CN216354493U

CN216354493U - Lithium battery module curb plate structure

Info

Publication number: CN216354493U
Application number: CN202122241062.XU
Authority: CN
Inventors: 刘斯顺; 郭锋
Original assignee: Zhejiang Narada Power Source Co Ltd; Hangzhou Nandu Power Technology Co Ltd
Current assignee: Zhejiang Narada Power Source Co Ltd; Hangzhou Nandu Power Technology Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-19
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a side plate structure of a lithium battery module, which comprises a supporting plate, a side plate and an insulating cover, wherein end plate connecting plates are respectively arranged at two ends of the side plate, the supporting plate and the side plate are integrally formed, and the insulating cover is connected to the side plate through a connecting structure. Aiming at the technical problems of complicated assembling steps and high production cost of the existing side plate structure, the utility model provides the side plate structure of the lithium battery module, which can greatly save the production cost, is simple in manufacturing procedure and is suitable for various assembling processes.

Description

Lithium battery module curb plate structure

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a side plate structure of a lithium battery module.

Background

The battery module is used as a power core component of systems such as a power battery system, an energy storage system, a communication system, a civil system and the like, the importance of the electrical property and the safety of the battery module is self-evident, the battery module is a core module of the power battery system, the energy storage system, the communication system and the civil system, and the grouping mode and the electrical property of the battery cells directly influence the performance of the power battery system, the energy storage system, the communication system and the civil system.

For battery system, the battery module of lithium electricity has advantages such as the performance is good, small, light in weight, and aluminium shell electricity core security is good very much, the energy is big, compatible strong, to the battery module that aluminium shell electricity core combination formed, the group mode of battery module is especially important, and the box of battery module includes curb plate and end plate, and the curb plate is in the same place by a plurality of plate body concatenations usually, leads to the equipment step loaded down with trivial details, and manufacturing cost is higher.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Aiming at the technical problems of complicated assembling steps and high production cost of the existing side plate structure, the utility model provides the side plate structure of the lithium battery module, which can greatly save the production cost, is simple in manufacturing procedure and is suitable for various assembling processes.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides a lithium battery module curb plate structure, includes layer board, curb plate and insulating lid, the both ends of curb plate are equipped with the end plate connecting plate respectively, layer board and curb plate integrated into one piece, insulating lid passes through connection structure and connects on the curb plate.

Optionally, the connecting structure includes a connecting edge disposed on the top of the side plate, and a connecting groove disposed on the insulating cover and matching with the connecting edge.

Optionally, the inner wall of the connecting groove is provided with a limiting convex edge, and the connecting edge is provided with a limiting groove matched with the limiting convex edge.

Optionally, the end plate connecting plate and the side plate are in a 90-degree bending structure.

Optionally, a plurality of mounting holes for connecting the end plates are formed in the end plate connecting plate.

Optionally, a plurality of positioning holes are formed in the supporting plate.

Optionally, a plurality of reinforcing ribs are arranged on the insulating cover.

Optionally, the insulating cover is made of one of ABS, PP, and PE.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) the side plate structure of the lithium battery module can greatly save production cost, is simple in manufacturing procedure, is suitable for various assembly processes, and is split in a manner that the problems of separation of the supporting plate from the battery cell, a supporting plate processing process and the like need to be considered; and the insulation board is directly and skillfully matched by depending on the side plate structure without considering the fixation of the insulation board and related structures.

Drawings

Fig. 1 is a schematic structural diagram of a side plate structure of a lithium battery module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a connection structure in a side plate structure of a lithium battery module according to an embodiment of the present invention;

1. a support plate; 2. a side plate; 3. an insulating cover; 4. an end plate connecting plate; 5. a connecting edge; 6. connecting grooves; 7. a limiting convex edge; 8. a limiting groove; 9. mounting holes; 10. positioning holes; 11. and (5) reinforcing ribs.

Detailed Description

For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings 1-2.

Combine attached figure 1 and 2, the lithium cell module curb plate structure of this embodiment, including layer board 1, curb plate 2 and insulating cover 3, the bottom is located to layer board 1, insulating cover 3 protection personnel contact conductor and protection metal foreign matter get into, curb plate 2 sets up at layer board 1's bilateral symmetry, insulating cover 3 passes through connection structure and connects on curb plate 2, the both ends of curb plate 2 are equipped with end plate connecting plate 4 respectively, and this lithium cell module curb plate structure and the fixed module of end plate cooperation, layer board 1 and 2 integrated into one piece of curb plate, integrated into one piece's mode can be through integrative stamping forming, about the conventional 0.5-5mm of panel thickness, satisfy rigidity needs also to have certain toughness promptly, insulating cover 3 passes through connection structure and connects on curb plate 2.

The side plate structure of the lithium battery module can greatly save production cost, is simple in manufacturing procedure, is suitable for various assembly processes, and is split in a manner that the problems of separation of the supporting plate from the battery cell, a supporting plate processing process and the like need to be considered; and the insulation board is directly and skillfully matched by depending on the side plate structure without considering the fixation of the insulation board and related structures.

As an alternative of the utility model, the connecting structure comprises a connecting edge 5 arranged on the top of the side plate 2 and a connecting groove 6 arranged on the insulating cover 3 and matched with the connecting edge 5, a limit convex edge 7 is arranged on the inner wall of the connecting groove 6, a limit groove 8 matched with the limit convex edge 7 is arranged on the connecting edge 5, the connecting groove 6, the limit convex edge 7 and the limit groove 8 all extend along the length direction of the side plate 2, the limit convex edge 7 and the limit groove 8 are in interference fit, the rigidity and the toughness of the side plate 2 are utilized in installation, the top of the side plate 2 is properly compressed on one side, the connecting edge 5, the connecting groove 6, the limit convex edge 7 and the limit groove 8 are matched together, the matched side plate 2 is fully hung on the insulating cover 3, and the pressure is released outwards due to the rigidity and the toughness of the side plate 2, and the insulating cover 3 is bent inwards in a limit structure mode, the side plates 2 are fully restrained by bending the side plates and the insulating cover 3, the side plates 2 cannot be separated from each other left and right and up and down, and in addition, under the condition of no external force, the insulating cover 3 is installed on the insulating cover 3 by inwards compressing the side plates 2, so that the rigidity and toughness of the side plates 2 release the external pressure to form a matching friction force, and the insulating cover 3 cannot be separated from the front and the back; above-mentioned connection structure utilizes structural feature to satisfy operating condition, and the cost of manufacture that significantly reduces makes insulating cover 3 install more portably.

As an alternative of the utility model, the end plate connecting plate 4 and the side plate 2 are in a 90-degree bending structure, a plurality of mounting holes 9 for connecting end plates are arranged on the end plate connecting plate 4, and the end plates can be connected with the mounting holes 9 in a screw connection mode in a matching manner.

As an alternative of the utility model, a plurality of positioning holes 10 are arranged on the supporting plate 1 so as to position the connecting position of the supporting plate and the case, and the supporting plate is more suitable for mass production.

As an alternative of the present invention, in order to improve the strength of the insulating cover 3 itself and avoid the insulating cover from being bent under pressure, the insulating cover 3 is provided with a plurality of reinforcing ribs 11.

As an alternative of the present invention, the material of the insulating cover 3 is one of ABS, PP, and PE, but the material of the insulating cover 3 may be other existing insulating materials.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The utility model provides a lithium battery module curb plate structure which characterized in that: the insulation cover is connected to the side plate through a connecting structure.

2. The lithium battery module side plate structure of claim 1, wherein: the connecting structure comprises a connecting edge arranged at the top of the side plate and a connecting groove which is arranged on the insulating cover and matched with the connecting edge.

3. The lithium battery module side plate structure of claim 2, wherein: the inner wall of the connecting groove is provided with a limiting convex edge, and the connecting edge is provided with a limiting groove matched with the limiting convex edge.

4. The lithium battery module side plate structure of claim 1, wherein: the end plate connecting plate and the side plate are of a 90-degree bending structure.

5. The lithium battery module side plate structure of claim 4, wherein: and the end plate connecting plate is provided with a plurality of mounting holes for connecting the end plates.

6. The lithium battery module side plate structure of claim 1, wherein: the supporting plate is provided with a plurality of positioning holes for the case.

7. The lithium battery module side plate structure of claim 1, wherein: and the insulating cover is provided with a plurality of reinforcing ribs.

8. The lithium battery module side plate structure of claim 1, wherein: the insulating cover is made of one of ABS, PP and PE.