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1. 发明公开

EP2736157A4 FORWARD-FLYBACK DC-DC CONVERTER TOPOLOGY WITH HIGH EFFICIENCY AND LOW COST 审中-公开
标题翻译：拓扑向前FLYBACK GLEICHSPANNUNGSWANDLESR效率高，成本低
公开(公告)号：EP2736157A4
公开(公告)日：2015-10-21
申请号：EP12814566
申请日：2012-07-23
申请人： SANTAK ELECTRONIC SHENZHEN CO LTD
发明人： HU ZHILUN , GU YILEI , WEN ZHIWEI , ZHANG CHANGDAN
IPC分类号： H02M3/28 , H02M1/00 , H02M3/335 , H02M3/338
CPC分类号： H02M3/3353 , H02M3/33507 , H02M3/33523 , H02M3/33538 , H02M3/33553 , H02M3/33569 , H02M2001/0058 , Y02B70/1433 , Y02B70/1491
摘要： A forward-flyback DC-DC converter topology includes a transformer, a main switch tube, a clamp circuit, first and second rectifying switch tubes, an LC resonant circuit and an output capacitor; a primary winding of the transformer and the main switch tube are connected in series between a first input terminal and a second input terminal, the clamp circuit constituted by a clamp capacitor and a clamp switch tube connected in series is connected in parallel with the primary winding or with the main switch tube, a secondary winding of the transformer includes a forward winding and a flyback winding, a terminal of the primary winding through which current flows into is a dotted terminal of the primary winding, and a connecting mode of a secondary side of the transformer is: the dotted terminal of the forward winding being connected with a first output terminal via the first rectifying switch tube, a dotted terminal of the flyback winding being connected with a second output terminal via the second rectifying switch tube, the LC resonant circuit being connected with the first and the second output terminals and an unlike terminal of the forward winding and the flyback winding so that the first and the second rectifying switch tubes implement zero-current switching, and the output capacitor being connected between the first and the second output terminals.

2. 发明公开

EP3790156A1 A MULTI-INPUT POWER CONVERTER, A CONTROLLING METHOD THEREOF AND AN UNINTERRUPTED POWER SUPPLY INCLUDING THE SAME 审中-实审
公开(公告)号：EP3790156A1
公开(公告)日：2021-03-10
申请号：EP20194467.5
申请日：2020-09-03
申请人： Santak Electronic (Shenzhen) Co., Ltd.
发明人： CAO, Lei
IPC分类号： H02J9/06 , H02M7/219
摘要： The present invention provides a multi-input power converter, a control method thereof, and an uninterruptible power supply comprising the same. The multi-input power converter comprises: n bridge arms connected in parallel between a positive direct current (DC) bus and a negative DC bus, where n is a positive integer not less than 3; a capacitor assembly connected between the positive DC bus and the negative DC bus; an alternating current (AC) switch assembly connected between input ends of the first bridge arm to the n-1 th bridge arm and alternating currents; and a DC switch assembly connected between input ends of the second bridge arm to the n th bridge arm and a positive electrode of a rechargeable battery. The multi-input power converter of the present invention can realize bidirectional flow of energy and soft power switching with low costs.

3. 发明公开

EP3588762A1 MULTI-WINDING INDUCTIVE DEVICE FOR BI-DIRECTIONAL DC-DC CONVERTER, CONVERTER, AND POWER SUPPLY 有权转让
公开(公告)号：EP3588762A1
公开(公告)日：2020-01-01
申请号：EP19180712.2
申请日：2019-06-17
申请人： Santak Electronic (Shenzhen) Co., Ltd.
发明人： WEI, Jian , LIN, Pingchang , ZHANG, Ping
IPC分类号： H02M3/158 , H01F17/06 , H01F27/29
摘要： The present invention provides a multi-winding inductive device for a bi-directional DC-DC converter, a converter, and a power supply. The multi-winding inductive device comprises a single magnetic core; and multiple windings wound round the single magnetic core, wherein the multiple windings comprise a first winding and a second winding in the same winding direction, the first winding is adapted to be electrically conductively connected to the second winding and has an incoming end and an outgoing end, and the incoming end or the outgoing end of the first winding comprises two shunt terminals. The multi-winding inductive device of the present invention is small in size and low in cost, and is adapted for measurement of its current by a small-range and low-cost current measuring device.

4. 发明公开

EP3255771A1 BIDIRECTIONAL DC-DC CONVERTOR 有权
标题翻译：双向DC-DC转换器
公开(公告)号：EP3255771A1
公开(公告)日：2017-12-13
申请号：EP16746074.0
申请日：2016-01-21
申请人： Santak Electronic (Shenzhen) Co., Ltd.
发明人： ZHENG, David , XU, Zhongyong , LIAO, Zhiwei , DING, Yusong , WANG, Zhiwu
IPC分类号： H02M3/07
CPC分类号： H02M3/07
摘要： The present invention provides a bidirectional DC-DC converter. The bidirectional DC-DC converter includes a first switching tube connected in antiparallel to a first diode; a second switching tube connected in antiparallel to a second diode; a third switching tube connected in antiparallel to a third diode; a fourth switching tube connected in antiparallel to a fourth diode; and a first inductor and a second inductor, where an anode of the first diode and a cathode of the second diode are connected to form a first node, an anode of the second diode and a cathode of the third diode are connected to a neutral point, an anode of the third diode and a cathode of the fourth diode are connected to form a second node, and one end of the first inductor and one end of the second inductor are respectively connected to the first node and the second node. The bidirectional DC-DC converter in the present invention has high conversion efficiency.
摘要翻译：本发明提供了一种双向DC-DC转换器。双向DC-DC转换器包括与第一二极管反并联连接的第一开关管; 反并联连接到第二二极管的第二开关管; 反并联连接到第三二极管的第三开关管; 反并联连接到第四二极管的第四开关管; 以及第一电感器和第二电感器，其中第一二极管的阳极和第二二极管的阴极连接以形成第一节点，第二二极管的阳极和第三二极管的阴极连接到中性点所述第三二极管的正极和所述第四二极管的负极连接形成第二节点，所述第一电感的一端和所述第二电感的一端分别连接所述第一节点和所述第二节点。本发明中的双向DC-DC转换器具有高转换效率。

5. 发明公开

EP2736157A1 FORWARD-FLYBACK DC-DC CONVERTER TOPOLOGY WITH HIGH EFFICIENCY AND LOW COST 审中-公开
标题翻译： TOPORIE EINES FORWARD-FLYBACK-GLEICHSPANNUNGSWANDLESR MIT HOHER EFFIZIENZ UND GERINGEN KOSTEN
公开(公告)号：EP2736157A1
公开(公告)日：2014-05-28
申请号：EP12814566.1
申请日：2012-07-23
申请人： Santak Electronic (Shenzhen) Co., Ltd.
发明人： HU, Zhilun , GU, Yilei , WEN, Zhiwei , ZHANG, Changdan
IPC分类号： H02M3/28 , H02M3/338
CPC分类号： H02M3/3353 , H02M3/33507 , H02M3/33523 , H02M3/33538 , H02M3/33553 , H02M3/33569 , H02M2001/0058 , Y02B70/1433 , Y02B70/1491
摘要： A forward-flyback DC-DC converter topology includes a transformer, a main switch tube, a clamp circuit, first and second rectifying switch tubes, an LC resonant circuit and an output capacitor; a primary winding of the transformer and the main switch tube are connected in series between a first input terminal and a second input terminal, the clamp circuit constituted by a clamp capacitor and a clamp switch tube connected in series is connected in parallel with the primary winding or with the main switch tube, a secondary winding of the transformer includes a forward winding and a flyback winding, a terminal of the primary winding through which current flows into is a dotted terminal of the primary winding, and a connecting mode of a secondary side of the transformer is: the dotted terminal of the forward winding being connected with a first output terminal via the first rectifying switch tube, a dotted terminal of the flyback winding being connected with a second output terminal via the second rectifying switch tube, the LC resonant circuit being connected with the first and the second output terminals and an unlike terminal of the forward winding and the flyback winding so that the first and the second rectifying switch tubes implement zero-current switching, and the output capacitor being connected between the first and the second output terminals.
摘要翻译：正向反激式DC-DC转换器拓扑结构包括变压器，主开关管，钳位电路，第一和第二整流开关管，LC谐振电路和输出电容器; 变压器的初级绕组和主开关管串联连接在第一输入端和第二输入端之间，由钳位电容器和串联连接的钳位开关管构成的钳位电路与初级绕组并联连接或者与主开关管一起，变压器的次级绕组包括正向绕组和回扫绕组，电流流过的初级绕组的端子是初级绕组的虚线端子，次级侧的连接模式所述正向绕组的点状端子经由所述第一整流开关管与第一输出端子连接，所述反激式绕组的虚线端子经由所述第二整流开关管与第二输出端子连接，所述LC谐振器电路与第一和第二输出端子以及正向绕组和反激绕组t不同的端子连接第一和第二整流开关管实现零电流开关，输出电容器连接在第一和第二输出端子之间。

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