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公开(公告)号：US20230085737A1
公开(公告)日：2023-03-23
申请号：US17933123
申请日：2022-09-19
发明人： Haijun YANG , Yuxi WANG , Kaijun ZHU , Zengyi LU
摘要： Disclosed is a power conversion circuit, comprising a three-phase inductor and a switching conversion unit, and the three-phase inductor is integrated into a magnetic assembly, the magnetic assembly comprising: two magnetic yokes relatively parallel to each other; a first, a second and a third winding column spaced apart sequentially and located between the two magnetic yokes, and three windings wound around the first, the second and the third winding column in one-to-one correspondence for forming an phase inductor of the three-phase inductor respectively, and phase differences between power frequency currents flowing in any two of the windings are 120°; wherein when a reference current is applied to each of the windings, magnetic fluxes on the first and the third winding column have a first reference direction, and a magnetic flux on the second winding column has a second reference direction opposite to the first reference direction.
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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：US20240242881A1
公开(公告)日：2024-07-18
申请号：US18621061
申请日：2024-03-28
发明人： Xiaoxia SUN , Chunmei WANG , Jun SUN , Haijun YANG , Zengyi LU
IPC分类号： H01F27/40 , G01R15/18 , H01F27/02 , H01F27/06 , H01F27/24 , H01F27/28 , H01F27/29 , H01F27/32
CPC分类号： H01F27/402 , G01R15/185 , H01F27/02 , H01F27/06 , H01F27/24 , H01F27/2823 , H01F27/2847 , H01F27/29 , H01F27/325
摘要： An integrated magnetic element includes an base; a current sensor disposed on the base; and a transformer provided on the base through which the current sensor and the transformer are integrated into one part, the transformer including a magnetic core, a first winding comprising at least one wire, and a second winding, wherein a part of section of the one wire of the first winding passes through the current sensor, and current value of the part of section of the one wire is detected by the current sensor so as to obtain a total current value of the first winding of the transformer.
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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：US20220181077A1
公开(公告)日：2022-06-09
申请号：US17453867
申请日：2021-11-08
发明人： Li CHEN , Jiayou MA , Haijun YANG
摘要： A method for manufacturing a plastic article for a magnetic element, comprising: providing a first die core and a second die core opposite to each other along a first direction; providing a third die core adjacent to the first die core and the second die core along a second direction wherein the second direction is perpendicular to the first direction; providing at least one hole insert for forming a pin-fixing hole for fixing a lead-pin of a winding of the magnetic element, wherein the at least one hole insert is detachably mounted to at least one of the first die core, the second die core, and the third die core; and combining the first die core, the second die core, the third die core, and the at least one hole insert to form a mold with a cavity, wherein the cavity is injection molded to manufacture the plastic article.
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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：US20190312517A1
公开(公告)日：2019-10-10
申请号：US16450089
申请日：2019-06-24
发明人： Haijun YANG , Zengyi LU , Weilong XIA , Yajiang YAN
摘要： A multiple parallel-connected resonant converter, an inductor-integrated magnetic element and a transformer-integrated magnetic element are provided. The multiple parallel-connected resonant converter includes a first and a second converters. The first converter having a first input and output end includes a first inductor, a first transformer and a first capacitor connected in series. The second converter having a second input and output end includes a second inductor, a second transformer and a second capacitor connected in series. The second output end is connected with the first output end in parallel. The first and second inductor are integrated in a first magnetic element, the first magnetic element includes a first and second side column, and a first and second central column. The first inductor includes a first coil positioned around the first central column and the second inductor includes a second coil positioned around the second central column.
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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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公开(公告)号：US20190019610A1
公开(公告)日：2019-01-17
申请号：US16012869
申请日：2018-06-20
发明人： Zengyi LU , Haijun YANG , Shaohua ZHU
摘要： A magnetic element includes a magnetic core and a winding. The magnetic core includes a first and second magnetic cover disposed oppositely, and at least one first magnetic column, at least one second magnetic column and at least one common magnetic column disposed between the first and second magnetic covers. The winding includes at least one first winding wound around at least one first magnetic column, and at least one second winding wound around at least one said second magnetic column. A first differential mode inductor is formed with the first winding, the first magnetic column, the first magnetic cover, the common magnetic column and the second magnetic cover. A power inductor or a power transformer is formed with the second winding, the second magnetic column, the first magnetic cover, the common magnetic column and the second magnetic cover.
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公开(公告)号：US20180374802A1
公开(公告)日：2018-12-27
申请号：US15909954
申请日：2018-03-01
发明人： Xiangxing ZHENG , Wenhua LI , Quansong LUO , Yuanyuan DAN , Haijun YANG , Shaohua ZHU
CPC分类号： H01L23/645 , H01F27/24 , H01F27/28 , H01F27/2804 , H01F27/306 , H01F37/00 , H01L28/10 , H05K1/0243 , H05K1/0262 , H05K1/0263 , H05K1/165 , H05K2201/086 , H05K2201/09036 , H05K2201/1028
摘要： The present disclosure discloses an inductor structure mounted on a PCB board and a voltage regulator module having the same. The inductor structure includes inductor cores and inductor windings. The PCB board is provided with at least one hollow part, and the hollow part comprises a plurality of through holes spaced apart. The legs of the inductor cores are correspondingly inserted into the through holes at the corresponding positions of the hollow part, wherein any two adjacent through holes of the plurality of through holes have a spacer therebetween for use as the inductor winding of the inductor structure, and the thickness of the spacer is less than the thickness of the PCB board.
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