基于Modbus的快捷应急电源充电状态监测系统研究

Research on charging state monitoring system of quick emergency power supply based on Modbus

极端自然天气下输电线路在线监测设备容易失电,而快捷应急电源对其重启动、再上线具有重要的作用,对输电线路的安全运行具有重要意义。设计了一种基于STM32单片机以及Modbus通信技术的快捷应急电源充电状态监测系统装置设计方案。该监测系统下位机硬件以STM32单片机为控制核心,使用Modbus通信技术实现监测平台与应急电源充电、放电数据的传输,并在PC机设计监测软件,实现对应急电源状态监测的功能。实验结果表明:该系统可以满足在线监测设备应急电源中对于充电状态的检测要求,并具有高准确度、实时性强和易操作的优点。

In the extreme natural weather,the online monitoring equipment of transmission lines is prone to power loss.Under this case,the quick emergency power supply plays an important role in lifting and re-launching of the online monitoring equipment,thus is of great significance to the safe operation of transmission lines.A monitoring system device design scheme is designed for quick emergency power supply based on STM32 MCU and Modbus communication technology.The hardware of the lower computer of the monitoring system takes STM32 single chip computer as the control core,uses Modbus communication technology to realize the transmission of charging and discharging data between the monitoring platform and emergency power supply,and designs monitoring software on PC to realize the function of monitoring the status of emergency power supply.The experimental results show that the system can meet the requirement of charging state detection in emergency power supply of on-line monitoring equipment,and has the advantages of high accuracy,real-time and easy operation.