公开(公告)号：US08369112B2

公开(公告)日：2013-02-05

申请号：US12738089

申请日：2008-12-09

申请人： Mamoru Tsuruya

发明人： Mamoru Tsuruya

IPC分类号： H02M3/335

CPC分类号： H02M3/33507 ,  H02M3/33569 ,  H02M3/337 ,  Y02B70/1433

摘要： A DC/DC converter has three half-bridge-type current resonant DC/DC converters that are connected in parallel, have a phase difference of 120 degrees, and are operated at a frequency higher than a resonant frequency. Each of the three half-bridge-type current resonant DC/DC converters includes a transformer having a primary winding, a secondary winding, and a tertiary winding, a series circuit connected to both ends of a DC power source and including first and second switching elements, a series circuit connected to both ends of the first or second switching element and including a resonant reactor, the primary winding of the transformer, and a resonant capacitor, and a rectifying circuit to rectify a voltage generated by the secondary winding and output the rectified voltage to a smoothing capacitor. The tertiary windings are annularly connected to a reactor.

摘要翻译： DC / DC转换器具有并联连接的三个半桥型电流谐振DC / DC转换器，具有120度的相位差，并且以高于谐振频率的频率工作。 三个半桥型电流谐振DC / DC转换器中的每一个包括具有初级绕组，次级绕组和三次绕组的变压器，串联电路连接到直流电源的两端并且包括第一和第二开关 元件，连接到第一或第二开关元件的两端的串联电路，并且包括谐振电抗器，变压器的初级绕组和谐振电容器，以及整流电路，用于对由次级绕组产生的电压进行整流，并输出 整流电压到平滑电容器。 三级绕组环形连接到反应器。

公开(公告)号：US20110090716A1

公开(公告)日：2011-04-21

申请号：US12999932

申请日：2009-06-15

申请人： Hideki Asuke ,  Hideharu Takano ,  Mamoru Tsuruya ,  Masayoshi Yamamoto ,  Takahiro Kawashima ,  Shigeyuki Funabiki

发明人： Hideki Asuke ,  Hideharu Takano ,  Mamoru Tsuruya ,  Masayoshi Yamamoto ,  Takahiro Kawashima ,  Shigeyuki Funabiki

IPC分类号： H02M3/335

CPC分类号： H02M3/1584 ,  H02M1/34 ,  H02M2001/348

摘要： In order to achieve an object to reduce a surge voltage and suppress noise generation, the present invention provides a DC-DC converter with a snubber circuit, which boosts a voltage Vi of a DC power supply. The snubber circuit includes: a series circuit connected to both ends of a smoothing capacitor Co and including a snubber capacitor Cs and a snubber resistor Rs; a snubber diode Ds1 connected to a node at which the snubber capacitor Cs and the snubber resistor Rs are connected, and to a node at which a reactor Lr1 and an additional winding 1b of a transformer T1 are connected; and a snubber diode Ds2 connected to the node at which the snubber capacitor Cs and the snubber resistor Rs are connected, and to a node at which a reactor Lr2 and an additional winding 2b of a transformer T2 are connected.

摘要翻译： 为了实现降低浪涌电压并抑制噪声产生的目的，本发明提供一种具有缓冲电路的DC-DC转换器，其提高DC电源的电压Vi。 缓冲电路包括：连接到平滑电容器Co的两端并包括缓冲电容器Cs和缓冲电阻器Rs的串联电路; 连接到缓冲电容器Cs和缓冲电阻器Rs连接的节点的缓冲二极管Ds1以及与变压器T1的电抗器Lr1和附加绕组1b连接的节点; 以及连接到缓冲电容器Cs和缓冲电阻器Rs所连接的节点的缓冲二极管Ds2以及与变压器T2的电抗器Lr2和附加绕组2b连接的节点。

公开(公告)号：US20090262557A1

公开(公告)日：2009-10-22

申请号：US12250843

申请日：2008-10-14

申请人： Hideki Asuke ,  Hideharu Takano ,  Masaki Kanazawa ,  Mamoru Tsuruya ,  Masayoshi Yamamoto ,  Hirotaka Hara ,  Shigeyuki Funabiki

发明人： Hideki Asuke ,  Hideharu Takano ,  Masaki Kanazawa ,  Mamoru Tsuruya ,  Masayoshi Yamamoto ,  Hirotaka Hara ,  Shigeyuki Funabiki

IPC分类号： H02M3/335

CPC分类号： H02M3/1584 ,  H02M3/1582 ,  Y10T307/702 ,  Y10T307/735

摘要： A bi-directional DC-DC converter includes a first series circuit connected to ends of a first DC power source and including a first winding of a first reactor and a first switch; a second series circuit connected to ends of the first switch and including a second winding of the first reactor, a second reactor, a second switch, a third switch, and a second DC power source; a third series circuit connected to the ends of the first switch and including a fourth switch and the second DC power source; and a control circuit configured to turn on/off the switches and thereby carry out step-up and step-down operations between the first and second DC power sources.

摘要翻译： 双向DC-DC转换器包括连接到第一直流电源的端部并包括第一电抗器和第一开关的第一绕组的第一串联电路; 连接到第一开关的端部并且包括第一反应器的第二绕组，第二反应器，第二开关，第三开关和第二DC电源的第二串联电路; 连接到第一开关的端部并包括第四开关和第二DC电源的第三串联电路; 以及控制电路，被配置为接通/断开开关，从而在第一和第二DC电源之间执行升压和降压操作。

公开(公告)号：US07304868B2

公开(公告)日：2007-12-04

申请号：US11355166

申请日：2006-02-16

申请人： Shinji Aso ,  Mamoru Tsuruya ,  Makoto Sato

发明人： Shinji Aso ,  Mamoru Tsuruya ,  Makoto Sato

IPC分类号： H02M3/335

CPC分类号： H02M3/33592 ,  Y02B70/1475

摘要： A DC converter has a transformer with loosely coupled primary and secondary windings, a main switch connected in series with the primary winding of the transformer, and a series circuit connected to ends of one of the primary winding and main switch. The series circuit includes a clamp capacitor and an auxiliary switch. The main and auxiliary switches are alternately turned on/off so that a voltage of the secondary winding of the transformer is synchronously rectified with synchronous rectifiers and is smoothed with smoothing elements, to provide a DC output. The DC converter also includes a tertiary winding tightly coupled with the primary winding of the transformer, a voltage source to supply a voltage lower than a voltage generated by the tertiary winding of the transformer, and clamp diodes to clamp the voltage generated by the tertiary winding with the use of the voltage source. The clamp diodes provide voltage-clamped signals to drive the synchronous rectifiers.

摘要翻译： DC转换器具有松耦合的初级和次级绕组的变压器，与变压器的初级绕组串联的主开关和连接到初级绕组和主开关之一的串联电路。 串联电路包括钳位电容器和辅助开关。 主开关和辅助开关交替地接通/断开，使得变压器的次级绕组的电压与同步整流器同步整流，并用平滑元件平滑，以提供直流输出。 DC转换器还包括与变压器的初级绕组紧密耦合的三级绕组，提供低于由变压器的三次绕组产生的电压的电压源，以及用于钳位由三级绕组产生的电压的钳位二极管 使用电压源。 钳位二极管提供电压钳位信号来驱动同步整流器。

公开(公告)号：US07298631B2

公开(公告)日：2007-11-20

申请号：US10550000

申请日：2004-10-22

申请人： Mamoru Tsuruya

发明人： Mamoru Tsuruya

IPC分类号： H02M3/335

CPC分类号： H02M3/33546 ,  H02M3/33569

摘要： A switching power source apparatus can reduce the size of a transformer and realize the zero-voltage switching of a switch. The apparatus is compact, highly efficient, and low in noise. The apparatus has a series circuit connected to each end of a DC power source (Vdc1) and including a primary winding (5a) of a transformer (T) and a main switch (Q1), a rectifying-smoothing circuit to rectify and smooth a voltage that is output from a secondary winding (5b) when the main switch (Q1) is turned on, a series circuit connected to each end of the primary winding (5a) and including an auxiliary switch (Q2) and a clamp capacitor (C1), a series circuit connected to each end of the primary winding (5a) and including an auxiliary reactor (Lx), a diode (Dx1), and a snubber capacitor (Cx), a series circuit connected to each end of the auxiliary switch (Q2) and including a diode (Dx2) and the snubber capacitor (Cx), and a control circuit (10) to alternately turn on/off the main switch (Q1) and auxiliary switch (Q2). When the main switch (Q1) is turned on, the snubber capacitor (Cx) is charged. When the main switch (Q1) is turned off, the snubber capacitor (Cx) is discharged to the clamp capacitor (C1) to relax the inclination of a voltage increase of the main switch (Q1).

摘要翻译： 开关电源装置可以减小变压器的尺寸并实现开关的零电压切换。 该设备结构紧凑，效率高，噪音低。 该装置具有连接到直流电源（Vdc 1）的两端并且包括变压器（T）和主开关（Q1）的初级绕组（5a）的串联电路，整流平滑电路 并且当所述主开关（Q1）接通时平滑从次级绕组（5B）输出的电压;串联电路，其连接到所述初级绕组（5a）的每一端并且包括辅助开关（Q 2 ）和钳位电容器（C 1），连接到初级绕组（5a）的每一端并包括辅助电抗器（Lx），二极管（Dx1）和缓冲电容器（Cx）的串联电路， 连接到辅助开关（Q 2）的每一端并包括二极管（Dx 2）和缓冲电容器（Cx）的串联电路和控制电路（10），以交替地开/关主开关（Q1） 和辅助开关（Q 2）。 当主开关（Q1）接通时，缓冲电容器（Cx）被充电。 当主开关（Q1）关闭时，缓冲电容器（Cx）被放电到钳位电容器（C1），以松弛主开关（Q1）的电压增加的倾斜。

公开(公告)号：US20060209571A1

公开(公告)日：2006-09-21

申请号：US11357161

申请日：2006-02-21

申请人： Shinji Aso ,  Mamoru Tsuruya ,  Makoto Sato

发明人： Shinji Aso ,  Mamoru Tsuruya ,  Makoto Sato

IPC分类号： H02M3/335

CPC分类号： H02M3/33592 ,  Y02B70/1475

摘要： A DC converter has a transformer with loosely coupled primary and secondary windings, a main switch connected in series with the primary winding of the transformer, and a series circuit connected to ends of one of the primary winding and main switch. The series circuit includes a clamp capacitor and an auxiliary switch. The main and auxiliary switches are alternately turned on/off so that a voltage of the secondary winding of the transformer is synchronously rectified with synchronous rectifiers and is smoothed with smoothing elements, to provide a DC output. The DC converter also includes a tertiary winding provided for the transformer, tightly coupled with the primary winding, and configured to generate a voltage that drives the synchronous rectifiers.

摘要翻译： DC转换器具有松耦合的初级和次级绕组的变压器，与变压器的初级绕组串联的主开关和连接到初级绕组和主开关之一的串联电路。 串联电路包括钳位电容器和辅助开关。 主开关和辅助开关交替地接通/断开，使得变压器的次级绕组的电压与同步整流器同步整流，并用平滑元件平滑，以提供直流输出。 DC转换器还包括为变压器提供的三次绕组，与初级绕组紧密耦合，并且被配置为产生驱动同步整流器的电压。

公开(公告)号：US20060187688A1

公开(公告)日：2006-08-24

申请号：US10550654

申请日：2004-10-22

申请人： Mamoru Tsuruya

发明人： Mamoru Tsuruya

IPC分类号： H02H7/122

CPC分类号： H01F38/08 ,  H01F27/38 ,  H02M3/33569

摘要： A switching power source apparatus can reduce the size of a transformer and realize the zero-voltage switching of a switch. The apparatus is compact, highly efficient, and low in noise. The apparatus has a series circuit connected to each end of a DC power source (Vdc1) and including a primary winding (5a) of a transformer (T) and a main switch (Q1), a rectifying-smoothing circuit to rectify and smooth a voltage that is outputted from a secondary winding (5b) when the main switch (Q1) is turned on, a series circuit connected to each end of the primary winding (5a) and including an auxiliary switch (Q2) and a clamp capacitor (C1), a series circuit connected to each end of the main switch (Q1) and including a diode (Dx1) and a snubber capacitor (Cx), a series circuit connected to a node between the diode (Dx1) and the snubber capacitor (Cx) and a node between the auxiliary switch (Q2) and the clamp capacitor (C1) and including an auxiliary winding (5x) and a diode (Dx2), and a control circuit (10) to alternately turn on/off the main switch (Q1) and auxiliary switch (Q2). When the main switch (Q1) is turned on, the snubber capacitor (Cx) is discharged through the auxiliary winding (5x) to the clamp capacitor (C1). When the main switch (Q1) is turned off, the snubber capacitor (Cx) is charged, to relax the inclination of a voltage increase of the main switch (Q1).

摘要翻译： 开关电源装置可以减小变压器的尺寸并实现开关的零电压切换。 该设备结构紧凑，效率高，噪音低。 该装置具有连接到直流电源（Vdc 1）的两端并且包括变压器（T）和主开关（Q1）的初级绕组（5a）的串联电路，整流平滑电路 并且当所述主开关（Q1）接通时平滑从次级绕组（5B）输出的电压，串联电路连接到所述初级绕组（5a）的每一端并包括辅助开关（Q 2 ）和钳位电容器（C 1），串联电路连接到主开关（Q1）的每一端并且包括二极管（Dx1）和缓冲电容器（Cx），串联电路连接到主开关 二极管（Dx1）和缓冲电容器（Cx）以及辅助开关（Q 2）和钳位电容器（C1）之间的节点，并且包括辅助绕组（5 x）和二极管（Dx 2） 控制电路（10）交替地接通/断开主开关（Q1）和辅助开关（Q2）。 当主开关（Q1）接通时，缓冲电容器（Cx）通过辅助绕组（5x）放电到钳位电容器（C1）。 当主开关（Q1）关闭时，缓冲电容器（Cx）被充电，以缓和主开关（Q1）的电压增加的倾斜。

公开(公告)号：US20060139968A1

公开(公告)日：2006-06-29

申请号：US11302184

申请日：2005-12-14

申请人： Mamoru Tsuruya ,  Shinji Aso ,  Makoto Sato

发明人： Mamoru Tsuruya ,  Shinji Aso ,  Makoto Sato

IPC分类号： H02M3/335

CPC分类号： H02M1/34 ,  H02M3/33592 ,  H02M2001/348 ,  Y02B70/1475

摘要： A DC conversion apparatus includes a switch converting a DC voltage of a DC power source to a high-frequency voltage by being turned ON/OFF via a primary winding of a transformer, a series circuit of a switch and a clamp capacitor being connected to both ends of the primary winding, a synchronous rectifying circuit performing synchronous rectification of a high-frequency voltage generated at a secondary winding, a smoothing circuit smoothing a rectified output of the synchronous rectifying circuit by a smoothing reactor and a smoothing capacitor, a capacitor storing energy stored in the smoothing reactor due to a current backflow of the synchronous rectifying circuit caused under light load condition, a switch being turned ON in synchronization with the switch and returning the energy stored in the capacitor to the clamp capacitor on the primary side via the transformer, and a control circuit turning the switch and the switch ON/OFF states alternately.

摘要翻译： 直流转换装置包括通过经由变压器的初级绕组接通/断开将直流电源的直流电压转换为高频电压的开关，开关的串联电路和钳位电容器被连接到两者 初级绕组的端部，对次级绕组产生的高频电压进行同步整流的同步整流电路，平滑电抗器和平滑电容器平滑同步整流电路的整流输出的平滑电路，存储能量的电容器 存储在平滑电抗器中由于在轻负载条件下引起的同步整流电路的电流回流，开关与开关同步地导通，并且通过变压器将存储在电容器中的能量返回到初级侧的钳位电容器 并且交替地使开关和开关接通/断开状态的控制电路。

公开(公告)号：US07532488B2

公开(公告)日：2009-05-12

申请号：US10531797

申请日：2003-10-21

申请人： Mamoru Tsuruya

发明人： Mamoru Tsuruya

IPC分类号： H02M3/335

CPC分类号： H02M3/155 ,  H02M1/16 ,  H02M3/156 ,  H02M3/335

摘要： A primary winding 5a of a transformer T and a switch Q1 are connected in series with a DC power source Vdc1. A series circuit composed of a switch Q2 and a snubber capacitor C3 is connected in parallel with the primary winding or the switch Q1. A saturable reactor SL1 is connected in parallel with the primary winding 5a. A series circuit composed of a diode D1 and a capacitor C4 is connected in parallel with a secondary winding 5b of the transformer T, to form a rectifying/smoothing circuit. A control circuit 10 turns on and off the switches Q1 and Q2 alternately and turns off the switch Q2 when a current to the switch Q2 increases.

摘要翻译： 变压器T的初级绕组5a和开关Q1与直流电源Vdc1串联。 由开关Q2和缓冲电容器C3构成的串联电路与初级绕组或开关Q1并联连接。 可饱和电抗器SL1与初级绕组5a并联连接。 由二极管D1和电容器C4组成的串联电路与变压器T的次级绕组5b并联连接，形成整流/平滑电路。 控制电路10交替地接通和断开开关Q1和Q2，并且当开关Q2的电流增加时，断开开关Q2。

公开(公告)号：US07426119B2

公开(公告)日：2008-09-16

申请号：US11465298

申请日：2006-08-17

申请人： Mamoru Tsuruya

发明人： Mamoru Tsuruya

IPC分类号： H02M3/335

CPC分类号： H02M3/3376 ,  H02M2001/0048 ,  Y02B70/1491

摘要： A switching power supply apparatus comprising: a first transformer, one end of a primary winding thereof being connected to one end of a secondary winding of a converter transformer; a second transformer, one end of a primary winding thereof being connected to another end of the secondary winding of the converter transformer; a reactor connected to both ends of a series circuit having the secondary windings; a smoothing capacitor, one end thereof being connected to the primary windings of transformers; a first diode connected to a connection between the first winding and a second winding of the first transformer and the other end of the smoothing capacitor; and a second diode connected to a connection between a first winding and a second winding of the second transformer and the other end of the smoothing capacitor.

摘要翻译： 一种开关电源装置，包括：第一变压器，其初级绕组的一端连接到变换器变压器的次级绕组的一端; 第二变压器，其初级绕组的一端连接到变换器变压器的次级绕组的另一端; 连接到具有次级绕组的串联电路的两端的电抗器; 平滑电容器，其一端连接到变压器的初级绕组; 连接到第一绕组和第一变压器的第二绕组与平滑电容器的另一端之间的连接的第一二极管; 以及连接到第二变压器的第一绕组和第二绕组与平滑电容器的另一端之间的连接的第二二极管。