WO2022048568A1 - Dispositif de génération d'aérosol et dispositif de chauffage résistif - Google Patents

Dispositif de génération d'aérosol et dispositif de chauffage résistif Download PDF

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Publication number
WO2022048568A1
WO2022048568A1 PCT/CN2021/116029 CN2021116029W WO2022048568A1 WO 2022048568 A1 WO2022048568 A1 WO 2022048568A1 CN 2021116029 W CN2021116029 W CN 2021116029W WO 2022048568 A1 WO2022048568 A1 WO 2022048568A1
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WO
WIPO (PCT)
Prior art keywords
aerosol
heating elements
generating device
resistance heating
base body
Prior art date
Application number
PCT/CN2021/116029
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English (en)
Chinese (zh)
Inventor
武建
严冬君
胡瑞龙
陈伟
雷宝灵
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
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Publication date
Application filed by 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Publication of WO2022048568A1 publication Critical patent/WO2022048568A1/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
    • 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
    • A24F40/46—Shape or structure of electric 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
    • A24F40/20—Devices using solid 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
    • 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 embodiments of the present application relate to the technical field of smoking articles, and in particular, to an aerosol generating device and a resistance heater.
  • Smoking articles such as cigarettes and cigars burn tobacco to produce smoke during use. Attempts have been made to provide alternatives to these tobacco-burning articles by creating products that release compounds without burning. Examples of such products are so-called heat-not-burn products, which release compounds by heating tobacco rather than burning it.
  • a resistance heating element is mainly arranged on the outer surface of the base body, and the cigarette is heated by conducting heat through the base body.
  • the problems of the smoking set are that the heating rate is slow, the heating is uneven, and the energy utilization rate is not high.
  • the present application provides an aerosol generating device and a resistance heater, which aim to solve the problem of low energy utilization rate in existing smoking tools.
  • an aerosol-generating device for heating an aerosol-forming substrate to generate an aerosol for inhalation; comprising a chamber for receiving the aerosol-forming substrate, at least one resistive heater, and a the power supply for the above-mentioned resistance heater;
  • the resistive heater includes:
  • a base body which has an opposite first surface and a second surface; the first surface is disposed adjacent to the chamber;
  • each resistance heating element is at least partially disposed on the first surface, and adjacent resistance heating elements are kept at intervals; the plurality of resistance heating elements are sequentially connected in series and then coupled to the power supply between the positive and negative poles.
  • a resistive heater for an aerosol-generating device comprising a chamber for receiving an aerosol-forming substrate and a power source for powering the resistive heater;
  • the resistive heater includes:
  • a base body which has an opposite first surface and a second surface; the first surface is disposed adjacent to the chamber;
  • each resistance heating element is at least partially disposed on the first surface, and adjacent resistance heating elements are kept at intervals; the plurality of resistance heating elements are sequentially connected in series and then coupled to the power supply between the positive and negative poles.
  • the heat generated by the resistance heating elements can be directly conducted to heat the aerosol to form the substrate; the heating rate is fast, and the heating More uniform, high energy utilization.
  • FIG. 1 is a schematic diagram of an aerosol generating device provided by an embodiment of the present application.
  • FIG. 2 is a schematic exploded view of an aerosol generating device provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a resistance heater provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of the resistance heater provided by an embodiment of the present application after the substrate and conductive pins are removed;
  • FIG. 5 is a schematic diagram of a substrate in a resistance heater provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a resistance heating element in the resistance heater provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of another resistance heater provided by an embodiment of the present application.
  • FIGS. 1-2 show an aerosol generating device 100 provided by an embodiment of the present application.
  • the aerosol generating device 100 includes a housing 6 and a resistance heater 10.
  • the resistance heater 10 (only the resistance is shown in FIG. 2 )
  • the base body 11 ) of the heater is arranged in the housing 6 .
  • the casing 6 includes a casing 61, a fixed casing 62, a base and a bottom cover 64.
  • the fixed casing 62 and the base are both fixed in the casing 61, wherein the base is used to fix the base 11, the base is arranged in the fixed casing 62, and the bottom is
  • the cover 64 is disposed on one end of the casing 61 and covers the casing 61 .
  • the base includes a base 15 sleeved on the first end A of the base body 11 and a base 16 sleeved at the second end B of the base body 11 , the base 15 and the base 16 are both provided in the fixed shell 62
  • the bottom cover 64 is protruded with an air intake pipe 641, the end of the base 16 away from the base 15 is connected to the air intake pipe 641, the base 15, the base body 11, the base 16 and the air intake pipe 641 are coaxially arranged, and the base body 11 and the base
  • the seat 15 and the base 16 can be sealedly connected by a sealing member, and the base 16 and the air intake pipe 641 can also be sealedly connected, and the air intake pipe 641 is communicated with the outside air so that the user can take in air smoothly.
  • the aerosol generating device 100 further includes a control circuit board 3 and a power source 7, and the power source 7 can be selected from a rechargeable battery or a non-rechargeable battery.
  • the power source 7 is a rechargeable battery.
  • the fixed shell 62 includes a front shell 621 and a rear shell 622, the front shell 621 is fixedly connected with the rear shell 622, the control circuit board 3 and the power supply 7 are both arranged in the fixed shell 62, the power supply 7 is electrically connected with the control circuit board 3, and the button 4 is convex. Set on the housing 61, by pressing the button 4, the electric resistance heating element located on the surface of the base body 11 can be energized or de-energized.
  • the control circuit board 3 is also connected to a charging interface 31 , which is exposed on the bottom cover 64 , and the user can charge or upgrade the aerosol generating device 100 through the charging interface 31 to ensure the continuous use of the aerosol generating device 100 .
  • the aerosol generating device 100 further includes a thermal insulation tube 17, the thermal insulation tube 17 is arranged in the fixed shell 62, and the thermal insulation tube 17 is arranged on the periphery of the base body 11.
  • the thermal insulation tube 17 can prevent a large amount of heat from being transferred to the outer shell 61 and caused by Users feel hot.
  • the heat insulating pipe 17 includes heat insulating material, and the heat insulating material may be heat insulating glue, aerogel, aerogel felt, asbestos, aluminum silicate, calcium silicate, diatomaceous earth, zirconia and the like.
  • the thermal insulation tube 17 may also be a vacuum thermal insulation tube.
  • the aerosol generating device 100 further includes a temperature sensor 2, such as an NTC temperature sensor, a thermocouple or a sensor with a temperature coefficient of resistance, the temperature sensor 2 is used to detect the real-time temperature of the resistance heater 10 and transmit the detected real-time temperature to the control circuit Board 3, the control circuit board 3 adjusts the magnitude of the current flowing through the resistance heating element according to the real-time temperature.
  • a temperature sensor 2 such as an NTC temperature sensor, a thermocouple or a sensor with a temperature coefficient of resistance
  • the temperature sensor 2 is used to detect the real-time temperature of the resistance heater 10 and transmit the detected real-time temperature to the control circuit Board 3, the control circuit board 3 adjusts the magnitude of the current flowing through the resistance heating element according to the real-time temperature.
  • the control circuit board 3 controls the power supply 7 to output a higher voltage to the resistance
  • the heater 10 further increases the current fed into the resistance heating element, increases the heating power of the aerosol-forming substrate, and reduces the waiting time for the user to take the first puff.
  • the control circuit board 3 controls the power supply 7 to output a normal voltage to the resistance heater 10 .
  • the temperature of the resistance heater 10 detected by the temperature sensor 2 is between 200° C.
  • the control circuit board 3 controls the power supply 7 to output a lower voltage to the resistance heater 10 .
  • the control circuit board 3 controls the power supply 7 to stop outputting voltage to the resistance heater 10 .
  • resistance heater 10 provided by the embodiment of the present application, and the resistance heater 10 includes:
  • the base body 11 has an opposite first surface and a second surface; the first surface is disposed adjacent to the chamber; the chamber is used to receive the aerosol-forming substrate.
  • the base body 11 is configured as a tubular shape extending along the axial direction of the chamber and surrounding the chamber, and the base body 11 includes a first end (or proximal end) A and a second end (or The distal end) B, extending on the surface between the first end A and the second end B, the inner surface of the base body 11 forms the first surface, and the outer surface of the base body 11 forms the second surface.
  • the base body 11 may be cylindrical, prismatic or other cylindrical, or non-cylindrical (eg, plate-like).
  • the base body 11 is preferably in the shape of a cylinder, and the cylinder-shaped hole passing through the middle of the base body 11 forms at least a part of the chamber, and the inner diameter of the hole is slightly larger than the outer diameter of the aerosol-forming product, which is convenient for placing the aerosol-forming product in the chamber. heating.
  • the base body 11 can be made of materials such as ceramics, glass, etc., or can be made of a metal tube with surface insulation treatment, such as an aluminum tube with surface oxidation treatment.
  • An aerosol-forming substrate is a substrate capable of releasing aerosol-forming volatile compounds. Such volatile compounds can be released by heating the aerosol-forming matrix. Aerosol-forming substrates can be solid or liquid or include solid and liquid components. The aerosol-forming substrate can be adsorbed, coated, impregnated, or otherwise loaded onto a carrier or support. The aerosol-forming substrate may conveniently be part of an aerosol-generating article.
  • the aerosol-forming matrix may include nicotine.
  • the aerosol-forming substrate may include tobacco, for example, may include a tobacco-containing material containing volatile tobacco flavor compounds that are released from the aerosol-forming substrate when heated.
  • Preferred aerosol-forming substrates may include homogenized tobacco material, such as deciduous tobacco.
  • the aerosol-forming substrate may comprise at least one aerosol-forming agent, which may be any suitable known compound or mixture of compounds which, in use, facilitates the formation of dense and stable aerosols. formed and is substantially resistant to thermal degradation at the operating temperature of the aerosol-generating system.
  • Suitable aerosol formers are well known in the art and include, but are not limited to: polyols such as triethylene glycol, 1,3-butanediol and glycerol; esters of polyols such as glycerol mono-, di- or triacetate ; and fatty acid esters of mono-, di- or polycarboxylic acids, such as dimethyldodecanedioate and dimethyltetradecanedioate.
  • Preferred aerosol formers are polyhydric alcohols or mixtures thereof, such as triethylene glycol, 1,3-butanediol and most preferably glycerol.
  • a plurality of resistance heating elements 12, each resistance heating element 12 is at least partially disposed on the first surface, and the adjacent resistance heating elements 12 are spaced apart; the plurality of resistance heating elements 12 are sequentially connected in series and then coupled Between the positive and negative electrodes of the power source 7 , and a plurality of resistance heating elements 12 extend along the axial direction of the base body 11 .
  • a plurality of resistance heating elements 12 can be partially embedded in the base body 11 , so that a part of the surface of the resistance heating elements 12 is exposed in the cavity of the heating body, for example, the resistance heating elements 12 are integrally sintered with the base body 11 of ceramic material.
  • the resistive heating element 12 embedded in the base body 11 forms an integral continuous surface with the inner surface of the base body 11, which is advantageous for the aerosol-forming substrate (such as a tobacco product) to maintain good contact with the inner surface of the base body 11.
  • the resistance heater 10 includes four resistance heating elements 12 , and adjacent resistance heating elements 12 are separated by a gap 112 .
  • the number of the resistance heating elements 12 is not limited herein.
  • the gap 112 can be filled with insulating material or the surface of the resistance heating elements 12 can be insulated.
  • adjacent resistance heating elements 12 may be connected in series through electrical connectors 13 , as shown in FIG. 4 , four resistance heating elements 12 are connected in series through three electrical connectors 13 .
  • the resistance of the resistance heating element 12 is relatively small.
  • the resistance heating material can be prepared, such as: nickel, chromium and its alloys and so on.
  • the electrical connector 13 can be made of materials with better electrical conductivity, such as silver, gold, copper, nickel and other metal materials. Further, the electrical connector 13 and the four resistance heating elements 12 can be integrally formed.
  • the four resistive heating elements 12 are sequentially connected in series and then coupled between the positive and negative electrodes of the power supply 7 through the conductive pins 14.
  • the conductive pins 14 include a first conductive pin 141 and a second conductive pin 141.
  • Pin 142 after the four resistive heating elements 12 are connected in series in sequence, the first and last two resistive heating elements 12 are respectively coupled between the positive and negative electrodes of the power supply 7 through the first conductive pin 141 and the second conductive pin 142.
  • connection points (or welding points) of the two resistance heating elements 12 at the end and the first conductive pin 141 and the second conductive pin 142 are both arranged on the second surface and at the same end of the base body 11, which is convenient for Coupling the power supply 7 shortens the circuit path; on the other hand, it can prevent the connection point from being heated and falling off, resulting in the instability of the coupling power supply 7 .
  • a part of the heat generated by the resistance heating element 12 can be directly conducted to the aerosol-forming substrate, and the other part is rapidly and uniformly distributed to the circumference of the aerosol-forming substrate through the substrate 11, so as to quickly realize the aerosol-forming substrate.
  • the formation of matrix heating improve the utilization of energy.
  • the connection points (or welding points) of the two resistance heating elements 12 at the end and the first conductive pin 141 and the second conductive pin 142 are arranged at different ends of the base body 11 .
  • the resistance heating element 12 includes a heating part 121 and at least one holding part 122 ; the heating part 121 is disposed on the inner surface of the base body 11 and extends along the axial direction of the base body 11 , and the holding part 122 is configured to hold one end of the heating portion 121 on the end wall of the base body 11 .
  • the holding portion 122 extends from one end of the heating portion 121 in the radial direction of the base body 11 , and is then bent and closely adhered to the outer surface of the base body 11 .
  • the electrical connector 13 connects the holding portion 122 of the adjacent resistance heating element 12 It is connected in series and provided between the holding portion 122 and the outer surface of the base body 11 .
  • the resistance heating element 12 is provided with two holding parts 122 , and the two holding parts 122 hold both ends of the heating part 121 on the two end walls of the base body 11 , respectively.
  • the arrangement of the holding portion 122 can ensure that the heating portion 121 closely adheres to the inner surface of the base body 11 .
  • the end wall of the base body 11 also has a limiting portion 111 .
  • the limiting portion 111 is formed by a recess of part of the end wall of the base body 11 , and the holding portion 122 passes through the limiting portion 111 along the direction of the base body 11 . Extends in radial direction.
  • the limiting portion 111 has a certain limiting position on the holding portion 122 , which can better ensure that the heating portion 121 is in close contact with the inner surface of the base body 11 .
  • the resistance heater 10 may further include a fixing member for fixing the holding portion 122 and the electrical connection member 13 on the outer surface of the base body 11 .
  • the fixing member may be a heat-shrinkable tube, and the heat-shrinkable tube can fix the holding portion 122 and the electrical connection member 13 on the outer surface of the base body 11 after being heated.
  • the electrical connecting member 13 can also be disposed on the first surface, or the electrical A part of the connector 13 is arranged on the first surface, and the other part is arranged on the second surface, that is, across the end wall of the base body 11; It is also possible that the connection points of the feet 142 may be provided on the first surface.
  • FIG. 7 is another resistance heater 20 provided by an embodiment of the present application.
  • the resistance heater 20 includes the resistance heater 21 and the resistance heater formed on the same base 25 .
  • the resistance heater 22, the resistance heater 21 and the resistance heater 22 are arranged along the axial direction of the base body 25; the four resistance heating elements in the resistance heater 21 are sequentially connected in series and then coupled to the power supply 7 through the conductive pins 23.
  • the conductive pins 23 include a first conductive pin 231 and a second conductive pin 232; the four resistance heating elements in the resistance heater 22 are sequentially connected in series and then coupled to the power supply 7 through the conductive pins 24
  • the conductive pins 24 include a first conductive pin 241 and a second conductive pin 242; the base body 25 has a plurality of through holes through which the holding part of the resistance heating element can be bent and then tightened. Attached to the outer surface of the base 25; through the conductive pins 23 and 24, the resistance heater 21 and the resistance heater 22 can be controlled to start independently to heat different parts of the aerosol-forming matrix, thereby realizing segmentation heating.
  • resistive heater 21 and the resistive heater 22 are formed on different substrates.

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  • Resistance Heating (AREA)

Abstract

La présente invention appartient au domaine des ensembles à fumer et concerne un dispositif de génération d'aérosol et un dispositif de chauffage résistif. Le dispositif de génération d'aérosol comprend une chambre destinée à recevoir un substrat de formation d'aérosol, au moins un dispositif de chauffage résistif, et une source d'alimentation destinée à alimenter le dispositif de chauffage résistif. Le dispositif de chauffage résistif comprend : un corps de base ayant une première surface et une seconde surface opposées l'une à l'autre, la première surface étant disposée à côté de la chambre ; et une pluralité d'éléments chauffants résistifs, chaque élément chauffant résistif étant au moins partiellement disposé sur la première surface, les éléments chauffants résistifs adjacents sont espacés les uns des autres, et la pluralité d'éléments chauffants résistifs sont séquentiellement connectés en série puis accouplés entre une électrode positive et une électrode négative de la source d'alimentation. Selon la présente invention, au moyen de la pluralité d'éléments chauffants résistifs disposés sur la première surface du corps de base à des intervalles, la chaleur générée par les éléments chauffants résistifs peut être directement transférée pour chauffer le substrat de formation d'aérosol, ce qui permet d'obtenir une vitesse de chauffage élevée, un chauffage uniforme et un taux d'utilisation d'énergie élevé.
PCT/CN2021/116029 2020-09-01 2021-09-01 Dispositif de génération d'aérosol et dispositif de chauffage résistif WO2022048568A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010904219.X 2020-09-01
CN202010904219.XA CN114098167A (zh) 2020-09-01 2020-09-01 气溶胶生成装置以及电阻加热器

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WO2022048568A1 true WO2022048568A1 (fr) 2022-03-10

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104770894A (zh) * 2015-03-13 2015-07-15 云南中烟工业有限责任公司 烟雾发生器及烟雾吸取装置
CN104770893A (zh) * 2015-03-13 2015-07-15 云南中烟工业有限责任公司 一种烟雾发生器的组装方法
KR102029225B1 (ko) * 2018-03-30 2019-10-08 (주)케이엔씨 궐련형 전자담배 가열기기용 세라믹히터 및 이의 제조방법
CN209660448U (zh) * 2018-12-19 2019-11-22 深圳烟草工业有限责任公司 一种间隔加热式烟具
CN209788480U (zh) * 2019-01-26 2019-12-17 深圳市合元科技有限公司 烟支加热组件及电加热吸烟装置
CN213587433U (zh) * 2020-09-01 2021-07-02 深圳市合元科技有限公司 气溶胶生成装置以及电阻加热器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104770894A (zh) * 2015-03-13 2015-07-15 云南中烟工业有限责任公司 烟雾发生器及烟雾吸取装置
CN104770893A (zh) * 2015-03-13 2015-07-15 云南中烟工业有限责任公司 一种烟雾发生器的组装方法
KR102029225B1 (ko) * 2018-03-30 2019-10-08 (주)케이엔씨 궐련형 전자담배 가열기기용 세라믹히터 및 이의 제조방법
CN209660448U (zh) * 2018-12-19 2019-11-22 深圳烟草工业有限责任公司 一种间隔加热式烟具
CN209788480U (zh) * 2019-01-26 2019-12-17 深圳市合元科技有限公司 烟支加热组件及电加热吸烟装置
CN213587433U (zh) * 2020-09-01 2021-07-02 深圳市合元科技有限公司 气溶胶生成装置以及电阻加热器

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