WO2024007941A1 - Ensemble de chauffage de flux d'air et dispositif de production d'aérosol - Google Patents

Ensemble de chauffage de flux d'air et dispositif de production d'aérosol Download PDF

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Publication number
WO2024007941A1
WO2024007941A1 PCT/CN2023/103803 CN2023103803W WO2024007941A1 WO 2024007941 A1 WO2024007941 A1 WO 2024007941A1 CN 2023103803 W CN2023103803 W CN 2023103803W WO 2024007941 A1 WO2024007941 A1 WO 2024007941A1
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WO
WIPO (PCT)
Prior art keywords
air guide
heating
airflow
heating element
installation cavity
Prior art date
Application number
PCT/CN2023/103803
Other languages
English (en)
Chinese (zh)
Inventor
吴涛
郑文
戚祖强
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
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.)
Filing date
Publication date
Application filed by 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Publication of WO2024007941A1 publication Critical patent/WO2024007941A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • Embodiments of the present application relate to the technical field of aerosol generating devices, and in particular, to an airflow heating component and an aerosol generating device.
  • aerosol generating devices are increasingly used.
  • the most important component in an aerosol-generating device is the heating device.
  • the heating device heats the aerosol-generating products so that the aerosol-generating products can generate smoke.
  • Embodiments of the present application provide an airflow heating component and an aerosol generating device, which can reduce power consumption.
  • the airflow heating assembly includes: an air guide element, and a first installation cavity is provided inside.
  • the air-guiding element is provided with a plurality of through-passing air-guiding channels, and the air-guiding channels are used for gas circulation; the heating element is arranged in the first installation cavity, and the heating element is used for electrical connection with an external power supply.
  • the gas-guiding element is heated so that the gas-guiding element heats gas flowing through the gas-guiding channel.
  • the airflow heating component includes: an air guide The component is provided with a first installation cavity inside, and the air guide component is provided with a plurality of through-passing air guide channels, and the air guide channels are used for gas circulation; the resistance heating element is arranged in the first installation cavity, The heating element is used to electrically connect with an external power source and heat the gas conducting element so that the gas conducting element heats the gas flowing through the gas conducting channel; wherein the gas conducting element is made of graphite or graphite Made of alloy.
  • an aerosol generating device for heating the aerosol generating product to generate aerosol;
  • the aerosol generating device includes: a shell with a receiving cavity inside, The receiving cavity is used to removably dispose the aerosol-generating product; and the airflow heating assembly as described above is disposed in the receiving cavity, and the airflow heating assembly is disposed on the aerosol The airflow position upstream of the product is generated so that the air passing through the airflow heating component is heated before entering the aerosol-generating product.
  • the airflow heating assembly in the embodiment of the present application includes an air guide element and a heating element.
  • the air guide element is provided with a first installation cavity inside, and the air guide element is provided with multiple through air guide channels, and the air guide channels are used for gas circulation;
  • the heating element is disposed in the first installation cavity.
  • the heating element is used to electrically connect with an external power source and heat the air guide element, so that the air guide element heats the gas flowing through the air guide channel.
  • Figure 1 is an exploded view of an airflow heating assembly according to an embodiment of the present application.
  • Figure 2 is a schematic view of the air guide element in the air flow heating assembly according to the embodiment of the present application.
  • Figure 3 is a schematic diagram of an airflow heating assembly from a perspective of another embodiment of the present application.
  • Figure 4 is a schematic diagram of an airflow heating assembly from a perspective of yet another embodiment of the present application.
  • Figure 5 is a schematic view of the heating element in the airflow heating assembly according to the embodiment of the present application.
  • Figure 6 is a cross-sectional view of the airflow heating assembly according to the embodiment of the present application.
  • FIG. 7 is a cross-sectional view of the air guide element and the puncture-type heating element in the airflow heating assembly according to the embodiment of the present application.
  • Figure 8 is a cross-sectional view of the aerosol generating device according to the embodiment of the present application.
  • Figure 9 is a cross-sectional view of an aerosol generating device according to another embodiment of the present application.
  • the airflow heating assembly 100 includes an air guide element 10 and a heating element 20.
  • the heating element 20 is connected to the air guide element 10.
  • the heating element 20 is used for electrical connection with an external power supply.
  • the heating element 20 is used for heating the air guide.
  • Component 10 The gas guide component 10 is used to allow gas to flow through it and to heat the gas flowing through it to increase the thermal energy of the gas.
  • the gas guide element 10 is made of graphite or graphite alloy.
  • the air guide element 10 made of graphite or graphite alloy has good thermal conductivity. By directly heating the air guide element 10 through the heating element 20, the air guide element 10 can be heated to a preset temperature in a short time, for example , the air guide element 10 can be heated to above 300°C within 25 seconds.
  • the air guide component 10 is provided with at least one first installation cavity 12 and a plurality of air guide channels 11.
  • the first installation cavity 12 is provided inside the air guide component 10.
  • the first installation cavity 12 is used to install the heating element 20 .
  • the air guide channel 11 penetrates the air guide element 10 along the axial direction of the air guide element 10 , and is used for gas circulation.
  • the heating element 20 is in the working state and heats the air guide element 10
  • the gas passing through the air guide channel 11 is heated by the air guide element 10 to form a hot air flow, and the hot air flow flows to the inside of the aerosol-generating product for heating, wherein the hot air flow
  • the temperature is between 200°C and 400°C.
  • the shape of the plurality of air guide channels 11 is cylindrical; specifically, the diameter D1 of the air guide channels 11 satisfies: 0 ⁇ D1 ⁇ 0.5mm.
  • the number of air guide channels 11 can be increased within the limited space of the air guide element 10.
  • the heating efficiency of the gas flowing through the air guide channel 11 can be improved, preventing the air guide channel 11 from being too large and causing a large gas flow rate. The gas is heated poorly.
  • the ratio of the sum of the cross-sectional areas of the multiple air guide channels 11 to the cross-sectional area of the air guide element 10 is greater than or equal to 1/5; wherein, the cross-section of the air guide channels 11 is Within the cross section of the element 10 , the cross section of the air guide channel 11 and the cross section of the air guide element 10 are both perpendicular to the center line of the air guide element 10 .
  • the larger the gas flow area is; when the cross-sectional area of a single gas guide channel 11 is determined, the number of gas guide channels 11 that can be provided on the gas guide element 10 is also greater.
  • multiple circles of air guide channels 11 are arranged around the center of the air guide element 10 , and the ratio of the number of air guide channels 11 located in the inner ring to the number of air guide channels 11 located in the outer ring is equal to the radius of the inner ring and the number of air guide channels 11 located in the outer ring. Ratio of the radius of the outer ring.
  • an increasing number of air guide channels 11 can be provided, which can increase the flow of gas through the channels.
  • multiple air channels 11 It is arranged in a circular array, that is, the distance between two adjacent air guide channels 11 located in the same circle is equal.
  • the air guide element 10 meets at least one of the following conditions:
  • the diameter D3 of the air guide element 10 is: 4mm ⁇ D3 ⁇ 8mm;
  • the diameter D3 of the air guide element 10 is: 6mm ⁇ D3 ⁇ 7mm;
  • the cross-sectional area S1 of the air guide element 10 is: 10mm 2 ⁇ S1 ⁇ 50mm 2 ;
  • the cross-sectional area S1 of the air guide element 10 is: 25mm 2 ⁇ S1 ⁇ 35mm 2 ;
  • the axial length L1 of the air guide element 10 is: 5mm ⁇ L1 ⁇ 10mm;
  • the axial length L1 of the air guide element 10 is: 7mm ⁇ L1 ⁇ 9mm.
  • the air guide channels 11 may be irregularly shaped, and the air guide channels 11 may be in a linear array, a ray array, or randomly distributed on the air guide component 10 .
  • the first installation cavity 12 provided inside the air guide element 10 can be understood as the first installation cavity 12 being recessed from the outer surface of the air guide element 10 to the inside of the air guide element 10 , or that the first installation cavity 12 is recessed from the outer surface of the air guide element 10 to the inside of the air guide element 10 . It is made up of two or more split parts, and a cavity or gap for installing the heating element 20 is formed between two adjacent split parts. Specifically, reference can be made to the following examples:
  • the air guide element 10 includes a first air guide block 13 and a second air guide block 14 , the first air guide block 13 and the second air guide block 14 are along the center of the air guide element 10
  • the directions of line extension are arranged in sequence, that is, the end surface of the first air guide block 13 and the end surface of the second air guide block 14 are arranged oppositely, and the first installation cavity 12 is formed between the first air guide block 13 and the second air guide block 14.
  • the heating element 20 is disposed in the first installation cavity 12 .
  • the heating element 20 located between the first air guide block 13 and the second air guide block 14 is in the shape of a sheet, and can be a Mesh heating mesh, a metal sheet, a flexible heating film, or the like.
  • the air guide block includes a first air guide block 13 and a second air guide block 14 .
  • the first air guide block 13 and the second air guide block 14 are along a direction perpendicular to the air guide element 10 .
  • the directions in which the centerline extends are arranged in sequence, that is, the side surfaces of the first air guide block 13 and the side surfaces of the second air guide block 14 are arranged oppositely, and a first installation is formed between the first air guide block 13 and the second air guide block 14 Cavity 12, the heating element 20 is arranged in the first installation cavity 12; specifically, the heating element 20 is in the shape of a sheet, The heating element 20 can also be rolled into a rod shape, and specifically can be a Mesh heating net, a metal sheet or a flexible heating film.
  • the air guide block includes a first air guide block 13 and a second air guide block 14.
  • the first air guide block 13 is provided with a through groove, and the second air guide block 14 is disposed in the through groove.
  • the gap formed between the air guide block 13 and the second air guide block 14 is the first installation cavity 12
  • the heating element 20 is disposed in the first installation cavity 12 .
  • the heating element 20 is cylindrical or ring-shaped.
  • the heating element 20 is sleeved on the outer surface of the second air guide block 14 , and the heating element 20 and the second air guide block 14 are installed in the through groove.
  • the heating element 20 is a resistance heating wire.
  • the resistance heating wire is wound around the outer surface of the second air guide block 14 , and then the resistance heating wire and the second air guide block 14 are installed in the through slot.
  • the heating element 20 may also be a MESH metal mesh, a heating film, etc.
  • the air guide element 10 may include multiple air guide blocks stacked up and down along the extending direction of the centerline of the air guide element 10, or multiple air guide blocks along the vertical air guide block.
  • the extending direction of the center line of the element 10 is stacked on the left and right, and the heating element 20 is arranged in the gap between two adjacent air guide blocks. The heating element 20 heats the two adjacent air guide blocks respectively.
  • the first installation cavity 12 is disposed in the center of the air guide component 10
  • the heating element 20 is disposed in the first installation cavity 12 .
  • the heating element 20 is arranged in the center of the air guide element 10, which effectively utilizes the characteristics of the heating element 20 to generate heat in a radial manner, and heats outward in the radial direction from the center of the air guide element 10, which can greatly reduce the number of heating elements.
  • the heat dissipation of 20% improves the thermal efficiency of the airflow heating component 100.
  • the first installation cavity 12 may be tubular, and its diameter D2 satisfies: 0 mm ⁇ D2 ⁇ 2.5 mm.
  • the diameter of the first installation cavity 12 The smaller it is, the more space of the air guide element 10 can be released to increase the number of air guide channels 11 .
  • the diameter D2 of the first installation cavity 12 can also satisfy 0mm ⁇ D2 ⁇ 1.7mm.
  • the first installation cavity 12 may also be a flat groove, and the flat groove may be placed horizontally on the air guide component 10 or vertically on the air guide component 10 .
  • the flat groove can be inserted into the flake-shaped heating element 20.
  • the flake-shaped heating element 20 can be made of metal. Resistor heating sheet made of genus material. This can reduce the space occupied by the air guide element 10 in the first installation cavity 12, and can also make the heating element 20 and the air guide element 10 fit as closely as possible to maintain better contact, which is beneficial to improving heating efficiency.
  • first installation cavities 12 there are multiple first installation cavities 12 and there are multiple heating bodies 20 , and multiple heating bodies 20 are disposed in multiple first installation cavities 12 .
  • the plurality of first installation cavities 12 may be arranged around the center of the air guide component 10 , may be arranged linearly, or may be arranged randomly.
  • the inner surface of the first installation cavity 12 and the outer surface of the heating body 20 are at least partially arranged to reduce the gap between the outer surface of the heating body 20 and the inner surface of the first installation cavity 12 , thereby Enhance the direct heating effect of the heating element 20 on the air guide element 10; specifically, a flat heating wire can be used as the heating element, so that the outer surface of the heating wire after the spiral can be in a straight state.
  • the spiral heating wire is installed on When inside the first installation cavity 12, the outer surface of the heating wire can fit with the inner surface of the first installation cavity 12, so that the heat generated by the heating wire can be directly transferred to the air guide element 10, thereby reducing heat loss.
  • the first installation cavity 12 penetrates the air guide component 10 and is used to install the heating element 20 .
  • the first installation cavity 12 can also provide air flow to increase the air flow channel in the air guide component 10 .
  • the first installation cavity 12 can also be configured as a blind hole to facilitate fixing the heating element 20 in the first installation cavity 12 and to prevent the gas in the first installation cavity 12 from being heated by the heating element 20 and directly Entering the interior of the aerosol-generating product, causing users to burn their mouths when inhaling the smoke generated by the aerosol-generating product.
  • the heating element 20 and the first installation cavity 12 may only partially overlap, and the first installation cavity 12 may also be provided in only a partial area of the air guide component 10; for example, the heating element 20 is inserted into the first installation cavity 12.
  • the inner axial length is at least 1/3 of the axial length of the air guide element.
  • the inner wall of the first installation cavity 12 is provided with a contact portion 122 .
  • the contact portion 122 is used to contact one end of the heating element 20 to facilitate the installation of the heating element 20 and to contact the heating element 20 .
  • the connecting portion 122 cooperates with other components to fix the heating element 20 in the first installation cavity 12 .
  • the abutment 122 may be a stepped surface.
  • first The inner wall of the installation cavity 12 is provided with a snap-in slot, which is used for snap-in connection with the heating element 20 so that the heating element 20 can be fixed in the first installation cavity 12 .
  • the heating element 20 is provided with a ventilation air gap 21 .
  • the ventilation air gap 21 increases the passage of gas in the first installation cavity 12 and increases the number of gases heated directly or indirectly by the heating element 20 .
  • the gas passage improves the utilization rate of hot gas.
  • a first hollow groove is provided inside the heating element 20 , and at least the top of the first hollow groove communicates with the air guide element 10 , and/or at least the top of the first hollow groove communicates with the bottom of the aerosol-generating product.
  • the first hollow groove constitutes the ventilation air gap 21 of the heating element 20.
  • the first hollow groove is used to circulate the gas in the first installation cavity 12, increasing the gas path, so that the gas directly heated by the heating element 20 flows to the aerosol generation inside of the product.
  • a number of protrusions can be provided on the inner wall of the first hollow groove, and the plurality of protrusions are used to change the direction of the air flow in the first hollow groove, so that the gas flowing in the first hollow groove has an "S" shape flow, so as to increase the The heat absorbed by the gas prevents the airflow from entering the aerosol-generating product too quickly when it is far below the preset heating temperature.
  • the heating element 20 is provided with a first hollow groove and a plurality of first through holes penetrating the side wall surface of the heating element 20 .
  • the first hollow groove and the plurality of first through holes together constitute the ventilation air gap 21 of the heating element 20 .
  • a plurality of first through holes are connected to the air guide channels 11 of the air guide element 10, so that the gas inside the heating element 20 is heated and flows to the inside of the aerosol-generating product through the air guide channels 11.
  • the outer circumferential surface of the heating element 20 is provided with several grooves.
  • the grooves and the inner surface of the first installation cavity 12 jointly form a ventilation air gap 21.
  • the heating element 20 is in While heating the gas guide element 10, the gas flowing through the groove is also directly heated, thereby increasing the gas path.
  • the heating element 20 is spirally formed by a heating wire, and the heating wire forms a plurality of ventilation air gaps 21 during the spiraling process. It can be understood that the heating element 20 may be partially spiral-shaped or may be entirely spiral-shaped.
  • the heating element 20 may also have a double-layer spiral structure.
  • the first spiral layer 22 and the second spiral layer 23 are arranged outside the first spiral layer 22 along the spiral of the heating element 20.
  • the pitch of the second spiral layer 23 is greater than the pitch of the first spiral layer 22, so that the shape of the heating element 20 is screw-like.
  • the inner wall of the first installation cavity 12 is provided with a spiral fixing groove 123.
  • the spiral fixing groove 123 is used to be spirally connected to the second spiral layer 23, so that the heating element 20 can be directly fixed in the first installation cavity 12, reducing the number of parts for fixing the heating element 20, and helping to reduce the cost of the airflow heating assembly 100. volume.
  • the heating element 20 is provided with a clamping portion 24.
  • the clamping portion 24 engages with the clamping groove of the first installation cavity 12 to fix the heating element 20 in the first installation cavity 12. inside the first installation slot.
  • the snap-in groove is disposed at the mouth of the first installation cavity 12
  • the snap-in portion 24 is disposed at one end of the heating element 20 , so that the heating element 20 and the first installation cavity 12 can be clipped together only at the mouth of the cavity. , and the part of the heating element 20 inserted into the first installation cavity 12 can be directly attached to the inner surface of the first installation cavity 12 to reduce the heat loss of the heating element 20 .
  • the heating element 20 meets at least one of the following conditions:
  • the diameter D4 of the heating element 20 satisfies: 1mm ⁇ D4 ⁇ 2mm;
  • the diameter D4 of the heating element 20 satisfies: 1.4mm ⁇ D4 ⁇ 1.7mm;
  • the area S2 enclosed by the outer contour of the cross-section of the heating element 20 is: 0.7mm 2 ⁇ S2 ⁇ 3.5mm 2 , where the cross-section of the air guide element 10 is perpendicular to the center line of the air guide element 10; and
  • the axial length L2 of the heating element 20 is: 4mm ⁇ L2 ⁇ 9mm.
  • the heating element 20 may be made of at least one of metal materials, metal alloys, graphite, carbon, conductive ceramics or composite materials of ceramic materials and metal materials with appropriate impedance; wherein, an appropriate metal or Alloy materials include nickel, cobalt, zirconium, titanium, nickel alloy, cobalt alloy, zirconium alloy, titanium alloy, nickel-chromium alloy, nickel-iron alloy, iron-chromium alloy, iron-chromium-aluminum alloy, titanium alloy, iron-manganese-aluminum-based alloy or stainless steel, etc. at least one of them.
  • the airflow heating assembly 100 further includes a piercing heating element 30 , which is disposed at one end of the air guide element 10 , and is used for piercing and The tobacco section inserted into the aerosol-generating article transfers the heat generated by the heating element 20 to the aerosol-generating article.
  • the puncture type heating element 30 includes a puncture part 31 and a mounting part 32.
  • One end of the mounting part 32 It is connected to the air guide element 10, and the other end of the mounting part 32 is connected to the piercing part 31.
  • the piercing part 31 is used to pierce the air inlet end of the tobacco section of the aerosol-generating product, and a second mounting part is provided inside the mounting part 32.
  • Cavity 321, the second installation cavity 321 and the first installation cavity 12 are connected, and the heating element 20 is arranged in the first installation cavity 12 and the second installation cavity 321.
  • the heating element 20 is used to simultaneously heat the air guide element 10 and the installation part 32. Puncture part 31.
  • the side wall surface of the mounting portion 32 is provided with a through vent hole 322, which connects the second mounting cavity 321 with the outside world, so that when the puncture-type heating element 30 is inserted into the interior of the aerosol-generating product, the heated gas Enter the second installation cavity 321 from the first installation cavity 12, and then enter the interior of the aerosol-generating product through the ventilation hole 322 to complete the process of heating the aerosol-generating product.
  • the airflow heating assembly 100 further includes a cover plate 40 .
  • the cover plate 40 is disposed at the other end of the air guide element 10 .
  • the cover plate 40 is used to contact the abutting portion in the first installation cavity 12 .
  • 122 cooperate together to fix the heating element 20 in the first installation cavity 12 .
  • At least part of the cover 40 can be made of ceramic, which can effectively insulate heat.
  • the contact portion may also be formed by at least part of the air guide element 10 , or may be formed by a heating element disposed inside the first installation cavity 12 .
  • the airflow heating assembly 100 also includes an insulation assembly.
  • the insulation assembly 200 includes an inner tube part 202 and an outer tube part 203.
  • a receiving cavity 201 is provided in the inner tube wall.
  • the inner tube wall can also be An installation structure matching the air guide element 10 is provided so that the air guide element 10 can be assembled inside the inner tube wall.
  • the aerosol-generating product is closely fitted and inserted into the receiving cavity 201, and the outer tube portion 203 is sleeved. Outside the inner tube part 202, a cavity 204 is enclosed between the inner tube part 202 and the outer tube part 203.
  • the inside of the cavity 204 has a certain degree of vacuum, or is filled with an inert gas with low thermal conductivity, or is filled with Solid medium or liquid medium with low thermal conductivity.
  • "close to fit” means that it is hoped that the distance between the inner tube part 202 and the aerosol-generating article is as small as possible, which is conducive to assisting the residual temperature of the inner tube part 202 on the circumferential outer surface of the aerosol-generating article. Heating can supplement the baking of the outer surface of the aerosol-generating product, so that the baking of the aerosol-generating product is more complete and uniform.
  • the minimum distance between the inner tube part 202 and the outer surface of the aerosol-generating product is within 1 mm. , preferably 0.5mm.
  • the cavity 204 of the heat preservation component 200 can reduce the heat transferred from the inner tube part 202 to the outer tube part 203, so that the heat preservation component 200 also assumes the heat insulation role of the airflow heating component. There is no need to add other insulation measures or components, which helps reduce costs and simplify the structure.
  • the above-mentioned insulation component 200 can also be a single-layer tube, such as a metal tube or a ceramic tube, which can absorb part of the heat of the air-guiding element 10 and convert it into supplementary heating of the aerosol-generating product. , one is to dissipate heat quickly, and the other is to reduce power consumption.
  • a single-layer tube such as a metal tube or a ceramic tube
  • the airflow heating assembly 100 in the embodiment of the present application includes an air guide element 10 and a heating element 20.
  • the air guide element 10 is provided with a first installation cavity 12 inside.
  • the air guide element 10 is provided with a plurality of through-passed air guide channels 11.
  • the air guide channels 11 is used for gas circulation; the heating element 20 is disposed in the first installation cavity 12, and the heating element 20 is used to electrically connect with an external power source and heat the air-guiding element 10, so that the air-guiding element 10 can flow through the air-guiding channel 11 gas heating.
  • the heating element 20 By arranging the heating element 20 inside the air guide element 10, the problem of the traditional heating element 20 being set outside the air guide element 10, which causes the heating element 20 to dissipate part of the heat outward, can be effectively overcome, and the heating efficiency of the heating element 20 can be improved. .
  • the aerosol generating device 1000 is used for inserting an aerosol generating product and heating the aerosol generating product to generate aerosol.
  • the aerosol generating device 1000 It includes a housing 200 and the above-mentioned airflow heating assembly 100.
  • the housing 200 is provided with a receiving cavity 201, at least part of the aerosol-generating article is removably disposed in the receiving cavity 201, the airflow heating assembly 100 is disposed in the receiving cavity 201, and the airflow heating assembly 100 is disposed on the aerosol-generating article.
  • the upstream airflow position is such that after the air passing through the airflow heating assembly 100 is heated, it enters the interior of the aerosol-generating product for heating.
  • the housing may be a thermal insulation component, or a thermal insulation component may be provided inside the housing.
  • the heat insulation piece is in the shape of a hollow cylinder and can be made of vacuum tubes or high-temperature resistant materials such as Peek and aerogel.
  • the heat insulation member can be used to reduce the heat generated by the airflow heating component from being transferred along the direction of the housing, and prevent the temperature of the external area of the airflow heating component in contact with the user from being too high and scalding the user.

Landscapes

  • Resistance Heating (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)

Abstract

La présente invention se rapporte au domaine technique des dispositifs de production d'aérosol (1000), et concerne un ensemble de chauffage de flux d'air (100) et un dispositif de chauffage de flux d'air. L'ensemble de chauffage de flux d'air (100) comprend un élément de guidage d'air (10) et un élément chauffant (20); une première cavité de montage (12) est disposée à l'intérieur de l'élément de guidage d'air (10) ; l'élément de guidage d'air (10) est pourvu d'une pluralité de canaux de guidage d'air traversants (11), et les canaux de guidage d'air (11) sont conçus pour permettre à un gaz de circuler ; l'élément chauffant (20) est disposé dans la première cavité de montage (12), et l'élément chauffant (20) est conçu pour être électriquement connecté à une alimentation électrique externe pour chauffer l'élément de guidage d'air (10), de telle sorte que l'élément de guidage d'air (10) chauffe le gaz s'écoulant à travers les canaux de guidage d'air (11). La fourniture de l'élément chauffant (20) à l'intérieur de l'élément de guidage d'air (10) peut résoudre efficacement le problème d'un élément chauffant classique (20) émettant une certaine chaleur vers l'extérieur en raison du fait que l'élément chauffant (20) est monté à l'extérieur de l'élément de guidage d'air (10), et peut améliorer l'efficacité de chauffage de l'élément chauffant (20).
PCT/CN2023/103803 2022-07-08 2023-06-29 Ensemble de chauffage de flux d'air et dispositif de production d'aérosol WO2024007941A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210802011.6 2022-07-08
CN202210802011.6A CN117397877A (zh) 2022-07-08 2022-07-08 气流加热组件及气溶胶生成装置

Publications (1)

Publication Number Publication Date
WO2024007941A1 true WO2024007941A1 (fr) 2024-01-11

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PCT/CN2023/103803 WO2024007941A1 (fr) 2022-07-08 2023-06-29 Ensemble de chauffage de flux d'air et dispositif de production d'aérosol

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CN (1) CN117397877A (fr)
WO (1) WO2024007941A1 (fr)

Citations (7)

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