Switch cabinet partial discharge and temperature on-line monitoring device based on ultrahigh frequency method

The utility model belongs to the technical field of power equipment monitoring, and particularly provides a switch cabinet partial discharge and temperature on-line monitoring device based on an ultrahigh frequency method, which comprises a partial discharge monitoring host suspended on the side wall of a switch cabinet and used for completing data processing; the ultrahigh-frequency partial discharge sensor is arranged on the inner wall of the switch cabinet cable chamber and used for receiving ultrahigh-frequency electromagnetic wave radiation pulse signals excited by partial discharge in the switch cabinet cable chamber; the background noise sensor is arranged on the outer wall of the switch cabinet cable chamber and used for receiving space background noise interference signals; and the passive wireless temperature sensor is installed on a single-phase branch of the switch cabinet cable chamber and is used for acquiring the real-time temperature of the cable. According to the utility model, the partial di