| 高精度动力电池组电压采集单元的设计 |
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| 引用本文： | 杨虎,杜常清,颜伏伍,张佩.高精度动力电池组电压采集单元的设计[J].电源技术,2011,35(10):1221-1223,1226. |
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| 作者姓名： | 杨虎 杜常清 颜伏伍 张佩 |
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| 作者单位： | 武汉理工大学汽车工程学院,湖北武汉,430070 |
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| 基金项目： | 国家“863”计划(2008AA11A156) |
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| 摘 要： | 通过完善现有的串联电池组单体电压测量电路,开发了一种动力电池组电压采集单元,解决了电池管理系统中电压采集模块硬件电路复杂,成本高和测量精度低的问题.开发的采集单元采用光电继电器切换巡检的方式,后级精密电阻分压,高精度片外AD转换,转换结果经单片机处理后通过485数据总线发送给电池管理系统主控单元.电池组放电试验结果表明...
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| 关 键 词： | 动力电池组 高精度 电压采集单元 |
Design of an accurate voltage detecting unit for power batteries pack |
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| YANG Hu,DU Chang-qing,YAN Fu-wu,ZHANG Pei.Design of an accurate voltage detecting unit for power batteries pack[J].Chinese Journal of Power Sources,2011,35(10):1221-1223,1226. |
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| Authors: | YANG Hu DU Chang-qing YAN Fu-wu ZHANG Pei |
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| Affiliation: | YANG Hu,DU Chang-qing,YAN Fu-wu,ZHANG Pei (School of Automobile Engineering,Wuhan University of Technology,Wuhan Hubei 430070,China) |
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| Abstract: | A kind of voltage detecting unit was developed to improve the current voltage measurement circuit for series batteries,which had solved the problems of voltage detecting model such as complicated hardware,high cost,and low precision.The photoelectric relay was adopted in this unit to detect the voltage of battery one by one and sent the result to the host unit by 485 data bus.The discharge test show that the performance of the unit is steady and the precision can be 5 mV,which means this unit has a huge adv... |
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| Keywords: | power batteries pack high accuracy voltage detecting unit |
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