Ground wire on-line monitoring device

The utility model relates to the technical field of monitoring devices, in particular to a ground wire on-line monitoring device, which comprises a ground wire on-line monitoring device, a communication module, a main control module, a ground wire monitoring module and a collecting and processing module. The communication module comprises a processing chip, a chip matching device and a built-in antenna, and the chip matching device is electrically connected with the processing chip and the built-in antenna respectively; the master control module comprises a processor and processor corollary equipment, and the processor is electrically connected with the processor corollary equipment and the processing chip. The utility model provides an on-line monitoring device for a ground wire, which adopts monitoring equipment to monitor a magnetic field generated by current, so as to realize real-time on-line monitoring of the state of the ground wire in a wireless mode, timely feedback of looseness and damage of the gro