CN216085191U

CN216085191U - Protective cover of battery module and battery module

Info

Publication number: CN216085191U
Application number: CN202122599647.9U
Authority: CN
Inventors: 王统帅; 杜肖源; 杨慧杰; 程克强
Original assignee: CALB Technology Co Ltd
Current assignee: China Lithium Battery Technology Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-18
Anticipated expiration: 2031-10-26

Abstract

The utility model relates to the technical field of batteries, in particular to a protective cover of a battery module and the battery module. The protective cover of the battery module is arranged at the end plate of the battery module and is used for protecting the high-voltage interface and/or the low-voltage interface of the battery module; the protective cover is provided with a clamping hook, and the clamping hook is clamped with the end plate of the battery module. The protective cover is high in stability of being connected with whole module to convenient to detach, and then, at the in-process of module transportation and saving, the protective cover can play reliable guard action to high voltage interface and/or low voltage interface, and can conveniently dismantle the protective cover when using the module, with the interface to the module carry out the electricity and connect.

Description

Protective cover of battery module and battery module

Technical Field

The utility model relates to the technical field of batteries, in particular to a protective cover of a battery module and the battery module.

Background

The existing battery module has no special protection dustproof measures for high-low voltage interfaces, generally, only the whole battery module has dustproof measures such as a dustproof net and a protective sleeve, and the like, so that the existing battery module cannot well play the dustproof effects on the high-low voltage interfaces and cannot play the insulating protection effects and the like; the module is in transportation and save the in-process, and high-low pressure interface exposes in the air, leads to high-voltage electric shock and low pressure short circuit scheduling problem easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a protective cover of a battery module and the battery module, which are used for solving the problem of battery module interface protection.

In order to achieve the purpose, the following technical scheme is adopted in the disclosure:

in a first aspect, the present application provides a protective cover for a battery module, the protective cover being disposed at an end plate of the battery module and being used for protecting a high voltage interface and/or a low voltage interface of the battery module; the protective cover is provided with a clamping hook, and the clamping hook is clamped with the end plate of the battery module.

In a second aspect, the present application provides a battery module, including a module body, and a protective cover of the battery module; the protective cover of the battery module is connected with the end plate of the module body in a clamping mode.

The protective cover of the battery module and the battery module provided by the utility model have the advantages and positive effects that: the protective cover of battery module sets up the pothook, through the end plate block of pothook and battery module, so the protective cover is high with the stability of being connected of whole module, and convenient to detach, and then, at the in-process of module transportation and saving, the protective cover can play reliable guard action to high pressure interface and/or low pressure interface, and can conveniently dismantle the protective cover when using the module, with the interface to the module carries out the electricity and connects.

Drawings

For a better understanding of the present application, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art. Further, in the drawings, like reference characters designate the same or similar parts throughout the several views.

Fig. 1 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a partially exploded structure of a battery module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a protective cover of a battery module according to an embodiment of the utility model;

fig. 4 is a schematic structural view illustrating a protective cover of a battery module according to another embodiment of the present invention;

fig. 5 is a schematic structural view of an end plate of a battery module according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a protective bracket of a battery module according to an embodiment of the present invention.

Reference numerals:

1-an end plate; 10-a support; 11-weight reduction grooves; 12-hoisting holes;

2-a protective cover; 20-structural ribs; 21-hook; 22-upper cover plate; 23-sealing the side plate; 24-fixed columns;

25-convex column; 26-avoiding an opening; 211-cantilever; 212-a hook portion;

3-a high-voltage interface; 30-mounting holes; 31-positive interface; 32-negative interface;

4-a low-voltage interface; 41-a wire harness leading-out opening; 5-protective support.

Detailed Description

The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.

It is to be understood that the directional terms "upper", "lower", "inner", "outer", and the like, which are described in the exemplary embodiments of the present disclosure, are used in the angles shown in the drawings, and should not be construed as limiting the exemplary embodiments of the present disclosure.

In a first aspect, as shown in fig. 1 and 2, the present invention provides a protective cover 2 for a battery module, wherein the protective cover 2 is disposed at an end plate 1 of the battery module and is used for protecting a high voltage interface 3 and/or a low voltage interface 4 of the battery module; specifically, the protecting cover 2 is provided with a hook 21, and the hook 21 is fastened with the end plate 1 of the battery module.

The protective cover 2 of the battery module that this embodiment provided is equipped with the pothook, this protective cover 2 passes through 1 block of end plate of pothook 21 with the battery module, so this protective cover is high with the stability of being connected of whole module, and convenient to detach, and then, at the module transportation and the in-process of preserving, the protective cover can play reliable guard action to high pressure interface 3 and/or low pressure interface 4, and can conveniently dismantle protective cover 2 when using the module, in order to carry out the electricity to the interface of module and connect.

In some embodiments, as shown in fig. 2, the high-voltage interface 3 includes a positive interface 31 and a negative interface 32, the positive interface 31 and the negative interface 32 are both disposed at the side end plate 1, the low-voltage interface 4 is located between the positive interface 31 and the negative interface 32 of the high-voltage interface 3, and the positive interface 31 and the negative interface 32 are symmetrically disposed with respect to the low-voltage interface 4. Specifically, the protecting cover 2 may have a symmetrical structure to hermetically protect all of the positive interface 31 and the negative interface 32 of the high-voltage interface 3 and the low-voltage interface 4.

In some embodiments, as shown in fig. 2, 3 and 4, the hook 21 is a cantilever. Specifically, the hook 21 includes a cantilever 211 and a hook 212 disposed at an end of the cantilever 211, and the hook 212 is clamped into a groove or a hole of the end plate 1 to realize the engagement with the end plate 1, so that the hook 21 and the end plate 1 can be limited in the extending direction of the cantilever 211; exemplarily, the cantilever 211 extends along the top-to-bottom direction of the end plate 1, i.e. in the vertical direction from the top to the bottom of the end plate 1, the hook 21 and the end plate 1 are mutually limited. Specifically, in this application, the top and the bottom of end plate 1 indicate respectively that end plate 1 is close to the one end of battery module top apron and the one end that is close to the battery module bottom plate, and end plate 1's top one side, be the top one side of whole battery module promptly.

In some embodiments, as shown in fig. 2, 3 and 5, the end plate 1 is provided with weight-reducing slots 11; the opening of the weight-reducing slotted hole 11 is arranged towards the outer side of the end plate 1; the hook 21 is clamped in the lightening slot hole 11. The lightening slots 11 are, for example, structures for lightening the weight of the end plate 1, in the form of slots or holes, for example, in particular the openings of the lightening cavities.

Exemplarily, the end plate 1 has two supporting portions 10, the two supporting portions 10 are respectively located between the positive electrode interface 31 and the low voltage interface 4, and between the negative electrode interface 32 and the low voltage interface 4, and the supporting portions 10 are provided with weight-reducing grooves 11; the protecting cover 2 is provided with two hooks 21, and the two hooks 21 are respectively clamped with the weight-reducing grooves 11 of the two supporting parts 10. Naturally, the actual design of the protecting cover 2 is not limited to the above-mentioned embodiments, for example, the hooks 21 of the protecting cover 2 may also be engaged with the lightening recesses 11 on other parts of the end plate.

In some embodiments, as shown in fig. 2, 4 and 5, the end plate 1 is provided with a lifting hole 12, the lifting hole 12 is disposed at the top of the end plate 1, and the hook 21 can also be clamped in the lifting hole 12.

Illustratively, the top of the two supporting portions 10 of the end plate 1 are respectively provided with a lifting hole 12, and the protecting cover 2 is provided with two hooks 21, wherein the two hooks 21 are respectively engaged with the lifting holes 12 at the top of the two supporting portions 10.

In some embodiments, as shown in fig. 2, 3 and 4, the high-pressure port 3 and the low-pressure port 4 are disposed toward the top side of the end plate 1; the protective cover 2 comprises an upper cover plate 22 covering the high-pressure interface 3 and/or the low-pressure interface 4 so as to protect the high-pressure interface 3 and/or the low-pressure interface 4.

Illustratively, one end of the hook 21 is connected to the upper cover 22, and the other end extends to the engaging portion and is formed with a hook portion 212 for engaging connection.

Specifically, as shown in fig. 2 and 6, the battery module includes the protective bracket 5 that sets up at end plate 1 top, and protective bracket 5 encloses to establish and forms high voltage interface 3 and low voltage interface 4, this high voltage interface 3 with low voltage interface 4 orientation top one side of end plate 1 sets up, and high voltage interface 3's conducting strip exposes in top one side of battery module promptly, can conveniently be connected with the copper bar like this, and low voltage interface 4 is used for signal acquisition, and its opening also faces top one side of battery module, can conveniently be connected with the connector.

Further, as shown in fig. 2, 3 and 4, the upper cover plate 22 covers the low-voltage interface 4 to protect the low-voltage interface 4; the protective cover 2 further comprises a sealing side plate 23 connected with the upper cover plate 22, and the sealing side plate 23 is covered at the wire harness leading-out port 41 of the low-voltage interface 4 so as to cover the wire harness leading-out port 41 of the low-voltage interface 4.

In particular, the upper cover plate 22 and the sealing side plate 23 may further be designed with a sealing structure around the high-low pressure interface, so that the high-low pressure interface is completely covered by the protective cover 2 to achieve sealing protection. For example, the sealing structure may be a structural rib 20, and the structural rib 20 is completely fitted or in interference fit with the end plate 1 and/or the protective bracket 5 to seal the high-low pressure interface.

In some embodiments, as shown in fig. 2, 3 and 4, the upper cover plate 22 covers the high-voltage interface 3 to protect the high-voltage interface 3; a fixing column 24 is arranged on one side of the upper cover plate 22 facing the high-voltage interface 3, and the fixing column 24 is inserted into a mounting hole 30 of the high-voltage interface 3.

Specifically, the conductive plate 30 of the high-voltage interface 3 is provided with a mounting hole 30, and the copper bar and the mounting hole 30 of the conductive plate 30 are penetrated through a bolt, so that the copper bar is connected with the conductive plate 30. In this embodiment, the fixing post 24 is inserted into the mounting hole 30 of the high-voltage interface 3, so that the protective cover 2 and the high-voltage interface 3 can be fixedly connected, and the mounting hole 30 of the high-voltage interface 3 is sealed, so as to achieve the effects of dust prevention, water prevention and the like; in addition, the protective cover 2 can be installed vertically to insert the fixing post 24 into the mounting hole 30 of the high-voltage interface 3 and to fasten the hook 21 with the end plate 1, so that the installation is convenient.

Illustratively, an interference rib is arranged outside the fixing column 24 and used for interference fit with the high-voltage interface 3. For example, the fixed column 24 surface is equipped with four interference bars, and the interference bar extends along the extending direction of fixed column 24, extends to the bottom from the top of fixed column 24, and when inserting fixed column 24 to the mounting hole 30 of high pressure interface 3, fixed column 24 reduces because of interference bar atress compression diameter, and fixed column 24 increases because of interference bar rebound diameter after the assembly to realize interference fit, like this, can promote protective cover 2 stability, prevent to drop.

In some embodiments, as shown in fig. 2, 3 and 4, the upper cover plate 22 covers the high-voltage interface 3 to protect the high-voltage interface 3; one side that upper cover plate 22 deviates from high pressure interface 3 is equipped with projection 25, and projection 25 can be as the handle, makes things convenient for protective cover 2's installation and dismantlement.

Illustratively, the surface of the convex column 25 is provided with anti-slip protrusions. For example, the protruding pillar 25 may be in a handle shape, and the surfaces of both sides are respectively provided with a plurality of ribs, which are sequentially arranged along the extending direction of the protruding pillar 25, so as to increase the friction force with the hand and facilitate grasping force. In addition, a reinforcing structure can be added on the part of the convex column 25 to avoid the damage of the convex column 25 caused by stress concentration.

In some embodiments, as shown in fig. 2, 3 and 5, the end plate 1 is provided with a lifting hole 12, and the protecting cover 2 is provided with an escape opening 26 for exposing the lifting hole 12. The avoiding opening 26 is used for allowing the hoisting piece to pass through in the hoisting process of the battery module, so that the hoisting piece can extend into the hoisting hole 12 of the end plate 2, and the hoisting operation is convenient.

In a second aspect, as shown in fig. 1 and 2, the present application further provides a battery module, which includes a module body, and a protective cover 2 of the battery module as described in any one of the above; the protective cover 2 of the battery module is connected with the end plate 1 of the module body in a clamping mode.

According to the battery module, the protective cover 2 for protecting the high-voltage and low-voltage interfaces is additionally arranged, so that the dustproof effect of the high-voltage and low-voltage interfaces can be improved, and high-voltage electric shock and low-voltage short circuit can be avoided; through the cooperation of the clamping groove 2 of the protective cover 2 and the clamping groove 1 of the end plate, the fixing column 24 of the protective cover 2 and the mounting hole 30 of the high-voltage interface 3, the complete fixation and sealing of the protective cover 2 can be realized, the protection measures for the high-voltage interface 4 in the transportation process can be solved, and the safety protection is improved.

In addition, the application also provides a battery pack which comprises the battery module in the embodiment. Specifically, the battery pack is used in the field of electric automobiles.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The protective cover is characterized in that the protective cover is arranged at an end plate of the battery module and used for protecting a high-voltage interface and/or a low-voltage interface of the battery module; the protective cover is provided with a clamping hook, and the clamping hook is clamped with the end plate of the battery module.

2. The protective cover of claim 1, wherein the hook is a cantilever.

3. The protective cover for a battery module according to claim 1, wherein the end plate is provided with weight-reducing slotted holes and/or lifting holes;

the clamping hook is clamped in the weight reducing slotted hole or the hoisting hole.

4. The protective cover of a battery module according to any one of claims 1 to 3, wherein the high voltage port and the low voltage port are disposed toward a top side of the end plate; the protective cover comprises an upper cover plate covering the high-pressure interface and/or the low-pressure interface so as to protect the high-pressure interface and/or the low-pressure interface.

5. The protective cover of a battery module according to claim 4, wherein the upper cover plate covers the high voltage port; and one side of the upper cover plate, which faces the high-voltage interface, is provided with a fixing column, and the fixing column is inserted into the mounting hole of the high-voltage interface.

6. The protective cover of a battery module according to claim 5, wherein the fixing posts are provided with interference ribs on the outside for interference fit with the high voltage interface.

7. The protective cover of a battery module according to claim 4, wherein the upper cover plate covers the high voltage port; one side of the upper cover plate, which deviates from the high-pressure connector, is provided with a convex column, and the surface of the convex column is provided with an anti-skid projection.

8. The protective cover of a battery module according to claim 4, wherein the upper cover plate covers the low voltage port; the protective cover also comprises a sealing side plate connected with the upper cover plate, and the sealing side plate covers the wire harness leading-out opening of the low-voltage interface so as to cover the wire harness leading-out opening of the low-voltage interface.

9. The protective cover for a battery module according to claim 4, wherein the end plate is provided with a lifting hole, and the protective cover is provided with an avoiding opening for exposing the lifting hole.

10. A battery module comprising a module body and the protective cover of the battery module according to any one of claims 1 to 9; the protective cover of the battery module is connected with the end plate of the module body in a clamping mode.