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Power battery short circuit testing machine and testing method

A technology of short-circuit test and power battery, which is applied in environmental/reliability testing, measuring electricity, measuring devices, etc. It can solve problems such as easily damaged machines and battery explosions, and achieve the effect of reducing impact and improving service life

Pending Publication Date: 2021-05-04
深圳市中认联科检测技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned existing technical solutions have the following defects: when a bad battery is tested, the battery is prone to explode, and once it explodes, the impact force generated by the explosion is likely to damage the machine

Method used

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  • Power battery short circuit testing machine and testing method
  • Power battery short circuit testing machine and testing method
  • Power battery short circuit testing machine and testing method

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Embodiment Construction

[0035] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0036] refer to figure 1 and figure 2 , is a power battery short-circuit testing machine disclosed in the present invention, including a box body 1, an observation port 11 is opened on the front of the case body 1, and explosion-proof glass (not shown) is fixed on the observation port 11. A partition 2 is fixed inside the box body 1 (refer to image 3 ), the partition 2 divides the box 1 into a drive chamber 12, a test chamber 13 and a temperature control chamber 14 in sequence from top to bottom.

[0037] refer to figure 2 and image 3 The partition 2 includes a support plate 21, a buffer plate 22 and a connection plate 23, the support plate 21 is fixedly connected to the box body 1, the connection plate 23 abuts against the inner wall of the cabinet, and the buffer plate 22 is fixed between the support plate 21 and the connection plate 23 Between the...

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Abstract

The invention relates to a power battery short circuit testing machine, which comprises a box body, WHEREIN a partition plate is fixed in the box body and divides the box body into a driving chamber, a testing chamber and a temperature control chamber from top to bottom in sequence, a driving mechanism is arranged in the driving chamber, a placing plate, an extrusion plate and an extrusion rod are arranged in the testing chamber, one end of the extrusion rod is fixedly connected with the output end of the driving mechanism, The other end of the extrusion rod is fixedly connected with the extrusion plate, the placement plate is fixed to the partition plate and located under the extrusion plate, the partition plate comprises a supporting plate, a buffer plate and a connecting plate, the supporting plate is fixedly connected with the box body, the buffer plate is fixed between the supporting plate and the connecting plate, the buffer plate is in a wave line shape, a pressure relief opening is formed in the side face of the test chamber, A pressure relief bag is fixed to the pressure relief opening, a pressure relief door is arranged on the outer side of the pressure relief opening, one side of the pressure relief door is hinged to the box body, and the other side of the pressure relief door is clamped and fixed to the box body through a clamping piece. The power battery short circuit testing machine has the effects of weakening impact force generated by battery explosion and prolonging the service life of the testing machine.

Description

technical field [0001] The invention relates to the field of battery testing equipment, in particular to a power battery short-circuit testing machine and a testing method. Background technique [0002] The power battery is the power source that provides the power source for the tool. With the increase of the number of electric vehicles, electric vehicles also have frequent accidents, and the safety of the power battery has attracted people's attention. [0003] Power battery short-circuit tester, also known as battery high-current short-circuit tester, power battery short-circuit tester is designed to meet the requirements of various battery short-circuit test standards, and is required to meet battery performance standards; according to the standard requirements, the short-circuit device must meet the internal resistance range ≤ 100mΩ , so as to obtain the maximum short-circuit current required by the test. [0004] Chinese Utility Model Patent Application Announcement No...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/36G01R31/00G01R1/04
CPCG01R31/36G01R31/003G01R1/04Y02E60/10
Inventor 马孝琴冯建军
Owner 深圳市中认联科检测技术有限公司
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