Transformer with wireless passive temperature sensing device on surface

The invention provides a transformer with a wireless passive temperature sensing device on a surface. The transformer includes a transformer body and a temperature sensor, wherein a first mounting groove, a second mounting groove and a third mounting groove are arranged on an upper end surface of a stand, the first mounting groove and the third mounting groove are symmetrically arranged, the second mounting groove and the third mounting groove are symmetrically arranged, the third mounting groove is internally clamped with an RFID label antenna, the RFID label antenna is provided with a temperature measuring chip, the first mounting groove is internally provided with a first magnetic buckle, the second mounting groove is internally provided with a second magnetic buckle, the RFID label antenna is provided with a first metal layer, and one side of the transformer body close to the stand is provided with a second metal layer. The transformer is advantaged in that metal on a surface of the transformer is electri