公开(公告)号：US20160248338A1

公开(公告)日：2016-08-25

申请号：US15049611

申请日：2016-02-22

Applicant: Hitachi, Ltd.

Inventor： Shinji SHIRAKAWA ,  Hiroshi KAMIZUMA ,  Daisuke MATSUMOTO ,  Akira MIMA ,  Yukio HATTORI

IPC: H02M7/00 ,  H02M7/5387 ,  H02M5/458 ,  H05K7/14

CPC classification number: H02M7/003 ,  H01R13/02 ,  H02M5/458 ,  H05K7/1432

Abstract: A module of conversion circuit includes a High side IGBT, a Low side IGBT connected in series to the High side IGBT, a first terminal connected to the High side IGBT, a second terminal connected to the Low side IGBT, a capacitor connected to the first terminal and the second terminal, and a third terminal connected to a connection point between the High side IGBT and the Low side IGBT. A fourth terminal is engaged with the first terminal. A fifth terminal is engaged with the second terminal. A sixth terminal is engaged with the third terminal. The first and second terminals have at portions thereof between front edges and rear edges high-resistance parts having higher resistance than other portions.

Abstract translation: 转换电路的模块包括高侧IGBT，低侧IGBT串联连接到高侧IGBT，第一端子连接到高侧IGBT，第二端子连接到低压侧IGBT，电容器，连接到第一端子 端子和第二端子，以及连接到高侧IGBT和低侧IGBT之间的连接点的第三端子。 第四端子与第一端子接合。 第五端子与第二端子接合。 第六个终端与第三个终端接合。 第一和第二端子在前边缘和后边缘之间的部分具有比其它部分更高的电阻的高电阻部分。

公开(公告)号：US20180006573A1

公开(公告)日：2018-01-04

申请号：US15548477

申请日：2015-03-04

Applicant: Hitachi, Ltd.

Inventor： Yukio HATTORI ,  Hiroshi KAMIZUMA ,  Daisuke MATSUMOTO ,  Akira MIMA ,  Ryouhei MIYAGAWA

IPC: H02M7/217 ,  H05K7/20

CPC classification number: H02M7/217 ,  H02M7/003 ,  H02M7/219 ,  H02M7/5387 ,  H05K7/209 ,  H05K7/20909 ,  H05K7/20936

Abstract: An electrical power conversion unit is provided with: a circuit connecting part which includes a positive electrode conductor, a negative electrode conductor, and an alternating current conductor; a power semiconductor module connected to a specific side of the circuit connecting part; a fin that extends to the opposite side of the circuit connecting part with respect to the power semiconductor module; and a capacitor disposed at one end in the lengthwise direction of the circuit connecting part. A space in which a cooling fan is disposed is formed by an extending part and the fin, when the extending part is defined as a region, of the circuit connecting part, other than the portion at which the fin projects to the circuit connecting part, such region including one end that is opposite, via the fin, the one end where the capacitor is present.

公开(公告)号：US20160373017A1

公开(公告)日：2016-12-22

申请号：US15025370

申请日：2014-03-10

Applicant: HITACHI, LTD.

Inventor： Akira MIMA ,  Yukio HATTORI ,  Tetsuya KAWASHIMA ,  Yuichi MABUCHI ,  Daisuke MATSUMOTO ,  Hiroshi KAMIDUMA

IPC: H02M5/458 ,  H02M7/217 ,  H02M7/537 ,  H02M7/00 ,  H02J9/06

CPC classification number: H02M5/4585 ,  H02J9/06 ,  H02M7/003 ,  H02M7/2173 ,  H02M7/537 ,  H02M7/5387

Abstract: An imbalance of control signals between two power semiconductor elements is reduced. A first power semiconductor module and a second power semiconductor module are arranged in a predetermined direction along a surface of a control signal wiring circuit board, each of longitudinal directions of the first power semiconductor module and the second power semiconductor module along the surface of the control signal wiring circuit board is a predetermined direction, and, in a first control signal wiring, a distance between an external control signal terminal and a second control signal terminal is equal to a distance between the external control signal terminal and a first control signal terminal.

Abstract translation: 减少两个功率半导体元件之间的控制信号的不平衡。 第一功率半导体模块和第二功率半导体模块沿着控制信号布线电路板的表面沿预定方向布置，沿着控制表面的第一功率半导体模块和第二功率半导体模块的每个纵向方向 信号布线电路板是预定方向，并且在第一控制信号布线中，外部控制信号端子和第二控制信号端子之间的距离等于外部控制信号端子与第一控制信号端子之间的距离。

公开(公告)号：US20170040906A1

公开(公告)日：2017-02-09

申请号：US15113850

申请日：2015-03-02

Applicant: HITACHI, LTD.

Inventor： Yukio HATTORI ,  Hiroshi KAMIZUMA ,  Tetsuya KAWASHIMA ,  Akira MIMA ,  Daisuke MATSUMOTO ,  Yuuichi MABUCHI

IPC: H02M5/458 ,  H02M1/14

CPC classification number: H02M5/458 ,  H02M1/14 ,  H02M7/48

Abstract: The present invention reduces the footprint of a power conversion device. A first power semiconductor module and a second power semiconductor module are connected to a positive conductor, a negative conductor, and an alternating-current conductor. An external alternating-current terminal, the first power semiconductor module, the second power semiconductor module, a capacitor, and an external direct-current terminal including an external positive terminal and an external negative terminal are arrayed on a straight line extending in the longitudinal direction of a circuit connection section. The external alternating-current terminal is disposed at one longitudinal end of the circuit connection section. The external direct-current terminal is disposed at the other longitudinal end of the circuit connection section.

Abstract translation: 本发明减小了电力转换装置的占地面积。 第一功率半导体模块和第二功率半导体模块连接到正导体，负极导体和交流导体。 外部交流端子，第一功率半导体模块，第二功率半导体模块，电容器和包括外部正极端子和外部负极端子的外部直流端子排列在沿纵向延伸的直线上 的电路连接部分。 外部交流端子设置在电路连接部的一个纵向端。 外部直流端子设置在电路连接部的另一纵向端。

公开(公告)号：US20160341487A1

公开(公告)日：2016-11-24

申请号：US15143705

申请日：2016-05-02

Applicant: Hitachi, Ltd.

Inventor： Yuichiro KONISHI ,  Daisuke MATSUMOTO

IPC: F28D15/02

CPC classification number: F28F3/022 ,  F28D15/0275 ,  F28F1/32 ,  F28F2275/08 ,  H01L23/3677 ,  H01L23/427 ,  H01L23/473

Abstract: The disclosed invention provides power conversion equipment in which the thermal resistance of thermal connections is reduced. A structure for cooling a heat generator includes a heat generator having at least one cooled surface having protruding convex portions formed thereon, a heat receiving spacer in which hollow portions into which the convex portions are inserted are formed, clamping members which press and clamp the heat receiving space and the heat generator sandwiched therebetween, and a cooler which cools the heat receiving spacer. In an engagement state in which the heat generator and the heat receiving spacer are engaged by the clamping members, a distance between the cooled surface and the end faces of the convex portions is smaller than a distance between the cooled surface and a face, facing either of the clamping members, of the heat receiving spacer.

Abstract translation: 所公开的发明提供了其中热连接的热阻降低的电力转换设备。 用于冷却发热体的结构包括具有形成有突出凸部的至少一个冷却表面的热发生器，形成有凸部插入的中空部的热接收间隔件，压入并夹持热量的夹紧部件 夹在其间的接收空间和发热体，以及冷却受热间隔件的冷却器。 在热交换器和热接收间隔件通过夹紧构件接合的接合状态下，冷却表面与凸部的端面之间的距离小于冷却表面与面之间的距离 的夹持构件。

公开(公告)号：US20160226396A1

公开(公告)日：2016-08-04

申请号：US15022695

申请日：2014-03-27

Applicant: HITACHI, LTD.

Inventor： Yukio HATTORI ,  Hiroshi KAMIZUMA ,  Daisuke MATSUMOTO ,  Akira MIMA ,  Tetsuya KAWASHIMA ,  Yuuichi MABUCHI

IPC: H02M7/219 ,  H02M7/5387

CPC classification number: H02M7/003 ,  H02M7/219 ,  H02M7/53871 ,  H05K7/1432

Abstract: To improve accessibility with respect to a power conversion unit in a power converter. The power converter includes a circuit, connection part including a positive electrode conductor, a negative electrode conductor and an AC conductor, a power semiconductor module positioned in a particular direction with respect to the circuit connection part and connected to the positive electrode conductor, the negative electrode conductor and the AC conductor and a capacitor positioned in the particular direction with respect to the circuit connection part and connected to the positive electrode conductor and the negative electrode conductor. The positive electrode conductor is connected to a positive electrode conductor of another power conversion unit through a unit connection part positioned in an opposite direction of the particular direction with respect to the circuit connection part. The negative electrode conductor is connected to a negative electrode conductor of another power conversion unit through the unit connection part.

Abstract translation: 提高功率转换器中功率转换单元的可访问性。 功率转换器包括电路，包括正极导体，负极导体和AC导体的连接部分，功率半导体模块相对于电路连接部分位于特定方向并连接到正极导体，负极 电极导体和AC导体以及相对于电路连接部位于特定方向的电容器，并连接到正极导体和负极导体。 正电极导体通过与电路连接部位于与特定方向相反的方向的单元连接部与另一电力转换单元的正极导体连接。 负极导体通过单元连接部与另一个电力转换单元的负极导体连接。

公开(公告)号：US20160007507A1

公开(公告)日：2016-01-07

申请号：US14750302

申请日：2015-06-25

Applicant: Hitachi, Ltd.

Inventor： Yuuichi MABUCHI ,  Tetsuya KAWASHIMA ,  Daisuke MATSUMOTO ,  Akira MIMA ,  Yukio HATTORI ,  Hiroshi KAMIZUMA

IPC: H05K7/20

CPC classification number: H05K7/20909 ,  H05K7/20936

Abstract: A power conversion device capable of reducing a temperature variation between a plurality of semiconductor modules is provided. The power conversion device comprises condensers 121, 122, a plurality of semiconductor modules 101, 102, heat dissipation units 103 to 109, a bus bar 140 connecting the condensers 121, 122 with the plurality of the semiconductor modules 101, 102, and a ventilation unit having cool wind blow. The power conversion module has features that the plurality of semiconductor modules 101, 102 are arranged apart from the condensers 121, 122 and in a line in a longitudinal direction of the bus bar 140 and that the cool wind 150 blows in a direction from the condensers 121, 122 toward the plurality of semiconductor modules 101, 102 that are mounted.

Abstract translation: 提供能够降低多个半导体模块之间的温度变化的电力转换装置。 电力转换装置包括电容器121,122，多个半导体模块101,102，散热单元103至109，连接冷凝器121,122与多个半导体模块101,102的汇流条140以及通风 单位有凉风吹。 功率转换模块具有这样的特征：多个半导体模块101,102与冷凝器121,122分开布置，并且沿总线140的纵向方向排成一列，并且冷风150沿着冷凝器 121,122朝向安装的多个半导体模块101,102。

公开(公告)号：US20180152117A1

公开(公告)日：2018-05-31

申请号：US15880698

申请日：2018-01-26

Applicant: Hitachi, Ltd.

Inventor： Yukio HATTORI ,  Hiroshi KAMIZUMA ,  Daisuke MATSUMOTO ,  Akira MIMA ,  Tetsuya KAWASHIMA ,  Yuuichi MABUCHI

IPC: H02M7/219 ,  H02M7/00 ,  H02M7/5387 ,  H05K7/14

CPC classification number: H02M7/003 ,  H02M7/219 ,  H02M7/53871 ,  H05K7/1432

Abstract: To improve accessibility with respect to a power conversion unit in a power converter. The power converter includes a circuit connection part including a positive electrode conductor, a negative electrode conductor and an AC conductor, a power semiconductor module positioned in a particular direction with respect to the circuit connection part and connected to the positive electrode conductor, the negative electrode conductor and the AC conductor and a capacitor positioned in the particular direction with respect to the circuit connection part and connected to the positive electrode conductor and the negative electrode conductor. The positive electrode conductor is connected to a positive electrode conductor of another power conversion unit through a unit connection part positioned in an opposite direction of the particular direction with respect to the circuit connection part. The negative electrode conductor is connected to a negative electrode conductor of another power conversion unit through the unit connection part.

公开(公告)号：US20170033593A1

公开(公告)日：2017-02-02

申请号：US15304171

申请日：2014-05-07

Applicant: Hitachi, Ltd.

Inventor： Hiroshi KAMIZUMA ,  Yukio HATTORI ,  Tetsuya KAWASHIMA ,  Akira MIMA ,  Daisuke MATSUMOTO ,  Yuuichi MABUCHI

IPC: H02J9/06 ,  H02M7/217 ,  H02M7/537

CPC classification number: H02M7/003 ,  H02J9/06 ,  H02J9/062 ,  H02M5/45 ,  H02M7/217

Abstract: An uninterruptible power-supply system is a power converter having a PN laminated bus bar and a plurality of power conversion units and supplying power from a commercial power supply via a converter and an inverter. The power conversion units each have positive side terminals connected to each other and negative side terminals connected to each other through the PN laminated bus bar. At least one power conversion unit constitutes a phase of the converter. At least another one power conversion unit constitutes a phase of the inverter and has the positive side terminal lying adjacent to and connected through the PN laminated bus bar to the positive side terminal of the corresponding power conversion unit constituting the phase of the converter and the negative side terminal lying adjacent to and connected to the negative side terminal of the corresponding power conversion unit constituting the phase of the converter.

Abstract translation: 不间断电源系统是具有PN层叠母线和多个电力转换单元的功率转换器，并且经由转换器和逆变器从商用电源供电。 功率转换单元各自具有彼此连接的正侧端子和通过PN层叠母线彼此连接的负极端子。 至少一个功率转换单元构成转换器的相位。 至少另一个功率转换单元构成逆变器的相位，正极侧端子靠近PN叠层母线并连接到构成转换器相位的相应功率转换单元的正侧端子，负极端子 侧端子与构成转换器的相位的相应功率转换单元的负侧端子相邻并连接。

公开(公告)号：US20160345463A1

公开(公告)日：2016-11-24

申请号：US15231244

申请日：2016-08-08

Applicant: Hitachi, Ltd.

Inventor： Daisuke MATSUMOTO ,  Akira MIMA ,  Tetsuya KAWASHIMA ,  Yuuichi MABUCHI ,  Yukio HATTORI ,  Hiroshi KAMIZUMA ,  Ryouhei MIYAGAWA ,  Tomonori ICHIKAWA

IPC: H05K7/20

CPC classification number: H05K7/209 ,  H01L23/3677 ,  H01L23/40 ,  H01L23/427 ,  H01L35/04 ,  H01L35/32 ,  H01L2924/0002 ,  H05K7/20336 ,  H05K7/20409 ,  H01L2924/00

Abstract: A cooling structure of a heating element includes: the heating element having at least one cooling surface from which a plurality of pin fins project; a heat receiving plate which has a shape complying with the cooling surface and in which holes are formed at positions facing each pin fin, each pin fin being movably inserted into the holes; a cooler which has a pair of clamping members that sandwich therebetween the heating element and the heat receiving plate while pressing the heating element and the heat receiving plate, and which cools the heat receiving plate; and a space securing part which is provided on the heat receiving plate and suppresses a distance between the pair of clamping members so as not to apply a pressing force by the clamping members to the heating element.

Abstract translation: 加热元件的冷却结构包括：加热元件具有至少一个冷却表面，多个销翅片从该冷却表面突出; 一个受热板，其具有与冷却表面一致的形状，并且在面对每个销翅片的位置处形成有孔，每个销翅片可移动地插入孔中; 冷却器，其具有一对夹持构件，其在加热元件和受热板的同时夹住加热元件和受热板，并且冷却热接收板; 以及设置在所述受热板上的空间固定部，并且抑制所述一对夹持构件之间的距离，以便不将所述夹持构件施加到所述加热元件上的按压力。