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1. 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。

2. 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。

3. 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。

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

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。

6. 发明授权

US07561429B2 Power converter unit 有权
标题翻译：电源转换器单元
公开(公告)号：US07561429B2
公开(公告)日：2009-07-14
申请号：US11938851
申请日：2007-11-13
申请人： Koichi Yahata , Seigo Yukutake , Yoshio Akaishi
发明人： Koichi Yahata , Seigo Yukutake , Yoshio Akaishi
IPC分类号： H05K7/20
CPC分类号： H02M7/003 , H01L2224/45124 , H01L2224/45147 , H01L2224/48091 , H01L2224/48139 , H01L2224/49175 , H01L2924/1305 , H01L2924/13055 , H01L2924/13091 , H01L2924/30107 , H01L2924/3025 , H01L2924/00 , H01L2924/00014 , H01L2924/00011
摘要： A power converter unit comprises: a metal casing; a power module mounted in the metal casing and equipped with two or more power semiconductor devices; a metal plate disposed on the power module and fixed to the metal casing; a heat dissipating sheet disposed on the metal plate; and a drive circuit board disposed on the heat dissipating sheet and is equipped with a control circuit for controlling the power semiconductor devices.
摘要翻译：电力转换器单元包括：金属外壳; 电源模块，安装在金属外壳中并配备有两个或多个功率半导体器件; 金属板，设置在电源模块上并固定到金属外壳; 设置在所述金属板上的散热片; 以及设置在散热片上的驱动电路板，并且配备有用于控制功率半导体器件的控制电路。

7. 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。

8. 发明授权

US08228700B2 Power conversion device 有权
标题翻译：电源转换装置
公开(公告)号：US08228700B2
公开(公告)日：2012-07-24
申请号：US12867866
申请日：2009-07-30
申请人： Koichi Yahata , Masashige Tsuji , Yoshio Akaishi
发明人： Koichi Yahata , Masashige Tsuji , Yoshio Akaishi
IPC分类号： H02M7/5387 , H02M1/00 , H05K7/20 , H02B1/00
CPC分类号： H02P27/08 , B60L3/003 , B60L3/0069 , B60L15/007 , B60L2200/36 , B60L2210/40 , B60L2240/525 , H01L2224/48139 , H01L2224/48472 , H01L2224/49111 , H02M7/003 , H05K1/0263 , H05K1/0298 , H05K1/181 , H05K7/1432 , H05K2201/09972 , H05K2201/10121 , Y02P70/611 , Y02T10/644 , Y02T10/645 , Y02T10/7241
摘要： Connection portions (225UP through 225WP) to which upper arm control terminals (320UU through 320UW) are connected are disposed at a first edge portion of a drive circuit board (22). And connection portions (225UN through 225WN to which lower arm control terminals (320LU through 320LW) are connected are disposed at a second edge portion of the drive circuit board (22). Upper arm implementation regions (227UP through 227WP), lower arm implementation regions (227UN through 227WN), and a low voltage pattern region (228) in which photo-couplers (221U through 221W) are implemented are formed in the board region between these board edge portions. And signal wiring (40U) that transmits a control signal from a photo-coupler (221U) to an implementation region (227UN) is formed in a conductor layer that is a lower layer than the conductor layer in the lower arm implementation region in which the lower arm driver circuit is implemented.
摘要翻译：上臂控制端子（320UU至320UW）连接到的连接部分（225UP至225WP）设置在驱动电路板（22）的第一边缘部分。并且在驱动电路基板（22）的第二边缘部分配置有与下臂控制端子（320LU〜320LW）连接的连接部（225UN〜225WN），上臂实施区域（227UP〜227WP），下臂实施区域（227UN至227WN）和其中实现光耦合器（221U至221W）的低电压图案区域（228）形成在这些板边缘部分之间的板区域中，并且发送控制信号的信号布线（40U）在作为下臂驱动电路的下臂实施区域中的导体层的下层的导体层中形成从光电耦合器（221U）到实现区域（227UN）的导体层。

9. 发明申请

US20090002974A1 Power Converter Unit 审中-公开
标题翻译：电源转换器单元
公开(公告)号：US20090002974A1
公开(公告)日：2009-01-01
申请号：US12130455
申请日：2008-05-30
申请人： Koichi YAHATA , Yoshio Akaishi , Yuuki Takahashi
发明人： Koichi YAHATA , Yoshio Akaishi , Yuuki Takahashi
IPC分类号： H05K7/04
CPC分类号： H02M7/003 , B60L15/20 , H01L2224/45124 , H01L2224/45147 , H01L2224/48137 , H01L2224/48139 , H01L2224/49111 , H01L2224/49175 , H01L2924/13055 , H01L2924/13091 , H01L2924/19107 , Y02T10/645 , Y02T10/72 , Y02T10/7275 , H01L2924/00014 , H01L2924/00011 , H01L2924/00
摘要： A power converter unit has a metal case; a power module having a plurality of power semiconductor devices that is provided inside the metal case; a gate drive circuit board having a circuit for driving the plurality of the power semiconductor devices that is mounted on the power module; a voltage sensor that is mounted on the gate drive circuit board; a metal plate for electrically connecting the metal case with the gate drive circuit board; screws and soldered parts for fixing the metal plate to the gate drive circuit board; a first wiring that is set up on the gate drive circuit board for electrically connecting the voltage sensor with the soldered parts; and a second wiring that is set up on the gate drive circuit board for electrically connecting the screws and the soldered parts.
摘要翻译：电源转换器单元具有金属外壳; 功率模块，具有设置在所述金属壳体内的多个功率半导体装置; 门驱动电路板，具有用于驱动安装在功率模块上的多个功率半导体器件的电路; 安装在栅极驱动电路板上的电压传感器; 用于将金属壳体与栅极驱动电路板电连接的金属板; 螺钉和焊接部件，用于将金属板固定到栅极驱动电路板; 设置在栅极驱动电路板上用于将电压传感器与焊接部件电连接的第一布线; 以及第二布线，其设置在用于电连接螺钉和焊接部件的栅极驱动电路板上。

10. 发明申请

US20080112201A1 Power Converter Unit 有权
标题翻译：电源转换器单元
公开(公告)号：US20080112201A1
公开(公告)日：2008-05-15
申请号：US11938851
申请日：2007-11-13
申请人： Koichi YAHATA , Seigo Yukutake , Yoshio Akaishi
发明人： Koichi YAHATA , Seigo Yukutake , Yoshio Akaishi
IPC分类号： H02M7/537 , H05K7/20
CPC分类号： H02M7/003 , H01L2224/45124 , H01L2224/45147 , H01L2224/48091 , H01L2224/48139 , H01L2224/49175 , H01L2924/1305 , H01L2924/13055 , H01L2924/13091 , H01L2924/30107 , H01L2924/3025 , H01L2924/00 , H01L2924/00014 , H01L2924/00011
摘要： A power converter unit comprises: a metal casing; a power module mounted in the metal casing and equipped with two or more power semiconductor devices; a metal plate disposed on the power module and fixed to the metal casing; a heat dissipating sheet disposed on the metal plate; and a drive circuit board disposed on the heat dissipating sheet and is equipped with a control circuit for controlling the power semiconductor devices.
摘要翻译：电力转换器单元包括：金属外壳; 电源模块，安装在金属外壳中并配备有两个或多个功率半导体器件; 金属板，设置在电源模块上并固定到金属外壳; 设置在所述金属板上的散热片; 以及设置在散热片上的驱动电路板，并且配备有用于控制功率半导体器件的控制电路。

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