Transformer area electrical parameter time-frequency analysis device

The utility model discloses a transformer area electrical parameter time-frequency analysis device which comprises a protection box body, an electrical parameter measuring instrument, a hinge, a box cover, a supporting structure and a wiring fixing structure, the electrical parameter measuring instrument is fixedly installed in an inner cavity of the protection box body, and the box cover is installed on one side of the protection box body in a hinged mode; a handle is fixedly connected to the outer surface of the protection box body, an opening is formed in the side edge of the protection box body, a rubber plug is tightly arranged at the opening in the side edge of the protection box body in a plugging mode, and a supporting structure is fixedly arranged on one side of the protection box body. The electrical parameter measuring instrument is provided with the wiring fixing structure, the wiring end of the electrical parameter measuring instrument can be clamped, limited and fixed through the wiring fixing s