Hand buckling isolation plate for power battery

By designing the power battery opponent snap-fit ​​isolation plate, the fastening structure of PC parts made of blister process, the raised mushroom head and depression snap-fit ​​position is solved, and the problem of short circuit of battery cells in the power battery module is achieved. Effective protection of the battery pack and extended service life.

CN222507936UActive Publication Date: 2025-02-18宁德聚能动力电源系统技术有限公司
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Patent Information

Application Number
CN202420297098.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-18
Publication Date
2025-02-18
Estimated Expiration
2034-02-18

AI Technical Summary

Technical Problem

In the power battery module, multiple battery cells are prone to oxidation short circuit of copper ba aluminum ba after welding, resulting in a shortening of the service life of the battery pack.

Method used

A power battery counterpart buckle isolation plate is designed, including an insulating cover, an isolation plate, a raised mushroom head, a copper-ba aluminum-ba installation position and a depression buckle position. PC parts made by blister process use a raised mushroom head The buckle structure with the recessed buckle position protects the battery module and avoids short circuits.

Benefits of technology

It effectively avoids the problem of short circuit after welding of battery cells, extends the service life of the battery pack, has good use effect and strong practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hand buckling isolation plate for a power battery, and relates to the technical field of power battery modules. Comprising an insulation cover, an isolation plate, protruding mushroom heads, copper bar and aluminum bar installation positions and concave buckle positions, the insulation cover is provided with a plurality of concave buckle positions, the isolation plate is provided with the protruding mushroom heads buckled with the concave buckle positions, and the isolation plate is further provided with the copper bar and aluminum bar installation positions. The battery protection device is reasonable in structural design, capable of protecting the battery monomers and avoiding short circuit caused by welding of a plurality of battery monomers, good in use effect and high in practicability.
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Description

Technical Field

[0001] The utility model relates to the technical field of power battery modules, in particular to a hand-fastened isolation plate of a power battery. Background Art

[0002] After the power battery module is grouped, multiple single cells are strung together into a large-capacity battery pack. The battery cells are connected by copper-aluminum welding. The connected copper-aluminum bars are easily oxidized and short-circuited. Therefore, the utility model designs a pair of buckled isolation plates to solve the short-circuit problem. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a power battery hand-fastened isolation plate, which has a reasonable structural design, can protect battery cells, avoid short circuits caused by welding multiple battery cells, has good use effect, and is highly practical.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a power battery hand-fastened isolation plate, including an insulating cover, an isolation plate, a raised mushroom head, copper bar and aluminum bar mounting positions and a recessed buckle position, the insulating cover is provided with a plurality of recessed buckle positions, the isolation plate is provided with a raised mushroom head that is fastened with the recessed buckle positions, and the isolation plate is also provided with copper bar and aluminum bar mounting positions.

[0005] Preferably, the insulating cover and the isolation plate are both PC parts made by the vacuum forming process.

[0006] Preferably, the thickness of the insulating cover and the isolation plate is 0.5 mm.

[0007] The beneficial effects of the utility model: the utility model has a reasonable structural design, and the battery module is protected by buckling the insulating cover and the isolation plate to avoid short circuit caused by welding of multiple battery cells. The utility model has good use effect and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0009] Figure 1 This is a schematic diagram of the insulation cover structure of the utility model;

[0010] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0011] Figure 3 It is a structural schematic diagram of the isolation board of the utility model;

[0012] Figure 4 for Figure 3 An enlarged schematic diagram of part B. DETAILED DESCRIPTION

[0013] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0014] Reference Figure 1-4 The present specific implementation adopts the following technical scheme: a power battery hand-fastened isolation plate, comprising an insulating cover 1, an isolation plate 2, a protruding mushroom head 3, a recessed buckle position 4 and a copper bar and aluminum bar mounting position 5, the insulating cover 1 is provided with a plurality of recessed buckle positions 4, the isolation plate 2 is provided with a protruding mushroom head 3 that is fastened with the recessed buckle position 4, and the isolation plate 2 is also provided with a copper bar and aluminum bar mounting position 5.

[0015] It is worth noting that the insulating cover 1 and the isolation plate 2 are both PC parts made by the vacuum forming process.

[0016] In addition, the thickness of the insulating cover 1 and the isolation plate 2 is 0.5 mm.

[0017] The buckle isolation plate of the hand piece in this specific implementation method is composed of two parts: an insulating cover and an isolation plate. Both are made of the best PC material using a blister process. Since the battery module is lightweight, the thickness of the isolation plate and the insulation cover is only 0.5mm. The isolation plate is provided with a raised mushroom head buckle, and the insulation cover is provided with a recessed buckle position. The isolation plate and the insulation cover are buckled together to protect the entire battery module; the pull-out force of the recessed buckle position 4 and the raised mushroom head 3 after buckling is not less than 20N.

[0018] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A power battery hand-fastening isolation plate, characterized in that: The invention comprises an insulating cover (1), an isolation plate (2), a protruding mushroom head (3), a recessed buckle position (4) and a copper bar or aluminum bar installation position (5); the insulating cover (1) is provided with a plurality of recessed buckle positions (4); the isolation plate (2) is provided with a protruding mushroom head (3) that is engaged with the recessed buckle positions (4); and the isolation plate (2) is also provided with a copper bar or aluminum bar installation position (5).

2. A power battery hand-fastening isolation plate according to claim 1, characterized in that: The insulating cover (1) and the isolation plate (2) are both PC parts made by the vacuum forming process.

3. A power battery hand-fastening isolation plate according to claim 1, characterized in that: The thickness of the insulating cover (1) and the isolation plate (2) is 0.5 mm.