CN210723156U

CN210723156U - Battery module, battery package and vehicle

Info

Publication number: CN210723156U
Application number: CN201921917390.3U
Authority: CN
Inventors: 张野; 张佳佳; 单小林; 唐丽娟
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-09
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a battery module, battery package and vehicle, wherein the battery module includes: module body, module end plate and ribbon. The module end plate is arranged at the end part of the module body, and a limiting cavity is formed on the module end plate; the ribbon encircles the module body sets up, just the ribbon is suitable for passing spacing cavity is in order to with the module end plate is tightened up on the module body. This battery module is through making the ribbon pass the spacing cavity that forms on the module end plate to make the ribbon can not break away from each other with the module end plate, with avoid the ribbon to deviate from the module end plate when battery module inflation and recovery, and then guarantee that the ribbon can be stable tighten the module end plate on the module body, with the stability of guaranteeing the battery module.

Description

Battery module, battery package and vehicle

Technical Field

The utility model relates to a vehicle technical field particularly, relates to a battery module, battery package and vehicle.

Background

The expansion and the recovery of module body can take place for the battery module of tradition adoption ribbon tightening module end plate on the module body under charge-discharge or other circumstances, and the ribbon easily comes off the module end plate at this in-process, leads to the module end plate to drop from the battery module, influences the stability of battery module, exists and improves the space.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a battery module, which has better stability.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a battery module, comprising: a module body; the module end plate is arranged at the end part of the module body, and a limiting cavity is formed on the module end plate; the ribbon encircles the module body sets up, just the ribbon is suitable for to pass spacing cavity is in order to incite somebody to action the module end plate is tightened up on the module body.

Furthermore, the limiting cavity penetrates through the two transverse ends of the module end plate.

Furthermore, the limiting cavities are multiple and extend transversely.

Further, the module end plate includes: the limiting cavity is formed between the inner wall and the outer wall, a buffering fillet is formed at the end part of the inner wall, and the buffering fillet is opposite to the limiting cavity.

Furthermore, a longitudinal reinforcing structure is arranged in the module end plate.

Further, the module end plate is vertically provided with a mounting hole, and the longitudinal reinforcing structure is arranged in the mounting hole.

Further, the longitudinal reinforcing structure includes: strengthen bush and spacing flange, spacing flange sets up the one end of strengthening the bush, strengthen the bush and be suitable for to stretch into in the mounting hole, spacing flange be suitable for with the upper wall of module end plate ends.

Further, the width of the longitudinal section of the limiting cavity is not smaller than the width of the cable tie.

Compared with the prior art, battery module have following advantage:

battery module, this battery module is through making the ribbon pass the spacing cavity that forms on the module end plate to make the ribbon can not break away from each other with the module end plate, with avoid the ribbon to deviate from the module end plate when battery module inflation and resume, and then guarantee that the ribbon can be stable tighten the module end plate on the module body, with the stability of guaranteeing the battery module.

Another object of the present invention is to provide a battery pack, including the above battery module, the stability of the battery pack is better.

Another object of the present invention is to provide a vehicle, including the above-mentioned battery pack, the stability of the battery pack of this vehicle is better.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a battery module according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a module end plate according to an embodiment of the present invention;

fig. 4 is a partial exploded view of a battery module according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a module end plate according to an embodiment of the present invention.

Description of reference numerals:

100-battery module, 1-module body, 2-module end plate, 21-limiting cavity, 3-ribbon, 22-inner wall, 23-outer wall, 221-buffer fillet, 4-longitudinal reinforcing structure, 24-mounting hole, 41-reinforcing bush, 42-limiting flange and 5-rivet nut.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

A battery module 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

According to the utility model discloses battery module 100 can include: module body 1, module end plate 2 and ribbon 3.

As shown in fig. 1 and 2, the module body 1 is formed by arranging a plurality of battery cells, and the module end plate 2 is disposed at an end of the module body 1 so as to fasten the battery module 100 in a battery pack and protect the module body 1, wherein a limiting cavity 21 is formed on the module end plate 2, and the limiting cavity 21 is a cavity structure formed on the module end plate 2 and opened at two ends and can be used for being matched with other members so as to limit the arrangement position of the module end plate 2. The whole module end plate 2 can be processed by adopting an extrusion forming processing technology, and the limit cavity 21 can also be extruded and formed on the module end plate 2.

Further, the band 3 is arranged around the module body 1 so as to tighten the module end plate 2 on the module body 1, and the band 3 is adapted to pass through the limiting cavity 21 so as to tighten the module end plate 2 on the module body 1. The spacing cooperation through ribbon 3 and spacing cavity 21 is tight on module body 1 with tightening that module end plate 2 is stable promptly, wherein, because ribbon 3 passes in spacing cavity 21, consequently, ribbon 3 will not break away from each other with module end plate 2, and then guaranteed that ribbon 3 can not deviate from module end plate 2 when battery module 100 inflation with resume, so that ribbon 3 can be stable tighten module end plate 2 on module body 1, in order to avoid module end plate 2 to break away from module body 1, thereby battery module 100's stability has been guaranteed.

According to the utility model discloses battery module 100, this battery module 100 is through making ribbon 3 pass the spacing cavity 21 that forms on the module end plate 2 to make ribbon 3 can not break away from each other with module end plate 2, with avoid ribbon 3 to deviate from module end plate 2 when battery module 100 inflation and resume, and then guarantee that ribbon 3 can be stable tighten module end plate 2 on module body 1, with the stability of guaranteeing battery module 100.

In connection with the embodiment shown in fig. 1-5, a restraining cavity 21 extends through both lateral ends of the module end plate 2. That is, the two end ports of the spacing cavity 21 are formed at the lateral ends of the module end plates 2, wherein the straps 3 are adapted to be inserted from one end openings of the module end plates 2 and to be inserted from the other end openings of the module end plates 2, so that the straps 3 can be disposed around the battery module 100 to stably tighten the module end plates 2 on the module body 1.

Further, spacing cavity 21 is a plurality of, and a plurality of spacing cavity 21 are respectively along horizontal extension, and a plurality of spacing cavity 21 are all horizontal extension and parallel arrangement promptly. From this, can make the ribbon 3 can be straight pass spacing cavity 21 to guarantee ribbon 3 and spacing cavity 21's cooperation effect and ribbon 3 to the holistic power of tightening of group's end plate 2, and then guaranteed battery module 100 set up stability.

As shown in fig. 1 to 4, the module end plate 2 includes: inner wall 22 and outer wall 23, inner wall 22 is a lateral wall that is close to module body 1 of module end plate 2, and outer wall 23 is a lateral wall of keeping away from module body 1 of module end plate 2, wherein, spacing cavity 21 forms between inner wall 22 and outer wall 23, so that spacing cavity 21 can be fine with the spacing cooperation of ribbon 3, the tip of inner wall 22 is formed with buffering fillet 221, and buffering fillet 221 is just right with spacing cavity 21, consequently protection ribbon 3 that can be fine. Because ribbon 3 is wearing out spacing cavity 21 when tightening whole module body 1, ribbon 3 is suitable for the tip contact with inner wall 22, and both ends department at inner wall 22 sets up buffering fillet 221, so that buffering fillet 221 contacts with ribbon 3, can prevent effectively that ribbon 3 from tightening battery module 100 or the bloated in-process of battery module 100, the edge of the tip of inner wall 22 cuts ribbon 3, and then can effectively reduce the friction of module end plate 2 to ribbon 3, guaranteed that ribbon 3 can not appear damaging, in order to guarantee battery module 100's life and stability.

Referring to fig. 1-4, the module end plate 2 as a whole may be formed in an approximately trapezoidal configuration, i.e., the length of the outer wall 23 is less than the length of the inner wall 22. Therefore, an effective avoiding effect can be achieved, so that the tool for avoiding the buffer fillet 221 on the processing inner wall 22 can be used, and the processing of the buffer fillet 221 can be more convenient.

In connection with the embodiment shown in fig. 1-5, longitudinal reinforcement structures 4 are provided in the module end plates 2. Since the module end plate 2 is provided with the limiting cavity 21 in the transverse direction, the strength of the whole module end plate 2 in the longitudinal direction (thickness direction) is reduced, and a longitudinal reinforcing structure 4 is arranged in the module end plate 2 to reinforce the longitudinal strength of the module end plate 2. From this, can make bearing that module end plate 2 can be better come from fore-and-aft effort to avoid being extruded when electric core inflation and taking place great deformation, and then guaranteed battery module 100's stability.

Further, as shown in fig. 4 and 5, the module end plate 2 is vertically provided with a mounting hole 24, and the longitudinal reinforcing structure 4 can be vertically inserted into the mounting hole 24 to effectively increase the overall longitudinal strength of the module end plate 2, so as to ensure the stability of the module end plate 2 and the overall stability of the battery module 100.

Still further, with reference to fig. 1-5, the longitudinal reinforcing structure 4 comprises: strengthen bush 41 and spacing flange 42, spacing flange 42 sets up the one end at strengthening bush 41, and wherein, strengthen bush 41 and be suitable for stretching into mounting hole 24 in to play effectual reinforcing effect, and spacing flange 42 is suitable for and ends with the upper wall of module end plate 2, in order to play effectual limiting effect, breaks away from out in order to avoid strengthening bush 41 from mounting hole 24.

Wherein the fastening bolts are adapted to pass through the reinforcing bushing 41 to fasten the battery module 100 within the battery pack. Because be provided with along the spacing cavity 21 of horizontal extension on the module end plate 2, consequently can not bear the moment of torsion that traditional module end plate 2 wore to establish fastening bolt, make fastening bolt installation moment of torsion can not attenuate through setting up reinforcing bush 41 to make fastening bolt's installation moment of torsion obtain guaranteeing, thereby remedied the not enough problem of moment of torsion that spacing cavity 21 brought, increased the installation reliability.

Wherein, strengthen bush 41 and can be the cylinder bush, and mounting hole 24 can be the round hole, strengthen bush 41 and can carry out interference fit with mounting hole 24 to guarantee installation complex stability.

It will be appreciated that the reinforcing bush 41 can pass vertically through the restraining cavity 21, but the cross-sectional width of the reinforcing bush 41 is smaller than the cross-sectional width of the restraining cavity 21, and the thickness of the band 3 is thinner, so that the arrangement of the reinforcing bush 41 does not affect the passage of the band 3 through the restraining cavity 21, i.e. the reinforcing bush 41 does not adversely affect the arrangement of the band 3. But not limited thereto, the reinforcing bush 41 may not pass through the limiting cavity 21, and the effect of increasing the longitudinal strength of the module end plate 2 can also be achieved.

As shown in fig. 1 to 5, the module end plate 2 is further provided with a rivet nut 5, and the rivet nut 5 is used for connecting with the double-layer module bracket to mount the upper-layer battery module 100, which is a connection of the double-layer battery module 100. Specifically, the installer is adapted to use the fastening bolt to pass through the double-layered module bracket to be fastened in cooperation with the rivet nut 5 on the lower-layered battery module 100, to connect the double-layered module bracket to the lower-layered battery module 100, and then fasten the upper-layered battery module 100 to the double-layered module bracket, thereby completing the assembly of the double-layered battery module 100.

According to some embodiments of the invention, the longitudinal section width of the limiting cavity 21 is not less than the width of the band 3. From this, be more convenient for ribbon 3 to pass spacing cavity 21 to in ribbon 3 and spacing cooperation of spacing cavity 21, avoid causing the damage to ribbon 3, and then guaranteed battery module 100's stability.

According to another aspect of the present invention, a battery pack includes the battery module 100. The stability of this battery package is better.

According to another aspect embodiment of the present invention, a vehicle includes the battery pack described in the above embodiments. Other configurations of the vehicle, such as transmissions, braking systems, steering systems, etc., are known in the art and well known to those skilled in the art, and therefore will not be described in detail herein.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery module (100), comprising:

a module body (1);

the module end plate (2), the module end plate (2) is arranged at the end part of the module body (1), and a limiting cavity (21) is formed on the module end plate (2);

the cable tie (3), cable tie (3) encircle module body (1) sets up, just cable tie (3) are suitable for passing spacing cavity (21) is in order to with module end plate (2) tighten is in on module body (1).

2. The battery module (100) according to claim 1, wherein the restraining cavities (21) extend through both lateral ends of the module end plate (2).

3. The battery module (100) according to claim 2, wherein the stopper cavity (21) is plural, and the plural stopper cavities (21) extend in the lateral direction, respectively.

4. The battery module (100) according to claim 1, wherein the module end plate (2) comprises: inner wall (22) and outer wall (23), spacing cavity (21) form inner wall (22) with between outer wall (23), the tip of inner wall (22) is formed with buffering fillet (221), buffering fillet (221) with spacing cavity (21) just right.

5. The battery module (100) according to claim 1, wherein a longitudinal reinforcement structure (4) is provided in the module end plate (2).

6. The battery module (100) according to claim 5, wherein the module end plate (2) is vertically opened with a mounting hole (24), and the longitudinal reinforcing structure (4) is disposed in the mounting hole (24).

7. The battery module (100) according to claim 6, wherein the longitudinal reinforcing structure (4) comprises: strengthen bush (41) and spacing flange (42), spacing flange (42) set up strengthen the one end of bush (41), strengthen bush (41) be suitable for stretch into in mounting hole (24), spacing flange (42) be suitable for with the upper wall of module end plate (2) is stopped.

8. The battery module (100) according to claim 1, wherein the longitudinal cross-sectional width of the restraining cavity (21) is not less than the width of the tie (3).

9. A battery pack, characterized by comprising the battery module (100) according to any one of claims 1 to 8.

10. A vehicle characterized by comprising the battery pack according to claim 9.