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EP3935973A1 - Elektronische zigarettenzerstäubungsanordnung und herstellungsverfahren dafür - Google Patents

Elektronische zigarettenzerstäubungsanordnung und herstellungsverfahren dafür Download PDF

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Publication number
EP3935973A1
EP3935973A1 EP19918063.9A EP19918063A EP3935973A1 EP 3935973 A1 EP3935973 A1 EP 3935973A1 EP 19918063 A EP19918063 A EP 19918063A EP 3935973 A1 EP3935973 A1 EP 3935973A1
Authority
EP
European Patent Office
Prior art keywords
heating
electronic cigarette
atomization assembly
layer
heating layer
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.)
Withdrawn
Application number
EP19918063.9A
Other languages
English (en)
French (fr)
Other versions
EP3935973A4 (de
Inventor
Huihua Huang
Cheng Wang
Meiling GUO
Bo Zhou
Jian Wang
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.)
Kennede Electronics MfgCo Ltd
Original Assignee
O Net Automation Technology Shenzhen 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 O Net Automation Technology Shenzhen Co Ltd filed Critical O Net Automation Technology Shenzhen Co Ltd
Publication of EP3935973A1 publication Critical patent/EP3935973A1/de
Publication of EP3935973A4 publication Critical patent/EP3935973A4/de
Withdrawn legal-status Critical Current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
    • A24F40/40—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
    • A24F40/10—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
    • A24F40/70—Manufacture
    • 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 invention relates to the technical field of electronic cigarettes, in particular to an electronic cigarette atomization assembly and a manufacturing method therefor.
  • Atomization assemblies in existing electronic cigarettes are of the following three types:
  • the heating wire and the oil-conducting element are assembled by wrapping, so the production process is complex, the cost is high, and the atomization area is small.
  • the technical issue to be settled by the invention is to provide an electronic cigarette atomization assembly, which is suitable for modular and automatic production, and a manufacturing method therefor.
  • the technical solution adopted by the invention to settle the aforesaid technical issue is as follows: providing an electronic cigarette atomization assembly which comprises a porous matrix for conducting cigarette liquid and a heating layer for heating and atomizing the cigarette liquid;
  • the heating layer is disposed on the porous matrix, and connecting portions configured to be electrically connected to an electronic cigarette power supply are disposed at two ends of the heating layer, respectively.
  • the heating layer is prepared from electronic paste, carbon powder or metal powder that is disposed on a surface of the porous matrix or inside the porous matrix by at least one of printing, coating, spraying, soaking, vacuum plating and sandwiching.
  • the electronic paste comprises at least one of carbon-containing paste, stainless steel-containing paste, silver-containing paste, gold-containing paste, nickel-containing paste, titanium-containing paste, aluminum-containing paste, and copper-containing paste;
  • the metal powder comprises at least one of stainless steel, nickel, titanium, and nichrome.
  • the porous matrix is made of a porous ceramic material, a carbon material or a foam metal; and the porous ceramic material comprises at least one of mullite, aluminum oxide, silicon dioxide, silicon carbide and diatomite.
  • the heating layer comprises one or multiple heating tapes, and the multiple heating tapes are parallelly distributed at intervals, or connected in a crossed manner; or
  • the heating layer is mesh-shaped or spiral-shaped.
  • the connecting portions and the heating layer are formed integrally.
  • conductors electrically connected to the electronic cigarette power supply are disposed on the connecting portions.
  • the invention further provides a manufacturing method for an electronic cigarette atomization assembly, comprising the following steps:
  • Step S1 carbon powder or metal powder is disposed on a surface of the whole piece of matrix by vacuum plating or spraying; or, in Step S1, electronic paste is disposed on a surface of the whole piece of matrix by printing, coating, spraying or soaking, and is then baked at a high temperature of 300°C-1000°C to be cured to form the heating material layer;
  • Step S2 laser cutting or chemical etching is used for processing the heating material layer.
  • the heating layer and the connecting portions are disposed on the porous matrix, and compared with heating wires in the prior art, the contact area between the heating layer and the porous matrix is larger, so that the atomization area is larger, and the atomization effect is improved.
  • the atomization assembly is simple in structure, the production process is simple, modular, mass and automatic production of the atomization assemblies is realized, the production efficiency is high, and the consistency of the manufactured atomization assemblies is good.
  • an atomization assembly 10 for electronic cigarettes comprises a porous matrix 11 and a heating layer 12 disposed on the porous matrix 11.
  • the porous matrix 11 is used for conducting liquid (cigarette liquid), and is made of a porous ceramic material, a carbon material or a foam metal.
  • the porous ceramic material comprises at least one of mullite, aluminum oxide, silicon dioxide, silicon carbide and diatomite.
  • the porous matrix 11 is a polyhedral structure such as a cubic structure or a cuboid structure, or a cylindrical structure.
  • the heating layer 12 is a layer structure different from a heating wire, and is used for heating and atomizing the cigarette liquid.
  • Connecting portions 13 configured to be electrically connected to an electronic cigarette power supply are provided at two ends of the heating layer 12, respectively.
  • the heating layer 12 is disposed on a surface of the porous matrix 11 or inside the porous matrix 11. Corresponding to the shape of the porous matrix 11, the heating layer 12 may be disposed on at least one surface of the porous matrix 11.
  • the heating layer 12 is prepared from electronic paste, carbon powder or metal powder that is disposed on the surface of the porous matrix 11 or inside the porous matrix 11 by at least one of printing, coating, spraying, soaking, vacuum plating and sandwiching.
  • the electronic paste comprises at least one of carbon-containing paste, stainless steel-containing paste, silver-containing paste, gold-containing paste, nickel-containing paste, titanium-containing paste, aluminum-containing paste, and copper-containing paste.
  • the metal powder comprises at least one of stainless steel, nickel, titanium, and nichrome.
  • the size, shape and material of the heating layer 12 are selected according to the resistance required by the heating layer 12.
  • the electronic paste when electronic paste is used to prepare the heating layer 12, the electronic paste is disposed on the porous matrix 11 by printing, coating, spraying or soaking, and is then baked at a high temperature of 300°C-1000°C to be cured to form the heating layer 12.
  • carbon powder or metal powder is used to prepare the heating layer 12, the carbon powder or metal powder is disposed on the porous matrix 11 by vacuum plating or spraying to form the heating layer 12.
  • the connecting portions 13 and the heating layer 12 are formed integrally. That is, when electronic paste, carbon powder or metal powder is used to prepare the heating layer 12, the connecting portions 13 are formed at the two ends of the heating layer 12 synchronously. In case where the heating layer 12 and the connecting portions 13 are prepared from carbon powder, metal layers may be further disposed on the connecting portions 13 or metal powder may be added to the connecting portions 13 to improve the electrical conductivity of the connecting portions 13.
  • the heating layer 12 is disposed on one surface of the porous matrix 11 and comprises a heating tape 121.
  • the heating tape 121 is linear, and the two connecting portions 13 are connected to two ends of the heating tape 121, respectively.
  • the area of the connecting portions 13 is greater than that of the heating tape 121.
  • an atomization assembly 20 for electronic cigarettes comprises a porous matrix 21 and a heating layer 22 disposed on the porous matrix 21.
  • the porous matrix 21 is used for conducting liquid (cigarette liquid);
  • the heating layer 22 is a layer structure different from a heating wire, and is used for heating and atomizing the cigarette liquid; and connecting portions 23 configured to be electrically connected to an electronic cigarette power supply are disposed at two ends of the heating layer 22, respectively.
  • the heating layer 22 comprises a heating tape 221, and the two connecting portions 23 are connected to two ends of the heating tape 221, respectively.
  • the heating tape 221 in this embodiment is wavy or curved. Compared with the linear heating tape 221, the contact area between the wavy or curved heating tape 221 and the porous matrix 21 is larger, such that the atomization area is larger, and the atomization effect is better.
  • an atomization assembly 30 for electronic cigarettes comprises a porous matrix 31 and a heating layer 32 disposed on the porous matrix 31.
  • the porous matrix 31 is used for conducting liquid (cigarette liquid);
  • the heating layer 32 is a layer structure different from a heating wire, and is used for heating and atomizing the cigarette liquid; and connecting portions 33 configured to be electrically connected to an electronic cigarette power supply are disposed at two ends of the heating layer 32, respectively.
  • the heating layer 32 in this embodiment comprises multiple heating tapes 321, such as two as shown in FIG. 4 , or three.
  • the two connecting portions 33 are connected to two ends of the heating tapes 321, respectively.
  • the multiple heating tapes 321 may be parallelly distributed at intervals, or be connected in a crossed manner.
  • the contact area between the multiple heating tapes 321 and the porous matrix 31 is larger, and the heat distribution is more uniform, such that the atomization area is larger, and the atomization effect is better.
  • an atomization assembly 40 for electronic cigarettes comprises a porous matrix 41 and a heating layer 42 disposed on the porous matrix 41.
  • the porous matrix 41 is used for conducting liquid (cigarette liquid);
  • the heating layer 42 is a layer structure different from a heating wire, and is used for heating and atomizing the cigarette liquid; and connecting portions 43 configured to be electrically connected to an electronic cigarette power supply are disposed at two ends of the heating layer 42, respectively.
  • the material and arrangement of the porous matrix 41, the heating layer 42 and the connecting portions 43 may be referred to the description of the first embodiment provided above. Different from the first embodiment, the heating layer 42 in this embodiment is mesh-shaped.
  • a mesh-shaped tool such as a wire mesh may be disposed on the porous base plate 41 firstly, and then electronic paste, carbon powder or metal powder is disposed on the porous matrix 41 through the wire mesh in a corresponding manner to form the mesh-shaped heating layer 42.
  • electronic paste, carbon powder or metal powder forms the whole heating layer 42 on the porous matrix 41 in a corresponding manner, then a mesh-shaped tool such as a wire mesh is disposed on the porous matrix 41, and finally, the whole heating layer 42 is processed by chemical etching or laser cutting to form a mesh-shaped structure.
  • the mesh-shaped heating layer 42 is able to cover a whole surface of the porous matrix 41, so compared with the heating tape, the contact area between the mesh-shaped heating layer 42 and the porous matrix 41 is larger, the heat distribution is more uniform, and thus, the atomization area is larger, and the atomization effect is better.
  • an atomization assembly 50 for electronic cigarettes comprises a porous matrix 51 and a heating layer 52 disposed on the porous matrix 51.
  • the porous matrix 51 is used for conducting liquid (cigarette liquid);
  • the heating layer 52 is a layer structure different from a heating wire, and is used for heating and atomizing the cigarette liquid; and connecting portions 53 electrically connected to an electronic cigarette power supply are disposed at two ends of the heating layer 52, respectively.
  • the porous matrix 51 in this embodiment is cylindrical, and the thickness of the porous matrix 51 may be designed as needed; and the heating layer 52 is disposed on a cylindrical surface of the porous matrix 51 and is spiral.
  • the number of turns of the spiral heating layer 52 may be set according to the size of the surface, where the heating layer 52 is located, of the porous matrix 51, and the heating layer 52 may cover the whole surface or part of the surface.
  • the spiral heating layer 52 may be prepared with reference to relevant descriptions in the fourth embodiment, and repeated description will be omitted herein.
  • the atomization assembly 50 in this embodiment is suitable for a cylindrical atomizer.
  • an atomization assembly 60 for electronic cigarettes comprises a porous matrix 61 and a heating layer 62 disposed on the porous matrix 61.
  • the porous matrix 61 is used for conducting liquid (cigarette liquid);
  • the heating layer 62 is a layer structure different from a heating wire and is used for heating and atomizing the cigarette liquid; and connecting portions 63 configured to be electrically connected to an electronic cigarette power supply are disposed at two ends of the heating layer 62, respectively.
  • the material and arrangement of the porous matrix 61, the heating layer 62 and the connecting portions 63 may be referred to the first embodiment.
  • the structure of the heating layer 62 may be referred to the first to fifth embodiments.
  • the connecting portions 63 in this embodiment are provided with conductors 64 configured to be electrically connected to the electronic cigarette power supply.
  • the two conductors 64 on the two connecting portions 63 are respectively configured to be connected to a positive electrode and a negative electrode of the power supply, so as to form a close circuit.
  • the conductors 64 may be conducting pillar structures fixed to the connecting portions 63 by spot welding, butt welding, soldering, or laser welding. Connecting sites may be prearranged on the connecting portions 63 to position the conductors 64.
  • the heating layer may be sandwiched inside the porous matrix.
  • the porous matrix is formed by two matrix units that are combined together, the heating layer is sandwiched between the two matrix units, and the connecting portions are exposed or stretch out of two opposite ends or surfaces of the porous matrix to be electrically connected to the electronic cigarette power supply.
  • the heating layer is prepared from electronic paste, and the porous matrix is made of a porous ceramic material.
  • the invention further provides a manufacturing method for an electronic cigarette atomization assembly, comprising the following steps:
  • the manufacturing method of the invention will be described in detail below with the case where the manufacturing method is used for manufacturing the atomization assembly 10 of the first embodiment as an example.
  • the manufacturing method for the atomization assembly 10 may comprise the following steps: S1: a heating material layer 110 is disposed on a whole piece of matrix 100, as shown by a side view in FIG. 8(a) .
  • the matrix 100 may be a whole piece of porous ceramic, or a carbon block made of a carbon material.
  • carbon powder or metal powder is disposed on a surface of the whole piece of matrix 100 by vacuum plating or spraying, to form the heating material layer 110 on the surface of the matrix 100.
  • electronic paste is disposed on a surface of the whole piece of matrix 100 by printing, coating, spraying or soaking, and is then baked at a high temperature of 300°C -1000°C to be cured to form the heating material layer 110.
  • the heating material layer 110 is processed into multiple heating layers 12 that are arranged at intervals, and connecting portions 13 are formed at two ends of each heating layer 12, respectively, as shown by a top view in FIG. 8 (c) .
  • the heating material layer 110 is processed by laser cutting or chemical etching. Specifically, as shown in by a side view in FIG. 8(b) , an organic film 120 is disposed on the heating material layer 110 when the heating material layer 110 is processed. Portions, around the heating layers 12, of the organic film 120 are hollowed out according to the shape of the heating layers 12. Portions, corresponding to the hollowed-out portions of the organic film 120, of the heating material layer are removed by laser cutting or chemical etching. After that, margin waste of the organic film 120 and the heating material layer 110 are removed.
  • the matrix 100 may be cut along a cutting line (dotted line) in FIG. 8(c) .
  • Laser cutting, wire cutting or abrasive cutting may be used for cutting the matrix 100.
  • the atomization assembly 10 is cleaned and dried.
  • the manufacturing method is also suitable for manufacturing the atomization assemblies of the first to sixth embodiments.
  • conductors electrically connected to an electronic cigarette power supply are disposed on each heating layer before cutting.
  • the heating layer is arranged in a sandwiched manner, and the manufacturing method may comprise the following steps: S1: a heating material layer is disposed on a surface (surfaces) of one or two green bodies.
  • the green bodies are porous ceramic green bodies.
  • the heating material layer is processed into multiple heating layers that are arranged at intervals, and connecting portions are formed at two ends of each heating layer, respectively.
  • the heating material may be processed with reference to the manufacturing method in the above embodiment.
  • Two green bodies are combined to form a whole with the heating material layer is sandwiched between the two green bodies.
  • the green bodies are sintered at 300°C-1000°C to form a porous matrix, such that the structural strength is improved.
  • a hole forming agent in the green bodies is volatized during sintering.
  • the combined green bodies form a whole piece of matrix after being sintered.
  • the heating layer is located inside the porous matrix, and the connecting portions at the two ends of the heating layer are exposed out of two opposite ends of the porous matrix to be electrically connected to an electronic cigarette power supply.
  • multiple atomization assemblies may be manufactured at one time, so that modular, mass and automatic production of atomization assemblies is realized, the consistency is good, and the production efficiency is improved.

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EP19918063.9A 2019-03-07 2019-03-07 Elektronische zigarettenzerstäubungsanordnung und herstellungsverfahren dafür Withdrawn EP3935973A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/077363 WO2020177131A1 (zh) 2019-03-07 2019-03-07 电子烟雾化组件及其制作方法

Publications (2)

Publication Number Publication Date
EP3935973A1 true EP3935973A1 (de) 2022-01-12
EP3935973A4 EP3935973A4 (de) 2022-03-16

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EP19918063.9A Withdrawn EP3935973A4 (de) 2019-03-07 2019-03-07 Elektronische zigarettenzerstäubungsanordnung und herstellungsverfahren dafür

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US (1) US20220132930A1 (de)
EP (1) EP3935973A4 (de)
WO (1) WO2020177131A1 (de)

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TWI700047B (zh) * 2019-11-15 2020-08-01 聚鼎科技股份有限公司 霧化裝置及其霧化元件
TWI741822B (zh) * 2020-10-07 2021-10-01 聚鼎科技股份有限公司 霧化裝置及其霧化元件
CN114903207A (zh) * 2021-02-06 2022-08-16 深圳市合元科技有限公司 雾化器、电阻浆料、加热组件及气溶胶生成装置
CN113615887A (zh) * 2021-08-13 2021-11-09 深圳麦克韦尔科技有限公司 雾化元件、雾化器和电子雾化装置
WO2023118796A1 (en) * 2021-12-22 2023-06-29 Nicoventures Trading Limited Aerosol provision system
CN115028473B (zh) * 2022-05-06 2024-02-09 深圳市吉迩技术有限公司 覆有金属涂层的多孔陶瓷的制备方法及气溶胶生成装置
WO2024020803A1 (zh) * 2022-07-26 2024-02-01 深圳市华诚达精密工业有限公司 雾化装置及多孔雾化芯和多孔雾化芯的制作方法
CN115281385A (zh) * 2022-07-29 2022-11-04 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器、雾化芯和雾化芯的制造方法
CN115278953A (zh) * 2022-08-26 2022-11-01 海南摩尔兄弟科技有限公司 加热器件及其制备方法

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Publication number Publication date
EP3935973A4 (de) 2022-03-16
US20220132930A1 (en) 2022-05-05
WO2020177131A1 (zh) 2020-09-10

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