Shielding structure used in bus type current transformer

The utility model discloses a shielding structure used in a bus type current transformer, which comprises an insulator, an iron core, a secondary winding, a shielding net and a coil support, the iron core, the secondary winding, the shielding net and the coil support are sealed in the insulator, the secondary winding is wound on the annular iron core and is supported by the coil support, and the shielding net is arranged on the inner side of the secondary winding. The shielding net comprises a metal wire net, an insert and a metal foil, the metal foil is welded to the root of the insert, the two ends of the metal foil are in contact with the metal wire net in an umbrella shape, the metal wire net is further connected with the end of the insert in a welded mode, a stud is connected to the insert, a spring is arranged on the stud in a sleeved mode, and a plug pin penetrates through the stud to fix the spring. According to the shielding structure, the cylindrical insulator is formed by pouring the epoxy resin, t