WO2021253418A1 - Atomiseur de cigarette électronique basé sur le chauffage d'un matériau chauffant électrique poreux, et son utilisation - Google Patents

Atomiseur de cigarette électronique basé sur le chauffage d'un matériau chauffant électrique poreux, et son utilisation Download PDF

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Publication number
WO2021253418A1
WO2021253418A1 PCT/CN2020/097157 CN2020097157W WO2021253418A1 WO 2021253418 A1 WO2021253418 A1 WO 2021253418A1 CN 2020097157 W CN2020097157 W CN 2020097157W WO 2021253418 A1 WO2021253418 A1 WO 2021253418A1
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WO
WIPO (PCT)
Prior art keywords
electronic cigarette
electric heating
microporous
liquid
oil
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Application number
PCT/CN2020/097157
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English (en)
Chinese (zh)
Inventor
伍鹏飞
Original Assignee
深圳市锐丽科技有限公司
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Priority to PCT/CN2020/097157 priority Critical patent/WO2021253418A1/fr
Publication of WO2021253418A1 publication Critical patent/WO2021253418A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the present disclosure belongs to the field of electronic cigarettes, and in particular relates to an electronic cigarette vaporizer based on heat generated by porous electric heating materials and applications thereof.
  • the basic components of electronic cigarettes are atomizer, control circuit, power supply circuit and battery.
  • the atomizer includes an oil storage bin, an air flow channel and an atomizing core.
  • the oil storage bin is equipped with e-liquid
  • the atomization core includes an oil guide body and a heating wire.
  • the oil guide body absorbs the e-liquid in the oil storage bin through the oil inlet hole, and the e-liquid in the oil storage bin continuously flows into the oil guide through the oil inlet hole
  • the heating wire heats and atomizes the smoke oil that has been absorbed in the oil guide body, and the atomized aerosol flows along the aerosol channel to the air outlet for people to inhale. As technology advances, every component is continuously improved and perfected.
  • the atomizer the core component of the electronic cigarette
  • structures such as glass fiber rope, cotton core and microporous ceramics.
  • electronic cigarette products still have technical problems such as oil leakage (condensate leakage) and low energy utilization.
  • the current electronic cigarette vaporizers on the market are separated from the heating body and the oil guide body.
  • the heating circuit made of metal heating wire, metal foil or thick film printed circuit is a solid heating element. The specific surface area of the heating element is small. Only the outermost surface of the heating circuit is in contact with the smoke oil. From a microscopic point of view, the inside of the heating circuit body None of them are in full contact with the e-liquid, and the area of the heating element on the outer surface that contacts the e-liquid is small. Most of the heat generated during work will be transferred to the porous material, and then the porous material will generate heat and atomize the e-liquid. The heat passes through 2 In the second pass, most of it is lost, and more useless work is generated, resulting in low atomization efficiency.
  • the condensed smoke oil is not recovered and flows out from the air flow channel.
  • the air pressure in the oil storage cavity is higher than that of the outside.
  • one of the main purposes of the present disclosure is to propose an electronic cigarette vaporizer based on porous electric heating material and its application.
  • an electronic cigarette vaporizer including:
  • Shell which has a hollow structure
  • the base is set inside the shell, and the air inlet is provided on it;
  • Microporous oil guide and oil storage element inside of which forms an atomizing cavity
  • the e-liquid cavity is arranged between the inner wall of the housing and the microporous oil-conducting and storage element to provide e-liquid for the microporous oil-conducting and storage element;
  • the porous electric heating element is arranged on the microporous oil-conducting and oil-storing element.
  • the suction pipe is arranged above the microporous oil guide and oil storage element.
  • an application of the electronic cigarette atomizer as described above in the field of electronic cigarettes is also provided.
  • Fig. 1 is a schematic diagram of the structure of an electronic cigarette atomizer in an embodiment of the present disclosure
  • Fig. 2 is a schematic cross-sectional structure diagram at A-A in Fig. 1;
  • Fig. 3 is an electron micrograph of a porous electric heating element in an embodiment of the present disclosure.
  • 10-shell 20-base; 21-air inlet; 22-oil pipe; 23-electrode lead; 30-porous electric heating element; 40-porous oil storage and guiding element; 50-smoke oil cavity; 60-atomization Cavity; 70-suction tube; 80-air flow channel; 110-metal fiber; 120-pore.
  • the present disclosure discloses an electronic cigarette vaporizer based on heat generated by porous electric heating materials and its application, including:
  • Shell which has a hollow structure
  • the base is set inside the shell, and the air inlet is provided on it;
  • Microporous oil guide and oil storage element inside of which forms an atomizing cavity
  • the e-liquid cavity is arranged between the inner wall of the housing and the microporous oil-conducting and storage element to provide e-liquid for the microporous oil-conducting and storage element;
  • the porous electric heating element is arranged on the microporous oil-conducting and oil-storing element.
  • the suction pipe is arranged above the microporous oil guide and oil storage element.
  • the air inlet, the atomization cavity, and the suction tube form a connected air flow channel; the air flow channel and the porous electric heating element are crossed, and the air flow penetrates the porous electric heating element to form smoke aerosol ;
  • the air inlet hole, the atomization cavity, and the suction pipe are located on the same straight line.
  • the material used for the porous electric heating element is a porous electric heating material
  • the porosity of the porous electric heating material is 40% to 95%, and the pore diameter is 3 to 100 microns; the pores of the porous electric heating material are through holes.
  • the thickness of the porous electric heating element is 0.1 to 3 mm;
  • the shape of the porous electric heating element includes a cross structure.
  • the materials used for the porous electric heating element include stainless steel metal fiber, iron-chromium-aluminum metal fiber, titanium-nickel metal fiber, nickel metal fiber, Hastelloy fiber, microporous nickel foam, porous At least one of titanium or porous conductive ceramics.
  • the base is provided with an oil containing pipe that prevents condensate from flowing out of the air inlet;
  • the height of the oil containing pipe is 1 to 3 mm.
  • one or more vent holes are provided on the base
  • the diameter of the vent is 0.3 to 3 mm;
  • the material used for the base includes any one of alumina, zirconia, silicon carbide, polyether ether ketone, polyimide, polytetrafluoroethylene, or silica gel;
  • electrode holes are provided on the base.
  • the material used in the microporous oil guiding and storage element includes a microporous ceramic material
  • the porosity of the microporous ceramic material is 40% to 60%, and the pore diameter is 3 to 100 microns.
  • the resistance between the two electrode pins of the electronic cigarette atomizer is 0.1 to 10 ohms
  • the atomization body in the e-liquid cavity includes a liquid state, a paste shape, or a gel state.
  • the present disclosure also discloses the application of the electronic cigarette atomizer as described above in the field of electronic cigarettes.
  • this embodiment discloses an electronic cigarette vaporizer based on porous electric heating materials for heating, including: a housing 10, a base 20, a porous electric heating element 30 with a porous structure, and a microporous oil-conducting oil storage device.
  • the element 40, the air inlet 21, the e-liquid cavity 50, the atomization cavity 60, and the suction pipe 70 pass through the porous electric heating element 30 that generates heat through convective air to heat and atomize the target liquid to produce smoke aerosol;
  • the porous electric heating element 30 is supplied with liquid externally by the microporous oil-conducting oil storage element 40 covering the outside of the porous electric heating element 30, and condensate is recovered.
  • the air inlet 21, the atomization cavity 60 and the suction pipe 70 constitute an air flow channel 80, and the air flow directly passes through the atomization heating surface.
  • the material used for the base 20 is a food contact grade structural ceramic material, such as alumina, zirconia, silicon carbide, etc., made of single or composite oxide or polymer heat-resistant materials such as polyether ether ketone PEEK, polyimide PI, and polytetrafluoroethylene Ethylene, silica gel, etc.
  • the electrode lead 23 passes through the electrode hole.
  • the height of the oil-containing pipe 22 is 1 mm to 3 mm. This oil-containing pipe 22 can effectively prevent condensate from flowing out of the cartridge from the air inlet 21.
  • the porous electric heating element 30 is a porous electric heating conductive material, including at least one of stainless steel metal fiber, iron-chromium-aluminum metal fiber, titanium-nickel metal fiber, nickel metal fiber, Hastelloy fiber, microporous nickel foam, porous titanium or porous conductive ceramic A sort of.
  • the pore diameter of the porous electrothermal conductive material is between 3 microns and 100 microns, preferably between 5 microns and 50 microns; the thickness is 0.1 to 3 mm; the porosity ranges from 40% to 95%; the micropores of the porous electrothermal material are through holes .
  • the resistance range between the two electrode pins of the electronic cigarette atomizer is 0.1 ohm to 10 ohm, preferably 0.6 ohm to 2.0 ohm.
  • the heating element can also conduct oil.
  • the e-liquid fills the pores in the heating body, thereby increasing the sufficient specific surface area of the heating element and the e-liquid, shortening the atomization heat transfer path, and making the heat concentrated for atomization Smoke oil improves thermal efficiency.
  • the porous electric heating element has a large specific surface area, and the target liquid fills the pores in the heating element.
  • the shape is preferentially designed with a "cross" shape. Any symmetrical two ends can be connected to the positive and negative electrodes of the circuit. During operation, the heating element can directly transfer heat to the atomized target liquid, and the target liquid can be quickly atomized.
  • the internal pores can also be used. Oil storage and transportation.
  • the two ends of the symmetry are responsible for conducting heat to the outer porous material with its porous form, and the thermal gradient generated by electric heating is used to transport oil from the low-temperature area of the periphery to the central heating area, and constantly replenish the target liquid that is heated and evaporated.
  • the oil-conducting and oil-storing element 40 is a microporous material.
  • the microporous material stores and conducts oil through the micropores, and at the same time fixes the porous electric heating element 30.
  • the oil guide and oil storage element 40 is connected with the air flow channel, and the oil storage cavity 50 is connected to the outside through the micropores, and the condensed reflux liquid in the suction pipe can be recovered through the microporous material.
  • the oil guide and oil storage element 40 is connected to the suction pipe 70 to connect to the outside, and can balance the air pressure through the micropores of the microporous material, and prevent oil leakage caused by the pressure difference between the internal and the external.
  • the base 20 is also provided with an oil containing pipe 22 to prevent the condensate from flowing out of the air inlet.
  • the heat generated by the porous electric heating element 30 heats the microporous material of the oil-conducting oil storage element 40.
  • the microporous material transfers the heat to the outer e-liquid or paste-like or gel-like substance, and the outer periphery of the microporous material After the substance is heated, the viscosity of the liquid is reduced, and a thermal gradient is formed, resulting in the Marangoni Effect.
  • the liquid e-liquid will gradually flow from the low temperature zone to the high temperature zone through the tiny pores in the microporous material. Until the smoke oil in the oil tank is completely consumed.
  • the oil guide and storage element 40 includes, but is not limited to, microporous ceramic materials, organic cotton and linen, natural or artificial porous materials, and the like.
  • the microporous ceramic material is prepared by using high-quality raw materials such as zirconia, alumina, silicon carbide, etc. as main materials, using open-pore pore formers (ceramic fiber materials, etc.) or powder raw materials through molding and a special high-temperature sintering process.
  • a kind of microporous ceramic material with open pore diameter and high open porosity ranges from 3 microns to 100 microns.
  • the porosity of the microporous ceramic material ranges from 40% to 60%.
  • the porous electric heating element 30 is fixed on the ceramic base 20, and the positive and negative electrodes of the power supply are connected through a circuit to form a current loop.
  • the porous electric heating element 30 generates electric heat by itself, and the temperature rises rapidly to become a heating element.
  • the high temperature generated by the porous electric heating element 30 forms a thermal gradient in the heating atomization structure, and the e-liquid flows along the thermal gradient from the low temperature area of the microporous material close to the surface of the porous heating element to the high temperature area, continuously supplementing the porous electric heating Inside the heating element.
  • the convective air penetrates the porous electric heating element 30 to evaporate the e-liquid in the pores of the porous electric heating element 30 to form electronic smoke.
  • the electronic cigarette circulates in the channel formed by the microporous material of the oil guiding and storage element 40, and the condensate formed by the relatively large diameter smoke aerosol particles will adhere to the surface of the microporous material.
  • the capillary force generated is absorbed and recovered inside the microporous material.
  • the target atomizer of the present disclosure is stored in the e-liquid cavity 50 and is liquid, paste or gel. It can not only atomize the liquid electronic cigarette solution, but also atomize the paste-like plant extracts and extracts, and is aimed at the human body. Physiologically, medicinal solutions and pastes that can produce regulating or therapeutic effects.
  • the electronic cigarette vaporizer based on porous electric heating material and its application in the present disclosure has at least one of the following advantages over the prior art:
  • the porous electric heating element of the present disclosure can not only atomize but also conduct oil, which improves the efficiency of atomization;
  • the porous oil storage and oil guiding element is used to fix the electrothermal atomization element, and it has the function of oil storage and supplementary oil guiding. It can also recover the smoke oil condensate in the airflow channel through the capillary force generated by the micropores to balance the oil storage cavity Air pressure
  • the present disclosure can not only atomize e-liquid, but also atomize paste-like objects;
  • the oil containing pipe of the present disclosure can effectively prevent condensate from flowing out of the cartridge from the air inlet.

Abstract

Un atomiseur de cigarette électronique basé sur un chauffage d'un matériau chauffant électrique poreux et son utilisation sont divulgués. L'atomiseur de cigarette électronique comprend : un boîtier (10) qui présente une structure creuse ; une base (20) qui est disposée à l'intérieur du boîtier (10), une entrée d'air (21) étant disposée dans la base ; un élément microporeux de guidage et de stockage de e-liquide (40), une cavité d'atomisation (60) étant disposée à l'intérieur de l'élément microporeux de guidage et de stockage de e-liquide ; une cavité de e-liquide (50) qui est disposée entre la paroi interne du boîtier (10) et l'élément microporeux de guidage et de stockage de e-liquide (40) et qui est utilisée pour fournir un e-liquide pour l'élément microporeux de guidage et de stockage de e-liquide (40) ; un corps de chauffage électrique poreux (30) qui est disposé sur l'élément microporeux de guidage et de stockage de e-liquide (40) ; et un tuyau d'aspiration d'air (70) qui est disposé au-dessus de l'élément microporeux de guidage et de stockage de e-liquide (40). Le corps de chauffage électrique poreux (30) peut atomiser et guider le e-liquide, de telle sorte que l'efficacité d'atomisation soit améliorée ; et l'élément microporeux de guidage et de stockage de e-liquide (40) est utilisé pour fixer un élément d'atomisation à chauffage électrique, possède les fonctions de stockage de e-liquide et de supplémentation et de guidage de e-liquide, et peut récupérer le condensat de e-liquide dans un canal d'écoulement d'air au moyen d'une force capillaire générée par des micropores, de façon à équilibrer la pression d'air d'une cavité de stockage de e-liquide, et un tuyau de réception de e-liquide peut empêcher efficacement un condensat de s'écouler hors d'une cartouche par l'entrée d'air (21).
PCT/CN2020/097157 2020-06-19 2020-06-19 Atomiseur de cigarette électronique basé sur le chauffage d'un matériau chauffant électrique poreux, et son utilisation WO2021253418A1 (fr)

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PCT/CN2020/097157 WO2021253418A1 (fr) 2020-06-19 2020-06-19 Atomiseur de cigarette électronique basé sur le chauffage d'un matériau chauffant électrique poreux, et son utilisation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024027354A1 (fr) * 2022-08-04 2024-02-08 常州市派腾电子技术服务有限公司 Noyau d'atomisation, atomiseur, dispositif de génération d'aérosol et procédé de préparation de noyau d'atomisation

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Publication number Priority date Publication date Assignee Title
WO2013034453A1 (fr) * 2011-09-06 2013-03-14 British American Tobacco (Investments) Limited Chauffage d'une substance destinée à un fumeur
US20150359262A1 (en) * 2014-06-16 2015-12-17 Shenzhen Smoore Technology Limited Preparation method of porous ceramic, porous ceramic, and electronic cigarette
WO2017066955A1 (fr) * 2015-10-22 2017-04-27 深圳麦克韦尔股份有限公司 Cigarette électronique et ensemble d'atomisation et élément d'atomisation de cette dernière
CN108030150A (zh) * 2017-12-14 2018-05-15 深圳市卓力能电子有限公司 一种电子烟发热丝导油安装结构
CN109549254A (zh) * 2019-01-04 2019-04-02 新化县鹏磊电子陶瓷器材科技有限责任公司 一种全陶瓷的电子烟雾化器及制作方法
CN109619685A (zh) * 2018-12-27 2019-04-16 深圳市赛尔美电子科技有限公司 一种雾化芯、雾化器及电子烟
CN209711529U (zh) * 2018-12-25 2019-12-03 新化县新园电子陶瓷有限公司 雾化芯及电子烟

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013034453A1 (fr) * 2011-09-06 2013-03-14 British American Tobacco (Investments) Limited Chauffage d'une substance destinée à un fumeur
US20150359262A1 (en) * 2014-06-16 2015-12-17 Shenzhen Smoore Technology Limited Preparation method of porous ceramic, porous ceramic, and electronic cigarette
WO2017066955A1 (fr) * 2015-10-22 2017-04-27 深圳麦克韦尔股份有限公司 Cigarette électronique et ensemble d'atomisation et élément d'atomisation de cette dernière
CN108030150A (zh) * 2017-12-14 2018-05-15 深圳市卓力能电子有限公司 一种电子烟发热丝导油安装结构
CN209711529U (zh) * 2018-12-25 2019-12-03 新化县新园电子陶瓷有限公司 雾化芯及电子烟
CN109619685A (zh) * 2018-12-27 2019-04-16 深圳市赛尔美电子科技有限公司 一种雾化芯、雾化器及电子烟
CN109549254A (zh) * 2019-01-04 2019-04-02 新化县鹏磊电子陶瓷器材科技有限责任公司 一种全陶瓷的电子烟雾化器及制作方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024027354A1 (fr) * 2022-08-04 2024-02-08 常州市派腾电子技术服务有限公司 Noyau d'atomisation, atomiseur, dispositif de génération d'aérosol et procédé de préparation de noyau d'atomisation

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