具备高效冷却的液冷电池包

By using a shaped tube and heat-conducting plate design, the contact area between the battery and the cooling system is expanded. Combined with thermal grease and an insulating protective plate, the problem of insufficient cooling effect of liquid-cooled battery packs is solved, achieving efficient cooling and improved safety.

CN224519945UActive Publication Date: 2026-07-17JIANGSU DECHUN POWER ELECTRIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU DECHUN POWER ELECTRIC CO LTD
Filing Date
2025-07-06
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing liquid-cooled battery packs have insufficient cooling effect, and the contact area between the battery and the cooling plate is small, resulting in low cooling efficiency.

Method used

By employing a combination of shaped tubes and heat-conducting plates, the contact area of ​​the battery body is expanded, and thermal grease is used to reduce contact thermal resistance. Combined with elastic metal sheets and insulating protective plates, the safety and reliability of the system are improved.

Benefits of technology

It significantly improves the cooling efficiency and safety of the battery pack, prevents localized overheating, extends battery life, and enhances the overall performance of the battery pack.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224519945U_ABST
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Abstract

本实用新型涉及新能源技术领域,且公开了具备高效冷却的液冷电池包,包括底板,所述底板的上方设置有多个托板,每个所述托板的上表面设置有多组冷却组件,每组所述冷却组件均包括有多个相互连通的异形管和进水管与排水管,每个所述异形管均与其相靠近的进水管与排水管连通。该具备高效冷却的液冷电池包,设置异形管与导热板的协同配合,拓展了与电池本体的接触面积,不仅对电池本体底部进行有效散热的同时,且能够将电池本体产生的测量热量导出,而且,由于导热板的上端嵌入每两个电池本体之间的间隙中,进一步优化了热传导路径,显著提升了导热效率,大幅增强了对电池本体的冷却效能。
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Claims

1. A liquid-cooled battery pack with high-efficiency cooling, comprising a bottom plate (1), characterized in that: Multiple trays (2) are provided above the base plate (1). Multiple cooling components (3) are provided on the upper surface of each tray (2). Each cooling component (3) includes multiple interconnected irregular tubes (301), water inlet pipes (302), and drain pipes (303). Each irregular tube (301) is connected to its adjacent water inlet pipe (302) and drain pipe (303). Each drain pipe (303) is interconnected. Each water inlet pipe (302) is interconnected. Multiple heat-conducting plates (304) are installed on the upper surface of each tray (2). A battery body (305) is provided on the upper surface of each heat-conducting plate (304).

2. The liquid-cooled battery pack with high efficiency cooling of claim 1, wherein: The upper surface of the base plate (1) is fixedly connected to a bearing plate (4), and each of the support plates (2) is slidably connected to the inner wall of the bearing plate (4). Multiple elastic metal sheets (5) are fixedly connected between the bearing plate (4) and the support plate (2) at equal intervals.

3. The liquid-cooled battery pack with high efficiency cooling of claim 1, wherein: The upper surface of the base plate (1) is equipped with a water inlet (6) and a drain outlet (7). The bottom end of the water inlet (6) is fixedly connected to the water inlet pipe (302) located in front, and the bottom end of the drain outlet (7) is fixedly connected to the drain pipe (303) in front.

4. The liquid-cooled battery pack with high efficiency cooling of claim 1, wherein: Each of the trays (2) has two insulating guards (8) fixedly connected to its upper surface, and each of the battery bodies (305) is in contact with the insulating guard (8) adjacent to it.

5. The liquid-cooled battery pack with high efficiency cooling of claim 1, wherein: The upper surface of the base plate (1) is fitted with a top cover (9).

6. The liquid-cooled battery pack with high efficiency cooling of claim 1, wherein: Each of the heat-conducting plates (304) is L-shaped and contacts the battery body (305) through thermal grease.

7. The liquid-cooled battery pack with high efficiency cooling of claim 1, wherein: Each of the battery bodies (305) has its side in contact with the adjacent heat-conducting plate (304).