Modularized end pole plate
By setting heat dissipation structures and reinforcing ribs on the end plates, the problem of insufficient heat dissipation of the end plates is solved, achieving efficient heat dissipation of the battery module and ensuring stable operation and long life of the battery pack.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU QINGSHENG ENERGY TECH CO LTD
- Filing Date
- 2025-04-17
- Publication Date
- 2026-05-22
AI Technical Summary
Existing end plates lack heat dissipation capabilities, causing the battery pack to generate a large amount of heat during operation. This leads to increased internal temperature, affecting battery performance and lifespan, and may even cause safety issues.
A modular end plate was designed, which includes heat dissipation structures on both sides of the top, with through holes and fans, combined with reinforcing ribs and support blocks to ensure stable installation and efficient heat dissipation of the heat dissipation structure.
Effective heat dissipation prevents the battery module from overheating, improving battery stability and lifespan, and reducing safety hazards.
Smart Images

Figure CN224266991U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of end plate technology, specifically a modular end plate. Background Technology
[0002] End plates are an important component in battery packs or electrochemical devices, usually located at the ends of battery modules. They perform multiple functions, including electrical connection, structural support, thermal management, and safety protection. They are an indispensable part of battery pack design, especially in modular battery systems where their role is even more prominent. The following is a detailed explanation of the concept, function, and application of end plates: Basic concept definition of end plates: End plates are end structural components of battery modules, usually located at the positive or negative terminals of the battery pack. They are both the physical support structure of the battery module and a key part of electrical connection and thermal management. Composition: End plates are usually composed of conductive and structural materials, and may also integrate functional components such as heat sinks, sensors, and fuses.
[0003] A search revealed Chinese patent application number 201220177134.7, which discloses an integrated end plate for flow batteries. This invention fixes the electron current collector, the flow guide frame, and the conductive plate together. The fixed connection between the electron current collector and the conductive plate ensures good contact, low contact resistance, and more stable conductivity. The fixed connection between the flow guide frame and the conductive plate reduces the sealing links between them, improving the leakage prevention capability of the end plate. This integrated end plate for flow batteries reduces the number of scattered components, resulting in higher reliability, easier production and daily maintenance, and lower cost.
[0004] The existing technical solutions have the following drawbacks: When the existing end plates protect the battery pack, they do not have a heat dissipation function. The battery pack will generate a lot of heat when it is working. If this heat cannot be dissipated in time, the internal temperature of the battery pack will rise. High temperature will not only reduce the performance and life of the battery, but may also cause safety problems. Utility Model Content
[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a modular end plate with the advantage of heat dissipation. This solves the problem that existing end plates, when used to protect battery packs, do not have heat dissipation function. As a result, the battery pack generates a large amount of heat during operation, and if this heat cannot be dissipated in time, the internal temperature of the battery pack will rise. High temperatures will not only reduce the performance and lifespan of the battery, but may also cause safety problems.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a modular end plate, comprising an end plate body, wherein heat dissipation structures are provided on both sides of the top of the end plate body, the heat dissipation structures include through holes, the through holes are located on both sides of the top of the end plate body, a fan is provided inside the through holes, and positioning pins are threadedly connected to the top of the fan around its perimeter. A rotating block is fixedly connected to the top of the surface of the positioning pin, and a vertical rod is movably connected to the outer side of the inner side of the rotating block. The bottom of the vertical rod is fixedly connected to the top of the end plate body.
[0007] As a preferred embodiment of this invention, a reinforcing rib is fixedly connected to the bottom of the end plate body, and the reinforcing rib is used to enhance the compressive strength of the end plate body.
[0008] As a preferred embodiment of this invention, support blocks are fixedly connected to both sides of the bottom of the reinforcing rib, and the bottom of the fan is located at the top of the support blocks.
[0009] As a preferred embodiment of this utility model, mounting holes are provided around the top of the end plate body, a gasket is provided on the top of the mounting hole, and a bolt is threaded into the inside of the mounting hole.
[0010] As a preferred embodiment of this invention, a dustproof mesh is fixedly connected to the top of the fan, and heat dissipation fins are fixedly connected to both the front and back sides of the bottom of the end plate body.
[0011] As a preferred embodiment of this invention, a torsion spring is fixedly connected to the top of the vertical rod, and the bottom of the torsion spring is fixedly connected to the top of the rotating block.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model, through the design of a heat dissipation structure, can dissipate heat from the battery module, preventing the battery module from overheating after a long period of time.
[0014] 2. By adding reinforcing ribs, this utility model can increase the compressive strength of the end plate body and prevent deformation of the end plate body. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the other side of the end plate body of this utility model;
[0017] Figure 3 This is a schematic diagram of the through hole of this utility model;
[0018] Figure 4 For the present utility model Figure 1 Enlarged diagram of point A in the middle.
[0019] In the diagram: 1. End plate body; 2. Heat dissipation structure; 21. Through hole; 22. Fan; 23. Positioning pin; 24. Rotating block; 25. Vertical rod; 3. Reinforcing rib; 4. Support block; 5. Mounting hole; 6. Gasket; 7. Bolt; 8. Dustproof mesh; 9. Heat dissipation fins; 10. Torsion spring. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] like Figures 1 to 4 As shown, the present invention provides a modular end plate, including an end plate body 1. Heat dissipation structures 2 are provided on both sides of the top of the end plate body 1. The heat dissipation structures 2 include through holes 21, which are located on both sides of the top of the end plate body 1. A fan 22 is provided inside the through holes 21. Positioning pins 23 are threadedly connected to the top of the fan 22. A rotating block 24 is fixedly connected to the top of the surface of the positioning pin 23. A vertical rod 25 is movably connected to the outer side of the inside of the rotating block 24. The bottom of the vertical rod 25 is fixedly connected to the top of the end plate body 1.
[0022] refer to Figure 2 A reinforcing rib 3 is fixedly connected to the bottom of the end plate body 1. The reinforcing rib 3 is used to enhance the compressive strength of the end plate body 1.
[0023] As a technical optimization of this utility model, by setting the reinforcing rib 3, the compressive strength of the end plate body 1 can be increased by the reinforcing rib 3 at the bottom of the end plate body 1, and deformation of the end plate body 1 can be prevented.
[0024] refer to Figure 2 The bottom sides of the reinforcing rib 3 are fixedly connected to the support block 4, and the bottom of the fan 22 is located on the top of the support block 4.
[0025] As a technical optimization of this utility model, by setting the support block 4, the fan 22 can be supported, thereby increasing the stability of the fan 22 during use.
[0026] refer to Figure 3 Mounting holes 5 are provided around the top of the terminal plate body 1. A gasket 6 is provided on the top of the mounting hole 5. A bolt 7 is threaded inside the mounting hole 5.
[0027] As a technical optimization of this utility model, the installation hole 5, the gasket 6, and the bolt 7 make it easier to install and fix the end plate body 1 to the battery module, and the gasket 6 reduces the wear of the bolt 7 and the installation hole 5.
[0028] refer to Figure 1 A dustproof mesh 8 is fixedly connected to the top of the fan 22, and heat dissipation fins 9 are fixedly connected to the front and back of the bottom of the end plate body 1.
[0029] As a technical optimization of this utility model, the dustproof mesh 8 can prevent impurities from entering the fan 22 and avoid affecting the normal use of the fan 22. The heat dissipation fins 9 can dissipate the heat generated by the end plate body 1.
[0030] refer to Figure 4 A torsion spring 10 is fixedly connected to the top of the vertical rod 25, and the bottom of the torsion spring 10 is fixedly connected to the top of the rotating block 24.
[0031] As a technical optimization of this utility model, by setting the torsion spring 10, the torque of the torsion spring 10 can drive the rotating block 24 to reset, preventing the rotating block 24 from failing to reset and affecting the installation or disassembly of the fan 22.
[0032] The working principle and usage process of this utility model are as follows: When installing the heat sink, firstly, accurately place the fan 22 inside the preset through hole 21. Then, by rotating the rotating block 24 on the vertical rod 25, gradually bring it closer to and fit against the top of the heat sink. At this time, by utilizing the precise cooperation between the positioning pin 23 and the reserved hole of the fan 22, the fan 22 is firmly installed on the heat sink. To ensure the stability of the heat sink, the support block 4 is cleverly placed at the bottom of the heat sink to provide necessary support. Next, through the tight cooperation of the gasket 6, the preset mounting hole 5, and the bolt 7, the entire heat sink system is firmly installed on the surface of the battery module that needs heat dissipation protection, ensuring that the heat sink structure 2 can fit tightly against the battery module, effectively improving heat dissipation efficiency. After installation, start the fan 22, which begins to operate efficiently, bringing continuous heat dissipation to the battery module, effectively preventing the battery from being damaged due to overheating, and ensuring the stable operation and long life of the battery module.
[0033] In summary, this modular end plate, through its heat dissipation structure, can effectively cool the battery module, preventing overheating over time. This addresses the problem of existing end plates, which lack heat dissipation capabilities, causing the battery pack to generate significant heat during operation. If this heat cannot be dissipated promptly, the internal temperature of the battery pack will rise, reducing battery performance and lifespan, and potentially leading to safety issues.
[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A modular end plate, comprising an end plate body (1), characterized in that: Heat dissipation structures (2) are provided on both sides of the top of the end plate body (1). The heat dissipation structure (2) includes a through hole (21). The through hole (21) is located on both sides of the top of the end plate body (1). A fan (22) is provided inside the through hole (21). Positioning pins (23) are threaded around the top of the fan (22). A rotating block (24) is fixedly connected to the top of the surface of the positioning pin (23). A vertical rod (25) is movably connected to the outer side of the inside of the rotating block (24). The bottom of the vertical rod (25) is fixedly connected to the top of the end plate body (1).
2. A modular end plate according to claim 1, characterized in that: The bottom of the end plate body (1) is fixedly connected with a reinforcing rib (3), which is used to enhance the compressive strength of the end plate body (1).
3. A modular terminal plate according to claim 2, characterized in that: The bottom of the reinforcing rib (3) is fixedly connected to both sides of the support block (4), and the bottom of the fan (22) is located at the top of the support block (4).
4. A modular terminal plate according to claim 1, characterized in that: Mounting holes (5) are provided around the top of the end plate body (1). A gasket (6) is provided on the top of the mounting hole (5). A bolt (7) is threaded into the mounting hole (5).
5. A modular end plate according to claim 1, characterized in that: A dustproof mesh (8) is fixedly connected to the top of the fan (22), and heat dissipation fins (9) are fixedly connected to the front and back of the bottom of the end plate body (1).
6. A modular terminal plate according to claim 1, characterized in that: The top of the vertical rod (25) is fixedly connected to a torsion spring (10), and the bottom of the torsion spring (10) is fixedly connected to the top of the rotating block (24).