Battery device and electric equipment

Abstract

The battery device is used for the electric equipment and comprises a first battery pack and a first air cooling assembly, the first air cooling assembly is arranged on one side of the first battery pack in the first direction, the first air cooling assembly is suitable for supporting the first battery pack, the first air cooling assembly is provided with a first air flow channel, and the first air flow channel is used for guiding air; according to the battery pack air cooling assembly, the function of the battery pack air cooling assembly is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of battery heat dissipation, in particular to a battery device and electrical equipment. Background Art

[0002] At present, battery packs are used to supply power to electrical devices and play an important role in people's daily lives. In the prior art, the air cooling component of the battery pack is only used for air cooling and heat dissipation, and the function of the air cooling component is single. Utility Model Content

[0003] The utility model aims to provide a battery device and electrical equipment to solve the problem of poor heat dissipation effect of the battery pack.

[0004] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0005] In a first aspect, the present application provides a battery device, comprising: a first battery group; a first air-cooling component, arranged on one side of a first direction of the first battery group, the first air-cooling component is suitable for supporting the first battery group, the first air-cooling component is provided with a first air flow channel, the first air flow channel is used to guide gas so that the first air-cooling component and the first battery group can exchange heat.

[0006] In one embodiment, the first air-cooling assembly includes a plurality of first air-cooling plates, and the plurality of first air-cooling plates are arranged at intervals.

[0007] In one embodiment, a plurality of the first air-cooling plates are spaced apart in the second direction and extend along the third direction, the first air-cooling plates are provided with the first air flow channels extending along the third direction, and the third direction, the first direction and the second direction all intersect.

[0008] In one embodiment, at least one of the first air-cooling plates has a plurality of first air flow channels, and the plurality of first air flow channels are arranged at intervals along the second direction.

[0009] In one embodiment, the first air cooling plate includes a first surface facing the first battery pack in the first direction, and the battery device further includes a first heat conductive sheet disposed on the first surface and in contact with the first battery pack.

[0010] In one embodiment, a first groove is formed on the first surface, and the first heat conductive sheet is received in the first groove.

[0011] In one embodiment, the first air cooling assembly is detachably connected to the first battery pack.

[0012] In one embodiment, the battery device also includes a second battery group and a second air-cooling assembly, the second battery group is arranged on the side of the first battery group facing away from the first air-cooling assembly, the second air-cooling assembly is arranged between the first battery group and the second battery group, and the second air-cooling assembly is provided with a second air flow channel, and the second air flow channel is used to guide gas so that the second air-cooling assembly can exchange heat with the first battery group and the second battery group.

[0013] In one embodiment, the second air-cooling assembly includes a plurality of second air-cooling plates, and the plurality of second air-cooling plates are arranged at intervals.

[0014] In one embodiment, the second air-cooling plate includes a second surface and a third surface opposite to each other in the first direction, the second surface faces the first battery group, and the third surface faces the second battery group. The battery device also includes a second heat conductive sheet and a third heat conductive sheet, the second heat conductive sheet is arranged on the second surface, and the third heat conductive sheet is arranged on the third surface. The second heat conductive sheet is in contact with the first battery group, and the third heat conductive sheet is in contact with the second battery group.

[0015] In one embodiment, the battery device further includes a liquid cooling assembly, which is disposed between the first battery group and the second battery group and is compatible with the second air cooling plate.

[0016] In one embodiment, the second air-cooling component includes a plurality of second air-cooling plates, which are arranged at intervals, and the liquid cooling component includes a plurality of first pipes and at least one connecting pipe, which are arranged at intervals and correspondingly arranged in the intervals between the plurality of second air-cooling plates, and two adjacent first pipes are connected by the connecting pipe.

[0017] In one embodiment, multiple second air-cooling plates and multiple first pipes are spaced apart in the second direction, the number of the first pipes is greater than or equal to 3, the connecting pipes include a second pipe and a third pipe, the first pipe located in the middle in the second direction is connected to two adjacent first pipes via the second pipe and the third pipe respectively, the second pipe and the third pipe are located at opposite ends of the first pipe along the third direction, and the second direction and the third direction both intersect with the first direction.

[0018] In one implementation, in the orthographic projection in the second direction, an angle is formed between the second pipeline and the first pipeline, and an angle is formed between the third pipeline and the first pipeline.

[0019] In one embodiment, the first pipe has a first surface and a second surface opposite to each other in the first direction, the first surface faces the first battery group, and the second surface faces the second battery group. The battery group also includes a fourth thermally conductive sheet and a fifth thermally conductive sheet, the fourth thermally conductive sheet is arranged on the first surface, the fifth thermally conductive sheet is arranged on the second surface, the fourth thermally conductive sheet is in contact with the first battery group, and the fifth thermally conductive sheet is in contact with the second battery group.

[0020] In a second aspect, the present application further provides an electrical device, comprising an electrical device and a battery device as described in the first aspect, wherein the battery device is used to supply power to the electrical device.

[0021] By setting a first battery group and a first air-cooling component, the first air-cooling component is set on one side of the first direction of the first battery group, the first air-cooling component is used to support the first battery group, and the first air-cooling component is provided with a first air flow channel, and the first air flow channel is used to guide gas so that the first air-cooling component and the first battery group can exchange heat. The first air-cooling component provides both support and heat exchange, thereby optimizing the function of the battery group air-cooling component. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 is an exploded structural diagram of a battery device according to an embodiment;

[0024] Figure 2 is a schematic structural diagram of a first air-cooling plate in an embodiment;

[0025] Figure 3 is a schematic structural diagram of a second air-cooling plate in an embodiment;

[0026] Figure 4 is a schematic structural diagram of a liquid cooling assembly of an embodiment;

[0027] Figure 5 This is a schematic diagram of the structure of an air-cooling, liquid-cooling and mixed heat dissipation embodiment;

[0028] Figure 6 is a schematic diagram of the structure of liquid cooling heat dissipation in an embodiment;

[0029] Figure 7 The present invention is a schematic structural diagram of air-cooling heat dissipation in one embodiment.

[0030] Description of reference numerals:

[0031] 10-first battery pack, 11-first air-cooling assembly, 111-first air-cooling plate, 112-first surface, 1121-first groove, 12-first air flow channel, 13-first heat conducting plate, 14-second battery pack, 15-second air-cooling assembly, 16-second air flow channel, 17-second air-cooling plate, 171-second surface, 172-third surface, 18-second heat conducting plate, 19-third heat conducting plate, 20-liquid cooling assembly, 21-first pipe, 211-first surface, 212-second surface, 22-second pipe, 23-third pipe, x-second direction, y-third direction, z-first direction. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0034] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0035] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0036] The present application embodiment provides a battery device, please refer to Figure 1 , including a first battery pack 10, a first air cooling component 11 and a first air flow channel 12.

[0037] The first battery pack 10 .

[0038] The first air cooling component 11 is arranged on one side of the first direction z of the first battery group 10. The first air cooling component 11 is used to support the first battery group 10. The first air cooling component 11 is provided with a first air flow channel 12. The first air flow channel 12 is used to guide gas so that the first air cooling component 11 and the first battery group 10 can exchange heat.

[0039] By setting the first battery group 10 and the first air cooling component 11, the first air cooling component 11 is set on one side of the first direction z of the first battery group 10, the first air cooling component 11 is used to support the first battery group 10, and the first air cooling component 11 is provided with a first air flow channel 12, the first air flow channel 12 is used to guide the gas so that the first air cooling component 11 and the first battery group 10 can exchange heat. The first air cooling component 11 provides both support and heat exchange, thereby optimizing the function of the battery group air cooling component.

[0040] In one embodiment, please refer to Figure 1 and Figure 2 The first air cooling assembly 11 includes a plurality of first air cooling plates 111 , and the plurality of first air cooling plates 111 are arranged at intervals.

[0041] Optionally, a plurality of first air-cooling plates 111 are arranged at intervals in the second direction x, and the second direction x intersects with the first direction z.

[0042] Optionally, the shape of the first air cooling plate 111 may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the first air cooling plate 111 may be, but is not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc.

[0043] Specifically, the above configuration of the first air cooling assembly 11 improves the heat dissipation effect of the battery device.

[0044] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 A plurality of first air cooling plates 111 are spaced apart in the second direction x and extend along the third direction y. The first air cooling plates 111 are provided with first air flow channels 12 extending along the third direction y. The third direction y intersects both the first direction z and the second direction x.

[0045] Optionally, the cross-section of the first airflow channel 12 may be in the shape of a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the cross-section of the first airflow channel 12 may be in the shape of a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, etc., but is not limited thereto.

[0046] Optionally, the above configuration of the first air-cooling plate 111 increases the heat dissipation function of the first air-cooling plate 111 .

[0047] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 At least one first air cooling plate 111 has a plurality of first air flow channels 12 , and the plurality of first air flow channels 12 are spaced apart along the second direction x.

[0048] Optionally, the air cooling plate is integrally formed by an aluminum plate, and the aluminum plate is formed to form a plurality of first air flow channels 12. Optionally, the plurality of first air flow channels 12 are ventilation holes opened on the air cooling plate.

[0049] Optionally, the number of the first airflow channels 12 is 2 to 5. Optionally, the number of the first airflow channels 12 may be, but is not limited to, 2, 3, 4, 5, and the like.

[0050] Optionally, the plurality of first air flow channels 12 are arranged at equal intervals along the second direction x.

[0051] Specifically, the above arrangement of the first air flow channel 12 improves the heat dissipation capacity of the first air cooling plate 111 .

[0052] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first air cooling plate 111 includes a first surface 112 facing the first battery pack 10 in a first direction z. The battery device also includes a first heat conductive sheet 13 . The first heat conductive sheet 13 is disposed on the first surface 112 and contacts the first battery pack 10 .

[0053] Optionally, at least a portion of the first surface 112 is in close contact with the first battery pack 10 .

[0054] Optionally, the shape of the first heat conducting sheet 13 may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the first heat conducting sheet 13 may be, but is not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc.

[0055] Specifically, the above configuration improves the heat dissipation capability of the battery device.

[0056] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first surface 112 defines a first groove 1121 , and the first heat conducting sheet 13 is received in the first groove 1121 .

[0057] Optionally, the cross-section of the first groove 1121 may be in a polygonal, circular, elliptical, irregular, etc. Optionally, the cross-section of the first groove 1121 may be in a quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc., but is not limited thereto.

[0058] Specifically, the above arrangement optimizes the fixing level of the first heat conducting sheet 13 .

[0059] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first air cooling assembly 11 is detachably connected to the first battery pack 10 .

[0060] Specifically, the first air-cooling assembly 11 and the first battery pack 10 are detachably connected, which facilitates the disassembly and installation of the first air-cooling assembly 11 and the first battery pack 10 , so that the first air-cooling assembly 11 can be reused.

[0061] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The battery device also includes a second battery group 14 and a second air-cooling assembly 15. The second battery group 14 is arranged on the side of the first battery group 10 facing away from the first air-cooling assembly 11. The second air-cooling assembly 15 is arranged between the first battery group 10 and the second battery group 14. The second air-cooling assembly 15 is used to support the second battery group 14. The second air-cooling assembly 15 is provided with a second air flow channel 16. The second air flow channel 16 is used to guide gas so that the second air-cooling assembly 15 exchanges heat with the first battery group 10 and the second battery group 14.

[0062] Optionally, the number of the second airflow channels 16 is plural. Optionally, the number of the second airflow channels 16 is 2 to 5. Optionally, the number of the second airflow channels 16 may be, but is not limited to, 2, 3, 4, 5, etc.

[0063] Optionally, the plurality of second air flow channels 16 are arranged at equal intervals along the second direction x.

[0064] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The second air-cooling assembly 15 includes a plurality of second air-cooling plates 17 , and the plurality of second air-cooling plates 17 are arranged at intervals in the second direction x, and the second direction x intersects with the first direction z.

[0065] Optionally, a plurality of second air-cooling plates 17 are arranged at equal intervals in the second direction x.

[0066] Optionally, the number of the second air-cooling plates 17 is 2 to 20. Optionally, the number of the second air-cooling plates 17 may be, but is not limited to, 2, 5, 10, 20, and the like.

[0067] Specifically, the above configuration improves the heat dissipation capability of the battery device.

[0068] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The second air-cooling plate 17 includes a second surface 171 and a third surface 172 opposite to each other in the first direction z, the second surface 171 faces the first battery group 10, and the third surface 172 faces the second battery group 14. The battery device also includes a second heat conductive sheet 18 and a third heat conductive sheet 19. The second heat conductive sheet 18 is arranged on the second surface 171, and the third heat conductive sheet 19 is arranged on the third surface 172. The second heat conductive sheet 18 contacts the first battery group 10, and the third heat conductive sheet 19 contacts the second battery group 14.

[0069] Optionally, the shape of the second heat conducting sheet 18 may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the second heat conducting sheet 18 may be, but is not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc.

[0070] Optionally, the shape of the third heat conducting sheet 19 may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the third heat conducting sheet 19 may be, but is not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc.

[0071] Specifically, the above configuration improves the heat dissipation capability of the battery device.

[0072] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The battery device also includes a liquid cooling assembly 20 , which is disposed between the first battery pack 10 and the second battery pack 14 and is adapted to the second air cooling plate 17 .

[0073] Optionally, the liquid cooling assembly 20 is disposed between the first battery group 10 and the second battery group 14 , and can be arranged side by side, staggered, or irregularly, as long as they do not interfere with each other.

[0074] Optionally, the plurality of second air-cooling plates 17 are detachably connected to the second battery group 14 and the first battery group 10 , and the liquid-cooling assembly 20 is detachably connected to the first battery group 10 and the second battery group 14 .

[0075] Optionally, when the battery device only uses air cooling to dissipate heat, the liquid cooling component 20 may not be installed or the coolant may not be introduced into the liquid cooling component 20. In order to ensure uniform and sufficient air cooling, the air cooling plates must be evenly laid and in full contact with the surface of the battery pack. At this time, the spacing between the air cooling plates is required to be slightly larger than the width of the pipeline of the liquid cooling component 20, and the spacing between two adjacent air cooling plates is 2 to 3 times the width of the pipeline of the liquid cooling component 20. Based on simulation and actual testing, the specific charging and discharging rate shall prevail. If the rate is high, the spacing between two adjacent air cooling plates is twice the width of the pipeline of the liquid cooling component 20. If the rate is small and the heat generation is relatively small, then the spacing between two adjacent air cooling plates is 3 times the width of the pipeline of the liquid cooling component 20.

[0076] Optionally, when the battery device only uses liquid cooling to dissipate heat, part of the first air-cooling plate 111 or the second air-cooling plate 17 can be removed. This only requires an air-cooling plate in the middle of the straight flow channel of the liquid-cooling assembly 20 to serve as a bottom plate support group. Optionally, when a single liquid-cooling assembly 20 cannot meet the heat dissipation requirements of the battery device, liquid cooling and air cooling can be used simultaneously. At this time, the air-cooling plate and the liquid-cooling assembly 20 are ensured to exist at the same time. Specifically, the battery device of the utility model can use air cooling alone, liquid cooling alone, or both air cooling and liquid cooling at the same time. In addition, the air-cooling plate and the liquid-cooling assembly 20 are easy to disassemble, and the disassembled parts can be reused. The battery device meets the charging and discharging requirements of batteries with different powers in a smaller system.

[0077] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7The second air-cooling assembly 15 includes a plurality of second air-cooling plates 17, which are arranged at intervals. The liquid-cooling assembly 20 includes a plurality of first pipes 21 and at least one connecting pipe. The plurality of first pipes 21 are arranged at intervals and correspondingly arranged in the intervals between the plurality of second air-cooling plates 17. Two adjacent first pipes 21 are connected by a connecting pipe.

[0078] Optionally, the cross-section of the first pipe 21 may be in a polygonal, circular, elliptical, irregular, etc. Optionally, the cross-section of the first pipe 21 may be in a quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc., but is not limited thereto.

[0079] Specifically, the above configuration improves the heat dissipation capability of the battery device.

[0080] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , multiple second air-cooling plates 17 and multiple first pipes 21 are arranged at intervals in the second direction x, the number of first pipes 21 is greater than or equal to 3, the connecting pipes include second pipes 22 and third pipes 23, the first pipe 21 located in the middle in the second direction x is connected to two adjacent first pipes 21 through the second pipe 22 and the third pipe 23 respectively, the second pipe 22 and the third pipe 23 are respectively located at opposite ends of the first pipe 21 along the third direction y, and the second direction x and the third direction y both intersect with the first direction z.

[0081] Optionally, the plurality of first pipes 21 , the plurality of second pipes 22 and the plurality of third pipes 23 are formed by bending an aluminum pipe.

[0082] Optionally, the cross-section of the second pipe 22 may be in the shape of a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the cross-section of the second pipe 22 may be in the shape of a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, etc., but is not limited thereto.

[0083] Optionally, the cross-section of the third pipe 23 may be in the shape of a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the cross-section of the third pipe 23 may be in the shape of a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, etc., but is not limited thereto.

[0084] Optionally, the connection method between the first pipe 21 and the second pipe 22 may be, but is not limited to, a snap connection, a riveted connection, a welding connection, and the like.

[0085] Optionally, the connection method between the third pipe 23 and the second pipe 22 may be, but is not limited to, a snap connection, a riveted connection, and a welding connection. Specifically, the connection method between the third pipe 23 and the second pipe 22 is brazing, using a metal material with a lower melting point than the third pipe 23 and the second pipe 22 as a brazing material, heating the third pipe 23, the second pipe 22, and the brazing material to a temperature higher than the melting point of the brazing material and lower than the melting points of the third pipe 23 and the second pipe 22, and using liquid brazing material to wet the third pipe 23 and the second pipe 22, filling the interface gap and achieving mutual diffusion of atoms with the third pipe 23 and the second pipe 22, thereby achieving welding, and the welding connection method is simple to operate and has a stable connection. This application uses brazing as an example of the connection method, which should not be understood as a limitation to this application.

[0086] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 In the orthographic projection on the second direction x, there is an angle between the second pipeline 22 and the first pipeline 21 , and there is an angle between the third pipeline 23 and the first pipeline 21 .

[0087] Optionally, the angle between the second pipe 22 and the first pipe 21 ranges from 30 degrees to 120 degrees. Optionally, the angle between the second pipe 22 and the first pipe 21 can be, but is not limited to, 30 degrees, 60 degrees, 120 degrees, etc.

[0088] Optionally, the angle between the third pipeline 23 and the first pipeline 21 ranges from 30 degrees to 120 degrees. Optionally, the angle between the third pipeline 23 and the first pipeline 21 can be, but is not limited to, 30 degrees, 60 degrees, 120 degrees, etc.

[0089] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 In the orthographic projection on the third direction y, the second pipe 22 and the third pipe 23 are both "U"-shaped.

[0090] Specifically, the "U"-shaped structure avoids wasting space and improves space utilization.

[0091] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first pipe 21 has a first surface 211 and a second surface 212 facing each other in a first direction z, the first surface 211 faces the first battery group 10, and the second surface 212 faces the second battery group 14. The battery group also includes a fourth thermally conductive sheet and a fifth thermally conductive sheet. The fourth thermally conductive sheet is arranged on the first surface 211, and the fifth thermally conductive sheet is arranged on the second surface 212. The fourth thermally conductive sheet is in contact with the first battery group 10, and the fifth thermally conductive sheet is in contact with the second battery group 14.

[0092] Optionally, the shape of the fourth heat conducting sheet may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the fourth heat conducting sheet may specifically be, but not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc.

[0093] Optionally, the shape of the fifth heat conductive sheet may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the fifth heat conductive sheet may be, but is not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc.

[0094] Optionally, the fourth thermally conductive sheet and the fifth thermally conductive sheet may also be made of a sticky material, and the fourth thermally conductive sheet has both a heat dissipation function and a connection and fixing function for the first battery pack 10 , and the fifth thermally conductive sheet has both a heat dissipation function and a connection and fixing function for the second battery pack 14 .

[0095] An embodiment of the present application further provides an electrical device, including an electrical device and a battery device as described above, wherein the battery device is used to supply power to the electrical device.

[0096] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship of the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0097] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. A battery device, characterized in that: include: a first battery pack; The first air-cooling component is arranged on one side of the first direction of the first battery group. The first air-cooling component is suitable for supporting the first battery group. The first air-cooling component is provided with a first air flow channel. The first air flow channel is used to guide gas so that the first air-cooling component and the first battery group can exchange heat.

2. The battery device according to claim 1, characterized in that: The first air-cooling assembly includes a plurality of first air-cooling plates, and the plurality of first air-cooling plates are arranged at intervals.

3. The battery device according to claim 2, characterized in that: The plurality of first air cooling plates are spaced apart in the second direction and extend along the third direction. The first air cooling plates are provided with the first air flow channels penetrating along the third direction. The third direction, the first direction and the second direction all intersect.

4. The battery device according to claim 3, characterized in that: At least one of the first air cooling plates has a plurality of first air flow channels, and the plurality of first air flow channels are arranged at intervals along the second direction.

5. The battery device according to any one of claims 1 to 4, characterized in that: The first air cooling plate includes a first surface facing the first battery group in the first direction. The battery device also includes a first heat conductive sheet, which is disposed on the first surface and contacts the first battery group.

6. The battery device according to claim 5, characterized in that: The first surface is provided with a first groove, and the first heat conducting sheet is received in the first groove.

7. The battery device according to claim 1, characterized in that: The first air cooling assembly is detachably connected to the first battery pack.

8. The battery device according to claim 1, characterized in that: The battery device also includes a second battery group and a second air-cooling assembly, wherein the second battery group is arranged on a side of the first battery group facing away from the first air-cooling assembly, and the second air-cooling assembly is arranged between the first battery group and the second battery group, and the second air-cooling assembly is provided with a second air flow channel, and the second air flow channel is used to guide gas so that the second air-cooling assembly can exchange heat with the first battery group and the second battery group.

9. The battery device according to claim 8, characterized in that: The second air-cooling assembly includes a plurality of second air-cooling plates, and the plurality of second air-cooling plates are arranged at intervals.

10. The battery device according to claim 9, characterized in that: The second air-cooling plate includes a second surface and a third surface opposite to each other in the first direction, the second surface faces the first battery group, and the third surface faces the second battery group. The battery device also includes a second heat conductive sheet and a third heat conductive sheet, the second heat conductive sheet is arranged on the second surface, and the third heat conductive sheet is arranged on the third surface. The second heat conductive sheet contacts the first battery group, and the third heat conductive sheet contacts the second battery group.

11. The battery device according to claim 9, characterized in that: The battery device further includes a liquid cooling assembly, which is disposed between the first battery group and the second battery group and is adapted to the second air cooling plate.

12. The battery device according to claim 11, characterized in that: The second air-cooling component includes a plurality of second air-cooling plates, which are arranged at intervals. The liquid cooling component includes a plurality of first pipes and at least one connecting pipe, which are arranged at intervals and correspondingly arranged in the intervals between the plurality of second air-cooling plates. Two adjacent first pipes are connected by the connecting pipe.

13. The battery device according to claim 12, characterized in that: Multiple second air-cooling plates and multiple first pipes are arranged at intervals in the second direction, the number of the first pipes is greater than or equal to 3, the connecting pipes include second pipes and third pipes, the first pipe located in the middle in the second direction is connected to two adjacent first pipes through the second pipe and the third pipe respectively, the second pipe and the third pipe are respectively located at opposite ends of the first pipe along the third direction, and the second direction and the third direction both intersect with the first direction.

14. The battery device according to claim 13, characterized in that: In the orthographic projection in the second direction, an angle is formed between the second pipeline and the first pipeline, and an angle is formed between the third pipeline and the first pipeline.

15. The battery device according to claim 12, characterized in that: The first pipe has a first surface and a second surface opposite to each other in the first direction, the first surface faces the first battery group, and the second surface faces the second battery group. The battery group also includes a fourth thermally conductive sheet and a fifth thermally conductive sheet, the fourth thermally conductive sheet is arranged on the first surface, the fifth thermally conductive sheet is arranged on the second surface, the fourth thermally conductive sheet is in contact with the first battery group, and the fifth thermally conductive sheet is in contact with the second battery group.

16. An electrical equipment, characterized in that: It comprises an electric device and a battery device as claimed in any one of claims 1 to 15, wherein the battery device is used to supply power to the electric device.

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