电池管理系统温度采样电路的设计与研究  

Design and research on temperature acquisition circuit for battery management system

作　　者：高亚男 陈祥 石云烽 朱建新 张新丰[1] GAO Ya-nan;CHEN Xiang;SHI Yun-feng;ZHU Jian-xin;ZHANG Xin-feng(College of Automotive Studies,Tongji University,Shanghai 201804,China;;Corun CHS Technology Co.,Ltd.,Shanghai 201501,China)

机构地区：[1]同济大学新能源汽车工程中心,上海201804 [2]科力远混合动力技术有限公司,上海201501

出　　处：《电源技术》2018年第12期1901-1903,共3页Chinese Journal of Power Sources

基　　金：国家重大仪器开发专项(2012YQ15025602);国家高技术研究发展计划(2011AA11A207)

摘　　要：动力电池的工作温度范围决定电池的性能及寿命,因此实时检测动力电池的温度并结合相关热管理控制策略保证其工作在最佳工作温度范围具有重要意义。设计了电池管理系统的温度采样硬件电路,通过软件控制,能够准确地在816 ms内进行8路温度的采集,并通过上位机进行实时显示。在恒温箱中对照高精度温度采集仪测试结果表明,设计的温度采样电路在正常工作温度范围内(-40～70℃)的采样精度在1℃以内,满足电池管理系统温度采集的技术要求。Power battery operating temperature range determines the performance and life of the battery.Therefore,it is important to detect the temperature of the power battery in real time and to ensure that it works in the optimum operating temperature range in conjunction with the associated thermal management control strategy.Designed the temperature sampling hardware circuit of the battery management system and through the software controlling,it can accurately acquisit 8 channels temperature within 816 ms,and through the PC for real-time display.In the thermostat controlled high-precision temperature measurement instrument test results show that the temperature sampling circuit in the battery normal operating temperature range(-40~70℃)sampling accuracy within 1℃,satisfy the technical requirements of the battery management systemtemperature collection.

关 键 词：温度采集电路 混合动力汽车 热管理系统 电池管理系统 

分 类 号：TM912[电气工程—电力电子与电力传动]