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专利名称: 电动车用智能锂离子电池管理系统及其均衡控制方法
其他题名: Intelligent lithium ion battery management system for electric vehicle and balance control method thereof
作者: 袁学庆; 刘利; 任河; 李博; 马军贤
所属部门: 装备制造技术研究室
专利权人: 中国科学院沈阳自动化研究所
专利代理: 沈阳科苑专利商标代理有限公司 21002
专利国别: 中国
专利类型: 发明授权
专利状态: 有效
摘要: 本发明涉及一种电动车用智能锂离子电池管理系统,其特征在于:微控制器模块与电源模块、数据检测模块、充放电控制模块、安全保护模块、通讯模块、数据存储模块和均衡管理模块连接。其均衡控制方法包括:根据采集的电池单元内各单体电池电压数据,进行均衡自检;若均衡自检通过,判断是否开启均衡控制;若单体电池电压与均值电压差值大于设定阈值电压,且某一单体电池电压大于设定阈值时,根据单体电池电压得到的PWM占空比作为均衡时间进行均衡控制;否则不进行均衡控制。本发明为集中式电池管理系统,具有体积小,性能稳定,检测精度高,成本低,可靠性强等特点。
英文摘要: The invention relates to an intelligent lithium ion battery management system for an electric vehicle. The management system is characterized in that a microcontroller module is connected with a power supply module, a data detection module, a charge-discharge control module, a safety protection module, a communication module, a data storage module and a balance management module. The balance control method comprises the following steps: carrying out balance self-inspection according to each collected single cell voltage data in a cell unit; if the balance self-inspection is successful, judging whether to start balance control; if the difference between the single cell voltage and the average value voltage is larger than a preset threshold voltage and the voltage of a certain single cell is larger than a preset threshold, carrying out balance control with PWM duty ratio obtained based on the single cell voltage being as balance time; or otherwise, giving up carrying out the balance control. The management system in the invention is a centralized battery management system, and has the advantages of small size, stable performance, high detection precision, low cost and high reliability and the like.
是否PCT专利:
申请日期: 2013-03-13
公开日期: 2014-09-17
授权日期: 2016-06-15
专利申请号: CN201310079307.0
公布/公告号: CN104052087B
语种: 中文
产权排序: 1
内容类型: 专利
URI标识: http://ir.sia.cn/handle/173321/18931
Appears in Collections:装备制造技术研究室_专利

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Recommended Citation:
袁学庆,刘利,任河,等. 电动车用智能锂离子电池管理系统及其均衡控制方法. CN104052087B. 2014.
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