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公开(公告)号：US11984255B2
公开(公告)日：2024-05-14
申请号：US17068843
申请日：2020-10-13
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Xiaoxia Sun , Chunmei Wang , Jun Sun , Haijun Yang , Zengyi Lu
CPC classification number: H01F27/402 , G01R15/185 , H01F27/02 , H01F27/06 , H01F27/24 , H01F27/2823 , H01F27/2847 , H01F27/29 , H01F27/325
Abstract: An integrated magnetic element includes an accommodating part; a current sensor disposed on the accommodating part; and a transformer disposed on the accommodating part. The transformer includes a magnetic core, a first winding including a plurality of wires, and a second winding, wherein some of the plurality of wires passes through the current sensor to shunt and detect current flowing through the first winding, and current values of the wires are detected by the current sensor to obtain a total current value of the first winding of the transformer according to a shunt ratio by the winding construction of the preset transformer.
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公开(公告)号：US11251713B2
公开(公告)日：2022-02-15
申请号：US16449973
申请日：2019-06-24
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Haijun Yang , Zengyi Lu , Weilong Xia , Yajiang Yan
Abstract: 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：US11189415B2
公开(公告)日：2021-11-30
申请号：US16012869
申请日：2018-06-20
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Zengyi Lu , Haijun Yang , Shaohua Zhu
IPC: H01F27/24 , H01F27/28 , H02M7/217 , H02M7/04 , H02M3/155 , H01F27/26 , H02M3/335 , H01F27/38 , H01F27/36 , H01F3/14
Abstract: 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：US12068674B2
公开(公告)日：2024-08-20
申请号：US17588402
申请日：2022-01-31
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Haijun Yang , Zengyi Lu , Lijun Zhou
CPC classification number: H02M1/0064 , H01F27/24 , H01F27/306 , H01F27/38 , H02M3/1586 , H01F37/00 , H02M1/0043 , H02M3/01 , H02M3/335
Abstract: An integrated inductor and a power conversion module including the integrated inductor are provided. The integrated inductor includes a magnetic core, the magnetic core including two cover plates, two side columns and two central columns between the two side columns, and two windings wound around the two central columns respectively, forming two inductors. Each operating current flowing through the two windings includes a corresponding high-frequency current component, a phase difference between the high-frequency current components of the operating currents flowing through the two windings is 180 degrees.
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公开(公告)号：US11728087B2
公开(公告)日：2023-08-15
申请号：US16992166
申请日：2020-08-13
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Haijun Yang , Zengyi Lu , Tianding Hong , Jinfa Zhang
CPC classification number: H01F27/24 , H01F27/2804 , H01F41/041
Abstract: A magnetic dev ice includes a core structure, at least one inductor winding and at least two transformer windings. The core structure includes at least one inductor column and at least two transformer columns. The at least one inductor winding respectively winds around the at least one inductor column. The at least two transformer windings, wind around the at least two transformer columns respectively, and the transformer winding includes primary winding and secondary winding. Wherein the magnetic flax directions on adjacent transformer columns are opposite to each other when providing a current in the corresponding primary windings simultaneously.
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Patent Agency Ranking
公开(公告)号：US11482938B2
公开(公告)日：2022-10-25
申请号：US17015015
申请日：2020-09-08
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Zengyi Lu , Haijun Yang , Shiwei Liu , Jinfa Zhang
Abstract: 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：US10784034B2
公开(公告)日：2020-09-22
申请号：US15600975
申请日：2017-05-22
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Haijun Yang , Zengyi Lu , Weilong Xia , Guodong Yin , Jinfa Zhang
Abstract: A core structure includes a first magnetic cover, a second magnetic cover, and at least two winding columns and at least one common side column provided between the first magnetic cover and the second magnetic cover and opposite to each other. The side wall of the common side column towards the at least two winding columns is provided with at least one first protrusion which extends towards the gap formed between the two adjacent winding columns.
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8.发明授权公开(公告)号：US11626806B2
公开(公告)日：2023-04-11
申请号：US16944130
申请日：2020-07-30
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Na Dong , Lei Chang , Haijun Yang , Zengyi Lu
Abstract: A bidirectional isolated resonant converter includes a first side circuit, a second side circuit, and a resonant tank circuit. The resonant tank circuit includes a first resonant capacitor, a resonant inductor, an isolated transformer and a second capacitor. The first resonant capacitor, the resonant inductor and a first side winding of the isolated transformer are connected in series. A second side winding of the isolated transformer and the second capacitor are connected in series. The resonant inductor and the isolated transformer are integrated into an integrated magnetic component, wherein a magnetic core of the integrated magnetic component includes an inductor magnetic core portion on which an inductor winding is wound, a transformer magnetic core portion on which the first side winding and the second side winding are wound, and a common magnetic core portion shared by the resonant inductor and the isolated transformer to form closed magnetic paths, respectively.
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公开(公告)号：US11621123B2
公开(公告)日：2023-04-04
申请号：US16006805
申请日：2018-06-12
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Zengyi Lu , Haijun Yang , Shiwei Liu
IPC: H01F27/34 , H01F27/24 , H01F3/10 , H01F3/12 , H01F27/28 , H01F27/38 , H01F27/30 , H01F37/00 , H01F41/061
Abstract: 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：US10373754B2
公开(公告)日：2019-08-06
申请号：US15447267
申请日：2017-03-02
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Zengyi Lu , Shaohua Zhu , Haijun Yang
Abstract: A power supply module having two output voltages includes an inductor module and a main board. The inductor module includes a first magnetic core, a second magnetic core, an intermediate magnetic core disposed therebetween, a first winding and a second winding. The first winding is disposed on one of a magnetic column of the first magnetic core and a magnetic column of the intermediate magnetic core to form a first inductor. The second winding is disposed on one of a magnetic column of the second magnetic core and a magnetic column of the intermediate magnetic core to form a second inductor. There is no air gap at a portion of the intermediate magnetic core where magnetic paths of the first and second inductors pass through together. The inductor module is disposed on the main board. The first winding and the second winding are electrically connected with the main board.
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