CN-224219510-U - Heating device and aerosol-generating device

Abstract

The application relates to the technical field of aerosol-generating devices, and provides a heating device and an aerosol-generating device. The heating device comprises a support sleeve, a heating component and a heat insulation support, wherein the support sleeve is provided with a first opening and a second opening which are opposite in a first direction, the first opening is used for penetrating an aerosol generating rod, the heating component is arranged in the support sleeve and provided with a heating cavity capable of containing the aerosol generating rod, the opening end of the heating cavity faces the first opening, the heat insulation support is arranged in the support sleeve and close to the second opening, and the heat insulation support is connected with one end of the heating component, which faces the second opening. According to the technical scheme, the bottom of the heating component is supported and fixed by the heat insulation support, so that a certain distance is kept between the bottom area with higher temperature of the heating component and the support sleeve, and the bottom area and the support sleeve are prevented from being in direct contact with each other, so that the possibility of deformation or melting of the support sleeve caused by high-temperature baking is reduced, and the service life of the support sleeve is prolonged.

Inventors

• ZHANG JIN
• Yang Yangbin

Assignees

• 深圳市基克纳科技有限公司

Dates

Publication Date

20260512

Application Date

20250428

Claims (10)

1. 1. A heating device, comprising: A support sleeve having first and second openings opposite in a first direction, the first opening for penetration of an aerosol-generating rod; The heating component is arranged in the supporting sleeve and provided with a heating cavity capable of accommodating the aerosol generating rod, and the opening end of the heating cavity faces the first opening; And the heat insulation support is arranged at the position, close to the second opening, in the support sleeve, and is connected with one end, facing the second opening, of the heating component.
2. 2. A heating apparatus according to claim 1, wherein, The heat insulation support is provided with a supporting bulge at one end facing the heating component, and the supporting bulge is connected with the heating component.
3. 3. A heating apparatus according to claim 2, wherein, The supporting bulge is located at the center of the heating component, the thermal insulation support is located in the peripheral outer side area of the supporting bulge, and a preset distance exists between the supporting bulge and the heating component in the first direction.
4. 4. A heating apparatus according to claim 3, wherein, The thermally insulated support further comprises: The support body is of an annular structure, and the supporting bulge is positioned on the inner side of the support body on a projection plane perpendicular to the first direction; And a plurality of connecting plates, wherein the connecting plates are arranged at intervals along the circumferential direction of the support body, one end of each connecting plate is connected with the supporting protrusion, and the other end of each connecting plate is connected with the support body.
5. 5. A heating apparatus according to claim 3, wherein, And a through hole is formed in the heat insulation support, located in the peripheral outer side area of the supporting protrusion, and penetrates through the heat insulation support along the first direction.
6. 6. A heating apparatus according to claim 2, wherein, A first assembly structure is arranged on the inner side wall of the support sleeve and close to the first opening, and protrudes towards the radial inner side of the support sleeve; The heat generating component includes: The tube wall of the heating tube is provided with a heating resistor, the heating resistor is used for heating in an electrified state, and one end of the heating tube, which faces the first opening, is abutted with the first assembly structure; The heat exchange core is arranged at one end of the heating tube, which faces the second opening, and at least part of the structure of the heat exchange core stretches into the heating tube to form the heating cavity by surrounding the heating tube; the supporting protrusion extends into the assembly groove and is abutted with the groove bottom wall of the assembly groove.
7. 7. A heating apparatus according to claim 6, wherein, The first assembly structure is of an annular structure, a first step structure is arranged on the inner side wall of one end of the first assembly structure, which faces the second opening, and one end of the heating tube, which faces the first opening, extends into the first assembly structure and is abutted with the first step structure; The end face of one end of the first step structure, which faces the second opening, is provided with a plurality of ventilation grooves, and the ventilation grooves are arranged at intervals along the circumferential direction so as to allow the inlet air flow to pass through.
8. 8. A heating apparatus according to claim 6, wherein, The circumferential edge of one end of the heat exchange core facing the second opening is provided with a second step structure which protrudes outwards along the radial direction and is abutted with one end of the heating tube facing the second opening, and/or, And the heat insulation support is provided with a plurality of wire passing channels, and the pin structure of the heating resistor penetrates through the corresponding wire passing channels and extends out of the support sleeve.
9. 9. A heating device according to any one of claims 1 to 8, wherein, The heat insulation support is provided with an air flow channel penetrating along a first direction; The heating device further includes: the installation base is connected to one end of the supporting sleeve, provided with the second opening, in the first direction, the installation base is abutted against the heat insulation support, an induction cavity is formed in the installation base, a flexible diaphragm is covered in the induction cavity, the induction cavity is divided into a first induction cavity and a second induction cavity which are isolated from each other by the flexible diaphragm, the first induction cavity is communicated with the airflow channel, and the flexible diaphragm is configured to move towards the first induction cavity or the second induction cavity under the action of air pressure at least partially; and the air flow sensing assembly is arranged in the second sensing cavity and is in sealing fit with the inner cavity wall of the second sensing cavity, and the air flow sensing assembly is configured to be electrically connected with the power supply assembly and is used for sensing the air pressure change in the second sensing cavity and generating corresponding sensing signals.
10. 10. An aerosol-generating device, comprising: The device comprises a main machine shell, a first connecting piece and a second connecting piece, wherein one end of the main machine shell in a first direction is provided with an assembling port, and the assembling port is used for penetrating an aerosol generating rod; The heating device according to any one of claims 1 to 9, which is provided in the main casing, and a first opening of which is provided in correspondence with the fitting opening; And the power supply device is arranged in the main machine shell and is electrically connected with the heating component of the heating device.

Description

Heating device and aerosol-generating device Technical Field The application relates to the technical field of aerosol-generating devices, in particular to a heating device and an aerosol-generating device. Background Currently, in some heated non-combusting aerosol-generating devices, a heat exchanging core is disposed within a heating tube to heat the aerosol-generating rod to form a hot gas stream. In order to fix the heating tube and perform a certain heat preservation and insulation function, a supporting structure made of a non-metal material (such as PEEK material) is generally provided to support the bottom or side of the heating tube in an abutting manner. However, the heat exchange core is usually arranged at a position close to the bottom of the heating tube, so that the temperature of the bottom of the heating tube is relatively high, the deformation or melting phenomenon caused by the overhigh temperature of the supporting structure is easy to cause, and the service life is influenced. Disclosure of utility model The application provides a heating device and aerosol generating equipment, and aims to solve the problems that a supporting structure of a heating tube in the existing aerosol generating equipment is unreasonable, and the heating tube is easy to deform or melt due to high-temperature heating in the heating process, so that the service life of the heating tube is influenced. In an embodiment of the first aspect of the application, a heating device is provided, comprising a support sleeve having a first opening and a second opening opposite in a first direction, the first opening being for penetration of an aerosol-generating rod, a heating element disposed within the support sleeve and having a heating cavity for receiving the aerosol-generating rod with an open end of the heating cavity facing the first opening, and a thermally insulating support disposed within the support sleeve adjacent the second opening and connected to an end of the heating element facing the second opening. In a further embodiment of the application, the end of the heat-insulating support facing the heating element is provided with a supporting protrusion, and the supporting protrusion is connected with the heating element. In a further embodiment of the application, the support protrusion is located at a central position of the heat generating component, and the heat insulating support is located at a peripheral outer side area of the support protrusion, which has a predetermined distance from the heat generating component in the first direction. In a further embodiment of the application, the heat insulation support further comprises a support body which is of an annular structure, the supporting protrusions are located on the inner side of the support body on a projection plane perpendicular to the first direction, and a plurality of connecting plates which are arranged at intervals along the circumferential direction of the support body, one end of each connecting plate is connected with the supporting protrusions, and the other end of each connecting plate is connected with the support body. In a further embodiment of the application, the insulating support is provided with a through opening in a peripheral outer region of the support projection, the through opening penetrating the insulating support in a first direction. In a further embodiment of the application, a first assembling structure is arranged on the inner side wall of the supporting sleeve and close to the first opening, the first assembling structure protrudes towards the radial inner side of the supporting sleeve, the heating component comprises a heating tube, a heating resistor is arranged on the tube wall of the heating tube and used for heating in an electrified state, one end of the heating tube, which faces the first opening, is abutted against the first assembling structure, a heat exchange core is arranged at one end of the heating tube, which faces the second opening, at least part of the structure of the heat exchange core extends into the heating tube to form a heating cavity with the heating tube, an assembling groove is formed at one end of the heat exchange core, which faces the second opening, a plurality of vent holes penetrating along the first direction are formed on the circumferential outer side of the assembling groove, and the supporting protrusion extends into the assembling groove and is abutted against the bottom wall of the assembling groove. In a further embodiment of the application, the first assembly structure is an annular structure, a first step structure is arranged on the inner side wall of one end, facing the second opening, of the first assembly structure, one end, facing the first opening, of the heating tube stretches into the first assembly structure and is abutted against the first step structure, a plurality of ventilation grooves are formed in the end face, facing the second opening, of the first ste