Battery box body structure and energy storage battery system

By introducing a liquid-cooled base plate and a liquid distribution module into the battery housing, the problem of uneven heat dissipation in the battery housing was solved, achieving uniform battery temperature and improving the performance of the energy storage battery system.

CN224458239UActive Publication Date: 2026-07-03WUHAN LISHEN POWER CELL SYST TECH CO LTD +1
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Patent Information

Application Number
CN202521659634.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2026-07-03
Estimated Expiration
2035-08-06

AI Technical Summary

Technical Problem

The existing battery enclosure structure is poorly designed and cannot effectively dissipate heat and heat, resulting in inconsistent battery temperatures and affecting the performance of the energy storage battery system.

Method used

A battery housing structure including a liquid-cooled base plate and a liquid distribution module was designed. The liquid-cooled base plate is composed of multiple parallel profile base plates and has liquid inlet and outlet channels. Combined with the liquid distribution module, it achieves uniform heat dissipation and heating. Temperature consistency is ensured by thermal conductive gel and sealing structure.

Benefits of technology

This achieves reliable heat dissipation and heating of the batteries inside the battery box, improves temperature consistency, and enhances the working performance and size compatibility of the energy storage battery system.

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Abstract

The utility model discloses a battery box body structure and an energy storage battery system. The battery box body structure comprises a tray, an upper cover is arranged on the tray; a front panel of the upper cover is provided with a first panel and a second panel; the tray comprises a liquid cooling bottom plate; the liquid cooling bottom plate comprises a plurality of profile bottom plates; any two adjacent profile bottom plates are fixedly connected; the top of the profile bottom plate is used for placing a plurality of single battery cells; a first flow channel cavity for feeding liquid, a second flow channel cavity for discharging liquid, a liquid inlet communicated with the first flow channel cavity and a liquid outlet communicated with the second flow channel cavity are formed in the profile bottom plate; the first runner cavity is communicated with the second runner cavity; the front end of the liquid cooling bottom plate is provided with a liquid separation module; the liquid separation module internally comprises a liquid inlet cavity communicated with the liquid inlet and a liquid outlet cavity communicated with the liquid outlet, and the liquid inlet cavity and the liquid outlet cavity are separated from each other; a liquid inlet water nozzle and a liquid outlet water nozzle are respectively arranged at two ends of the liquid separation module. According to the utility model, reliable heat dissipation and heating can be carried out on the batteries in the box body, the heat dissipation and temperature equalization effects are ensured, and the temperature consistency of the batteries in the box body is improved.
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