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WO2024119849A1 - Ensemble de chauffage et dispositif de vapotage à chauffage sans combustion - Google Patents

Ensemble de chauffage et dispositif de vapotage à chauffage sans combustion Download PDF

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Publication number
WO2024119849A1
WO2024119849A1 PCT/CN2023/109447 CN2023109447W WO2024119849A1 WO 2024119849 A1 WO2024119849 A1 WO 2024119849A1 CN 2023109447 W CN2023109447 W CN 2023109447W WO 2024119849 A1 WO2024119849 A1 WO 2024119849A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
heat
accommodating
heating
carbon fiber
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/CN2023/109447
Other languages
English (en)
Chinese (zh)
Inventor
陈家太
周胜文
李雪
林云燕
过继发
陈时凯
刘光烜
孔哲
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.)
Smiss Technology Co Ltd
Original Assignee
Smiss Technology 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
Priority claimed from CN202223313729.3U external-priority patent/CN219288763U/zh
Priority claimed from CN202320048583.XU external-priority patent/CN219679780U/zh
Priority claimed from CN202310011601.1A external-priority patent/CN115997996A/zh
Priority claimed from CN202320048585.9U external-priority patent/CN219679781U/zh
Priority claimed from CN202320058971.6U external-priority patent/CN219270173U/zh
Priority claimed from CN202320027469.9U external-priority patent/CN219270172U/zh
Priority claimed from CN202320212156.0U external-priority patent/CN219537472U/zh
Priority claimed from CN202320273843.3U external-priority patent/CN219288774U/zh
Priority claimed from CN202310130575.4A external-priority patent/CN116035282A/zh
Application filed by Smiss Technology Co Ltd filed Critical Smiss Technology Co Ltd
Publication of WO2024119849A1 publication Critical patent/WO2024119849A1/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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the present application relates to the technical field of heated smoking articles, and in particular to a heating component and a heat-not-burn smoking article.
  • Heat-not-burn cigarettes have the characteristics of no open flames, no ash, no second-hand smoke, 90% harm reduction, and 90% of the taste of traditional cigarettes. Therefore, heat-not-burn electronic cigarettes are considered to be a good substitute for traditional cigarettes.
  • the current heat-not-burn tobacco devices are generally divided into circumferential heating type, central heating type and air heating type.
  • the circumferential heating type non-burning electronic cigarettes generally have heating wires or heating circuits on the heating tube, and the cigarette is inserted into the heating tube. The heat is gradually transferred from the periphery of the cigarette to the inside of the cigarette to heat the cigarette circumferentially.
  • the central heating type heat-not-burn tobacco devices generally have heating wires or heating circuits on ceramic sheets or ceramic needles, and the ceramic sheets or ceramic needles are inserted into the center of the cigarette. The heat is gradually transferred from the inside of the cigarette to the periphery of the cigarette to heat the center of the cigarette.
  • the air heating type heat-not-burn tobacco devices generally have heating wires or heating circuits on the heating body, which first heats the air and then uses the heated air to heat the cigarette.
  • the heating wire or heating circuit is generally made of metal (such as stainless steel, iron-chromium-aluminum, etc.), the heating efficiency of the heating wire or heating circuit is low, and the heat generated by the heating wire or heating circuit can generally only heat the cigarette through heat conduction (through contact heat conduction or air heat transfer), so there are problems such as low heating efficiency and poor heating uniformity.
  • the heating wire or heating circuit is generally exposed to the air and its operating temperature generally reaches 300°C ⁇ 400°C, it is easy to oxidize, thus affecting its service life.
  • the present application provides a heating component and a heat-not-burn smoking device, which uses a carbon fiber heating element as a heating component of the heat-not-burn smoking device, and has the advantages of high heating efficiency and good heating uniformity.
  • a heating component is used to heat an atomizable material, the heating component comprising a container and a carbon fiber heating element arranged in the container, the carbon fiber heating element can generate heat and emit infrared waves after being powered on to heat the atomizable material; the carbon fiber heating element heats the atomizable material in at least one of the following ways:
  • Method 1 The infrared waves emitted by the carbon fiber heating element are directly radiated onto the atomizable material to heat the atomizable material;
  • Method 2 The heat emitted by the carbon fiber heating element is conducted to the container, and the container is in thermal contact with the atomizable material to heat the atomizable material;
  • Method three The heat and infrared waves emitted by the carbon fiber heating element heat the air around the container, and the heated air is used to heat the atomizable material.
  • the carbon fiber heating element is a mesh structure; the carbon fiber heating element has a first electrode connection area, a heating area, and a second electrode connection area sequentially connected along a first direction;
  • the carbon fiber heating element includes carbon fiber filaments, elastic filaments, first conductive filaments and second conductive filaments. There are multiple carbon fiber filaments and they extend along the first direction and are arranged in the first electrode connection area, the heating area and the second electrode connection area. The multiple carbon fiber filaments are arranged at intervals along the second direction, and the second direction is perpendicular to the first direction.
  • the elastic filaments are arranged in the heating area, the first conductive filaments are arranged in the first electrode connection area, and the second conductive filaments are arranged in the second electrode connection area.
  • the elastic filaments, the first conductive filaments and the second conductive filaments are all interwoven and connected with the carbon fiber filaments.
  • each of the elastic threads and each of the carbon fiber threads are interwoven up and down to form a first mesh structure
  • first conductive threads extending along the second direction, the plurality of first conductive threads are arranged at intervals along the first direction in the first electrode connection area, and the first conductive threads and the carbon fiber threads are interwoven up and down to form a second mesh structure;
  • each of the second conductive threads and each of the carbon fiber threads are interwoven up and down to form a third mesh structure.
  • a sealed cavity is provided in the housing, and the sealed cavity is a vacuum cavity or has a protective gas for protecting the carbon fiber heating element, and the carbon fiber heating element is arranged in the sealed cavity.
  • the sealed cavity is a vacuum cavity, and the initial pressure in the sealed cavity is -0.7atm to 0atm.
  • the housing body includes an outer tube and a heat conductor, the heat conductor is at least partially disposed inside the outer tube, the sealed cavity is formed between the outer tube and the heat conductor, and the carbon fiber heating element is disposed between the inner wall of the outer tube and the outer wall of the heat conductor.
  • the carbon fiber heating element is arranged on the outer wall of the heat conductor.
  • the heat conductor is a heat pipe with a cylindrical structure
  • the heat pipe is arranged in the outer pipe
  • the sealed cavity is formed between the outer pipe and the heat pipe
  • a heating channel is provided in the heat pipe; the heating channel is used for inserting the atomizable material to heat the atomizable material; or, the heating channel is used to heat the air to heat the atomizable material through the heated air.
  • the heat-conducting pipe includes interconnected heat-conducting pipe walls and at least one radiation-transmitting pipe wall, and the transmittance of the radiation-transmitting pipe wall to infrared waves is greater than the transmittance of the heat-conducting pipe wall to infrared waves.
  • the heat-conducting pipe includes a plurality of the radiation-transmitting pipe walls, and the plurality of the radiation-transmitting pipe walls are arranged at intervals around the axis of the heat-conducting pipe.
  • the heat-conducting tube and/or the outer tube are transparent tubes; and/or a reflective layer for reflecting infrared waves is provided on the outer wall and/or the inner wall of the outer tube.
  • the heat conductor includes an insertion portion and a support portion which are connected to each other, the support portion is arranged inside the outer tube, the insertion portion is arranged outside the outer tube, and the sealed cavity is formed between the outer tube and the support portion; the insertion portion is used to be inserted into the atomizable material to heat the atomizable material.
  • the heat conductor as a whole is a solid rod-shaped structure; or, the insertion portion is a solid rod-shaped structure, and the interior of the support portion is a hollow structure; or, the interior of the insertion portion and the interior of the support portion are both hollow structures.
  • the housing body is a heating tube with a spiral structure
  • the sealed cavity is formed in the heating tube
  • the carbon fiber heating element is arranged in the heating tube; the heating component is used to heat the air around the heating tube so as to heat the atomizable material through the heated air.
  • the heating component further comprises a support body, the support body is disposed in the sealed cavity, the support body is in a spiral structure, and the carbon fiber heating element is wound around the support body.
  • the housing body is a needle-type tube body, which has a conical structure as a whole, the sealed cavity is formed in the needle-type tube body, and the carbon fiber heating element is arranged in the needle-type tube body; the needle-type tube body is used to be inserted into the atomizable material to heat the atomizable material.
  • the heating component further comprises a support column, the support column is disposed in the sealed cavity, and the carbon fiber heating element is wound around the support column.
  • a heat-not-burn smoking device comprises a shell and the above-mentioned heating component, wherein the heating component is arranged in the shell; a sealed cavity is provided in the accommodating body, and the sealed cavity is a vacuum cavity or has a protective gas for protecting the carbon fiber heating element, and the carbon fiber heating element is arranged in the sealed cavity.
  • the housing body includes an outer tube and a heat conductor, the heat conductor is a heat pipe with a cylindrical structure, the heat pipe is arranged in the outer tube, and the sealed cavity is formed between the outer tube and the heat pipe; a heating channel is provided in the heat pipe for inserting atomizable material, a first opening is provided at the top of the shell corresponding to the position of the heating channel, and a first air inlet hole connected to the heating channel is provided at the bottom of the shell.
  • the housing includes an outer tube and a heat conductor, the heat conductor is a heat conducting tube with a cylindrical structure, the heat conducting tube is arranged in the outer tube, and the sealed cavity is formed between the outer tube and the heat conducting tube;
  • a accommodating cylinder is provided in the shell, and the accommodating cylinder is correspondingly arranged above the heating component; the accommodating cylinder has a accommodating cavity for accommodating atomizable materials, and a second opening for inserting the atomizable materials is provided at the top of the accommodating cylinder; a heating channel for heating air is provided in the heat-conducting tube, and the heating channel is connected with the accommodating cavity, so that the air heated by the heating component can enter the accommodating cavity.
  • a support tube is also provided in the shell, and the support tube is correspondingly located below the accommodating tube, the top end of the support tube is connected to the bottom end of the accommodating tube, and the heating component is located in the support tube;
  • a partition is provided between the support tube and the accommodating tube, and the partition separates the inner cavity of the support tube and the inner cavity of the accommodating tube, and an air vent is provided on the partition;
  • an air gap for air flow to pass through is formed between the inner wall of the support tube and the outer wall of the outer tube, and a first air inlet is provided at the bottom of the shell, and the first air inlet is connected to the heating channel and the air gap at the same time.
  • the accommodating body includes an outer tube and a heat conductor
  • the heat conductor includes an insertion portion and a support portion connected to each other, the support portion is arranged inside the outer tube, the sealed cavity is formed between the outer tube and the support portion, and the insertion portion is arranged outside the outer tube;
  • a accommodating cylinder is provided in the shell, and the accommodating cylinder is correspondingly arranged above the heating component; the accommodating cylinder has a accommodating cavity for accommodating atomizable materials, and the top of the accommodating cylinder is provided with a second opening for inserting the atomizable materials; the insertion portion is used to be inserted into the atomizable material, and the insertion portion is at least partially located in the accommodating cylinder.
  • a support tube is also provided in the shell, and the support tube is correspondingly located below the accommodating tube, the top end of the support tube is connected to the bottom end of the accommodating tube, and the heating component is located in the support tube;
  • a partition is provided between the support tube and the accommodating tube, and the partition separates the inner cavity of the support tube and the inner cavity of the accommodating tube, and the partition is provided with air holes and through holes, and the insertion part extends into the accommodating tube after passing through the through holes;
  • an air gap for air flow to pass through is formed between the inner wall of the support tube and the outer wall of the outer tube, and a first air inlet is provided at the bottom of the shell, and the first air inlet is connected to the air gap.
  • a spiral heat conductive sheet is further provided in the shell, the spiral heat conductive sheet is arranged in the air gap, and the spiral heat conductive sheet is spirally wound on the outer wall of the outer tube.
  • the housing is a heating tube with a spiral structure, the sealed cavity is formed in the heating tube, and the carbon fiber heating element is arranged in the heating tube;
  • the shell body is provided with a accommodating cylinder, and the accommodating cylinder is correspondingly arranged above the heating component; the accommodating cylinder has a accommodating cavity for accommodating atomizable materials, and the top of the accommodating cylinder is provided with a second opening for inserting the atomizable materials; the air heated by the heating component can enter the accommodating cavity.
  • a support tube is also provided in the shell, and the support tube is correspondingly located below the accommodating tube, the top end of the support tube is connected to the bottom end of the accommodating tube, and the heating component is located in the support tube;
  • a partition is provided between the support tube and the accommodating tube, and the partition separates the inner cavity of the support tube from the inner cavity of the accommodating tube, and an air vent is provided on the partition;
  • a first air inlet is provided at the bottom of the shell, and the first air inlet is connected to the inner cavity of the support tube.
  • the accommodating body is a pin-type tube body
  • the pin-type tube body is in a cone-shaped structure as a whole
  • the sealed cavity is formed in the pin-type tube body
  • the carbon fiber heating element is arranged in the pin-type tube body
  • a accommodating tube is provided in the shell, and the accommodating tube has a accommodating cavity for accommodating atomizable materials, and a second opening is provided at the top of the accommodating tube for inserting the atomizable materials; the heating component is arranged in the accommodating tube, and the needle-type tube body is used to be inserted into the atomizable materials; a first air inlet hole is provided at the bottom of the shell, and the first air inlet hole is communicated with the inner cavity of the accommodating tube.
  • the heating component provided in the present application adopts a carbon fiber heating element as a heating component.
  • Carbon fiber is a black body material with an electrothermal conversion efficiency of up to 98%. It heats up quickly and the carbon fiber will not corrode the current when it is heated. At the same time, the carbon fiber can emit infrared waves when it is heated and has the function of radiation heating. Therefore, the carbon fiber heating element can not only heat the atomizable material by heat conduction, but also can perform radiation heating on the atomizable material, and has the advantages of high heating efficiency and good heating uniformity.
  • FIG1 is a schematic cross-sectional view of a heat-not-burn smoking device according to a first embodiment of the present application.
  • FIG. 2 is a schematic cross-sectional view of a heat-not-burn smoking device according to a second embodiment of the present application.
  • FIG3 is a schematic cross-sectional view of a heat-not-burn smoking device according to a third embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of the carbon fiber heating element in FIG. 3 .
  • FIG. 5 is a schematic cross-sectional view of the heat generating component of the fourth embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of the heat conduction pipe in FIG. 5 .
  • FIG. 7 is a schematic cross-sectional view of the heat-not-burn smoking device according to the fifth embodiment of the present application.
  • FIG8 is a schematic cross-sectional view of the heat-not-burn smoking device according to the sixth embodiment of the present application.
  • FIG. 9 is a schematic cross-sectional view of the heat-not-burn smoking device according to the seventh embodiment of the present application.
  • FIG. 10 is a schematic cross-sectional view of the heat-not-burn smoking device according to the eighth embodiment of the present application.
  • FIG. 11 is a schematic cross-sectional view of the heat-not-burn smoking device according to the ninth embodiment of the present application.
  • FIG. 12 is a schematic cross-sectional view of the heat-not-burn smoking device according to the tenth embodiment of the present application.
  • FIG. 13 is a schematic cross-sectional view of the heat-not-burn smoking device according to the eleventh embodiment of the present application.
  • FIG. 14 is a schematic cross-sectional view of the heat-not-burn smoking device according to the twelfth embodiment of the present application.
  • FIG. 15 is a schematic cross-sectional view of the heat-not-burn smoking device according to the thirteenth embodiment of the present application.
  • FIG. 16 is a schematic cross-sectional view of the HNB smoking device according to the fourteenth embodiment of the present application.
  • FIG. 17 is a schematic cross-sectional view of the heat-not-burn smoking device according to the fifteenth embodiment of the present application.
  • FIG. 18 is a schematic cross-sectional structural diagram of the heating component of the sixteenth embodiment of the present application.
  • A, B or C or "A, B and/or C” means "any of the following: A; B; C; A and B; A and C; B and C; A, B and C". Only when the combination of elements, functions, steps or operations is inherently mutually exclusive in some way, will there be an exception to this definition.
  • FIG1 is a schematic cross-sectional view of the heat-not-burn smoking device of the first embodiment of the present application.
  • the heat-not-burn smoking device includes a heating component 1, which is used to heat an atomizable material (not shown) to make the atomizable material produce smoke; the atomizable material is, for example, tobacco material, herbal material, or other material that can be heated to produce aerosol.
  • the heating component 1 includes a container 11 and a carbon fiber heating element 12 disposed in the container 11.
  • the carbon fiber heating element 12 can generate heat (i.e., emit heat) and emit infrared waves after being powered on to heat the atomizable material.
  • the carbon fiber heating element 12 heats the atomizable material in at least one of the following ways:
  • Method 1 The infrared waves emitted by the carbon fiber heating element 12 are directly radiated onto the atomizable material to heat the atomizable material (i.e., radiation heating);
  • Method 2 The heat emitted by the carbon fiber heating element 12 is conducted to the container 11, and the container 11 is in thermal contact with the atomizable material to heat the atomizable material (ie, contact heating);
  • Method three The heat and infrared waves emitted by the carbon fiber heating element 12 heat the air around the container 11 (including the heat and infrared waves emitted by the carbon fiber heating element 12 directly heating the air, and the heat and infrared waves emitted by the carbon fiber heating element 12 first heating the container 11, and then the container 11 heats the air around it), and the heated air is used to heat the atomizable material (i.e., indirect air heating).
  • the heating component 1 provided in the embodiment of the present application adopts a carbon fiber heating element 12 as a heating component.
  • Carbon fiber is a black body material with an electrothermal conversion efficiency of up to 98%. It heats up quickly and the carbon fiber will not corrode the current when it is heated. At the same time, the carbon fiber can emit infrared waves when it is heated and has the function of radiation heating. Therefore, the carbon fiber heating element 12 can not only heat the atomizable material by heat conduction, but also can perform radiation heating on the atomizable material, and has the advantages of high heating efficiency and good heating uniformity.
  • a sealed cavity 110 is provided in the container 11, and the sealed cavity 110 is a vacuum cavity (vacuum means a gas state lower than one atmospheric pressure in a given space, that is, a rarefied gas space with a pressure in a given space less than 101.325 kilopascals (kPa)) or has a protective gas for protecting the carbon fiber heating element 12, and the carbon fiber heating element 12 is arranged in the sealed cavity 110;
  • the protective gas is, for example, nitrogen or argon, but is not limited to this.
  • the present application provides a sealed cavity 110 in the housing 11.
  • the sealed cavity 110 is a vacuum cavity or has a protective gas to protect the carbon fiber heating element 12. This can effectively prevent the carbon fiber heating element 12 from being oxidized and extend the service life of the carbon fiber heating element 12.
  • the sealed cavity 110 is a vacuum cavity
  • the initial pressure in the sealed cavity 110 i.e., the pressure in the sealed cavity 110 before the carbon fiber heating element 12 is heated
  • the initial pressure in the sealed cavity 110 is -0.7atm to 0atm, preferably -0.7atm, -0.5atm, -0.2atm or 0atm, where atm is 1 standard atmospheric pressure unit.
  • the sealed cavity 110 is a closed cavity
  • the container 11 expands due to heat, which causes the gas in the sealed cavity 110 to expand due to heat, resulting in an increase in internal pressure, thereby causing the sealed environment in the sealed cavity 110 to be destroyed by the expansion of the gas and fail, which is manifested as cracks or explosions in the container 11; on this basis, the pressure change of the air in the sealed cavity 110 as the temperature rises is calculated;
  • the gas in the sealed cavity 110 is at normal temperature and pressure, that is, , ( is 1 standard atmospheric pressure unit). At this time, the gas pressure in the sealed cavity 110 changes with temperature as shown in the following table: (the sealed cavity in the table refers to the sealed cavity 110)
  • the gas in the sealed cavity 110 is at room temperature, and the gas in the sealed cavity 110 can be set to a negative pressure environment, that is, , (atm is 1 standard atmospheric pressure unit).
  • a negative pressure environment that is, , (atm is 1 standard atmospheric pressure unit).
  • the gas temperature in the sealed cavity 110 can reach 600°C. At this time, the gas in the sealed cavity 110 expands due to the increased temperature, which can easily cause the sealing failure of the container 11, and then cause the gas in the sealed cavity 110 to exchange with the gas outside the sealed cavity 110, thereby destroying the negative pressure environment of the sealed cavity 110, causing the carbon fiber heating element 12 to oxidize and reduce its reliability performance; when the carbon fiber heating element 12 is working, the gas temperature in the sealed cavity 110 is in the range of 200-400°C for a long time.
  • the initial pressure in the sealed cavity 110 is preferably set to -0.5atm. At this time, even if the heating component 1 works for a long time, the gas pressure in the sealed cavity 110 can basically reach a balance with the external atmospheric pressure, making the sealing effect more reliable.
  • the container 11 includes an outer tube 111 and a heat conductor, the heat conductor is at least partially arranged in the outer tube 111, the sealed cavity 110 is formed between the outer tube 111 and the heat conductor, and the carbon fiber heating element 12 is arranged between the inner wall of the outer tube 111 and the outer wall of the heat conductor.
  • the carbon fiber heating element 12 is disposed on the outer wall of the heat conductor.
  • the heat conductor is a heat pipe 112 of a cylindrical structure
  • the heat pipe 112 is arranged in the outer pipe 111
  • the sealed cavity 110 is formed between the outer pipe 111 and the heat pipe 112
  • a heating channel 1120 is arranged in the heat pipe 112
  • both ends of the heat pipe 112 are provided with openings (not numbered in the figure) communicating with the heating channel 1120.
  • the heating channel 1120 is used for inserting the atomizable material to heat the atomizable material.
  • the carbon fiber heating element 12 includes carbon fiber filaments (not numbered in the figure), and the carbon fiber filaments are wound around the outer wall of the heat conducting pipe 112 .
  • the heat-not-burn smoking device in this embodiment is a circumferentially heated heat-not-burn smoking device.
  • the atomizable material is inserted into the heating channel 1120 of the heat-conducting tube 112
  • the inner wall of the heat-conducting tube 112 contacts the atomizable material, and the atomizable material is subjected to circumferential contact heating;
  • the infrared waves generated by the carbon fiber heating element 12 radiate to the atomizable material, and the atomizable material is subjected to circumferential radiation heating, that is, the heat-conducting tube 112 and the infrared waves heat the atomizable material at the same time, so as to greatly improve the heating efficiency.
  • the inner diameter of the outer tube 111 is larger than the outer diameter of the heat conducting tube 112 ; the outer tube 111 and/or the heat conducting tube 112 are round tubes or square tubes, which can be freely selected according to actual needs.
  • the container 11 further includes a first seal 1111 and a second seal 1112, the first seal 1111 is fixed to the top of the outer tube 111 and the heat-conducting tube 112, the second seal 1112 is fixed to the bottom of the outer tube 111 and the heat-conducting tube 112, and the outer tube 111, the heat-conducting tube 112, the first seal 1111 and the second seal 1112 are together enclosed to form a sealed cavity 110.
  • the first seal 1111 and the second seal 1112 are both plate-like structures, and the first seal 1111 and the second seal 1112 are connected to the outer tube 111 and the heat-conducting tube 112 by hot melting.
  • the heat pipe 112 is a transparent tube, such as a quartz tube, a high-silica glass tube or a glass tube, but not limited thereto, so that the infrared waves generated by the carbon fiber heating element 12 can better pass through the heat pipe 112 and radiate to the atomizable material.
  • the outer tube 111 is also a transparent tube, such as a quartz tube, a high silica glass tube or a glass tube, but not limited thereto.
  • a reflective layer (not shown) for reflecting infrared waves is provided on the outer wall and/or the inner wall of the outer tube 111, thereby improving the heating efficiency of the atomizable material; the reflective layer is, for example, a silver layer, an aluminum layer or a mixture coating.
  • the heat-not-burn smoking device also includes a shell 2, the heating component 1 is arranged in the shell 2, and a first opening 21 is provided on the shell 2 at a position corresponding to the heating channel 1120.
  • the first opening 21 is connected to the heating channel 1120, and the first opening 21 is used for inserting the atomizable material.
  • the housing 2 is a metal shell or a plastic shell.
  • the first opening 21 is arranged at the top of the shell 2, and the bottom of the shell 2 is provided with a first air inlet hole 22.
  • the first air inlet hole 22 is arranged corresponding to the heating channel 1120.
  • the first air inlet hole 22 is connected to the heating channel 1120, and the external air can enter the heating channel 1120 through the first air inlet hole 22.
  • a limiting plate 15 is further provided at the bottom opening of the heat conducting pipe 112 , and a second air inlet hole 151 is provided on the limiting plate 15 .
  • the limiting plate 15 is used to limit the position where the atomizable material extends into the heat conducting pipe 112 .
  • the heat-not-burn smoking device further includes a first heat-insulating pad 61 and a second heat-insulating pad 62, which are arranged in the housing 2, the first heat-insulating pad 61 is located at the top of the housing 2, the second heat-insulating pad 62 is located at the bottom of the housing 2, the first seal 1111 is in contact with the first heat-insulating pad 61, and the second seal 1112 is in contact with the second heat-insulating pad 62.
  • the first heat-insulating pad 61 and/or the second heat-insulating pad 62 are rubber pads for heat insulation.
  • the heat-not-burn smoking device further includes a power supply assembly 7 , which is installed in the housing 2 , and the carbon fiber heating element 12 is electrically connected to the power supply assembly 7 via a conductive pin (not shown).
  • the tube wall of the outer tube 111 is provided with a through hole (not shown in the figure), and the conductive pin extends out of the outer tube 111 from the through hole.
  • the heating component 1 also includes a sealing body (not shown in the figure) for sealing the through hole, and the sealing body is filled in the through hole.
  • the sealing body is, for example, a quartz material, a high silica glass material or a glass material, but is not limited thereto.
  • the power supply assembly 7 includes a battery 71 and a circuit board 72.
  • the circuit board 72 separates the battery from the outer tube 111.
  • One side of the circuit board 72 is electrically connected to the battery 71, and the other side of the circuit board 72 is electrically connected to the conductive pin.
  • the heating component 1 further includes a first electrode 16 and a second electrode 17, both of which are annular structures.
  • the first electrode 16 is sleeved on the top of the carbon fiber heating element 12 and contacts the top of the carbon fiber heating element 12, and the second electrode 17 is sleeved on the bottom of the carbon fiber heating element 12 and contacts the bottom of the carbon fiber heating element 12.
  • the power supply component 7 is electrically connected to the first electrode 16 and the second electrode 17 through conductive pins.
  • the first electrode 16 and the second electrode 17 are both annular structures formed by metal wires wrapped around the carbon fiber heating element 12; of course, in other embodiments, the first electrode 16 and the second electrode 17 can also be conductive sleeves and other structures.
  • the material of the first electrode 16 and the second electrode 17 is, for example, nickel, silver, gold, platinum, palladium, copper or alloys of the above materials, but is not limited thereto.
  • the heating component 1 provided in the embodiment of the present application adopts a carbon fiber heating element 12 as a heating component.
  • Carbon fiber is a black body material with an electrothermal conversion efficiency of up to 98%, and it heats up quickly. Moreover, carbon fiber will not corrode the current when it is heated. At the same time, carbon fiber can emit infrared waves when it is heated, and has the function of radiation heating. Therefore, the carbon fiber heating element 12 can not only heat the atomizable material by heat conduction, but also can perform radiation heating on the atomizable material, and has the advantages of high heating efficiency and good heating uniformity.
  • the sealed cavity 110 is a vacuum cavity or has a protective gas to protect the carbon fiber heating element 12, which can effectively prevent the carbon fiber heating element 12 from oxidation and extend the service life of the carbon fiber heating element 12.
  • FIG. 2 is a schematic cross-sectional structure diagram of the heat-not-burn smoking device of the second embodiment of the present application.
  • the heat-not-burn smoking device of this embodiment has substantially the same structure as the heat-not-burn smoking device of the first embodiment, except that the heat-not-burn smoking device further includes an insulation tube 63 and insulation cotton 64.
  • the heat insulation tube 63 is installed in the housing 2, the outer tube 111 and the heat conducting tube 112 are both arranged in the heat insulation tube 63, and the heat insulation cotton 64 is arranged between the inner wall of the heat insulation tube 63 and the outer wall of the outer tube 111.
  • the heat insulation cotton 64, the first heat insulation pad 61 and the second heat insulation pad 62 can both isolate heat and buffer external stress, and can effectively protect the outer tube 111, the heat conducting tube 112, the first seal 1111 and the second seal 1112 and other components.
  • the heat insulating wool 64 is at least one of aerogel, glass wool, silicone aluminum wool, and rock wool, but is not limited thereto.
  • the heat insulation tube 63 is, for example, a stainless steel tube; the inner diameter of the heat insulation tube 63 is greater than the outer diameter of the outer tube 111 .
  • Fig. 3 is a schematic cross-sectional view of the heat-not-burn smoking device of the third embodiment of the present application
  • Fig. 4 is a schematic view of the structure of the carbon fiber heating element in Fig. 3.
  • the heat-not-burn smoking device of this embodiment has substantially the same structure as the heat-not-burn smoking device of the first embodiment, and the main difference lies in the different structure of the carbon fiber heating element 12.
  • the carbon fiber heating element 12 is a mesh structure, and the carbon fiber heating element 12 is disposed on the outer wall of the heat conducting pipe 112 .
  • the carbon fiber heating element 12 has a first electrode connection area 12A, a heating area 12B, and a second electrode connection area 12C connected in sequence along a first direction Y.
  • the carbon fiber heating element 12 includes carbon fiber filaments 121, elastic filaments 122, first conductive filaments 123, and second conductive filaments 124. There are multiple carbon fiber filaments 121 and they extend along the first direction Y and are arranged in the first electrode connection area 12A, the heating area 12B, and the second electrode connection area 12C.
  • the multiple carbon fiber filaments 121 are arranged at intervals along the second direction, and the second direction is perpendicular to the first direction Y; the elastic filaments 122 are arranged in the heating area 12B, the first conductive filaments 123 are arranged in the first electrode connection area 12A, and the second conductive filaments 124 are arranged in the second electrode connection area 12C.
  • the elastic filaments 122, the first conductive filaments 123, and the second conductive filaments 124 are all interwoven and connected with the carbon fiber filaments 121.
  • each elastic thread 122 there are multiple elastic threads 122 extending along the second direction X, and the multiple elastic threads 122 are arranged at intervals along the first direction Y in the heating area 12B, and each elastic thread 122 and each carbon fiber thread 121 are interwoven up and down to form a first mesh structure;
  • first conductive threads 123 There are a plurality of first conductive threads 123 extending along the second direction X.
  • the plurality of first conductive threads 123 are spaced apart in the first electrode connection region 12A along the first direction Y.
  • the first conductive threads 123 and the carbon fiber threads 121 are interwoven vertically to form a second mesh structure.
  • the multiple second conductive threads 124 are extending along the second direction X.
  • the multiple second conductive threads 124 are spaced apart along the first direction Y in the second electrode connection region 12C.
  • the second conductive threads 124 and the carbon fiber threads 121 are interwoven vertically to form a third mesh structure.
  • the first mesh structure mainly plays a role of heating
  • the second mesh structure is mainly used to connect to one of the positive and negative electrodes of the power component 7
  • the third mesh structure is mainly used to connect to the other of the positive and negative electrodes of the power component 7.
  • the power component 7 can be connected to the first conductive wire 123 in the second mesh structure and the second conductive wire 124 in the third mesh structure by welding through wires (not shown), so as to achieve electrical connection.
  • the upper and lower interweaving specifically means that an elastic wire 122 contacts two surfaces located in relative positions at two adjacent carbon fiber wires 121.
  • the elastic wire 122 contacts one of the two adjacent carbon fiber wires 121 on the side away from the outer wall of the heat pipe 112
  • the elastic wire 122 contacts the other of the two adjacent carbon fiber wires 121 on the side close to the outer wall of the heat pipe 112 (that is, the two sides of the elastic wire 122 contact the carbon fiber wire 121 and the heat pipe 112 at the same time).
  • the elastic wire 122 forms a staggered contact with the opposite sides of the carbon fiber wire 121 during the interweaving process, which can be better woven into one. It can be understood that each elastic wire 122, the first conductive wire 123 and the second conductive wire 124 can be woven with the carbon fiber wire 121 by winding each carbon fiber wire 121 one circle or more in sequence.
  • the carbon fiber filaments 121 are electrically connected with the first conductive filaments 123 and the second conductive filaments 124 by interweaving them up and down.
  • the carbon fiber heating element 12 is welded with the conductive wires, it is sufficient to weld the conductive wires with the first conductive wires 123 and the second conductive wires 124, thereby avoiding the problem that the carbon fiber filaments 121 themselves are difficult to weld.
  • the carbon fiber heating element 12 provided in the present embodiment uses the carbon fiber filaments 121 as the main body for heat generation and radiation, and achieves electrical connection with the first conductive wires 123 and the second conductive wires 124 by interweaving them, thereby solving the problem that the carbon fiber filaments 121 are difficult to weld with metal wires to achieve electrical connection.
  • the carbon fiber heating element 12 is rolled into a tubular structure. Since the elastic wire 122 is added to the carbon fiber wire 121 for mixed weaving, the carbon fiber heating element 12 can be sleeved on the outside of the heat pipe 112 of various shapes, and has good conformability; when the carbon fiber heating element 12 is rolled into a tubular structure, the above-mentioned first direction Y can be the axial direction of the carbon fiber heating element 12, and the above-mentioned second direction X can be the circumferential direction of the carbon fiber heating element 12. Of course, the carbon fiber heating element 12 can also be a rectangular sheet structure, and the specific shape of the carbon fiber heating element 12 is not limited and will not be repeated here. When the carbon fiber heating element 12 is a rectangular sheet structure, one of the above-mentioned first direction Y and the second direction X is the length direction of the carbon fiber heating element 12, and the other is the width direction of the carbon fiber heating element 12.
  • the carbon fiber filament 121 may be a T300 unidirectional filament, and the diameter of the carbon fiber filament 121 may be 36 to 150 ⁇ m. It should be noted that those skilled in the art may set the diameter of the carbon fiber filament 121 to 36 ⁇ m, 40 ⁇ m, 42 ⁇ m, 46 ⁇ m, 50 ⁇ m, 54 ⁇ m, 58 ⁇ m, 66 ⁇ m, 70 ⁇ m, 74 ⁇ m, 80 ⁇ m, 90 ⁇ m, 100 ⁇ m, 110 ⁇ m, 120 ⁇ m, 130 ⁇ m, 140 ⁇ m, 150 ⁇ m, etc. according to actual needs, and no sole limitation is made here.
  • the distance between two adjacent elastic threads 122 is 3-20 mm. It should be noted that those skilled in the art can set the distance between two adjacent elastic threads 122 to 3 mm, 5 mm, 7 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, etc. according to actual needs, and this is not a sole limitation.
  • the material of the elastic thread 122 can be organic cotton, aramid, nylon, polypropylene, polybutylene terephthalate or polyphenylene sulfate.
  • the width of the first electrode connection area 12A and the second electrode connection area 12C along the first direction Y can be 3-8 mm. It should be noted that those skilled in the art can set the width of the first electrode connection area 12A along the first direction Y to 4 mm, 5 mm, 6 mm, 7 mm, etc., and the width of the second electrode connection area 12C along the first direction Y to 4 mm, 5 mm, 6 mm, 7 mm, etc. according to actual conditions, and no sole limitation is made here.
  • the resistance value of the carbon fiber heating element 12 can be 0.3 ⁇ 2 ⁇ .
  • the first conductive wire 123 can be a gold wire, a silver wire, a copper wire, an aluminum wire or a platinum wire. It is understood that the second conductive wire 124 can also be a gold wire, a silver wire, a copper wire, an aluminum wire or a platinum wire.
  • the first conductive wire 123 and the second conductive wire 124 can be made of the same or different materials.
  • the difference between this embodiment and the first embodiment also includes: the cavity formed between the outer tube 111 and the heat conducting tube 112 in this embodiment is not a sealed cavity, but an open cavity connected to the external environment (of course, the cavity formed between the outer tube 111 and the heat conducting tube 112 can also be set as a sealed cavity); at the same time, the power supply component 7 in this embodiment is fixedly arranged on the outer wall of the outer tube 111.
  • the shell of the heat-not-burn smoking device in this embodiment is not shown.
  • Fig. 5 is a schematic cross-sectional view of the heat generating assembly of the fourth embodiment of the present application
  • Fig. 6 is a schematic view of the structure of the heat conducting pipe in Fig. 5.
  • the structure of the heat generating assembly 1 of the present embodiment is substantially the same as that of the heat generating assembly 1 of the first embodiment, and the main difference lies in the different structures of the heat conducting pipe 112 and the outer pipe 111.
  • the heat pipe 112 includes a heat pipe wall 1121 and at least one radiation-transmitting pipe wall 1122 that are connected to each other, and the transmittance of the radiation-transmitting pipe wall 1122 to infrared waves is greater than the transmittance of the heat pipe wall 1121 to infrared waves.
  • the transmittance of the radiation-transmitting pipe wall 1122 to infrared waves is much greater than the transmittance of the heat pipe wall 1121 to infrared waves, so as to reduce radiation loss and improve heating efficiency; the infrared waves generated by the carbon fiber heating element 12 can pass through the radiation-transmitting pipe wall 1122, or the infrared waves generated by the carbon fiber heating element 12 can pass through the heat pipe wall 1121 and the radiation-transmitting pipe wall 1122.
  • the infrared waves generated by the carbon fiber heating element 12 pass through the radiation-transmitting pipe wall 1122, or pass through the heat pipe wall 1121 and the radiation-transmitting pipe wall 1122 to radiate to the atomizable material, and at the same time, the heated heat pipe wall 1121 conducts heat to the atomizable material.
  • the heating component 1 of the present application can conduct heat to the atomizable material through the heat-conducting tube wall 1121, and can also radiate infrared waves directly to the atomizable material through the radiation-transmitting tube wall 1122, thereby achieving dual heating with high heating efficiency.
  • the heat conducting pipe wall 1121 and the radiation transmitting pipe wall 1122 of the heat conducting pipe 112 are integrally formed.
  • the heat pipe 112 includes a plurality of radiation-transmitting pipe walls 1122 , which are spaced apart from each other around the axis of the heat pipe 112 , and a heat pipe wall 1121 is located between two adjacent radiation-transmitting pipe walls 1122 .
  • the heat pipe 112 includes at least two segments 112A, and the at least two segments 112A are arranged in sequence along the length direction of the heat pipe 112, and each segment 112A is provided with a plurality of radiation-transmitting tube walls 1122.
  • FIG6 only illustrates two segments 112A, but the present invention is not limited thereto.
  • the outer tube 111 includes a circular tube segment 111A, a first conical segment 111B, and a second conical segment 111C.
  • One end of the circular tube segment 111A is connected to the first conical segment 111B, and the other end of the circular tube segment 111A is connected to the second conical segment 111C.
  • the first conical segment 111B and the second conical segment 111C are respectively connected to opposite ends of the heat conducting tube 112.
  • the ratio of the area of the radiation-transmitting tube wall 1122 to the area of the heat-conducting tube wall 1121 is 1/3 to 2/3.
  • the material of the heat-conducting tube wall 1121 is aluminum nitride; the material of the radiation-transmitting tube wall 1122 is one of silicon nitride, microcrystalline glass, and quartz tube.
  • FIG 7 is a schematic cross-sectional structure diagram of the heat-not-burn smoking device of the fifth embodiment of the present application. As shown in Figure 7, the structure of the heat-not-burn smoking device of this embodiment is roughly the same as that of the heat-not-burn smoking device in the first embodiment. The main differences are that the setting position of the heating component 1 is different, the internal structure of the shell 2 is different, and the heating method of the heat-not-burn smoking device is different.
  • the housing 11 includes an outer tube 111 and a heat conductor
  • the heat conductor is a heat pipe 112 of a cylindrical structure
  • the heat pipe 112 is arranged in the outer tube 111
  • the sealed cavity 110 is formed between the outer tube 111 and the heat pipe 112
  • the heat pipe 112 is provided with a heating channel 1120 for heating the air.
  • the housing 2 is provided with a housing 3, the housing 3 is a cylindrical structure, and the housing 3 is correspondingly arranged above the heating component 1; the housing 3 has a housing cavity 31 for accommodating atomizable materials, and the top of the housing 3 is provided with a second opening 32 for inserting atomizable materials, the second opening 32 is communicated with the housing cavity 31, and the housing cavity 31 is communicated with the heating channel 1120; the air heated by the heating component 1 can enter the housing cavity 31, thereby heating the atomizable materials in the housing cavity 31.
  • a support tube 4 is further provided in the shell 2.
  • the support tube 4 is correspondingly located below the accommodating tube 3.
  • the upper and lower ends of the support tube 4 are provided with openings.
  • the top of the support tube 4 is connected to the bottom of the accommodating tube 3.
  • the heating component 1 is located in the support tube 4 and is fixed in the support tube 4.
  • a partition 5 is provided between the support tube 4 and the accommodating tube 3.
  • the partition 5 separates the inner cavity of the support tube 4 from the inner cavity of the accommodating tube 3.
  • the partition 5 is fixedly connected to the bottom end of the accommodating tube 3 and/or the top end of the support tube 4.
  • At least one air vent 51 is provided on the partition 5 (in this embodiment, a plurality of air vents 51 are provided on the partition 5).
  • the air vent 51 is respectively connected to the accommodating chamber 31 and the heating channel 1120. The air heated by the heating component 1 can enter the accommodating chamber 31 through the air vent 51.
  • the support tube 4 and the accommodating tube 3 can be integrally formed by casting, or welded to each other.
  • an air gap 41 for air flow is formed between the inner wall of the support tube 4 and the outer wall of the outer tube 111, and the air gap 41 is connected to the air vent 51; a first air inlet 22 is provided at the bottom of the shell 2, and the first air inlet 22 is connected to the heating channel 1120 and the air gap 41 at the same time, and the air in the environment can enter the heating channel 1120 and the air gap 41 through the first air inlet 22.
  • one end of the support tube 4 is connected to the accommodating tube 3, and the other end of the support tube 4 is against the inner wall of the shell 2.
  • a spiral heat conductive sheet 42 is further provided in the housing 2, and the spiral heat conductive sheet 42 is arranged in the air gap 41, and the spiral heat conductive sheet 42 is spirally wound on the outer wall of the outer tube 111.
  • the inner edge of the spiral heat conductive sheet 42 contacts the outer wall of the outer tube 111, and the outer edge of the spiral heat conductive sheet 42 contacts the inner wall of the support tube 4; the spiral heat conductive sheet 42 is used to guide the heated air in the support tube 4, thereby generating a spiral rising hot air flow into the containing tube 3, and heating the atomizable material as a whole.
  • the spiral heat conductive sheet 42 is a thin high thermal conductivity sheet, which can be aluminum nitride, a mixture of ceramics and metals, semiconductor thermal conductive materials, metal materials coated with an insulating layer, glass or quartz materials coated with a thermal conductive layer, aluminum alloy, 6061 aluminum, 6063 aluminum, 7005 aluminum, 7075 aluminum, copper alloy, aluminum, copper and other thin sheets.
  • the outer tube 111 and the heat conducting tube 112 are transparent tubes, and the transparent outer tube 111 and the heat conducting tube 112 are convenient for radiation transmission, which is conducive to improving the heat radiation effect.
  • the material of the outer tube 111 and the heat conducting tube 112 is, for example, one of aluminum nitride, a mixture of ceramics and metals, a semiconductor thermal conductive material, a metal material coated with an insulating layer, glass coated with a thermal conductive layer, a quartz tube, a high silica glass tube, and a glass tube, but is not limited thereto.
  • the accommodating tube 3 is a transparent tube, such as a quartz tube, a high silica glass tube or a glass tube, but not limited thereto; the outer wall or the inner wall of the accommodating tube 3 is provided with a reflective layer (not shown), and the reflective layer is used to reflect infrared waves to the atomizable material.
  • the reflective layer is, for example, a silver layer, an aluminum layer or a mixture coating.
  • the heat-not-burn smoking device further includes heat-insulating cotton (not shown), which is arranged between the inner wall of the shell 2 and the outer wall of the support tube 4; the heat-insulating cotton can both isolate heat and buffer external stress, and can effectively protect the support tube 4 and the heating component 1.
  • the heat-not-burn smoking device in this embodiment is mainly an air-heating heat-not-burn smoking device.
  • the heat and infrared waves emitted by the carbon fiber heating element 12 can heat the air in the heating channel 1120 and the air gap 41, and the heated air enters the accommodating tube 3 through the air holes 51 on the partition 5, thereby heating the atomizable material; at the same time, the infrared waves emitted by the carbon fiber heating element 12 can also radiate and heat the atomizable material.
  • FIG 8 is a schematic diagram of the cross-sectional structure of the heat-not-burn smoking device of the sixth embodiment of the present application. As shown in Figure 8, the structure of the heat-not-burn smoking device of this embodiment is roughly the same as that of the heat-not-burn smoking device in the fifth embodiment. The main differences are that the structure of the heating component 1 is different and the heating method of the heat-not-burn smoking device is different.
  • the housing 11 in the heating component 1 includes an outer tube 111 and a heat conductor
  • the heat conductor includes an insertion portion 113 and a support portion 114 that are connected to each other
  • the support portion 114 is arranged in the outer tube 111
  • the sealed cavity 110 is formed between the outer tube 111 and the support portion 114
  • the insertion portion 113 is arranged outside the outer tube 111
  • the carbon fiber heating element 12 is arranged on the outer wall of the support portion 114.
  • a accommodating tube 3 is provided in the shell body 2, and the accommodating tube 3 is a cylindrical structure.
  • the accommodating tube 3 has a accommodating cavity 31 for accommodating an atomizable material, and a second opening 32 for inserting the atomizable material is provided at the top of the accommodating tube 3, and the second opening 32 is communicated with the accommodating cavity 31;
  • the accommodating tube 3 is correspondingly arranged above the heating component 1, and the insertion portion 113 is at least partially located in the accommodating tube 3, and the insertion portion 113 is used to be inserted into the atomizable material to perform insertion-type central heating on the atomizable material.
  • a support tube 4 is further provided in the shell 2.
  • the support tube 4 is correspondingly located below the accommodating tube 3.
  • the upper and lower ends of the support tube 4 are provided with openings.
  • the top of the support tube 4 is connected to the bottom of the accommodating tube 3.
  • the heating component 1 is located in the support tube 4 and fixed in the support tube 4.
  • a partition 5 is provided between the support tube 4 and the accommodating tube 3.
  • the partition 5 separates the inner cavity of the support tube 4 from the inner cavity of the accommodating tube 3.
  • the partition 5 is fixedly connected to the bottom end of the accommodating tube 3 and/or the top end of the support tube 4.
  • a through hole 52 is provided on the partition 5 at a position corresponding to the insertion portion 113.
  • the through hole 52 is arranged in the middle position of the partition 5.
  • the insertion portion 113 extends into the accommodating tube 3 after passing through the through hole 52 on the partition 5.
  • an air gap 41 for air to pass through is formed between the inner wall of the support tube 4 and the outer wall of the outer tube 111, and at least one air hole 51 is provided on the partition 5, the air hole 51 is connected to the accommodating cavity 31, and the air gap 41 is connected to the air hole 51; a first air inlet hole 22 is provided at the bottom of the shell 2, and the first air inlet hole 22 is connected to the air gap 41, and the air in the environment can enter the air gap 41 through the first air inlet hole 22.
  • a spiral heat conductive sheet 42 is further provided in the housing 2, and the spiral heat conductive sheet 42 is provided in the air gap 41, and the spiral heat conductive sheet 42 is spirally wound on the outer wall of the outer tube 111.
  • the structure and material of the spiral heat conductive sheet 42 are the same or similar to those of the fifth embodiment, and are not described in detail here.
  • the heat conductor is a solid rod-shaped structure as a whole, and the heat conductor is made of aluminum nitride material.
  • the heat conductor made of aluminum nitride material has the advantages of ultra-high thermal conductivity, heat resistance, corrosion resistance, and good rigidity.
  • aluminum nitride itself is insulated, and the heat conductor is combined with the carbon fiber heating element 12 without applying additional insulation measures.
  • the length of the support portion 114 is equal to or slightly less than the length of the outer tube 111.
  • the heat conductor is made of at least one of a mixture of ceramic and metal, a semiconductor heat conducting material, a metal material coated with an insulating layer, glass coated with a heat conducting layer, a quartz tube, a high silica glass tube or a glass tube, but is not limited thereto.
  • the insertion portion 113 is at least partially conical in structure, the bottom of the insertion portion 113 is fixedly connected to the support portion 114, and the outer diameter of the top of the insertion portion 113 gradually decreases in a direction away from the support portion 114, thereby facilitating the insertion of the insertion portion 113 into the atomizable material.
  • the heat-not-burn smoking device in this embodiment is mainly a heat-not-burn smoking device that is a hybrid of center heating and air heating.
  • the heat and infrared waves emitted by the carbon fiber heating element 12 can heat the heat conductor on the one hand, and the insertion portion 113 of the heat conductor is inserted into the atomizable material to perform insertion-type center heating on the atomizable material.
  • the heat and infrared waves emitted by the carbon fiber heating element 12 can heat the air in the air gap 41, and the heated air enters the accommodating tube 3 through the air holes 51 on the partition 5, thereby performing air heating on the atomizable material; at the same time, the infrared waves emitted by the carbon fiber heating element 12 can also perform radiation heating on the atomizable material, thereby greatly improving the heating efficiency.
  • FIG 9 is a schematic cross-sectional structural diagram of the heat-not-burn smoking device of the seventh embodiment of the present application. As shown in Figure 9, the structure of the heat-not-burn smoking device of this embodiment is roughly the same as that of the heat-not-burn smoking device in the sixth embodiment, and the main difference lies in the length of the heat conductor.
  • the length of the support portion 114 is less than the length of the outer tube 111, and the end of the support portion 114 away from the insertion portion 113 is suspended in the sealed cavity 110. Since the heat conductor made of aluminum nitride absorbs heat, shortening the length of the support portion 114 can quickly produce the first puff of smoke (i.e., reducing the heat required to heat the heat conductor, thereby increasing its heating rate), and the heating efficiency is higher. In this embodiment, the length of the support portion 114 is 1/4 to 1/2 of the total length of the outer tube 111.
  • FIG 10 is a schematic cross-sectional structural diagram of the heat-not-burn smoking device of the eighth embodiment of the present application. As shown in Figure 10, the structure of the heat-not-burn smoking device of this embodiment is roughly the same as that of the heat-not-burn smoking device of the seventh embodiment, and the main difference lies in the structure of the heat conductor.
  • the length of the support portion 114 is less than the length of the outer tube 111
  • the heat conductor further includes a non-heat-conducting bearing portion 1141, one end of the bearing portion 1141 is disposed at the bottom of the outer tube 111, and the other end of the bearing portion 1141 is connected to the support portion 114.
  • the bearing portion 1141 is used to fix the support portion 114 and the insertion portion 113, and can assist in the molding of the support portion 114 and the insertion portion 113 when they are manufactured.
  • the bearing portion 1141 is made of a material with a smaller specific heat capacity.
  • the specific heat capacity of the bearing portion 1141 is smaller than the specific heat capacity of the support portion 114 and the insertion portion 113.
  • the carbon fiber heating element 12 is only arranged on the outer wall of the support portion 114, but not on the outer wall of the bearing portion 1141.
  • FIG 11 is a schematic cross-sectional structural diagram of the heat-not-burn smoking device of the ninth embodiment of the present application. As shown in Figure 11, the structure of the heat-not-burn smoking device of this embodiment is roughly the same as that of the heat-not-burn smoking device of the sixth embodiment, and the main difference lies in the structure of the heat conductor.
  • the inside of the inserting portion 113 and the supporting portion 114 are both hollow, and the inserting portion 113 and the supporting portion 114 are integrally formed by hot melting.
  • the length of the supporting portion 114 is equal to or slightly less than the length of the outer tube 111 .
  • FIG12 is a schematic cross-sectional view of the heat-not-burn smoking device of the tenth embodiment of the present application.
  • the heat-not-burn smoking device of the present embodiment has substantially the same structure as the heat-not-burn smoking device of the ninth embodiment, and the main difference lies in the shape of the insertion portion 113.
  • the insertion portion 113 is in a pointed cone shape as a whole, such as a cone shape.
  • Figure 13 is a schematic cross-sectional structure diagram of the heat-not-burn smoking device of the eleventh embodiment of the present application. As shown in Figure 13, the structure of the heat-not-burn smoking device of this embodiment is substantially the same as that of the heat-not-burn smoking device of the tenth embodiment, except that the connection method between the insertion portion 113 and the support portion 114 is different.
  • the insertion portion 113 is in the shape of a solid rod, and the interior of the support portion 114 is hollow.
  • the insertion portion 113 includes an insertion section 1131 and a connection section 1132, one end of the connection section 1132 is connected to the support portion 114, and the other end of the connection section 1132 is connected to the insertion section 1131, the insertion section 1131 is located in the accommodating cylinder 3, and the connection section 1132 is located in the outer tube 111, the outer diameter of the connection section 1132 is less than or equal to the outer diameter of the support portion 114, and the outer diameter of the insertion section 1131 gradually decreases in the direction away from the connection section 1132.
  • the insertion portion 113 is made of aluminum nitride material.
  • the outer diameter of each portion of the connecting section 1132 is equal, or the outer diameter of the connecting section 1132 gradually decreases in a direction away from the supporting portion 114 .
  • the inserting portion 113 is entirely made of graphene material.
  • Figure 14 is a schematic cross-sectional structure diagram of the heat-not-burn smoking device of the twelfth embodiment of the present application. As shown in Figure 14, the structure of the heat-not-burn smoking device of this embodiment is substantially the same as that of the heat-not-burn smoking device of the fifth embodiment, except that the structure of the heating component 1 is different.
  • the housing 11 of the heating component 1 is a heating tube 115 with a spiral structure
  • the sealed cavity 110 is formed in the heating tube 115
  • the carbon fiber heating element 12 is disposed in the heating tube 115 .
  • a accommodating tube 3 is provided in the shell 2, and the accommodating tube 3 is a cylindrical structure.
  • the accommodating tube 3 has a accommodating cavity 31 for accommodating an atomizable material, and a second opening 32 for inserting the atomizable material is provided on the top of the accommodating tube 3, and the second opening 32 is communicated with the accommodating cavity 31;
  • the accommodating tube 3 is correspondingly arranged above the heating component 1, and the heating component 1 is used to heat the air around the heating tube 115, and the air heated by the heating component 1 can enter the accommodating cavity 31 to heat the atomizable material by the heated air.
  • a support tube 4 is further provided in the shell 2.
  • the support tube 4 is correspondingly located below the accommodating tube 3.
  • the upper and lower ends of the support tube 4 are provided with openings.
  • the top of the support tube 4 is connected to the bottom of the accommodating tube 3.
  • the heating component 1 is located in the support tube 4 and fixed in the support tube 4.
  • a partition 5 is provided between the support tube 4 and the accommodating tube 3.
  • the partition 5 separates the inner cavity of the support tube 4 from the inner cavity of the accommodating tube 3.
  • the partition 5 is fixedly connected to the bottom end of the accommodating tube 3 and/or the top end of the support tube 4.
  • At least one air vent 51 is provided on the partition 5.
  • the air vent 51 is connected to the accommodating cavity 31 and the inner cavity of the support tube 4.
  • the bottom of the shell 2 is provided with a first air inlet 22.
  • the first air inlet 22 is connected to the inner cavity of the support tube 4. The air in the environment can enter the inner cavity of the support tube 4 through the first air inlet 22.
  • the heating tube 115 is disposed close to the inner wall of the support tube 4 , and the heating tube 115 is spirally disposed around the axis of the support tube 4 .
  • the heating component 1 also includes a support body 13, which is arranged in the sealed cavity 110.
  • the support body 13 has a spiral structure.
  • the shape of the support body 13 is the same as or similar to the shape of the heating tube 115.
  • the carbon fiber heating element 12 is wound on the support body 13, so the carbon fiber heating element 12 also has a spiral structure as a whole.
  • the material of the heating tube 115 is one of aluminum nitride, a mixture of ceramic and metal, a semiconductor thermal conductive material, a metal material coated with an insulating layer, glass coated with a thermal conductive layer, and a quartz material.
  • the heat-not-burn smoking device in this embodiment is mainly an air-heating heat-not-burn smoking device.
  • the heat and infrared waves emitted by the carbon fiber heating element 12 can heat the air around the heating tube 115, and the heated air enters the accommodating tube 3 through the air holes 51 on the partition 5, thereby heating the atomizable material; at the same time, the infrared waves emitted by the carbon fiber heating element 12 can also radiate and heat the atomizable material.
  • the difference between this embodiment and the fifth embodiment also includes: no spiral heat conducting sheet is provided in this embodiment.
  • Figure 15 is a schematic diagram of the cross-sectional structure of the heat-not-burn smoking device of the thirteenth embodiment of the present application. As shown in Figure 15, the structure of the heat-not-burn smoking device of this embodiment is roughly the same as that of the heat-not-burn smoking device in the fifth embodiment. The differences are that the structure of the heating component 1 is different, the internal structure of the shell 2 is different, and the heating method of the heat-not-burn smoking device is different.
  • the housing body 11 in the heating component 1 is a needle-type tube body 116, and the needle-type tube body 116 has a conical structure as a whole.
  • the sealed cavity 110 is formed in the needle-type tube body 116, and the sealed cavity 110 extends from the bottom of the needle-type tube body 116 to the top thereof, and the carbon fiber heating element 12 is arranged in the needle-type tube body 116.
  • a accommodating tube 3 is provided in the shell 2, and the accommodating tube 3 is a cylindrical structure.
  • the accommodating tube 3 has a accommodating cavity 31 for accommodating an atomizable material, and a second opening 32 for inserting the atomizable material is provided at the top of the accommodating tube 3, and the second opening 32 is communicated with the accommodating cavity 31;
  • the heating component 1 is arranged in the accommodating tube 3, and the needle-type tube body 116 is located at the center position in the accommodating tube 3, and the needle-type tube body 116 is used to be inserted into the atomizable material to perform insertion-type central heating on the atomizable material.
  • a bottom plate 33 for supporting the heating component 1 is provided at the bottom of the accommodating tube 3, and the heating component 1 is arranged on the bottom plate 33.
  • At least one third air inlet hole 331 is provided on the bottom plate 33 (in this embodiment, a plurality of third air inlet holes 331 are provided on the bottom plate 33);
  • a first air inlet hole 22 is provided at the bottom of the shell 2, and the first air inlet hole 22 is connected with the inner cavity of the accommodating tube 3 through the third air inlet hole 331, and the air in the environment can enter the inner cavity of the accommodating tube 3 through the first air inlet hole 22 and the third air inlet hole 331.
  • the needle tube body 116 includes a fixing portion 1161 and an inserting portion 1162, one end of the fixing portion 1161 is fixed to the bottom plate 33, and the other end of the fixing portion 1161 is connected to the inserting portion 1162, and the outer diameter of the inserting portion 1162 gradually decreases from the fixing portion 1161 toward the direction close to the second opening 32.
  • the sealed cavity 110 extends from the bottom of the fixing portion 1161 to the top of the inserting portion 1162.
  • a sealing plate 1163 is provided at the bottom of the pin-type tube body 116, and the sealing plate 1163 is arranged on the bottom plate 33.
  • the power supply assembly 7 is electrically connected to the carbon fiber heating element 12 through the conductive pin 73, one end of the conductive pin 73 is connected to the carbon fiber heating element 12, and the other end of the conductive pin 73 passes through the sealing plate 1163 and the bottom plate 33 and is connected to the power supply assembly 7.
  • the heating component 1 further includes a support column 14, which is disposed in the sealed cavity 110, and the carbon fiber heating element 12 is wound around the support column 14.
  • the needle tube body 116 is a transparent tube, such as a quartz tube, a high silica glass tube or a glass tube, but is not limited thereto.
  • the heat-not-burn smoking device in this embodiment is mainly a central heating heat-not-burn smoking device.
  • the needle-type tube 116 is inserted into the atomizable material, and the infrared waves generated by the carbon fiber heating element 12 are radiated onto the atomizable material.
  • the needle-type tube 116 and the infrared waves heat the atomizable material at the same time to improve the heating efficiency.
  • the difference between this embodiment and the fifth embodiment also includes: a support tube and a spiral heat conducting plate are not provided in this embodiment.
  • FIG 16 is a schematic cross-sectional structural diagram of the heat-not-burn smoking device of the fourteenth embodiment of the present application. As shown in Figure 16, the structure of the heat-not-burn smoking device of this embodiment is substantially the same as that of the heat-not-burn smoking device of the thirteenth embodiment, except that the number of support columns 14 is different.
  • the heating component 1 includes at least two support columns 14, which are arranged in the sealed cavity 110, and each support column 14 is wound with a carbon fiber heating element 12.
  • each support column 14 is wound with a carbon fiber heating element 12.
  • FIG 17 is a schematic diagram of the cross-sectional structure of the heating component of the fifteenth embodiment of the present application. As shown in Figure 17, the structure of the heating component 1 of this embodiment is roughly the same as the heating component 1 in the first embodiment, and the main difference lies in the structure of the carbon fiber heating element 12.
  • the carbon fiber heating element 12 is a tubular structure, which is specifically a carbon fiber sleeve woven from a plurality of carbon fiber filaments, and the tubular carbon fiber heating element 12 is sleeved on the outer wall of the heat conducting tube 112.
  • the resistance of the carbon fiber sleeve is 0.5 to 5 ⁇ , preferably 0.5 to 2 ⁇ .
  • the material of the first sealing member 1111 and the second sealing member 1112 is one of ceramic (alumina), composite ceramic formed by combining hollow glass microspheres and alumina, glass, quartz, PEK, LCP, silicone, and PTFE.
  • the specific heat capacity of the first sealing member 1111 and the second sealing member 1112 is smaller than the specific heat capacity of the heat pipe 112, which can improve the heat utilization rate and leave as much heat as possible for the atomizable material.
  • FIG 18 is a schematic diagram of the cross-sectional structure of the heating component of the sixteenth embodiment of the present application. As shown in Figure 18, the structure of the heating component 1 of this embodiment is roughly the same as the heating component 1 in the first embodiment, and the main difference lies in the structure of the carbon fiber heating element 12.
  • the carbon fiber heating element 12 is a mesh structure, which is specifically a mesh structure woven by multiple carbon fiber filaments, and the carbon fiber heating element 12 is arranged on the outer wall of the heat-conducting pipe 112.
  • the first electrode 16 and the second electrode 17 are both conductive sleeves, and the first electrode 16 and the second electrode 17 are respectively sleeved on the top and bottom of the carbon fiber heating element 12.

Landscapes

  • Resistance Heating (AREA)

Abstract

La présente invention concerne un ensemble de chauffage, qui est utilisé pour chauffer un matériau d'atomisation. L'ensemble de chauffage comprend un corps de réception et un corps chauffant en fibre de carbone disposé dans le corps de réception, le corps chauffant en fibre de carbone pouvant produire de la chaleur et émettre des ondes infrarouges après avoir été électrifié, de façon à chauffer le matériau d'atomisation. La présente invention utilise le corps chauffant en fibre de carbone en tant qu'élément chauffant d'un dispositif de vapotage à chauffage sans combustion, ce qui présente des avantages tels qu'une efficacité de chauffage élevée et une bonne uniformité de chauffage. La présente invention concerne en outre un dispositif de vapotage à chauffage sans combustion.
PCT/CN2023/109447 2022-12-08 2023-07-26 Ensemble de chauffage et dispositif de vapotage à chauffage sans combustion Ceased WO2024119849A1 (fr)

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
CN202223313729.3U CN219288763U (zh) 2022-12-08 2022-12-08 发热体及加热不燃烧烟具
CN202223313729.3 2022-12-08
CN202320027469.9 2023-01-05
CN202310011601.1A CN115997996A (zh) 2023-01-05 2023-01-05 发热结构和不燃烧烟具
CN202320048585.9 2023-01-05
CN202320048585.9U CN219679781U (zh) 2023-01-05 2023-01-05 不燃烧烟具
CN202320058971.6 2023-01-05
CN202320058971.6U CN219270173U (zh) 2023-01-05 2023-01-05 不燃烧烟具
CN202320048583.XU CN219679780U (zh) 2023-01-05 2023-01-05 不燃烧烟具
CN202320048583.X 2023-01-05
CN202320027469.9U CN219270172U (zh) 2023-01-05 2023-01-05 不燃烧烟具
CN202310011601.1 2023-01-05
CN202320212156.0U CN219537472U (zh) 2023-01-31 2023-01-31 发热结构及烟具
CN202320273843.3 2023-01-31
CN202320212156.0 2023-01-31
CN202320273843.3U CN219288774U (zh) 2023-01-31 2023-01-31 发热结构及加热不燃烧烟具
CN202310130575.4A CN116035282A (zh) 2023-02-01 2023-02-01 加热装置、加热装置的制作方法及加热不燃烧烟具
CN202310130575.4 2023-02-01

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WO2024119849A1 true WO2024119849A1 (fr) 2024-06-13

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105054311A (zh) * 2015-09-01 2015-11-18 云南中烟工业有限责任公司 一种非接触式加热电子烟
CN208837111U (zh) * 2018-09-11 2019-05-10 深圳市科伊斯科技有限公司 一种利用热空气烘烤烟草的加热装置及电子烟
CN110613173A (zh) * 2019-10-11 2019-12-27 云南巴菰生物科技有限公司 一种采用红外辐射加热的加热不燃烧烟草装置
KR20200067711A (ko) * 2018-12-04 2020-06-12 (주)인터플렉스 발열구조물 및 그 제조방법
CN113519907A (zh) * 2020-04-13 2021-10-22 深圳市合元科技有限公司 加热器以及包含该加热器的烟具
CN115997996A (zh) * 2023-01-05 2023-04-25 深圳市赛尔美电子科技有限公司 发热结构和不燃烧烟具
CN219270172U (zh) * 2023-01-05 2023-06-30 深圳市赛尔美电子科技有限公司 不燃烧烟具
CN219270173U (zh) * 2023-01-05 2023-06-30 深圳市赛尔美电子科技有限公司 不燃烧烟具
CN219288763U (zh) * 2022-12-08 2023-07-04 深圳市赛尔美电子科技有限公司 发热体及加热不燃烧烟具
CN219537472U (zh) * 2023-01-31 2023-08-18 深圳市赛尔美电子科技有限公司 发热结构及烟具
CN219679780U (zh) * 2023-01-05 2023-09-15 深圳市赛尔美电子科技有限公司 不燃烧烟具

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105054311A (zh) * 2015-09-01 2015-11-18 云南中烟工业有限责任公司 一种非接触式加热电子烟
CN208837111U (zh) * 2018-09-11 2019-05-10 深圳市科伊斯科技有限公司 一种利用热空气烘烤烟草的加热装置及电子烟
KR20200067711A (ko) * 2018-12-04 2020-06-12 (주)인터플렉스 발열구조물 및 그 제조방법
CN110613173A (zh) * 2019-10-11 2019-12-27 云南巴菰生物科技有限公司 一种采用红外辐射加热的加热不燃烧烟草装置
CN113519907A (zh) * 2020-04-13 2021-10-22 深圳市合元科技有限公司 加热器以及包含该加热器的烟具
CN219288763U (zh) * 2022-12-08 2023-07-04 深圳市赛尔美电子科技有限公司 发热体及加热不燃烧烟具
CN115997996A (zh) * 2023-01-05 2023-04-25 深圳市赛尔美电子科技有限公司 发热结构和不燃烧烟具
CN219270172U (zh) * 2023-01-05 2023-06-30 深圳市赛尔美电子科技有限公司 不燃烧烟具
CN219270173U (zh) * 2023-01-05 2023-06-30 深圳市赛尔美电子科技有限公司 不燃烧烟具
CN219679780U (zh) * 2023-01-05 2023-09-15 深圳市赛尔美电子科技有限公司 不燃烧烟具
CN219537472U (zh) * 2023-01-31 2023-08-18 深圳市赛尔美电子科技有限公司 发热结构及烟具

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