Real-time diagnosis device for high-voltage power supply line

The utility model belongs to the field of diagnostic devices, and particularly relates to a real-time diagnostic device for a high-voltage power supply line. The device comprises a box body, a third mounting plate and a second mounting plate are horizontally mounted on the outer side wall of the left side of the box body, the right ends of the third mounting plate and the second mounting plate are both mounted on the outer side wall of the left side of the box body, a first temperature sensor is mounted at the bottom of the third mounting plate, and an infrared temperature sensor is mounted at the bottom of the second mounting plate; a second temperature sensor is arranged on the left side of the box body and connected with the left side of the box body through a sleeve, one end of the sleeve is installed on the outer side wall of the left side of the box body, the second temperature sensor is installed at the other end of the sleeve, a first installation plate is horizontally installed in the box body, and a