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。

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。

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。

公开(公告)号：US08971079B2

公开(公告)日：2015-03-03

申请号：US13638287

申请日：2011-03-31

申请人： Tetsuro Tateyama ,  Seiji Funaba ,  Yasuo Noto ,  Koichi Yahata ,  Hiroki Shimano

发明人： Tetsuro Tateyama ,  Seiji Funaba ,  Yasuo Noto ,  Koichi Yahata ,  Hiroki Shimano

IPC分类号： H02M3/24 ,  H02M7/5387

CPC分类号： H02M7/5387

摘要： An inverter device includes an inverter circuit, a control circuit, a first drive circuit, a second drive circuit, first and second photocouplers, and a signal switching part. The signal switching part directly transmits the first and second signals outputted from the first photocoupler and the second photocoupler to the corresponding first and second drive circuits respectively when at least one of the first and second signals is an OFF command.

摘要翻译： 逆变器装置包括逆变器电路，控制电路，第一驱动电路，第二驱动电路，第一和第二光电耦合器以及信号切换部。 当第一和第二信号中的至少一个是OFF命令时，信号切换部分分别将从第一光电耦合器和第二光电耦合器输出的第一和第二信号分别发送到对应的第一和第二驱动电路。

公开(公告)号：US20120051099A1

公开(公告)日：2012-03-01

申请号：US13213239

申请日：2011-08-19

申请人： Seiji FUNABA ,  Yasuo Noto ,  Masashige Tsuji

发明人： Seiji FUNABA ,  Yasuo Noto ,  Masashige Tsuji

IPC分类号： H02M3/335

CPC分类号： H02M1/08 ,  H02M3/335 ,  H02M7/5387 ,  H02M2001/0006 ,  H02M2001/0025 ,  H03K17/04123

摘要： A power conversion device includes an inverter circuit converting DC power into AC power and including switching devices constituting upper and lower arms, a control circuit controlling the switching devices, a drive circuit driving the switching devices by a signal from the control circuit, and an insulated power supply circuit supplying power to the drive circuit. The control circuit controls a power supply voltage to be outputted from the power supply circuit to the drive circuit. The drive circuit drives the switching devices and based on a carrier frequency and the power supply voltage. The power supply circuit includes a feedback output circuit through which the voltage outputted to the drive circuit is outputted to a power supply control IC. The feedback output circuit includes a dummy load circuit which controls the voltage to be outputted to the power supply control IC based on a change of the carrier frequency.

摘要翻译： 电力转换装置包括将直流电变换为交流电的逆变器电路，包括构成上臂和下臂的开关装置，控制开关装置的控制电路，通过来自控制电路的信号驱动开关装置的驱动电路，以及绝缘 电源电路向驱动电路供电。 控制电路控制从电源电路向驱动电路输出的电源电压。 驱动电路驱动开关器件，并根据载波频率和电源电压。 电源电路包括输出到驱动电路的电压输出到电源控制IC的反馈输出电路。 反馈输出电路包括基于载波频率的变化来控制输出到电源控制IC的电压的虚拟负载电路。

公开(公告)号：US20120020136A1

公开(公告)日：2012-01-26

申请号：US13201139

申请日：2010-02-19

申请人： Yoshio Akaishi ,  Yasuo Noto ,  Koichi Yahata ,  Seiji Funaba ,  Masashge Tsuji

发明人： Yoshio Akaishi ,  Yasuo Noto ,  Koichi Yahata ,  Seiji Funaba ,  Masashge Tsuji

IPC分类号： H02M7/48

CPC分类号： H02M7/48 ,  B60L11/1851 ,  H02M2001/322 ,  Y02T10/7005 ,  Y02T10/705

摘要： A power conversion system according to the present invention includes: an inverter circuit unit that converts a direct current power supplied from a direct current source into an alternating current power, the direct current power being supplied to the inverter circuit through a contactor that conducts and interrupts the direct current; a capacitor that smoothes the direct current power; a discharge circuit unit that is connected to the capacitor in parallel, and that includes a discharge resistor for discharging a charge stored in the capacitor and a switching element for the discharge resistor, being connected in series to the discharge resistor; a voltage detection circuit unit that detects voltage between both terminals of the capacitor; a first discharge control circuit that includes a first microcomputer, and that outputs a control signal to control switching of the switching element for discharging; and a second discharge control circuit that outputs an interruption signal to interrupt the switching element for the discharge resistor.

摘要翻译： 根据本发明的电力变换系统包括：逆变器电路单元，其将从直流源提供的直流电力转换为交流电力，直流电力通过接触器提供给逆变器电路，所述接触器导通和中断 直流电; 一个平滑直流电源的电容器; 放电电路单元，其并联连接到电容器，并且包括用于放电存储在电容器中的电荷的放电电阻器和用于放电电阻器的开关元件串联连接到放电电阻器; 电压检测电路单元，其检测所述电容器的两端之间的电压; 第一放电控制电路，包括第一微型计算机，并且输出控制信号以控制用于放电的开关元件的切换; 以及输出中断信号以中断放电电阻器的开关元件的第二放电控制电路。

公开(公告)号：US4708220A

公开(公告)日：1987-11-24

申请号：US712030

申请日：1985-03-15

申请人： Yasuo Noto ,  Shun-ichiro Sugimoto

发明人： Yasuo Noto ,  Shun-ichiro Sugimoto

IPC分类号： B62D5/04 ,  B62D6/00 ,  B62D6/02 ,  B62D101/00 ,  B62D113/00 ,  B62D119/00

CPC分类号： B62D5/0466

摘要： A power steering control apparatus includes apparatus for detecting a steering force applied to a steering wheel of a vehicle, an actuator controllable in accordance with an output of the steering force detecting apparatus and apparatus for detecting a steering angle, and the actuator is controlled in accordance with the steering angle and the steering force such that an assistant restoring force corresponding to the steering angle is applied to the steering wheel.

摘要翻译： 动力转向控制装置包括用于检测施加到车辆的方向盘的转向力的装置，可根据转向力检测装置的输出和用于检测转向角的装置控制的致动器，并且致动器根据 其中转向角和转向力使得对应于转向角的辅助恢复力被施加到方向盘。

公开(公告)号：US08970155B2

公开(公告)日：2015-03-03

申请号：US13981476

申请日：2012-02-21

申请人： Seiji Funaba ,  Yasuo Noto ,  Masashige Tsuji ,  Keiji Kunii ,  Koichi Yahata ,  Shinichiro Hida

发明人： Seiji Funaba ,  Yasuo Noto ,  Masashige Tsuji ,  Keiji Kunii ,  Koichi Yahata ,  Shinichiro Hida

IPC分类号： H02P1/00 ,  H02P27/06 ,  H02P27/08 ,  H02P29/02 ,  H02M1/084 ,  H02M7/5387 ,  H02M1/00

CPC分类号： H02P27/06 ,  B60L3/003 ,  B60L3/0046 ,  B60L3/0076 ,  H02M1/084 ,  H02M7/53871 ,  H02M2001/0006 ,  H02P3/22 ,  H02P27/08 ,  H02P29/024 ,  H02P29/0241 ,  Y02T10/642

摘要： An electric power converter is provided with a plurality of power-conversion elements; a first control circuit that outputs a first control signal; an electricity storage circuit; a second control circuit that outputs a second control signal when the direct-current power source that supplies electrical power to the first control circuit is not normal; and a drive circuit that outputs drive signals for driving the plurality of power-conversion elements. Each of the power-conversion elements is either a power-conversion element of the upper arm connected to the high-voltage side or a conversion element of the lower arm connected to the low-voltage side. In cases when the voltage of the electricity storage circuit is at a higher predetermined first voltage value, the second control circuit outputs a second control signal so that all the power-conversion elements of the upper arm or the lower arm are turned on and the others are turned off.

摘要翻译： 电力转换器具有多个电力转换元件; 输出第一控制信号的第一控制电路; 电力存储电路; 当向第一控制电路提供电力的直流电源不正常时，输出第二控制信号的第二控制电路; 以及驱动电路，其输出用于驱动多个电力转换元件的驱动信号。 每个功率转换元件是连接到高压侧的上臂的电力转换元件或连接到低电压侧的下臂的转换元件。 在蓄电电路的电压处于较高的预定的第一电压值的情况下，第二控制电路输出第二控制信号，使上臂或下臂的所有电力转换元件接通，其他 被关闭

公开(公告)号：US08947838B2

公开(公告)日：2015-02-03

申请号：US13213274

申请日：2011-08-19

申请人： Hiroyuki Yamai ,  Yasuo Noto ,  Yoshio Akaishi ,  Kohei Myoen

发明人： Hiroyuki Yamai ,  Yasuo Noto ,  Yoshio Akaishi ,  Kohei Myoen

IPC分类号： H02H5/04 ,  H02H7/08 ,  H02P29/02

CPC分类号： G01R31/02 ,  H02M7/537 ,  H02M2001/0009 ,  H02P29/032

摘要： According to the present invention, an overcurrent fault detection device includes: an inverter converting DC current to three-phase AC currents for driving a motor; a DC voltage detector; phase current detectors; a rotational position detector that detects a rotational angle of the motor; a control circuit that controls a gate drive circuit, which controls the inverter at every predetermined cycle, based upon the phase current values, a motor rotational angle detection value, and a speed command or a torque command from a higher-order control device; and a first decision-making circuit that detects an overcurrent based upon the phase current values at every predetermined cycle, wherein: the first decision-making circuit determines whether or not the phase current values exceed a predetermined amplitude threshold value by frequency detection for any of the phase current values exceeding the predetermined amplitude threshold value, and determines that an overcurrent has occurred upon detecting the frequency.

摘要翻译： 根据本发明，过电流故障检测装置包括：逆变器，将直流电流转换成用于驱动电动机的三相交流电流; 直流电压检测器; 相电流检测器; 旋转位置检测器，其检测所述电动机的旋转角度; 控制电路，其基于来自上位控制装置的相电流值，电动机旋转角度检测值，速度指令或转矩指令，控制以每隔一定周期控制逆变器的栅极驱动电路; 以及第一决策电路，其基于每个预定周期的相电流值来检测过电流，其中：所述第一判定电路通过频率检测来确定所述相电流值是否超过预定振幅阈值 相电流值超过预定振幅阈值，并且在检测到频率时确定已经发生过电流。

公开(公告)号：US20140191693A1

公开(公告)日：2014-07-10

申请号：US14234497

申请日：2012-07-04

申请人： Seiji Funaba ,  Yasuo Noto ,  Masashige Tsuji

发明人： Seiji Funaba ,  Yasuo Noto ,  Masashige Tsuji

IPC分类号： H02P27/06

CPC分类号： H02P27/06 ,  H02J7/0036 ,  H02M7/5387 ,  H02M2001/322

摘要： A power converter includes an inverter, a contactor for connecting a battery to the inverter in order to supply DC power from the battery to the inverter and for disconnecting the battery from the inverter in order to stop an operation to supply the DC power from the battery to the inverter, a smoothing capacitor connected in parallel to the battery through the contactor, a discharge circuit that is provided with a discharge resistor and a switching device connected in series to the discharge resistor and is connected in parallel to the smoothing capacitor to discharge electric charge from the smoothing capacitor, a voltage measurement circuit, a voltage-dividing circuit for dividing the voltage across the terminals of the smoothing capacitor to generate a partial voltage to be input to the voltage measurement circuit and a control circuit of the switching device.

摘要翻译： 电力转换器包括逆变器，用于将电池连接到逆变器的接触器，以便将来自电池的DC电力提供给逆变器，并且用于将电池与逆变器断开连接，以便停止从电池供应DC电力的操作 通过所述接触器与所述电池并联连接的平滑电容器，设置有放电电阻器的放电电路和与所述放电电阻器串联连接并与所述平滑电容器并联连接的放电电路， 来自平滑电容器的电荷，电压测量电路，用于分割平滑电容器的端子两端的电压的分压电路，以产生要输入到电压测量电路的部分电压和开关装置的控制电路。