Lithium ion cell multi-module capacity detection device and method

A technology of capacity detection and lithium ion, which is applied in measuring devices, measuring electrical variables, measuring electricity, etc., can solve the problems of waste of time and equipment resources, achieve the effects of reducing labor costs, speeding up product inspection cycles, and prolonging service life

Pending Publication Date: 2022-04-12
SHUANGDENG GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this time, if it is only for a single battery module test, it will easily cause a waste of time and equipment resources.

Method used

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  • Lithium ion cell multi-module capacity detection device and method

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Embodiment Construction

[0013] In order to understand the characteristics and technical content of the present invention in more detail, the implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the present invention.

[0014] refer to figure 1 A capacity detection device for a lithium-ion battery multi-module set, comprising: a host computer control system 1, a battery management system 2, a charging and discharging device 3, a battery pack 4, and a battery module 5; the host computer control system 1 and The battery management system 2 is connected through a communication line, the host computer control system 1 is connected with the charging and discharging equipment 3 through a communication line, the battery management system 2 and the battery pack 4 are connected through a sampling line tooling, and the battery management system 2 and the ...

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Abstract

The invention relates to a capacity detection device and method for a lithium ion battery cell multi-module. The capacity detection device comprises an upper computer control system, a battery management system, charging and discharging equipment, a battery pack and a battery module, the upper computer control system is connected with the battery management system through a communication line, the battery management system is connected with the battery pack through a sampling line tool, the battery management system is connected with the charging and discharging device through a sampling line tool, and the battery pack is connected with the charging and discharging device through a high-voltage cable. And the battery modules are connected in series through a high-voltage cable to form a battery pack. According to the invention, through high-voltage series connection of a plurality of modules in the same set of system, data is transmitted to the battery management system through the sampling line on each battery module, and the battery voltage and the battery core temperature of each battery module are obtained, so that the product inspection period is shortened, the service life is prolonged, and meanwhile, the labor cost is also reduced.

Description

technical field [0001] The invention relates to the field of battery detection, in particular to a capacity detection device and method for a lithium-ion battery multi-module group. Background technique [0002] With the rapid development of data centers, higher energy density, reliability, and safety requirements are put forward for batteries that provide backup power. Lithium-ion batteries with higher energy density are widely used as substitutes for lead-acid batteries. Lithium-ion battery is a new type of rechargeable battery, which has the advantages of high single working voltage, small size, light weight, high energy density, long cycle life, small self-discharge current, no memory effect and no environmental pollution. The comprehensive performance of the battery is better than that of lead-acid, nickel-cadmium, nickel-metal hydride and metal lithium batteries, so it is the battery with the best performance at present, and can be widely used in portable electronic eq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/385G01R31/396
Inventor 袁启超钟义华曹波缪书坤杜宏宇王富存
Owner SHUANGDENG GRP
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