Lithium ion powder battery liquid cooling structure

Abstract

The invention relates to a lithium ion powder battery liquid cooling structure. The structure comprises a main body framework, a water intake end cover, a water exhaust end cover, a gasket, battery single bodies, a monitoring device, converged plates, converged sheets, bolts and other components, wherein the water intake end cover and the water exhaust end cover are connected together with the main body framework through interference fit so as to form 24 cylindrical empty cavities and 35 cooling liquid flow channels; the gasket is configured between the end covers and the main body framework; the battery single bodies are installed in the cylindrical empty cavities, and are connected in parallel by the converged sheets, and the positive and negative poles are leaded out by the converged plates; the monitoring device comprises two parts including a monitoring device main body and a monitoring device end cover, and is installed on the water intake end cover, and are fixed by fastening bolts. The lithium ion powder battery liquid cooling structure provided by the invention is novel, is convenient to manufacture and maintain, is significant in cooling effect, can control the working temperature of the battery within a reasonable temperature range, and can prevent safety hazard of thermal runaway and the like.

Description

technical field [0001] The present invention is a liquid cooling structure designed for a battery module inside a lithium-ion power battery pack. Background technique [0002] Under the dual pressure of increasingly serious shortage of resources and increasing environmental pollution, electric vehicles have been rapidly developed and applied. Power battery is the core part of electric vehicle, its service life and performance directly affect the cost of battery vehicle and the overall performance of the vehicle. Therefore, research on power batteries has gradually gained the attention of researchers. Temperature is a key factor affecting battery performance, because the internal structure of the battery pack is complex, the number of battery cells is large, and the distance between the battery cells is small. After the battery cells generate heat, they affect each other and it is difficult to dissipate the heat in time. , causing the internal temperature of the battery pac...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to address the above problems, and propose a liquid cooling structure for lithium-ion power batteries that can meet the needs of practice, solve the common problems of current power batteries that the battery operating temperature is too high, the temperature distribution in the battery pack is not uniform, and avoid heat loss. Occurrence of safety hazards such as loss of control, spontaneous combustion, and explosion

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