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Slave control module and battery management system

A technology of a battery management system and a main module, which is applied to secondary batteries, battery circuit devices, arrangements of multiple synchronous batteries, etc., can solve the problem of inability to supplement low-capacity cells, the inability of battery packs to operate effectively for a long time, and the loss of electrical energy. And other issues

Pending Publication Date: 2018-07-06
BEIJING NAT BATTERY TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

This method can only discharge the single cells with high voltage, and cannot supplement the single cells with low capacity, and greatly consumes electric energy, making the battery pack unable to operate effectively for a long time

Method used

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  • Slave control module and battery management system
  • Slave control module and battery management system
  • Slave control module and battery management system

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] At present, the power battery packs of electric vehicles have poor performance. Based on this, the slave control module and battery management system provided by the embodiments of the present invention can be applied to the battery management system of electric vehicles and other battery management devices.

[0028] To facilitate the understanding of this embodiment, a slave ...

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Abstract

The invention provides a slave control module and a battery management system and relates to the field of battery management. The slave control module is applied to an electric vehicle. The slave control module comprises a power supply circuit, a single chip microcomputer circuit, a communication circuit, a voltage acquisition circuit, a temperature acquisition circuit and an active equalization circuit. The slave control module and the battery management system provided by the invention can ensure that a battery pack effectively operates for a long term.

Description

technical field [0001] The invention relates to the field of battery management, in particular to a slave control module and a battery management system. Background technique [0002] Under the background of advocating energy saving and emission reduction in the world, electric vehicles powered by on-board battery packs are attracting more and more attention. The on-board battery pack is composed of multiple single cells in series. The capacity of the entire battery pack system is determined by the single cell with the smallest capacity. The difference in battery capacity will reduce the actual available capacity of the battery pack, thereby affecting the performance of the entire battery pack. Therefore, the balanced treatment of battery capacity has become the key to improving the performance of the battery pack so that it can effectively provide power for electric vehicles for a long time. [0003] At present, the equalization of battery capacity usually uses a discharge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42H01M10/48H02J7/00B60L11/18
CPCH01M10/4207H01M10/4257H01M10/482H01M10/486H02J7/0014B60L58/18B60L58/22H01M2010/4271H01M2010/4278Y02T90/16Y02T10/70Y02E60/10
Inventor 姜新路南金瑞韩留义罗恒杨志垒耿晓明邹辉辉
Owner BEIJING NAT BATTERY TECH
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