应急照明灯具远程电源管理系统研究  

Study on remote power management system for emergency lighting fixtures

作　　者：迟耀丹[1] 刘永峰 赵阳[1] CHI Yao-dan;LIU Yong-feng;ZHAO Yang(College of Electrical and Computer Engineering,Jilin Jianzhu University,Jilin Changchun 130118,China)

机构地区：[1]吉林建筑大学电气与计算机学院

出　　处：《消防科学与技术》2019年第11期1573-1576,共4页Fire Science and Technology

基　　金：吉林省科技发展计划项目（20180201063SF）;吉林省科技发展计划项目（2018020152SF）;吉林省教育厅“十三五”科学技术项目（JJKH20180587KJ）

摘　　要：为解决自带电源型应急照明灯具储能蓄电池电量估计问题,针对锂电池提出一种荷电状态估计方法,搭建远程电源数据采集系统,获取电池电压电流信息,建立Thevenin等效电路模型,分析电池特征参数,基于开路电压法和安时积分法完成电池电量的在线估计任务,并搭建测试系统,验证模型精度。结果表明,模拟估计值与实际结果高度吻合,能够实现电量估计目的。In order to solve the problem of storage battery estimation for emergency lamps with built-in power supply,a SOC estimation method for lithium battery was studied.The remote power data acquisition system was established to obtain battery voltage and current information.Thevenin equivalent circuit model was established to analyze battery characteristic parameters.Based on open circuit voltage method and ampere-hour integral method,the task of online battery power estimation was completed.The test system was built to verify the accuracy of model.Results showed that the simulated value is highly consistent with the actual result,and the purpose of battery power estimation can be achieved.

关 键 词：应急照明 荷电状态 锂电池 Thevenin等效电路 

分 类 号：X924.4[环境科学与工程—安全科学] TP277.2[自动化与计算机技术—检测技术与自动化装置]