Grounding anti-rotation structure, battery management system, battery pack and vehicle

Abstract

The embodiment of the utility model provides a grounding anti-rotation structure, a battery management system, a battery pack and a vehicle, and relates to the technical field of power batteries. The grounding anti-rotation structure comprises a mounting seat, a conductive piece, a plug connector and a connecting piece. The mounting base is provided with a limiting groove, and the mounting base is used for being arranged on a to-be-grounded part. The conductive part is provided with a main body part and an extension part which are connected, the main body part is arranged on the mounting seat, and part of the extension part is arranged in the limiting groove to limit rotation of the conductive part relative to the mounting seat. And the plug connector is inserted in the extension part and is used for electrically connecting the extension part and the to-be-grounded part. And the connecting piece is arranged on the main body part and is used for grounding the conductive piece. The main body part and the extension part of the conductive piece replace a traditional wiring harness bonding mode, so that the grounding area can be increased, and the electromagnetic compatibility can be improved; moreover, the rotation of the conductive member can be limited through the limiting groove of the installation seat, so as to maintain the grounding effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power batteries, and in particular to a grounding anti-rotation structure, a battery management system, a battery pack and a vehicle. BACKGROUND

[0002] A battery management system (BMS) in a battery pack mainly includes a battery disconnect unit (BDU) and a battery management unit (BMU). The BDU is mainly composed of relays, resistors, fuses and other components, and the BMU is mainly composed of a circuit board with control functions. As a core component of a battery control system, the BDU and the BMU have a very important safety role in the battery system.

[0003] In the related art, the BDU and the BMU are connected through a traditional wire harness grounding mode. However, due to poor grounding and other reasons, there is a problem of poor electromagnetic compatibility (EMC). CONTENT OF THE UTILITY MODEL

[0004] The present application provides a grounding anti-rotation structure, a battery management system, a battery pack and a vehicle to solve the problem of poor electromagnetic compatibility when the BDU and the BMU are connected through a traditional wire harness grounding mode.

[0005] In a first aspect, the present application provides a grounding anti-rotation structure, comprising:

[0006] A mounting seat, on which a limiting groove is arranged, the mounting seat being arranged on a to-be-grounded member;

[0007] A conductive member having a main body portion and an extension portion connected to each other, the main body portion being arranged on the mounting seat, and part of the extension portion being arranged in the limiting groove to limit rotation of the conductive member relative to the mounting seat;

[0008] A plug-in member being plugged on the extension portion, the plug-in member being used to electrically connect the extension portion and the to-be-grounded member;

[0009] A connecting member being arranged on the main body portion to ground the conductive member.

[0010] In a possible implementation, the grounding anti-rotation structure provided by the present application includes a connecting segment and a bent segment connected to each other.

[0011] The connecting segment is connected to the main body portion, and the connecting segment is arranged in the limiting groove, and the plug-in member is plugged on the bent segment.

[0012] In a possible implementation, the grounding anti-rotation structure provided by the embodiment of the present application comprises a first bending segment and a second bending segment connected with each other.

[0013] The first bending segment is connected with the connecting segment, the plug-in part is inserted into the second bending segment, and the first bending segment and the second bending segment have an included angle therebetween.

[0014] In a possible implementation, the grounding anti-rotation structure provided by the embodiment of the present application comprises a first bending segment and a second bending segment connected with each other.

[0015] The plug-in part is inserted into the second bending segment through the mounting hole.

[0016] In a possible implementation, the grounding anti-rotation structure provided by the embodiment of the present application further comprises a limiting part.

[0017] The limiting hole is arranged on the second bending segment, and the limiting part is inserted into the second bending segment through the limiting hole.

[0018] In a possible implementation, the grounding anti-rotation structure provided by the embodiment of the present application comprises a mounting seat, the mounting seat is provided with a mounting groove, and the mounting groove is provided with a first clamping part.

[0019] The limiting groove is arranged on the inner wall of the mounting groove, the outer side of the main part is circumferentially provided with a second clamping part, the first clamping part and the second clamping part are connected in a matched mode, so that the main part is clamped with the mounting groove.

[0020] In a possible implementation, the grounding anti-rotation structure provided by the embodiment of the present application comprises a main part, the main part is provided with a grounding hole.

[0021] The connecting part is inserted into the grounding hole.

[0022] In a possible implementation, the grounding anti-rotation structure provided by the embodiment of the present application comprises a main part, the main part is provided with a grounding hole.

[0023] The BDU module and the BMU module are connected in a grounded mode through the grounding anti-rotation structure.

[0024] In a possible implementation, the grounding anti-rotation structure provided by the embodiment of the present application comprises a main part, the main part is provided with a grounding hole.

[0025] The battery management system is arranged on the battery pack body.

[0026] In a possible implementation, the grounding anti-rotation structure provided by the embodiment of the present application comprises a main part, the main part is provided with a grounding hole.

[0027] This invention provides a grounding anti-rotation structure, a battery management system, a battery pack, and a vehicle. The grounding anti-rotation structure includes a mounting base, a conductive component, a plug-in component, and a connector. The mounting base has a limiting groove and is used to mount the component to be grounded. The conductive component has a connected main body and an extension. The main body is mounted on the mounting base, and part of the extension is disposed within the limiting groove to restrict rotation of the conductive component relative to the mounting base. The plug-in component is inserted into the extension and is used to electrically connect the extension and the component to be grounded. The connector is disposed on the main body for grounding connection. By replacing the traditional wire harness grounding method with the main body and extension of the conductive component, the grounding area can be increased, improving electromagnetic compatibility; furthermore, the limiting groove of the mounting base restricts the rotation of the conductive component, maintaining the grounding effect. Attached Figure Description

[0028] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0029] Figure 1 This is a schematic diagram of the grounding anti-rotation structure provided in the embodiments of this application;

[0030] Figure 2 This is a partial structural schematic diagram of the battery pack provided in an embodiment of this application;

[0031] Figure 3 for Figure 2 A partial structural diagram of the battery pack in the diagram;

[0032] Figure 4 for Figure 2 Another structural diagram of the battery pack in the diagram;

[0033] Figure 5 This is a partial structural diagram of the mounting base and BDU module provided in the embodiments of this application.

[0034] Explanation of reference numerals in the attached figures:

[0035] 10. Grounding anti-rotation structure;

[0036] 100. Mounting bracket;

[0037] 110. Limiting groove;

[0038] 120. Mounting slot;

[0039] 130. First connecting part;

[0040] 200. Conductive components;

[0041] 210. Main body;

[0042] 211. Second connecting part;

[0043] 212, grounding hole;

[0044] 220, extension;

[0045] 221, connecting section;

[0046] 222, bending section; 2221, first bending section; 2222, second bending section;

[0047] 223, mounting hole;

[0048] 224, limiting hole;

[0049] 300, plug-in piece;

[0050] 400, connecting piece;

[0051] 500, limiting piece;

[0052] 20, BDU module;

[0053] 30, BMU module;

[0054] 40, frame.

[0055] The specific embodiments of the application have been shown by way of example in the above figures, and will be described in more detail hereafter. These figures and this written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by reference to specific embodiments. DETAILED DESCRIPTION

[0056] The exemplary embodiments will be described in detail herein with reference to the attached drawings. The same reference numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments are not meant to represent all embodiments consistent with the application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the application as detailed in the appended claims.

[0057] The terms "first", "second", "third", and "fourth" and the like in the description and in the claims of the utility model, and the above drawings (if any) are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0058] As mentioned in the background, the BDU and the BMU are connected by a conventional wire harness grounding mode, however, due to poor grounding and other reasons, there is a problem of poor electromagnetic compatibility (EMC).

[0059] In view of the above problems existing in the prior art, the utility model provides a grounding anti-rotation structure, a battery management system, a battery pack and a vehicle. The grounding anti-rotation structure comprises a mounting seat, a conductive piece, a plug-in piece and a connecting piece. The mounting seat is provided with a limiting groove, and the mounting seat is arranged on a to-be-grounded piece. The conductive piece has a main body part and an extension part connected with each other, the main body part is arranged on the mounting seat, and part of the extension part is arranged in the limiting groove to limit the rotation of the conductive piece relative to the mounting seat. The plug-in piece is inserted on the extension part, and the plug-in piece is used for electrically connecting the extension part and the to-be-grounded piece. The connecting piece is arranged on the main body part for grounding connection. The main body part and the extension part of the conductive piece replace the conventional wire harness grounding mode, which can increase the grounding area and improve the electromagnetic compatibility; and the limiting groove of the mounting seat can also limit the rotation of the conductive piece to maintain the grounding effect.

[0060] Next, an exemplary application scenario of the utility model is introduced.

[0061] The grounding anti-rotation structure provided by the utility model can be applied to the battery pack of a new energy vehicle, such as the battery pack of a pure electric drive vehicle, the battery pack of a plug-in hybrid vehicle and the like. Specifically, the grounding anti-rotation structure provided by the utility model replaces the conventional wire harness grounding mode by the main body part and the extension part of the conductive piece, which can increase the grounding area and improve the electromagnetic compatibility.

[0062] The technical solutions of the present application and how the technical solutions of the present application solve the above technical problems will be described in detail below with specific examples. The following specific examples can be combined with each other, and the same or similar concepts or processes can not be described again in some examples. The embodiments of the present application will be described below with reference to the accompanying drawings.

[0063] Referring to Figure 1 and Figure 5 , the grounding anti-rotation structure 10 provided by the embodiments of the present application includes a mounting seat 100, a conductive part 200, a plug-in part 300 and a connecting part 400.

[0064] The mounting seat 100 is provided with a limiting groove 110, and the mounting seat 100 is arranged on the part to be grounded.

[0065] The conductive part 200 has a main body part 210 and an extension part 220 connected with each other, the main body part 210 is arranged on the mounting seat 100, and part of the extension part 220 is arranged in the limiting groove 110 to limit the rotation of the conductive part 200 relative to the mounting seat 100.

[0066] The plug-in part 300 is inserted on the extension part 220, and the plug-in part 300 is electrically connected with the extension part 220 and the part to be grounded.

[0067] The connecting part 400 is arranged on the main body part 210 to connect the conductive part 200 to the ground.

[0068] It can be understood that the grounding anti-rotation structure 10 provided by the embodiments of the present application can be used in a battery pack, and the part to be grounded can be a battery management system, which includes a BDU module 20 and a BMU module 30. Wherein, the battery pack includes a frame 40, and the frame 40 is arranged with a battery cell module, the BDU module 20 and the BMU module 30, the BDU module 20 and the BMU module 30 are electrically connected with the battery cell module, the BDU module 20 is mainly used for controlling the charging and discharging process of the battery cell module, and the BMU module 30 is mainly used for monitoring the voltage, temperature and other parameters of the battery cell module in real time.

[0069] Referring to Figure 1 , Figure 2 and Figure 5 , the mounting seat 100 can be arranged on the housing of the BDU module 20, the main body part 210 of the conductive part 200 is arranged on the mounting seat 100, the extension part 220 of the conductive part 200 extends outwardly from the main body part 210 and connects the BMU module 30 and the BDU module 20 through the plug-in part 300, and then the main body part 210 and the frame 40 of the battery pack are connected through the connecting part 400 to realize the grounding connection.

[0070] The main body 210 and the extension 220 of the conductive part 200 replace the traditional wire harness bonding mode, thereby increasing the grounding area and improving the electromagnetic compatibility (EMC) caused by the small contact area of the traditional wire harness grounding mode.

[0071] In addition, the partial extension 220 is arranged in the limiting groove 110, so that the conductive part 200 is prevented from rotating or loosening due to vibration or external force, which not only helps to maintain the grounding effect, but also prevents electrical failure caused by insecure grounding.

[0072] For example, the extension 220 can have a linear shape, a bent shape, an S shape, or the like, which can be adaptively adjusted according to the internal space of the battery pack, and the embodiments of the present application do not make too many limitations.

[0073] For example, the conductive part 200 is mainly used for electrically connecting the BDU module 20 and the BMU module 30, and the conductive part 200 can be a metal material with good conductivity, such as copper material, aluminum material, etc., and the embodiments of the present application do not make too many limitations.

[0074] Referring to Figure 1 and Figure 4 In some embodiments, the extension 220 includes a connecting segment 221 and a bent segment 222 connected to each other.

[0075] The connecting segment 221 is connected to the main body 210, and the connecting segment 221 is arranged in the limiting groove 110, and the plug-in part 300 is inserted on the bent segment 222.

[0076] In the above embodiments, the connecting segment 221 is arranged in the limiting groove 110 to limit the rotation of the conductive part 200 relative to the mounting seat 100. The plug-in part 300 is inserted on the bent segment 222 to electrically connect the bent segment 222, the BDU module 20 and the BMU module 30 through the plug-in part 300.

[0077] The bent segment 222 has a bent shape, and in actual installation, the bent segment 222 can be adaptively bent according to the installation environment between the BDU module 20 and the BMU module 30, so as to better utilize the internal space and improve the installation efficiency.

[0078] Referring to Figure 1 and Figure 4 In some specific embodiments, the bent segment 222 includes a first bent segment 2221 and a second bent segment 2222 connected to each other.

[0079] The first bending section 2221 is connected with the connecting section 221, and the plug-in part 300 is inserted into the second bending section 2222. The first bending section 2221 and the second bending section 2222 have an included angle therebetween.

[0080] In the above embodiment, the included angle between the first bending section 2221 and the second bending section 2222 can be adjusted, so that the bending section 222 has higher flexibility and can adapt to different installation environments between the BDU module 20 and the BMU module 30 during installation.

[0081] For example, the included angle between the first bending section 2221 and the second bending section 2222 can be 30 degrees, 60 degrees, or 90 degrees, and the like. The included angle can be adjusted adaptively according to the internal space of the battery pack, and the present embodiment does not make too many limitations thereon.

[0082] Referring to FIGS. Figure 1 , Figure 3 and Figure 4 , in some specific embodiments, the second bending section 2222 is provided with a mounting hole 223.

[0083] The plug-in part 300 is inserted into the second bending section 2222 through the mounting hole 223.

[0084] In the above embodiment, the mounting hole 223 is used for connecting the second bending section 2222 with the BDU module 20 and the BMU module 30.

[0085] It can be understood that the BDU module 20 and the BMU module 30 can be respectively provided with a fixing hole corresponding to the mounting hole 223, so as to insert the plug-in part 300, thereby connecting the BDU module 20, the BMU module 30, and the second bending section 2222.

[0086] For example, the plug-in part 300 can be a fastening structure such as a bolt.

[0087] For example, the shape of the mounting hole 223 can include, but is not limited to, a circular shape, an elliptical shape, and a square shape.

[0088] Referring to FIGS. Figure 1 , Figure 3 and Figure 4 , in some specific embodiments, the grounding anti-rotation structure 10 includes a limiting part 500.

[0089] The second bending section 2222 is provided with a limiting hole 224, and the limiting part 500 is inserted into the second bending section 2222 through the limiting hole 224.

[0090] In the above embodiment, the BDU module 20 and the BMU module 30 can be respectively provided with a limiting installation hole 223 corresponding to the limiting hole 224, and the limiting piece 500 can be inserted between the BDU module 20, the BMU module 30 and the second bending section 2222 through the limiting installation hole 223 and the limiting hole 224, so that the limiting piece 500 cooperates with the plug-in piece 300 to limit the rotation of the second bending section 2222 relative to the BDU module 20 and the BMU module 30.

[0091] For example, the limiting piece 500 can be a fastening structure such as a bolt.

[0092] For example, the shape of the limiting hole 224 can include but is not limited to a circle, an ellipse and a square.

[0093] Referring to Figure 3 and Figure 5 In some embodiments, the mounting seat 100 is provided with a mounting groove 120.

[0094] The limiting groove 110 is arranged on the inner wall of the mounting groove 120, and the main body 210 is detachably clamped in the mounting groove 120.

[0095] In the above embodiment, the structure is simple, and the main body 210 of the conductive piece 200 can be conveniently and detachably mounted into the mounting groove 120 of the mounting seat 100. The clamping design of the main body 210 and the mounting groove 120 is to facilitate the maintenance, replacement and the like of the main body 210.

[0096] In the mounting process, part of the extension 220 can be aligned with the limiting groove 110, and then the main body 210 can be clamped in the mounting groove 120.

[0097] For example, the detachable clamping mode can be a latch clamping, a spring buckle, a key groove structure and the like, and the present application embodiment does not make too many limitations.

[0098] Referring to Figure 3 and Figure 5 In some specific embodiments, the mounting groove 120 is provided with a first clamping part 130.

[0099] The outer side of the main body 210 is circumferentially provided with a second clamping part 211, and the first clamping part 130 and the second clamping part 211 are connected in cooperation to clamp the main body 210 and the mounting groove 120.

[0100] In the above embodiment, in the mounting process, the second clamping part 211 on the main body 210 can be aligned with the first clamping part 130 in the mounting groove 120, and then the two are clamped in cooperation, so as to realize the detachable clamping of the main body 210 and the mounting groove 120.

[0101] As shown in Figure 1 For example, the first clamping part 130 can be a ring-shaped clamping block, and the second clamping part 211 can be a ring-shaped clamping groove arranged on the outer side of the main body part 210 in a circumferential direction. The ring-shaped clamping block is provided with a notch, and the ring-shaped clamping groove passes through the notch.

[0102] Of course, the first clamping part 130 can be a ring-shaped clamping groove, and the second clamping part 211 can be a ring-shaped clamping block. The embodiments of the present application do not make too many limitations on this.

[0103] As shown in Figure 1 and Figure 4 In some embodiments, the main body part 210 is provided with a grounding hole 212.

[0104] The connecting piece 400 is inserted into the grounding hole 212.

[0105] In the above embodiments, the frame 40 of the battery pack can be provided with a fixing hole corresponding to the grounding hole 212. In this way, the connecting piece 400 can connect the main body part 210 and the frame 40 of the battery pack through the grounding hole 212 and the fixing hole in sequence, so as to realize grounding connection.

[0106] For example, the connecting piece 400 is mainly used for connecting the main body part 210 and the frame 40 of the battery pack. The connecting piece 400 can be a fastener such as a bolt.

[0107] The battery management system provided by the embodiments of the present application includes a BDU module 20, a BMU module 30, and the grounding anti-rotation structure 10 as described above.

[0108] The BDU module 20 and the BMU module 30 are connected in a grounded manner through the grounding anti-rotation structure 10.

[0109] In the embodiments of the present application, since the battery management system adopts the grounding anti-rotation structure 10 in the above embodiments, it also has the advantages and benefits brought by the grounding anti-rotation structure 10. That is, the main body part 210 and the extension part 220 of the conductive piece 200 replace the traditional wire harness grounding mode, which can increase the grounding area, improve the electromagnetic compatibility, and also limit the rotation of the conductive piece 200 through the limiting groove 110 of the mounting seat 100, so as to maintain the grounding effect.

[0110] As shown in Figure 2 The battery pack provided by the embodiments of the present application includes a battery pack body and a battery management system as described above.

[0111] The battery management system is arranged on the battery pack body.

[0112] In the above structural arrangement, since the battery pack adopts the battery management system in the above embodiment, it also has the advantages and benefits brought by the battery management system accordingly, which will not be described here.

[0113] The battery pack body can include a frame 40 and a battery cell module arranged in the frame 40.

[0114] The vehicle provided by the embodiment of the present application comprises a vehicle body and the above battery pack, and the battery pack is arranged on the vehicle body.

[0115] In the above structural arrangement, since the vehicle adopts the battery pack in the above embodiment, it also has the advantages and benefits brought by the battery pack accordingly, which will not be described here.

[0116] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. The specification and examples given are exemplary only and the true scope and spirit of the application is indicated by the following claims. It will be appreciated by those skilled in the art that changes could be made to the embodiments described above, without departing from the broad discipline underlying the application. It is intended that the scope of the application disclosed herein include all such changes and modifications.

[0117] It should be understood that the application is not limited to the precise construction that has been described above and shown in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The scope of the application is to be limited only by the appended claims.

Claims

1. A ground anti-rotation structure, characterized by, The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure.

2. The ground anti-rotation structure of claim 1, wherein, The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure.

3. The ground anti-rotation structure of claim 2, wherein, The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure.

4. The ground anti-rotation structure of claim 3, wherein The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure.

5. The ground anti-rotation structure of claim 3, wherein The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure.

6. The ground anti-rotation structure according to any one of claims 1 to 5, characterized in that, The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure.

7. The ground anti-rotation structure according to any one of claims 1 to 5, characterized in that, The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure.

8. A battery management system, characterized by, The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure.

9. A battery pack, characterized by, The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application relates to an anti-rotation grounding structure. The application 10. A vehicle characterized by comprising: A vehicle including a vehicle body and a battery pack as recited in claim 9, the battery pack being disposed on the vehicle body.

Images