Novel energy storage battery module end plate

By combining sheet metal structure design with buffer components, the adaptability and protection issues of the end plate of the energy storage battery module are solved, achieving multi-scenario adaptability and extending the safety of individual battery cells.

CN223941917UActive Publication Date: 2026-02-24GUANGDONG UBET TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520155835.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-02-24
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Existing energy storage battery module endplate processes are complex and expensive, leading to supplier lock-in, difficulty in adapting to various application scenarios and protecting individual battery cells, severe damage from battery expansion force, and short service life.

Method used

It adopts a sheet metal structure design, combined with limit blocks, bolt fixing holes, buffer components, etc., to achieve multi-directional fixation and buffering, adapting to a variety of application scenarios. The silicone foam buffer component absorbs the battery expansion force and protects the battery cells.

Benefits of technology

It achieves multi-scenario adaptability and battery protection, extends the service life of the battery module endplate, and improves the safety and stability of individual battery cells.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel energy storage battery module end plate which comprises an end plate main body, the end plate main body is provided with a first slot, a limiting block is fixedly connected in the first slot, the upper surface of the end plate main body is provided with two transverse bolt fixing holes, and the outer surface of the end plate main body is provided with longitudinal bolt fixing holes; a protection plate is fixedly connected to the rear surface of the end plate body, a second open groove is formed in the outer surface of the protection plate, and a first buffering piece and a second buffering piece are fixedly connected to the outer surface of the second open groove. Through the components, the module can be fixed from multiple directions, the module can be adapted to product structures in various application scenes, and the designed width and length can be adjusted according to different battery modules; the external impact and vibration are absorbed through the buffer piece, the expansive force generated during charging and discharging of the battery monomer is buffered, and the damage of the expansive force to the battery end plate is prevented, so that the protection of the battery end plate to the battery monomer is improved, and the service life of the device is prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of energy storage battery system module technology, and in particular to a novel energy storage battery module end plate. Background Technology

[0002] With the development of new energy vehicles and energy storage technology, the application of power batteries in the field of electric vehicles is becoming more and more widespread. The market prospects for energy storage batteries are good, but competition is becoming increasingly fierce. In energy storage battery modules, the end plate is a key component that must be assembled into the battery module. The production demand is large, but the end plates of conventional battery modules on the market generally adopt processes such as injection molding + inlay, aluminum profile extrusion + CNC, and die casting. These processes require special molds and are expensive. Once the mold is made, the supplier is deeply bound to the product, and if quality problems occur, the supply will be restricted. Summary of the Invention

[0003] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a novel energy storage battery module end plate. Through the cooperation of the end plate body, the first slot, the limiting block, the transverse bolt fixing hole, the longitudinal bolt fixing hole, the protective plate, the second slot, the first buffer and the second buffer, the module can be fixed from multiple directions, which can be adapted to various application scenarios and product structures. The design width and length can be adjusted according to different battery modules. The buffer can absorb external impacts and vibrations, and buffer the expansion force generated by the charging and discharging of the battery cells, preventing the expansion force from damaging the battery end plate, thereby improving the protection of the battery cells by the battery end plate and improving the service life of the device.

[0004] This utility model also provides a novel energy storage battery module end plate, comprising: an end plate body, the end plate body having a first slot, a limiting block fixedly connected within the first slot, two transverse bolt fixing holes on the upper surface of the end plate body, and longitudinal bolt fixing holes on the outer surface of the end plate body; a protective plate fixedly connected to the rear surface of the end plate body, a second slot on the outer surface of the protective plate, and a first buffer and a second buffer fixedly connected to the outer surface of the second slot. Through these components, the module can be fixed from multiple directions, adapting to various application scenarios and product structures. The design width and length can be adjusted according to different battery modules. The buffers can absorb external impacts and vibrations, buffering the expansion force generated during charging and discharging of individual battery cells, preventing damage to the battery end plate from the expansion force, thereby improving the protection of the battery cells by the battery end plate and extending the service life of the device.

[0005] According to the present invention, a novel energy storage battery module end plate has an opening on its upper surface, and an aluminum bar insulating post fixing nut is installed inside the opening. These components facilitate device stabilization.

[0006] According to the present invention, a novel energy storage battery module end plate is provided with four limiting buckles on the outer surface of the end plate body. These components facilitate the limiting of the plastic or steel strip, thereby securing the connection between the end plate body and the battery.

[0007] According to the present invention, a novel energy storage battery module end plate has two lifting holes on its outer surface, which facilitate lifting operations and allow for the movement of the end plate body and the battery.

[0008] According to the novel energy storage battery module end plate of this utility model, the first buffer member is circular in shape and is made of silicone foam. These components facilitate the buffering of the expansion force generated by the battery.

[0009] According to the present invention, in a novel energy storage battery module end plate, the second buffer is annular in shape and surrounds the first buffer. These components improve the buffering effect.

[0010] According to the present invention, a novel energy storage battery module end plate has a first buffer member and a second buffer member with the same thickness and a second slot depth. These components improve the buffering effect.

[0011] According to the present invention, in a novel energy storage battery module end plate, the two transverse bolt fixing holes and the longitudinal bolt fixing holes are symmetrically distributed. These components facilitate the fixing of the end plate body and the insertion of bolts. Beneficial effects

[0012] 1. Compared with existing technologies, this new type of energy storage battery module end plate, through the cooperation of the end plate body, the first slot, the limiting block, the horizontal bolt fixing hole and the vertical bolt fixing hole, can fix the module from multiple directions, can be adapted to the product structure of various application scenarios, and the design width and length can be adjusted according to different battery modules.

[0013] 2. Compared with the existing technology, the new energy storage battery module end plate, through the cooperation of the protective plate, the second slot, the first buffer and the second buffer, can absorb external impact and vibration, protect the battery from mechanical damage, extend the battery's service life, and buffer the expansion force generated during the charging and discharging of the battery cells, preventing the expansion force from damaging the battery end plate, thereby improving the protection of the battery cells by the battery end plate and increasing the service life of the device. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is an overall structural diagram of the novel energy storage battery module end plate of this utility model;

[0016] Figure 2 This is a bottom view of the end plate of the novel energy storage battery module of this utility model.

[0017] Figure 3 This is a rear view structural diagram of the novel energy storage battery module end plate of this utility model;

[0018] Figure 4 This is a side view of the end plate of the novel energy storage battery module of this utility model.

[0019] Legend:

[0020] 1. End plate body; 2. First slot; 3. Limiting block; 4. Horizontal bolt fixing hole; 5. Longitudinal bolt fixing hole; 6. Protective plate; 7. Second slot; 8. First buffer component; 9. Second buffer component; 10. Opening; 11. Aluminum bar insulating column fixing nut; 12. Limiting buckle; 13. Lifting hole. Detailed Implementation

[0021] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0022] Reference Figure 1 , Figure 2 and Figure 4 This utility model discloses a novel energy storage battery module end plate, comprising: an end plate body 1, an end plate body 1 having a first slot 2, a limiting block 3 fixedly connected within the first slot 2, two lifting holes 13 on the outer surface of the limiting block 3, two transverse bolt fixing holes 4 on the upper surface of the end plate body 1, and longitudinal bolt fixing holes 5 on the outer surface of the end plate body 1, the two transverse bolt fixing holes 4 and the longitudinal bolt fixing holes 5 being symmetrically distributed, an opening 10 on the upper surface of the end plate body 1, an aluminum bar insulating column fixing nut 11 being provided in the opening 10, and four limiting buckles 12 on the outer surface of the end plate body 1.

[0023] Specifically, the battery module is placed between the two end plate bodies 1 and tied with steel straps. The straps are placed between the limiting plate 3 and the limiting buckle 12. The aluminum bar insulating column is connected by the aluminum bar insulating column fixing nut 11. The bolts are inserted into the horizontal bolt fixing hole 4 or the vertical bolt fixing hole 5 for fixing. The lifting work is carried out through the lifting hole 13 located on the limiting block 3.

[0024] Reference Figure 3 A protective plate 6 is fixedly connected to the rear surface of the end plate body 1. A second slot 7 is provided on the outer surface of the protective plate 6. A first buffer 8 and a second buffer 9 are fixedly connected to the outer surface of the second slot 7. The first buffer 8 is circular in shape and is made of silicone foam. The second buffer 9 is annular in shape and surrounds the first buffer. The first buffer 8 and the second buffer 9 have the same thickness and the same depth.

[0025] Specifically, when the battery is charged and discharged and an expansion force is generated, the expansion force is buffered by the first buffer 8 and the second buffer 9 to prevent the expansion force from damaging the battery end plate, thereby improving the protection of the battery cells by the battery end plate and increasing the service life of the device. The first buffer 8 and the second buffer 9 are both made of silicone foam, which improves the buffering effect.

[0026] This new type of structure uses sheet metal construction, eliminating the need for mold making, and the design width and length can be adjusted according to different battery modules.

[0027] Working principle: This new type of structure adopts sheet metal structure process, which does not require mold opening. The design width and length can be adjusted according to different battery modules. First, the battery module is placed between the two end plate main bodies 1 and tied with steel straps. The straps are placed between the limiting plate 3 and the limiting buckle 12. The aluminum bar insulating column is connected by the fixing nut 11 with aluminum bar insulating column. The bolts are inserted into the horizontal bolt fixing hole 4 or the vertical bolt fixing hole 5 for fixing. The lifting work is carried out through the lifting hole 13 located on the limiting block 3.

[0028] Secondly, when the battery is charged and discharged, an expansion force is generated. The first buffer 8 and the second buffer 9 are set to buffer the expansion force and prevent the expansion force from damaging the battery end plate. This improves the protection of the battery cells by the battery end plate and increases the service life of the device. The first buffer 8 and the second buffer 9 are both made of silicone foam, which improves the buffering effect.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A novel energy storage battery module end plate, characterized in that, include: The end plate body (1) is provided with a first slot (2), and a limit block (3) is fixedly connected in the first slot (2). The upper surface of the end plate body (1) is provided with two transverse bolt fixing holes (4), and the outer surface of the end plate body (1) is provided with longitudinal bolt fixing holes (5). A protective plate (6) is fixedly connected to the rear surface of the end plate body (1). A second slot (7) is provided on the outer surface of the protective plate (6). A first buffer (8) and a second buffer (9) are fixedly connected to the outer surface of the second slot (7).

2. The novel energy storage battery module end plate according to claim 1, characterized in that, An opening (10) is provided on the upper surface of the end plate body (1), and an aluminum bar insulating column fixing nut (11) is provided in the opening (10).

3. The novel energy storage battery module end plate according to claim 1, characterized in that, The outer surface of the end plate body (1) is provided with limit buckles (12), and the number of limit buckles (12) is four.

4. The novel energy storage battery module end plate according to claim 1, characterized in that, The outer surface of the limiting block (3) is provided with a lifting hole (13), and there are two lifting holes (13).

5. The novel energy storage battery module end plate according to claim 1, characterized in that, The first buffer (8) is circular in shape and is made of silicone foam.

6. The novel energy storage battery module end plate according to claim 1, characterized in that, The second buffer (9) is in the shape of a ring and surrounds the first buffer (8).

7. The novel energy storage battery module end plate according to claim 1, characterized in that, The first buffer (8) and the second buffer (9) have the same thickness, and the first buffer (8) has the same depth as the second slot (7).

8. The novel energy storage battery module end plate according to claim 1, characterized in that, The two transverse bolt fixing holes (4) are symmetrically distributed with the longitudinal bolt fixing holes (5).