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公开(公告)号：US10886054B2
公开(公告)日：2021-01-05
申请号：US15869452
申请日：2018-01-12
发明人： Quanliang Zhang , Na Dong , Min Zhou
摘要： The present disclosure provides a high-voltage transformer and an electronic power apparatus. The high-voltage transformer includes a magnetic core, a secondary coil unit, and a primary coil unit. The secondary coil unit includes a secondary winding; and the primary coil unit includes a primary winding and an insulating portion. The insulating portion forms at least one through hole. At least one primary winding encircle at least one through hole and is wrapped by the insulating portion and fixed in the insulating portion. The magnetic core passes through at least one through hole. A shielding layer is formed on a surface of the insulating portion, and the shielding layer is used for connecting a safety ground.
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公开(公告)号：US11477920B2
公开(公告)日：2022-10-18
申请号：US17077381
申请日：2020-10-22
发明人： Lin Lan , Weiqiang Zhang , Quanliang Zhang
摘要： The present disclosure relates to the field of power electronics technology, and proposes a power module, including: a case and an isolating part disposed in the case; a first air duct and a second air duct stacked to each other, separated by the isolating part, and penetrated in a front-to-rear direction in the case; a high-voltage power unit; a low-voltage power unit; and a transformer, including a high-voltage portion and a low-voltage portion, wherein the high-voltage portion includes a first magnetic core and a high-voltage coil disposed on the first magnetic core, and the low-voltage portion includes a second magnetic core and a low-voltage coil disposed on the second magnetic core, wherein the high-voltage power unit and the high-voltage portion are disposed in the first air duct, and the low-voltage power unit and the low-voltage portion are disposed in the second air duct.
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公开(公告)号：US11783987B2
公开(公告)日：2023-10-10
申请号：US17011135
申请日：2020-09-03
发明人： Quanliang Zhang , Shizhong Guo , Min Zhou , Lin Lan
CPC分类号： H01F27/085 , H01F27/327 , H01F2027/329
摘要： A transformer includes an insulation member, a high voltage part, and a low voltage part, the insulation member includes a first insulator, a second insulator, and a reference plane, the high voltage part is disposed on a first side of the reference plane, the low voltage part is disposed on a second side of the reference plane, the first insulator is disposed on the reference plane, at least a portion of the second insulator is located around the high voltage part, at least one air passage is formed by the insulation member, and at least a portion of the air passage is located within a height of the high voltage part in a normal direction of the reference plane.
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公开(公告)号：US11417456B2
公开(公告)日：2022-08-16
申请号：US16197784
申请日：2018-11-21
发明人： Quanliang Zhang
摘要： The present disclosure provides a high-voltage transformer and an electronic power apparatus. The high-voltage transformer includes a magnetic core, a secondary coil unit, and a primary coil unit. The secondary coil unit includes a secondary winding; and the primary coil unit includes a primary winding and an insulating portion. The insulating portion forms at least one through hole. At least one primary winding encircle at least one through hole and is wrapped by the insulating portion and fixed in the insulating portion. The magnetic core passes through at least one through hole. A shielding layer is formed on a surface of the insulating portion, and the shielding layer is used for connecting a safety ground and the electrical conductivity of the shielding layer is not more than 5000 S/m.
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公开(公告)号：US11250990B2
公开(公告)日：2022-02-15
申请号：US16856682
申请日：2020-04-23
发明人： Quanliang Zhang , Min Zhou , Shizhong Guo
摘要： A high-voltage transformer includes a magnetic core; at least a secondary coil unit including at least one secondary winding; at least a primary coil unit, comprising at least one primary winding and a first insulating portion, the first insulating portion forming at least one through hole, the primary winding encircling the through hole and being wrapped by the first insulating portion and fixed in the first insulating portion, the magnetic core passing through the through hole, a shielding layer being formed on a surface of the first insulating portion, and the shielding layer being used for connecting a safety ground; a second insulating portion formed by extending the first insulating portion; a first retaining wall presented in a closed ring shape, arranged on an end periphery of the second insulating portion; and a second retaining wall arranged in the first retaining wall.
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公开(公告)号：US11757363B2
公开(公告)日：2023-09-12
申请号：US17449090
申请日：2021-09-28
发明人： Lin Lan , Weiqiang Zhang , Yicong Xie , Quanliang Zhang , Jing Rong , Wei Zhou
CPC分类号： H02M3/33576 , H02M3/003 , H05K7/1432 , H05K7/20927
摘要： The invention discloses a power module and a power conversion device. The power module includes a primary converting unit including a first active device unit; a secondary converting unit including a second active device unit; a transformer including a primary unit connected to the primary converting unit and a secondary unit connected to the secondary converting unit; a first heat dissipating unit on which the primary unit and the first active device unit are disposed; a second heat dissipating unit on which the secondary unit and the second active device unit are disposed; and an insulating plate including an insulating plate body and a semi-conducting layer disposed on a surface of the insulating plate body.
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公开(公告)号：US11515080B2
公开(公告)日：2022-11-29
申请号：US16850896
申请日：2020-04-16
发明人： Peng Ma , Yicong Xie , Quanliang Zhang
摘要： A transformer includes a primary coil unit including a primary winding, a first insulating portion and a shielding layer, wherein the first insulating portion wraps the primary winding, the shielding layer covers an outer surface of the first insulating portion, the shielding layer includes an opening, and a part of the first insulating portion is exposed at the opening; an outgoing wire terminal in the opening and having a first portion and a second portion connected with each other, the first portion coupled to the primary winding and wrapped by the first insulating portion, the second portion being exposed out of the first insulating portion; a connecting wire having a first end connected to the second portion of the outgoing wire terminal; and an insulating sleeve partially wrapping the connecting wire, and a second end of the connecting wire being exposed out of the insulating sleeve, (FIG. 17).
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