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公开(公告)号：US20190013633A1
公开(公告)日：2019-01-10
申请号：US16013922
申请日：2018-06-20
Applicant: Delta Electronics (Shanghai) Co.,Ltd.
Inventor： Xiaojun CHEN , Jinfa ZHANG , Daofei XU
Abstract: The present invention discloses a power adapter and an electronic device comprising the same. The power adapter comprises a housing, which has a plurality of end faces. The power adapter further comprises a power inlet socket, which is provided on any of the plurality of end faces. The end face on which the power inlet socket is provided, at least another one of the plurality of end faces, and the power inlet socket are formed as one body integrally.
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公开(公告)号：US20170345756A1
公开(公告)日：2017-11-30
申请号：US15600913
申请日：2017-05-22
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Guodong YIN , Jinfa ZHANG , Haijun YANG , Ben WU , Lei CAI , Zhongwei KE
IPC: H01L23/522 , H01L23/64 , H05K7/14 , H01L23/528 , H01L49/02
CPC classification number: H01L23/5227 , H01F27/2804 , H01F2027/2809 , H01F2027/2819 , H01L23/5286 , H01L23/645 , H01L28/10 , H05K1/0265 , H05K1/165 , H05K7/1457 , H05K2201/086 , H05K2201/1003 , H05K2201/1028 , H05K2201/10287
Abstract: A power module and a power device having the power module are disclosed. The power device includes a main board. The power module is inserted in the main board and includes a PCB, a magnetic element, a primary winding circuit and at least one secondary winding circuit. The magnetic element is provided on the PCB and includes a core structure, a primary winding and at least one secondary winding. The core structure has a first side and a second side opposite to each other, and a third side and a fourth side opposite to each other. The primary winding circuit is provided on the PCB and positioned in the vicinity of the first or second side of the core structure. The secondary winding circuit is provided on the PCB and positioned in the vicinity of the third or fourth side of the core structure.
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23.发明申请公开(公告)号：US20170302082A1
公开(公告)日：2017-10-19
申请号：US15407469
申请日：2017-01-17
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Bingwen WENG , Xuancai ZHU , Kerou WANG , Jinfa ZHANG
CPC classification number: H02J3/385 , G01R27/18 , G01R31/40 , H02M3/155 , H02M7/537 , H02M7/5387 , H02M2001/007 , H02S50/10 , Y02E10/58
Abstract: A detection circuit includes: a first switch, a second switch, a first detection resistor and a second detection resistor, wherein the first switch and the first detection resistor are coupled in series to form a first branch, a first end of the first branch is electrically connected with a positive bus of the photovoltaic inverter and a second end of the first branch is electrically connected with a ground; and the second switch and the second detection resistor are coupled in series to form a second branch, a first end of the second branch is electrically connected with a negative bus of the photovoltaic inverter and a second end of the second branch is electrically connected with the ground.
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公开(公告)号：US20240357778A1
公开(公告)日：2024-10-24
申请号：US18642833
申请日：2024-04-23
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Qunbo ZHENG , Linfeng ZHONG , Junhao XIA , Tengshen ZHANG , Jinfa ZHANG , Yuanyuan SONG
Abstract: Provided is a power element assembly structure, including a main board, a first heat sink, a second heat sink, an insulating support, a power element, an insulating thermally conductive layer, and a fixture; where a first end of the insulating support is connected to the main board, a second end of the insulating support is connected to a bottom surface of the first heat sink, and there is a distance between the first heat sink and the main board, a top surface of the first heat sink is connected to the second heat sink; and the insulating thermally conductive layer is attached to a lateral surface of the first heat sink, the power element is attached to the insulating thermally conductive layer, and is fixed to the first heat sink by the fixture, and the power element is plugged on the main board.
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公开(公告)号：US20220385199A1
公开(公告)日：2022-12-01
申请号：US17658257
申请日：2022-04-07
Applicant: Delta Electronics (Shanghai) Co.,Ltd.
Inventor： Hairui XU , Haibin SONG , Daofei XU , Jinfa ZHANG
Abstract: The application discloses a converter adaptable to a wide range output voltage and a control method thereof. The converter includes a PWM half-bridge circuit. The control method includes: causing the PWM half-bridge circuit to enter into a DCM by regulating a switching frequency; in each switching period, extending conduction time or turning on a corresponding synchronous rectifier once again for a predetermined time before the first power switch and the second power switch are turned on, to realize zero voltage switching (ZVS) of the first power switch and the second power switch. The application realizes ZVS of the primary power switches, thereby reducing loss.
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Patent Agency Ranking
公开(公告)号：US20220006389A1
公开(公告)日：2022-01-06
申请号：US17365992
申请日：2021-07-01
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Haibin SONG , Jian ZHOU , Hairui XU , Daofei XU , Jinfa ZHANG
Abstract: Disclosed are a voltage switching circuit and a power adapter having the same. The voltage switching circuit comprises a first switching circuit having a first terminal receiving a first voltage from a first converter, and a second switching circuit having a first terminal receiving a second voltage from a second converter. Second terminals of the first and second switching circuits are electrically connected to form a switching terminal for outputting an output voltage. When the output voltage is required to be switched from the first voltage to the second voltage, the first switching circuit is controlled to be turned off and then the second switching circuit is controlled to be turned on, and when a voltage at the first terminal of the second switching circuit is higher than a preset voltage, the second converter is shut down or kept off.
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公开(公告)号：US20210350974A1
公开(公告)日：2021-11-11
申请号：US17232531
申请日：2021-04-16
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Haibin SONG , Qi FU , Daofei XU , Jinfa ZHANG
Abstract: Present disclosure provides a winding assembly and a magnetic element. The winding assembly comprises a substrate with a central hole and a first winding disposed in the substrate, the first winding comprising two layers of coil wound around a central hole in the substrate; wherein, a second end of a first layer of coil away from the central hole is connected to a first end of a second layer of coil away from the central hole, and a first end of the first layer of coil close to the central hole and a second end of the second layer of coil close to the central hole serve as a starting-end and a finishing-end of the first winding, respectively. The magnetic element comprises a winding assembly and a magnetic core, and the winding assembly is sleeved on a magnetic leg of the magnetic core.
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公开(公告)号：US20210336439A1
公开(公告)日：2021-10-28
申请号：US17233522
申请日：2021-04-18
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Guoqiao SHEN , Changyong WANG , Jinfa ZHANG
IPC: H02J3/32
Abstract: A distributed power supply system includes a plurality of energy modules, a plurality of power conversion modules, and a bus voltage controller. The energy modules are electrically connected to a DC bus via corresponding power conversion modules, and the bus voltage controller is connected to the power conversion modules. An energy regulation method includes: acquiring at least one energy state parameter of the corresponding energy module and computing a base value of the respective power conversion module; generating a normalized control signal based on a bus voltage of the DC bus and transmitting the control signal to the power conversion modules by the bus voltage controller; and obtaining a specified control reference value of the power conversion module depending on the control signal and the base value and regulating the corresponding energy module depending on the specified control reference value by the power conversion module.
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公开(公告)号：US20210328240A1
公开(公告)日：2021-10-21
申请号：US17233568
申请日：2021-04-19
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Guoqiao SHEN , TSU-HUA AI , Jinfa ZHANG
IPC: H01M8/04828 , H01M8/04858
Abstract: An energy regulation method for a fuel cell energy supply system including a plurality of fuel cell power generation modules, a plurality of power conversion modules, and a communication control module connected to the plurality of power conversion modules includes: calculating a parameter average value based on an energy state parameter of the fuel cell power generation module; calculating a compensation factor depending on the energy state parameter and the parameter average value; calculating a control parameter reference value of each of the power conversion modules based on a droop algorithm, and multiplying the control parameter reference value by the corresponding compensation factor to obtain a control parameter set value of the power conversion module; and regulating the corresponding fuel cell power generation modules depending on the control parameter set value.
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公开(公告)号：US20210315112A1
公开(公告)日：2021-10-07
申请号：US17216804
申请日：2021-03-30
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Haibin SONG , Jian ZHOU , Daofei XU , Jinfa ZHANG
Abstract: A power adapter includes a first output port, a second output port, a motherboard, a first flyback power module, a second flyback power module, a bus capacitor and an EMI module. The first flyback power module has a first circuit board and is electrically connected to the first output port. The second flyback power module has a second circuit board and is electrically connected to the second output port. The EMI module has a third circuit board and is arranged on the motherboard. The first circuit board and the second circuit board are arranged in parallel with each other, and are arranged substantially perpendicular to the motherboard on a first side of the motherboard.
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