Online ground wire monitor

The utility model provides an online ground wire monitor which comprises an inductor, a wireless signal emitter, a wireless signal receiver, a single-chip microcomputer and an LED display screen. The inductor includes a connecting block, a fixed slot is transversely formed in the middle of the connecting block, a fixed ring of a circular ring shape is arranged in the fixed slot, the fixed ring is connected with a connecting rope, the connecting rope is connected with a ground wire, an electric control pin is fixedly mounted on the connecting block, a connecting hole is vertically formed in the top surface of the connecting block, and a pressure sensor is mounted at the bottom of the connecting hole. The online ground wire monitor has the advantages that the inductor is mounted on an electrical appliance or a line, when the ground wire is hung, the inductor can emit the using states and location information of the ground wire to the single-chip microcomputer via the wireless signal emitter, the single-chip mic