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公开(公告)号：US20210313889A1
公开(公告)日：2021-10-07
申请号：US17158278
申请日：2021-01-26
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Jian ZHOU , Haibin SONG , Daofei XU , Jinfa ZHANG
Abstract: The present disclosure relates to an adapter. The adapter includes an input port, a first output port and a second output port, and the adapter further includes: a rectifier circuit having an input terminal being connected to the input port of the adapter; a bus capacitor connected to an output terminal of the rectifier circuit in parallel; a first flyback converter having an input terminal connected to the bus capacitor and an output terminal coupled to the first output port; and a second flyback converter having an input terminal connected to the bus capacitor and an output terminal coupled to the second output port.
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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
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Zengyi LU , Xinwei LIU , Shiwei LIU , Xingkuan GUO , Jinfa ZHANG
CPC classification number: H01F27/306 , H01F3/14 , H01F27/24 , H01F27/346 , H01F27/38 , H01F30/12 , H01F37/00 , H02M3/24 , H02M3/285 , H02M3/33569 , H02M2001/0058
Abstract: 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：US20190245430A1
公开(公告)日：2019-08-08
申请号：US16239554
申请日：2019-01-04
Applicant: Delta Electronics (Shanghai) Co.,Ltd.
Inventor： Peiai YOU , Hao SUN , Jinfa ZHANG
Abstract: A power conversion apparatus is provided, which comprises a housing, a mother board, an electromagnetic filter board, a signal board, and a heat-dissipation module. The housing includes a first heat-dissipation wall and a coolant passage. The mother board is disposed upon the housing, and comprises a first surface facing the housing and a first power device. The heat-dissipation module includes a first insulated heat-conducting sheet adhered to the corresponding first heat-dissipation wall and a first elastic clamp. When the first surface of the mother board approaches the housing to clamp the first power device within the accommodating space, the first power device is pressed against by the first elastic clamp and thus adhered to the first insulated heat-conducting sheet, so that the first power device is thermally coupled to the first heat-dissipation wall and the coolant passage via the first insulated heat-conducting sheet.
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公开(公告)号：US20180294731A1
公开(公告)日：2018-10-11
申请号：US15944820
申请日：2018-04-04
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Haibin SONG , Jinfa ZHANG , Daofei XU
IPC: H02M3/335
CPC classification number: H02M3/33523 , H02M3/33569 , H02M2001/0009 , Y02B70/1475 , Y02B70/1491
Abstract: A control device applied to a flyback converter including an auxiliary switch includes: a current detector configured to detect an amplitude of a current of the flyback converter to obtain an amplitude of a negative magnetizing current of the flyback converter; and a comparator controller configured to compare the amplitude of the negative magnetizing current obtained by the current detector with a reference value, and turn off the auxiliary switch according to a comparison result. According to the present disclosure, it is able to achieve zero-voltage switching of a primary-side switch of the flyback converter with variable outputs.
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公开(公告)号：US20170302196A1
公开(公告)日：2017-10-19
申请号：US15486467
申请日：2017-04-13
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Bingwen WENG , Jianming CHEN , Xuancai ZHU , Jinfa ZHANG
IPC: H02M7/5387 , H02M1/32 , H02M1/44 , H02M1/08 , H02M1/00
CPC classification number: H02M7/53871 , H02M1/08 , H02M1/088 , H02M1/32 , H02M1/44 , H02M7/5387 , H02M2001/0048
Abstract: An inverter includes a first bridge leg, first to fourth MOSFET switches; a second bridge leg, connected in parallel with the first bridge leg, and fifth to eighth MOSFET switches; a third bridge leg, electrically coupled between a first node and a second node, and ninth to twelfth MOSFET switches; a first diode, connected in parallel with the anti-series connected first and second MOSFET switches; a second diode, connected in parallel with the anti-series connected third and fourth MOSFET switches; a third diode, connected in parallel with the anti-series connected fifth and sixth MOSFET switches; a fourth diode, connected in parallel with the anti-series connected seventh and eighth MOSFET switches; a fifth diode, connected in parallel with the anti-series connected ninth and tenth MOSFET switches; a sixth diode, connected in parallel with the anti-series connected eleventh and twelfth MOSFET switches.
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Patent Agency Ranking
公开(公告)号：US20240396436A1
公开(公告)日：2024-11-28
申请号：US18669542
申请日：2024-05-21
Applicant: Delta Electronics (Shanghai) Co.,Ltd.
Inventor： Jinfa ZHANG , Xiaolei WANG
Abstract: The disclosure provides a method and a system for warming-up an electrolytic capacitor. The method comprises: providing a power factor correction circuit comprising an AC terminal, a DC terminal and the electrolytic capacitor, wherein the DC terminal is connected in parallel to the electrolytic capacitor; determining whether it is necessary to perform a warm-up operation on the electrolytic capacitor; when it is determined to be necessary, generating a ripple current on the electrolytic capacitor by controlling an input current to flow into the AC terminal of the power factor correction circuit; and when the warmed-up state of the power factor correction circuit that is generated based on the ripple current matches a specified warmed-up exit condition, terminating the warm-up operation performed on the electrolytic capacitor.
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公开(公告)号：US20230337405A1
公开(公告)日：2023-10-19
申请号：US18340907
申请日：2023-06-26
Applicant: Delta Electronics (Shanghai) Co.,Ltd.
Inventor： Kai DONG , Yong HUANG , Zhongwei KE , Jinfa ZHANG
CPC classification number: H05K7/20927 , H02M3/003 , H02M1/327
Abstract: The present application provides a power supply system for supplying power to network device, comprising power supply module, housing, and stereoscopic accommodating space therebetween. The power supply module without a fan comprises: a primary circuit comprising at least one primary switch and configured to receive AC input voltage and convert the AC input voltage into a first voltage; a transformer comprising primary and secondary windings and configured to convert the first voltage into a second voltage, the primary winding is coupled to the primary circuit; and a secondary circuit comprising at least one secondary switch and configured to convert the second voltage into a DC output voltage for the network device, the secondary circuit is coupled to the secondary winding, the secondary switch adopts SMT package, and power density of the power supply module is 60 W/inch3 or more. The stereoscopic accommodating space is filled with liquid coolant for cooling.
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公开(公告)号：US20220026859A1
公开(公告)日：2022-01-27
申请号：US17377392
申请日：2021-07-16
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Jian LI , Qingsong TAO , Guojin XU , Guoqiao SHEN , Jinfa ZHANG
Abstract: The present application provides a multi-unit cooperative distributed electrical control system and an electrical system. The control system includes multiple type-I embedded control units and at least one type-II embedded control unit, and a type-I embedded control units communicates with another type-I embedded control unit through the at least one type-II embedded control unit. A first type-I embedded control unit generates, according to functional information stored therein, a functional data packet, and then forwards the functional data packet to an adjacent second type-I embedded control unit through the type-II embedded control unit, so that the second type-I embedded control unit determines whether the received functional data packet passes a checking; if passed, the second type-I embedded control unit performs a corresponding operation; if not passed, do not perform a corresponding operation or it is determined that the functional data packet is abnormal.
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公开(公告)号：US20210367508A1
公开(公告)日：2021-11-25
申请号：US17146471
申请日：2021-01-11
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Haibin SONG , Jian ZHOU , Qi FU , Daofei XU , Jinfa ZHANG
Abstract: The present invention discloses a power factor correction circuit. The power factor correction circuit includes: a first bridge arm having a first switch and a second switch; a second bridge arm having a third switch and a fourth switch; a first inductor and a second inductor; a first capacitor and/or a second capacitor connected with a common point between the second inductor and the first inductor; and a third capacitor and/or a fourth capacitor, the third capacitor connected in parallel to the third switch based on an arrangement of the second capacitor and having a capacitance value same as that of the second capacitor, the fourth capacitor connected in parallel to the fourth switch based on an arrangement of the first capacitor and having a capacitance value same as that of the first capacitor.
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公开(公告)号：US20210350973A1
公开(公告)日：2021-11-11
申请号：US17226458
申请日：2021-04-09
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Qi FU , Haibin SONG , Daofei XU , Zengyi LU , Jinfa ZHANG
Abstract: Present disclosure provides a winding assembly and a magnetic element. The winding assembly includes a circuit board with a central hole and a first winding wound around the central hole in the circuit board; the first winding includes N turns of coil on at least two wiring layers; a second end of at least one turn of coil on a first wiring layers is connected to a first end of next turn of coil at corresponding position on a second wiring layer of the circuit board. The magnetic element includes a magnetic core and a winding assembly sleeved on a magnetic leg.
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