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KR-20260065622-A - Heat generation assembly and aerosol generating device

KR20260065622AKR 20260065622 AKR20260065622 AKR 20260065622AKR-20260065622-A

Abstract

As a heating assembly (100) and an aerosol generating device (1000), the heating assembly (100) comprises an inner tube (10), an outer tube (20), a first electrode (110), a second electrode (120), and a conductive member (30). The outer tube (20) is disposed in a sleeve shape on the outside of the inner tube (10); at least a portion of the first electrode (110) is disposed within the inner tube (10); at least a portion of the second electrode (120) is disposed at one end of the inner tube (10) and is spaced apart from the first electrode (110), and when power is supplied to the second electrode (120) and the first electrode (110), plasma is generated between the first electrode (110) and the second electrode (120); The conductive member (30) is configured to be connected to the second electrode (120) to be electrically connected to an external power source, and the conductive member (30) extends from one end of the inner tube (10) to the other end of the inner tube (10) along the axial direction of the inner tube (10).

Inventors

  • 리, 후안씨
  • 시안, 위빈
  • 천, 러원
  • 조우, 홍밍

Assignees

  • 스무어 인터내셔널 홀딩스 리미티드

Dates

Publication Date
20260508
Application Date
20240827
Priority Date
20230908

Claims (20)

  1. shell; An outer section disposed in the form of a sleeve on the outer side of the inner tube above; A first electrode, at least a portion thereof disposed within the inner tube; At least a portion thereof is disposed at one end of the inner tube, and a second electrode is spaced apart from the first electrode and disposed opposite to the first electrode - plasma is generated between the second electrode and the first electrode when power is supplied to the first electrode and the second electrode -; and A heating assembly characterized by comprising: a conductive member connected to the second electrode and configured to be electrically connected to an external power source; wherein the conductive member extends from one end of the inner tube to the other end of the inner tube along the axial direction of the inner tube, and a portion of the tube segment corresponding to the conductive member in the inner tube faces the outer tube.
  2. In paragraph 1, A heating assembly characterized in that a tube segment corresponding to the conductive member in the inner tube has an outer surface, and the area facing the conductive member on the outer surface is smaller than the area of the outer surface.
  3. In paragraph 1, A heating assembly characterized in that a tube segment corresponding to the conductive member in the inner tube has an outer surface, and the conductive member covers a portion of the outer surface.
  4. In paragraph 1, A heating assembly comprising an inner tube including a first tube segment and a second tube segment connected to the first tube segment, wherein at least a portion of the first electrode is inserted into the first tube segment and the second electrode is disposed at one end of the second tube segment opposite the first tube segment, wherein plasma is controlled to be generated at least within the second tube segment when power is supplied to the second electrode and the first electrode, and wherein a portion of the outer surface of the first tube segment faces the outer surface.
  5. In paragraph 4, A heating assembly characterized in that a perforation is disposed in the above-mentioned conductive member, and a portion of the first tube segment is exposed through the perforation and faces the exterior.
  6. In paragraph 5, A heating assembly characterized in that the number of perforations is multiple, and the multiple perforations are spaced apart along the circumferential direction of the inner tube.
  7. In paragraph 6, A heating assembly characterized in that the conductive member includes a first conductive portion corresponding to the first tube segment, the perforation portion includes a first perforation portion disposed in the first conductive portion, and a portion of the first tube segment is exposed through the first perforation portion and faces the exterior.
  8. In Paragraph 7, A heating assembly characterized in that the first conductive portion comprises a plurality of first conductive strips, wherein the plurality of first conductive strips extend along the axial direction of the first tube segment, the plurality of first conductive strips are spaced apart along the circumferential direction of the first tube segment, and the first perforation portion is formed between two adjacent first conductive strips.
  9. In Paragraph 7, A heating assembly characterized in that the conductive member comprises a second conductive part connected to the first conductive part, and the second conductive part covers at least a portion of the second tube segment.
  10. In Paragraph 9, A heating assembly characterized in that, in the axial direction of the inner tube, the second conductive portion overlaps with the end of the first electrode facing the second electrode.
  11. In Paragraph 10, A heating assembly characterized in that, in the axial direction of the inner tube, the dimension overlapping the second conductive portion with the end of the first electrode facing the second electrode is 0.3 mm or more.
  12. In Paragraph 7, A heating assembly characterized in that the conductive member includes a second conductive part connected to the first conductive part, the second conductive part corresponds to the second tube segment, the perforation part includes the second perforation part disposed in the second conductive part, and a portion of the second tube segment is exposed through the second perforation part and faces the exterior.
  13. In Paragraph 12, A heating assembly characterized in that the second conductive portion comprises a plurality of second conductive strips, wherein the plurality of second conductive strips extend along the axial direction of the second tube segment, the plurality of second conductive strips are spaced apart along the circumferential direction of the second tube segment, and the second perforation portion is formed between two adjacent second conductive strips.
  14. In Paragraph 12, A heating assembly characterized in that a connecting ring is formed at the connection portion of the first conductive portion and the second conductive portion, and the connecting ring covers the end of the first electrode facing the second electrode along the circumferential direction of the inner tube.
  15. In paragraph 5, A heating assembly characterized in that the perforation extends from the first tube segment to the end of the second tube segment opposite the first tube segment, and a portion of the second tube segment faces the exterior through the perforation.
  16. In any one of paragraphs 1 through 15, A heating assembly characterized in that the conductive member is at least partially tubular, and the conductive member is disposed in a sleeve shape on the outer side of the inner tube.
  17. In Paragraph 16, A heating assembly characterized in that the tubular portion of the above-mentioned conductive member is arranged in a sleeve shape on the outer side of the inner tube through a winding method.
  18. In paragraph 1, A heating assembly characterized in that the conductive member comprises a wire, the wire is wound on the inner tube to form a perforation, and a tube segment corresponding to the conductive member in the inner tube has a portion facing the outer tube through the perforation.
  19. In Paragraph 18, A heating assembly characterized in that the above-mentioned wire is wound to form a solenoid, and at least a portion of the above-mentioned solenoid has a pitch greater than 0 to form the above-mentioned perforation.
  20. In Paragraph 19, A heating assembly characterized in that, along the axial direction of the solenoid, the pitch of the middle portion of the solenoid is greater than the pitch of at least one end portion.

Description

Heat generation assembly and aerosol generating device The present application claims priority and rights to Chinese patent applications filed on September 8, 2023, with application numbers 202311164609.8 and 202322452355.1, all of which are by reference. 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 related technology, a plasma heating assembly includes an inner tube and two electrodes, at least one electrode may be mounted on the inner tube, and by supplying power to the electrodes from an external power source, a discharge occurs between the two electrodes to generate plasma and heat, thereby heating an aerosol-forming substrate. Therefore, effectively utilizing the heat released during the plasma formation process to improve the heating efficiency of the aerosol-forming substrate is a technical problem that needs to be solved. The above-described and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments described together with the drawings below. FIG. 1 is a diagram schematically showing the structure of a heating assembly according to an embodiment of the present application. Figure 2 is a cross-sectional view of the heating assembly of Figure 1 taken in the AA direction. FIG. 3 is a diagram schematically showing the disassembled structure of the heating assembly of FIG. 1 of the present application. FIG. 4 is a diagram schematically showing the structure of an aerosol generating device according to an embodiment of the present application. Figure 5 is a cross-sectional view of the heating assembly of Figure 1 taken in the BB direction. FIG. 6 is a drawing partially showing the structure of a heating assembly according to an embodiment of the present application. FIG. 7 is a diagram schematically showing the structure of a conductive member according to an embodiment of the present application. FIG. 8 is a diagram schematically showing the structure of a conductive member according to another embodiment of the present application. FIG. 9 is a diagram schematically showing the structure of a conductive member according to another embodiment of the present application. FIG. 10 is a diagram schematically showing the structure of a conductive member according to another embodiment of the present application. FIG. 11 is a cross-sectional view of the heating assembly of FIG. 9 taken in the CC direction. Figure 12 is a drawing showing a partial enlargement of section D of Figure 11. FIG. 13 is a diagram schematically showing the structure of a conductive member according to another embodiment of the present application. FIG. 14 is a cross-sectional view of the heating assembly of FIG. 7 taken in the EE direction. FIG. 15 is a diagram schematically showing the structure of a heating assembly according to another embodiment of the present application. FIG. 16 is a schematic drawing showing a part of a heating assembly according to another embodiment of the present application. FIG. 17 is a cross-sectional view of the heating assembly of FIG. 16 taken in the FF direction. FIG. 18 is a drawing showing an enlarged view of a portion of the cross-section of the heating assembly of FIG. 17. FIG. 19 is a drawing showing a partial enlargement of section G of FIG. 17. FIG. 20 is a diagram schematically showing the structure of a heating assembly according to another embodiment of the present application. FIG. 21 is a cross-sectional view of the heating assembly of FIG. 20 taken in the HH direction. FIG. 22 is a diagram schematically showing the disassembled structure of the heating assembly of FIG. 20. FIG. 23 is a diagram schematically showing the structure of a heating assembly according to another embodiment of the present application. FIG. 24 is a plan view of the heating assembly of FIG. 23. FIG. 25 is a cross-sectional view of the heating assembly of FIG. 24 taken in the direction II. FIG. 26 is a diagram schematically showing the structure of the exterior according to one embodiment of the present application. FIG. 27 is a cross-sectional view of the exterior of FIG. 26 taken in the KK direction. FIG. 28 is a cross-sectional view of the exterior according to another embodiment of the present application. FIG. 29 is a schematic drawing showing the structure of an exterior according to another embodiment of the present application. FIG. 30 is a drawing showing the appearance of FIG. 29 from a different viewing angle. FIG. 31 is a diagram schematically showing the structure of a heating assembly according to an embodiment of the present application. FIG. 32 is a cross-sectional view of the heating assembly of FIG. 31 taken in the MM direction. FIG. 33 is a schematic diagram showing the structure of a heating assembly including the exterior of FIG. 28. FIG. 34 is a cross-sectional view of the heating assembly of F