Battery pack and vehicle

Abstract

The application discloses a battery pack and a vehicle, and belongs to the technical field of batteries. The battery pack comprises a box body, a support, a circuit board and a cover plate. The box body has an inner surface and a mounting surface which are away from each other. The box body further has a containing cavity and a mounting hole. The containing cavity is formed by surrounding the inner surface. The mounting hole penetrates the inner surface and the mounting surface and is in communication with the containing cavity. The support is detachably connected to the mounting surface and penetrates the mounting hole. The circuit board is connected to the support and arranged in the mounting hole. The cover plate is arranged outside the containing cavity and detachably connected to the box body. The mounting hole is sealed by the cover plate. The mounting hole is in communication with the containing cavity. The support and the circuit board are arranged in the mounting hole. When detection or maintenance is needed, the circuit board can be exposed or taken out by only opening the cover plate, so that the detection and maintenance difficulty of the circuit board is reduced. Meanwhile, the support can reduce the shielding of the circuit board by other components, so that the detection and maintenance difficulty of the circuit board is reduced.

Description

Technical Field

[0001] This application relates to the field of battery technology, and more particularly to a battery pack and a vehicle. Background Technology

[0002] The battery pack contains multiple individual batteries and various circuit boards. The circuit boards in the battery pack have different functions and work together to ensure the safe and stable operation of the battery pack.

[0003] However, when the circuit board is installed inside the battery pack housing, inspection or repair / replacement requires opening the entire housing, which is quite difficult. Utility Model Content

[0004] This application provides a battery pack that reduces the difficulty of inspecting or replacing circuit boards, thereby at least partially solving the above-mentioned technical problems; in addition, this application also provides a vehicle.

[0005] To achieve the above objectives, according to a first aspect of this application, a battery pack is provided, comprising:

[0006] The housing has an inner surface and a mounting surface that are opposite to each other. The housing also has a receiving cavity and a mounting hole. The inner surface surrounds the receiving cavity, and the mounting hole penetrates the inner surface and the mounting surface, and communicates with the receiving cavity.

[0007] A bracket, which is detachably connected to the mounting surface and passes through a mounting hole;

[0008] A circuit board, which is connected to the bracket and disposed in the mounting hole;

[0009] A cover plate is disposed outside the receiving cavity and is detachably connected to the housing body, and the cover plate covers the mounting hole.

[0010] In some embodiments, the circuit board is connected to the side of the bracket facing the cover plate.

[0011] In some embodiments, the battery pack further includes an insulating element disposed between the circuit board and the bracket, and connecting the circuit board and the bracket respectively.

[0012] In some embodiments, the support includes:

[0013] The connecting part is connected to the mounting surface;

[0014] The mounting part passes through the mounting hole and is connected to the mounting part. The mounting part has a mounting space on the side facing the cover plate. The circuit board is disposed in the mounting space and connected to the mounting part. The mounting space communicates with the receiving cavity.

[0015] In some embodiments, a portion of the mounting portion is disposed within the receiving cavity.

[0016] In some embodiments, the mounting portion includes:

[0017] At least two support sub-parts are provided at intervals, the support sub-parts are connected to the side of the connecting part facing the receiving cavity, and a portion of the support sub-parts is disposed in the receiving cavity;

[0018] The mounting sub-part is disposed in the receiving cavity and is connected to the side of the plurality of support sub-parts opposite to the connecting part;

[0019] The circuit board is disposed between at least two of the support sub-parts and connected to the side of the mounting sub-part facing the cover plate.

[0020] In some embodiments, the housing includes:

[0021] A first wall, the first wall having the inner surface;

[0022] The second wall is spaced apart from the first wall and is located on the side of the first wall opposite to the inner surface. The second wall has the mounting surface.

[0023] Multiple first connecting portions are disposed between the first wall and the second wall and respectively connect the first wall and the second wall; the multiple first connecting portions are spaced apart.

[0024] The third wall is disposed on the side of the second wall away from the first wall, and the third wall is spaced apart from the second wall;

[0025] A plurality of second connecting portions are disposed between the second wall and the third wall and respectively connect the second wall and the third wall; the plurality of second connecting portions are spaced apart.

[0026] The mounting holes penetrate the first wall, the second wall, and the third wall, respectively.

[0027] In some embodiments, the first wall has a first hole wall, the second wall has a second hole wall, and the third wall has a third hole wall. The first hole wall, the second hole wall, and the third hole wall form the mounting hole, and the orthographic projection of the third hole wall on the mounting surface surrounds the orthographic projection of the bracket on the plane where the mounting surface is located.

[0028] In some embodiments, the first wall has a first hole wall, the second wall has a second hole wall, and the third wall has a third hole wall, the first hole wall, the second hole wall and the third hole wall forming the mounting hole; the orthographic projection of the first hole wall on the mounting surface surrounds the orthographic projection of the second hole wall on the plane where the mounting surface is located, and the first hole wall is spaced apart from the bracket.

[0029] According to a second aspect of this application, a vehicle is provided, including a battery pack as described in any of the above embodiments.

[0030] The levitation motor in this embodiment includes a housing, a bracket, a circuit board, and a cover. The housing has an inner surface and a mounting surface that are opposite to each other. The housing also has a receiving cavity and a mounting hole. The inner surface surrounds the receiving cavity, and the mounting hole penetrates the inner surface and the mounting surface, communicating with the receiving cavity. The bracket is detachably connected to the mounting surface and passes through the mounting hole. The circuit board is connected to the bracket and is disposed in the mounting hole. The cover is disposed outside the receiving cavity and is detachably connected to the housing, sealing the mounting hole. This battery pack, by providing a mounting hole communicating with the receiving cavity and a cover, can seal the mounting hole. The bracket and circuit board are located within the mounting hole, allowing the circuit board to be exposed or removed simply by opening the cover when inspection or maintenance is needed, without disassembling the housing, thus reducing the difficulty of circuit board inspection and maintenance. Simultaneously, the bracket reduces the obstruction of the circuit board by other components inside the housing, such as cables, further reducing the difficulty of circuit board inspection and maintenance.

[0031] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0034] Figure 1This is a schematic diagram of the structure of the battery pack provided in an exemplary embodiment of this disclosure;

[0035] Figure 2 yes Figure 1 Detailed view of point A in the middle circle;

[0036] Figure 3 yes Figure 1 Sectional view at point BB;

[0037] Figure 4 yes Figure 3 Detailed view of section E in the middle frame;

[0038] Figure 5 yes Figure 1 Sectional view at CC;

[0039] Figure 6 yes Figure 5 Detailed view of section F in the middle frame;

[0040] Figure 7 This is a side view of the battery pack with the concealed portion of the casing and cover provided in an exemplary embodiment of this disclosure;

[0041] Figure 8 yes Figure 1 Sectional view at point DD;

[0042] Figure 9 This is a schematic diagram of the structure of the bracket in the battery pack provided in an exemplary embodiment of this disclosure.

[0043] Explanation of reference numerals in the attached figures:

[0044] 100 - Housing; 110 - Receiving cavity; 120 - Mounting hole; 130 - First wall; 131 - Inner surface; 132 - First hole wall; 140 - Second wall; 141 - Mounting surface; 142 - Second hole wall; 150 - Third wall; 151 - Third hole wall; 160 - First connecting part; 170 - Second connecting part; 200 - Bracket; 210 - Connecting part; 220 - Mounting part; 221 - Mounting space; 222 - Support sub-part; 224 - Mounting sub-part; 300 - Circuit board; 400 - Cover plate; 500 - Insulating component; 600 - First connecting component; 700 - Second connecting component; 800 - Third connecting component; 900 - Sealing component. Detailed Implementation

[0045] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0046] The battery pack contains multiple individual batteries and various circuit boards 300. The circuit boards 300 in the battery pack have different functions and work together to ensure the safe and stable operation of the battery pack.

[0047] However, when the circuit board 300 is installed inside the battery pack housing 100, inspection or repair / replacement requires opening the entire housing 100, which is quite difficult to do.

[0048] Meanwhile, in order to accommodate multiple individual batteries during assembly, the opening area of ​​the housing cavity 110 of the casing 100 is relatively large, which also makes sealing the opening more difficult.

[0049] To address the technical challenge of inspecting, repairing, or replacing circuit board 300, the first embodiment of this application provides a battery pack. (See attached image.) Figure 1 and Figure 2 The battery pack includes a housing 100, a bracket 200, a circuit board 300, and a cover plate 400. The housing 100 has an inner surface 131 and a mounting surface 141 that are opposite to each other. The housing 100 also has a receiving cavity 110 and a mounting hole 120. The inner surface 131 surrounds the receiving cavity 110, and the mounting hole 120 penetrates the inner surface 131 and the mounting surface 141, communicating with the receiving cavity 110. The bracket 200 is detachably connected to the mounting surface 141 and passes through the mounting hole 120. The circuit board 300 is connected to the bracket 200 and is disposed in the mounting hole 120. The cover plate 400 is disposed outside the receiving cavity 110 and is detachably connected to the housing 100, and the cover plate 400 covers the mounting hole 120.

[0050] In some embodiments, the circuit board 300 is a BMU module circuit board 300 independent of the BDU module, wherein the BDU module is the battery disconnect unit module and the BMU module is the battery management unit module.

[0051] In some embodiments, the bracket 200 and the housing 100 are detachably connected by a threaded connection; in some embodiments, the bracket 200 and the housing 100 are detachably connected by a quick-release structure; in some embodiments, the bracket 200 and the housing 100 are detachably connected by a snap-fit.

[0052] In some embodiments, please refer to Figure 2 The battery pack also includes a seal 900, which is disposed between the cover plate 400 and the housing 100 and seals the cover plate 400 and the housing 100 respectively.

[0053] In some embodiments, please refer to Figure 2The battery pack also includes a third connector 800, which passes through both the cover plate 400 and the housing 100 to detachably connect the cover plate 400 and the housing 100. In some embodiments, the seal 900 is a gasket, and the third connector 800 passes through the cover plate 400, the gasket, and the housing 100 in sequence to seal the cover plate 400, the gasket, and the housing 100. In some embodiments, the third connector 800 is a bolt, and the third connector 800 is at least threadedly connected to the housing 100.

[0054] In some embodiments, the sealant 900 is a sealant.

[0055] In some embodiments, the circuit board 300 is detachably connected to the bracket 200 to facilitate further inspection, repair or replacement of the circuit board 300; in some embodiments, the battery pack further includes a first connector 600, which is sequentially disposed through the circuit board 300 and the bracket 200 to detachably connect the circuit board 300 and the bracket 200; in some embodiments, the first connector 600 is a bolt, and the first connector 600 is at least threadedly connected to the bracket 200.

[0056] In some embodiments, the battery pack further includes a second connector 700, which is sequentially disposed through the bracket 200 and the housing 100 to connect the bracket 200 and the housing 100 respectively; in some embodiments, the second connector 700 is a bolt, and the second connector 700 is at least threadedly connected to the housing 100.

[0057] Firstly, in the above embodiments, by providing a mounting hole 120 communicating with the receiving cavity 110 and a cover plate 400 for sealing the mounting hole 120, the circuit board 300 can be exposed or removed through the mounting hole 120 when inspection or maintenance is required without disassembling the housing 100. The difficulty of disassembling the cover plate 400, which has a smaller mass and volume, is reduced compared to disassembling the housing 100.

[0058] Secondly, in the above embodiments, since the mounting hole 120 is only for the bracket 200 and the circuit board 300 to enter and exit the receiving cavity 110, the size of the mounting hole 120 can be set to be smaller. When the cover plate 400 is installed, the sealing area is smaller, the sealing ring used is smaller, or the amount of sealant used is less, which makes the sealing connection easier and the sealing reliability better. That is, after the circuit board 300 is inspected or repaired and replaced, the battery pack can still have better sealing reliability by disassembling and assembling the cover plate 400 compared to disassembling and assembling the housing 100.

[0059] Thirdly, in the above embodiments, by setting a bracket 200 to connect the housing 100 and the circuit board 300 so that the circuit board 300 and the bracket 200 can form a component, when the circuit board 300 is taken out of or put into the housing 100, it is only necessary to take out or put into the component, which reduces the difficulty of taking out and installing the circuit board 300.

[0060] Fourthly, in the above embodiments, connecting the bracket 200 to the mounting surface 141 opposite to the inner surface 131 facilitates the removal and installation of the bracket 200, thereby facilitating the removal and installation of the circuit board 300 connected to the bracket 200 and reducing the operational difficulty when inspecting or repairing the circuit board 300.

[0061] Fifthly, in the above embodiments, the bracket 200 can reduce the possibility that other components inside the housing 100, such as cables, may move between the circuit board 300 and the cover plate 400 and block the circuit board 300, thereby further reducing the difficulty of testing and repairing the circuit board 300.

[0062] Sixthly, in the above embodiments, the circuit board 300 disposed in the mounting hole 120 can save space in the receiving cavity 110.

[0063] In some embodiments, please refer to Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The circuit board 300 is connected to the side of the bracket 200 facing the cover plate 400.

[0064] In the above embodiment, by connecting the circuit board 300 to the side of the bracket 200 facing the cover plate 400, the circuit board 300 can be directly exposed after the cover plate 400 is opened, avoiding the bracket 200 from obstructing the circuit board 300, reducing the impact of the bracket 200 on the operator's observation and direct contact with the circuit board 300, and allowing the operator to directly observe or contact the circuit board 300, further reducing the difficulty of operation when inspecting, repairing or replacing the circuit board 300.

[0065] In some embodiments, please refer to Figure 2 , Figure 4 and Figure 6 The battery pack also includes an insulating component 500, which is disposed between the circuit board 300 and the bracket 200 and is connected to the circuit board 300 and the bracket 200 respectively.

[0066] In some embodiments, please refer to Figure 2An insulating component 500 is inserted through the bracket 200, and a first connecting component 600 is inserted through the circuit board 300 and is detachably connected to the portion of the insulating component 500 located on the side of the bracket 200 near the cover plate 400.

[0067] In some embodiments, the portion of the insulating member 500 passing through the bracket 200 is detachably connected to the bracket 200; in some embodiments, the insulating member 500 is threadedly connected to the bracket 200.

[0068] In some embodiments, there are multiple insulating elements 500, which insulate the circuit board 300 and the bracket 200 while allowing the bracket 200 and the circuit board 300 to be as far apart as possible in the direction from the cover plate 400 to the housing 100, so as to further reduce the possibility of short circuit caused by contact between the circuit board 300 and the bracket 200 and improve the reliability of the battery pack.

[0069] In the above embodiment, by providing an insulating component 500 to insulate the circuit board 300 and the bracket 200, the circuit board 300 is insulated from the entire housing 100 and the bracket 200, thereby reducing the possibility of circuit board 300 being open-circuited and improving the reliability of the battery pack.

[0070] In some embodiments, please refer to Figure 4 , Figure 6 and Figure 9 The bracket 200 includes a connecting part 210 and a mounting part 220. The connecting part 210 is connected to the mounting surface 141. The mounting part 220 passes through the mounting hole 120 and is connected to the mounting part 220. The mounting part 220 has a mounting space 221 on the side facing the cover plate 400. The circuit board 300 is disposed in the mounting space 221 and connected to the mounting part 220. The mounting space 221 communicates with the receiving cavity 110.

[0071] Firstly, in the above embodiments, by providing the connecting part 210 and the mounting part 220, the bracket 200 can be connected to the mounting surface 141 while a portion of the mounting part 220 still passes through the mounting hole 120. This allows the circuit board 300 connected to the mounting part 220 to have sufficient distance from the cover plate 400, allowing the outer surface of the housing 100 to be as flat as possible.

[0072] Secondly, in the above embodiment, the mounting space 221 formed in the mounting portion 220 can be used to place the circuit board 300, ensuring that the circuit board 300 connected to the mounting portion 220 has sufficient distance from the cover plate 400. This reduces the possibility of short circuits caused by contact between the cover plate 400 and the circuit board 300, improving the reliability of the battery pack. Simultaneously, the portion of the mounting portion 220 that is insulated from the circuit board 300 can surround the circuit board 300, thereby protecting the circuit board 300 and further improving the reliability of the battery pack.

[0073] In some embodiments, please refer to Figure 4 The mounting part 220 is located in the receiving cavity 110.

[0074] Specifically, the portion of the installation space 221 enclosed by the installation part 220 is also located in the receiving cavity 110.

[0075] In the above embodiments, by partially positioning the mounting portion 220 within the receiving cavity 110, the circuit board 300 is kept as far away from the cover plate 400 as possible while still allowing for easy exposure and removal. This ensures a sufficient safety distance between the circuit board 300 and the cover plate 400, reducing the possibility of a short circuit caused by contact between the cover plate 400 and the circuit board 300. Simultaneously, this sufficient safety distance between the circuit board 300 and the cover plate 400 also allows for a smoother outer surface of the housing 100, reducing the difficulty of placing the battery pack in the vehicle.

[0076] In some embodiments, please refer to Figure 4 and Figure 9 The mounting portion 220 includes at least two support sub-parts 222 and a mounting sub-part 224. The at least two support sub-parts 222 are spaced apart. The support sub-parts 222 are connected to the side of the connecting portion 210 facing the receiving cavity 110, and a portion of the support sub-parts 222 is disposed in the receiving cavity 110. The mounting sub-part 224 is disposed in the receiving cavity 110 and is connected to the side of the plurality of support sub-parts 222 away from the connecting portion 210. The circuit board 300 is disposed between the at least two support sub-parts 222 and connected to the side of the mounting sub-part 224 facing the cover plate 400.

[0077] In some embodiments, at least two support sub-parts 222 are spaced apart and surround the mounting sub-part 224 to form a mounting space 221. The circuit board 300 is disposed in the mounting space 221. Since the mounting sub-part 224 is disposed in the receiving cavity 110, the mounting space 221 communicates with the receiving cavity 110.

[0078] In some embodiments, the mounting portion 220 includes two support sub-portions 222, which are spaced apart to form the mounting space 221. Since the mounting sub-portion 224 is located in the receiving cavity 110, a portion of the mounting space 221 is also located in the receiving cavity 110 and communicates with the receiving cavity 110.

[0079] In the above embodiment, by setting the spaced support sub-parts 222 to form an installation space 221 communicating with the receiving cavity 110 with the mounting sub-parts 224, the cables in the receiving cavity 110 can extend into the installation space 221 and connect with the circuit board 300 in the installation space 221 without having to open other wire holes in the bracket 200, thus reducing the manufacturing difficulty of the bracket 200.

[0080] Furthermore, since the receiving cavity 110 is connected to the installation space 221, when it is necessary to separate the bracket 200 from the housing 100, the portion of the cable located between the bracket 200 and the cover plate 400 can be moved to the side of the bracket 200 away from the cover plate 400, reducing the cable's obstruction of the bracket 200 and further reducing the difficulty of disassembling the bracket 200 and the circuit board 300.

[0081] In some embodiments, the housing 100 includes a first wall 130, a second wall 140, a plurality of first connecting portions 160, a third wall 150, and a plurality of second connecting portions 170. The first wall 130 has an inner surface 131. The second wall 140 is spaced apart from the first wall 130 and is disposed on the side of the first wall 130 opposite to the inner surface 131. The second wall 140 has a mounting surface 141. The first connecting portions 160 are disposed between the first wall 130 and the second wall 140 and respectively connect the first wall 130 and the second wall 150. A first wall 130 and a second wall 140 are provided, and a plurality of first connecting parts 160 are spaced apart; a third wall 150 is provided on the side of the second wall 140 away from the first wall 130, and the third wall 150 is spaced apart from the second wall 140; a second connecting part 170 is provided between the second wall 140 and the third wall 150 and connects the second wall 140 and the third wall 150 respectively, and a plurality of second connecting parts 170 are spaced apart; a mounting hole 120 passes through the first wall 130, the second wall 140 and the third wall 150 respectively.

[0082] Firstly, in the above embodiments, the first wall 130, the second wall 140, and the plurality of first connecting portions 160 form a cavity, making the housing 100 a hollow beam structure, thus improving the mechanical properties of the housing 100. Simultaneously, the second wall 140, the third wall 150, and the plurality of second connecting portions 170 form a cavity, thus forming another hollow beam structure on the housing 100. The two hollow beam structures are arranged side-by-side, further improving the mechanical properties of the housing 100 and enhancing its reliability. Furthermore, the arrangement of two parallel hollow beam structures also increases the thickness of the housing 100, allowing the mounting holes 120 to have sufficient length to accommodate the circuit board 300.

[0083] Secondly, in the above embodiment, the mounting surface 141 located on the second wall 140 ensures that the bracket 200 does not protrude from the mounting hole 120 away from the receiving cavity 110 while being connected to the housing 100. This allows the bracket 200 to be embedded in the housing 100 and the receiving cavity 110, and also allows the circuit board 300 and the cover plate 400 to have sufficient spacing, making the outer surface of the housing 100 as flat as possible and reducing the difficulty of arranging the battery pack in the vehicle.

[0084] In some embodiments, please refer to Figure 7 The first wall 130 has a first hole wall 132, the second wall 140 has a second hole wall 142, and the third wall 150 has a third hole wall 151. The first hole wall 132, the second hole wall 142, and the third hole wall 151 form a mounting hole 120. The orthographic projection of the third hole wall 151 on the mounting surface 141 surrounds the orthographic projection of the bracket 200 on the plane where the mounting surface 141 is located.

[0085] In the above embodiment, the orthographic projection of the third hole wall 151 on the mounting surface 141 can surround the orthographic projection of the bracket 200 on the plane where the mounting surface 141 is located. This means that the opening of the mounting wall in the third wall 150 is large enough that there is no need to tilt the bracket 200. The bracket 200 can be removed from the mounting hole 120 by translation without interfering with the third wall 150. This further reduces the difficulty of disassembling the bracket 200 and the circuit board 300, thereby reducing the difficulty of inspecting, repairing and replacing the circuit board 300.

[0086] In some embodiments, please refer to Figure 8 The first wall 130 has a first hole wall 132, the second wall 140 has a second hole wall 142, and the third wall 150 has a third hole wall 151. The first hole wall 132, the second hole wall 142, and the third hole wall 151 form a mounting hole 120. The orthographic projection of the first hole wall 132 on the mounting surface 141 surrounds the orthographic projection of the second hole wall 142 on the plane where the mounting surface 141 is located, and the first hole wall 132 is spaced apart from the bracket 200.

[0087] Since the orthographic projection of the first hole wall 132 on the mounting surface 141 surrounds the orthographic projection of the second hole wall 142 on the plane where the mounting surface 141 is located, that is, when looking out of the receiving cavity 110 through the mounting hole 120, a part of the second wall 140 can be seen, that is, part of the second wall 140 is exposed in the opening of the mounting hole 120 to the first wall 130.

[0088] Firstly, in the above embodiments, the orthographic projection of the first hole wall 132 on the mounting surface 141 surrounds the orthographic projection of the second hole wall 142 on the plane where the mounting surface 141 is located. Furthermore, the spacing between the first hole wall 132 and the bracket 200 reduces the possibility of interference between the bracket 200 and the first hole wall 132 when the bracket 200 is removed and inserted into the mounting hole 120. This further reduces the difficulty of disassembling the bracket 200 and the circuit board 300, thereby reducing the difficulty of inspecting, repairing, and replacing the circuit board 300.

[0089] Secondly, in the above embodiment, the first hole wall 132 and the bracket 200 are spaced apart to provide wiring space for some cables, which reduces the possibility of cable damage caused by the bracket 200 being clamped between the bracket 200 and the first hole wall 132 after the bracket 200 is installed in the receiving cavity 110. This reduces the installation difficulty of the bracket 200 and the circuit board 300 while improving the reliability of the battery pack.

[0090] In some embodiments, the battery pack includes a plurality of cable fasteners, at least one of which is connected to the side of the second wall 140 away from the cover plate 400. The orthographic projection of the first hole wall 132 on the mounting surface 141 surrounds the orthographic projection of the cable fastener connected to the side of the second wall 140 away from the cover plate 400 on the mounting surface 141.

[0091] In the above embodiment, the cable fixing member connected to the side of the second wall 140 opposite to the cover plate 400 can constrain the position of the cable, further reducing the possibility that the cable is clamped between the bracket 200 and the first wall 130 or the second wall 140, and further reducing the installation difficulty of the bracket 200 and the circuit board 300. At the same time, it also improves the reliability of the battery pack.

[0092] According to a second aspect of this application, a vehicle is provided, including a battery pack as described in any of the above embodiments.

[0093] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0094] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0095] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0096] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A battery pack, characterized in that, include: A housing (100) having an inner surface (131) and a mounting surface (141) facing away from each other, the housing (100) also having a receiving cavity (110) and a mounting hole (120), the inner surface (131) surrounding the receiving cavity (110), the mounting hole (120) penetrating the inner surface (131) and the mounting surface (141), and the mounting hole (120) communicating with the receiving cavity (110); A bracket (200) is detachably connected to the mounting surface (141) and passes through the mounting hole (120); A circuit board (300) is connected to the bracket (200) and disposed in the mounting hole (120); A cover plate (400) is disposed outside the receiving cavity (110) and is detachably connected to the housing (100). The cover plate (400) covers the mounting hole (120).

2. The battery pack according to claim 1, characterized in that, The circuit board (300) is connected to the bracket (200) on the side facing the cover plate (400).

3. The battery pack according to claim 2, characterized in that, The battery pack also includes an insulating component (500) disposed between the circuit board (300) and the bracket (200), and connected to the circuit board (300) and the bracket (200) respectively.

4. The battery pack according to claim 1, characterized in that, The support (200) includes: A connecting part (210) is connected to the mounting surface (141); The mounting part (220) passes through the mounting hole (120) and is connected to the mounting part (220). The mounting part (220) has a mounting space (221) on the side facing the cover plate (400). The circuit board (300) is disposed in the mounting space (221) and connected to the mounting part (220). The mounting space (221) communicates with the receiving cavity (110).

5. The battery pack according to claim 4, characterized in that, A portion of the mounting part (220) is disposed in the receiving cavity (110).

6. The battery pack according to claim 5, characterized in that, The mounting part (220) includes: At least two support sub-parts (222) are provided at intervals, the support sub-parts (222) are connected to the side of the connecting part (210) facing the receiving cavity (110), and a portion of the support sub-parts (222) is provided in the receiving cavity (110); Mounting sub-part (224) is disposed in the receiving cavity (110) and is connected to the side of the plurality of support sub-parts (222) opposite to the connecting part (210); The circuit board (300) is disposed between at least two of the support sub-parts (222) and connected to the mounting sub-part (224) on the side facing the cover plate (400).

7. The battery pack according to claim 1, characterized in that, The housing (100) includes: A first wall (130) having the inner surface (131); The second wall (140) is spaced apart from the first wall (130), and the second wall (140) is located on the side of the first wall (130) away from the inner surface (131). The second wall (140) has the mounting surface (141). A plurality of first connecting portions (160) are provided between the first wall (130) and the second wall (140) and respectively connect the first wall (130) and the second wall (140). The plurality of first connecting portions (160) are spaced apart. A third wall (150) is disposed on the side of the second wall (140) away from the first wall (130), and the third wall (150) and the second wall (140) are spaced apart. A plurality of second connecting portions (170) are provided between the second wall (140) and the third wall (150) and respectively connect the second wall (140) and the third wall (150). The plurality of second connecting portions (170) are spaced apart. The mounting hole (120) penetrates the first wall (130), the second wall (140) and the third wall (150) respectively.

8. The battery pack according to claim 7, characterized in that, The first wall (130) has a first hole wall (132), the second wall (140) has a second hole wall (142), and the third wall (150) has a third hole wall (151). The first hole wall (132), the second hole wall (142), and the third hole wall (151) form the mounting hole (120). The orthographic projection of the third hole wall (151) on the mounting surface (141) surrounds the orthographic projection of the bracket (200) on the plane where the mounting surface (141) is located.

9. The battery pack according to claim 7, characterized in that, The first wall (130) has a first hole wall (132), the second wall (140) has a second hole wall (142), and the third wall (150) has a third hole wall (151). The first hole wall (132), the second hole wall (142), and the third hole wall (151) form the mounting hole (120). The orthographic projection of the first hole wall (132) on the mounting surface (141) surrounds the orthographic projection of the second hole wall (142) on the plane where the mounting surface (141) is located, and the first hole wall (132) is spaced apart from the bracket (200).

10. A vehicle, characterized in that, Includes the battery pack as described in any one of claims 1 to 9.

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