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WO2021013039A1 - Ensemble de chauffage pour dispositif de génération d'aérosol - Google Patents

Ensemble de chauffage pour dispositif de génération d'aérosol Download PDF

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Publication number
WO2021013039A1
WO2021013039A1 PCT/CN2020/102373 CN2020102373W WO2021013039A1 WO 2021013039 A1 WO2021013039 A1 WO 2021013039A1 CN 2020102373 W CN2020102373 W CN 2020102373W WO 2021013039 A1 WO2021013039 A1 WO 2021013039A1
Authority
WO
WIPO (PCT)
Prior art keywords
aerosol
heating
circuit
heating element
resistor circuit
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.)
Ceased
Application number
PCT/CN2020/102373
Other languages
English (en)
Chinese (zh)
Inventor
丁毅
左权
杜昊
陈湖
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.)
ALD Group Ltd
Original Assignee
ALD Group 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 ALD Group Ltd filed Critical ALD Group Ltd
Publication of WO2021013039A1 publication Critical patent/WO2021013039A1/fr
Anticipated expiration legal-status Critical
Ceased 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

Definitions

  • This application relates to an electronic heating assembly, and more particularly to a heating assembly applied to a heating type aerosol generating device.
  • Traditional heating type aerosol generators generally use electric heating alloy wires to form a heating element with a spiral structure combined with a porous matrix to form a heating assembly. It has the advantages of simple process and low cost, so it is widely used.
  • the spiral heating element exists There are many defects of its own. For example, when the temperature is low at both ends and high in the middle, it is prone to local high temperature, so it needs improvement.
  • the present application provides a heating component of an aerosol generating device to solve the problem of uneven heating temperature distribution of traditional heating components.
  • the present application provides a heating component of an aerosol generating device to solve the problem of uneven heating temperature distribution of traditional heating components.
  • the heating component of an aerosol generating device includes: a substrate having an infiltration surface and an aerosol releasing surface; and an electric heating element, including a heating resistor circuit and at least two conductive circuits; each conductive circuit is connected to the heating One end of the resistance circuit is correspondingly connected to connect a power source to energize the heating resistance circuit; the electric heating element is arranged on the aerosol release surface, and the infiltration surface is used for the aerosol matrix to penetrate to guide the aerosol matrix On the electric heating element, the heating resistor circuit generates heat when energized, and heats the aerosol substrate to form an aerosol.
  • the aerosol release surface is a flat surface, and the heating resistance circuit extends in the same plane to form at least one resistance track.
  • the heating resistance circuit and the conductive circuit are both hollowed out of metal plates.
  • the electric heating element further includes a lead wire, one end of the lead wire is connected to the conductive circuit, and the other end is used to connect the electrode of the power source;
  • the conductive circuit has a first opening on the side, and the The conductive line is bent from the first opening.
  • the heating assembly there are two conductive circuits, which are respectively located at two ends of the heating resistor circuit.
  • the width of the conductive circuit is greater than the width of the heating resistor circuit.
  • the base body is provided with a second opening, and the side of the second opening facing the heating resistor circuit is the aerosol releasing surface.
  • the edge of the heating resistance circuit is at least partially embedded in the inner wall of the second opening.
  • the matrix is a porous matrix permeable to the aerosol matrix.
  • the side wall of the substrate is provided with through holes for the release of aerosol, and/or for the aerosol substrate to be conducted to the electric heating element.
  • the heating component of an aerosol generating device includes a base body and an electric heating element.
  • the base body has an infiltration surface and an aerosol release surface;
  • the electric heating element includes a heating resistor circuit and at least two conductive circuits; each conductive circuit is connected to the heating element.
  • One end of the resistance circuit is correspondingly connected to connect the power supply to energize the heating resistance circuit;
  • the electric heating element is arranged on the aerosol release surface, and the infiltration surface is used for the aerosol matrix to penetrate, so as to guide the aerosol matrix to the electric heating element to generate heat
  • the resistance circuit generates heat when energized, and heats the aerosol substrate to form an aerosol. When energized, heat is generated on the aerosol release surface through the heating resistor circuit.
  • the heating temperature of the heating resistor circuit is evenly distributed, which solves the problem of uneven heating temperature distribution of traditional heating components.
  • Figure 1 is a perspective view of a heating assembly in an embodiment of the application
  • Figure 2 is a top view of a heating component in an embodiment of the application
  • Figure 3 is a cross-sectional view of Figure 2 of the application.
  • FIG. 4 is a schematic diagram of the structure of an electric heating element in an embodiment of the application.
  • FIG. 5 is a schematic diagram of the structure of an electric heating element and a lead in an embodiment of the application
  • Fig. 6 is a schematic structural diagram of a heating assembly in another embodiment of the application.
  • Figure 7 is a cross-sectional view of Figure 5 of the application.
  • FIG. 8 is a schematic structural diagram of an electric heating element in another embodiment of the application.
  • Fig. 9 is a top view of a heating assembly in a third embodiment of the application.
  • connection and “connection” mentioned in this application, unless otherwise specified, include direct and indirect connection (connection).
  • This embodiment provides a heating component of an aerosol generating device.
  • the heating assembly includes a base 100 and an electric heating element 200.
  • the base 100 has an infiltration surface and an aerosol releasing surface.
  • the base 100 is cylindrical, one end surface of the base 100 is the aerosol release surface, and the side surface of the base 100 or the end surface opposite to the aerosol release surface can be used as the infiltration surface.
  • the base 100 can also be configured into a cube or other suitable shapes, and the positions of the infiltration surface and the aerosol release surface can also be flexibly set according to actual conditions.
  • the heating element 200 includes a heating resistance circuit 210 and at least two conductive circuits 220; each conductive circuit 220 is correspondingly connected to one end of the heating resistance circuit 210 for connecting to a power source so that the heating resistance circuit 220 is energized.
  • the shape of the heating element 200 in FIG. 1 is slightly different from the shape of the heating element 200 in FIG. 2 because the heating element 200 can be selected in different shapes in different embodiments to meet actual needs. Therefore, not only It can only be used as a perspective view of the embodiment shown in FIG. 2 or as a perspective view of other embodiments, as long as the shape of the base 100 is cylindrical.
  • FIG. 1 can also be used as a perspective view of the embodiment shown in FIG. 9.
  • the electric heating element 200 is arranged on the aerosol release surface, and the infiltration surface is used for the aerosol matrix to penetrate to guide the aerosol matrix to the electric heating element 200.
  • the heating resistor circuit 210 generates heat when energized and heats the aerosol matrix to form aerosol.
  • Sol Specifically, "the electric heating element 200 is arranged on the aerosol releasing surface” may mean that the surface of the electric heating element 200 is connected to the surface of the aerosol releasing surface, or the electric heating element 200 is partially or completely embedded in the aerosol releasing surface.
  • the heating resistor circuit 210 When energized, the heating resistor circuit 210 generates heat on the aerosol release surface. Compared with the spiral structure of the electric heating alloy wire, the heating temperature of the heating resistor circuit 210 is evenly distributed, which solves the uneven temperature distribution of the spiral structure of the electric heating alloy wire and easy local temperature The problem is too high. In addition, the strength of the spiral structure is low, which causes the spiral heating element to be easily deformed during the molding process with the porous substrate, resulting in unstable structure of the heating element, and poor consistency during the mass production of the product.
  • the heating resistance circuit 210 is set in the air
  • the sol release surface has a more stable structure and higher strength, which solves the problems of low strength and unstable structure of traditional heating components, and also makes the product consistency stronger in the mass production process.
  • FIG. 4 Please refer to Figure 4, Figure 8 and Figure 9, showing the different routing structure of the heating resistance circuit 210 and the conductive circuit 220 in three different embodiments, please refer to Figure 2 and Figure 4, Figure 4 in the heating resistance circuit 210
  • the line method is matched with the cylindrical base 100 in Fig. 2; please refer to Figs. 6-8.
  • the routing method of the heating resistor circuit 210 in Fig. 8 is used to match the rectangular parallelepiped base 100 in Figs. 6 and 7; please refer to Fig. 9,
  • the routing method of the heating resistor circuit 210 in FIG. 9 is used to cooperate with the cylindrical base 100.
  • the routing of the heating resistor circuit 210 and the conductive circuit 220 can be changed according to the shape of the substrate 100, the position of the aerosol release surface, and the different heating temperature requirements, so as to realize the diversification of the routing and the difference of the resistance to improve the temperature
  • the problem of uneven distribution improves energy utilization.
  • the length and shape of the heating resistance circuit 210 can be changed to make the heating resistance circuit 210 have a desired resistance value.
  • the aerosol release surface is a plane
  • the heating resistor lines extend in the same plane to form at least one resistor track.
  • the heating resistor circuit 210 and the conductive circuit 220 are both hollowed out of metal plates.
  • the heating resistor circuit 210 and the conductive circuit 220 can be formed by hollowing out the same metal plate, or by hollowing out and connecting different plates.
  • the different plates can be made of the same metal material or Different metal materials.
  • the conductive circuit 220 and the heating resistance circuit 210 can be welded or riveted.
  • the heating resistance circuit 210 can be made of a high-resistance electrothermal alloy, and the conductive circuit 220 can be a metal material with a low resistivity, preferably nickel.
  • the heating resistance circuit 210 and the conductive circuit 220 are hollowed out of the same metal plate, the heating resistance circuit 210 and the conductive circuit 220 are integrally formed, so that the structural stability of the electric heating element 200 is better.
  • the heating element 200 further includes a lead 300, one end of the lead 300 is connected to the conductive circuit 220, and the other end is used to connect the electrode of the power source; the conductive circuit 220 has a first opening 221 on its side , The conductive circuit 220 is bent from the first opening 221. The connection between the conductive circuit 220 and the power electrode is realized by the lead 300.
  • the lead 300 may be a nickel lead, and the bending angle of the conductive circuit 220 and the lead 300 may be 90° or other suitable angles. It is convenient to realize the connection between the lead 300 and the power source.
  • the lead 300 may not be used, but any position on the conductive circuit 220 is used as an electrode contact, and the electrode contact is connected to the power electrode through contact.
  • FIG. 5 there are two conductive circuits 220, which are located at two ends of the heating resistor circuit 210 respectively.
  • the width of the conductive circuit 220 is greater than the width of the heating resistor circuit 210.
  • the width of the heating resistance circuit 210 is small, the resistance value of the heating resistance circuit 210 is larger.
  • the heating resistance circuit 210 generates more heat, making the temperature of the heating resistance circuit 210 higher than The conductive line 220 is high, and the conductive line 220 is used for conducting electricity, and it may not be needed to generate heat.
  • the width of the conductive circuit 220 is large, which is beneficial to realize the connection between the conductive circuit 220 and the power electrode.
  • the conductive circuit can be fully connected to the lead.
  • the conductive circuit serves as the electrode. The reliability of the connection between the contact and the power electrode is better.
  • the heating resistance circuit 210 and the conductive circuit 220 meander and extend in the same plane.
  • the direction in which the heating resistance circuit 210 extends is the length direction of the heating resistance circuit 210.
  • the direction perpendicular to the length direction is the width direction of the heating resistor circuit 210
  • the direction in which the conductive circuit 220 extends is the length direction of the conductive circuit 220
  • the direction perpendicular to the length of the conductive circuit 220 in the plane is the width direction of the conductive circuit 220.
  • the metal sheet can be processed by chemical etching or mechanical processing to form the heating resistance circuit 210 and the conductive circuit 220.
  • the metal plate can be a thin plate, and the material of the metal plate can be a high-resistance electric heating alloy, which includes, but is not limited to, iron-chromium aluminum alloy, nickel-chromium alloy or stainless steel, preferably iron-chromium aluminum alloy.
  • the base 100 is provided with a second opening 110, and the side of the second opening 110 facing the heating resistor circuit 210 is an aerosol releasing surface.
  • the edge of the heating resistor circuit 210 is at least partially embedded in the inner wall of the second opening 110.
  • the edge of the heating resistor circuit 210 is reinforced by the base 100 to ensure that the edge of the heating resistor circuit 210 will not be warped during the process of constant cooling and heating.
  • the aerosol is released through the second opening 110.
  • the matrix 100 is a porous matrix permeable to the aerosol matrix.
  • the aerosol matrix can penetrate into the heating resistor circuit 210 through the base 100.
  • the material of the base 100 includes at least one of porous ceramics and porous glass. Preferably it is a porous ceramic.
  • the base 100 is formed by thermoplastic molding and integrated with the heating element 200 as a whole. Specifically, in the production process, the formed electric heating element 200 is first put into a mold, and then the slurry for forming the base 100 is injected into the mold, and finally put into a high-temperature furnace for sintering, so that the base 100 and the electric heating element 200 are formed As one.
  • the side wall of the base 100 is provided with through holes (not shown in the figure) for the aerosol to be released, and/or for the aerosol substrate to be conducted to the electric heating element 200.
  • the through holes can speed up the conduction of the aerosol matrix to the heating element 200, and can also be used to release aerosols.
  • the through holes can be used with liquid guides (such as oil guide cotton, porous ceramics or porous glass), and the aerosol matrix on the liquid guide is conducted to the electric heating element through the through holes On 200, through holes can also be used to release aerosols.

Landscapes

  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)

Abstract

Un ensemble de chauffage pour un dispositif de génération d'aérosol comprend un élément de base (100) et un élément chauffant électrique (200). L'élément de base (100) a une surface de perméance et une surface de libération d'aérosol. L'élément chauffant électrique (200) comprend un circuit de résistance de génération de chaleur (210) et au moins deux circuits électroconducteurs (220). Chacun des circuits électroconducteurs (220) est connecté de manière correspondante à une extrémité du circuit de résistance de génération de chaleur (210), et est utilisé pour connecter une alimentation électrique, de telle sorte que le circuit de résistance de génération de chaleur (210) soit sous tension. L'élément chauffant électrique (200) est disposé au niveau de la surface de libération d'aérosol. La surface de perméance est utilisée pour permettre à un matériau de formation d'aérosol de passer, de telle sorte que le matériau de formation d'aérosol soit introduit dans l'élément chauffant électrique (200). Le circuit de résistance de génération de chaleur (210) génère de la chaleur lorsqu'il est sous tension et chauffe le matériau de formation d'aérosol pour former un aérosol. L'invention génère de la chaleur au niveau de la surface de libération d'aérosol au moyen du circuit de résistance de génération de chaleur (210) pendant sa mise sous tension, et en comparaison avec des fils d'alliage électrothermique ayant une structure en spirale, une température de génération de chaleur du circuit de résistance de génération de chaleur (210) est uniformément distribuée, ce qui permet de résoudre le problème des ensembles de chauffage classiques dans lesquels une distribution de température de chauffage n'est pas uniforme.
PCT/CN2020/102373 2019-07-19 2020-07-16 Ensemble de chauffage pour dispositif de génération d'aérosol Ceased WO2021013039A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921140682.0 2019-07-19
CN201921140682.0U CN210581031U (zh) 2019-07-19 2019-07-19 一种气溶胶产生装置的加热组件

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WO2021013039A1 true WO2021013039A1 (fr) 2021-01-28

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WO (1) WO2021013039A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024208991A1 (fr) * 2023-04-05 2024-10-10 Jt International Sa Dispositif de chauffage pour dispositif de chauffage sans combustion

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210581031U (zh) * 2019-07-19 2020-05-22 深圳市卓力能电子有限公司 一种气溶胶产生装置的加热组件
CN114176254A (zh) * 2020-09-15 2022-03-15 深圳市合元科技有限公司 气溶胶生成系统及加热器
CN115299647A (zh) * 2021-05-06 2022-11-08 深圳麦时科技有限公司 加热组件及气溶胶形成装置
CN113424991A (zh) * 2021-06-28 2021-09-24 深圳麦时科技有限公司 发热组件和气溶胶形成装置

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US20110277756A1 (en) * 2010-05-15 2011-11-17 Nathan Andrew Terry Activation trigger for a personal vaporizing inhaler
US20140246020A1 (en) * 2010-05-15 2014-09-04 Minusa Holdings Llc Solderless directly written heating elements
CN109068417A (zh) * 2018-08-27 2018-12-21 威滔电子科技（深圳）有限公司 一种加热装置及其制备方法、气溶胶产生装置
CN109123804A (zh) * 2018-09-21 2019-01-04 深圳麦克韦尔股份有限公司 烘烤烟具及其加热组件
CN109222245A (zh) * 2018-09-29 2019-01-18 深圳市合元科技有限公司 雾化器发热元件和雾化器
CN109984385A (zh) * 2019-04-08 2019-07-09 昂纳自动化技术（深圳）有限公司 用于电子烟的雾化组件及其制造方法
CN210581031U (zh) * 2019-07-19 2020-05-22 深圳市卓力能电子有限公司 一种气溶胶产生装置的加热组件

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110277756A1 (en) * 2010-05-15 2011-11-17 Nathan Andrew Terry Activation trigger for a personal vaporizing inhaler
US20140246020A1 (en) * 2010-05-15 2014-09-04 Minusa Holdings Llc Solderless directly written heating elements
CN109068417A (zh) * 2018-08-27 2018-12-21 威滔电子科技（深圳）有限公司 一种加热装置及其制备方法、气溶胶产生装置
CN109123804A (zh) * 2018-09-21 2019-01-04 深圳麦克韦尔股份有限公司 烘烤烟具及其加热组件
CN109222245A (zh) * 2018-09-29 2019-01-18 深圳市合元科技有限公司 雾化器发热元件和雾化器
CN109984385A (zh) * 2019-04-08 2019-07-09 昂纳自动化技术（深圳）有限公司 用于电子烟的雾化组件及其制造方法
CN210581031U (zh) * 2019-07-19 2020-05-22 深圳市卓力能电子有限公司 一种气溶胶产生装置的加热组件

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024208991A1 (fr) * 2023-04-05 2024-10-10 Jt International Sa Dispositif de chauffage pour dispositif de chauffage sans combustion

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