EP-4740765-A1 - AEROSOL GENERATING DEVICE AND HEATING MODULE

EP4740765A1EP 4740765 A1EP4740765 A1EP 4740765A1EP-4740765-A1

Abstract

The present application relates to an aerosol generating device and a heating module. The aerosol generating device comprises a holder; and a heating module, which is detachably connected to the holder, comprises a first accommodating cavity for accommodating at least part of an aerosol generating product, and further comprises a heating assembly arranged upstream of the first accommodating cavity in an airflow direction, wherein the heating assembly comprises a perforated component; one or more air holes in fluid communication with the first accommodating cavity are formed in the perforated component; the end of each air hole adjacent to the first accommodating cavity is an air output end, and the opposite end thereof is an air input end; the heating assembly is configured to heat the air flowing through the air hole; and the air input ends of at least some of the air holes are configured to be exposed when the heating module is removed from the holder.

Inventors

ZHENG, Yongsheng
XU, Zhongli
LI, Yonghai

Assignees

Shenzhen First Union Technology Co., Ltd.

Dates

Publication Date: 20260513
Application Date: 20240808

Claims (20)

An aerosol generation device, comprising: a holder; and a heating module, removably connected to the holder, wherein the heating module comprises a first accommodating cavity for accommodating at least part of an aerosol generation article, and further comprises a heating assembly arranged upstream of the first accommodating cavity along an airflow direction, wherein: the heating assembly comprises a perforated member, wherein one or more air holes in fluid communication with the first accommodating cavity are formed in the perforated member, an end of each of the air holes adjacent to the first accommodating cavity being an air outlet end, and an opposite end thereof being an air inlet end; and the heating assembly is configured to heat air flowing through the air hole, wherein the air inlet ends of at least some of the air holes are configured to be exposed when the heating module is removed from the holder.
The aerosol generation device according to claim 1, wherein the heating module further comprises an end cap, wherein a socket allowing insertion of the aerosol generation article into the first accommodating cavity is formed in the end cap, and at least part of the end cap is exposed from the holder.
The aerosol generation device according to claim 2, wherein the end cap comprises a cap portion extending along a radial direction of the first accommodating cavity, wherein the cap portion is located on an upper end of the aerosol generation device, and at least part of the cap portion is arranged above the holder and supported by the holder.
The aerosol generation device according to claim 2, wherein: an airflow channel in fluid communication with the heating assembly is formed in the aerosol generation device; and the end cap comprises a tube portion extending along an axial direction of the first accommodating cavity, wherein the tube portion defines at least part of the socket, and a through hole in fluid communication with the socket and the airflow channel is formed on a wall of the tube portion.
The aerosol generation device according to claim 4, wherein the tube portion comprises a first portion and a second portion, wherein the first portion is arranged upstream of the second portion along an airflow direction, an inner diameter of the first portion is greater than an inner diameter of the second portion, and the through hole is formed on the first portion.
The aerosol generation device according to claim 2, wherein the heating module further comprises a connecting member, wherein the connecting member is arranged around at least part of the first accommodating cavity, and the connecting member is connected to the end cap and the heating assembly.
The aerosol generation device according to claim 6, wherein the connecting member comprises a first connecting member, wherein at least part of the first connecting member is configured to contact the aerosol generation article.
The aerosol generation device according to claim 7, wherein: the first connecting member is made of a thermally conductive material, wherein thermal conductivity of the thermally conductive material is greater than or equal to 40 W/(m•k), and preferably, the thermal conductivity of the thermally conductive material is greater than or equal to 100 W/(m•k); or the first connecting member is made of metal.
The aerosol generation device according to claim 7, wherein the connecting member comprises a second connecting member, wherein the second connecting member is connected to the first connecting member and the heating assembly.
The aerosol generation device according to claim 9, wherein the first connecting member and/or the second connecting member is connected to the end cap.
The aerosol generation device according to claim 7, wherein the first connecting member is connected to the heating assembly and the end cap.
The aerosol generation device according to claim 6, wherein the connecting member comprises a second connecting member and a third connecting member, wherein at least part of the heating assembly is arranged in the third connecting member, and the second connecting member is connected to the end cap and the third connecting member.
The aerosol generation device according to claim 12, wherein the connecting member comprises a first connecting member connected to the second connecting member, wherein the first connecting member defines at least part of a boundary of the first accommodating cavity.
The aerosol generation device according to claim 7 or 13, wherein at least part of the heating assembly is arranged outside the first connecting member.
The aerosol generation device according to claim 1, comprising a magnetic field generator for generating a variable magnetic field, wherein the heating assembly comprises a susceptor capable of generating heat in the variable magnetic field, wherein the susceptor is configured to be within magnetic field coverage of the magnetic field generator when the heating module is integrated with the holder.
The aerosol generation device according to claim 15, wherein the magnetic field generator is integrated with the holder, and a second accommodating cavity is formed inside the holder, wherein at least part of the heating module is accommodated in the second accommodating cavity, and the holder isolates the magnetic field generator from the second accommodating cavity.
The aerosol generation device according to claim 15, wherein the magnetic field generator is integrated with the heating module, and the magnetic field generator is configured to be disengaged from the holder when the heating module is removed from the holder.
The aerosol generation device according to claim 1, comprising a socket allowing insertion of the aerosol generation article into the first accommodating cavity, wherein the socket is provided on the upper end of the aerosol generation device, wherein: a second accommodating cavity is formed inside the holder, and at least part of the heating module is accommodated in the second accommodating cavity; and the holder comprises a first holder arranged below the heating module, wherein at least part of the first holder extends along a radial direction of the first accommodating cavity and defines at least part of a boundary of a bottom of the second accommodating cavity, and the heating assembly is spaced apart from the first holder.
The aerosol generation device according to claim 18, wherein the first holder seals the bottom of the second accommodating cavity.
The aerosol generation device according to claim 18, wherein the air inlet end and the first holder are spaced apart only by air.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority to Chinese Patent Application No. 202311021130.9, filed with the China National Intellectual Property Administration on August 11, 2023 and entitled "AEROSOL GENERATION DEVICE AND HEATING MODULE", which is incorporated herein by reference in its entirety. TECHNICAL FIELD Embodiments of this application relate to the field of aerosol generation technologies, and in particular, to an aerosol generation device and a heating module. BACKGROUND An aerosol generation device is a device capable of generating aerosols from aerosol articles (such as cigarettes and cigars) without combustion. The device includes a heating assembly and a power supply component that is electrically connected to the heating assembly to provide power to the heating assembly. In some aerosol generation devices, the heating assembly is configured to heat air to form hot air. Then, the hot air flows into the aerosol article to heat the aerosol article. However, existing heating assemblies for heating air are prone to clogging. SUMMARY Embodiments of this application provide an aerosol generation device and a heating module, which are convenient for cleaning or replacing the heating module with a heating assembly, and help extend the service life of the aerosol generation device and improve user experience. An embodiment of this application provides an aerosol generation device, including: a holder; anda heating module, removably connected to the holder, where the heating module includes a first accommodating cavity for accommodating at least part of an aerosol generation article, and further includes a heating assembly arranged upstream of the first accommodating cavity along an airflow direction;the heating assembly includes a perforated member, one or more air holes in fluid communication with the first accommodating cavity are formed in the perforated member, an end of each of the air holes adjacent to the first accommodating cavity is an air outlet end, an opposite end thereof is an air inlet end, and the heating assembly is configured to heat air flowing through the air hole; andthe air inlet ends of at least some of the air holes are configured to be exposed when the heating module is removed from the holder. An embodiment of this application provides an aerosol generation device, including: a holder; anda heating module, removably connected to the holder, where the heating module includes a first accommodating cavity for accommodating at least part of an aerosol generation article, and further includes a heating assembly arranged upstream of the first accommodating cavity along an airflow direction and in fluid communication with the first accommodating cavity, and an end cap, the heating assembly is configured to heat air flowing therethrough, and a socket allowing insertion of the aerosol generation article into the first accommodating cavity is formed in the end cap; andat least part of the end cap is exposed from the holder. An embodiment of this application provides a heating assembly, including a first accommodating cavity for accommodating at least part of an aerosol generation article, and further including a heating assembly arranged upstream of the first accommodating cavity along an airflow direction, where the heating assembly includes a perforated member, one or more air holes in fluid communication with the first accommodating cavity are formed in the perforated member, an end of each of the air holes adjacent to the first accommodating cavity is an air outlet end, and an opposite end thereof is an air inlet end;the heating assembly is configured to heat air flowing through the air hole; andthe air inlet ends of at least some of the air holes are exposed. According to the aerosol generation device and the heating module described above, the heating module that may accommodate at least part of the aerosol generation article includes the heating assembly capable of heating air. The heating module is removably connected to the holder, and when the heating module is removed, the air inlet ends of at least some of the air holes on the heating assembly are exposed. In this way, after the heating module is removed from the holder, the exposed air inlet ends may be cleaned to unclog the air holes. BRIEF DESCRIPTION OF THE DRAWINGS One or more embodiments are exemplarily described with reference to pictures in accompanying drawings corresponding to the embodiments, and the exemplary descriptions do not constitute a limitation on the embodiments. Elements in the accompanying drawings that have same reference numerals are represented as similar elements, and unless otherwise particularly stated, the figures in the accompanying drawings do not constitute a scale limitation. FIG. 1 is a schematic diagram of an aerosol generation device according to an embodiment of this application;FIG. 2 is a schematic diagram of a heating module according to an embodiment of