Title:
COMMUNICATION TRANSFORMER AND CORRESPONDING ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/279322
Kind Code:
A1
Abstract:
Embodiments of the present disclosure provide a communication transformer and an electronic device comprising the same. The communication transformer comprises: a primary winding comprising a first set of sub-windings arranged in layers and connected in series between a high-side input terminal and a low-side input terminal; a secondary winding spaced apart from the primary winding and comprising a second set of sub-windings arranged in layers and connected in series between a high-side output terminal and a low-side output terminal; a first shield layer arranged between the primary winding and the secondary winding and electrically connected to the low-side input terminal; and a second shield layer arranged between the first shield layer and the secondary winding and electrically connected to one of the second set of sub-windings nearest to the primary winding, the second shield layer being at a distance from the first shield layer. According to embodiments of the present disclosure, with the first shield layer and the second shield layer, the anti-interference ability of the communication transformer will be significantly improved.
Inventors:
XU YINGKUN (CN)
SHI HUAN (CN)
LIU WEI (CN)
LI JINCHENG (CN)
SHI HUAN (CN)
LIU WEI (CN)
LI JINCHENG (CN)
Application Number:
PCT/CN2021/105177
Publication Date:
January 12, 2023
Filing Date:
July 08, 2021
Export Citation:
Assignee:
ABB SCHWEIZ AG (CH)
XU YINGKUN (CN)
SHI HUAN (CN)
LIU WEI (CN)
LI JINCHENG (CN)
XU YINGKUN (CN)
SHI HUAN (CN)
LIU WEI (CN)
LI JINCHENG (CN)
International Classes:
H01F27/28
Foreign References:
| CN203013469U | 2013-06-19 | |||
| CN108122667A | 2018-06-05 | |||
| CN111312496A | 2020-06-19 | |||
| US20200211762A1 | 2020-07-02 |
Attorney, Agent or Firm:
KING & WOOD MALLESONS (CN)
Download PDF: