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公开(公告)号：US20210083590A1
公开(公告)日：2021-03-18
申请号：US17015015
申请日：2020-09-08
发明人： Zengyi LU , Haijun YANG , Shiwei LIU , Jinfa ZHANG
摘要： An isolated resonant converter is provided, including a first side circuit, a second side circuit, and a resonant tank circuit. The resonant tank circuit includes a first resonant capacitor, a second resonant capacitor, and an integrated magnetic element. The integrated magnetic element includes a first side winding, a second side winding and a spaced groove provided between the first side winding and the second side winding. And the spaced groove stores leakage inductance energy, thereby forming at least part of resonant inductance required. Therefore, a number and volume of magnetic elements in the resonant converter are reduced.
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公开(公告)号：US20210233699A1
公开(公告)日：2021-07-29
申请号：US17216590
申请日：2021-03-29
发明人： Haibin SONG , Zengyi LU , Jinfa ZHANG , Shiwei LIU , Jian ZHOU , Daofei XU , Jianwei SONG
摘要： The present disclosure discloses a PCB winding transformer. The PCB winding transformer includes a magnetic core and a coil board with a multilayer structure. The coil board includes a primary coil and a secondary coil wound around a magnetic core column of the magnetic core. The secondary coil is located in a first layer and a last layer, and the primary coil is located in intermediate layers. The number of turns of the secondary coil is less than that of the primary coil. At least one via hole for connecting the first layer and the last layer of the secondary coil is disposed in the coil board between an inner side of the primary coil and the magnetic core column.
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公开(公告)号：US20240071674A1
公开(公告)日：2024-02-29
申请号：US18501051
申请日：2023-11-03
发明人： Shiwei LIU , Lei CHANG , Haijun YANG , Zengyi LU , Jinfa ZHANG
IPC分类号： H01F27/22 , B60L53/122 , H01F27/24 , H01F27/32
CPC分类号： H01F27/22 , B60L53/122 , H01F27/24 , H01F27/325
摘要： The present disclosure provides a magnetic component and a power module, relating to the technical field of power electronics; the magnetic component provided by the present disclosure includes: a first heat sink, a magnetic core extending in a transverse direction and a winding structure wound on the magnetic core, the winding structure includes at least a first coil and a second coil arranged adjacently along the transverse direction, a gap is provided between the first coil and the second coil, at least part of the first heat sink is arranged in the gap, the first heat sink is in thermal contact with the first coil, the second coil and the magnetic core.
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公开(公告)号：US20210376809A1
公开(公告)日：2021-12-02
申请号：US17213252
申请日：2021-03-26
发明人： Haijun YANG , Shiwei LIU
摘要： A filter inductor, which includes: an outer magnetic core with a window, an inner magnetic core, and a winding. The inner magnetic core includes a first inner magnetic core and a second inner magnetic core which are located at least partially in the window. The winding includes a first winding, a second winding, a third winding and a fourth winding which are wound around the outer magnetic core at intervals. The first inner magnetic core and the second inner magnetic core are stacked. For the first inner magnetic core, a first end is located between the first winding and the second winding, and a second end is located between the third winding and the fourth winding. For the second inner magnetic core, a first end is located between the second winding and the third winding, and a second end is located between the fourth winding and the first winding.
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公开(公告)号：US20230162911A1
公开(公告)日：2023-05-25
申请号：US18151484
申请日：2023-01-09
发明人： Zengyi LU , Haijun YANG , Shiwei LIU
CPC分类号： H01F27/346 , H01F27/24 , H01F27/2823 , H01F27/38 , H01F27/2847 , H01F27/306 , H01F37/00 , H01F41/061
摘要： A multi-coil inductor includes a plurality of stacked inductor units. Each of the inductor units comprises: a magnetic core in which a magnetic path is formed; and a plurality of coils which are wound around the magnetic core to form at least one winding pair. Wherein a part of the magnetic path between the adjacent inductor units is shared. In the present invention, the leakage inductance is controlled and the may be magnetic saturation of magnetic core avoided by adjusting series and parallel connections among the coils.
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公开(公告)号：US20210358673A1
公开(公告)日：2021-11-18
申请号：US17322922
申请日：2021-05-18
发明人： Zengyi LU , Haijun YANG , Shiwei LIU , Jinfa ZHANG
摘要： The disclosure provides a magnetic assembly and a power supply apparatus. The magnetic assembly of the present disclosure includes: a first magnetic core, a plurality of windings, a housing and a second magnetic core, where the first magnetic core has a winding area, and the plurality of windings are wound with an interval on the winding area of the first magnetic core; the housing has an accommodating cavity, and at least part of the plurality of windings is accommodated in the accommodating cavity, and the second magnetic core is arranged between a cavity wall of the accommodating cavity and the plurality of windings. According to the present disclosure, parasitic parameters such as leakage inductance of the magnetic assembly are relatively stable, and the power supply efficiency is improved and higher.
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公开(公告)号：US20190311846A1
公开(公告)日：2019-10-10
申请号：US16360185
申请日：2019-03-21
发明人： Liangliang REN , Shiwei LIU , Hongbao WANG , Dezhi JIAO , Zengyi LU , Jinfa ZHANG
摘要： A transformer is disclosed, including a magnetic core, a bobbin, a primary winding wound around the bobbin, at least a first secondary winding and a second secondary winding and at least one turn of coil of the first secondary winding is adjacent to at least one turn of coil of the second secondary winding, and the first secondary winding and the second secondary winding are applied in a full-wave rectifier circuit. A leakage inductance groove is provided between a primary winding groove for winding the primary winding and a secondary winding groove for winding the secondary winding for isolating the primary winding and the secondary winding.
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公开(公告)号：US20190252114A1
公开(公告)日：2019-08-15
申请号：US16211349
申请日：2018-12-06
发明人： Zengyi LU , Xinwei LIU , Shiwei LIU , Xingkuan GUO , Jinfa ZHANG
CPC分类号： H01F27/306 , H01F3/14 , H01F27/24 , H01F27/346 , H01F27/38 , H01F30/12 , H01F37/00 , H02M3/24 , H02M3/285 , H02M3/33569 , H02M2001/0058
摘要： The present disclosure relates to a magnetic component, a converter and an inductor. The magnetic component includes a magnetic core including a first winding window, a second winding window and a third winding window; and a winding including a first winding, a second winding and a third winding, which are wound in the first winding window, the second winding window and the third winding window, respectively, wherein when an alike current flows through the first winding, a second winding and the third winding, magnetic fluxes respectively generated in magnetic core units forming the first winding window and the second winding window are superposed on a first common magnetic column therebetween, and magnetic fluxes respectively generated in magnetic core units forming the second winding window and the third winding window are superposed on a second common magnetic column therebetween.
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公开(公告)号：US20190115149A1
公开(公告)日：2019-04-18
申请号：US16006805
申请日：2018-06-12
发明人： Zengyi LU , Haijun YANG , Shiwei LIU
摘要： A multi-coil inductor includes a plurality of stacked inductor units. Each of the inductor units comprises: a magnetic core in which a magnetic path is formed; and a plurality of coils which are wound around the magnetic core to form at least one winding pair. Wherein a part of the magnetic path between the adjacent inductor units is shared. In the present invention, the leakage inductance is controlled and the maybe magnetic saturation of magnetic core avoided by adjusting series and parallel connections among the coils.
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