WO2023173736A1 - Structure de chauffage de dispositif de génération d'aérosol et dispositif de génération d'aérosol - Google Patents

Structure de chauffage de dispositif de génération d'aérosol et dispositif de génération d'aérosol Download PDF

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Publication number
WO2023173736A1
WO2023173736A1 PCT/CN2022/126018 CN2022126018W WO2023173736A1 WO 2023173736 A1 WO2023173736 A1 WO 2023173736A1 CN 2022126018 W CN2022126018 W CN 2022126018W WO 2023173736 A1 WO2023173736 A1 WO 2023173736A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating
heating element
aerosol
electrical connection
generating device
Prior art date
Application number
PCT/CN2022/126018
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English (en)
Chinese (zh)
Inventor
刘才学
莫和臣
Original Assignee
深圳市基克纳科技有限公司
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Publication of WO2023173736A1 publication Critical patent/WO2023173736A1/fr

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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
    • 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

  • the utility model relates to the technical field of aerosol generating devices, and specifically relates to a heating structure of an aerosol generating device and an aerosol generating device.
  • Heat-not-burn cigarettes are an important new type of tobacco product. They do not directly burn cigarettes but use an external heat source to heat tobacco materials to produce smoke and provide smokers with a physiologically satisfying smoking effect. Compared with traditional cigarettes, heat-not-burn cigarettes have no combustion process and do not produce tar, carbon monoxide and other harmful substances, which greatly reduces the harm of smoking to consumers and surrounding people.
  • the aerosol-forming matrix of heat-not-burn cigarettes requires the use of an aerosol generating device for heating and smoking.
  • the heat-not-burn cigarette is equipped with a heating body, and the heating body is used to generate heat energy to heat the cigarette; however, the current heat-not-burn cigarettes require heating
  • the body is only heated from the sides of the cigarette, and the bottom and inside of the cigarette are difficult to bake evenly and thoroughly, resulting in an unsatisfactory smoking effect.
  • the utility model provides a heating structure of an aerosol generating device and an aerosol generating device, which are mainly used to solve the problem of uneven and incomplete baking of the matrix formed by heating without burning aerosol.
  • an embodiment provides a heating structure of an aerosol generating device, including:
  • Heating tube the heating tube has a heating cavity for accommodating the aerosol-forming substrate, the heating tube has a first end and a second end, the first end of the heating tube is used for inserting the aerosol-forming substrate, the heating tube A first heating element and a second heating element are provided on the tube, the first heating element is close to the first end, and the second heating element is close to the second end; and
  • the heater is installed at the end of the heating tube, the heater has an air inlet connected to the heating chamber, the heater is used to convert electrical energy into thermal energy, and is used to convert all energy from The second end of the heating tube enters the aerosol forming matrix for air heating.
  • the circumferential outer side of the heating tube is a rectangular surface in the unfolded state, and the rectangular surface is divided along the diagonal into an upper triangular area close to the first end and a lower triangular area close to the second end. , the first heating element is distributed in the upper triangular area, and the second heating element is distributed in the lower triangular area.
  • the first heating element and the second heating element are strip-shaped structures that are bent and extended along the circumferential direction of the heating tube.
  • the first heating element has a first electrical connection end and a A second electrical connection end
  • the second heating element has a third electrical connection end and a fourth electrical connection end; both the first heating element and the second heating element are used to convert electrical energy into thermal energy.
  • first electrical connection end of the first heating element and the fourth electrical connection end of the second heating element are combined to form one electrical connection end, and the second electrical connection end of the first heating element is It is spaced apart from the third electrical connection end of the second heating element.
  • the heater is installed in the second end of the heating tube.
  • the heater has honeycomb-type air inlet holes.
  • a heat insulator is installed in the heating tube, the heat insulator is connected to the heater, and the heat insulator is used to separate the heater from the aerosol-forming matrix.
  • the heat insulation member is an annular structure.
  • an embodiment provides an aerosol generating device, including the above heating structure of the aerosol generating device.
  • the heating structure includes a heating tube and a heater, and the heating tube is provided with a first heating element and a second heating element distributed at the first end and the second end. body, the first heating body and the second heating body can respectively heat the middle and the end of the aerosol-forming substrate, and the heater is used to heat the air entering the aerosol-forming substrate, so that the heating structure can heat the sides of the aerosol-forming substrate. Heating in different areas simultaneously heats the air entering the aerosol-forming matrix to achieve even and thorough baking of the aerosol-forming matrix and a better smoking effect.
  • Figure 1 is a schematic structural diagram of a heating structure in an embodiment
  • Figure 3 is a schematic structural diagram of the radial expansion of the heating tube in an embodiment
  • Figure 4 is a schematic structural diagram of the heating structure and the aerosol-forming matrix in an embodiment
  • Figure 5 is a side view of the heating structure and aerosol-forming substrate in one embodiment
  • Figure 6 is a schematic diagram of the axial structure of the heating structure and the aerosol-forming matrix in one embodiment
  • 1-heating tube 11-heating cavity, 2-first heating element, 21-first electrical connection end, 22-second electrical connection end, 3-second heating element, 31-third electrical connection end, 32- The fourth electrical connection end, 4-heater, 41-air inlet, 5-heat insulation, 6-aerosol forming matrix, A-first soldering pad, B-second soldering pad, C-third soldering pad .
  • connection and “connection” mentioned in this application include direct and indirect connections (connections) unless otherwise specified.
  • This embodiment provides a heating structure of an aerosol generating device.
  • the heating body in this embodiment is a heat source and is used to heat and bake the heat-not-burn aerosol-forming substrate.
  • the aerosol-forming substrate is a heat-not-burn cigarette. ;
  • the heating body of this embodiment also simultaneously heats the air entering the aerosol-forming matrix from the side of the heat-generating non-burning aerosol-forming matrix, which can bake the aerosol-forming matrix evenly and thoroughly, and has a better smoking effect.
  • the heating structure of the aerosol generating device in this embodiment mainly includes a heating tube 1, a heater 4 and a heat insulator 5.
  • the heating tube 1 is a hollow cylindrical structure.
  • the heating tube 1 has a heating chamber 11.
  • the inner diameter of the heating chamber 11 is equal to or slightly larger than the outer diameter of the aerosol-forming matrix 6, so that the aerosol-forming matrix 6 can be inserted into the heating chamber 11. , the aerosol-forming substrate 6 will not detach from the heating chamber 11 .
  • the heating tube 1 is an inner shell tube with high conductivity.
  • the heating tube 1 has good thermal conductivity.
  • the main body of the heating tube 1 is made of heat-conducting metal or ceramics.
  • the heating tube 1 is provided with a first heating element 2 and a second heating element 3 , the first heating element 2 and the second heating element 3 are arranged on the circumferential outer surface of the heating tube 1 in a strip-shaped structure.
  • the heating element can convert electrical energy into thermal energy, wherein the first heating element 2 and the second heating element 3 Conventionally known heating materials can be used.
  • the first heating element 2 and the second heating element 3 can also be disposed on the circumferential inner surface of the heating tube 1, or the first heating element 2 and the second heating element 3 can be disposed in an integrated manner. Inside the heating tube 1 (between the outer surface and the inner surface), the main bodies of the first heating element 2 and the second heating element 3 are hidden, and only the two ends are exposed.
  • the first heating element 2 and the second heating element 3 almost cover the entire outer wall of the heating tube 1 , and the first heating element 2 and the second heating element 3 are bent and extended along the outer wall of the heating tube 1 .
  • the two axial ends of the heating tube 1 are the first end and the second end.
  • the first end of the heating tube 1 is used to insert the aerosol-forming matrix 6, and the second end of the heating tube 1 is the air inlet end.
  • the first heating element 2 is closer to the first end of the heating tube 1.
  • the first heating element 2 is mainly used to heat the middle part of the aerosol-forming substrate 6; the second heating element 3 is closer to the second end of the heating tube 1.
  • the second heating element 3 is mainly used to heat the end of the aerosol-forming substrate 6 .
  • the first heating element 2 and the second heating element 3 surround the outer wall of the heating tube 1, and the first heating element 2 and the second heating element 3 are respectively used to heat the circumferential side of the aerosol-forming substrate 6.
  • the circumferential outer surface of the heating tube 1 is a rectangular surface in the unfolded state.
  • the length of the rectangular surface is the perimeter of the outer surface of the heating tube 1.
  • the width of the rectangular surface is the axis of the heating tube 1. direction length.
  • the rectangular surface is divided into an upper triangular area and a lower triangular area along the diagonal.
  • the bottom edge of the upper triangular area is the first end edge of the heating tube 1, and the bottom edge of the lower triangular area is the second end edge of the heating tube 1.
  • the first heating element 2 is curved and distributed in the upper triangular area
  • the second heating element 3 is curved and distributed in the lower triangular area.
  • the first heating element 2 and the second heating element 3 are roughly located in the upper triangular area and the lower triangular area respectively. Since the first heating element 2 and the second heating element 3 are curved sheet-like structures, the first heating element 2 The curved turning point with the second heating element 3 will also extend into the area where the other party is located.
  • the first heating element 2 is distributed in the upper triangular area, so that the area of the first heating element 2 covering the heating tube 1 gradually decreases from the first end to the second end.
  • the first heating element 2 mainly affects the heating tube.
  • the aerosol-forming substrate 6 in the first end of the heating tube 1 is heated.
  • the first heating element 2 can also preheat or keep warm the aerosol-forming substrate 6 in the second end of the heating tube 1 .
  • the second heating element 3 is distributed in the lower triangular area, so that the area covered by the second heating element 3 gradually decreases from the second end to the first end.
  • the aerosol-forming substrate 6 is heated, and at the same time, the second heating element 3 can also maintain or preheat the aerosol-forming substrate 6 in the first end of the heating tube 1 .
  • the two ends of the first heating element 2 are respectively a first electrical connection end 21 and a second electrical connection end 22.
  • the first electrical connection end 21 is located at the first end of the heating tube 1
  • the second electrical connection end 22 is located at the first end of the heating tube 1.
  • the connecting end 22 extends to the second end of the heating tube 1 .
  • the two ends of the second heating element 3 are respectively a third electrical connection end 31 and a fourth electrical connection end 32 .
  • the third electrical connection end 31 is located at the second end of the heating tube 1
  • the fourth electrical connection end 32 extends to the heating tube 1 the first end.
  • the first electrical connection terminal 21 and the fourth electrical connection terminal 32 are connected and merged into the same electrode, the second electrical connection terminal 22 and the third electrical connection terminal 31 are spaced apart, and the first heating element 2 and The second heating element 3 forms a series circuit.
  • the electrodes connected and combined by the first electrical connection terminal 21 and the fourth electrical connection terminal 32 are the first pad A, the third electrical connection terminal 31 alone becomes the second pad B, and the second electrical connection terminal 22 alone becomes the third pad A.
  • Pad C, first pad A, second pad B and third pad C are used to weld wires respectively, so that the first heating body 2 and the second heating body 3 are connected to the circuit, giving the first heating body 2 and the second heating element 3 increase the electric energy.
  • Connecting and merging the first electrical connection terminal 21 and the fourth electrical connection terminal 32 into the same electrode can reduce wiring, reduce costs, and save space.
  • first electrical connection terminal 21 and the fourth electrical connection terminal 32 can also be provided at intervals.
  • the first electrical connection terminal 21 and the fourth electrical connection terminal 32 respectively become a separate pad, and the first electrical connection terminal 21 and the fourth electrical connection terminal 32 can also be realized.
  • the first electrical connection terminal 21 and the fourth electrical connection terminal 32 are powered.
  • the heater 4 is installed in the second end of the heating tube 1, and the heater 4 can be fixedly connected to the heating tube 1 by welding, snapping, etc.
  • the heater 4 has a cylindrical structure.
  • the heater 4 has a plurality of axial air inlet holes 41 .
  • the air inlet holes 41 are connected with the heating chamber 11 for introducing air into the aerosol forming matrix 6 .
  • the heater 4 is provided with honeycomb-type air inlet holes 41.
  • the honeycomb structure can increase the contact area between the inlet air and the heater 4, thereby improving the heating efficiency of the inlet air.
  • the honeycomb-type arrangement can also increase the air inlet volume. .
  • the air inlet holes 41 of the heater 4 are arranged in the shape of briquette holes or several larger holes. Although the effect is lower than that of the honeycomb-type air inlet holes 41, it can also achieve a certain heating effect. , it is still progressive compared to the existing technology.
  • part or all of the heater 4 is located outside the heating tube 1 , the end or end surface of the heater 4 is connected to the second end surface of the heating tube 1 , and the air inlet 41 of the heater 4 remains Being connected to the heating chamber 11 can also heat the air entering the aerosol-forming substrate 6 .
  • the heater 4 is a heating copper core.
  • the heater 4 has two extended electrodes. The electrodes are used to connect to the circuit.
  • the heater 4 is used to convert electrical energy into thermal energy and perform heating on the air passing through the heater 4. Heating means heating the air entering the aerosol-forming substrate 6 from the second end of the heating tube 1 .
  • the heat insulator 5 is installed in the heating tube 1 and connected to the heater 4 .
  • the heat insulator 5 is used to separate the aerosol-forming substrate 6 from the heater 4 to avoid the heater 4 Excessively high temperatures scorch the aerosol-forming matrix.
  • the heat insulating member 5 is preferably a heat insulating ring with an annular structure.
  • the heat insulating member 5 has a through hole in the middle, and the through hole is used to introduce hot air into the aerosol forming matrix 6 .
  • the heat insulating member 5 can also have other structures.
  • the heat insulating member 5 has an I-shaped structure, and the two ends of the heat insulating member 5 are annular plates. The two annular plates are connected through a connecting portion. The two annular plates are respectively connected to the heater 4 and the aerosol-forming substrate 6, and can also separate the heater 4 and the aerosol-forming substrate 6.
  • the heating structure in this embodiment can heat different positions on the circumferential side of the aerosol-forming substrate 6 simultaneously or asynchronously, and can also heat the air entering the aerosol-forming substrate 6 , which is beneficial to improving the uniformity of heating. .
  • This embodiment also provides a heating control method. Based on the above-mentioned heating structure, this heating control method can better heat the aerosol-forming substrate 6 and improve the smoking effect.
  • the heating control method includes the following steps:
  • the first step, the preheating stage, is to connect the first pad A and the third pad C, that is, to energize the first heating element 2.
  • the first heating element 2 heats the middle position of the aerosol-forming substrate 6 to ensure rapid output. cigarette;
  • the first pad A and the second pad B are connected, that is, the second heating element 3 is energized.
  • the body 3 heats the end of the aerosol-forming matrix 6, and at the same time, the part of the second heating body 3 extends to the first end of the heating tube 1, which can maintain a specific temperature;
  • the third step is to energize the heater 4 to heat the air entering the aerosol-forming matrix 6, and then the aerosol-forming matrix 6 is heated by the axial side and the internal heating of the hot air at the same time to form uniform heating.
  • the first heating element 2, the second heating element 3 and the heater 4 are connected in the same circuit to form a series circuit.
  • the resistance of the heating component can be allocated as needed to control the height of the heating temperature.
  • the heating structure of this embodiment includes a heating tube 1 and a heater 4, and the heating tube 1 is provided with a first heating element 2 and a second heating element 3 distributed at the first end and the second end.
  • the body 2 and the second heating body 3 can respectively heat the middle and end portions of the aerosol-forming substrate.
  • the heater is used to heat the air entering the aerosol-forming substrate 6, so that the heating structure can separate the sides of the aerosol-forming substrate 6.
  • Regional heating simultaneously heats the air entering the aerosol-forming substrate 6 to achieve uniform and thorough baking of the aerosol-forming substrate 6 and achieve a better smoking effect.
  • the aerosol generating device is a heat-not-burn device.
  • the aerosol generating device includes a shell and the heating structure in the above embodiment, and the heating structure is installed in the shell.
  • the power supply is connected to the first heating body 2, the second heating body 3 and the heater 4 of the heating structure through the wires.
  • the power supply supplies power to the first heating body 2, the second heating body 3 and the heater 4.
  • the first heating element 2, the second heating element 3 and the heater 4 convert electrical energy into thermal energy to heat and bake the circumferential side of the aerosol forming substrate 6 and the incoming air.
  • the aerosol generating device of this embodiment adopts the heating structure of the above embodiment, which can heat the side of the aerosol-forming substrate and simultaneously heat the air entering the aerosol-forming substrate, thereby achieving uniform and thorough baking of the aerosol-forming substrate 6 , with better smoking effect.

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  • Resistance Heating (AREA)

Abstract

L'invention concerne une structure de chauffage d'un dispositif de génération d'aérosol et un dispositif de génération d'aérosol. La structure de chauffage comprend : un tuyau de chauffage (1), le tuyau de chauffage (1) étant pourvu d'une cavité de chauffage (11) destinée à recevoir une matrice de formation d'aérosol (6), une première extrémité du tuyau de chauffage (1) étant utilisée pour être reliée à la matrice de formation d'aérosol (6) par insertion, et le tuyau de chauffage (1) étant pourvu d'un premier élément chauffant (2) et d'un second élément chauffant (3) ; et un dispositif de chauffage (4), le dispositif de chauffage (4) étant monté au niveau d'une partie extrémité du tuyau de chauffage (1), et le dispositif de chauffage (4) étant pourvu de trous d'entrée d'air (41) en communication avec la cavité de chauffage (11). Le tuyau de chauffage (1) est pourvu du premier élément chauffant (2) et du second élément chauffant (3) répartis au niveau de la première extrémité et de la seconde extrémité, le premier élément chauffant (2) et le second élément chauffant (3) peuvent respectivement chauffer la partie intermédiaire et la partie extrémité de la matrice de formation d'aérosol (6), et le dispositif de chauffage (4) est utilisé pour chauffer l'air entrant dans la matrice de formation d'aérosol (6), de telle sorte que la structure de chauffage puisse chauffer par endroits la surface latérale de la matrice de formation d'aérosol (6) tout en chauffant l'air entrant dans la matrice de formation d'aérosol (6), ce qui permet de cuire uniformément et complètement la matrice de formation d'aérosol (6), ce qui permet d'obtenir un meilleur effet d'émission de fumée.
PCT/CN2022/126018 2022-03-15 2022-10-18 Structure de chauffage de dispositif de génération d'aérosol et dispositif de génération d'aérosol WO2023173736A1 (fr)

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CN202220575841.5 2022-03-15
CN202220575841.5U CN217547287U (zh) 2022-03-15 2022-03-15 一种气溶胶产生装置的加热结构和气溶胶产生装置

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CN217547287U (zh) * 2022-03-15 2022-10-11 深圳市基克纳科技有限公司 一种气溶胶产生装置的加热结构和气溶胶产生装置

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CN114128932A (zh) * 2021-11-30 2022-03-04 北京温致科技有限公司 加热模组及加热不燃烧烟具
CN114158788A (zh) * 2021-12-07 2022-03-11 深圳麦时科技有限公司 发热组件及气溶胶形成装置
CN217547287U (zh) * 2022-03-15 2022-10-11 深圳市基克纳科技有限公司 一种气溶胶产生装置的加热结构和气溶胶产生装置

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