公开(公告)号：US20140354254A1

公开(公告)日：2014-12-04

申请号：US14288588

申请日：2014-05-28

Applicant: DENSO CORPORATION

Inventor： Fujiyuki IWAMOTO ,  Kazuhiro UMETANI

IPC: H02M3/158

CPC classification number: H02M3/158 ,  H02M3/1588 ,  H02M2001/342 ,  Y02B70/1466 ,  Y02B70/1491

Abstract: A series circuit of a diode Da1, capacitors Ca1, Ca2 and a diode Da2 is connected in parallel to a series circuit of switching elements S1 and S2. A common junction between the capacitors Ca1 and Ca2 is connected to an emitter of the switching element S2. A series circuit of a switching element Sa1 and a diode Da1 is connected between a cathode of the diode Da1 and a cathode of the diode Da2. A series circuit of a diode Da4 and a switching element Sa2 is connected between an anode of the diode Da1 and the ground. A reactor La1 is connected between a source of the switching element Sa1 and a drain of the switching element Sa2.

Abstract translation: 二极管Da1，电容器Ca1，Ca2和二极管Da2的串联电路与开关元件S1和S2的串联电路并联连接。 电容器Ca1和Ca2之间的公共连接点连接到开关元件S2的发射极。 开关元件Sa1和二极管Da1的串联电路连接在二极管Da1的阴极和二极管Da2的阴极之间。 二极管Da1和开关元件Sa2的串联电路连接在二极管Da1的阳极和地之间。 电抗器La1连接在开关元件Sa1的源极和开关元件Sa2的漏极之间。

公开(公告)号：US20140210442A1

公开(公告)日：2014-07-31

申请号：US14157712

申请日：2014-01-17

Applicant: DENSO CORPORATION

Inventor： Kazuhiro UMETANI

IPC: H02M3/156

CPC classification number: H02M3/1588 ,  H02M2001/0003 ,  Y02B70/1466

Abstract: In a switching regulator, a power feed circuit section includes a reactor, a capacitor, and a switching circuit controlling power supply from a power supply source to the reactor. A reference command value generation portion generates a reference command value based on a physical quantity representing a state of the power feed circuit section. An adder adds a pseudo command value depending on a reactor current flowing in the reactor to the reference command value. A limiter limits at least one of an upper limit value and a lower limit value with respect to an adding result of the adder. A removing section removes a value corresponding to the pseudo command value from a processing result of the limiter. A control performing section controls a duty ratio of the switching circuit using a processing result of the removing section as a command value.

Abstract translation: 在开关调节器中，馈电电路部分包括电抗器，电容器和控制从电源向电抗器供电的开关电路。 基准指令值生成部基于表示供电电路部的状态的物理量生成基准指令值。 加法器根据在反应器中流动的电抗器电流将伪指令值加到基准指令值。 限制器相对于加法器的相加结果限制上限值和下限值中的至少一个。 删除部分从限制器的处理结果中除去与伪命令值相对应的值。 控制执行部分使用除去部分的处理结果作为指令值来控制开关电路的占空比。

公开(公告)号：US20160056711A1

公开(公告)日：2016-02-25

申请号：US14821064

申请日：2015-08-07

Applicant: DENSO CORPORATION

Inventor： Kazuhiro UMETANI

IPC: H02M1/32

CPC classification number: H02M1/32 ,  H02M3/1582 ,  H02M2001/0058 ,  Y02B70/1425 ,  Y02B70/1491

Abstract: A resonant current limiting device, for a resonant current passage having a loop shape including at least one capacitor and a wiring passage with at least one inductor or inductance component, includes: an electric storage element connected in series with the capacitor; a driving power source; and a voltage controller that charges and discharges an electric charge in the electric storage element, which is supplied from the driving power source, controls a terminal voltage of the electric storage element to be a predetermined instruction voltage, and restricts a resonant current component flowing through the wiring passage.

Abstract translation: 一种用于具有包括至少一个电容器的环形形状的谐振电流通路和具有至少一个电感器或电感元件的布线通道的谐振电流限制装置，包括：与所述电容器串联连接的蓄电元件; 驱动电源; 以及从驱动电源供给的对蓄电元件进行充电和放电的电压控制器，将蓄电元件的端子电压控制为规定的指示电压，并限制流过的谐振电流成分 接线通道。

公开(公告)号：US20150200051A1

公开(公告)日：2015-07-16

申请号：US14591104

申请日：2015-01-07

Applicant: DENSO CORPORATION

Inventor： Kazuhiro UMETANI

IPC: H01F27/28 ,  H01F27/24

CPC classification number: H01F3/12 ,  H01F27/38 ,  H01F38/12

Abstract: A transformer device includes a magnetic core, a normal winding, a main magnetic path, and a specific winding including A sections and B sections formed by winding a conductive wire around the magnetic core toward opposite directions. A total number of turns of the conductive wire is different between the A sections and the B sections. At least one section in the specific winding is arranged to form a sub-magnetic path which is a magnetic path not interlinked with the normal winding.

Abstract translation: 变压器装置包括磁芯，正常绕组，主磁路以及包括A部分和B部分的特定绕组，所述A部分和B部分通过围绕磁芯向相反方向缠绕而形成。 导线的总匝数在A部分和B部分之间是不同的。 布置特定绕组中的至少一个部分以形成不与正常绕组互连的磁路的子磁路。

公开(公告)号：US20170278606A1

公开(公告)日：2017-09-28

申请号：US15311882

申请日：2015-06-30

Applicant: DENSO CORPORATION

Inventor： Naoya KONDOU ,  Akira SAKAMOTO ,  Kazuhiro UMETANI

IPC: H01F1/12 ,  H01F5/00 ,  H01F5/04 ,  H01F3/14 ,  H01F5/06

CPC classification number: H01F1/12 ,  H01F3/10 ,  H01F3/14 ,  H01F5/003 ,  H01F5/04 ,  H01F5/06 ,  H01F27/325 ,  H01F27/346 ,  H01F27/365 ,  H01F2003/106 ,  H01F2027/348

Abstract: A magnetic circuit component includes a magnetic core and a coil formed by winding a conductor around the magnetic core. The magnetic circuit component includes a magnetic material section that is formed from a soft magnetic material, and that covers a part of a surface of the coil or the entire surface of the coil and is disposed away from the magnetic core.

公开(公告)号：US20140197813A1

公开(公告)日：2014-07-17

申请号：US14154265

申请日：2014-01-14

Applicant: DENSO CORPORATION

Inventor： Kazuhiro UMETANI

IPC: H02M3/156

CPC classification number: H02M3/156 ,  H02M2001/0019 ,  H02M2001/0025

Abstract: In a switching regulator, a control circuit includes a reference command value generation portion and an additional command value generation portion. The reference command value generation portion generates a reference command value based on a deviation of an output voltage from a predetermined command voltage. The additional command value generation portion generates an additional command value based on a difference between an outflow electric energy and an inflow electric energy. The outflow electric energy is a value reflecting a supply power from the capacitor to the load, and the inflow electric energy is a value reflecting a supply power from the reactor to the capacitor. The control circuit controls an operation ratio of a switching circuit based on the reference command value and the additional command value.

Abstract translation: 在开关调节器中，控制电路包括基准指令值生成部和附加指令值生成部。 基准指令值生成部基于输出电压与预定指令电压的偏差来生成基准指令值。 附加指令值生成部基于流出电力和流入电力之间的差产生附加指令值。 流出电能是反映从电容器到负载的供给功率的值，流入电力是反映从电抗器到电容器的供给功率的值。 控制电路基于参考命令值和附加命令值来控制切换电路的操作比。

公开(公告)号：US20150288290A1

公开(公告)日：2015-10-08

申请号：US14678229

申请日：2015-04-03

Applicant: DENSO CORPORATION

Inventor： Fujiyuki IWAMOTO ,  Kazuhiro UMETANI

IPC: H02M3/335

CPC classification number: H02M3/1582 ,  B60L7/14 ,  B60L11/1803 ,  B60L11/1861 ,  B60L2210/30 ,  B60L2240/12 ,  B60L2240/547 ,  B60L2240/549 ,  H01F38/02 ,  H02M3/158 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7241

Abstract: In a power conversion apparatus, a secondary winding is connected between main terminals of one of two circuit elements included in a main series circuit, and a voltage applied to a primary winding induces a voltage in a secondary winding in a direction from a first main terminal of a secondary winding, which is disposed at a low-potential side of the main series circuit, toward a second main terminal of a secondary winding, which is disposed at a high-potential side of the main series circuit. A rectifying unit blocks a current flowing from the high-potential side of the main series circuit toward the low-potential side of the main series circuit in a current path that includes the secondary winding and bypasses one of the two circuit elements included in the main series circuit.

Abstract translation: 在功率转换装置中，次级绕组连接在主串联电路中包括的两个电路元件之一的主端子之间，施加到初级绕组的电压在次级绕组中沿着从第一主端子 设置在主串联电路的低电位侧的次级绕组朝向主串联电路的高电位侧的次级绕组的第二主端子。 整流单元在包括次级绕组的电流路径中阻挡从主串联电路的高电位侧朝向主串联电路的低电位侧的电流，并且绕过包含在主串联电路中的两个电路元件中的一个 串联电路。

公开(公告)号：US20130214824A1

公开(公告)日：2013-08-22

申请号：US13768255

申请日：2013-02-15

Applicant: DENSO CORPORATION

Inventor： Kazuhiro UMETANI

IPC: H03K17/06

CPC classification number: H03K17/063 ,  H03K17/145

Abstract: A driving circuit that drives a semiconductor device includes first to sixth semiconductor devices. A first state and a second state are provided in one cycle in which a voltage is applied to a control terminal of the semiconductor device. In the first state, the first semiconductor device is closed, the third and fourth semiconductor devices are opened, and when the second semiconductor device is structured to have a semiconductor switch, the semiconductor switch is closed. In the second state, the first semiconductor device is opened, and the third and fourth semiconductor devices are closed.

Abstract translation: 驱动半导体器件的驱动电路包括第一至第六半导体器件。 在一个周期中提供第一状态和第二状态，其中电压施加到半导体器件的控制端子。 在第一状态下，第一半导体器件闭合，第三和第四半导体器件被打开，并且当第二半导体器件被构造为具有半导体开关时，半导体开关闭合。 在第二状态下，第一半导体器件打开，第三和第四半导体器件闭合。

公开(公告)号：US20170047156A1

公开(公告)日：2017-02-16

申请号：US15307071

申请日：2015-05-21

Applicant: DENSO CORPORATION

Inventor： Akira SAKAMOTO ,  Kazuhiro UMETANI ,  Naoya KONDOU

IPC: H01F27/255 ,  H01F27/16 ,  H01F27/28

CPC classification number: H01F27/255 ,  H01F27/16 ,  H01F27/22 ,  H01F27/2823 ,  H01F27/38 ,  H01F37/00

Abstract: A reactor includes a magnetic core and a plurality of coils disposed adjacent to each other and electrically connected to each other. The plurality of coils includes an intermediate coil inducing a magnetic flux which does not interlink with an end of the magnetic core, and magnetic paths forming at least two closed magnetic paths run through a portion inside the intermediate coil.

Abstract translation: 电抗器包括磁芯和彼此相邻设置并彼此电连接的多个线圈。 多个线圈包括一个引导不与磁芯的端部相互连接的磁通的中间线圈，以及形成至少两个闭合磁路的磁路穿过中间线圈内部的一部分。

公开(公告)号：US20150214848A1

公开(公告)日：2015-07-30

申请号：US14606517

申请日：2015-01-27

Applicant: Denso Corporation

Inventor： Kazuhiro UMETANI

IPC: H02M3/335 ,  H02M1/14

CPC classification number: H02M3/07 ,  H02M1/14 ,  H02M1/32 ,  H02M7/103 ,  H02M2001/009 ,  H02M2001/346 ,  H02M2003/071 ,  H02M2003/072 ,  H02M2003/1586 ,  Y02B70/1491

Abstract: In a power converter, at least two main current paths each including an inductor and a transistor are connected between input terminals, and at least two storage circuits each including capacitors are correspondingly connected to branch nodes of the main current paths. Diodes are connected between the storage circuits. The transistors of the main current paths are interleaved. When one of the transistors is turned off, a current flowing in the corresponding inductor flows into the corresponding storage circuit to turn on the diodes and to charge the capacitors of the corresponding storage circuit. When another one of the transistors is turned off, a current flowing in the corresponding inductor flows into the corresponding storage circuit to turn on the diodes and charge the capacitors of the corresponding storage circuit.

Abstract translation: 在功率转换器中，每个包括电感器和晶体管的至少两个主电流路径连接在输入端子之间，并且每个包括电容器的至少两个存储电路相应地连接到主电流路径的分支节点。 二极管连接在存储电路之间。 主电流路径的晶体管是交错的。 当晶体管中的一个截止时，流过对应的电感器的电流流入对应的存储电路，以接通二极管并对相应的存储电路进行充电。 当另一个晶体管截止时，流过对应的电感器的电流流入对应的存储电路，以接通二极管并对相应的存储电路进行充电。