CN220859463U

CN220859463U - Aerosol generating device and power supply assembly

Info

Publication number: CN220859463U
Application number: CN202322513987.4U
Authority: CN
Inventors: 张志良
Original assignee: Love Miracle Hong Kong Co Ltd
Current assignee: Love Miracle Hong Kong Co Ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-30
Anticipated expiration: 2033-09-15

Abstract

The application relates to the technical field of atomization devices, in particular to an aerosol generating device and a power supply assembly. The power supply assembly comprises a battery cell, a control module and a first support, wherein the control module comprises a first circuit board and a connecting electrode, the connecting electrode and a battery cell lug are respectively arranged on the first circuit board and are respectively electrically connected with the first circuit board, a through hole on the first support is assembled with the connecting electrode in an inserting way, a wire is not required to be used in the whole power supply assembly, line loss is reduced, the battery cell, the control module and the first support form a modularized structure, automatic assembly of the power supply assembly and the whole aerosol generating device is facilitated, and accordingly production efficiency of the aerosol generating device is improved.

Description

Aerosol generating device and power supply assembly

Technical Field

The application relates to the technical field of atomization devices, in particular to an aerosol generating device and a power supply assembly.

Background

The aerosol generating device, such as an electronic cigarette, mainly comprises a power supply assembly and an atomization assembly, wherein the power supply assembly comprises an electric core and a control board, and the control board controls the electric core to supply power to the atomization assembly.

Generally, the atomizing assembly and the power supply assembly are arranged in the length direction of the aerosol generating device, and the control board is positioned between the battery cell and the atomizing assembly so as to facilitate the electrical connection of the control board and the atomizing assembly. In order to realize that the electric core supplies power to the control board and the atomizing assembly, the electric core needs to be electrically connected with the control board, usually, the positive and negative lugs of the electric core are positioned at two ends of the electric core in the length direction of the aerosol generating device, and the lugs at the far end away from the control board need to be electrically connected with the control board through wires.

In the assembly process of the power supply assembly and the whole aerosol generating device, manual wiring and welding wires are needed, the assembly difficulty is improved, the assembly time is prolonged, the automatic production of the whole aerosol generating device is not facilitated, and the production efficiency is low.

Disclosure of utility model

The application provides an aerosol generating device and a power supply assembly, which are used for solving the technical problems that the production efficiency of the aerosol generating device is low and the automatic production is not facilitated.

According to an aspect of the present application, there is provided in one embodiment a power supply assembly comprising:

The battery cell is provided with a battery cell tab positioned at one end of the battery cell in the length direction, and the battery cell tab comprises a positive tab and a negative tab;

The control module comprises a first circuit board and a connecting electrode; the connecting electrode is arranged on the first circuit board and is electrically connected with the first circuit board, and the first circuit board is provided with a tab connecting hole which is inserted with the battery cell tab to realize electrical connection;

the first support, first circuit board sets up first support with between the electric core, first support have with the through-hole of connecting electrode plug-in fit.

In an alternative embodiment, the first bracket further has a limiting structure matched with the first circuit board, and the limiting structure is used for limiting the connection electrode from being separated from the through hole.

In an alternative embodiment, the first bracket has a receiving groove for receiving the first circuit board, the limiting structure includes a protrusion disposed on a groove sidewall of the receiving groove and extending toward the receiving groove, the protrusion is located on a side of the first circuit board facing the battery cell, and the protrusion abuts against the first circuit board in a length direction of the battery cell.

In an alternative embodiment, the power supply assembly further includes a second bracket fixedly connected with the first bracket, the second bracket has a supporting portion, the supporting portion is located on a side of the battery core, which is opposite to the first circuit board, in the length direction of the battery core, and the supporting portion can support the battery core in the length direction of the battery core to limit the displacement of the battery core in the length direction of the battery core.

In an alternative embodiment, one of the second bracket and the first bracket has a bayonet, and the other has a catch that cooperates with the bayonet to effect a secure connection of the first bracket to the second bracket.

In an optional embodiment, in a longitudinal direction perpendicular to the battery cell, grooves are formed in an outer side surface of the first support, which faces away from the battery cell, and an outer side surface of the second support, which faces away from the battery cell, respectively, and an extending direction of the grooves is perpendicular to the longitudinal direction of the battery cell, and the grooves are formed in a plurality of grooves and are distributed at intervals in the longitudinal direction of the battery cell.

In an alternative embodiment, the power supply assembly further includes a charging module, the charging module is located at a side of the battery core, which is opposite to the control module, in a length direction of the battery core, and the charging module is fixedly connected with the second bracket;

The charging module comprises a second circuit board and a charging connector, wherein the second circuit board is electrically connected with the first circuit board, and the charging connector is installed on the second circuit board and is electrically connected with the second circuit board.

In an alternative embodiment, the second bracket includes an axial end portion and an outer peripheral portion arranged in the length direction of the battery cell, the axial end portion being mounted to an end of the outer peripheral portion facing away from the first bracket in the length direction of the battery cell;

In the length direction of the battery cell, the axial end part is provided with a first end face facing the battery cell direction, the peripheral part is provided with a second end face facing away from the battery cell direction, and the second circuit board is fixed between the first end face and the second end face by press fitting.

In an alternative embodiment, the abutting portion is disposed on the outer peripheral portion, and the abutting portion is a protrusion perpendicular to the length direction of the electrical core and protruding toward the second circuit board, and an end surface of the protrusion toward the axial end portion in the length direction of the electrical core is the second end surface.

According to an aspect of the present application, there is provided in one embodiment an aerosol-generating device comprising a cartridge, an atomizing assembly and a power supply assembly according to any one of the preceding claims, both the atomizing assembly and the power supply assembly being mounted within the cartridge; the first support with barrel sealing fit, first support has location guide structure, location guide structure can realize atomizing subassembly with the connection electrode location is electrically connected.

According to the power supply assembly and the aerosol generating device, the power supply assembly comprises the battery cell, the control module and the first support, the connecting electrode and the battery cell electrode lug are respectively arranged on the first circuit board and are respectively electrically connected with the first circuit board, the through hole on the first support is assembled with the connecting electrode in an inserting mode, and therefore the whole power supply assembly does not need to use wires, line loss is reduced, the battery cell, the control module and the first support can conveniently form a modularized structure, automatic assembly is facilitated in the assembly process of the power supply assembly and the aerosol generating device, and production efficiency of the aerosol generating device is improved.

Drawings

FIG. 1 is a schematic view of a cylinder structure with a power supply assembly installed therein according to an embodiment;

FIG. 2 is an exploded view of a power assembly and a barrel according to an embodiment;

FIG. 3 is a schematic diagram of a power supply assembly according to an embodiment;

FIG. 4 is a front view of the power assembly and cartridge in one embodiment;

Fig. 5 is a cross-sectional view taken along A-A in fig. 4.

In the figure: 1. a cylinder; 2. a battery cell; 21. a battery cell tab; 22. a first end; 23. a second end; 31. a first circuit board; 32. connecting the electrodes; 33. a conductive ring; 4. a first bracket; 41. sinking grooves; 42. a convex portion; 421. a first side; 422. a second side; 43. an opening; 44. positioning columns; 5. an insulating support; 51. a mounting column; 6. a second bracket; 61. a holding end; 62. a connection end; 621. a cantilever arm; 622. a clamping hook; 63. an axial end; 631. an end opening; 632. a first end face; 633. a hook portion; 64. an outer peripheral portion; 641. an annular portion; 642. an arc-shaped portion; 643. a protrusion; 644. a second end face; 645. a notch; 7. a groove; 81. a second circuit board; 82. a charging connector; 91. a microphone; 92. a silica gel sleeve; 10. and (3) sealing rings.

Detailed Description

The application will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present application have not been shown or described in the specification in order to avoid obscuring the core portions of the present application, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operational steps involved in the embodiments may be sequentially exchanged or adjusted in a manner apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of describing certain embodiments and are not necessarily intended to imply a required composition and/or order.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.

The application discloses a power supply assembly, which is applied to an aerosol generating device, such as an electronic cigarette, and is used for supplying power to an atomization assembly in the aerosol generating device.

Referring to fig. 1 to 5, the power supply assembly of the present application is for being installed in a cartridge 1 of an aerosol-generating device and for sealing engagement with the cartridge 1. The power supply assembly comprises a battery cell 2, a control module and a first bracket 4, wherein the battery cell 2 is provided with a battery cell tab 21 positioned at one end of the battery cell in the length direction, and the battery cell tab 21 comprises a positive tab and a negative tab; the control module comprises a first circuit board 31 and a connecting electrode 32, wherein the connecting electrode 32 is arranged on the first circuit board 31 and is electrically connected with the first circuit board 31, and the first circuit board 31 is provided with a tab connecting hole which is inserted with the battery tab 21 to realize electric connection; the connecting electrode 32 and the battery cell tab 21 are respectively positioned at two sides of the first circuit board 31; the first support 4 is located one side of electric core 2 in the length direction of electric core 2, and first support 4 has the through-hole that closes with connecting electrode 32 insert fit, need not to use the wire in the whole power supply module like this, helps reducing the line loss, makes things convenient for electric core 2, control module and first support 4 to form modular structure, in power supply module and aerosol generating device assembly process, helps realizing automatic assembly to improve the production efficiency of whole aerosol generating device.

Specifically, in an embodiment, referring to fig. 2 and 5, the battery cell 2 includes a battery cell body, and a positive electrode tab and a negative electrode tab connected to the battery cell body, where the battery cell body is a cylinder, and the battery cell body has a first end 22 and a second end 23 along a length direction thereof, and the positive electrode tab and the negative electrode tab are both connected to the first end 22 of the battery cell body; the battery cell 2 is inserted and assembled with the electrode lug connecting hole on the first circuit board 31 through the battery cell electrode lug 21 positioned at the same end in the length direction, and the battery cell electrode lug 21 is welded with the first circuit board 31 so as to realize the fixed connection and the electric connection of the battery cell electrode lug 21 and the first circuit board 31.

The connection electrode 32 and the battery core 2 are respectively located at two sides of the first circuit board 31, the connection electrode 32 comprises a positive electrode and a negative electrode, and the connection electrode 32 is mounted on the first circuit board 31 and is electrically connected with the first circuit board 31. The connecting electrode 32 can be inserted and assembled with the first circuit board 31 and then welded with the first circuit board 31 so as to realize fixed connection and electric connection with the first circuit board 31 at the same time; the connection electrode 32 is further used for electrically connecting with an atomizing assembly in the aerosol generating device, so that the battery cell 2 is electrically connected with the atomizing assembly through the battery cell tab 21, the first circuit board 31 and the connection electrode 32 in sequence, and power supply for the atomizing assembly is realized.

Of course, in other embodiments, the battery cell body may also be a cuboid, and the positive tab and the negative tab are connected to the same end of the battery cell body in the length direction.

In an embodiment, the first bracket 4 further has a limiting structure matched with the first circuit board 31, and the limiting structure is used for limiting the connection electrode 32 from being separated from the through hole. Therefore, the relative fixation of the first bracket 4 and the first circuit board 31 can be realized, the integrated assembly of the battery cell 2, the control module and the first bracket 4 is realized, and the automatic assembly of the power supply assembly and the improvement of the production efficiency are facilitated.

Specifically, referring to fig. 2 and 5, the first bracket 4 is a cylindrical structure with one end open and one end closed, an accommodating groove for accommodating the first circuit board 31 is formed inside the cylindrical structure of the first bracket 4, and a through hole is formed on a bottom wall of the accommodating groove and is used for being inserted and combined with a connection electrode 32 mounted on the first circuit board 31; the bottom wall of the accommodating groove is also provided with a sinking groove 41, the notch direction of the sinking groove 41 is opposite to the notch direction of the accommodating groove, the quantity and the position of the sinking groove 41 are corresponding to the through holes, the conducting ring 33 is arranged in the sinking groove 41, and the conducting ring 33 is also used for being matched with the connecting electrode 32 so as to realize the electric connection of the connecting electrode 32 and the atomizing assembly.

The limit structure can be arranged on the groove side wall of the accommodating groove, and the first circuit board 31 can be in interference fit with the groove side wall of the accommodating groove on the first bracket 4 so as to limit the first circuit board 31 from being separated from the accommodating groove through interference fit, namely, limit the connecting electrode 32 from being separated from the through hole, so that the part, which is used for being in interference fit with the first circuit board 31, on the groove side wall of the accommodating groove forms the limit structure.

In an embodiment, referring to fig. 5, the limiting structure includes a protrusion 42 disposed on a side wall of the accommodating groove and extending toward the accommodating groove, the protrusion 42 is located on one side of the first circuit board 31 toward the battery core 2 in the length direction of the battery core 2, and the protrusion 42 abuts against the first circuit board 31 in the length direction of the battery core 2. An opening 43 communicated with the accommodating groove is formed in the groove side wall of the accommodating groove, and the convex part 42 is arranged on one side of the opening 43, which is opposite to the accommodating groove, so that the injection molding of the first bracket 4 is facilitated; the protruding part 42 has a first side 421 facing the bottom wall of the accommodating groove in the length direction of the battery cell 2 and a second side 422 facing away from the bottom wall of the accommodating groove, the first side 421 is perpendicular to the length direction of the battery cell 2, and an included angle between the second side 422 and the first side 421 is smaller than 90 °; during the process of loading the first circuit board 31 into the accommodating groove, the second side 422 can provide a guide for the first circuit board 31 so as to conveniently realize the installation of the first circuit board 31 in the accommodating groove, and after the first circuit board 31 is loaded into the accommodating groove, the first circuit board 31 abuts against the first side 421 of the convex part 42 in the length direction of the battery core 2 so as to limit the first circuit board 31 from falling out of the accommodating groove, namely, limit the connection electrode 32 from falling out of the through hole.

Of course, in other embodiments, the limiting structure may be formed by a hole wall surface of a through hole on the first support 4, and the diameter of the through hole is equal to or slightly smaller than the outer diameter of the connection electrode 32, so that the connection electrode 32 is in interference fit with the through hole on the first support 4 to limit the connection electrode 32 from being separated from the through hole.

In one embodiment, the power supply assembly further includes an insulating bracket 5, and the insulating bracket 5 is located between the first circuit board 31 and the battery cell 2. Referring to fig. 2 and 5, the insulating bracket 5 is generally in a ring structure, the battery lug 21 passes through the insulating bracket 5 and is assembled with the first circuit board 31 in an inserting way, the side surface of the insulating bracket 5 facing the first circuit board 31 is provided with three mounting posts 51, the mounting posts 51 are arranged at intervals, and the mounting posts 51 are matched with corresponding insertion holes on the first circuit board 31 so as to realize the relative positioning of the insulating bracket 5 and the first circuit board 31 in a plane perpendicular to the length direction of the battery; in the length direction of the battery cell, the insulating support 5 is pressed between the battery cell 2 and the first circuit board 31, and the insulating support 5 separates the shell of the battery cell 2 from the first circuit board 31, so that the short circuit between the shell of the battery cell 2 and the first circuit board 31 is avoided.

Of course, in other embodiments, the insulating support 5 may not be provided, for example, an insulating adhesive may be coated on the end face of the battery cell 2 provided with the battery cell tab 21, and insulation between the housing of the battery cell 2 and the first circuit board 31 may be ensured by the insulating adhesive; in addition, the structure of blocking the end face of the battery cell 2 through the insulating glue is also helpful to ensure the safety performance of the whole battery cell 2, for example, the explosion of the battery cell 2 or the leakage of internal substances caused by the overlarge internal pressure of the battery cell 2 can be avoided through the elastic deformation capability of the insulating glue.

In some embodiments, the power supply assembly further includes a second bracket 6, where the second bracket 6 is fixedly connected to the first bracket 4, and the second bracket 6 has a supporting portion, where the supporting portion is located on a side of the battery core 2 opposite to the first circuit board 31 in the length direction of the battery core 2, and the supporting portion can support against the battery core 2 in the length direction of the battery core 2 to limit the displacement of the battery core 2 in the length direction of the battery core 2.

Referring to fig. 2, 3 and 5, the second bracket 6 extends in the length direction of the battery cell 2, the second bracket 6 has a holding end 61 far from the first bracket 4 and a connecting end 62 close to the first bracket 4 in the length direction of the battery cell 2, the holding end 61 is integrally located on one side of the battery cell 2 opposite to the first circuit board 31 in the length direction of the battery cell 2, the holding portion is disposed at the holding end 61, the holding portion may not be limited in structure, for example, the holding portion may include a bump, a rib or other structure protruding toward the central axis of the battery cell 2, and the orthographic projection of the holding portion on the end face of the second end 23 of the battery cell 2 is located on the end face of the second end 23 of the battery cell 2, so that the holding portion can be held against the end face of the second end 23 of the battery cell 2 in the length direction of the battery cell 2 to limit the displacement of the battery cell 2 in the length direction thereof, and prevent the battery cell 2 from being separated from the first circuit board 31.

The second support 6 is fixedly connected with the first support 4 through the connection end 62, for example, the connection end 62 of the second support 6 is provided with a plurality of cantilever arms 621 extending towards the first support 4 along the length direction of the battery cell 2, and the cantilever arms 621 are arranged at intervals around the battery cell 2. One of the cantilever arms 621 and the first bracket 4 is provided with a bayonet, the other is provided with a clamping hook 622, and the bayonet and the clamping hook 622 are clamped and assembled to realize the fixed connection of the first bracket 4 and the second bracket 6, so that the assembly of the first bracket 4 and the second bracket 6 is facilitated without other parts, and the automatic assembly of a power supply assembly and the whole aerosol generating device is facilitated. Referring to fig. 2 and 5, the bayonet is disposed on the first bracket 4, the opening 43 on the side wall of the accommodating groove on the first bracket 4 forms a bayonet, the hook 622 is disposed on the second bracket 6, and the hook 622 is disposed at the free end of the cantilever 621 of the second bracket 6; in the process of assembling the first bracket 4 and the second bracket 6, the cantilever arms 621 deform in the longitudinal direction perpendicular to the battery cells 2 and back to the battery cells, so that the hooks 622 are matched with the openings 43 on the first bracket 4 from the outer side of the first bracket 4, and the fixed connection between the first bracket 4 and the second bracket 6 is realized.

Of course, in other embodiments, the bayonet may be disposed on the second bracket 6, and the hook 622 is disposed on the first bracket 4. Or in other embodiments, the second bracket 6 may also be inserted into the first bracket 4, and the second bracket 6 is in interference fit with the first bracket 4, so as to achieve a fixed connection between the first bracket 4 and the second bracket 6.

In some embodiments, please continue to refer to fig. 2, 3 and 5, the second support 6 includes an axial end 63 and an outer peripheral portion 64 arranged along the length direction of the battery cell 2, the axial end 63 is mounted on an end of the outer peripheral portion 64 facing away from the first support 4 along the length direction of the battery cell 2, the outer peripheral portion 64 includes an annular portion 641 and an arc portion 642, the annular portion 641 is connected to a side of the arc portion 642 facing away from the first support 4 along the length direction of the battery cell 2, the annular portion 641 is an annular cylindrical structure extending along the length direction of the battery cell 2, the arc portion 642 extends along the length direction of the battery cell 2, and the radial dimension of the arc portion 642 is the same as the radial dimension of the annular portion 641; the annular portion 641 has an opening toward the axial end 63, the axial end 63 is inserted into the opening of the outer peripheral portion 64 and is engaged with the notch 645 by the projecting hook 633, the projecting hook 633 may be provided on the outer peripheral surface of the axial end 63, the notch 645 is provided on the side wall of the annular portion 641; or in other embodiments, the axial end 63 may also be inserted and interference fit into the opening of the peripheral portion 64 to facilitate assembly of the second bracket 6, which may help to automate assembly. Or in other embodiments, the second bracket 6 may be an integrally formed structure, so as to facilitate the processing and manufacturing of the second bracket 6.

The annular portion 641 of the outer peripheral portion 64 is located on the side of the battery cell 2 facing away from the control module in the longitudinal direction of the battery cell 2 on the second bracket 6, the annular portion 641 and the axial end 63 of the outer peripheral portion 64 form the abutment end 61 of the entire second bracket 6, and the connection end 62 is provided on the arc-shaped portion 642 of the outer peripheral portion 64.

Of course, in other embodiments, the outer peripheral portion 64 of the second bracket 6 is integrally formed into a cylindrical structure extending in the longitudinal direction of the battery cell 2, and has one end open to be connected to the axial end 63 and the other end connected to the first bracket 4.

In some embodiments, in the longitudinal direction perpendicular to the battery cell 2, grooves 7 are disposed on the outer side surface of the first support 4 facing away from the battery cell 2 and the outer side surface of the second support 6 facing away from the battery cell 2, the extending direction of the grooves 7 is perpendicular to the longitudinal direction of the battery cell 2, the grooves 7 are plural, and the plural grooves 7 are arranged at intervals in the longitudinal direction of the battery cell 2.

Referring to fig. 2 and 3, the outer side surface of the second bracket 6 facing away from the battery core 2 includes a circumferential outer surface of the annular portion 641 and an outer side surface of the arc portion 642 facing away from the battery core 2, a central angle corresponding to the arc portion 642 is 180 °, grooves 7 are formed on the outer side surface of the arc portion 642 facing away from the battery core 2, the circumferential outer surface of the annular portion 641 and the outer side groove wall surface of the first bracket 4, the grooves 7 extend in the circumferential direction of the second bracket 6, and since the grooves 7 are arranged at intervals in the length direction of the battery core 2, the grooves 7 can form an oil-blocking structure to prevent tobacco tar in the electronic cigarette from leaking from an assembly gap between the cylinder 1 and the power supply assembly along the length direction of the battery core 2 in the cylinder 1.

Of course, in other embodiments, the grooves 7 may not be provided on both the first support 4 and the second support 6, and sealing structures, such as the sealing ring 10, may be provided between the first support 4 and the cylinder 1 or between the second support 6 and the cylinder 1 to prevent the tobacco tar from moving in the direction of the cell 2 in the cylinder 1. Or in other embodiments, the grooves 7 may be formed only on the first bracket 4 or the second bracket 6 to form the oil-blocking structure.

In some embodiments, the power supply assembly further includes a charging module, which is located on a side of the battery core 2 facing away from the control module in the length direction of the battery core 2, and the charging module is fixedly connected with the second bracket 6. The charging module comprises a second circuit board 81 and a charging connector 82, wherein the second circuit board 81 is electrically connected with the first circuit board 31, and the charging connector 82 is mounted on the second circuit board 81 and electrically connected with the second circuit board 81.

Referring to fig. 2, 4 and 5, a first circuit board 31 in the control module and a second circuit board 81 in the charging module are respectively located at two sides of the battery core 2 in the length direction of the battery core 2, the first circuit board 31 and the second circuit board 81 are arranged in parallel, and the first circuit board 31 and the second circuit board 81 are electrically connected through wires. The central axis of the battery cell 2 is not coincident with the central axis of the second bracket 6; in a plane perpendicular to the length direction of the battery core 2, the central axis of the battery core 2 is located at one side of the central axis of the second bracket 6 facing away from the arc-shaped portion 642, so that a space is reserved between the arc-shaped portion 642 of the second bracket 6 and the circumferential outer side wall of the battery core 2, and the space can be used for wires connecting the first circuit board 31 and the second circuit board 81 to pass through, so that the conductive connection of the first circuit board 31 and the second circuit board 81 is facilitated.

The charging module is fixedly connected with the second bracket 6, and may be one or two of the second circuit board 81 and the charging connector 82 are fixedly connected with the second bracket 6, and the charging connector 82 is further mounted on the second circuit board 81.

In some embodiments, referring to fig. 2 and 4, the axial end 63 of the second bracket 6 is provided with an end opening 631, the end opening 631 is used for being plugged with the charging connector 82 to form a charging interface, and a side wall of the end opening 631 can be in interference fit with the charging connector 82 or a side wall of the end opening 631 can be connected with the charging connector 82 through a buckle, so as to realize the fixed connection between the charging connector 82 and the second bracket 6.

In other embodiments, referring to fig. 2 and 5, during the assembly of the axial end portion 63 and the outer peripheral portion 64, the second circuit board 81 may be further press-fitted and fixed between the axial end portion 63 and the outer peripheral portion 64. The axial end 63 has a first end face 632 oriented in the direction of the cell 2 in the longitudinal direction of the cell 2, and the first end face 632 may be an axially outer end face of the axial end 63 for an insertion-fit engagement with the outer peripheral portion 64; the outer peripheral portion 64 has a second end face 644 facing away from the cell 2 in the longitudinal direction of the cell 2, a projection 643 projecting toward the radial direction inside is provided on the opening side wall of the annular portion 641 in the outer peripheral portion 64, and the second end face 644 is a side face of the projection 643 facing away from the cell 2 in the longitudinal direction of the cell 2; the second circuit board 81 is fixed between the first end face 632 and the second end face 644 by press-fitting, so as to realize the fixed connection between the second fixing plate and the second bracket 6, and the fixed connection is convenient to operate and is beneficial to realizing the automatic assembly of the power supply assembly.

Of course, in other embodiments, the second circuit board 81 may also be in interference fit with the opening sidewall of the outer peripheral portion 64 on the second bracket 6, so as to achieve a fixed connection between the second circuit board 81 and the second bracket 6.

In some embodiments, the protrusion 643 provided on the opening side wall of the outer peripheral portion 64 forms an abutting portion, and the protrusion 643 abuts against the battery cell 2 in the longitudinal direction of the battery cell 2. Or in other embodiments, part of the side wall of the annular portion 641 in the outer peripheral portion 64 forms an abutment for the cell 2 in the longitudinal direction of the cell 2.

The application also discloses an aerosol generating device, which comprises a cylinder body 1, an atomization component (not shown in the figure) and a power supply component in any embodiment, wherein the cylinder body 1 is of a cylindrical structure with two open ends, the atomization component and the power supply component are both arranged in the cylinder body 1 and are distributed in the length direction of the cylinder body 1, and the power supply component is in sealing fit with the cylinder body 1 through a sealing ring 10 arranged on the outer peripheral surface of a first bracket 4; the power supply assembly is electrically connected to the atomizing assembly via the connection electrode 32 to provide power to the atomizing assembly.

The first support 4 has a positioning guide structure which enables a positioning conductive connection of the atomizing assembly with the connecting electrode 32. Specifically, in one embodiment, referring to fig. 2, two sinking grooves 41 on the first support 4 are arranged at intervals in a radial direction of the first support 4, one end of the first support 4, which is arranged at the sinking groove 41, is further provided with two positioning columns 44, two positioning columns 44 are also arranged at intervals in the radial direction of the first support 4, the arrangement direction of the two positioning columns 44 is perpendicular to the arrangement direction of the two sinking grooves 41, the two positioning columns 44 protrude out of the end surface of the first support 4, and the positioning columns 44 are used for positioning and matching with the positioning grooves on the atomizing assembly so as to ensure that the connecting electrode 32 and the atomizing assembly are accurately and electrically connected; and the positioning column 44 is of a cylindrical structure, the outer peripheral surface of the positioning column 44 is an inclined surface, and the outer peripheral surface of the positioning column 44 can provide guidance for the insertion and combination of the positioning column 44 and the positioning groove, so that the positioning column 44 forms a positioning guide structure for realizing the positioning conductive connection between the connecting electrode 32 and the atomizing assembly.

In another embodiment, the structure of the positioning column 44 on the first bracket 4 can be omitted, the positioning guide structure comprises two magnetic blocks installed on the first bracket 4, and the magnetic blocks can be embedded in the first bracket 4 or can be integrally formed with the first bracket 4 in a plastic coating manner; the two magnetic blocks and the sinking grooves 41 are arranged at the same end of the first bracket 4, the two magnetic blocks are arranged at intervals in the radial direction of the first bracket 4, and the arrangement direction of the two magnetic blocks is perpendicular to the arrangement direction of the two sinking grooves 41; two magnetic blocks are also arranged on the corresponding atomizing assembly, and the two connecting electrodes 32 are positioned and electrically connected with the atomizing assembly through the magnetic attraction between the two magnetic blocks on the atomizing assembly and the two magnetic blocks on the first bracket 4.

The control module of the power supply assembly further comprises a switching element, the switching element is mounted on the first circuit board 31, and the switching element is used for controlling the connection lug to be electrically connected with the atomizing assembly. The switch element can be miaow head 91, miaow head 91 fixed mounting is provided with on first circuit board 31 on the first support 4 and dodges the groove, dodges and be provided with the air vent on the groove diapire in groove, miaow head 91 is located dodges the inslot, miaow head 91 still disposes silica gel cover 92, still be provided with the gas pocket on the silica gel cover 92, the gas pocket is just to the response diaphragm of miaow head 91 to the gas pocket still corresponds with the air vent, and the response diaphragm can receive the pressure in gas pocket and air vent intercommunication space and take place deformation like this, and then is connected the utmost point ear through first circuit board 31 control and atomizing subassembly's electricity. The silica gel cover 92 is arranged on the microphone 91, the structure of the air hole arranged on the silica gel cover 92 is beneficial to improving the sensitivity of the switch element, the microphone 91 can control the atomization assembly to work under the action of small suction force, and the use experience of a user is improved.

The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.

Claims

1. A power assembly, comprising:

2. The power supply assembly of claim 1, wherein the first bracket further has a limiting structure mated with the first circuit board, the limiting structure for limiting the connection electrode from being pulled out of the through hole.

3. The power supply assembly according to claim 2, wherein the first bracket has a receiving groove for receiving the first circuit board, and the limit structure includes a protrusion disposed on a groove side wall of the receiving groove and extending toward the inside of the receiving groove, the protrusion being located on a side of the first circuit board facing the battery cell, the protrusion abutting the first circuit board in a length direction of the battery cell.

4. A power supply assembly according to any one of claims 1 to 3, further comprising a second bracket fixedly connected to the first bracket, the second bracket having a holding portion located on a side of the battery cell facing away from the first circuit board in a longitudinal direction of the battery cell, the holding portion being capable of holding against the battery cell in the longitudinal direction of the battery cell to restrict displacement of the battery cell in the longitudinal direction of the battery cell.

5. The power assembly of claim 4, wherein one of the second bracket and the first bracket has a bayonet and the other has a catch that mates with the bayonet to effect a secure connection of the first bracket to the second bracket.

6. The power supply assembly according to claim 4, wherein grooves are formed in the outer side surface of the first support, which faces away from the battery cell, and the outer side surface of the second support, which faces away from the battery cell, in the longitudinal direction perpendicular to the battery cell, the grooves are formed in a plurality of grooves, and the grooves are arranged at intervals in the longitudinal direction of the battery cell.

7. The power supply assembly of claim 4, further comprising a charging module located on a side of the battery cell facing away from the control module in a length direction of the battery cell, the charging module being fixedly connected with the second bracket;

8. The power supply assembly according to claim 7, wherein the second bracket includes an axial end portion and an outer peripheral portion arranged in a length direction of the battery cell, the axial end portion being mounted to an end of the outer peripheral portion facing away from the first bracket in the length direction of the battery cell;

In the length direction of the battery cell, the axial end part is provided with a first end face facing the battery cell direction, the peripheral part is provided with a second end face facing away from the battery cell direction, and the second circuit board is fixed between the first end face and the second end face.

9. The power supply assembly according to claim 8, wherein the abutting portion is provided on the outer peripheral portion, the abutting portion is a protrusion that is perpendicular to a longitudinal direction of the battery cell and protrudes toward the second circuit board, and an end face of the protrusion that faces the axial end portion in the longitudinal direction of the battery cell is the second end face.

10. An aerosol-generating device comprising a cartridge, an atomizing assembly and the power supply assembly of any one of claims 1 to 9, both the atomizing assembly and the power supply assembly being mounted within the cartridge; the first support with barrel sealing fit, first support has location guide structure, location guide structure can realize atomizing subassembly with the connection electrode location is electrically connected.