基于单片机控制的矿用锂电池组状态监测系统设计

针对矿用电机车的工作要求完成了锂电池组状态监测系统的功能设计,包括充放电信号监测、温度信号监测、放电维护以及对应的保护功能。在结构上,采用分布式的单片机控制方案,每个单电池具有独立的控制子单元,通过CAN总线实现数据传输。测试结果表明,该系统所检测的电压信号与万用表测量结果之间的偏差低于1%。

According to the working requirements of mining locomotive,the function design of lithium battery condition monitoring system is completed,including charge and discharge signal monitoring,temperature signal monitoring,discharge maintenance,charge equalization and corresponding protection functions.In structure,a distributed MCU control scheme is adopted.Each single cell has its own control sub-unit,and data transmission is realized by CAN bus.The main hardware design of the system is completed,including the main controller,charge and discharge maintenance circuit,monitoring module of electrical signal and temperature signal,communication module and so on.The debugging and testing results show that the deviation between the voltage signal detected by the system and the measurement results of the multimeter is less than 1%.

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