nozzle 11 through the air outlet passage 61 to be inhaled by the smoker.

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Special Spraying Apparatus (AREA)
EP20827945.5A 2019-06-17 2020-06-15 Zerstäubungskern und zerstäuber einer elektronischen zigarette Pending EP3981269A4 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201910520436.6A CN112089100B (zh) 2019-06-17 2019-06-17 一种电子烟雾化芯及雾化器
CN201920911047.1U CN210169055U (zh) 2019-06-17 2019-06-17 一种电子烟雾化芯及雾化器
CN201920910875.3U CN210169054U (zh) 2019-06-17 2019-06-17 一种电子烟雾化芯及雾化器
PCT/CN2020/096013 WO2020253639A1 (zh) 2019-06-17 2020-06-15 一种电子烟雾化芯及雾化器

Publications (2)

Publication Number Publication Date
EP3981269A1 true EP3981269A1 (de) 2022-04-13
EP3981269A4 EP3981269A4 (de) 2023-07-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20827945.5A Pending EP3981269A4 (de) 2019-06-17 2020-06-15 Zerstäubungskern und zerstäuber einer elektronischen zigarette

Country Status (2)

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EP (1) EP3981269A4 (de)
WO (1) WO2020253639A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023202334A1 (zh) * 2022-04-20 2023-10-26 常州市派腾电子技术服务有限公司 雾化器及气溶胶发生装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170332702A1 (en) * 2016-05-20 2017-11-23 Lunatech, Llc Electronic vaporizing device with messaging functionality
US11324253B2 (en) * 2016-08-04 2022-05-10 China Tobacco Hunan Industrial Co., Ltd. Disposable cigarette cartridge, atomizer and electronic cigarette
WO2018188638A1 (zh) * 2017-04-13 2018-10-18 湖南中烟工业有限责任公司 一种超声波电子烟雾化器
CN206949542U (zh) * 2017-06-16 2018-02-02 湖南中烟工业有限责任公司 一种超声波电子烟雾化器及该电子烟
CN207803445U (zh) * 2017-12-14 2018-09-04 深圳市中联华成数字技术有限公司 新型电子烟超声雾化器装置
CN108618209A (zh) * 2018-07-27 2018-10-09 深圳市量子激光科技有限公司 超声波雾化装置及电子烟
CN210275920U (zh) * 2019-06-17 2020-04-10 湖南中烟工业有限责任公司 一种雾化器
CN210169054U (zh) * 2019-06-17 2020-03-24 湖南中烟工业有限责任公司 一种电子烟雾化芯及雾化器
CN210169053U (zh) * 2019-06-17 2020-03-24 湖南中烟工业有限责任公司 一种电子烟雾化器
CN210169055U (zh) * 2019-06-17 2020-03-24 湖南中烟工业有限责任公司 一种电子烟雾化芯及雾化器
CN210114048U (zh) * 2019-06-17 2020-02-28 湖南中烟工业有限责任公司 一种电子烟雾化芯及雾化器
US20230020762A1 (en) * 2019-09-06 2023-01-19 China Tobacco Hunan Industrial Co., Ltd. Liquid cartridge assembly for electronic cigarette and atomizer

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Publication number Publication date
EP3981269A4 (de) 2023-07-19
WO2020253639A1 (zh) 2020-12-24

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