CN-122028815-A - Aerosol generating device

Abstract

An aerosol-generating device is disclosed that includes a body, and a radiating portion disposed in the body and formed to provide an insertion space in which an aerosol-generating article is received. The radiation portion includes a sheet extending in a length direction, an antenna surrounding the insertion space, the antenna configured to emit microwaves for dielectrically heating the aerosol-generating article, and a shielding portion surrounding the antenna, the shielding portion configured to prevent the microwaves from being emitted to the outside of the radiation portion. The radiation portion is configured such that the antenna and the shielding portion are disposed on the sheet member so as to be spaced apart from each other in a longitudinal direction of the sheet member, and the sheet member is wound in the longitudinal direction.

Inventors

• ZHANG ZHEHAO
• JIN ZHENGHAO
• Pu Xiangzhe
• XU ZHANGYUAN
• LI YUANJING
• ZHENG ZHENZHE

Assignees

• 韩国烟草人参公社

Dates

Publication Date

20260512

Application Date

20250828

Priority Date

20240911

Claims (13)

1. 1. An aerosol-generating device comprising: A main body, and A radiating portion provided in the main body and formed to provide an insertion space in which an aerosol-generating article is accommodated, Wherein the radiation portion includes: a sheet member extending in a longitudinal direction; An antenna surrounding the insertion space, the antenna being configured to emit microwaves for dielectrically heating the aerosol-generating article, and A shielding portion surrounding the antenna, the shielding portion being configured to prevent the microwave from being emitted to the outside of the radiation portion, and Wherein the radiation portion is configured such that the antenna and the shielding portion are provided on the sheet member so as to be spaced apart from each other in a longitudinal direction of the sheet member, and the sheet member is wound in the longitudinal direction.
2. 2. An aerosol-generating device according to claim 1, wherein the shield is a metal sheet or a metal mesh.
3. 3. An aerosol-generating device according to claim 2, wherein, The metal mesh comprises at least one hole, and The diameter of the holes is less than 1/2 of the wavelength of the microwaves.
4. 4. An aerosol-generating device according to claim 1, wherein, A width of the shield defined in a width direction intersecting the length direction of the sheet is larger than or equal to a width of the antenna, and In the width direction of the sheet, an upper end of the shielding portion is disposed higher than an upper end of the antenna, and a lower end of the shielding portion is disposed lower than a lower end of the antenna.
5. 5. An aerosol-generating device according to claim 1, wherein the length of the shield defined in the length direction of the sheet is longer than the length of the antenna.
6. 6. An aerosol-generating device according to claim 1, wherein the shielding portion surrounds the outside of the antenna at least one turn in the circumferential direction of the radiating portion.
7. 7. An aerosol-generating device according to claim 1, wherein, The shielding portion is disposed outside the antenna in a radial direction of the radiation portion, and At least one layer formed by the sheet is disposed between the antenna and the shielding portion in the radial direction of the radiating portion.
8. 8. An aerosol-generating device according to claim 1, wherein, One end of the antenna is arranged to be spaced apart from one end of the sheet member by a first distance in the length direction of the sheet member, and A length of the antenna defined in the length direction of the sheet is less than or equal to the first distance.
9. 9. An aerosol-generating device according to claim 1, wherein the radiating portion comprises at least one layer formed by the sheet-like member and arranged inside the antenna in a radial direction of the radiating portion.
10. 10. An aerosol-generating device according to claim 9, wherein, The radiation portion includes a plurality of layers formed of the sheet-like member and disposed outside the shielding portion in the radial direction of the radiation portion, and The number of layers disposed outside the shield portion is greater than the number of layers disposed inside the antenna.
11. 11. An aerosol-generating device according to claim 1, the aerosol-generating device further comprising: A first bracket coupled to a side of the radiation part corresponding to the opening of the insertion space, the first bracket having an insertion opening communicating with the insertion space, and And a second bracket coupled to the other side of the radiation part, the second bracket blocking a portion of the other side of the insertion space.
12. 12. An aerosol-generating device according to claim 11, wherein at least one of the first and second brackets comprises a metal component and is in contact with the shield in the length direction of the insertion space.
13. 13. An aerosol-generating device according to claim 1, wherein the sheet comprises polyimide.

Description

Aerosol generating device Technical Field The present disclosure relates to an aerosol-generating device. Background An aerosol-generating device is a device that extracts a specific component from a medium or substance by means of an aerosol. The medium may comprise a multicomponent material. The substance contained in the medium may be a multi-component flavouring substance. For example, the substance contained in the medium may include a nicotine component, an herbal component, and/or a coffee component. Recently, various researches have been conducted on aerosol generating devices. An aerosol-generating device for heating an aerosol-generating substance by dielectric heating comprises a radiating portion configured to radiate microwaves. In order to prevent the microwaves radiated from the radiating portion from leaking to the outside of the aerosol-generating device, the aerosol-generating device may comprise a microwave shielding structure. In this case, there is a problem in that the size or volume of the aerosol-generating device increases due to the microwave shielding structure. In addition, there is a problem in that the structure of the aerosol-generating device becomes complicated due to the microwave shielding structure, so that the assembling process of the aerosol-generating device becomes complicated. Disclosure of Invention Technical problem The present disclosure aims to solve the above and other problems. Another object of the present disclosure is to provide an aerosol-generating device comprising a radiating portion formed by crimping a film antenna and a shielding portion provided on a sheet member together with the sheet member. Another object of the present disclosure is to provide an aerosol-generating device comprising a shielding around the outside of the antenna and at least one insulating layer arranged between the shielding and the antenna. It is another object of the present disclosure to provide an aerosol-generating device comprising at least one protective layer disposed inside the antenna and configured to surround the inside of the antenna. Another object of the present invention is to provide an aerosol-generating device having a structure in which a sheet member surrounds the outside of a shielding portion multiple times. Another object of the present disclosure is to provide an aerosol-generating device comprising a bracket configured to fix an upper end and a lower end of a radiation portion, respectively, and connected to a shielding portion. Solution to the problem In order to achieve the above object, according to an aspect of the present disclosure, an aerosol-generating device includes a main body, and a radiation portion provided in the main body and formed to provide an insertion space in which an aerosol-generating article is accommodated, wherein the radiation portion includes a sheet extending in a length direction, an antenna surrounding the insertion space, the antenna being configured to emit microwaves for dielectrically heating the aerosol-generating article, and a shielding portion surrounding the antenna, the shielding portion being configured to prevent the microwaves from being emitted to an outside of the radiation portion, and wherein the radiation portion is configured such that the antenna and the shielding portion are provided on the sheet spaced apart from each other in a length direction of the sheet, and the sheet is wound in the length direction. The beneficial effects of the invention are that According to at least one embodiment of the present disclosure, there is provided a radiation portion formed by curling a film antenna and a shielding portion provided on a sheet member together with the sheet member, so that the size or volume of the radiation portion can be reduced. According to at least one embodiment of the present disclosure, the shielding part surrounds the outside of the antenna, and at least one insulating layer is provided between the shielding part and the antenna, so that electrical contact between the shielding part and the antenna can be prevented and microwaves radiated from the antenna can be prevented from being emitted from the radiating part. According to at least one embodiment of the present disclosure, at least one protective layer surrounding the inside of the antenna is provided on the inside of the antenna, whereby the antenna can be prevented from being damaged during insertion and removal of the aerosol-generating article. According to at least one embodiment of the present disclosure, there is provided a structure in which a sheet member multiply surrounds the outer side of a shielding part, so that heat dissipation to the outside of a radiation part can be minimized. According to at least one embodiment of the present disclosure, a bracket configured to fix upper and lower ends of a radiating part, respectively, and to be connected to a shielding part is provided, so that rigidity of the radiating part ca