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A battery box lower tray

A technology for battery boxes and trays, which is applied to battery pack parts, circuits, electrical components, etc. It can solve the problems of batteries not being charged and high temperature, and achieve the effects of enhanced efficiency, low cost, and reduced risk of leakage

Active Publication Date: 2020-09-22
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] An object of the present invention is to provide a battery box lower tray to solve the temperature control problem that the battery cannot be charged at low temperature and the temperature is too high during discharge

Method used

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  • A battery box lower tray
  • A battery box lower tray
  • A battery box lower tray

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Embodiment Construction

[0023] figure 1 It is a schematic structural diagram of the lower tray of the battery box and the battery module according to an embodiment of the present invention. figure 2 yes figure 1 Schematic structural diagram of the lower tray of the battery box shown. Combine below figure 1 with figure 2 A battery box lower tray provided by the present invention will be described in detail. The battery box lower tray 1 provided by the present invention includes side plates 18 on its peripheral side. The side plate 18 is fixedly connected to the peripheral side of the lower tray 1 of the battery box, and the fixed connection method is preferably welding. The side plate 18 can play the role of fixing the upper cover and leading out the connector. The side plate 18 of the lower tray 1 of the battery box and the lower tray 1 of the battery box are used for placing the battery module 2 .

[0024] The lower tray 1 of the battery box includes: a lower tray main body 11 , a first plug...

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PUM

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Abstract

The invention provides a battery box lower tray, which relates to the field of new energy automobiles. The battery box lower tray comprises a lower tray body, a first plug and a second plug, wherein the lower tray body, the first plug and the second plug are extrusion aluminum-type materials and are welded into a whole through friction stirring; a cavity is arranged in the lower tray body; the first plug and the second plug are welded to two ends of the lower tray body, so that the battery box lower tray forms an S-shaped through channel. The battery box lower tray provided by the invention is not provided with an independent liquid cooling plate and a pipeline system, and is good in performance, safe, reliable, and convenient to maintain.

Description

technical field [0001] The invention relates to the field of new energy vehicles, in particular to a lower tray of a battery box. Background technique [0002] With the increasingly severe energy situation and the gradual strengthening of people's awareness of environmental protection, electric vehicles have also received more and more attention from the whole society, which has driven the continuous development and improvement of electric vehicle power system technology. As the most important and sensitive key component in the power supply system, the power battery is well used, which directly affects the performance of electric vehicles. The performance of power batteries is sensitive to temperature changes, especially large-capacity, high-power lithium-ion batteries, and because most battery packs have limited space, compact structure, and tight arrangement of batteries, when the vehicle is running under different working conditions, the battery A large amount of heat wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/10
CPCH01M50/256Y02E60/10
Inventor 于林占莉潘福中
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD