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WO2023173813A1 - Structure de génération d'aérosol à chauffage diélectrique ayant une plaque d'électrode en peigne - Google Patents

Structure de génération d'aérosol à chauffage diélectrique ayant une plaque d'électrode en peigne Download PDF

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Publication number
WO2023173813A1
WO2023173813A1 PCT/CN2022/136265 CN2022136265W WO2023173813A1 WO 2023173813 A1 WO2023173813 A1 WO 2023173813A1 CN 2022136265 W CN2022136265 W CN 2022136265W WO 2023173813 A1 WO2023173813 A1 WO 2023173813A1
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WIPO (PCT)
Prior art keywords
aerosol generating
comb
plate
type electrode
aerosol
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/CN2022/136265
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English (en)
Chinese (zh)
Inventor
刘磊
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.)
China Tobacco Hubei Industrial Co Ltd
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China Tobacco Hubei Industrial 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 China Tobacco Hubei Industrial Co Ltd filed Critical China Tobacco Hubei Industrial Co Ltd
Publication of WO2023173813A1 publication Critical patent/WO2023173813A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • 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
    • A24F40/46—Shape or structure of electric heating means
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
    • 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
    • A24F40/50—Control or monitoring

Definitions

  • the present invention relates to the technical field of aerosol generation, and in particular, the present invention relates to a dielectric heating aerosol generation structure with a comb-type electrode plate.
  • Cigarettes with unique shapes are more popular among people. Therefore, cigarettes need to be heated, not by burning cigarettes but by heating the cigarettes.
  • aerosol-generating devices that generate vapor by heating an aerosol-generating substance. Therefore, research on heated cigarettes and heated aerosol-generating devices is actively being conducted.
  • the aerosol-generating article includes: an aerosol-generating part including a first aerosol-generating substance that does not contain nicotine; and a tobacco filling part disposed to be in contact with the aerosol-generating part.
  • the ends are adjacent, and the tobacco filling portion includes a second aerosol-generating substance containing nicotine; a cooling portion is disposed adjacent the ends of the tobacco filling portion, and the cooling portion is configured cooling the pair of aerosols; and a mouthpiece disposed adjacent to an end of the cooling part.
  • the heating method still uses a resistance heating element, and the resistance heating element can only be placed inside the heating cavity, resulting in a tight gap between the resistance heating element and the aerosol-generating part. It has poor adhesion and low heating efficiency, and it can only heat the outside of the aerosol-generating part but has poor heating effect on the inside, resulting in uneven heating of the entire aerosol-generating part, poor aerosol quality, and poor puffing experience for smokers.
  • the purpose of the present invention is to provide a device with a simple structure that uses dielectric heating instead of resistance heating, which can effectively heat the inside and outside of the entire aerosol-generating base material to generate aerosols, and the electrode plates arranged in a comb type can further guide the air.
  • the sol-generating parts are inserted and clamped, and the dielectric heating aerosol-generating structure with comb-type electrode plates has high heating efficiency and can also promote uniform heat distribution during the dielectric heating process.
  • the present invention adopts the following technical solutions to achieve:
  • a dielectric heating aerosol generating structure with a comb-type electrode plate including an aerosol generating component and an aerosol generating device.
  • the aerosol generating component includes an aerosol generating base material, a filter tip and a filter tip arranged on the filter tip and the aerosol generating device.
  • the hollow acetate tube between the aerosol-generating base materials, the aerosol-generating base material is provided with a sensor, and the aerosol-generating device is provided with a working chamber for facilitating the insertion of the aerosol-generating base material,
  • a comb-type electrode plate is provided in the working chamber, and the aerosol generation device is also provided with a power supply for powering the comb-type electrode plate and a controller for controlling the power supply to form alternating current, so that when the When the aerosol-generating substrate is inserted into the working chamber, the controller controls the power supply to form alternating current to power the comb plate, thereby forming an alternating electric field for dielectric heating at the comb plate. the receptors.
  • the comb-type electrode plate includes a first main rod, a second main rod, an anode plate connected to the first main rod, and a cathode plate connected to the second main rod.
  • the anode The plate and the cathode plate are respectively connected to the positive and negative poles of the power supply, and the anode plate and the cathode plate are arranged in parallel.
  • the working chamber is provided with a protrusion extending between the anode plate and the cathode plate.
  • the anode plate and the cathode plate are both disposed on the inner wall of the working chamber, and an envelope space is formed between the anode plate and the cathode plate to facilitate the insertion of the aerosol-generating substrate. .
  • the number of the anode plate and the cathode plate is at least one, and there is at least one cathode plate between two adjacent anode plates.
  • the diameter of the envelope space enclosed between the anode plate and the cathode plate near the open end of the working chamber is not smaller than that between the anode plate and the cathode plate near the bottom end of the working chamber.
  • a wrapping layer is provided on the outside of the aerosol generating article.
  • the side wall of the aerosol generating device is provided with a switch electrically connected to the controller.
  • the side wall of the aerosol generating device is provided with a through hole for communicating with the working chamber.
  • the susceptor is a plurality of particle spherical parts with openings on the surface.
  • the beneficial effect of the dielectric heating aerosol generation structure with comb-type electrode plates of the present invention is that the structure is simple, the dielectric heating method is used instead of the resistance heating method, and the entire aerosol generation base material can be effectively heated inside and outside.
  • the aerosol is generated, and the comb-type electrode plates can further guide the insertion and clamping of the aerosol-generating parts. While the heating efficiency is high, it can also promote uniform heat distribution during the dielectric heating process.
  • Figure 1 is a schematic three-dimensional view of the overall structure of an embodiment of a dielectric heating aerosol generating structure with comb-type electrode plates according to the present invention
  • Figure 2 is a schematic front cross-sectional view of the overall structure of an embodiment of a dielectric heating aerosol generating structure with comb-type electrode plates according to the present invention
  • Figure 3 is a schematic three-dimensional view of the split structure of the comb-type electrode plate in one embodiment of the dielectric heating aerosol generation structure with comb-type electrode plates of the present invention
  • Figure 4 is a schematic three-dimensional view of an aerosol generating device in one embodiment of a dielectric heating aerosol generating structure with comb-type electrode plates of the present invention
  • Figure 5 is a schematic top structural view of an aerosol generating device in another embodiment of a dielectric heating aerosol generating structure with comb-type electrode plates according to the present invention
  • Figure 6 is a schematic top view of the aerosol generation device in another embodiment of the dielectric heating aerosol generation structure with comb-type electrode plates of the present invention.
  • Aerosol generation device 11. Working chamber, 12. Comb plate, 121. Anode plate, 122. Cathode plate, 123. First main rod, 124. Second main rod, 13. Power supply, 14. Controller, 15. Through hole, 16. Switch, 2. Aerosol generating parts, 21. Filter, 22. Aerosol generating base material, 23. Sensor, 24. Hollow acetate tube.
  • a dielectric heating aerosol generating structure with a comb-type electrode plate includes an aerosol generating article 2 and an aerosol generating device.
  • the aerosol generating article 2 includes an aerosol generating substrate 22, a filter 21 and a hollow acetate tube 24 disposed between the filter 21 and the aerosol generating substrate 22.
  • the aerosol The generating base material 22 is provided with a sensor 23.
  • the aerosol generating device 1 is provided with a working chamber 11 for facilitating the insertion of the aerosol generating base material 22.
  • the working chamber 11 is provided with a comb-type electrode plate 12.
  • the aerosol generating device 1 is also provided with a power supply 13 for powering the comb plate 12 and a controller 14 for controlling the power supply 13 to form alternating current, so that when the aerosol generating base material 22 is inserted When entering the working chamber 11 , the controller 14 controls the power supply 13 to form alternating current to supply power to the comb electrode plate 12 , thereby forming an alternating electric field dielectric heating station at the comb electrode plate 12 . Said receptor 23.
  • the comb-type plate 12 includes a first main rod 123, a second main rod 124, an anode plate 121 connected to the first main rod 124, and a cathode plate 122 connected to the second main rod 124,
  • the anode plate 121 and the cathode plate 122 are respectively connected to the positive and negative poles of the power supply 13 (actually, the anode plate 121 is connected to the positive pole of the power supply 13 through the first main rod 123; the cathode plate 122 is connected to the positive pole of the power supply 13 through the second main rod.
  • 124 is connected to the negative electrode of the power supply 13), and the anode plate 121 and the cathode plate 122 are arranged in parallel.
  • one end of the aerosol generating article 2 close to the aerosol generating substrate 22 is inserted into the working chamber 11 of the aerosol generating device 1.
  • the anode plate 121 and the anode plate 121 in the comb-type plate 12 are The cathode plate 122 is connected to the positive and negative poles of the power supply 13 respectively, and then the controller 14 controls the power supply 13 to form alternating current, so that an alternating electric field is formed between the anode plate 121 and the cathode plate 122 to dielectrically heat the sensor 23.
  • the electric dipole in the sensor medium rotates and vibrates violently along the direction of the electric field, and the friction between the molecules generates heat, which in turn heats the aerosol-generating base material 22 to generate aerosol; since the sensor 23 is disposed in the aerosol-generating base material 22 , which is equivalent to uniformly heating the aerosol-generating base material 22 from the inside.
  • anode plate 121 and at least one cathode plate 122 there is at least one anode plate 121 and at least one cathode plate 122 in the comb-type plate 12.
  • a plurality of the anode plates 121 and cathode plates 122 are evenly distributed on the inner wall of the working chamber 11.
  • first main rod 123 and the second main rod 124 extend along the axial direction of the working chamber 11 and are arranged on the inner wall of the working chamber 11
  • the anode plate 121 and the cathode plate 122 extend along the circumferential direction of the working chamber 11 It extends on the inner wall of the working chamber 11 , and forms an envelope space between the anode plate 121 and the cathode plate 122 to facilitate the insertion of the aerosol generating substrate 22 .
  • the diameter of the envelope space enclosed between the anode plate 121 and the cathode plate 122 near the open end of the working chamber 11 is not smaller than that of the anode plate 121 and cathode plate near the bottom end of the working chamber 11 The diameter of the envelope space enclosed by 122. This can provide the working chamber 11 with a tapered cross-sectional area, which can facilitate the insertion of the aerosol-generating article 2 between the anode plate 121 and the cathode plate 122 .
  • the working chamber 11 is provided with a protrusion 111 extending between the anode plate 121 and the cathode plate 122 .
  • each anode plate 121 or cathode plate 122 is located on two adjacent protrusions 111
  • the protruding portion 111 can not only limit the position of the anode plate 121 and the cathode plate 12, but also prevent the anode plate 121 and the cathode plate 12 from being in direct contact and causing a short circuit in the power supply 13.
  • the aerosol generating article 2 further includes a filter 21 and a hollow acetate tube 24 disposed between the filter 21 and the aerosol generating base material 22 , as well as a side wall of the aerosol generating device 1 A through hole 15 for communicating with the working chamber 11 is provided.
  • the controller 14 controls the power supply 13 to form an alternating current with a frequency of not less than 2 MHz.
  • the frequency range of the high-frequency oscillating current can be 2MHz to 2.5GHz. You can choose a more conventional frequency of 2MHz to 300MHz, or you can choose an unconventional frequency of 500MHz to 1GHz, so that a high frequency is formed between the anode plate 121 and the cathode plate 122 In the oscillating electric field, high-efficiency heating can be performed without establishing a direct connection or electrical connection between the comb plate 12 and the medium of the sensor 23.
  • Controller 14 may be a microprocessor, which may be a programmable microprocessor; controller 14 may include other electronic components; controller 14 may be configured to regulate the supply of power to the dielectric heater; power may be provided upon activation of the device. Power may be supplied to the dielectric heater continuously, or may be supplied intermittently, such as on a puff-by-puff basis; power may be supplied to the dielectric heater in the form of current pulses.
  • Power source 13 may be a battery; alternatively, power source 13 may be another form of charge storage device, such as a capacitor; power source 13 may also require charging, and may have a capacity that allows sufficient energy to be stored for one or more puffs; e.g. , the power supply 13 may be of sufficient capacity to allow continuous aerosol generation for a period of approximately six minutes or a multiple of six minutes. Even the power supply 13 may have sufficient capacity to allow a predetermined number of puffs or discrete activations of the induction heater.
  • the dielectric heating aerosol generation structure with comb-type electrode plates of the present invention has a simple structure, uses dielectric heating instead of resistance heating, and can effectively heat the inside and outside of the entire aerosol generation base material to generate aerosol, and
  • the electrode plates arranged in a comb style can further guide the insertion and clamping of aerosol-generating parts. While the heating efficiency is high, it can also promote uniform heat distribution during the dielectric heating process.
  • Embodiment 2 is only one embodiment of the present invention.
  • a wrapping layer is provided on the outside of the aerosol-generating part 2.
  • the wrapping layer may be a soft piece, which can prevent friction damage between the outside of the aerosol-generating part 2 and the comb electrode plate 12.
  • a switch 16 electrically connected to the controller 14 is provided on the side wall of the aerosol generating device 1 .
  • the induction heater can be triggered by pressing switch 16 while the user is puffing.
  • receptor is essentially a receptor medium, which refers to a substance that becomes heated when subjected to a changing electric field. This can cause the electric dipoles in the medium of the receptor 23 to violently rotate and vibrate along the direction of the electric field, thereby causing molecules to interact with each other. The friction between them produces heat.
  • the medium of the sensor 23 is located in the working chamber 11 of the aerosol generating device 1 and is physically combined with the aerosol generating substrate 22 . In this manner, the aerosol-generating substrate 22 is dielectrically heated during use such that an aerosol is formed for puffing.
  • the susceptor medium can be solid, hollow or porous; the susceptor medium can be any one of solid, liquid, and solid-liquid mixture.
  • the susceptor 23 medium may be formed of any material that can be dielectrically heated to a temperature sufficient to atomize the aerosol-generating substrate 22.
  • Suitable materials for the susceptor 23 medium include water, alcohols, metal oxides and various inorganic salts, such as barium dioxide and ferrite.
  • the sensor medium can be water or alcohol, which can be heated to a temperature of 250 degrees Celsius or more.
  • the susceptor 23 is a plurality of particle spheres with openings on the surface.
  • the particle size of each solid particle ranges from 10 microns to 200 microns (15 microns to about 100 microns can be further selected, and under optimal circumstances, a particle size of 15 microns to 25 microns can be selected) , and each particle can be provided with 10 to 1000 micropores, and the pore diameter of each micropore ranges from 10 nanometers to 10 microns.
  • suitable materials for comb plates 12 include graphite, molybdenum, silicon carbide, stainless steel, niobium, and aluminum.
  • the comb plate 12 is made of metal.
  • the housing of the aerosol generating device 1 can be made of a non-polar material, so that no dielectric losses occur in the housing.
  • the housing may be made of a non-susceptor dielectric material (eg, a non-polar non-susceptor material).
  • the portion between the housing 1 and the comb plate 12 can also be made of non-polar material.
  • Embodiment 3 is only one embodiment of the present invention.
  • the present invention has a dielectric heating aerosol generation structure with comb-type electrode plates.
  • the outline of the outer wall of the comb electrode plate 12 can be cylindrical or prismatic, because the working chamber 11 can also be cylindrical, elliptical cylinder or (poly) prismatic, the comb electrode plate 12 and the working chamber 11
  • the shape of the inner side walls can be the same.
  • the comb-type electrode plate 12 is formed by an array of multiple sheet-shaped electrode plates, is arranged around at least a part of the working chamber 11 and has an anode plate 121 and a cathode plate 122 with a solid sheet-like structure.
  • the anode plate 121 and the cathode plate 122 may have any suitable cross-section.
  • the anode plate 121 and the cathode plate 122 may respectively have a square, oval, rectangular, triangular, pentagonal, hexagonal or similar cross-sectional shape.
  • the comb-type electrode plates 12 are at least one pair (anode plate 121 and cathode plate 122), and can also be any number of pairs greater than two, but at least one anode plate 121 and one cathode plate 122 are ensured, and it should be noted that , the number of cathodes and anodes does not have to be the same.
  • the anode plate 121 and the cathode plate 122 are both part of a circular ring, and the extension direction of the anode plate 121 and the cathode plate 122 is the same as the circumferential direction of the working chamber 11, as shown in Figure 3 , shown in 4;
  • first main rod 123 and the second main rod 124 are arranged on the same side of the working chamber 11 (but the first main rod 123 and the second main rod 124 are not connected), and the anode plate 121 and the cathode plate 122 are respectively Surround to both sides in different directions until the working chamber 11 is almost completely filled, as shown in Figure 5;
  • first main rod 123 and the second main rod 124 are respectively disposed on both sides of the working chamber 11, and the anode plates 121 respectively extend from both ends of the first main rod 123 and surround the working chamber 11 for most of the circumference.
  • the cathode plates 122 respectively extend from both ends of the second main rod 124, surround most of the working chamber 11 and extend in the direction of the first main rod 123; and the cathode plate 122 is close to the first main rod 123.
  • One end of the rod 123 extends between the two anode plates 121, as shown in Figure 6, which can make the electric field intensity at the medium of the sensor 23 more uniform.
  • the dielectric heating aerosol generation structure with comb-type electrode plates of the present invention has a simple structure, uses dielectric heating instead of resistance heating, and can effectively heat the inside and outside of the entire aerosol generation base material to generate aerosol, and
  • the electrode plates arranged in a comb style can further guide the insertion and clamping of aerosol-generating parts. While the heating efficiency is high, it can also promote uniform heat distribution during the dielectric heating process.

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  • Resistance Heating (AREA)

Abstract

L'invention concerne une structure de génération d'aérosol à chauffage diélectrique ayant une plaque d'électrode en peigne (12), la structure comprenant une partie de génération d'aérosol (2) et un dispositif de génération d'aérosol (1). La partie de génération d'aérosol (2) comprend un substrat de génération d'aérosol (22), un bout-filtre (21) et un tube en acétate creux (24) ; un suscepteur (23) est disposé dans le substrat de génération d'aérosol (22) ; une cavité de travail (11) est formée dans le dispositif de génération d'aérosol (1) ; la plaque d'électrode en peigne (12) est disposée dans la cavité de travail (11) ; une alimentation électrique (13) et un dispositif de commande (14) sont agencés sur le dispositif de génération d'aérosol (1), de telle sorte que lorsque le substrat de génération d'aérosol (22) est inséré dans la cavité de travail (11), le dispositif de commande (14) commande l'alimentation électrique (13) pour qu'elle forme un courant alternatif pour fournir de l'énergie à la plaque d'électrode en peigne (12), de façon à former un champ électrique alternatif pour chauffer de manière diélectrique le suscepteur (23). En utilisant un mode de chauffage diélectrique, l'intérieur et l'extérieur de l'ensemble du substrat de génération d'aérosol (22) peuvent être chauffés efficacement pour générer un aérosol, et la plaque d'électrode en peigne (12) peut guider l'insertion et le serrage de la partie de génération d'aérosol (2), de telle sorte que l'efficacité de chauffage soit élevée, et qu'une distribution de chaleur uniforme dans le processus de chauffage diélectrique puisse être favorisée.
PCT/CN2022/136265 2022-03-17 2022-12-02 Structure de génération d'aérosol à chauffage diélectrique ayant une plaque d'électrode en peigne Ceased WO2023173813A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210263838.4 2022-03-17
CN202210263838.4A CN114468375B (zh) 2022-03-17 2022-03-17 一种具有梳式极板的介电加热气溶胶生成结构

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WO2023173813A1 true WO2023173813A1 (fr) 2023-09-21

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WO (1) WO2023173813A1 (fr)

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CN113892695A (zh) * 2021-11-09 2022-01-07 深圳麦克韦尔科技有限公司 加热器件及电子雾化装置
CN114468375A (zh) * 2022-03-17 2022-05-13 湖北中烟工业有限责任公司 一种具有梳式极板的介电加热气溶胶生成结构
CN216961513U (zh) * 2022-03-17 2022-07-15 湖北中烟工业有限责任公司 一种具有梳式极板的介电加热气溶胶生成结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025073958A1 (fr) * 2023-10-05 2025-04-10 Philip Morris Products S.A. Dispositif de génération d'aérosol à chauffage diélectrique présentant un chauffage diélectrique par zones

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