KR-20260062980-A - Heat generation assembly and aerosol generating device

Abstract

In a heating assembly (100) and an aerosol generating device (1000), the heating assembly (100) comprises an outer tube (20), a first electrode (110), a second electrode (110), and a temperature measuring assembly (80). Here, the first electrode (110) and the second electrode (110) are both installed at least partially within the outer tube (20), and the first electrode (110) and the second electrode (110) are installed oppositely and spaced apart, and when power is supplied to the first electrode (110) and the second electrode (110), plasma is generated between the first electrode (110) and the second electrode (110); and the temperature measuring assembly (80) is connected to the outer tube (20) and used to detect the temperature of the outer tube (20).

Inventors

• 리환시
• 천러원
• 시엔위빈
• 저우훙밍

Assignees

• 스무어 인터내셔널 홀딩스 리미티드

Dates

Publication Date

20260507

Application Date

20240712

Priority Date

20230908

Claims (16)

1. In a heating assembly, The apparatus comprises an outer tube; a first electrode and a second electrode; and a temperature measuring assembly; The first electrode and the second electrode are both installed at least partially within the outer tube, and the first electrode and the second electrode are installed oppositely and spaced apart, and when power is supplied to the first electrode and the second electrode, plasma is generated between the first electrode and the second electrode; A heating assembly characterized by the above temperature measuring assembly being connected to the above outer tube and used to detect the temperature of the above outer tube.
2. In paragraph 1, A heating assembly characterized in that the temperature measuring assembly comprises a temperature sensing part and a conductive part connected to the temperature sensing part, and the temperature sensing part is installed in the outer tube.
3. In paragraph 2, A heating assembly characterized in that the above temperature sensing unit is installed on the outer wall or inner wall of the above outer tube.
4. In paragraph 3, A heating assembly characterized in that the temperature sensing unit includes a temperature sensing film attached to the outer tube.
5. In paragraph 4, A heating assembly characterized in that at least a portion of the temperature sensing film is installed to extend along the circumferential direction of the outer tube.
6. In paragraph 5, A heating assembly characterized in that the above temperature sensing film is formed in a closed annular shape or an annular or U-shaped shape having an opening.
7. In paragraph 4, A heating assembly characterized in that the width range of the temperature sensing film along the axial direction of the outer tube is 0.5mm to 1.2mm.
8. In paragraph 2, A heating assembly characterized in that the resistance of the temperature sensing part is greater than the resistance of the conductive part.
9. In paragraph 2, A heating assembly characterized in that the first electrode includes a discharge cross-section facing the second electrode, and the temperature sensing member is installed on one side away from the second electrode at the discharge cross-section.
10. In Paragraph 9, A heating assembly characterized in that, along the axial direction of the outer tube, the distance range from the temperature sensing part to the plane where the discharge cross-section is located is 0mm to 2mm.
11. In paragraph 2, A heating assembly characterized by the temperature coefficient of the temperature sensing film being greater than or equal to 300 ppm/℃.
12. In paragraph 2, A heating assembly characterized by including a protective layer that surrounds at least one of the temperature sensing part and the conductive part.
13. In paragraph 2, A heating assembly characterized by having two conductive parts, wherein the two conductive parts are installed spaced apart along the circumferential direction of the outer tube.
14. In paragraph 1, A heating assembly characterized in that the heating assembly comprises an inner tube in which at least a portion is installed within the outer tube, at least a portion of the first electrode is installed within the inner tube, at least a portion of the second electrode is installed at one end of the inner tube, and the first electrode and the second electrode are installed oppositely and spaced apart.
15. In paragraph 2, A heating assembly characterized in that the above temperature sensing unit includes a temperature measuring probe or a thermocouple.
16. In an aerosol generating device, An aerosol generating device characterized by including a heating assembly according to any one of claims 1 to 15.

Description

Heat generation assembly and aerosol generating device This application claims priority and rights to the patent application No. 202311160268.7, filed with the National Intellectual Property Administration of China on September 8, 2023, the entire contents of which are incorporated by reference into this invention. This application relates to the field of aerosol generating device technology, and in particular to a heating assembly and an aerosol generating device. In the relevant technology, an aerosol generating device includes an outer tube, which can come into contact with an aerosol-forming substrate, and the aerosol generating device heats the aerosol-forming substrate using a plasma heating method to enable the substrate to form an aerosol. Therefore, a method to enhance the aerosol heating effect becomes a highly significant technical challenge. The above and/or additional aspects and advantages of the present application will become clearer and more easily understood from the description of embodiments in conjunction with the drawings below, where, FIG. 1 is a schematic diagram of the structure of an aerosol generating device according to an embodiment of the present application. FIG. 2 is a schematic diagram of the structure of a heating assembly of an embodiment of the present application. Figure 3 is a schematic diagram of the cross-sectional structure along the AA direction of the heating assembly of Figure 2. FIG. 4 is a schematic diagram of the structure of a heating assembly of another embodiment of the present application. Figure 5 is a schematic diagram of the structure of the temperature measuring assembly of the heating assembly of Figure 2. Figure 6 is a schematic diagram of the structure of the temperature measuring assembly of the heating assembly of Figure 4. FIG. 7 is a schematic diagram of the structure of a temperature measuring assembly of another embodiment of the present application. Figure 8 is a schematic diagram of the enlarged structure of part B of Figure 3. FIG. 9 is a schematic diagram of the structure of a temperature measuring assembly of another embodiment of the present application. Figure 10 is a schematic diagram of the combination of the temperature measuring assembly and the base of Figure 9. FIG. 11 is a schematic diagram of a part of the structure of a heating assembly of an embodiment of the present application. FIG. 12 is a schematic cross-sectional view along the DD direction of the heating assembly of FIG. 11. FIG. 13 is a schematic diagram of the exploded structure of the heating assembly of FIG. 11 of the present application. FIG. 14 is a schematic cross-sectional view along the BB direction of the heating assembly of FIG. 11. FIG. 15 is a schematic diagram of a part of the structure of a heating assembly of an embodiment of the present application. FIG. 16 is a schematic diagram of the structure of a conductive member of an embodiment of the present application. FIG. 17 is a schematic diagram of the structure of a conductive member of another embodiment of the present application. FIG. 18 is a schematic diagram of the structure of a conductive member of another embodiment of the present application. FIG. 19 is a schematic diagram of the structure of a conductive member of another embodiment of the present application. FIG. 20 is a schematic cross-sectional view along the CC direction of the heating assembly of FIG. 18. Figure 21 is a partial enlarged schematic diagram of part D of Figure 20. FIG. 22 is a schematic diagram of the structure of a conductive member of another embodiment of the present application. FIG. 23 is a schematic cross-sectional view along the EE direction of the heating assembly of FIG. 16. FIG. 24 is a schematic diagram of the structure of a heating assembly of another embodiment of the present application. FIG. 25 is a partial schematic diagram of a heating assembly of another embodiment of the present application. FIG. 26 is a schematic cross-sectional view along the FF direction of the heating assembly of FIG. 25. FIG. 27 is a schematic diagram of a partial cross-sectional enlargement of the heating assembly of FIG. 26. Fig. 28 is a partial enlarged schematic diagram of part G of Fig. 26. FIG. 29 is a schematic diagram of the structure of a heating assembly of another embodiment of the present application. FIG. 30 is a schematic cross-sectional view along the HH direction of the heating assembly of FIG. 29. Figure 31 is a schematic diagram of the disassembled structure of the heating assembly of Figure 29. Embodiments of the present application are described in detail below. These embodiments are illustrated illustratively in the drawings, and identical or similar reference numerals consistently denote identical or similar elements or elements having identical or similar functions. The embodiments described below with reference to the drawings are illustrative and are intended only for interpreting the present application and sho