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EP-4458177-B1 - ELECTRONIC ATOMISATION DEVICE AND ATOMISER

EP4458177B1EP 4458177 B1EP4458177 B1EP 4458177B1EP-4458177-B1

Inventors

  • GONG, Boxue
  • XIA, Chang
  • ZHAO, Yueyang

Dates

Publication Date
20260506
Application Date
20211230

Claims (14)

  1. An atomizer (101), comprising: an airflow channel (43), configured to deliver an aerosol; and two atomization cores (2), provided in the airflow channel (43); wherein each of the two atomization cores (2) comprises an atomization surface (25), and the atomization surfaces (25) of the two atomization cores (2) are provided oppositely; and wherein the atomization surfaces (25) of the two atomization cores (2) are not perpendicular to the central axis (L) of the atomizer (101); characterized in that the atomizer (101) further comprises a support member (328) provided between the two atomization cores (2), wherein the two side surfaces of the support member (328) respectively hold the two atomization cores (2), and the edges of the atomization surfaces (25) of the two atomization cores (2) are respectively abutted against the two opposite side surfaces of the support member (328).
  2. The atomizer (101) of claim 1, wherein the atomization surfaces (25) of the two atomization cores (2) are inclined relative to the central axis (L) of the atomizer (101), and the distance between the atomization surfaces (25) of the two atomization cores (2) gradually decreases along the airflow direction in the airflow channel (43); and the two opposite side surfaces of the support member (328) comprise inclined surfaces (3281, 3282) respectively matched with the atomization surfaces (25) of the two atomization cores (2).
  3. The atomizer (101) of claim 2, wherein the included angle between the atomization surfaces (25) of the atomization cores (2) and the central axis (L) of the atomizer (101) is θ, wherein 0° ≤ θ≤ 20°.
  4. The atomizer (101) of claim 2, wherein the support member (328) comprises a wedge-shaped structure, and the two atomization cores (2) are respectively and fixedly connected with the two opposite side surfaces of the wedge-shaped structure.
  5. The atomizer (101) of claim 4, wherein the two opposite side surfaces of the support member (328) are respectively and fixedly connected with the edges of the atomization surfaces (25) of the two atomization cores (2).
  6. The atomizer (101) of claim 1, further comprising a mounting base (32); wherein the mounting base (32) comprises a base body (321) and the support member (328) connected with the side of the base body (321) facing toward the atomization cores (2).
  7. The atomizer (101) of claim 6, further comprising a mounting top cover (31), wherein the mounting top cover (31) is matched with the base body (321) to form a mounting cavity (33); the mounting cavity (33) is a part of the airflow channel (43); and the two atomization cores (2) and the support member (328) are provided in the mounting cavity (33), and the two atomization cores (2) are clamped between the mounting top cover (31) and the side surfaces of the support member (328).
  8. The atomizer (101) of claim 6, wherein each of the two atomization cores (2) comprises a liquid guiding substrate (27), a heating element (23) and electrodes (24); the liquid guiding substrate (27) comprises the atomization surface (25) and a liquid absorbing surface (26) opposite to the atomization surface (25), and the heating element (23) and the electrodes (24) are provided on the atomization surface (25) and connected with each other.
  9. The atomizer (101) of claim 8, wherein the liquid guiding substrate comprises a dense substrate (22); the atomization surface (25) comprises an atomization region (253) and a non-atomization region (254) surrounding the atomization region (253), the dense substrate (22) comprises a micropore array region, and the micropore array region comprises a plurality of micropores configured to guide a substance to be atomized from the liquid absorbing surface (26) to the atomization surface (25); the micropore array region of the atomization surface (25) comprises the atomization region (253) of the atomization surface (25); and the heating element (23) is provided in the atomization region (253), and the electrodes (24) are provided in the non-atomization region (254).
  10. The atomizer (101) of claim 8, further comprising electrode connectors (5), wherein one ends of the electrode connectors (5) are provided on the base body (321), and the other ends of the electrode connectors (5) are abutted against the electrodes (24).
  11. The atomizer (101) of claim 10, wherein the electrode connectors (5) comprise ejector pins (51), and the end surfaces of the ejector pins (51) abutted against the electrodes (24) comprise inclined surfaces parallel to the atomization surface (25).
  12. The atomizer (101) of claim 10, wherein the electrode connectors (5) comprise elastic pieces (52), and the parts of the elastic pieces (52) abutted against the electrodes (24) are bent into curved surfaces.
  13. The atomizer (101) of claim 1, further comprising a seal member (6,7), wherein the seal member (6,7) wraps the edges of the atomization cores (2), partial atomization surfaces (25) and partial liquid absorbing surfaces (26) of the atomization cores (2) are exposed from the seal member (6,7); and the support member (328) holds the atomization cores (2) through the seal member (6,7).
  14. An electronic atomization device (100), comprising an atomizer (101) and a power supply assembly (102), wherein the atomizer (101) is the atomizer (101) of any one of claims 1-13, and the power supply assembly (102) supplies power to the atomizer (101).

Description

TECHNICAL FIELD This application relates to the technical field of electronic atomizers, and in particular, to an electronic atomization device, an atomizer and an assembly method for an atomizer. BACKGROUND In the existing technology, an electronic atomization device is mainly composed of an atomizer and a power supply assembly. The atomizer generally includes a liquid storage cavity and an atomization assembly. The liquid storage cavity is used for storing a substance to be atomized. The atomization assembly is used for heating and atomizing the substance to be atomized, to form an aerosol for an inhaler to inhale. The power supply assembly is used for supplying power to the atomizer. In the existing atomizer, a single heating element is provided, and the generated aerosol is easily in contact with the side wall of an atomization cavity opposite to an atomization surface of an atomization core, resulting in reduced atomization efficiency and poor user experience. CN215224797U relates to an atomizer and an aerosol generation device. The atomizer includes a shell, an atomizing core, a first sealing piece, and a fixing piece. An air channel is defined in the shell, the fixing piece is arranged in the shell, and the first sealing piece is arranged in the fixing piece. The atomizing core is arranged in the first sealing piece and communicated with the air channel. A surface of the atomizing core facing the air channel is inclined relative to a central axis of the air channel. WO2021129986A1 discloses an aerosol-generator for an aerosol-generating device, and an aerosol-generating device including an aerosol-generator, the aerosol-generator including a plurality of surface acoustic wave atomizers, and a supply element. Each surface acoustic wave atomizer includes: a substrate including an active surface; and at least one transducer positioned on the active surface of the substrate for generating surface acoustic waves on the active surface of the substrate. An atomization region is defined between the substrates of the plurality of surface acoustic wave atomizers. The supply element is arranged to supply a liquid aerosol-forming substrate to the atomization region. SUMMARY The main technical problem to be solved by this application is to provide an electronic atomization device, an atomizer and an assembly method for an atomizer, which solves the problems that the atomization efficiency of a single heating element is low and the aerosol is easily in contact with the side wall of the atomization cavity opposite to the atomization surface in the existing technology. In order to resolve the above technical problem, a first technical solution adopted by this application is as follows. According to the invention defined by the independent claim 1 an atomizer is provided, which includes: an airflow channel configured to deliver an aerosol; and two atomization cores provided in the airflow channel. Each of the two atomization cores includes an atomization surface, and the atomization surfaces of the two atomization cores are provided oppositely. The atomization surfaces of the two atomization cores are not perpendicular to the central axis of the atomizer. The atomizer further includes a support member provided between the two atomization cores, and the two side surfaces of the support member respectively hold the two atomization cores. The edges of the atomization surfaces of the two atomization cores are respectively abutted against the two opposite side surfaces of the support member. In some embodiments, the atomization surfaces of the two atomization cores are inclined relative to the central axis of the atomizer, and the distance between the atomization surfaces of the two atomization cores gradually decreases along the airflow direction in the airflow channel; and the two opposite side surfaces of the support member include inclined surfaces respectively matched with the atomization surfaces of the two atomization cores. In some embodiments, the included angle between the atomization surfaces of the atomization cores and the central axis of the atomizer is θ, where 0° ≤ θ≤ 20°. In some embodiments, the support member includes of a wedge-shaped structure, and the two atomization cores are respectively and fixedly connected with the two opposite side surfaces of the wedge-shaped structure. In some embodiments, the two opposite side surfaces of the support member are respectively and fixedly connected with the edges of the atomization surfaces of the two atomization cores. In some embodiments, the atomizer further includes a mounting base. The mounting base includes a base body and the support member connected with the side of the base body facing toward the atomization cores. In some embodiments, the atomizer further includes a mounting top cover, and the mounting top cover is matched with the base body to form a mounting cavity. The mounting cavity is a part of the airflow channel. The two atomization cores and