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CN-224219504-U - Aerosol matrix heating assembly and aerosol generating device

CN224219504UCN 224219504 UCN224219504 UCN 224219504UCN-224219504-U

Abstract

The application relates to the technical field of atomization devices, in particular to an aerosol matrix heating assembly and an aerosol generating device. The diverter of the aerosol substrate heating component is positioned on the air path channel between the accommodating cavity and the heat exchanger, the air flow heated by the heat exchanger is diverted by the diverter and then enters the aerosol generating rod, as the same air homogenizing space in the diverter is simultaneously communicated with the middle heat exchange channel and the edge heat exchange channel, the temperature difference of the air flows in different areas can be reduced through the air homogenizing space, so that the temperature difference of the air flows entering the aerosol generating rod is smaller, and the problem that the heating uniformity of the existing hot air flow to the aerosol generating rod is poor is solved.

Inventors

  • ZHANG JIN

Assignees

  • 深圳市基克纳科技有限公司

Dates

Publication Date
20260512
Application Date
20250327

Claims (10)

  1. 1. An aerosol-substrate heating assembly, the aerosol-substrate heating assembly having a receiving cavity into which an aerosol-generating rod is inserted, the aerosol-substrate heating assembly comprising: The heat exchanger is provided with a plurality of heat exchange channels which are communicated with the accommodating cavity, and the heat exchange channels are used for heating the airflow flowing to the aerosol generating rod; the heating piece is at least used for heating the heat exchanger; The flow divider is positioned on the air passage between the accommodating cavity and the heat exchanger, and one side of the flow divider facing the heat exchanger is provided with at least two gas homogenizing spaces and a blocking structure for separating adjacent gas homogenizing spaces; The heat exchange channels comprise a middle heat exchange channel and an edge heat exchange channel, the middle heat exchange channel is positioned in the middle of the heat exchanger, the edge heat exchange channels are positioned at the edges of the heat exchanger, the same gas homogenizing space is simultaneously communicated with the middle heat exchange channel and the edge heat exchange channels, the flow divider is provided with gas outlet holes communicated with the gas homogenizing space, and the gas outlet holes are used for supplying gas to the aerosol generating rods.
  2. 2. The aerosol-substrate heating assembly of claim 1, wherein the barrier structure comprises dividing strips extending from a center to an edge of the flow divider, each of the dividing strips being radially disposed, adjacent the plenum along the circumference of the flow divider being separated by the dividing strips.
  3. 3. The aerosol-substrate heating assembly of claim 1 or 2, wherein the outlet aperture is proximate an edge of the flow divider and distal a center of the flow divider.
  4. 4. The aerosol-substrate heating assembly of claim 1 or 2, wherein the flow area of the outlet aperture is less than the flow area of the plenum.
  5. 5. The aerosol-substrate heating assembly of claim 1 or 2, wherein each of the plenum spaces is disposed circumferentially of the flow splitter.
  6. 6. An aerosol-substrate heating assembly according to claim 1 or claim 2, wherein the side of the flow divider facing the receiving chamber has a converging space, each of the outlet holes being in communication with the converging space.
  7. 7. The aerosol-substrate heating assembly of claim 6, wherein the diverter includes a diverter base and a protrusion on a side of the diverter base facing the receiving cavity, the protrusion for blocking an end face of the aerosol-generating rod inserted into the receiving cavity to prevent the aerosol-generating rod from entering the converging space.
  8. 8. The aerosol-substrate heating assembly of claim 1 or 2, wherein the gas outlet holes are in one-to-one correspondence with the gas homogenizing space.
  9. 9. The aerosol-substrate heating assembly of claim 1 or 2, wherein the heat generating component is a heat generating tube comprising a heat exchanger heating section and a generating rod heating section, the heat exchanger heating section and the generating rod heating section being arranged in an axial direction of the heat generating tube, at least a portion of the heat exchanger being in the heat exchanger heating section and in heat conductive contact with the heat exchanger heating section for heating the heat exchanger by the heat exchanger heating section, the generating rod heating section enclosing at least a portion of the receiving cavity.
  10. 10. An aerosol-generating device comprising a housing and an aerosol-substrate heating assembly according to any of claims 1 to 9, the aerosol-substrate heating assembly being mounted to the housing.

Description

Aerosol matrix heating assembly and aerosol generating device Technical Field The application relates to the technical field of atomization devices, in particular to an aerosol matrix heating assembly and an aerosol generating device. Background The aerosol generating device is used for generating aerosol for a user to inhale. An aerosol-generating device in the prior art generates an aerosol by heating an aerosol-generating rod, specifically, inserts the aerosol-generating rod into the aerosol-generating device, and heats the aerosol-generating rod by an electric heater in the aerosol-generating device to generate the aerosol. The electric heating element is usually required to control the temperature when heating the aerosol-generating rod so that the material for generating an aerosol in the aerosol-generating rod generates an aerosol in a non-combusted state. When the current aerosol generating device is used, the electric heating element generally heats the periphery of the aerosol generating rod, and the aerosol generating rod is heated unevenly. By supplying a flow of hot gas to the bottom of the aerosol-generating rod, the problem of non-uniform heating of the aerosol-generating rod can be ameliorated. The periphery of the heat exchanger is heated through the electric heating piece, so that air flow can be heated through the heat exchanger, but the temperature of the air flow passing through the heat exchange channel at the edge of the heat exchanger is higher, the temperature of the air flow passing through the heat exchange channel at the center of the heat exchanger is lower, the temperature difference of hot air flow in different areas is large, and after the hot air flow enters the aerosol generating rod, the heating uniformity of the aerosol generating rod is poor. Disclosure of utility model The application provides an aerosol substrate heating assembly which is used for solving the problem that the heating uniformity of the existing hot air flow on an aerosol generating rod is poor. In addition, the application also aims to provide an aerosol generating device using the aerosol-substrate heating assembly. In a first aspect, an embodiment provides an aerosol-substrate heating assembly having a receiving cavity into which an aerosol-generating rod is inserted, the aerosol-substrate heating assembly comprising: The heat exchanger is provided with a plurality of heat exchange channels which are communicated with the accommodating cavity, and the heat exchange channels are used for heating the airflow flowing to the aerosol generating rod; the heating piece is at least used for heating the heat exchanger; The flow divider is positioned on the air passage between the accommodating cavity and the heat exchanger, and one side of the flow divider facing the heat exchanger is provided with at least two gas homogenizing spaces and a blocking structure for separating adjacent gas homogenizing spaces; The heat exchange channels comprise a middle heat exchange channel and an edge heat exchange channel, the middle heat exchange channel is positioned in the middle of the heat exchanger, the edge heat exchange channels are positioned at the edges of the heat exchanger, the same gas homogenizing space is simultaneously communicated with the middle heat exchange channel and the edge heat exchange channels, the flow divider is provided with gas outlet holes communicated with the gas homogenizing space, and the gas outlet holes are used for supplying gas to the aerosol generating rods. Further, in one embodiment, the blocking structure comprises separation strips extending from the center to the edge of the flow divider, wherein each separation strip is radially distributed, and adjacent gas homogenizing spaces in the circumferential direction of the flow divider are separated by the separation strips. Further, in one embodiment, the outlet holes are near the edge of the flow splitter and far from the center of the flow splitter. Further, in an embodiment, a flow area of the air outlet hole is smaller than a flow area of the air homogenizing space. Further, in one embodiment, each of the plenum spaces is arranged along a circumferential direction of the flow splitter. Further, in one embodiment, a converging space is formed on a side, facing the accommodating cavity, of the flow divider, and each of the air outlet holes is communicated with the converging space. Further, in one embodiment, the diverter comprises a diverter base and a protrusion on a side of the diverter base facing the receiving cavity, the protrusion being configured to block an end face of the aerosol-generating rod inserted into the receiving cavity to prevent the aerosol-generating rod from entering the converging space. Further, in one embodiment, the air outlet holes are in one-to-one correspondence with the air homogenizing spaces. Further, in an embodiment, the heating element is a heating tube, the heating tube includes a heat exchanger