公开(公告)号：US20130088279A1

公开(公告)日：2013-04-11

申请号：US13638372

申请日：2011-04-01

申请人： Hiroki Shimano ,  Yasuo Noto ,  Koichi Yahata ,  Seiji Funaba ,  Yoshio Akaishi

发明人： Hiroki Shimano ,  Yasuo Noto ,  Koichi Yahata ,  Seiji Funaba ,  Yoshio Akaishi

IPC分类号： H03K17/284

CPC分类号： H03K17/284 ,  H02M1/08 ,  H03K17/163 ,  H03K2217/0036

摘要： The present invention provides a power converter including a power semiconductor device, a driver circuit section that outputs a driving signal for driving the power semiconductor device, a buffer circuit section that includes a PNP transistor and an NPN transistor and that outputs a gate voltage for driving the power semiconductor device, a first delay circuit section that receives the driving signal and that generates a first delay signal on the basis of the received driving signal, a first MOSFET that has a drain electrode connected with the output of the buffer circuit section and that is driven on the basis of the first delay signal. A current flows through the buffer circuit section and the first MOSFET on the basis of the received driving signal, the first delay circuit section outputs the first delay signal after the buffer circuit section exits the transient state and turns on, and the gate voltage is applied to the power semiconductor device from the buffer circuit section to turn the power semiconductor device on by the switching operation of the first MOSFET based on the first delay signal.

摘要翻译： 本发明提供了一种功率转换器，包括功率半导体器件，输出用于驱动功率半导体器件的驱动信号的驱动器电路部分，包括PNP晶体管和NPN晶体管的缓冲电路部分，并且输出用于驱动的​​栅极电压 所述功率半导体器件，接收所述驱动信号并基于所接收的驱动信号产生第一延迟信号的第一延迟电路部，具有与所述缓冲电路部的输出连接的漏电极的第一MOSFET，以及与所述缓冲电路部的输出连接的第一MOSFET， 基于第一延迟信号被驱动。 A电流根据接收到的驱动信号流过缓冲电路部分和第一MOSFET，第一延迟电路部分在缓冲电路部分退出瞬态之后输出第一延迟信号并导通，施加栅极电压 从缓冲电路部分到功率半导体器件，通过基于第一延迟信号的第一MOSFET的开关操作使功率半导体器件导通。

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：US08791681B2

公开(公告)日：2014-07-29

申请号：US13201139

申请日：2010-02-19

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

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

IPC分类号： H02M3/156

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：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：US20130051099A1

公开(公告)日：2013-02-28

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： H02M7/537

CPC分类号： H02M7/5387

摘要： An inverter device includes: an inverter circuit which includes an upper-arm-use first switching element (328U to 328W) and a lower-arm-use second switching element (330U to 330W); a control circuit (319) which outputs a first signal which is an ON/OFF command for the first switching element and a second signal which is an ON/OFF command for the second switching element respectively; a first drive circuit (610U to 610W) which performs ON/OFF driving of the first semiconductor switching element based on the ON/OFF command which is the first signal; a second drive circuit (611U to 611W) which performs ON/OFF driving of the second semiconductor switching element based on the ON/OFF command which is the second signal; and a signal switching part (616U to 616W) which directly inputs the first and second signals outputted from the control circuit to the corresponding first and second drive circuits respectively when at least one of the first and second signals is an OFF command, and interrupts inputting of the first signal to the first drive circuit and inputting of the second signal to the second drive circuit and inputs a third signal which is an OFF command to the first and second drive circuits when both the first and second signals are ON commands.

摘要翻译： 逆变器装置包括：包括上臂使用的第一开关元件（328U至328W）和下臂用第二开关元件（330U至330W）的逆变器电路; 输出作为第一开关元件的ON / OFF指令的第一信号和作为第二开关元件的ON / OFF指令的第二信号的控制电路（319） 基于作为第一信号的ON / OFF命令，执行第一半导体开关元件的ON / OFF驱动的第一驱动电路（610U〜610W） 基于作为第二信号的ON / OFF命令进行第二半导体开关元件的ON / OFF驱动的第二驱动电路（611U〜611W） 以及当第一和第二信号中的至少一个是OFF命令时，分别直接将从控制电路输出的第一和第二信号输入到相应的第一和第二驱动电路的信号切换部分（616U至616W），并且中断输入 的第一信号输入到第一驱动电路，并将第二信号输入到第二驱动电路，并且当第一和第二信号都是ON命令时，将作为OFF命令的第三信号输入到第一和第二驱动电路。

公开(公告)号：US20140085762A1

公开(公告)日：2014-03-27

申请号：US14119091

申请日：2012-05-21

申请人： Hiroki Shimano ,  Koichi Yahata ,  Yoshio Akaishi ,  Yasuo Noto

发明人： Hiroki Shimano ,  Koichi Yahata ,  Yoshio Akaishi ,  Yasuo Noto

IPC分类号： H03K17/08

CPC分类号： H03K17/08 ,  H02M1/08 ,  H02M1/32 ,  H02M7/5387

摘要： An inverter drive device includes a drive circuit that outputs a gate voltage signal of a power semiconductor element; and a Zener clamping protection circuit that acquires an emitter electrode side voltage of the power semiconductor element, and, if that voltage is greater than a predetermined voltage value, performs clamping of the gate voltage of the drive circuit after a predetermined time interval has elapsed from the acquisition of the emitter electrode side voltage. The Zener clamping protection circuit includes a latch circuit that, after the emitter electrode side voltage has been acquired, continues the clamping of the gate voltage by the Zener clamping protection circuit during an interval.

摘要翻译： 逆变器驱动装置包括：输出功率半导体元件的栅极电压信号的驱动电路; 以及获取功率半导体元件的发射极侧电压的齐纳钳位保护电路，如果该电压大于预定电压值，则在经过预定时间间隔之后，驱动电路的栅极电压被钳位 采集发射极电极侧电压。 齐纳钳位保护电路包括一个锁存电路，其在获得发射极电极侧电压之后，在间隔期间通过齐纳钳位保护电路继续钳位栅极电压。

公开(公告)号：US09065443B2

公开(公告)日：2015-06-23

申请号：US14119091

申请日：2012-05-21

申请人： Hiroki Shimano ,  Koichi Yahata ,  Yoshio Akaishi ,  Yasuo Noto

发明人： Hiroki Shimano ,  Koichi Yahata ,  Yoshio Akaishi ,  Yasuo Noto

IPC分类号： H02M1/32 ,  H03K17/08 ,  H02M1/08 ,  H02M7/5387

CPC分类号： H03K17/08 ,  H02M1/08 ,  H02M1/32 ,  H02M7/5387

摘要： An inverter drive device includes a drive circuit that outputs a gate voltage signal of a power semiconductor element; and a Zener clamping protection circuit that acquires an emitter electrode side voltage of the power semiconductor element, and, if that voltage is greater than a predetermined voltage value, performs clamping of the gate voltage of the drive circuit after a predetermined time interval has elapsed from the acquisition of the emitter electrode side voltage. The Zener clamping protection circuit includes a latch circuit that, after the emitter electrode side voltage has been acquired, continues the clamping of the gate voltage by the Zener clamping protection circuit during an interval.

摘要翻译： 逆变器驱动装置包括：输出功率半导体元件的栅极电压信号的驱动电路; 以及获取功率半导体元件的发射极侧电压的齐纳钳位保护电路，如果该电压大于预定电压值，则在经过预定时间间隔之后，驱动电路的栅极电压被钳位 采集发射极电极侧电压。 齐纳钳位保护电路包括一个锁存电路，其在获得发射极电极侧电压之后，在间隔期间通过齐纳钳位保护电路继续钳位栅极电压。

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：US20130328514A1

公开(公告)日：2013-12-12

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： H02P27/06

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：US20120001574A1

公开(公告)日：2012-01-05

申请号：US13171582

申请日：2011-06-29

申请人： Yoshio Akaishi ,  Yasuo Noto ,  Koichi Yahata ,  Hirokazu Matsui

发明人： Yoshio Akaishi ,  Yasuo Noto ,  Koichi Yahata ,  Hirokazu Matsui

IPC分类号： H02P6/14

CPC分类号： H02P21/06 ,  H02H7/1227 ,  H02P29/032

摘要： According to the present invention, an electrical power conversion system includes: a motor; an inverter circuit that outputs three-phase (U-phase, V-phase, W-phase) alternating currents to the motor; a current sensor that detects each of the three-phase alternating currents; and a control circuit that controls the inverter circuit based on a torque command value and values detected by the current sensor, so that the three-phase alternating currents outputted from the inverter circuit are formed as sine waves; and wherein the control circuit includes: a current component extraction unit that, based on the values detected by the current sensor, for each phase, extracts current components superimposed upon each of three-phase alternating currents; and an AC current abnormality detection unit that detects abnormality of an AC current flowing to the motor, based on the phases of the current components for any two phases among the three-phase alternating currents.

摘要翻译： 根据本发明，电力转换系统包括：电动机; 向电动机输出三相（U相，V相，W相）交流电流的逆变器电路; 检测三相交流电流的电流传感器; 以及控制电路，其基于转矩指令值和由电流传感器检测的值来控制逆变器电路，使得从逆变器电路输出的三相交流电流形成为正弦波; 并且其中所述控制电路包括：电流分量提取单元，其基于由所述电流传感器检测的每个相位的值提取叠加在每个三相交流电流上的电流分量; 以及AC电流异常检测单元，其基于三相交流电中的任何两相的电流分量的相位来检测流向电动机的AC电流的异常。