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car battery box

A technology for car batteries and outer boxes, which is applied to battery pack components, circuits, electrical components, etc., and can solve problems such as long-term overcharging of batteries

Active Publication Date: 2021-02-02
SUZHOU JK ENERGY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

(2) Long-term overcharging of batteries

Method used

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Embodiment Construction

[0017] The present invention will be further described in detail through the examples below, so that those skilled in the art can implement it with reference to the description.

[0018] It should be understood that terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0019] combine figure 1 as shown,

[0020] An outer box for a car battery, comprising:

[0021] The shell, which includes a semi-cylindrical explosion-proof roof 100, the bottom of the explosion-proof roof 100 is connected to a gas leakage section 200, the side of the explosion-proof roof 100 is provided with a side wall 300, and the bottom of the explosion-proof section 200 is connected to a straight line The panel 600 is connected, and a second blasting bar 400 is provided at the bottom connecting position between the deflated section 200 and the explosion-proof roof 100, and the upper side of the seco...

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Abstract

This case relates to a car battery outer box, including: a shell, which includes a semi-cylindrical explosion-proof roof, the bottom of the explosion-proof roof is connected to a gas leaking section, the side of the explosion-proof roof is provided with side walls, and the gas leaking The bottom of the section is connected to the straight panel, and a second blasting bar is provided at the bottom connection position between the leaking section and the explosion-proof roof, and the upper side of the second blasting bar is integrally formed with the explosion-proof roof. The lower edge of the bursting strip is spot-welded with the vent section. When the battery explodes, the first priority is to blast from the first blasting strip. Since its upper side is integrally formed, the leaking section between the first blasting strips will become a blasting opening, and the leaking section will collapse together with the first blasting strip on the lower side. , the first blasting strip on the upper side is connected to the remaining deflated section, and the second is preferentially from the second blasting strip, which will cause the entire deflated section and the straight panel to be collapsed together, and the explosives will be limited to spray at the lower part of the explosion-proof roof. out.

Description

technical field [0001] The invention relates to the battery field, in particular to an automobile battery outer box. Background technique [0002] At present, there are two main types of batteries used in the market, lithium iron phosphate batteries and ternary lithium batteries. As we all know, in terms of battery combination, Tesla uses a large number of small battery connections, which has advantages in flexibility and anti-degradation. But using a small cylindrical battery pack in a full-size electric car means thousands of high-current connections, and each one is a potential source of overheating. [0003] There are roughly three reasons for the battery explosion, (1) the battery itself. Due to internal defects in the battery, the battery itself exploded without being charged or discharged. (2) The battery cell has been overcharged for a long time. Lithium batteries may be discharged instantaneously under special conditions or environments such as special temperatu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M50/249H01M50/342H01M50/20H01M50/30
CPCH01M50/20H01M50/30Y02E60/10
Inventor 刘叶峰王东韩亮成郭伟
Owner SUZHOU JK ENERGY LTD