Battery cell module and aerosol generating device

Abstract

The utility model relates to the technical field of aerosol generating devices, and discloses a battery cell module and an aerosol generating device. The battery cell module comprises a shell assembly, a battery cell and a flexible circuit board, the shell assembly is provided with a first mounting cavity; the battery cell is mounted in the first mounting cavity; the first end of the flexible circuit board is electrically connected to the battery cell, the second end of the flexible circuit board extends out of the first mounting cavity, the second end of the flexible circuit board is provided with an output terminal, and the output terminal is used for being electrically connected to external equipment. Wherein the battery cell module becomes a whole, and the battery cell is wrapped by the shell assembly, so that the potential safety hazard of terminal user operation is avoided, the battery cell can be protected, and the service life of the battery cell module is prolonged. When the battery cell module is used, the output terminal at the second end of the flexible circuit board is electrically connected to the external equipment, so that the battery cell is electrically connected to the external equipment, the operation is simple, and the assembly difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of aerosol generating devices, and in particular to a battery core module and an aerosol generating device. Background Art

[0002] With the advancement of science and technology and the change of people's lifestyle, heat-not-burn aerosol generating devices are widely used. In the prior art, the connection between the battery cell and the main board in the heat-not-burn aerosol generating device is mainly wire welding, which is to weld the positive and negative terminals of the battery cell to the welding points on the main board to form an electrical connection. Once the welding is completed, the battery cell cannot be disassembled, which brings inconvenience to the end user and requires professional operating skills and equipment support. It is difficult for the end user and has great safety hazards.

[0003] Based on this, there is an urgent need for a battery cell module and an aerosol generating device to solve the above-mentioned problems. Utility Model Content

[0004] Based on the above, the purpose of the utility model is to provide a battery cell module and an aerosol generating device, wherein the battery cell module forms a whole, and the shell assembly can protect the battery cell, thereby increasing the service life of the battery cell module and reducing the difficulty of connecting the battery cell with external equipment.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, a battery cell module is provided, comprising:

[0007] A housing assembly, wherein the housing assembly is provided with a first mounting cavity;

[0008] A battery cell, wherein the battery cell is installed in the first installation cavity;

[0009] A flexible circuit board, wherein a first end of the flexible circuit board is electrically connected to the battery core, a second end of the flexible circuit board extends out of the first mounting cavity, and an output terminal is provided at the second end of the flexible circuit board, and the output terminal is used to be electrically connected to an external device.

[0010] As a preferred technical solution for a battery module, a fixing groove is provided at the end of the shell assembly, the second end of the flexible circuit board is located in the fixing groove, and the output terminal is exposed from the fixing groove.

[0011] As a preferred technical solution for a battery module, a reinforcing plate is provided on a side of the flexible circuit board away from the output terminal, and the reinforcing plate is detachably connected to the fixing groove.

[0012] As a preferred technical solution of the battery cell module, the reinforcing plate is embedded in the fixing groove, and the reinforcing plate is clamped or connected to the inner wall of the fixing groove through a fastener.

[0013] As a preferred technical solution of the battery cell module, the housing assembly includes a first housing and a second housing, and the first housing is detachably connected to the second housing.

[0014] As a preferred technical solution of the battery cell module, the output terminal is a plurality of conductive contacts; or

[0015] The output terminal is a third connector.

[0016] In a second aspect, there is provided an aerosol generating device, comprising:

[0017] A housing provided with a second installation cavity, and one end of the second installation cavity is provided with an opening;

[0018] A main board disposed in the second installation cavity;

[0019] The above-mentioned battery cell module, the battery cell module passes through the opening, and the battery cell module is slidably installed in the second installation cavity, and the output terminal of the flexible circuit board can be electrically connected to the main board.

[0020] As a preferred technical solution of the aerosol generating device, the output terminal is a conductive contact, the main board is provided with a first connector, and a conductive elastic sheet is provided on a side of the first connector close to the flexible circuit board, and the conductive elastic sheet can abut against the conductive contact to electrically connect the flexible circuit board to the main board.

[0021] As a preferred technical solution of the aerosol generating device, the output terminal is a third connector, the main board is provided with a second connector, and the third connector can be plugged into the second connector to electrically connect the flexible circuit board to the main board.

[0022] As a preferred technical solution of the aerosol generating device, the aerosol generating device further includes a base assembly, the base assembly is detachably connected to the opening, and the base assembly abuts against one end of the battery cell module close to the opening.

[0023] The beneficial effects of the present utility model are:

[0024] The present utility model provides a battery cell module and an aerosol generating device. The battery cell is installed in a first installation cavity of a housing assembly. The first end of a flexible circuit board is electrically connected to the battery cell, and the second end of the flexible circuit board extends out of the first installation cavity, making the battery cell module an integral whole. Among them, the battery cell is wrapped by the housing assembly, avoiding potential safety hazards for end-users to operate, and being able to protect the battery cell, improving the service life of the battery cell module. When using the battery cell module, the output terminal at the second end of the flexible circuit board is electrically connected to an external device, realizing the electrical connection of the battery cell to the external device, with simple operation and reduced assembly difficulty. Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the content of the embodiments of the present utility model and these drawings.

[0026] Figure 1 is an exploded view of the structure of the battery cell module provided by a specific embodiment of the present utility model;

[0027] Figure 2 is a partial structural schematic diagram of the aerosol generating device provided by a specific embodiment of the present utility model;

[0028] Figure 3 is a structural schematic diagram of the aerosol generating device provided by a specific embodiment of the present utility model;

[0029] Figure 4 is a cross-sectional view of the aerosol generating device provided by a specific embodiment of the present utility model;

[0030] Figure 5 is Figure 4 an enlarged view at A;

[0031] Figure 6 is an exploded view of the structure of the aerosol generating device provided by a specific embodiment of the present utility model.

[0032] The markings in the figures are as follows:

[0033] 1. Battery cell module; 11. Flexible circuit board; 111. Output terminal; 12. Battery cell; 13. Housing assembly; 131. First housing; 132. Second housing; 1321. Fixed groove; 14. Reinforcing plate;

[0034] 2. Housing; 21. Second installation cavity;

[0035] 3. Main board;

[0036] 4. First connector; 41. Conductive elastic piece;

[0037] 5. Second connector;

[0038] 7. Base assembly; 71. Base body; 72. Sealing ring; 73. Decorative plate. Detailed implementation manner

[0039] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the convenience of description, only the parts related to the present utility model are shown in the drawings, rather than all the structures.

[0040] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0041] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under", and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than that of the second feature.

[0042] In the description of this embodiment, the orientation or positional relationship terms such as "above", "below", "left", and "right" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and do not have special meanings.

[0043] Such as Figure 1 And Figure 2As shown, an embodiment of the present application provides a battery cell module 1, including a shell assembly 13, a battery cell 12 and a flexible circuit board 11. Specifically, the shell assembly 13 is provided with a first installation cavity; the battery cell 12 is installed in the first installation cavity; the first end of the flexible circuit board 11 is electrically connected to the battery cell 12, and the second end of the flexible circuit board 11 extends out of the first installation cavity. The second end of the flexible circuit board 11 is provided with an output terminal 111, and the output terminal 111 is used to be electrically connected to an external device. Among them, the battery cell 12 is installed in the first installation cavity of the shell assembly 13, the first end of the flexible circuit board 11 is electrically connected to the battery cell 12, and the second end of the flexible circuit board 11 extends out of the first installation cavity, so that the battery cell module 1 becomes a whole, wherein the battery cell 12 is wrapped by the shell assembly 13, avoiding safety hazards of terminal user operation, and can protect the battery cell 12, thereby improving the service life of the battery cell module 1. When the battery cell module 1 is used, the output terminal 111 at the second end of the flexible circuit board 11 is electrically connected to the external device, so that the battery cell 12 is electrically connected to the external device, which is simple to operate and reduces the difficulty of assembly.

[0044] In one embodiment of the present application, a fixing groove 1321 is provided at the end of the shell assembly 13, the second end of the flexible circuit board 11 is located in the fixing groove 1321, and the output terminal 111 is exposed in the fixing groove 1321. On the one hand, the second end of the flexible circuit board 11 is located in the fixing groove 1321, which realizes the fixed connection between the second end of the flexible circuit board 11 and the shell assembly 13, preventing the flexible circuit board 11 from shaking and deflecting; on the other hand, it is convenient for the output terminal 111 exposed in the fixing groove 1321 to be electrically connected to an external device.

[0045] Since the structural strength of the flexible circuit board 11 is not high, it is not convenient to set the output terminal 111. In order to solve the above problem, the battery module 1 also includes a reinforcing plate 14, and a reinforcing plate 14 is provided on the side of the flexible circuit board 11 away from the output terminal 111, and the reinforcing plate 14 is detachably connected to the fixing groove 1321. Among them, the side of the flexible circuit board 11 away from the output terminal 111 is bonded to the reinforcing plate 14, and the reinforcing plate 14 is detachably connected to the fixing groove 1321. The reinforcing plate 14 improves the structural strength of the second end of the flexible circuit board 11, prevents the second end of the flexible circuit board 11 from deforming, and facilitates the setting of the output terminal 111 on the flexible circuit board 11. The flexible circuit board 11 is fixed in the fixing groove 1321 through the reinforcing plate 14.

[0046] In one embodiment of the present application, the reinforcing plate 14 is embedded in the fixing groove 1321 , and the reinforcing plate 14 is snap-fitted or connected to the inner wall of the fixing groove 1321 through a fastener.

[0047] In one embodiment of the present application, the fastener is a screw. The flexible printed circuit board 11 and the reinforcing plate 14 are provided with through holes, and the inner wall of the fixing groove 1321 is provided with threaded holes. The screw passes through the through holes and is threadedly connected to the threaded holes, thereby fixing the flexible printed circuit board 11 and the reinforcing plate 14 in the fixing groove 1321.

[0048] In one embodiment of the present application, the housing assembly 13 includes a first housing 131 and a second housing 132, and the first housing 131 is detachably connected to the second housing 132. When assembling the battery cell module 1, the first housing 131 and the second housing 132 are in a separated state, which facilitates the installation of the battery cell 12 and the flexible printed circuit board 11. Then, the first housing 131 is connected to the second housing 132 to complete the assembly of the battery cell module 1. In one embodiment of the present application, the connection structure between the first housing 131 and the second housing 132 can be a snap connection or a screw connection. In one embodiment of the present application, one end of the first housing 131 is snap-connected to one end of the second housing 132, and the other end of the first housing 131 is screw-connected to the other end of the second housing 132.

[0049] In one embodiment of the present application, as Figure 1 and Figure 2 shown, the output terminal 111 is a plurality of conductive contacts; or the output terminal 111 is a third connector. Both the conductive contacts or the third connector can be electrically connected to an external device, which is simple to operate and reduces the connection difficulty compared with welding connection.

[0050] One embodiment of the present application further provides an aerosol generating device, as Figures 3 - 6 shown. The aerosol generating device includes a housing 2, a main board 3, and the above-mentioned battery cell module 1. The housing 2 is provided with a second installation cavity 21, and one end of the second installation cavity 21 is provided with an opening; the main board 3 is disposed in the second installation cavity 21; the battery cell module 1 passes through the opening, and the battery cell module 1 is slidably installed in the second installation cavity 21. The output terminal 111 of the flexible printed circuit board 11 can be electrically connected to the main board 3. Among them, the flexible printed circuit board 11 is disposed at one end of the battery cell module 1 away from the opening. During assembly, the battery cell module 1 slides through the opening of the second installation cavity 21 into the second installation cavity 21. When the battery cell module 1 slides to a preset position, the flexible printed circuit board 11 is electrically connected to the main board 3, and the battery cell module 1 supplies power to the main board 3 through the flexible printed circuit board 11 to meet the power supply requirements. When it is necessary to remove and replace the battery cell module 1, the battery cell module 1 slides in the second installation cavity 21 and disengages from the preset position, and slides out through the opening, which is simple to operate and realizes the purpose of quickly replacing the battery cell module 1.

[0051] In an embodiment of the present application, the extending direction of the fixing groove 1321 of the housing assembly 13 is perpendicular to the sliding direction of the battery cell module 1. After the second end of the flexible circuit board 11 is installed in the fixing groove 1321, it is perpendicular to the sliding direction of the battery cell module 1, facilitating the electrical connection of the output terminal 111 of the flexible circuit board 11 to the main board 3. In an embodiment of the present application, the fixing groove 1321 is provided in the second housing 132.

[0052] To prevent the battery cell module 1 from moving too far and hitting and damaging the first connector 4. In an embodiment of the present application, when the battery cell module 1 slides to a preset position, the housing assembly 13 abuts against the inner wall of the second installation cavity 21 at the end far from the opening. The inner wall of the second installation cavity 21 at the end far from the opening plays a limiting role for the battery cell module 1, improving the safety performance.

[0053] In an embodiment of the present application, the aerosol generating device further includes a base assembly 7. The base assembly 7 is detachably connected to the opening, and the base assembly 7 abuts against one end of the battery cell module 1 close to the opening. On the one hand, it realizes the sealing of the opening, and on the other hand, it realizes the fixation of the battery cell module 1 in the second installation cavity 21.

[0054] In an embodiment of the present application, the base assembly 7 includes a base body 71 and a decorative plate 73. The base body 71 is detachably connected to the inner wall of the opening. Specifically, an interference connection or a threaded connection or other connection methods can be adopted between the base body 71 and the inner wall of the opening; the decorative plate 73 is installed on the side of the base body 71 away from the battery cell module 1, playing a decorative role and improving the aesthetics.

[0055] In an embodiment of the present application, a sealing ring 72 is provided between the base body 71 and the inner wall of the opening, realizing the sealing of the second installation cavity 21.

[0056] In an embodiment of the present application, as Figure 1 、 Figures 4 - 6 shown, the output terminal 111 is a conductive contact. The main board 3 is provided with a first connector 4. A conductive elastic piece 41 is provided on the side of the first connector 4 close to the flexible circuit board 11. The conductive elastic piece 41 can abut against the conductive contact, so that the flexible circuit board 11 is electrically connected to the main board 3. Among them, the first connector 4 is located at one end of the battery cell module 1 far from the opening. When the battery cell module 1 is in the preset position, the conductive elastic piece 41 abuts against the conductive contact, so that the flexible circuit board 11 is electrically connected to the main board 3. Among them, the flexible circuit board 11 is provided with a plurality of conductive contacts, and the first connector 4 is provided with a plurality of conductive elastic pieces 41. When the battery cell module 1 is in the preset position, the conductive contacts squeeze the conductive elastic pieces 41, and the elasticity of the conductive elastic pieces 41 makes the conductive elastic pieces 41 closely fit the conductive contacts, improving the stability of the electrical connection and the working reliability.

[0057] In one embodiment of the present application, the main board 3 is provided with a second connector 5, and the second connector 5 is located at one end of the battery cell module 1 away from the opening. The output terminal 111 is a third connector. When the battery cell module 1 slides to a preset position, the third connector is plugged into the second connector 5 so that the flexible circuit board 11 is electrically connected to the main board 3. Specifically, the second connector 5 can be a male connector, and the third connector is a female connector. The female connector is plugged into the male connector along the sliding direction of the battery cell module 1, and the battery cell 12, the flexible circuit board 11, the third connector, the second connector 5, and the main board 3 are electrically connected in sequence, realizing the electrical connection of the battery cell module 1 to the main board 3.

[0058] In one embodiment of the present application, the aerosol generating device is used to heat the aerosol forming substrate. The aerosol generating device includes a mouthpiece, a liquid storage unit, a liquid transfer unit, a heating unit, a main board 3, a battery cell module 1, and a charging interface. In one embodiment of the present application, the above components are integrally formed, and the aerosol generating device is a usual integrated device. In one embodiment of the present application, the aerosol generating device includes an atomizer and a power supply component detachably connected to the atomizer. The atomizer is usually also called a cartridge, and the power supply component is usually also called a smoking rod; wherein, the main board 3, the battery cell module 1, and the charging interface are located in the power supply component, the output terminal 111 of the flexible circuit board 11 on the battery cell module 1 is electrically connected to the main board 3, and the charging interface is electrically connected to the battery cell 12; the mouthpiece, the liquid storage unit, the liquid transfer unit, and the heating element are located in the atomizer.

[0059] The mouthpiece is used for a user to inhale the heated aerosol.

[0060] The liquid storage unit is used to store the liquid aerosol forming substrate that can generate aerosol. The liquid aerosol forming substrate can be a liquid including a tobacco-containing substance containing volatile tobacco flavor components, or can also be a liquid including non-tobacco substances. For example, the liquid aerosol forming substrate can include water, a solvent, ethanol, a plant extract, a fragrance, a flavoring agent, or a vitamin mixture. The fragrance can include menthol, peppermint, spearmint oil, various fruit flavor components, etc., but is not limited thereto. The flavoring agent can include components that can provide various fragrances or flavors to the user. The vitamin mixture can be a substance mixed with at least one of vitamin A, vitamin B, vitamin C, and vitamin E, but is not limited thereto. In addition, the liquid aerosol forming substrate can include aerosol forming agents such as glycerol and propylene glycol.

[0061] The liquid transfer unit can transfer the liquid aerosol forming substrate stored in the liquid storage unit to the heating element. For example, the liquid transfer unit can be cotton fiber, ceramic fiber, glass fiber, or porous materials such as porous ceramics and porous glass, but is not limited thereto. The liquid transfer unit can be configured in a tubular shape, a plate shape, or other regular or irregular shapes.

[0062] The heating element is a component for heating the liquid aerosol-forming matrix transferred through the liquid transfer unit. For example, the heating element can be a metal wire, a metal plate, a ceramic heater, etc., but is not limited thereto. Additionally, the heating element can be composed of a conductive heating wire such as a nickel-chromium wire and can be arranged in a structure wound around the liquid transfer unit. The heating element can be heated by the supply of current and transfer heat to the liquid aerosol-forming matrix in contact with the heating element to heat the liquid aerosol-forming matrix, thereby generating an aerosol.

[0063] The main board 3 can control the overall operation of the aerosol generating device. Specifically, the main board 3 not only controls the operations of the battery cell module 1 and the heating element, but also controls the operations of other components in the aerosol generating device. In addition, the main board 3 can determine whether the aerosol generating device can operate by checking the status of the components of the aerosol generating device.

[0064] The main board 3 includes at least one control unit. The control unit can include, but is not limited to, a combination of a microcontroller and a memory for storing programs executable in the microcontroller, and the memory can be integrated in the microcontroller or independent of the microcontroller.

[0065] The battery cell module 1 provides power for operating the aerosol generating device. For example, the battery cell module 1 can provide power to heat the heating element and can provide the power required to operate the main board 3. In addition, the battery cell module 1 can provide the power required to operate sensors, motors, etc. provided in the aerosol generating device.

[0066] The battery cell 12 can be, but is not limited to, a lithium iron phosphate (LiFePO4) battery cell. For example, the battery cell 12 can be a lithium cobalt oxide (LiCoO2) battery cell or a lithium titanate battery cell. The battery cell 12 can be a rechargeable battery cell.

[0067] The charging interface outputs a certain charging voltage to the battery cell module 1 to charge the battery cell module 1 when the charging interface is electrically connected to an external power supply device, for example, when an external power adapter is inserted into the charging interface. When the charging is completed, the electrical connection between the charging interface and the external power supply device can be disconnected, that is, the external power adapter is pulled out from the charging interface.

[0068] In one embodiment of the present application, an aerosol generating device for heating rather than burning an aerosol generating article is proposed. At least one component of the aerosol generating article (such as a cigarette) volatilizes or releases to form an aerosol for inhalation.

[0069] In one embodiment of the present application, the aerosol generating article preferably employs a tobacco-containing material that releases volatile compounds from the matrix upon heating; or alternatively, it can be a non-tobacco material that is suitable for electrothermal smoking after heating. The aerosol generating article preferably employs a solid matrix, which may include one or more of powders, granules, fragments, strips, tapes, or flakes of vanilla leaves, tobacco leaves, homogenized tobacco, expanded tobacco, etc.; or the solid matrix may contain additional tobacco or non-tobacco volatile flavor compounds to be released when the matrix is heated.

[0070] In one embodiment of the present application, when the aerosol generating article is received in the aerosol generating device, a part of it is exposed outside the aerosol generating device, such as the filter tip, which is beneficial for the user to suck.

[0071] In one embodiment of the present application, the overall shape of the aerosol generating device is generally configured to be longitudinally elongated. The aerosol generating device includes a housing 2 that basically defines the outer surface of the aerosol generating device and has a proximal end and a distal end that are opposite to each other in the length direction; in use, the proximal end is the end close to the user for conveniently operating to accommodate the aerosol generating article and suck; the distal end is the end away from the user. In one embodiment of the present application, the housing 2 can be formed of a metal or alloy such as stainless steel, aluminum, etc. Other suitable materials include various plastics (e.g., polycarbonate), metal-plating over plastic, ceramics, etc.

[0072] Note that the above is only the preferred embodiment of the present utility model and the applied technical principles. Those skilled in the art will understand that the present utility model is not limited to the specific embodiments described herein. Various obvious changes, re-adjustments, and substitutions can be made by those skilled in the art without departing from the protection scope of the present utility model. Therefore, although the present utility model has been described in detail through the above embodiments, the present utility model is not limited to the above embodiments. Without departing from the concept of the present utility model, it can also include more other equivalent embodiments, and the scope of the present utility model is determined by the scope of the appended claims.

Claims

1. A battery cell module, characterized in that, Comprising: A housing assembly (13), the housing assembly (13) being provided with a first mounting cavity; An electric core (12), the electric core (12) being mounted in the first mounting cavity; A flexible printed circuit board (11), a first end of the flexible printed circuit board (11) being electrically connected to the electric core (12), a second end of the flexible printed circuit board (11) extending out of the first mounting cavity, an output terminal (111) being provided at the second end of the flexible printed circuit board (11), the output terminal (111) being used for electrically connecting to an external device.

2. The battery cell module according to claim 1, wherein, A fixing groove (1321) is provided at an end of the housing assembly (13), the second end of the flexible printed circuit board (11) is located in the fixing groove (1321), and the output terminal (111) is exposed outside the fixing groove (1321).

3. The cell module according to claim 2, wherein A reinforcing plate (14) is provided on a side of the flexible printed circuit board (11) facing away from the output terminal (111), and the reinforcing plate (14) is detachably connected to the fixing groove (1321).

4. The battery cell module according to claim 3, characterized in that, The reinforcing plate (14) is embedded in the fixing groove (1321), and the reinforcing plate (14) is snap-fitted or connected to an inner wall of the fixing groove (1321) by a fastener.

5. The battery cell module according to claim 4, characterized in that The housing assembly (13) includes a first housing (131) and a second housing (132), the first housing (131) being detachably connected to the second housing (132).

6. The battery cell module according to claim 1, characterized in that, The output terminal (111) is a plurality of conductive contacts; or The output terminal (111) is a third connector.

7. An aerosol generating device, characterized in that, Comprising: A housing (2), which is provided with a second mounting cavity (21), and an opening is provided at one end of the second mounting cavity (21); A main board (3), which is arranged in the second mounting cavity (21); The electric core module according to any one of claims 1-5, the electric core module passes through the opening, and the electric core module is slidably mounted in the second mounting cavity (21), and the output terminal (111) of the flexible printed circuit board (11) can be electrically connected to the main board (3).

8. The aerosol generating device according to claim 7, characterized in that, The output terminal (111) is a conductive contact, the main board (3) is provided with a first connector (4), and a conductive elastic sheet (41) is provided on a side of the first connector (4) close to the flexible printed circuit board (11), and the conductive elastic sheet (41) can abut against the conductive contact so that the flexible printed circuit board (11) is electrically connected to the main board (3).

9. The aerosol generating device according to claim 7, characterized in that, The output terminal (111) is a third connector, the main board (3) is provided with a second connector (5), and the third connector can be plugged into the second connector (5) so that the flexible printed circuit board (11) is electrically connected to the main board (3).

10. The aerosol generating device according to claim 7, wherein The aerosol generating device further includes a base assembly (7), the base assembly (7) is detachably connected to the opening, and the base assembly (7) abuts against one end of the electric core module close to the opening.

Images