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EP4218441B1 - Dispositif de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol

Info

Publication number
EP4218441B1
EP4218441B1 EP21871602.5A EP21871602A EP4218441B1 EP 4218441 B1 EP4218441 B1 EP 4218441B1 EP 21871602 A EP21871602 A EP 21871602A EP 4218441 B1 EP4218441 B1 EP 4218441B1
Authority
EP
European Patent Office
Prior art keywords
protrusions
aerosol
cavity
support member
generation device
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.)
Active
Application number
EP21871602.5A
Other languages
German (de)
English (en)
Other versions
EP4218441A1 (fr
EP4218441A4 (fr
Inventor
Zhiming LU
Ruilong HU
Zhongli XU
Yonghai LI
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.)
Shenzhen FirstUnion Technology Co Ltd
Original Assignee
Shenzhen FirstUnion Technology 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
Application filed by Shenzhen FirstUnion Technology Co Ltd filed Critical Shenzhen FirstUnion Technology Co Ltd
Publication of EP4218441A1 publication Critical patent/EP4218441A1/fr
Publication of EP4218441A4 publication Critical patent/EP4218441A4/fr
Application granted granted Critical
Publication of EP4218441B1 publication Critical patent/EP4218441B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A24F40/40—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
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures

Definitions

  • This application relates to the field of heat-not-burn cigarette device technologies, and in particular, to an aerosol generation device.
  • Tobacco products (such as cigarettes and cigars) burn tobacco during use to produce tobacco smoke. Attempts are made to replace these tobacco-burning products by manufacturing products that release compounds without being burnt.
  • an example of this type of products is a heating device that releases compounds by heating rather than burning materials.
  • the material may be tobacco or other non-tobacco products, where the non-tobacco products may or may not contain nicotine.
  • a size of an inner diameter of a receiving cavity is usually slightly greater than an outer diameter of the tobacco products.
  • US 2020154765 A1 discloses an aerosol generating device which includes: a hollow casing comprising a path for accommodating a cigarette, an opening open to the outside at one end of the path such that the cigarette is inserted into the opening from the outside, a through hole connected to the other end of the path, and a protrusion protruding from the path to contact a portion of an outer surface of the cigarette; and a heater having one side end portion passing through the through hole and arranged inside the path to be inserted into the cigarette accommodated in the path, the heater being configured to heat the cigarette when electricity is applied.
  • the tobacco products shake after being received in the receiving cavity, which affects heat transfer with a heater.
  • An embodiment of this application provides an aerosol generation device according to claim 1.
  • the plurality of first protrusions and the plurality of second protrusions are staggered from each other along the axial direction of the support mechanism.
  • one of the plurality of first protrusions and the plurality of second protrusions is rigid, and the other is flexible.
  • the housing is provided with a receiving hole at one end, and the aerosol-forming article is received detachably in the cavity through the receiving hole; the plurality of first protrusions are closer to the receiving hole than the plurality of second protrusions; and the plurality of first protrusions are constructed as long and thin strips extending along the axial direction of the support mechanism, and the second protrusion is constructed in a circular shape.
  • a surface of the second protrusion is provided with a long and thin slit or groove extending along the axial direction of the support mechanism.
  • the flexible support member includes an inner wall and an outer wall arranged sequentially from inside to outside along the radial direction, and a clamping cavity formed between the inner wall and the outer wall; and the rigid support member is at least partially retained in the clamping cavity.
  • the cavity includes a near end and a far end facing away from each other along the axial direction;
  • the support mechanism includes a first support member with the first protrusion and a second support member with the second protrusion; and the first support member is adjacent to the near end of the cavity, and the second support member is adjacent to the far end of the cavity.
  • the plurality of first protrusions have a surface friction coefficient different from that of the plurality of second protrusions.
  • the plurality of first protrusions and/or the plurality of second protrusions are symmetrically arranged along a central axis of the support mechanism.
  • At least a part of the surfaces of the plurality of first protrusions is constructed to be inclined, so as to provide guidance when the inhalable materials are received in the cavity.
  • the above aerosol generation device simultaneously clamps the aerosol-forming article at different heights through double-layer protrusions inside, so that the aerosol-forming article can be stably received in the aerosol generation device, and then stably transfer heat with a heater.
  • An embodiment of this application provides an aerosol generation device that heats but not burns an aerosol-forming article, such as a cigarette, so as to volatilize or release at least one component of the aerosol-forming article to form an aerosol for inhalation.
  • the aerosol generation device heats the aerosol-forming article by irradiating a far-infrared ray having a heating effect, for example, a far-infrared ray of 3 ⁇ m to 15 ⁇ m.
  • a far-infrared ray having a heating effect
  • the energy of the infrared ray is easily absorbed by the aerosol-forming article, and the aerosol-forming article is then heated to volatilize at least one volatile component to generate an aerosol for inhalation.
  • the aerosol generation device heats the aerosol-forming article by electric resistance or electromagnetic induction heating.
  • FIG. 1 and FIG. 2 A construction of the aerosol generation device according to an embodiment of this application may be shown in FIG. 1 and FIG. 2 .
  • the overall shape of the device is generally constructed into a flat cylinder shape, and an external member thereof includes:
  • FIG. 3 and FIG. 4 an internal construction of the main housing 10 is shown in FIG. 3 and FIG. 4 , including a first compartment 130 and a second compartment 140 arranged sequentially along a width direction, where the first compartment 130 is an assembling space used for installing an electronic device, such as an electric core and a circuit board (not shown in the figure), while the second compartment 140 is an assembling space used for installing and maintaining a heating mechanism.
  • the first compartment 130 is an assembling space used for installing an electronic device, such as an electric core and a circuit board (not shown in the figure)
  • the second compartment 140 is an assembling space used for installing and maintaining a heating mechanism.
  • the heating mechanism includes: a heater 30, constructed into a tubular shape, a tubular hollow being constructed as a cavity for receiving and heating the aerosol-forming article A.
  • the heater 30 is a resistance heating tube with a resistance coefficient, or a metal induction heating tube that is penetrated by a magnetic field to generate heat, or an infrared transmitter that radiates infrared rays to the aerosol-forming article A to heat the aerosol-forming article A.
  • a heat insulation mechanism 40 is used for heat insulation of the heater 30 to prevent the heat of the heater 30 from being transferred outward to other components or a surface of the main housing 10 to cause heat damage; and in the preferred implementation of FIG. 4 , the heat insulation mechanism 40 is a vacuum tube arranged around the heater 30, which conducts heat insulation through a vacuum region formed between two layers of tube walls.
  • the main housing 10 is further internally provided with: an upper support mechanism 50 and a lower support mechanism 60, respectively providing support for the heater 30 and the heat insulation mechanism 40 at upper ends and lower ends thereof.
  • the upper support mechanism 50 and the lower support mechanism 60 are both constructed into a hollow annular shape, and positioned coaxially with the heater 30.
  • An air inlet pipe 20 is positioned between the lower support mechanism 60 and the air inlet hole 121 to provide an air flow path between the air inlet hole 121 and the heater 30.
  • the air inlet pipe 20 is also used to provide support for the lower support mechanism 60, so that the lower support mechanism 60 can be stably maintained in the main housing 10.
  • the air flow is as shown by an arrow R4 in FIG. 4 .
  • FIG. 5 shows a schematic structural diagram of a preferred embodiment of the heater 30 heating by radiating infrared rays.
  • the heater 30 includes: a tubular substrate 31, an inner space of the tubular substrate 31 forming a cavity for receiving and heating the aerosol-forming article A; an infrared emission coating 32, formed on an outer surface of the tubular substrate 31, configured to radiate infrared rays to the aerosol-forming article A received in the tubular substrate 31, thereby heating the aerosol-forming article A; and an electrode coating 33, formed on the infrared emission coating 32 and conducting electricity with the infrared emission coating 32, and then connected to the positive pole/negative pole of the electric core by ways of welding pins, conductive rings and the like to supply power to the infrared emission coating 32.
  • the tubular substrate 31 is made of materials with excellent infrared transmission, such as quartz, glass, silicon carbide, ceramics, or mica.
  • the infrared emission coating 32 is preferably composed of oxides of at least one metal element, such as Mg, Al, Ti, Zr, Mn, Fe, Co, Ni, Cu, Cr, and Zn. These metal oxides can radiate far-infrared rays with heating effect when heated to an appropriate temperature.
  • a coating thickness may preferably be controlled between 30 ⁇ m to 50 ⁇ m.
  • the electrode coating 33 is made of a metal or alloy with low resistivity, such as silver, gold, palladium, platinum, copper, nickel, molybdenum, tungsten, niobium, or the above metal alloy materials.
  • the lower support mechanism 60 includes: an annular protrusion 61 extending into the heater 30, and an annular port 62 formed between the annular protrusion 61 and an outer wall of the lower support mechanism 60.
  • the aerosol-forming article A abuts against the annular protrusion 61 to provide a stop for the aerosol-forming article A.
  • the lower end of the heater 30 is inserted into the port 62 to be fixed.
  • the upper support mechanism 50 includes: a rigid support member 51 and a flexible support member 52, constructed into an annular shape, where the rigid support member 51 is usually made of hard plastic materials, such as PEEK, and an inner wall thereof is provided with several long and thin strip protrusions 511 arranged in a spaced manner along the circumferential direction thereof around the aerosol-forming article A of the cavity.
  • the long and thin strip protrusions 511 are designed to be inclined from top to bottom, so as to provide guidance for inclination during the operation in which the aerosol-forming article A passes through the rigid support member 51 when the aerosol-forming article A is received into the heater 30; and when the aerosol-forming article A is received into the cavity, the long and thin strip protrusions 511 can also clamp the aerosol-forming article A.
  • the flexible support member 52 is flexible, for example, made of silica gel, and an inner wall thereof is provided with several circular protrusions 521 arranged around the aerosol-forming article A in the cavity; and the circular protrusions 521 are roughly in a circular shape, and also clamps and fixes the received aerosol-forming article A.
  • FIG. 7 a schematic cross-sectional view of the upper support mechanism 50 after the assembly of the rigid support member 51 and the flexible support member 52 shown in FIG. 7 .
  • the long and thin strip protrusions 511 are arranged closer to the upper end, while the circular protrusions 521 are relatively farther away and closer to the lower end.
  • the highest protruding heights of the long and thin strip protrusions 511 and the circular protrusions 521 are different.
  • the protruding height of the circular protrusions 521 is slightly greater than the protruding height of the strip protrusions 511 in the structure, usually about 1 mm to 3 mm higher; and when the aerosol-forming article A is received in the cavity, the protrusions hold the aerosol-forming article A together at different axial positions with appropriate tightness, so as to keep the central axis of the aerosol-forming article A coincident with the heater 30 as much as possible.
  • the long and thin strip protrusions 511 and the circular protrusions 521 have different surface friction coefficients, which makes the resistance gradually increase during the process in which the aerosol-forming article A is received in the cavity, and can keep the received aerosol-forming article A stable without slightly shaking or falling out of the receiving hole 111 during inclined use.
  • quantities of the long and thin strip protrusions 511 and the circular protrusions 521 are both even, and are all arranged symmetrically along the central axis of the upper support mechanism 50. In this way, the aerosol-forming article A is clamped more stably.
  • the long and thin strip protrusions 511 and the circular protrusions 521 are relatively staggered along the axial direction, which is beneficial to preventing the inclination or eccentricity of the aerosol-forming article A.
  • a long and thin slit or groove 5211 extending along the length direction of the upper support mechanism 50 is arranged on the surface of the circular protrusions 521.
  • the long and thin slit or groove 5211 can reduce a contact area between the surface of the circular protrusions 521 and the aerosol-forming article A, which is beneficial to reducing the friction resistance during the movement of the aerosol-forming article A.
  • the flexible support member 52 has an inner wall 522 and an outer wall 523 arranged sequentially from inside to outside along the radial direction, and a clamping cavity 524 formed between the inner wall 522 and the outer wall 523.
  • the rigid support member 51 includes a portion 513 with a reduced thickness. During the assembly, the portion 513 with a reduced thickness of the rigid support member 51 is extended into the clamping cavity 524 and is clamped by the inner wall 522 and the outer wall 523.
  • the upper support mechanism 50 further includes a positioning mechanism, which provides positioning assistance and prevents detachment during the assembly of the rigid support member 51 and the flexible support member 52.
  • the positioning mechanism includes a groove or hole 512 formed on the portion 513 with a reduced thickness of the rigid support member 51, and correspondingly, includes a convex 525 matching the groove or hole 512 and arranged on the flexible support member 52.
  • the rigid support member 51 is provided with several extending parts 514 in a sheet shape which are located at the outermost layer along the radial direction and extend along the axial direction.
  • the surface of the extending part 514 is used to abut against the heat insulation mechanism 40, so as to be fixed with the heat insulation mechanism 40.
  • an inner wall of an upper support mechanism 50b is provided with a circular protrusion 511b; and a lower support mechanism 60b provides a stop along the axial direction for the aerosol-forming article A, and further has a protrusion 611b with an inclined surface clamping and abutting in the radial direction. Therefore, the aerosol-forming article A is supported in the radial direction at different heights respectively near the upper end and the lower end of the cavity, so as to clamp the aerosol-forming article A received in the cavity.

Landscapes

  • Resistance Heating (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Medicinal Preparation (AREA)

Claims (9)

  1. Dispositif de génération d'aérosol, configuré pour chauffer un article formant un aérosol afin de générer un aérosol pour l'inhalation, le dispositif comprenant un boîtier (10), dans lequel le boîtier (10) est intérieurement pourvu de :
    une cavité, configurée pour recevoir l'article de formation d'aérosol (A) ;
    au moins un dispositif de chauffage (30), configuré pour chauffer l'article générateur d'aérosol (A) ; et
    un mécanisme de support (50), construit pour entourer au moins une partie de la cavité, dans lequel une surface intérieure du mécanisme de support (50) est pourvue d'une pluralité de premières protubérances (511) et d'une pluralité de secondes protubérances (521) espacées le long d'une direction circonférentielle de la cavité, configurées pour fournir un support le long d'une direction radiale pour les matériaux inhalables reçus dans la cavité afin de serrer l'article de formation d'aérosol (A) reçu dans la cavité ; et les premières protubérances (511) et les secondes protubérances (521) sont disposées de manière espacée le long d'une direction axiale de la cavité ;
    caractérisé par le fait que
    le mécanisme de support (50) comprend un élément de support rigide annulaire (51) et un élément de support flexible annulaire (52) disposés coaxialement ; et
    la pluralité de premières protubérances (511) est formée sur une surface intérieure de l'élément de support rigide (51), et la pluralité de secondes protubérances (521) est formée sur une surface intérieure de l'élément de support flexible (52).
  2. Le dispositif de génération d'aérosol selon la revendication 1, dans lequel la pluralité de premières protubérances (511) et la pluralité de secondes protubérances (521) sont décalées les unes par rapport aux autres sur la surface intérieure du mécanisme de support (50) le long de la direction axiale de la cavité.
  3. Dispositif de génération d'aérosol selon la revendication 1 ou 2, dans lequel l'une de la pluralité de premières protubérances (511) et de la pluralité de secondes protubérances (521) est rigide, et l'autre est flexible.
  4. Dispositif de génération d'aérosol selon la revendication 1 ou 2, dans lequel le boîtier (10) est pourvu d'un trou de réception (111) à une extrémité, et l'article de formation d'aérosol (A) est reçu de manière amovible dans la cavité à travers le trou de réception (111) ; et
    la pluralité de premières protubérances (511) est plus proche du trou de réception (111) que la pluralité de secondes protubérances (521).
  5. Le dispositif de génération d'aérosol selon la revendication 4, dans lequel une surface de la deuxième protubérance (521) est pourvue d'une fente ou d'une rainure longue et fine (5211) s'étendant le long de la direction axiale du mécanisme de support (50).
  6. Dispositif de génération d'aérosol selon la revendication 1, dans lequel l'élément de support flexible (52) comprend une paroi intérieure (522) et une paroi extérieure (523) disposées séquentiellement de l'intérieur vers l'extérieur le long de la direction radiale, et une cavité de serrage (524) formée entre la paroi intérieure (522) et la paroi extérieure (523) ; et l'élément de support rigide (51) est au moins partiellement retenu dans la cavité de serrage (524).
  7. Le dispositif de génération d'aérosol selon la revendication 1 ou 2, dans lequel la cavité comprend une extrémité proche (110) et une extrémité éloignée (120) opposées l'une à l'autre le long de la direction axiale ;
    le mécanisme de support comprend un premier élément de support avec la première protubérance et un deuxième élément de support avec la deuxième protubérance ; et le premier élément de support est adjacent à l'extrémité proche (110) de la cavité, et le deuxième élément de support est adjacent à l'extrémité éloignée (120) de la cavité.
  8. Dispositif de génération d'aérosol selon la revendication 1 ou 2, dans lequel la pluralité de premières protubérances (511) a un coefficient de frottement de surface différent de celui de la pluralité de secondes protubérances (521).
  9. Le dispositif de génération d'aérosol selon la revendication 1 ou 2, dans lequel la pluralité de premières protubérances (511) et/ou la pluralité de secondes protubérances (521) sont disposées symétriquement le long d'un axe central de la cavité.
EP21871602.5A 2020-09-25 2021-09-24 Dispositif de génération d'aérosol Active EP4218441B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202022148217.0U CN213604392U (zh) 2020-09-25 2020-09-25 气雾生成装置
PCT/CN2021/120353 WO2022063233A1 (fr) 2020-09-25 2021-09-24 Dispositif de génération d'aérosol

Publications (3)

Publication Number Publication Date
EP4218441A1 EP4218441A1 (fr) 2023-08-02
EP4218441A4 EP4218441A4 (fr) 2024-03-20
EP4218441B1 true EP4218441B1 (fr) 2025-10-29

Family

ID=76656492

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21871602.5A Active EP4218441B1 (fr) 2020-09-25 2021-09-24 Dispositif de génération d'aérosol

Country Status (4)

Country Link
US (1) US20230329342A1 (fr)
EP (1) EP4218441B1 (fr)
CN (1) CN213604392U (fr)
WO (1) WO2022063233A1 (fr)

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CN213604392U (zh) * 2020-09-25 2021-07-06 深圳市合元科技有限公司 气雾生成装置
CN116568163A (zh) * 2020-12-11 2023-08-08 日本烟草产业株式会社 香味吸取器
WO2022215255A1 (fr) * 2021-04-09 2022-10-13 日本たばこ産業株式会社 Inhalateur d'arôme et système à fumer
CN115701331A (zh) * 2021-08-02 2023-02-10 深圳市合元科技有限公司 气雾生成系统及气雾生成装置
CN113598441B (zh) * 2021-08-19 2025-01-10 浙江中烟工业有限责任公司 一种便于清洁的气溶胶生成装置及气溶胶生成系统
CN115868679A (zh) * 2021-09-28 2023-03-31 深圳市合元科技有限公司 夹持结构和电子雾化装置
CN113729308A (zh) * 2021-10-15 2021-12-03 北京温致科技有限公司 吸嘴组件、加热器和气溶胶生成装置
CN114158787A (zh) * 2021-12-06 2022-03-11 深圳麦时科技有限公司 一种电子雾化系统及其气溶胶形成装置
CN114916715A (zh) * 2022-05-18 2022-08-19 安徽中烟工业有限责任公司 用于产生气雾的红外加热装置及系统
CN120112186A (zh) * 2022-12-30 2025-06-06 韩国烟草人参公社 气溶胶生成装置、包括气溶胶生成装置的气溶胶生成系统以及对气溶胶生成装置进行制造的方法
CN220274936U (zh) * 2023-05-25 2024-01-02 深圳市合元科技有限公司 加热器及气溶胶生成装置
CN222382647U (zh) * 2024-04-26 2025-01-24 尼科创业贸易有限公司 气溶胶供应装置及系统

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CN213604392U (zh) * 2020-09-25 2021-07-06 深圳市合元科技有限公司 气雾生成装置

Also Published As

Publication number Publication date
WO2022063233A1 (fr) 2022-03-31
CN213604392U (zh) 2021-07-06
EP4218441A1 (fr) 2023-08-02
US20230329342A1 (en) 2023-10-19
EP4218441A4 (fr) 2024-03-20

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