基于multisim的锂电池充放电电流检测方法研究  

The Research of Lithium Battery Charge and Discharge Current Detection Method based on Multisim

作　　者：梁奇[1] 王顺利[1] 

机构地区：[1]西南科技大学信息工程学院,四川绵阳621010

出　　处：《电源世界》2015年第9期29-33,共5页The World of Power Supply

基　　金：四川省科技支撑计划(2014GZ0078);实验室开放基金(14xnkf09);实验技术研究项目(14syjs-78)

摘　　要：针对锂电池使用过程中的安全问题,探究锂电池充放电电流的测量方法。该方法结合滤波、放大、电压转换几部分,采用LM358运算放大器对锂电池充放电电流进行实时检测保护。实验结果表明,该方法能够滤除高频噪声影响,将电流信号转化成电压信号,并达到较好滤波平滑效果。该方法使用器件简单常见,且操作方便,测量误差小,精度高,能够有效保证锂电池充放电过程中的可靠性,对锂电池的安全使用具有一定技术和方法参考。Aiming at the security problems in application of lithium-ion battery pack, explore the measurement method of lithium battery charge and discharge current.The method combined with filtering and amplification, voltage conversion parts, using LM358 real-time detection arithmetic amplifier for lithium battery charge and discharge current protection.The experimental results show that this method can filter out high frequency noise influence, transform the current signal into voltage signal, and achieve better filtering smoothing effect.The method uses common, simple device and convenient operation, small measuring error, high accuracy, can effectively guarantee the reliability of lithium battery charge and discharge process, the safety of the lithium battery using the technology and methods have a certain reference.

关 键 词：锂电池 电流检测 MULTISIM 

分 类 号：TM912.9[电气工程—电力电子与电力传动]