Transformer with on-line automatic oil supplementing function

The transformer with the on-line automatic oil supplementing function comprises a transformer box body, a heat dissipation box and an oil supplementing box, the heat dissipation box and the oil supplementing box are fixedly connected to the right end and the left end of the transformer box body respectively, an oil immersion box is arranged in the transformer box body, and an oil supplementing barrel is arranged in the oil supplementing box; an oil barrel supporting plate is fixedly connected to the bottom of the oil supplementing barrel, the bottom of the oil barrel supporting plate is connected with the oil supplementing tank through a self-adaptive spring, the bottom of the self-adaptive spring is fixedly connected with the inner wall of the bottom of the oil supplementing tank, a one-way valve is arranged on the inner wall of the left side of the oil immersion tank, and the bottom of the oil supplementing barrel is connected with the one-way valve on the oil immersion tank through a conveying pipe. The de