Patent ID: 9666354
Date: 2017-05-30
CPC Classifications: H01F

Claim:
1. A transformer, comprising: a primary winding unit comprising: a secondary winding unit inductively coupled to the primary winding unit, wherein the first shielding winding part is disposed between the first input primary winding part and the secondary winding part; and a magnetic core, wherein the primary winding unit and the secondary winding unit are assembled to the magnetic core, wherein the second shielding winding part is disposed between the second input primary winding part and the secondary winding unit, and the first shielding winding part and the second shielding winding part are disposed on two opposite sides of the secondary winding unit, and the first input primary winding part, the second input primary winding part, the first shielding winding cart and the second shielding winding art are electrically connected.