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公开(公告)号：US11644974B2
公开(公告)日：2023-05-09
申请号：US16655045
申请日：2019-10-16
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Guojin Xu , Guoqiao Shen , Yunfeng Liu , Qingsong Tao , Changliang Liu , Jinfa Zhang
CPC classification number: G06F3/0604 , G05B23/0221 , G06F1/04 , G06F3/05 , G06F3/0635 , G06F3/0673 , G06F12/023 , G01R31/40 , G05B15/00 , G06F3/0659
Abstract: A time-sharing wave recording method is provided. Firstly, N1 operating variables are selected, and the storage addresses of the N1 operating variables are mapped to N1 index variables. Then, N2 record channels in a sequential relationship are provided, and a mapping relationship between each record channel and the N1 index variables is established. Then, the values of the operating variables are assigned to a first record channel of the N2 record channels in response to a rising edge of a pulse of a clock signal and a start triggering signal, the values of the operating variables are sequentially assigned to the rest of the N2 record channels in response to a rising edge of each pulse of the clock signal and the start triggering signal, and the assigned values of the operating variables for the N2 record channels are recorded to the memory.
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52.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：US11610716B2
公开(公告)日：2023-03-21
申请号：US16835304
申请日：2020-03-31
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Yong Zeng , Teng Liu , Jianxing Dong
Abstract: A transformer comprises an iron core, a support module, a winding unit, a potting box. The potting box includes an inner wall, an outer wall and a bottom plate and the inner wall is sleeved in the outer wall. The bottom plate is connected to a bottom portion of the inner wall and a bottom portion of the outer wall and a potting space is defined by the outer wall, the inner wall and the bottom plate. The winding unit is disposed in the potting space and a magnetic pole of the iron core penetrates through an inner side of the inner wall of the potting box. The support module is disposed between at least one end surface of the potting box and a cover of the iron core to form an insulation clearance. The support module is close to the inner wall of the potting box.
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公开(公告)号：US20230081860A1
公开(公告)日：2023-03-16
申请号：US17886890
申请日：2022-08-12
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Wei Guan , Zhiguang Gao , Jun Chen , Yansong Lu , Changyong Wang
Abstract: An energy storage system is provided. The energy storage system includes a plurality of battery clusters, a plurality of power regulators, a transformer, and a central controller. The plurality of power regulators is configured to control charging and discharging of the plurality of battery clusters. Each power regulator is electrically coupled to corresponding two, at most, of the plurality of battery clusters. A first terminal of the transformer is electrically coupled to the plurality of power regulators, and a second terminal of the transformer is electrically coupled to the power grid. The central controller is coupled to the plurality of power regulators and the plurality of battery clusters for controlling the plurality of power regulators and the plurality of battery clusters. The central controller is in communication with the plurality of power regulators through optical fibers, and a data transmission rate of the optical fibers is greater than 1 Mbit/s.
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Patent Agency Ranking
公开(公告)号：US11605967B2
公开(公告)日：2023-03-14
申请号：US17144184
申请日：2021-01-08
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Hao Sun , Minli Jia , Jinfa Zhang
IPC: H02J7/02
Abstract: The present disclosure provides an on-board charger including a power supply terminal, a switching circuit, a first bridge arm, a second bridge arm, a third bridge arm, a fourth bridge arm, a first bus capacitor, a second bus capacitor, a first switch and a control circuit. The present disclosure can realize a compatibility of a single-phase power supply input or a three-phase power supply input through the cooperation of the switching circuit with the control circuit. Meanwhile, the number of bus capacitors is reduced in the operating state of the single-phase power supply input, accordingly not only the volume and cost of the on-board charger can be reduced, but also the charging power of the on-board charger can be increased, which has an advantage of strong applicability.
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公开(公告)号：US20230068964A1
公开(公告)日：2023-03-02
申请号：US17817656
申请日：2022-08-05
Applicant: Delta Electronics (Shanghai) Co.,Ltd.
Inventor： Hong LIU , Wen ZHANG , Wenfei HU , Cheng LU , Hongyang WU
Abstract: The application provides a dispersed carrier phase-shifting method and system. The method includes connecting at least two power modules to form a modular system; each power module including a control module for sampling at least twice a common state variate, signs of slopes of the common state variate at a first and second sampling time are opposite, and a reference time of the first sampling time for each control module is the same; and regulating a carrier frequency of the power module according to a relative size between a sampled values at the first and second sampling time. According to embodiments herein, carrier phase-shifting of modular system may be implemented without communication between respective modules. Under closed-loop control, optimal carrier phase-shifting can be automatically achieved under various duty ratios, thereby having good stability.
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公开(公告)号：US11594952B2
公开(公告)日：2023-02-28
申请号：US17444833
申请日：2021-08-11
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Chao Zhang , Wei Guan , Hongyang Wu , Feiqin Hao , Fayang Jiang
Abstract: An auxiliary power supply device for an inverter with a plurality of power modules connected in parallel is disclosed. The auxiliary power supply device includes: a plurality of soft-start circuits, each coupled to a DC port of a corresponding power module; a plurality of distributed auxiliary power supplies, each having an input terminal coupled to the DC port of the corresponding power module; and a centralized auxiliary power supply having an input terminal coupled to an AC side of the inverter, and an output terminal coupled to a DC side of the inverter. By replacing auxiliary power supplies on the AC sides of all power modules with the centralized auxiliary power supply and omitting soft-start circuits on the AC sides of all power modules, the present invention improves system performance in cost, volume, loss, and electromagnetic compatibility.
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公开(公告)号：US11581750B2
公开(公告)日：2023-02-14
申请号：US16996269
申请日：2020-08-18
Applicant: Delta Electronics (Shanghai) Co., Ltd.
Inventor： Jianhong Zeng , Benze Zou
Abstract: A wireless charging device includes a casing, a transmitter driving board and a transmitter coil assembly. The wireless charging device is used for charging a receiver coil of a mobile device. The transmitter driving board generates a first heat source. The transmitter driving board has a first thermal resistance. The transmitter coil assembly generates a second heat source. The transmitter coil assembly has a second thermal resistance. There is an interfacial thermal resistance between the transmitter coil assembly and the transmitter driving board. A product of a power dissipation of the second heat source and the second thermal resistance is lower than 15. The interfacial thermal resistance is higher than or equal to two times the first thermal resistance. A product of a power dissipation of the first heat source and the first thermal resistance is lower than or equal to 80.
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公开(公告)号：US11581119B2
公开(公告)日：2023-02-14
申请号：US16740554
申请日：2020-01-13
Applicant: Delta Electronics (Shanghai) CO., LTD
Inventor： Haibin Song , Qi Fu , Daofei Xu , Jinfa Zhang
Abstract: A magnetic device comprises two base portions and magnetic pillars, wherein each of the two base portions has a first surface and the two first surfaces are faced to each other, and the magnetic pillars are disposed between the two first surfaces along a first direction, wherein, in the first direction, two of the magnetic pillars located at the outermost side of the base portion are a first corner pillar and a second corner pillar respectively, n of the magnetic pillars having the same cross-sectional area and located at the center position of the base portion are n center pillars, and cross-sectional area of the magnetic pillars are gradually increased from the first corner pillar to the center pillar closest to the first corner pillar, and from the second corner pillar to the center pillar closest to the second corner pillar.
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