WO2023124523A1 - Dispositif d'atomisation et ensemble de chauffage par micro-ondes - Google Patents

Dispositif d'atomisation et ensemble de chauffage par micro-ondes Download PDF

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Publication number
WO2023124523A1
WO2023124523A1 PCT/CN2022/129645 CN2022129645W WO2023124523A1 WO 2023124523 A1 WO2023124523 A1 WO 2023124523A1 CN 2022129645 W CN2022129645 W CN 2022129645W WO 2023124523 A1 WO2023124523 A1 WO 2023124523A1
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WO
WIPO (PCT)
Prior art keywords
cavity
heating assembly
microwave heating
assembly according
microwave
Prior art date
Application number
PCT/CN2022/129645
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English (en)
Chinese (zh)
Inventor
杜靖
卜桂华
程志文
梁峰
Original Assignee
深圳麦时科技有限公司
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.)
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Application filed by 深圳麦时科技有限公司 filed Critical 深圳麦时科技有限公司
Priority to KR1020247021065A priority Critical patent/KR20240118792A/ko
Publication of WO2023124523A1 publication Critical patent/WO2023124523A1/fr

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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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • H05B6/802—Apparatus for specific applications for heating fluids
    • 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
    • A24F40/50—Control or monitoring
    • 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
    • A24F40/53—Monitoring, e.g. fault detection

Definitions

  • the invention relates to the field of atomization, and more specifically relates to an atomization device and a microwave heating assembly.
  • the heating temperature of the heat-not-burn smoking substrate is generally between 250-350°C.
  • heat-not-burn cigarettes can greatly reduce the harm of harmful substances in tobacco to smokers while retaining the taste of traditional cigarettes , no high-temperature combustion cracking process occurs, thereby reducing the release of tar and harmful substances in tobacco, and can greatly reduce the harm of second-hand smoke.
  • the technical problem to be solved by the present invention is to provide an atomizing device and a microwave heating assembly for the above-mentioned defects of the prior art.
  • the technical solution adopted by the present invention to solve the technical problem is to construct a microwave heating assembly, including a cavity, a conductor column, a microwave feeding device, and a temperature measuring device;
  • the cavity is cylindrical and has a closed bottom, and a feed-in hole is provided on the side wall of the cavity, so that the microwave feed-in device can feed microwaves into the cavity through the feed-in hole;
  • the conductor column is arranged at the bottom of the cavity, and the conductor column is connected to the bottom of the cavity and conducts electricity;
  • the temperature measuring device is arranged in the cavity for measuring the temperature of the aerosol-forming substrate inserted into the cavity.
  • a receiving hole is opened in the middle of the conductor post, and the temperature measuring device is inserted into the receiving hole.
  • the temperature measurement device includes a hollow probe and a temperature measurement component, the temperature measurement component is inserted into the probe, and the outer end of the probe is closed.
  • the temperature measurement component includes a thermocouple or an optical fiber.
  • the probe is in ohmic contact with the conductor post.
  • the microwave feed-in device is inserted into the cavity through the feed-in hole, and is in contact with the inner wall of the cavity and/or the surface of the conductor post, so as to feed microwaves into the cavity. into the microwave;
  • a dielectric is provided between the outer wall of the conductor column and the inner wall of the cavity.
  • the cavity is made of conductive metal material.
  • the inner wall of the cavity is coated with a first conductive layer.
  • the conductor post is a hollow or solid structure, and the outer wall is conductive.
  • the conductor post is made of conductive material.
  • the outer wall of the conductor column is coated with a second conductive layer.
  • the microwave feed-in device is in-line, and one end is in contact with the side wall surface of the conductor post.
  • the microwave feed-in device is L-shaped, and one end is in contact with the bottom surface of the cavity.
  • the dielectric body is lower than the conductor post, or flush with the conductor post, or higher than the conductor post, and lower than the cavity, or flush with the cavity height, or above the cavity.
  • the inner ring of the dielectric body is provided with a positioning portion protruding toward the middle.
  • the positioning parts are ribs and ribs.
  • the material of the dielectric body includes alumina, corundum, mullite, forsterite, magnesia, zirconia, silicon oxide, zircon, boron nitride, aluminum nitride, spodumene, ⁇ BaTiO3-based ceramics between 30 and 40, MgTiO3, CaTiO3-based ceramics, SrTiO3, Ba(Zn, Nb)O3-based, Ba(Sr, Ta)O3-based and BaO-Nd2O3 with ⁇ between 70 and 90 - One or a combination of at least two of TiO2, BaO-Sm2O3-TiO2 rare earth mixed crystal systems.
  • the cavity is further provided with a fixing device for fixing the aerosol-forming substrate, and the material of the fixing device is microwave-permeable.
  • the loss tangent of the material of the fixing device is less than 0.1.
  • the fixing device is made of plastic.
  • An atomization device comprising the microwave heating assembly.
  • the atomization device and microwave heating assembly implementing the present invention have the following beneficial effects: the temperature measuring device of the microwave heating assembly can more accurately grasp the atomization temperature of the aerosol-forming substrate in the cavity, allowing users to make timely action adjustments according to the temperature , to control the release of harmful substances in the aerosol-forming matrix.
  • Fig. 1 is a block diagram of an atomization device in an embodiment of the present invention
  • Fig. 2 is a schematic diagram of the three-dimensional structure of the microwave heating assembly in the embodiment of the present invention.
  • Fig. 3 is a schematic cross-sectional structure diagram of the microwave heating assembly in Fig. 1;
  • Fig. 4 is a structural schematic diagram of a microwave heating resonant cavity
  • Fig. 5 is a schematic diagram when the dielectric body is higher than the conductor post
  • Fig. 6 is a schematic diagram when the dielectric body is lower than the conductor post
  • Fig. 7 is a schematic diagram when the height of the dielectric body is equal to that of the conductor post.
  • the atomizing device in a preferred embodiment of the present invention includes a microwave heating assembly 10, a control module 20, a battery module 30, and a microwave generator 40, and the battery module 30 is electrically connected to the control module 20 and the microwave generator 40.
  • the control module 20 Connect to supply power to the control module 20 and the microwave generator 40, so that the microwave feed-in device produces 40 microwaves, and the control module 20 is used to control parameters such as microwave power output by the microwave generator 40, heating time, and start-stop interval.
  • the microwave heating assembly 10 includes a cavity 1 , a conductor post 2 , and a microwave feeding device 3 .
  • the cavity 1 can be inserted into the aerosol-forming substrate 7 , which can be tobacco or the like.
  • the microwave generating device 40 is connected with the microwave feed-in device 3, and the microwave feeding device 3 is arranged between the microwave generating device 40 and the cavity 1, and is used to transmit the microwave generated by the microwave generating device 40 into the cavity 1, and utilizes the microwave to The aerosol-forming substrate 7 inside the cavity 1 is heated.
  • the cavity 1 is cylindrical with one end closed, and a feed-in hole 11 is provided on the side wall of the cavity 1 .
  • the conductor column 2 is arranged at the bottom of the cavity 1, and the conductor column 2 is connected with the bottom of the cavity 1 and conducts electricity.
  • the microwave feed-in device 3 is inserted into the cavity 1 through the feed-in hole 11 , and is in contact with the inner wall of the cavity 1 and/or the surface of the conductor post 2 , so as to feed microwaves into the cavity 1 .
  • a dielectric body 4 is provided between the outer wall of the conductor post 2 and the inner wall of the cavity 1 .
  • the ⁇ /4 coaxial resonant cavity is composed of a coaxial line with one end shorted and one end open.
  • the open end of the ⁇ /4 coaxial resonant cavity is realized by a section of circular waveguide in the cut-off state.
  • the quality factor of the ⁇ /4 coaxial resonator is:
  • the difference between the ⁇ /4 coaxial resonator and the ⁇ /2 coaxial resonator is that it has one less end face conductor loss.
  • the minimum size of the ⁇ /4 coaxial resonant cavity is ⁇ 1/4 of the electromagnetic wavelength.
  • the wavelength of the 2.45GHz electromagnetic wave in the air is about 12.24cm, and at this time l is about 3.06cm, If l is to be shortened, the wavelength of the electromagnetic wave needs to be shortened.
  • the wavelength of the electromagnetic wave in the material can be calculated according to the following formula: For dielectric materials, ⁇ r is generally l, and when ⁇ r is larger, the wavelength is shorter, and l can also be designed to be shorter, so the miniaturization of the cavity 1 can be realized.
  • the microwave heating assembly 10 can reduce the length of the resonant cavity by filling the interior of the cavity 1 with high-dielectric materials, thereby realizing the reduction of the volume of the cavity 1, which is conducive to the miniaturization of the atomization device, and the cavity can be put into the aerosol to form Substrate 7, using microwaves to heat the aerosol-forming substrate 7, can greatly reduce the harm of harmful substances in tobacco to smokers, without high-temperature combustion and cracking process, thereby reducing the release of tar and harmful substances in tobacco , can greatly reduce the harm of second-hand smoke.
  • the cavity 1 is made of conductive metal material, generally made of conductive metals such as aluminum, copper, gold, silver, and stainless steel.
  • the inner wall of the cavity 1 may also be coated with a first conductive layer 12 , such as gold plating, silver plating, copper plating, and the like.
  • the conductor post 2 is a hollow or solid structure, and the outer wall is conductive, so as to form microwave radiation in the cavity 1 after the microwave is fed into the cavity 1 .
  • the conductor post 2 is a conductive material, preferably a conductive metal material, or other high-conductivity material.
  • the conductor column 2 can also be a non-metallic material, and the outer wall surface of the conductor column 2 is coated with a second conductive layer 21, and the second conductive layer 21 is a metal-plated thin film layer, such as gold-plated, silver-plated , Copper plating and so on.
  • the microwave feeding device 3 is generally a coaxial connector, one end of which is connected to the microwave source microwave generating device 40 , and the other end is inserted into the cavity 1 through the feeding port.
  • the microwave feed-in device 3 can be in-line, and one end inserted into the cavity 1 is in contact with the side wall surface of the conductor post 2 .
  • the microwave feeding device 3 may also be L-shaped, and one end inserted into the cavity 1 is in contact with the bottom surface of the cavity 1 .
  • the shape of one end of the microwave feeding device 3 inserted into the cavity 1 can also be arc-shaped or other shapes, as long as it can be in contact with the inner wall of the cavity 1 or the outer wall of the conductor post 2.
  • the dielectric body 4 is lower than the conductor column 2, as shown in Figure 7, the dielectric body 4 can also be flush with the conductor column 2, as shown in Figure 3 and Figure 5 , the dielectric body 4 can also be higher than the conductor post 2 and lower than the cavity body 1 , and in other embodiments, the dielectric body 4 can also be level with the cavity body 1 or higher than the cavity body 1 .
  • the dielectric body 4 when the dielectric body 4 is higher than the conductor post 2 and lower than the cavity 1, or the dielectric body 4 is level with the cavity body 1, or the dielectric body 4 is higher than the cavity body 1 in these several cases, the dielectric body 4 also has the effect of fixing the aerosol-forming matrix 7 at the same time, that is, the inner diameter of the dielectric body 4 is slightly larger than the diameter of the aerosol-forming matrix 7, allowing the aerosol-forming matrix 7 to be inserted into the dielectric body. The inner hole of the body 4 is fixed.
  • a positioning portion protruding toward the middle is provided on the inner ring of the dielectric body 4 , which can position and engage the aerosol-forming substrate 7 inserted into the dielectric body 4 .
  • the positioning parts are ribs and ribs, which can not only fix the aerosol-forming substrate 7, but also form an air channel between the inner wall surface of the dielectric body 4 and the aerosol-forming substrate 7 to allow the smoke to flow.
  • a fixing device 5 for fixing the aerosol-forming substrate 7 can also be provided in the cavity 1, the material of the fixing device 5 can penetrate microwaves, and the aerosol-forming substrate 7 can be microwave atomized.
  • the loss tangent of the material of the fixing device 5 is less than 0.1, and the material of the fixing device 5 is plastic. Specifically, it may be peek, that is, polyether ether ketone.
  • the material of the dielectric body 4 may include alumina, corundum, mullite, forsterite, magnesia, zirconia, silicon oxide, zircon, boron nitride, aluminum nitride, spodumene Stone and various glass dielectric materials, etc.
  • the material of the dielectric body 4 is alumina or zirconia.
  • a temperature measuring device 6 for measuring the temperature of the aerosol-forming substrate inserted into the chamber.
  • a housing hole 22 is opened in the middle of the conductor post 2 , and the temperature measuring device 6 is inserted in the housing hole 22 to sense the temperature value in the middle of the cavity 1 .
  • the temperature measuring device 6 includes a hollow probe 61 and a temperature measuring component 62, the temperature measuring component 62 is inserted into the probe 61, and the outer end of the probe 61 is closed.
  • the temperature measurement component 62 includes a thermocouple or an optical fiber, preferably a thermocouple.
  • the central probe makes it possible to measure temperature using a thermocouple (ptc/ntc), and the housing probe 61 of the temperature measuring device 6 is in ohmic contact with the conductor post 2 .

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

L'invention concerne un dispositif d'atomisation et un ensemble de chauffage par micro-ondes (10). L'ensemble de chauffage par micro-ondes (10) comprend une cavité (1), une colonne conductrice (2), un dispositif d'alimentation en micro-ondes (3) et un dispositif de mesure de température (6). La cavité (1) est cylindrique et a un fond fermé, et un trou d'alimentation (11) est formé dans une paroi latérale de la cavité (1), de telle sorte que le dispositif d'alimentation en micro-ondes (3) fournisse des micro-ondes dans la cavité (1) par le trou d'alimentation (11) ; la colonne conductrice (2) est disposée au fond dans la cavité (1), et la colonne conductrice (2) est reliée au fond de la cavité (1) et est électriquement conductrice ; et le dispositif de mesure de température (6) est disposé dans la cavité (1) pour mesurer la température d'une matrice de formation d'aérosol (7) insérée dans la cavité (1). Le dispositif de mesure de température (6) de l'ensemble de chauffage par micro-ondes (10) peut acquérir plus précisément la température d'atomisation de la matrice de formation d'aérosol (7) dans la cavité (1), de telle sorte qu'un utilisateur puisse ajuster l'action en fonction de la température dans le temps, et puisse commander la quantité de libération de substances nocives dans la matrice de formation d'aérosol (7).
PCT/CN2022/129645 2021-12-30 2022-11-03 Dispositif d'atomisation et ensemble de chauffage par micro-ondes WO2023124523A1 (fr)

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CN114794581A (zh) * 2022-05-13 2022-07-29 海南摩尔兄弟科技有限公司 加热组件及微波加热装置
CN117617597A (zh) * 2022-08-11 2024-03-01 深圳麦时科技有限公司 气溶胶生成制品及其制备方法和电子雾化装置
CN115226966A (zh) * 2022-08-16 2022-10-25 湖北中烟工业有限责任公司 一种加热不燃烧卷烟的测温系统及测温方法
WO2024049244A1 (fr) * 2022-08-31 2024-03-07 주식회사 케이티앤지 Ensemble de chauffage et dispositif de génération d'aérosol le comprenant
WO2024092581A1 (fr) * 2022-11-02 2024-05-10 思摩尔国际控股有限公司 Dispositif de génération d'aérosol et ensemble de chauffage à micro-ondes associé
CN117981911A (zh) * 2022-11-07 2024-05-07 思摩尔国际控股有限公司 气溶胶产生装置及其微波加热组件
WO2024113327A1 (fr) * 2022-12-01 2024-06-06 思摩尔国际控股有限公司 Dispositif de génération d'aérosol et ensemble de chauffage par micro-ondes associé
CN118235896A (zh) * 2022-12-22 2024-06-25 思摩尔国际控股有限公司 气溶胶产生装置及其微波加热组件

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