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CN-224219514-U - Heating assembly and aerosol generating device

CN224219514UCN 224219514 UCN224219514 UCN 224219514UCN-224219514-U

Abstract

The application relates to the technical field of aerosol generation, in particular to a heating component and an aerosol generating device. The heating assembly comprises an infrared transmission piece and a heating piece. The infrared transmission piece is internally provided with a containing cavity and a heat exchange channel, the heat exchange channel is arranged at the outer side of the containing cavity at intervals and used for containing aerosol matrixes, the heating piece is arranged on the infrared transmission piece and arranged at the outer side of the heat exchange channel and used for generating heat so as to heat the gas in the heat exchange channel into hot gas flow for heating the aerosol matrixes in the containing cavity, and the infrared transmission piece is configured to enable infrared radiation generated by the heating piece to heat the aerosol matrixes in the containing cavity. The heating element of the heating component can heat the hot air flow entering the aerosol matrix and can directly radiate and heat the aerosol matrix through infrared rays, so that the heating efficiency and the energy utilization rate of the heating element are improved.

Inventors

  • ZHANG JIN

Assignees

  • 深圳市基克纳科技有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (10)

  1. 1. A heating assembly for use in an aerosol-generating device, comprising: The infrared transmission piece is internally provided with a containing cavity and a heat exchange channel, the heat exchange channel is arranged at the outer side of the containing cavity at intervals, and the containing cavity is used for containing aerosol matrixes; The heating piece is arranged on the infrared transmission piece and arranged at the outer side of the heat exchange channel, and is used for generating heat so as to heat the gas in the heat exchange channel into hot air flow for heating the aerosol matrix in the accommodating cavity; the infrared transmissive element is configured to cause infrared radiation generated by the heat generating element to heat the aerosol substrate within the receiving cavity.
  2. 2. The heating assembly of claim 1, wherein the infrared transmissive member is a tubular structure having an annular sidewall with an inner side surface circumscribing the receiving cavity, the heat exchange channel is disposed between an outer side surface of the annular sidewall and an inner side surface of the annular sidewall, and the heat generating member is disposed on the outer side surface of the annular sidewall.
  3. 3. A heating assembly according to claim 2, wherein the heat exchange channels extend through both axial ends of the annular side wall and/or wherein the heat exchange channels are of a hole-like structure.
  4. 4. The heating assembly of claim 2, wherein the heat exchange channels extend from one axial end of the annular sidewall to the other, the number of heat exchange channels being a plurality, the plurality of heat exchange channels being disposed at intervals along the circumference of the annular sidewall.
  5. 5. The heating assembly of claim 1, wherein the infrared transmissive element has a transmittance of 80% or more for infrared light.
  6. 6. The heating assembly of claim 5, wherein the infrared transmissive element is configured as an infrared transmissive element of glass-ceramic.
  7. 7. The heating assembly of any of claims 1-6, wherein the inner diameter of the receiving cavity is greater than the outer diameter of the aerosol substrate such that when the aerosol substrate is received in the receiving cavity, an outer wall of the aerosol substrate is spaced from an inner wall of the receiving cavity.
  8. 8. The heating assembly of any one of claims 1-6, further comprising a bracket and a base, wherein the bracket and the base are respectively abutted against two axial ends of the infrared transmission piece, a containing cavity is arranged in the base, a bottom wall of the containing cavity is used for supporting the aerosol matrix, one end of the heat exchange channel, which is close to the bracket, is communicated with the outside atmosphere, one end of the heat exchange channel, which is close to the base, is communicated with the containing cavity, and gas in the containing cavity can flow into the aerosol matrix.
  9. 9. The heating assembly of claim 8, further comprising a sealing member and an air flow sensor, wherein at least part of the sealing member is located on one side of the base away from the infrared transmission member, the sealing member is matched with the base to form an induction cavity, an air hole is formed in the bottom wall of the accommodation cavity, the air hole is communicated with the induction cavity and the accommodation cavity, at least part of the cavity wall of the induction cavity is an elastic film, a containing cavity is formed on one side of the elastic film away from the induction cavity, the air flow sensor is arranged in the containing cavity, deformation of the elastic film can change the volume of the containing cavity, and the air flow sensor is used for sensing air pressure change in the containing cavity.
  10. 10. An aerosol-generating device comprising a heating assembly according to any of claims 1-9.

Description

Heating assembly 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 generating device. Background An aerosol generating device is a device capable of heating an atomized aerosol substrate to cause the aerosol substrate to generate an aerosol. Typically, the aerosol-generating device has a heating chamber therein, and the aerosol substrate is heated by inserting the aerosol substrate into the heating chamber of the aerosol-generating device. The heating mode of the heating cavity can be, for example, a heating mode of hot air flow. The hot air flow heating is to heat the air flow into hot air flow before the air flow enters the aerosol matrix, and the hot air flow can heat the aerosol matrix after entering the aerosol matrix. However, the heat generating element heats only the hot air flow, so that the heating efficiency and the energy utilization rate of the heat generating element for heating the hot air flow are low. Disclosure of utility model The application provides a heating component and an aerosol generating device, which can solve the problem of low energy utilization rate of a heating element. In order to solve the technical problems, the application provides a heating component, which is applied to an aerosol generating device and comprises an infrared transmission piece and a heating piece. The infrared transmission piece is internally provided with a containing cavity and a heat exchange channel, the heat exchange channel is arranged at intervals on the outer side of the containing cavity and used for containing aerosol matrixes, the heating piece is arranged on the infrared transmission piece and arranged on the outer side of the heat exchange channel and used for generating heat so as to heat the gas in the heat exchange channel into hot gas flow for heating the aerosol matrixes in the containing cavity, and the infrared transmission piece is configured to enable infrared radiation generated by the heating piece to heat the aerosol matrixes in the containing cavity. In one embodiment, the infrared transmission piece is of a tubular structure, the tubular structure is provided with an annular side wall, the inner side face of the annular side wall is enclosed to form a containing cavity, the heat exchange channel is arranged between the outer side face of the annular side wall and the inner side face of the annular side wall, and the heating piece is arranged on the outer side face of the annular side wall. In one embodiment, the heat exchange channels extend through both axial ends of the annular sidewall and/or the heat exchange channels are of a hole-like structure. In one embodiment, the heat exchange channels extend from one axial end of the annular sidewall to the other, the number of heat exchange channels being plural, the plural heat exchange channels being disposed at intervals along the circumferential direction of the annular sidewall. In one embodiment, the infrared transmissive member has a transmittance of 80% or more for infrared light. In one embodiment, the infrared transmissive element is configured as an infrared transmissive element of glass ceramic. In one embodiment, the inner diameter of the receiving cavity is greater than the outer diameter of the aerosol substrate such that when the aerosol substrate is received within the receiving cavity, the outer wall of the aerosol substrate is spaced from the inner wall of the receiving cavity. In one embodiment, the heating assembly further comprises a support and a base, the support and the base are respectively abutted against two axial ends of the infrared transmission piece, a containing cavity is formed in the base, the bottom wall of the containing cavity is used for supporting aerosol matrixes, one end, close to the support, of the heat exchange channel is communicated with the outside atmosphere, one end, close to the base, of the heat exchange channel is communicated with the containing cavity, and gas in the containing cavity can flow into the aerosol matrixes. In one embodiment, the heating assembly further comprises a sealing element and an air flow sensor, at least part of the sealing element is located on one side, far away from the infrared transmission element, of the base, the sealing element is matched with the base to form an induction cavity, an air hole is formed in the bottom wall of the accommodation cavity and is communicated with the induction cavity and the accommodation cavity, at least part of the cavity wall of the induction cavity is an elastic film, the accommodation cavity is arranged on one side, far away from the induction cavity, of the elastic film, the air flow sensor is arranged in the accommodation cavity, deformation of the elastic film can change the volume of the accommodation cavity, and the air flow sensor is used for sensing air pressure change in the accommodation ca