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公开(公告)号：US08605471B2
公开(公告)日：2013-12-10
申请号：US13160724
申请日：2011-06-15
申请人： Takashi Ogura , Satoru Shigeta , Hiroaki Igarashi , Koichi Ono , Yasuo Noto
发明人： Takashi Ogura , Satoru Shigeta , Hiroaki Igarashi , Koichi Ono , Yasuo Noto
IPC分类号： H02H7/122 , H02M7/5387
CPC分类号： H02M7/5387 , H02M1/32
摘要： A power conversion device includes: an inverter that converts a DC current supplied from a DC power source to an AC current by engaging a plurality of switching elements, which constitute an upper arm, and a plurality of switching elements, which constitute a lower arm, in switching operation; a control unit that includes a signal generation unit that generates a switching signal carrying a command for execution of the switching operation in correspondence to each of the plurality of switching elements constituting the upper arm and the plurality of switching elements constituting the lower arm, and outputs the switching signal thus generated as a control signal; and a drive unit that individually drives each of the switching elements based upon the corresponding control signals. The control unit includes a plurality of protection circuits disposed in series on a control signal line extending between the signal generation unit and the drive unit, with each of the protection circuits outputting a control signal having been input thereto when a protective operation is not executed but outputting a control signal for setting the corresponding switching element either in a cut-off state or in an electrically continuous state in place of the control signal input thereto when the protective operation is executed.
摘要翻译： 电力转换装置包括：逆变器，其通过接合构成上臂的多个开关元件和构成下臂的多个开关元件来将从直流电源提供的直流电流转换为交流电流， 切换操作; 控制单元，其包括信号生成单元，该信号生成单元生成与构成上臂的多个开关元件和构成下臂的多个开关元件中的每一个对应地执行切换操作的指令的切换信号，并且输出 由此产生作为控制信号的切换信号; 以及驱动单元，其基于相应的控制信号独立地驱动每个开关元件。 控制单元包括多个保护电路，串联布置在信号发生单元和驱动单元之间延伸的控制信号线上，当不执行保护操作时，每个保护电路输出已输入的控制信号， 当执行保护操作时，输出用于将相应的开关元件设置在截止状态或电连续状态中的控制信号，以代替输入到其的控制信号。
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公开(公告)号：US20110310644A1
公开(公告)日：2011-12-22
申请号：US13160724
申请日：2011-06-15
申请人： Takashi OGURA , Satoru Shigeta , Hiroaki Igarashi , Koichi Ono , Yasuo Noto
发明人： Takashi OGURA , Satoru Shigeta , Hiroaki Igarashi , Koichi Ono , Yasuo Noto
IPC分类号： H02H7/122
CPC分类号： H02M7/5387 , H02M1/32
摘要： A power conversion device includes: an inverter that converts a DC current supplied from a DC power source to an AC current by engaging a plurality of switching elements, which constitute an upper arm, and a plurality of switching elements, which constitute a lower arm, in switching operation; a control unit that includes a signal generation unit that generates a switching signal carrying a command for execution of the switching operation in correspondence to each of the plurality of switching elements constituting the upper arm and the plurality of switching elements constituting the lower arm, and outputs the switching signal thus generated as a control signal; and a drive unit that individually drives each of the switching elements based upon the corresponding control signals. The control unit includes a plurality of protection circuits disposed in series on a control signal line extending between the signal generation unit and the drive unit, with each of the protection circuits outputting a control signal having been input thereto when a protective operation is not executed but outputting a control signal for setting the corresponding switching element either in a cut-off state or in an electrically continuous state in place of the control signal input thereto when the protective operation is executed.
摘要翻译： 电力转换装置包括：逆变器，其通过接合构成上臂的多个开关元件和构成下臂的多个开关元件来将从直流电源提供的直流电流转换为交流电流， 切换操作; 控制单元，其包括信号生成单元，该信号生成单元生成与构成上臂的多个开关元件和构成下臂的多个开关元件中的每一个对应地执行切换操作的指令的切换信号，并且输出 由此产生作为控制信号的切换信号; 以及驱动单元，其基于相应的控制信号独立地驱动每个开关元件。 控制单元包括多个保护电路，串联布置在信号发生单元和驱动单元之间延伸的控制信号线上，当不执行保护操作时，每个保护电路输出已输入的控制信号， 当执行保护操作时，输出用于将相应的开关元件设置在截止状态或电连续状态中的控制信号，以代替输入到其的控制信号。
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公开(公告)号：US20140092655A1
公开(公告)日：2014-04-03
申请号：US13885934
申请日：2010-12-07
申请人： Hiroaki Igarashi , Satoru Shigeta , Takashi Ogura
发明人： Hiroaki Igarashi , Satoru Shigeta , Takashi Ogura
IPC分类号： H02H7/122
CPC分类号： H02H7/122 , B60L3/003 , B60L11/1803 , B60L15/007 , H02M1/32 , H02M2001/327 , H02P27/08 , Y02T10/644 , Y02T10/645 , Y02T10/70 , Y02T10/7005
摘要： A power converter includes an inverter unit that includes a plurality of semiconductor switching elements constituting upper and lower arms and converts DC power into AC power; a gate driving unit that outputs, to the inverter unit, a gate signal used to drive gates of the plurality of semiconductor switching elements; a driving control unit that supplies the gate driving unit with a switching control signal used for the gate driving unit to output the gate signal; a first abnormality detection unit that performs over voltage detection of the DC power and over current detection of the AC power and temperature detection of the upper and lower arms; and a second abnormality detection unit that detects abnormality of the plurality of semiconductor switching elements of the upper arm and lower arms, wherein the driving control unit includes a first protection circuit and a second protection circuit.
摘要翻译： 电力转换器包括逆变器单元，其包括构成上臂和下臂的多个半导体开关元件，并将DC电力转换成AC电力; 栅极驱动单元，向所述逆变器单元输出用于驱动所述多个半导体开关元件的栅极的栅极信号; 为栅极驱动单元提供用于栅极驱动单元的开关控制信号以输出栅极信号的驱动控制单元; 第一异常检测单元，执行直流电力的过电压检测和上下臂的AC电力和温度检测的过电流检测; 以及第二异常检测单元，其检测上臂和下臂的多个半导体开关元件的异常，其中所述驱动控制单元包括第一保护电路和第二保护电路。
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公开(公告)号：US08976551B2
公开(公告)日：2015-03-10
申请号：US13885934
申请日：2010-12-07
申请人： Hiroaki Igarashi , Satoru Shigeta , Takashi Ogura
发明人： Hiroaki Igarashi , Satoru Shigeta , Takashi Ogura
CPC分类号： H02H7/122 , B60L3/003 , B60L11/1803 , B60L15/007 , H02M1/32 , H02M2001/327 , H02P27/08 , Y02T10/644 , Y02T10/645 , Y02T10/70 , Y02T10/7005
摘要： A power converter includes an inverter unit that includes a plurality of semiconductor switching elements constituting upper and lower arms and converts DC power into AC power; a gate driving unit that outputs, to the inverter unit, a gate signal used to drive gates of the plurality of semiconductor switching elements; a driving control unit that supplies the gate driving unit with a switching control signal used for the gate driving unit to output the gate signal; a first abnormality detection unit that performs over voltage detection of the DC power and over current detection of the AC power and temperature detection of the upper and lower arms; and a second abnormality detection unit that detects abnormality of the plurality of semiconductor switching elements of the upper arm and lower arms, wherein the driving control unit includes a first protection circuit and a second protection circuit.
摘要翻译： 电力转换器包括逆变器单元，其包括构成上臂和下臂的多个半导体开关元件，并将DC电力转换成AC电力; 栅极驱动单元，向所述逆变器单元输出用于驱动所述多个半导体开关元件的栅极的栅极信号; 为栅极驱动单元提供用于栅极驱动单元的开关控制信号以输出栅极信号的驱动控制单元; 第一异常检测单元，执行直流电力的过电压检测和上下臂的AC电力和温度检测的过电流检测; 以及第二异常检测单元，其检测上臂和下臂的多个半导体开关元件的异常，其中所述驱动控制单元包括第一保护电路和第二保护电路。
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公开(公告)号：US20090001410A1
公开(公告)日：2009-01-01
申请号：US12145894
申请日：2008-06-25
申请人： Satoru Shigeta , Shinichi Fujino , Yasuo Noto
发明人： Satoru Shigeta , Shinichi Fujino , Yasuo Noto
IPC分类号： H01L29/86
CPC分类号： H02M7/5387 , H02M1/08 , H02M3/1588
摘要： An electrical power conversion device includes: a switching element in which a principal electrical current flows in a direction from a second electrode towards a first electrode based upon a voltage being applied to a control electrode; a voltage control circuit that controls the voltage that is applied to the control electrode; and a continuity control circuit that is connected between the second electrode and the control electrode and controls continuity between the second electrode and the control electrode.
摘要翻译： 电力转换装置包括：开关元件，其中基于施加到控制电极的电压，主电流沿着从第二电极朝向第一电极的方向流动; 电压控制电路，其控制施加到所述控制电极的电压; 以及连接在第二电极和控制电极之间并且控制第二电极和控制电极之间的连续性的连续性控制电路。
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公开(公告)号：US20120326799A1
公开(公告)日：2012-12-27
申请号：US13518716
申请日：2010-12-15
IPC分类号： H04B3/28
摘要： There is provided a power conversion apparatus which allows a noise current or voltage to be suppressed at a low cost and in a small size, the noise current or voltage mixing into the power conversion apparatus by propagating through a control wiring connected to an external appliance.The power conversion apparatus includes a housing, connection terminals provided on the housing, a control-circuit unit provided inside the housing, a wiring for establishing the connection between the connection terminals and the control-circuit unit, a first noise-removing unit connected between the wiring and the ground potential of the housing, and a second noise-removing unit connected between the wiring and the ground potential of the housing, and also in parallel to the first noise-removing unit.
摘要翻译： 提供了一种电力转换装置，其通过通过连接到外部设备的控制线传播，允许以低成本和小尺寸将噪声电流或电压抑制到电力转换装置中的噪声电流或电压混合。 电力转换装置包括壳体，设置在壳体上的连接端子，设置在壳体内部的控制电路单元，用于建立连接端子和控制电路单元之间的连接的布线，第一噪声去除单元， 壳体的布线和接地电位，以及连接在壳体的布线和接地电位之间的第二噪声去除单元，并且还与第一噪声去除单元并联。
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公开(公告)号：US20100209748A1
公开(公告)日：2010-08-19
申请号：US12705305
申请日：2010-02-12
IPC分类号： H01M10/48
CPC分类号： H01M10/482 , H01M10/425 , H02J7/0021 , Y02T10/7055
摘要： A battery system includes: a battery unit formed by electrically connected in series a plurality of cell groups each made up with a plurality of battery cells electrically connected in series; a plurality of sensing lines for detecting voltages of respective battery cells in the battery unit; an integrated circuit provided to each of the cell group, to which the sensing lines for detecting voltages of respective battery cells in the cell group are connected; a case having housed therein a substrate at which a plurality of integrated circuits provided for the cell groups respectively are mounted; noise protection capacitors disposed between input terminals of the plurality of sensing lines; and at least one protection element against static electricity which is connected between the input terminals and the case.
摘要翻译： 电池系统包括：电池单元，其串联电连接多个电池组，每个电池组由多个串联电连接的电池组构成; 用于检测电池单元中的各个电池单元的电压的多个感测线; 提供给每个单元组的集成电路，用于检测电池组中的各个电池单元的电压的感测线连接到该单元组; 其中容纳有分别安装有用于单元组的多个集成电路的基板的壳体; 噪声保护电容器，设置在多个感测线路的输入端子之间; 以及连接在输入端子和壳体之间的至少一个抵抗静电的保护元件。
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8.发明申请公开(公告)号：US20060198072A1
公开(公告)日：2006-09-07
申请号：US11349901
申请日：2006-02-09
IPC分类号： H02H3/20
CPC分类号： H03K19/018 , H03K19/00376
摘要： An interface circuit capable of reliably transmitting signal even when there is fluctuation in the potential difference in reference potentials between circuits between which signal transmission is carried out. An interface circuit 4 is comprised of a level shift circuit 20 and a potential selection circuit 10 for selecting the potential of a power supply voltage for operating the level shift circuit 20. The potential selection circuit 10 selects one of a plurality of input potentials. The level shift circuit 20 receives a voltage pulse having a first potential as reference potential and outputs a voltage pulse having a second potential as reference potential. The level shift circuit 20 is operated on the basis of both a potential difference between the output potential from the potential selection circuit and the first potential and a potential difference between the selected potential and the second potential.
摘要翻译： 即使在执行信号传输的电路之间的参考电位的电位差发生波动时，也能够可靠地发送信号的接口电路。 接口电路4包括电平移位电路20和用于选择用于操作电平移位电路20的电源电压的电位的电位选择电路10.电位选择电路10选择多个输入电位之一。 电平移位电路20接收具有第一电位的电压脉冲作为参考电位，并输出具有第二电位的电压脉冲作为参考电位。 电平移位电路20基于来自电势选择电路的输出电位与第一电位之间的电位差和所选择的电位与第二电位之间的电位差两者来操作。
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9.发明申请Interface Circuit, Power Conversion Device, and Vehicle-Mounted Electric Machinery System 审中-公开接口电路，电源转换装置和车载电机系统公开(公告)号：US20080211563A1
公开(公告)日：2008-09-04
申请号：US12026616
申请日：2008-02-06
IPC分类号： H03L5/00
CPC分类号： H03K19/018 , F02N2011/0888 , H03K19/00376
摘要： An interface circuit capable of reliably transmitting signal even when there is fluctuation in the potential difference in reference potentials between circuits between which signal transmission is carried out. An interface circuit 4 is comprised of a level shift circuit 20 and a potential selection circuit 10 for selecting the potential of a power supply voltage for operating the level shift circuit 20. The potential selection circuit 10 selects one of a plurality of input potentials. The level shift circuit 20 receives a voltage pulse having a first potential as reference potential and outputs a voltage pulse having a second potential as reference potential. The level shift circuit 20 is operated on the basis of both a potential difference between the output potential from the potential selection circuit and the first potential and a potential difference between the selected potential and the second potential.
摘要翻译： 即使在执行信号传输的电路之间的参考电位的电位差发生波动时，也能够可靠地发送信号的接口电路。 接口电路4包括电平移位电路20和用于选择用于操作电平移位电路20的电源电压的电位的电位选择电路10。 电位选择电路10选择多个输入电位之一。 电平移位电路20接收具有第一电位的电压脉冲作为参考电位，并输出具有第二电位的电压脉冲作为参考电位。 电平移位电路20基于来自电势选择电路的输出电位与第一电位之间的电位差和所选择的电位与第二电位之间的电位差两者来操作。
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10.发明授权Current sensing method and current sensing device, power conversion device using this current sensing device, and vehicle using this power conversion device 失效电流检测方法和电流检测装置，使用该电流检测装置的电力转换装置，以及使用该电力转换装置的车辆公开(公告)号：US07310001B2
公开(公告)日：2007-12-18
申请号：US11206861
申请日：2005-08-19
申请人： Satoru Shigeta , Shinichi Fujino , Keita Hashimoto , Sadashi Seto
发明人： Satoru Shigeta , Shinichi Fujino , Keita Hashimoto , Sadashi Seto
IPC分类号： G01R31/26
CPC分类号： G01R19/16547 , G01R19/32
摘要： A current sensing device for sensing current flowing through a MOSFET has a voltage divider circuit composed of a series circuit of a first resistor and a second resistor having different resistance temperature coefficients, with a voltage division ratio designed to change depending on temperature. The sensing device is connected between a source and a drain of said MOSFET. A sensing circuit takes out the source-to-drain voltage divided with the voltage divider to sense the current flowing through the MOSFET.
摘要翻译： 用于感测流过MOSFET的电流的电流感测装置具有由具有不同电阻温度系数的第一电阻器和第二电阻器的串联电路组成的分压电路，其分压比被设计为根据温度而变化。 感测装置连接在所述MOSFET的源极和漏极之间。 感测电路取出分压器分压的源极至漏极电压，以感测流过MOSFET的电流。
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