CN-122028816-A - Aerosol generating device

Abstract

An aerosol-generating device is disclosed. The aerosol-generating device comprises a body and a radiating element arranged in the body and providing an insertion space in which the aerosol-generating article is accommodated, wherein the radiating element comprises an antenna surrounding the insertion space, the antenna being configured to emit microwaves for dielectric heating of the aerosol-generating article, and a hollow dielectric portion arranged inside the antenna for supporting the antenna, the dielectric portion having an insertion space provided in the dielectric portion, and wherein the dielectric portion comprises at least one of quartz, glass, ceramic, polyimide, or polytetrafluoroethylene.

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 (14)

1. 1. An aerosol-generating device, the aerosol-generating device comprising: a body, and A radiating element arranged in the body and providing an insertion space in which the aerosol-generating article is housed, Wherein the radiation unit comprises: an antenna surrounding the insertion space, the antenna configured to emit microwaves for dielectrically heating the aerosol-generating article, and A hollow dielectric portion arranged inside the antenna to support the antenna, the dielectric portion having the insertion space provided therein, and Wherein the dielectric portion comprises at least one of quartz, glass, ceramic, polyimide, or polytetrafluoroethylene.
2. 2. An aerosol-generating device according to claim 1, wherein the material comprising the dielectric portion has a loss tangent of 0.01 or less.
3. 3. An aerosol-generating device according to claim 1, wherein, A width of the dielectric portion defined in a longitudinal direction of the insertion space is larger than a width of the antenna, and An upper end portion of the dielectric portion is disposed higher than an upper end portion of the antenna, and a lower end portion of the dielectric portion is disposed lower than a lower end portion of the antenna in a longitudinal direction of the insertion space.
4. 4. An aerosol-generating device according to claim 1, wherein the antenna is printed on or attached to an outer circumferential surface of the dielectric portion.
5. 5. An aerosol-generating device according to claim 4, wherein the antenna is wound along a groove formed on the outer circumferential surface of the dielectric portion.
6. 6. An aerosol-generating device according to claim 1, wherein the radiating element is configured such that the antenna is arranged on one surface of a single sheet of material elongated in one direction, the antenna being wound with the sheet around the outer circumferential surface of the dielectric portion.
7. 7. An aerosol-generating device according to claim 6, wherein, The sheet comprises polyimide, and The dielectric portion comprises at least one of quartz, glass, ceramic, or polytetrafluoroethylene.
8. 8. An aerosol-generating device according to claim 1, wherein, The dielectric portion has the form of a single sheet extending in one direction, and The radiating element is configured such that the antenna is arranged on one surface of the dielectric portion, the dielectric portion being rolled into a hollow shape.
9. 9. An aerosol-generating device according to claim 8, wherein the radiating element comprises at least one layer formed by the dielectric portion, the at least one layer being arranged inside and outside the antenna in a radial direction of the insertion space.
10. 10. An aerosol-generating device according to claim 1, the aerosol-generating device further comprising: A first bracket coupled to one side portion of the radiation unit corresponding to the opening of the insertion space, the first bracket having an insertion opening communicating with the insertion space, and A second bracket coupled to the other side portion of the radiation unit, the second bracket blocking at least a portion of the other side portion of the insertion space.
11. 11. An aerosol-generating device according to claim 10, wherein each of the first and second brackets comprises at least one of quartz, glass, ceramic, polyimide, or polytetrafluoroethylene.
12. 12. An aerosol-generating device according to claim 1, wherein, The radiation unit includes a shielding portion configured to prevent the microwaves from being emitted out of the radiation unit, and The shielding portion surrounds an outside of the antenna and is spaced apart from the antenna in a radial direction of the insertion space.
13. 13. An aerosol-generating device according to claim 12, wherein the shielding portion comprises a metallic material.
14. 14. An aerosol-generating device according to claim 1, wherein the antenna comprises a meander-type antenna or a helical antenna.

Description

Aerosol generating device Technical Field The present disclosure relates to aerosol-generating devices. Background An aerosol-generating device is a device that extracts certain components from a medium or substance by means of an aerosol. The medium may contain 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. In recent years, various studies have been made on aerosol-generating devices. An aerosol-generating device for heating an aerosol-generating substance by dielectric heating comprises an antenna configured to radiate microwaves. The antenna surrounding the outside of the insertion space is realized in the form of a film. In conventional aerosol-generating devices, the antenna may be damaged when a rod is inserted into or removed from the insertion space. Further, the shape of the antenna is deformed by the heat generated by the tobacco rod. Disclosure of Invention Technical problem The present disclosure aims to solve the above problems and other problems. It is another object of the present disclosure to provide an aerosol-generating device having a dielectric portion arranged inside the antenna to support the antenna, and made of a material that is heat resistant and highly permeable to microwaves. It is another object of the present disclosure to provide an aerosol-generating device configured such that the antenna is printed on or attached to the exterior of the dielectric portion. It is another object of the present disclosure to provide an aerosol-generating device configured such that the antenna is curled (curl) with the sheet material on the outer circumferential surface of the dielectric portion. It is another object of the present disclosure to provide an aerosol-generating device configured such that the antenna is curled into a hollow shape with the sheet-like dielectric portion. It is another object of the present disclosure to provide an aerosol-generating device having a carrier that is coupled to each side of the radiating element and that is made of a material that is highly permeable to microwaves. It is another object of the present disclosure to provide an aerosol-generating device having a shielding portion surrounding the outside of the antenna. Solution to the problem According to an aspect of the present disclosure for achieving the above object, an aerosol-generating device comprises a body and providing an insertion space in which an aerosol-generating article is accommodated, wherein the radiating unit comprises an antenna surrounding the insertion space, the antenna being configured to emit microwaves for dielectrically heating the aerosol-generating article, and a hollow dielectric portion arranged inside the antenna to support the antenna, the dielectric portion having an insertion space provided therein, and wherein the dielectric portion comprises at least one of quartz, glass, ceramic, polyimide, or polytetrafluoroethylene. Advantageous effects of the invention According to at least one of the embodiments of the present disclosure, a dielectric portion is provided, which is disposed inside the antenna to support the antenna, and which is made of a heat-resistant material, so that the antenna can be prevented from being damaged during insertion and removal of the aerosol-generating article, and the shape of the antenna can be prevented from being deformed by heat generated by the aerosol-generating article. According to at least one of the embodiments of the present disclosure, a dielectric part is provided, which is disposed inside the antenna to support the antenna, and which is made of a material highly permeable to microwaves, so that the amount of microwave radiation reaching the insertion space can be prevented from being reduced. According to at least one of the embodiments of the present disclosure, the antenna is printed on or attached to the outside of the dielectric part, so that the manufacturing process of the radiating element may be simplified. According to at least one of the embodiments of the present disclosure, the antenna is curled on the outer circumferential surface of the dielectric portion together with the sheet, so that the manufacturing process of the radiating element can be simplified and the size or volume of the radiating element can be reduced. According to at least one of the embodiments of the present disclosure, the antenna is curled into a hollow shape together with the sheet-shaped dielectric portion, so that a manufacturing process of the radiating element can be simplified and a size or volume of the radiating element can be reduced. According to at least one of the embodiments of the present disclosure, a bracket is provided, which is coupled to each side of the radiating unit, and which is made of a material highly permeable to microwav