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An error testing preventing method for polymer lithium ion battery short circuit tests

A lithium-ion battery, short-circuit test technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of difficulty in production and detection of polymer lithium-ion batteries, affecting product performance and safety, missed detection, and false detection ratios. , to achieve the effect of facilitating development and design, reducing equipment failure and improving production efficiency

Inactive Publication Date: 2018-02-02
SHENZHEN GPC ENERGY GRP CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, due to the different sizes and positions of the tabs of the battery and the frequent replacement of product models, the test equipment with this structure is likely to cause a high failure rate of the equipment, unstable testing, and a high proportion of missed and false tests, which is harmful to the production of polymer lithium-ion batteries. The detection causes great difficulties, and it is easy to cause potential safety hazards of the battery, affecting product performance and safety

Method used

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  • An error testing preventing method for polymer lithium ion battery short circuit tests
  • An error testing preventing method for polymer lithium ion battery short circuit tests

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with specific examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0013] Such as figure 2 Shown is a lithium-ion battery short-circuit test anti-mis-test method device, including a PLC controller, an insulation short-circuit tester and an electric control circuit. The positive pole ear 2 and the negative pole ear 3 on the battery 1 are respectively connected through the probe 4, and are connected to the test lead output port 9 of the insulation short circuit tester 8, and the signal output port 12 of the insulation short circuit tester is connected to the PLC control through conversion into a contact structure In the input port 10 of the device 11.

[0014] Start the insulation short-circuit tester 8, there will be a very short charging process between the positive and negative pole ears 2 and 3 of the battery 1, the insulation sho...

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Abstract

The invention provides an error testing preventing method for polymer lithium ion battery short circuit tests. The method is characterized in that output signals of an insulation short circuit testerare converted to contact structures which are connected to a PLC; the insulation short circuit tester is started, and a short charging process is needed for probes through which cathode and anode tabsof a battery and two testing meter pens of the insulation short circuit tester are connected; the charging process is made obvious by adjusting set parameters of voltage and time of the insulation short circuit tester, and then the insulation short circuit tester generates an instantaneous output signal; the PLC is used for capturing charging signals of battery testing thereof to judge whether the two probes, through which the cathode and anode tabs of the battery are connected with the two testing meter pens of the insulation short circuit tester, are in favorable contact and thus achieve effective measurement of battery short circuit testing.

Description

technical field [0001] The invention belongs to the technical field of polymer lithium-ion battery manufacturing technology, relates to polymer lithium-ion battery manufacturing quality control technology, in particular to the field of quality detection methods for polymer lithium-ion battery production, specifically a polymer lithium-ion battery Short-circuit test anti-false test method. Background technique [0002] Polymer lithium-ion batteries have the advantages of good safety performance, small thickness, light weight, small internal resistance, easy model replacement, high energy density, etc., so they are widely used in electric vehicles, energy storage power supplies, digital products and other fields, but their safety and performance are stable It has always been the focus of various manufacturers, and it is especially important for various testing links in production. Now the battery insulation short-circuit test process after polymer lithium-ion battery winding ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/36
CPCG01R31/3865
Inventor 王勇军李国敏刘小虹
Owner SHENZHEN GPC ENERGY GRP CO LTD
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