Special vacuum breaking and air filtering device for transformer expansion tank capsule

The invention relates to a transformer oil conservator capsule vacuum breaking and air filtering special device which comprises a first quick connector, a connecting pipe, a vacuum pipe, a flange connector and a second quick connector, the first quick connector is connected with the vacuum pipe, a second stop valve is arranged on the vacuum pipe, and the other end of the vacuum pipe is connected with the connecting pipe; a flange connector is arranged at the joint of the vacuum pipe and the connecting pipe, a first stop valve is arranged on the connecting pipe, the end of the connecting pipe is connected with a second quick connector, and the end of the second quick connector is connected with a transparent hose. According to the transformer vacuum breaking device, the defect that air directly enters a capsule in a traditional transformer vacuum breaking method is overcome, the transformer vacuum breaking device is connected with a transformer during vacuum pumping, the device is additionally provided with a