CN212648360U

CN212648360U - Battery module fixed bolster and battery package

Info

Publication number: CN212648360U
Application number: CN202021528120.6U
Authority: CN
Inventors: 张万财; 冯俊敏; 吴婷婷
Original assignee: Xiamen Haichen New Energy Technology Co Ltd
Current assignee: Xiamen Hithium Energy Storage Technology Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-02
Anticipated expiration: 2030-07-28

Abstract

The application relates to the field of batteries, in particular to a battery module fixing support and a battery pack. The battery module fixing support is used for connecting a plurality of battery modules and comprises a main body and a plurality of connecting parts connected to the main body, and the connecting parts are arranged at intervals along the extension direction of the main body; and two ends of one connecting part are respectively used for connecting two adjacent battery modules. The fixed bolster can avoid its skew main part through main part restriction battery module, avoids taking place the skew dislocation between the battery module. The connecting part is connected with two adjacent battery modules, so that the battery modules are restrained to prevent the two adjacent battery modules from moving mutually; so as to achieve the purpose of limiting the battery module in multiple directions.

Description

Battery module fixed bolster and battery package

Technical Field

The application relates to the field of batteries, in particular to a battery module fixing support and a battery pack.

Background

The battery pack generally includes a plurality of battery modules; usually, two adjacent battery modules are connected by a connecting plate or the like to fix the plurality of battery modules.

Among the prior art, because the battery module in a battery package is in large quantity, need a plurality of connecting plates to connect, connecting and fixed in-process, can take place the skew between the battery module, a plurality of battery modules can make this skew amplified, are unfavorable for the fixed to a plurality of battery modules.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a battery module fixed bolster and battery package, it aims at improving the problem that battery module easily takes place the skew at fixed in-process in the battery package of current.

The first aspect of the application provides a battery module fixing bracket, which is used for connecting a plurality of battery modules;

the battery module fixing bracket comprises a main body and a plurality of connecting parts connected to the main body, wherein the connecting parts are arranged at intervals along the extension direction of the main body; and two ends of one connecting part are respectively used for connecting two adjacent battery modules.

The fixed bolster can avoid its skew main part through main part restriction battery module, avoids taking place the skew dislocation between the battery module. The connecting part is connected with two adjacent battery modules, so that the battery modules are restrained to prevent the two adjacent battery modules from moving mutually; so as to achieve the purpose of limiting the battery module in multiple directions.

In some embodiments of the first aspect of the present application, the connecting portions are disposed at the same end of the main body, and the connecting portions have surfaces for abutting against two adjacent battery modules.

. In some embodiments of the first aspect of the present application, the one connecting portion is provided with two connecting holes, and the two connecting holes are respectively used for connecting with two adjacent battery modules.

In some embodiments of the first aspect of the present application, the opposite ends of the main body are provided with fixing portions; the two fixing parts are respectively used for being connected with the two battery modules positioned at the two ends.

The fixing part and the main body jointly act to restrain two battery modules positioned at two ends of the battery pack; the condition that the battery modules at the two ends are turned over and moved is avoided.

In some embodiments of the first aspect of the present application, the connecting portion is integrally formed with the body.

In some embodiments of the first aspect of the present application, the battery module fixing bracket further includes a connecting member for connecting the battery module and the connecting portion.

The connecting part is connected with the battery module through a connecting piece.

In some embodiments of the first aspect of the present application, the connector is a bolt or a screw.

A second aspect of the present application provides a battery module fixing bracket, which is used for connecting a plurality of battery modules;

the battery module fixing bracket comprises a main body, a connecting part and two fixing parts; the connecting part is connected with the main body, and the two fixing parts are respectively arranged at two opposite ends of the main body;

the connecting part is used for connecting two adjacent battery modules;

the two fixing parts are respectively connected with the two battery modules positioned at the two ends.

The main part can retrain battery module, avoids battery module to take place the skew, and connecting portion connect two adjacent battery modules in order to realize spacing effect.

A third aspect of the present application provides a battery pack, which includes a plurality of battery modules and the battery module fixing bracket provided in the first aspect or the second aspect;

the plurality of battery modules are arranged along the extending direction of the main body; two adjacent battery modules are respectively installed at the two ends of the connecting part and are connected through the connecting part.

In some embodiments of the third aspect of the present application, the side wall of the battery module abuts against the main body.

Adopt above-mentioned fixed bolster to connect a plurality of battery module, make a plurality of battery module in the battery package arrange neatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 shows a schematic structural diagram of a battery pack provided in an embodiment of the present application.

Fig. 2 shows a schematic structural diagram of a first implementation of a fixing bracket provided in an embodiment of the present application.

Fig. 3 shows a schematic structural diagram of a second implementation of the fixing bracket provided in the example of the present application.

Fig. 4 shows a schematic structural diagram of a third implementation of the fixing bracket provided in the example of the present application.

Fig. 5 shows a schematic structural diagram of another connection portion provided in an embodiment of the present application.

Icon: 100-a battery pack; 110-a battery module; 200-fixing a bracket; 202-a connector; 210-a body; 220-a connecting portion; 230-a fixed part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the application usually place when in use, or the orientations or positional relationships that the skilled person usually understands, are only for convenience of description and simplification of description, and do not indicate or imply that the indicated devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Fig. 1 shows a schematic structural diagram of a battery pack 100 provided in an embodiment of the present application, please refer to fig. 1, in which the embodiment provides a battery pack 100, and the battery pack 100 includes four battery modules 110, and the four battery modules 110 are sequentially arranged. It is understood that in other embodiments of the present application, the battery pack 100 may include two, three, or more battery modules 110, and the present application does not limit the number of battery modules 110 in one battery pack 100.

In detail, the battery pack 100 includes a plurality of battery modules 110, and the plurality of battery modules 110 are connected and fixed by a fixing bracket 200.

In the embodiment of the present application, the fixing bracket 200 may have various embodiments. Several embodiments in this example are described below by way of example.

Fig. 2 shows a schematic structural diagram of a first implementation of a fixing bracket 200 provided in the examples of the present application.

Referring to fig. 1 and fig. 2, in the present embodiment, the fixing bracket 200 includes a main body 210 and a connecting portion 220. The fixing bracket 200 includes three connection parts 220, and the three connection parts 220 are spaced apart along the extending direction of the main body 210. One connecting part 220 for connecting the adjacent two battery modules 110; in other words, a plurality of battery modules 110 and a plurality of connection parts 220 are sequentially arranged in the extending direction of the main body 210, and adjacent two battery modules 110 are connected by the connection part 220 therebetween.

In this embodiment, the fixing bracket 200 further includes a connector 202, and the connecting portion 220 is connected to the battery module 110 through the connector 202; in the present embodiment, the connection member 202 is a bolt, and the connection portion 220 is connected to the battery module 110 by the bolt. It is understood that, in other embodiments of the present application, the connection member 202 may be a screw, a rivet, or the like, and the connection part 220 may be connected to the battery module 110 by the screw, the rivet, or the like.

It should be noted that in other embodiments of the present application, the fixing bracket 200 may not be provided with the connecting member 202. For example, the connection part 220 is provided with two connection holes for connecting with the adjacent battery modules 110, respectively; further, the battery module 110 is provided with connection posts, and the connection of the connection part 220 and the battery module 110 is achieved by the connection posts passing through the connection holes and then welding.

It is understood that in other embodiments of the present application, the connection part 220 may be connected to the battery module 110 in other manners, such as clamping.

In the present embodiment, the connecting portion 220 is integrally formed with the main body 210, and it is understood that in other embodiments of the present application, the connecting portion 220 and the main body 210 may also be connected by welding or the like.

In the present application, the connection part 220 is connected to the main body 210, two adjacent battery modules 110 are connected to one connection part 220, the plurality of connection parts 220 on the main body 210 can limit the deviation of the battery modules 110, and the connection parts 220 connect the two adjacent battery modules 110; the movement of the battery module 110 is limited, and a better limiting effect is achieved.

In the embodiment shown in fig. 2, the opposite ends of the body 210 are provided with fixing parts 230; the two fixing portions 230 are respectively used to connect the two battery modules 110 located at both ends. In other words, the plurality of battery modules 110 are sequentially arranged with one battery module 110 at each of both ends in the direction in which the plurality of battery modules 110 are arranged, one fixing part 230 is connected to the battery module 110 at one end, and the other fixing part 230 is connected to the battery module 110 at the other end.

In the present embodiment, the fixing part 230 is connected to the end of the battery module 110. In other words, the fixing part 230 is connected to the end of the battery module 110 away from the remaining battery modules 110. Accordingly, the fixing part 230 may be coupled to the battery module 110 in the same manner as the coupling part 220 is coupled to the battery module 110, such as by bolting, clamping, or welding.

The fixing parts 230 are connected with the battery modules 110 positioned at the ends, and the fixing parts 230 are matched with the main body 210 to limit the battery modules 110 positioned at the two ends from deviating from the extending direction of the main body 210; the limit effect of the fixing bracket 200 on the plurality of battery modules 110 is improved.

It is understood that in other embodiments of the present application, one fixing bracket 200 may include only one fixing portion 230, and the fixing portion 230 is disposed at any section of the main body 210. In addition, in the present application, the end of the main body 210 does not merely refer to the top end of the main body 210 in the longitudinal direction, and may have a certain position with the top end of the frame 210 in the longitudinal direction.

It should be noted that in other embodiments of the first embodiment shown in fig. 2, the fixing bracket 200 may include two, three, five, etc. connecting portions 220. The number of the connection parts 220 is set according to the number of the battery modules 110 included in the battery pack 100, and the number of the connection parts 220 is not limited in the present application.

Fig. 3 shows a schematic structural diagram of a second implementation of the fixing bracket 200 provided in the embodiment of the present application.

Referring to fig. 2 and 3, compared to the first embodiment shown in fig. 2, in the second embodiment, the fixing bracket 200 is not provided with the fixing portion 230. The fixing bracket 200 includes a main body 210 and a connecting portion 220, and the connecting portion 220 is disposed at the main body 210 at an interval.

In detail, in the second embodiment, both ends in the length direction of the main body 210 may have the setting connection parts 220; the connection portion 220 may not be provided. In other words, along the length direction of the main body 210, the first connecting portion 220 may be located at the end of the main body 210, or may have a certain distance from the end of the main body 210; accordingly, the last connecting portion 220 may be located at an end of the main body 210 along the length direction of the main body 210, or may be located at a distance from the end of the main body 210.

Accordingly, the present application also does not limit the number of the connection parts 220 in the embodiment shown in fig. 3.

The second embodiment shown in fig. 3 restrains the respective battery modules 110 by the main body 210, can prevent the battery modules 110 from being deviated, and can achieve a positioning function between the battery modules 110 by connecting the adjacent two battery modules 110 by the connection parts 220.

Fig. 4 shows a schematic structural diagram of a third embodiment of a fixing bracket 200 provided in the examples of the present application.

Referring to fig. 4, in the third embodiment shown in fig. 4, the fixing bracket 200 includes a connecting portion 220 and two fixing portions 230; the fixing bracket 200 may serve to restrain the two battery modules 110.

In detail, in the third embodiment shown in fig. 4, the fixing bracket 200 includes a main body 210, one connecting portion 220 and two fixing portions 230, the one connecting portion 220 and the two fixing portions 230 are both connected to the main body 210, the two fixing portions 230 are disposed at both ends of the main body 210, and the connecting portion 220 is disposed at the middle of the main body 210. The connection manner of the fixing portion 230, the connecting portion 220 and the main body 210 can adopt the manner shown in the first embodiment, and will not be described herein again.

Two battery modules 110 are arranged in the extending direction of the main body 210, the connecting part 220 connects the adjacent two battery modules 110, and one fixing part 230 is connected with one battery module 110. So as to restrain the battery modules 110 and prevent the two battery modules 110 from shifting.

In the embodiment shown in fig. 4, the main body 210 may restrain two battery modules 110 to prevent the two battery modules 110 from shifting, and the connecting portion 220 connects two adjacent battery modules 110 to achieve a limiting effect.

Referring to fig. 2-4, in the embodiment of fig. 2-4, the connecting portion 220 and the main body 210 are rigid members; the main body 210 is a long strip-shaped thin plate, the connecting portions 220 are rectangular thin plates, and two adjacent battery modules 110 are connected to the rectangular thin plates. The connecting part 220 is connected with the edge of the main body 210, and the included angle between the main body 210 and the connecting part 220 is approximately a right angle; the main body 210 is attached to the side wall of the battery module 110, and the connection part 220 is attached to the upper surface of the battery module 110.

In other embodiments of the present application, the main body 210 may have other shapes, such as a bar shape, a circular bar shape, etc., and the connection portion 220 may be connected to a middle portion of the main body 210. It should be noted that, in other embodiments of the present application, the shape and structure of the main body 210 are not limited. The embodiment of the present application does not limit the shape and size of the connection part 220, and may be provided according to the material and the space and distance between two adjacent battery modules 110, for example, in the shape shown in fig. 5.

Fig. 5 is a schematic structural diagram of another connection portion 220 provided in an embodiment of the present application; referring to fig. 5, the end of the connection part 220 connected to the main body 210 is narrower, and the end of the connection part 220 connected to the battery module 110 is wider.

In other embodiments of the present application, the shape of the connecting portion 220 is not limited to the above shape; accordingly, the connection relationship between the connection part 220 and the battery module 110 may be a direct connection or an indirect connection. The connection part 220 abuts against and is connected to the battery module 110, so that the connection part 220 is prevented from forming a large space with respect to the battery module 110, thereby increasing the weight and volume of the battery pack 100.

The fixing bracket 200 provided by the embodiment of the application has at least the following advantages:

the fixing bracket 200 restricts the battery modules 110 from deviating from the main body 210 by the main body 210, thereby preventing the battery modules 110 from deviating and dislocating. The connection part 220 connects two adjacent battery modules 110, so that the battery modules 110 are restrained from moving relative to each other.

For the embodiment in which the fixing part 230 is provided, the fixing part 230 and the main body 210 cooperate to restrain the two battery modules 110 located at both ends of the battery pack 100; the battery modules 110 at both ends are prevented from being turned over.

Accordingly, the battery pack 100 provided by the embodiment of the present application has all the advantages of the fixing bracket 200.

The fixing bracket 200 is used to connect the plurality of battery modules 110, so that the plurality of battery modules 110 in the battery pack 100 are arranged in order.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The battery module fixing support is characterized in that the battery module fixing support is used for connecting a plurality of battery modules;

the battery module fixing bracket comprises a main body and a plurality of connecting parts connected to the main body, wherein the connecting parts are arranged at intervals along the extension direction of the main body;

and two ends of one connecting part are respectively used for connecting two adjacent battery modules.

2. The battery module fixing bracket according to claim 1, wherein a plurality of the connecting portions are provided at the same end of the main body, the connecting portions having surfaces for abutting against two adjacent battery modules.

3. The battery module fixing bracket according to claim 1, wherein one of the connecting portions is provided with two connecting holes for connecting adjacent two of the battery modules, respectively.

4. The battery module fixing bracket according to claim 1, wherein fixing portions are provided at opposite ends of the main body;

the two fixing parts are respectively used for being connected with the two battery modules positioned at the two ends.

5. The battery module fixing bracket according to any one of claims 1 to 4, wherein the connecting portion is integrally formed with the main body.

6. The battery module fixing bracket according to any one of claims 1 to 4, further comprising a connecting member for connecting the battery module and the connecting portion.

7. The battery module fixing bracket according to claim 6, wherein the connecting member is a bolt or a screw.

8. The battery module fixing support is characterized in that the battery module fixing support is used for connecting a plurality of battery modules;

the battery module fixing bracket comprises a main body, a connecting part and two fixing parts; the connecting part is connected to the main body, and the two fixing parts are respectively arranged at two opposite ends of the main body;

the connecting part is used for connecting two adjacent battery modules;

9. A battery pack comprising a plurality of battery modules and the battery module fixing bracket according to any one of claims 1 to 8;

10. The battery pack according to claim 9, wherein the side walls of the battery modules abut against the main body.