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公开(公告)号：US20240363282A1
公开(公告)日：2024-10-31
申请号：US18762688
申请日：2024-07-03
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Chaofeng CAI , Jianhong ZENG , Shouyu HONG , Rui WU , Haoyi YE , Yiqing YE , Xiaoni XIN
CPC classification number: H01F27/2847 , H01F27/027 , H01F27/292 , H01F27/32 , H01F41/0233
Abstract: A transformer module and a power module are provided. The transformer module includes: a magnetic core, a first winding and a second winding. The magnetic core includes at least one magnetic column at least partially covered by a multi-layer carrier including a plurality of horizontal copper foils and connecting copper foils. Horizontal copper foils are located on horizontal wiring layers, and connecting copper foils are disposed to connect horizontal copper foils. First and second windings surround the magnetic column, and the second winding is located outside the first winding. Both the first and second windings are formed by a horizontal copper foil and a connecting copper foil; two ends of the first winding are electrically connected to first and second surface-mounted pins; two ends of the second winding are electrically connected to third and fourth surface-mounted pins; these pins are disposed on at least one surface of the transformer module.
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公开(公告)号：US20240055181A1
公开(公告)日：2024-02-15
申请号：US18492801
申请日：2023-10-24
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Chaofeng CAI , Xiaoni XIN , Jianhong ZENG , Shouyu HONG , Rui WU , Haoyi YE , Yiqing YE , Jinping ZHOU , Zhiheng FU , Min ZHOU , YU-CHING KUO , TONG-SHENG PAN , WEN-YU LIN
IPC: H01F41/08 , H01F41/064 , H01F41/02
CPC classification number: H01F41/08 , H01F41/064 , H01F41/0213 , H01F30/08
Abstract: The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, where a first insulating layer and a second wiring layer are sequentially disposed on the magnetic core from inside to outside; a first metal winding, wound around the magnetic core and comprising a first winding segment formed in the first wiring layer and a second winding segment formed in the second wiring layer; and a second metal winding, wound around the magnetic core and comprising a third winding segment formed in the first wiring layer and a fourth winding segment formed in the second wiring; where at least part of the first metal winding and the second metal winding are wound around the magnetic core in a foil structure.
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公开(公告)号：US20230230761A1
公开(公告)日：2023-07-20
申请号：US18156424
申请日：2023-01-19
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Shouyu HONG , Qingdong CHEN , Shuairan BI , Qian WAN , Zengsheng WANG , Ganyu ZHOU , Zhiheng FU , Jinping ZHOU , Yiqing YE
CPC classification number: H01F27/306 , H01F27/24 , H01F27/29 , H01F27/40
Abstract: The present disclosure provides a magnetic element, including: a magnetic core with at least one magnetic column extending along a first direction; a first winding surrounding the magnetic column; a second winding at least partially surrounding the first winding; and a third winding at least partially surrounding the second winding. The number of turns of the second winding is less than or equal to the number of turns of the first winding. The number of turns of the third winding is less than or equal to the number of turns of the first winding.
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公开(公告)号：US20230230747A1
公开(公告)日：2023-07-20
申请号：US18156427
申请日：2023-01-19
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Shouyu HONG , Qingdong CHEN , Shuairan BI , Qian WAN , Zengsheng WANG , Ganyu ZHOU , Zhiheng FU , Jinping ZHOU , Yiqing YE
CPC classification number: H01F27/24 , H01F27/306 , H01F27/292
Abstract: The present disclosure provides a magnetic element, including: a magnetic column extending along a first direction; a first winding surrounding the magnetic column, connected to a first terminal located on a first side of the magnetic element, and the first terminal has a first projection of the first terminal on a first side surface of the magnetic element; and a second winding surrounding the magnetic column and at least partially outside the first winding, wherein the second winding has a first projection of the second winding on the first side surface of the magnetic element, the first projection of the first terminal is at least partially outside the first projection of the second winding, the second winding is a flatwise-wound winding, and the number of turns of the first winding is greater than or equal to the number of turns of the second winding.
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公开(公告)号：US20240055182A1
公开(公告)日：2024-02-15
申请号：US18493818
申请日：2023-10-25
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Chaofeng CAI , Xiaoni XIN , Jianhong ZENG , Shouyu HONG , Rui WU , Haoyi YE , Yiqing YE , Jinping ZHOU , Zhiheng FU , Min ZHOU , YU-CHING KUO , TONG-SHENG PAN , WEN-YU LIN
IPC: H01F41/08 , H01F41/064 , H01F41/02
CPC classification number: H01F41/08 , H01F41/064 , H01F41/0213 , H01F30/08
Abstract: The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, a first wiring layer, a first insulating layer and a second wiring layer, where the first wiring layer, the first insulating layer and the second wiring layer are sequentially disposed on the magnetic core from outside to inside; a first metal winding, formed in the first wiring layer, where at least part of the first metal winding is wound around the magnetic core in a foil structure; the first insulating layer, at least partially covered by the first metal winding; a second metal winding, formed in the second wiring layer and wound around the magnetic core, where the second metal winding is at least partially covered by the first insulating layer, and at least partially covered by the first metal winding.
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Patent Agency Ranking
公开(公告)号：US20230411957A1
公开(公告)日：2023-12-21
申请号：US18332765
申请日：2023-06-12
Applicant: Delta Electronics (Shanghai) Co.,Ltd.
Inventor： Wulong CONG , Yiqing YE , Min ZHOU
CPC classification number: H02J1/10 , H02M3/1584
Abstract: The present invention discloses a power supply system and a power supply method. The power supply system includes: a load region, a load disposed in the load region, at least two preceding-stage power supply regions disposed around the load region, preceding-stage power modules disposed in the at least two preceding-stage power supply regions, at least two post-stage power supply regions disposed around the load region, and post-stage power modules disposed in the at least two post-stage power supply regions. The at least two preceding-stage power supply regions and the at least two post-stage power supply regions are arranged in a staggered manner. The preceding-stage power module and the post-stage power module are cascaded to supply power to the load.
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公开(公告)号：US20220014109A1
公开(公告)日：2022-01-13
申请号：US17372496
申请日：2021-07-11
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Yiqing YE , Yuan ZHOU , Haoyi YE , Xiaoni XIN , Zhiheng FU , Huayao BAO
Abstract: The invention provides a conversion circuit for converting input voltage into output voltage, including: a full-bridge rectifier circuit including first and second bridge arms connected in parallel and electrically connected between first and second ends of the output voltage; a first switch branch electrically connected between the first end of the input voltage and the first end of the output voltage, and including first and second switches connected in series to form a first connection node; a first resonant unit electrically connected between the first connection point and midpoint of the first bridge arm; and a first transformer including a first primary winding connected in series with the first resonant unit; and a first secondary winding connected between midpoint of the first bridge arm and midpoint of the second bridge arm. The conversion circuit of the invention improves conversion efficiency while maintaining smaller voltage stress on switches.
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公开(公告)号：US20220014110A1
公开(公告)日：2022-01-13
申请号：US17372506
申请日：2021-07-11
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Yiqing YE , Yuan ZHOU , Haoyi YE , Xiaoni XIN , Zhiheng FU , Huayao BAO
Abstract: The invention provides a conversion circuit for converting an input voltage into an output voltage, including: a first full-wave rectifier circuit including a first branch and a second branch connected in parallel, each including a winding and a rectifier switch connected in series to form a midpoint; a first switch branch including a first switch and a second switch connected in series to form a first connection node; and a first resonant unit connected between the first connection node and a midpoint of the second branch, wherein the first resonant unit is not connected in series to the windings of the transformer. The conversion circuit of the invention improves conversion efficiency while maintaining smaller voltage stress on switches.
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公开(公告)号：US20220014086A1
公开(公告)日：2022-01-13
申请号：US17372502
申请日：2021-07-11
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Yiqing YE , Yuan ZHOU , Haoyi YE , Xiaoni XIN , Zhiheng FU , Huayao BAO
Abstract: The invention provides a conversion circuit for converting input voltage into output voltage, including: a full-wave rectifier circuit including first and second branches connected in parallel, and each including a secondary winding and a rectifier switch; a first switch branch connected to midpoint of the first branch, and including first to fourth switches connected in series; a first resonant unit connected between connection node of the first and second switches and midpoint of the second branch; a second resonant unit connected between connection node of the third and fourth switches and midpoint of the second branch; a first primary winding connected in series to the first resonant unit; and a capacitor connected between connection node of the second and third switches and midpoint of the second branch. The conversion circuit of the invention improves conversion efficiency while maintaining smaller voltage stress on switches.
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公开(公告)号：US20200287472A1
公开(公告)日：2020-09-10
申请号：US16785858
申请日：2020-02-10
Applicant: Delta Electronics (Shanghai) CO., LTD
Abstract: The present disclosure provides a control method of a voltage conversion circuit. The voltage conversion circuit includes a DC voltage input terminal, a primary side switch unit, a resonant inductance, a transformer, a secondary side switch unit and a DC voltage output terminal which are electrically coupled. The resonant inductance is connected to the transformer in series. The voltage conversion circuit also includes a resonant capacitance which resonates with the resonant inductance. The control method includes: controlling switch elements in the primary side switch unit and the secondary side switch unit, so that a range of a ratio Ton/Tr of a total conduction time Ton to a resonant period Tr of the voltage conversion circuit is (0, 1.8)U(2.7, 3.7)U(4.8, 5.5), and a quality factor Q of the voltage conversion circuit is less than or equal to 5, that is, Q≤5. The control method provided by the embodiment of the present disclosure can reduce the conduction loss and the switching loss of the voltage conversion circuit, thereby improving the efficiency and reducing the cost.
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