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1. 发明申请

US20140085762A1 Inverter Drive Device 有权
标题翻译：变频器驱动装置
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。

2. 发明授权

US09065443B2 Inverter drive device 有权
标题翻译：变频器驱动装置
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。

3. 发明申请

US20130088279A1 Power Converter 审中-公开
标题翻译：电源转换器
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。

4. 发明申请

US20120020136A1 Electric Power Conversion System 有权
标题翻译：电力转换系统
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。

5. 发明授权

US08791681B2 Electric power conversion system 有权
标题翻译：电力转换系统
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。

6. 发明申请

US20120001574A1 Electric Power Conversion System and Electric Power Conversion Device 有权
标题翻译：电力转换系统和电力转换装置
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。

7. 发明授权

US08471507B2 Electric power conversion system and electric power conversion device 有权
标题翻译：电力转换系统和电力转换装置
公开(公告)号：US08471507B2
公开(公告)日：2013-06-25
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 , H02M5/40
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。

8. 发明授权

US08971079B2 Inverter device 有权
标题翻译：变频器
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。

9. 发明申请

US20130051099A1 Inverter Device 有权
标题翻译：变频器
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。

10. 发明授权

US08947838B2 Overcurrent fault detection device for electrical drive control system 有权
标题翻译：电驱动控制系统过流故障检测装置
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。

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