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公开(公告)号：US10998118B2
公开(公告)日：2021-05-04
申请号：US15846140
申请日：2017-12-18
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Haibin Song , Zengyi Lu , Jinfa Zhang , Shiwei Liu , Jian Zhou , Daofei Xu , Jianwei Song
Abstract: The present disclosure discloses a PCB winding transformer and a coil board thereof. The PCB winding transformer comprises a coil board and a magnetic core. The coil board includes a primary coil and a secondary coil. The primary coil and the secondary coil are wound around a magnetic core column of the magnetic core. At least two via holes which correspond to the primary coil and the secondary coil respectively are disposed in the coil board. In the primary coil and the secondary coil, the via hole corresponding to the coil with less turns is disposed between an inner side of the coil with more turns and the magnetic core column.
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公开(公告)号：US20180174737A1
公开(公告)日：2018-06-21
申请号：US15846140
申请日：2017-12-18
Applicant: Delta Electronics (Shanghai) Co.,Ltd.
Inventor： Haibin Song , Zengyi Lu , Jinfa Zhang , Shiwei Liu , Jian Zhou , Daofei Xu , Jianwei Song
CPC classification number: H01F27/2804 , H01F27/24 , H01F2027/2819 , H01F2027/408 , H05K1/0298 , H05K1/115 , H05K1/165 , H05K3/46 , H05K2201/086 , H05K2201/09672
Abstract: The present disclosure discloses a PCB winding transformer and a coil board thereof. The PCB winding transformer comprises a coil board and a magnetic core. The coil board includes a primary coil and a secondary coil. The primary coil and the secondary coil are wound around a magnetic core column of the magnetic core. At least two via holes which correspond to the primary coil and the secondary coil respectively are disposed in the coil board. In the primary coil and the secondary coil, the via hole corresponding to the coil with less turns is disposed between an inner side of the coil with more turns and the magnetic core column.
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