Transmission line electric current state on -line monitoring system

The utility model discloses a transmission line electric current state on -line monitoring system, this system include control center, data transmission terminal and monitor terminal, data transmission terminal carries out radio communication with control center, monitor terminal respectively, monitor terminal enlargies detecting element, MCU processing unit and wireless RF communications unit including the accurate rectifier unit of current data acquisition unit, all -wave, second order low -pass filtering unit, sample and hold unit, the difference that connect gradually. The utility model provides a measured data that transmission line state on -line monitoring system passes through the electric current monitors the running state of wire directly perceivedly, has improved on -line monitoring's accuracy and real -time.