基于UCOSⅡ锂离子电池监控管理系统的设计
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摘要
本文针对了新能源锂离子电池在电动车领域内的应用,提出了以STM32F103RCT6芯片和UCOSⅡ操作系统为核心的锂离子电池监控管理系统(BMS)设计方案,基于电源管理芯片bq7694003完成了外围电路设计的电压采集、电流采集、温度采集、防止电池过充/过放的均衡保护、SOC估算等功能的软硬件锂离子电池监控系统,具有良好的LCD和上位机用户界面。测试结果表明监控管理系统数据采集精度高,均衡效果好,可应用于锂离子电池组监控技术领域中。锂离子电池监控管理系统简单易用、性能好、成本低,是串联或者串并混联导致电池组充放电不均衡情况的一种良好的解决方案。
In this paper, the design scheme of lithium-ion battery monitoring and management system(BMS)with STM32 F103 RCT6 chip and UCOSⅡ operating systembased on the application of new energy lithiumion battery in the field of electric vehicles is proposed.. The hardware and software of the lithiumion battery monitoring system for the peripheral circuitof the power management chip bq7694003,the voltage, current and temperature sampling, balanced protection against battery overcharge/overdischarge, SOC estimationaredesigned.The user interface of the LCD and host computer is friendly.The test results of the monitoring and management system show that data acquisition accuracy is high and balance effectis good.And the system is applied to the field of lithium ion battery pack monitoring technology. The lithium-ion battery monitoring and management system is simple and easy to use, and its cost performance is high. It is a good solution for the imbalance of charge and discharge of the battery pack caused by series or serial-parallel hybrid.
In this paper, the design scheme of lithium-ion battery monitoring and management system(BMS)with STM32 F103 RCT6 chip and UCOSⅡ operating systembased on the application of new energy lithiumion battery in the field of electric vehicles is proposed.. The hardware and software of the lithiumion battery monitoring system for the peripheral circuitof the power management chip bq7694003,the voltage, current and temperature sampling, balanced protection against battery overcharge/overdischarge, SOC estimationaredesigned.The user interface of the LCD and host computer is friendly.The test results of the monitoring and management system show that data acquisition accuracy is high and balance effectis good.And the system is applied to the field of lithium ion battery pack monitoring technology. The lithium-ion battery monitoring and management system is simple and easy to use, and its cost performance is high. It is a good solution for the imbalance of charge and discharge of the battery pack caused by series or serial-parallel hybrid.
引文
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[2]郭斌峰.三元锂离子电池SOC估算[J].内燃机与配件,2018.09.17:195-196.
[3]陈正刚,徐立鹏,张其昌.锂离子电池组均衡方法的研究进展[J].电源技术,2018.11.11:1744-1748.
[4]罗卫军.动力锂离子电池SOC估算及均衡技术研究[D].西南科技大学,2017.
[5]刘力舟,锂离子电池测试系统设计与实现[D].西南科技大学,2017.
[6]姬祥.锂动力电池组主动均衡控制系统设计[D].西安建筑科技大学,2016.
[7]陈思媛,方正,胡伟锋.可充电锂电池剩余电量预测方法[J].中南大学学报,2018.09.09:2121-2128.
[8]韦振汉.锂离子电池荷电及健康状态预测方法研究[D].广西师范大学,2018.