Plug, liquid cooling plate and battery box body

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Plug, liquid cooling plate and battery box body

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LU CHENZHI / CHEN YUWEI / LI SHI

The invention relates to a plug, a liquid cooling plate and a battery box body. An L-shaped channel is arranged in the plug; the L-shaped channel comprises a transverse channel and a vertical channel;the transverse channel extends forwards from the corner of the L-shaped channel to penetrate through the front end surface of the plug; a connection opening is formed in the front end surface of theplug; and the corner of the vertical channel extends downwards; an opening structure is formed in the lower surface of the plug and is provided with a downward-facing lower opening; the lower end of the vertical channel is integrally connected with the opening structure to form an open hole; one side of the opening structure is communicated with a liquid distribution cavity; the vertical channel is communicated with the liquid distribution cavity through the opening structure; and the plug comprises a cover plate used for sealing and covering the lower opening of the opening structure. Throughthe L-shaped channel, cooling liquid can enter or flow out of the liquid cooling plate in a front-back direction; the vertical channel located at a position where the flowing direction of the coolingliquid is converted is directly arranged in the plug, and therefore, higher strength is realized; and welding connection is avoided, so that the problems of weld penetration and high possibly of welding connection-induced damage are solved.

本发明涉及一种堵头及液冷板、电池箱体，堵头内设有L形通道，L形通道包括横向、竖向通道，横向通道自L形通道的转角处向前延伸贯通堵头的前端面，并在堵头的前端面上开设有接口，竖向通道所述转角处向下延伸；堵头下表面上开设有开口结构，开口结构具有朝下的下开口；竖向通道的下端与所述开口结构一体相连而形成开放孔，开口结构的一侧与配液腔相连通，竖向通道通过开口结构与配液腔连通，堵头包括用于密封封盖所述开口结构的下开口的盖板。通过设置L形通道，使冷却液可沿前后方向进入或流出液冷板，处于冷却液转换流动方向的位置的竖向通道是直接设置在堵头内的，强度更好，没有焊接连接，避免了焊穿问题以及焊接连接容易被破坏的问题。

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Document information

Title :

Plug, liquid cooling plate and battery box body

Additional title:

一种堵头及液冷板、电池箱体

Contributors:

LU CHENZHI (author) / CHEN YUWEI (author) / LI SHI (author)

Publication date :

2020-05-29

Type of media :

Patent

Type of material :

Electronic Resource

Language :

Chinese

Classification :

IPC:

H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen