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CN-224219486-U - Heating element and aerosol generating device

CN224219486UCN 224219486 UCN224219486 UCN 224219486UCN-224219486-U

Abstract

The application relates to the technical field of aerosol generation, in particular to a heating component and an aerosol generation device, wherein the heating component comprises a supporting structure, a heating body, a porous body and a heat exchange body; the heat exchange body is arranged in the heating cavity and far away from the insertion opening, the porous body is arranged on one side of the heat exchange body facing the insertion opening, and the end face of the porous body facing the insertion opening is contacted with the aerosol generating product. The application can raise the heating speed of the aerosol generating product, increase the quantity of the aerosol generated in unit time, enhance the consistency of the aerosol, raise the heat utilization rate of the aerosol generating device, effectively reduce the energy consumption, and adsorb and heat the returned aerosol and/or aerosol condensate in the cavity by utilizing the capillary effect, thereby avoiding the leakage of the aerosol and/or aerosol condensate.

Inventors

  • Request for anonymity
  • Request for anonymity

Assignees

  • 深圳市基克纳科技有限公司

Dates

Publication Date
20260512
Application Date
20250514

Claims (10)

  1. 1. A heating assembly, comprising: a support structure; The heating body is arranged in the supporting structure, a heating cavity is arranged in the heating body and is used for heating the aerosol-generating product, and one end of the heating cavity along the axial direction of the heating cavity is provided with an inserting port for inserting the aerosol-generating product into the heating cavity; The heat exchange body is arranged in the heating cavity and is far away from the insertion port, is provided with a plurality of heat exchange holes penetrating through the heat exchange body along the axial direction of the heating cavity, and is provided with a plurality of heat exchange holes And a porous body provided on a side of the heat exchange body facing the insertion port, and having an end surface facing the insertion port for contact with the aerosol-generating article.
  2. 2. The heating assembly of claim 1, wherein the porous body is provided with a first mounting portion, and the heat exchange body comprises a heat exchange base and a first fixing portion mated with the first mounting portion.
  3. 3. The heating assembly of claim 2, wherein the first mounting portion includes a first mounting hole provided on the porous body, and the first fixing portion includes a first fixing protrusion protruding from the heat exchange base toward the insertion port.
  4. 4. The heating assembly of claim 3, wherein the first mounting hole is a blind hole, an opening of the first mounting hole faces the heat exchanging body, and an extension length of the first mounting hole is smaller than an extension length of the first fixing protrusion in an axial direction of the heating chamber.
  5. 5. The heating assembly of claim 4, wherein a plurality of heat exchange holes penetrate through the heat exchange base body along the axial direction of the heating cavity, the plurality of heat exchange holes are distributed around the axis of the heat exchange base body to form a plurality of heat exchange hole rows, the plurality of heat exchange hole rows are distributed at intervals from the outer edge of the heat exchange base body to the center so as to form an installation gap between two adjacent heat exchange hole rows, a limiting part is arranged at one installation gap, the limiting part protrudes towards the insertion port and is arranged on the heat exchange base body, and the limiting part is arranged outside the installation part at intervals.
  6. 6. The heating assembly according to any one of claims 1 to 5, wherein the porous body comprises a plurality of porous metal felts stacked in an axial direction of the heating chamber, the porous metal felts being provided in insulation from the heating body, and micropores of the plurality of porous metal felts being at least partially communicated in the axial direction of the heating chamber.
  7. 7. The heating assembly of claim 1, further comprising a reflector tube disposed outside of and spaced apart from the heat generating body.
  8. 8. The heating assembly according to claim 1, wherein the supporting structure comprises a supporting body and a base, the supporting body is arranged outside the heating body at intervals to form an air flow channel between the heating body and the supporting body, an air inlet hole is formed in the supporting body and is communicated with the air flow channel and the external environment, the base is inserted into one end, away from the insertion port, of the supporting body and is arranged at intervals with the heat exchange body to form an air flow space between the base and the heat exchange body, the air flow space is communicated with the air flow channel, and the air flow space is communicated with the heating cavity through the heat exchange hole.
  9. 9. The heating assembly of claim 8, wherein a second mounting portion is provided at an end of the heat exchange body facing the base, and a second fixing portion is provided on the base to be engaged with the second mounting portion.
  10. 10. An aerosol-generating device comprising a power supply assembly and a heating assembly according to any of claims 1-9, the power supply assembly being arranged to provide the power required for operation of the heating assembly.

Description

Heating element and aerosol generating device Technical Field The application relates to the technical field of aerosol generation, in particular to a heating component and an aerosol generation device. Background The aerosol-generating device generates an aerosol from an aerosol-generating article by using the principle of heating without combustion, which means that the aerosol-generating article is not directly combusted, but the aerosol-generating substrate is heated by an external heat source to generate the aerosol. The prior aerosol generating device selects a single heat transfer mode to transfer heat to an aerosol generating product, which affects the heating speed of the aerosol generating product, so that the quantity of aerosol generated in unit time is less, the experience of a user is reduced, and meanwhile, the single heat transfer mode also reduces the heat utilization rate of the aerosol generating device, thereby increasing the energy consumption of the aerosol generating device. Disclosure of utility model The application provides a heating component and an aerosol generating device, which are used for solving the technical problems of increasing heat utilization rate and energy consumption and reducing user experience. One aspect of the present application provides a heating assembly comprising: a support structure; The heating body is arranged in the supporting structure, a heating cavity is arranged in the heating body and is used for heating the aerosol-generating product, and one end of the heating cavity along the axial direction of the heating cavity is provided with an inserting port for inserting the aerosol-generating product into the heating cavity; The heat exchange body is arranged in the heating cavity and is far away from the insertion port, is provided with a plurality of heat exchange holes penetrating through the heat exchange body along the axial direction of the heating cavity, and is provided with a plurality of heat exchange holes And a porous body provided on a side of the heat exchange body facing the insertion port, and having an end surface facing the insertion port for contact with the aerosol-generating article. In some alternative embodiments, a first mounting portion is provided on the porous body, and the heat exchange body includes a heat exchange base and a first fixing portion that mates with the first mounting portion. In some alternative embodiments, the first mounting portion includes a first mounting hole provided on the porous body, and the first fixing portion includes a first fixing protrusion protruding toward the insertion port and provided on the heat exchange base. In some alternative embodiments, the first mounting hole is a blind hole, the opening of the first mounting hole faces the heat exchange body, and the extension length of the first mounting hole is smaller than the extension length of the first fixing protrusion in the axial direction of the heating cavity. In some optional embodiments, a plurality of heat exchange holes penetrate through the heat exchange matrix along the axial direction of the heating cavity, the plurality of heat exchange holes are distributed around the axis of the heat exchange matrix to form a plurality of heat exchange hole rows, the plurality of heat exchange hole rows are distributed at intervals from the outer edge of the heat exchange matrix to the center so as to form a mounting gap between two adjacent heat exchange hole rows, a limiting part is arranged at one mounting gap, the limiting part protrudes towards the inserting port and is arranged on the heat exchange matrix, and the limiting part is arranged outside the mounting part at intervals. In some alternative embodiments, the porous body comprises a plurality of porous metal felts stacked along the axial direction of the heating cavity, the porous metal felts are insulated from the heating body, and the micropores of the porous metal felts are at least partially communicated in the axial direction of the heating cavity. In some alternative embodiments, the heating assembly further includes a reflection pipe disposed outside the heating body and spaced apart from the heating body. In some optional embodiments, the support structure comprises a support body and a base, wherein the support body is arranged outside the heating body at intervals to form an air flow channel between the heating body and the support body, an air inlet hole is formed in the support body and is communicated with the air flow channel and the external environment, the base is inserted into one end, away from the insertion hole, of the support body and is arranged at intervals with the heat exchange body to form an air flow space between the base and the heat exchange body, the air flow space is communicated with the air flow channel, and the air flow space is communicated with the heating cavity through the heat exchange hole. In some alternative embodiments, a second mounting