Relay protection equipment failure rate evaluation device

The invention discloses a relay protection equipment failure rate evaluation device, which comprises a base, a connecting assembly, a clamping assembly, an exhaust assembly, a supporting assembly, a magnetic attraction control assembly and a temperature control detection assembly, and is characterized in that the connecting assembly, the supporting assembly and the temperature control detection assembly are mounted on the base, and the temperature control detection assembly and the clamping assembly are oppositely arranged on the base; the clamping assembly is arranged on the base and encloses a containing groove used for containing relay protection equipment, the side, facing the clamping assembly, of the temperature control detection assembly is connected with one end of the connecting assembly, the other end of the connecting assembly is connected with the clamping assembly so as to drive the clamping assembly to move back and forth on the base, and the exhaust assembly penetrates through the clamping asse