Insulating oil dielectric strength tester

The utility model discloses an insulating oil dielectric strength tester which comprises an outer shell, the outer shell is of a hollow structure, an inner box is arranged in the outer shell, a liquid outlet pipe is arranged at one end of the inner box, the other end of the liquid outlet pipe extends out of the outer shell, a connecting plate is arranged in the inner box in a sliding mode, and a detection end is arranged on the connecting plate. The ultraviolet disinfection lamp is arranged between the outer shell and the inner box and fixed to the inner wall of the outer shell, the ultraviolet disinfection lamp and the high-temperature disinfection lamp can fully purify and treat insulating oil, and operation is easy and convenient; the liquid inlet hopper introduces insulating oil into the inner box, the insulating oil is discharged through the liquid outlet pipe, meanwhile, the electric telescopic rod drives the connecting plate to move up and down, the connecting plate drives the detection end to move up