-
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
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。
-
公开(公告)号：US20130033914A1
公开(公告)日：2013-02-07
申请号：US13641622
申请日：2011-04-27
申请人： Koichi Yahata , Seiji Funaba , Masashige Tsuji
发明人： Koichi Yahata , Seiji Funaba , Masashige Tsuji
IPC分类号： H02M7/5387
CPC分类号： H02M7/48 , H02M2001/322 , H02P27/06
摘要： A power conversion device (140) includes an inverter circuit (12) that includes a bridge-connected power semiconductor element and is connected to a DC power supply through an openable and closable contactor (15), a driver circuit (21) to drive the power semiconductor element, a driver circuit control part (18) that performs PWM (Pulse Width Modulation) control on the driver circuit and causes the power semiconductor element to perform a switching operation, a voltage smoothing capacitor (500) connected in parallel to an input side of the inverter circuit, a driver power supply circuit (27) that is connected in parallel to the voltage smoothing capacitor, is inputted with a voltage applied to the voltage smoothing capacitor and supplies electric power to the driver circuit, a discharge circuit that includes a resistor (25) for discharging an electric charge of the voltage smoothing capacitor and a discharging switching element (26) connected in series to the resistor, and is connected in parallel to the voltage smoothing capacitor, and a discharge control part (24) that turns on the discharging switching element when the contactor is placed in an open state and causes the discharge circuit to discharge.
摘要翻译： 电力转换装置（140）包括逆变器电路（12），该逆变器电路包括桥接功率半导体元件，并且通过可开启和闭合的接触器（15）连接到直流电源;驱动电路（21） 功率半导体元件，驱动电路控制部（18），其对所述驱动电路进行PWM（脉宽调制）控制，使所述功率半导体元件进行开关动作;电压平滑电容器，500并联连接到输入端 输入与电压平滑电容器并联连接的驱动器电源电路（27），施加到电压平滑电容器的电压并向驱动器电路供给电力;放电电路，其包括： 用于放电电压平滑电容器的电荷的电阻器（25）和与电阻器串联连接的放电开关元件（26），并连接 以及放电控制部（24），其在接触器处于打开状态时导通放电开关元件，并使放电电路放电。
-
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。
-
公开(公告)号：US20110199800A1
公开(公告)日：2011-08-18
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： H02M7/53862
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。
-
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。
-
公开(公告)号：US20090243524A1
公开(公告)日：2009-10-01
申请号：US12479881
申请日：2009-06-08
IPC分类号： H02P6/16
CPC分类号： B60L11/12 , B60L2260/56 , H02M7/003 , H05K1/0231 , H05K1/144 , Y02T10/7005 , Y02T10/7022 , Y02T10/7077
摘要： A power inverter comprises a power module connected at least to a rotating electric machine, a gate drive circuit board which supplies switching power to the power module, and a rotating electric machine control circuit board which supplies a signal for controlling the waveform of the switching power to the gate drive circuit board. A noise reduction board is formed on a board different from the rotating electric machine control circuit board. The configuration of the noise reduction board is such that various signals for forming a signal for controlling the waveform of the switching power by means of the rotating electric machine control circuit board are inputted through the noise reduction board to the rotating electric machine control circuit board.
摘要翻译： 电力逆变器包括至少连接到旋转电机的功率模块，向功率模块提供开关电力的栅极驱动电路板，以及提供用于控制开关功率波形的信号的旋转电机控制电路板 到门驱动电路板。 在与旋转电机控制电路板不同的板上形成降噪板。 降噪板的结构是这样的：通过旋转电机控制电路板形成用于控制开关电源波形的信号的各种信号通过降噪板被输入到旋转电机控制电路板。
-
公开(公告)号：US20070246636A1
公开(公告)日：2007-10-25
申请号：US11783057
申请日：2007-04-05
IPC分类号： F16M5/00
CPC分类号： B60L11/12 , B60L2260/56 , H02M7/003 , H05K1/0231 , H05K1/144 , Y02T10/7005 , Y02T10/7022 , Y02T10/7077
摘要： A power inverter comprises a power module connected at least to a rotating electric machine, a gate drive circuit board which supplies switching power to the power module, and a rotating electric machine control circuit board which supplies a signal for controlling the waveform of the switching power to the gate drive circuit board. A noise reduction board is formed on a board different from the rotating electric machine control circuit board. The configuration of the noise reduction board is such that various signals for forming a signal for controlling the waveform of the switching power by means of the rotating electric machine control circuit board are inputted through the noise reduction board to the rotating electric machine control circuit board.
摘要翻译： 电力逆变器包括至少连接到旋转电机的功率模块，向功率模块提供开关电力的栅极驱动电路板，以及提供用于控制开关功率波形的信号的旋转电机控制电路板 到门驱动电路板。 在与旋转电机控制电路板不同的板上形成降噪板。 降噪板的结构是这样的：通过旋转电机控制电路板形成用于控制开关电源波形的信号的各种信号通过降噪板被输入到旋转电机控制电路板。
-
公开(公告)号：US07719838B2
公开(公告)日：2010-05-18
申请号：US12020336
申请日：2008-01-25
IPC分类号： H05K7/20
CPC分类号： H05K7/20927 , H01L2224/48139 , H01L2224/48472 , H01L2224/49111 , H02M7/003
摘要： The power inverter includes: a case made of a metal; a first power module provided in the case and including a DC terminal and an AC terminal; a second power module provided in the case and including a DC terminal and an AC terminal; and a cooling formation body for decreasing heat generated from the first and second power modules. The first and second power modules are disposed in a manner such that the DC terminals face each other.
摘要翻译： 电力逆变器包括：由金属制成的壳体; 设置在所述壳体中并且包括DC端子和AC端子的第一电力模块; 设置在所述壳体中并包括DC端子和AC端子的第二电源模块; 以及用于减少从第一和第二功率模块产生的热的冷却结构体。 第一和第二电源模块以使得DC端子彼此面对的方式设置。
-
公开(公告)号：US20080225487A1
公开(公告)日：2008-09-18
申请号：US12020336
申请日：2008-01-25
IPC分类号： H05K7/20
CPC分类号： H05K7/20927 , H01L2224/48139 , H01L2224/48472 , H01L2224/49111 , H02M7/003
摘要： The power inverter includes: a case made of a metal; a first power module provided in the case and including a DC terminal and an AC terminal; a second power module provided in the case and including a DC terminal and an AC terminal; and a cooling formation body for decreasing heat generated from the first and second power modules. The first and second power modules are disposed in a manner such that the DC terminals face each other.
摘要翻译： 电力逆变器包括：由金属制成的壳体; 设置在所述壳体中并且包括DC端子和AC端子的第一电力模块; 设置在所述壳体中并包括DC端子和AC端子的第二电源模块; 以及用于减少从第一和第二功率模块产生的热的冷却结构体。 第一和第二电源模块以使得DC端子彼此面对的方式设置。
-
公开(公告)号：US08040088B2
公开(公告)日：2011-10-18
申请号：US12479881
申请日：2009-06-08
IPC分类号： H02P6/16
CPC分类号： B60L11/12 , B60L2260/56 , H02M7/003 , H05K1/0231 , H05K1/144 , Y02T10/7005 , Y02T10/7022 , Y02T10/7077
摘要： A power inverter comprises a power module connected at least to a rotating electric machine, a gate drive circuit board which supplies switching power to the power module, and a rotating electric machine control circuit board which supplies a signal for controlling the waveform of the switching power to the gate drive circuit board. A noise reduction board is formed on a board different from the rotating electric machine control circuit board. The configuration of the noise reduction board is such that various signals for forming a signal for controlling the waveform of the switching power by means of the rotating electric machine control circuit board are inputted through the noise reduction board to the rotating electric machine control circuit board.
摘要翻译： 电力逆变器包括至少连接到旋转电机的功率模块，向功率模块提供开关电力的栅极驱动电路板，以及提供用于控制开关功率波形的信号的旋转电机控制电路板 到门驱动电路板。 在与旋转电机控制电路板不同的板上形成降噪板。 降噪板的结构是这样的：通过旋转电机控制电路板形成用于控制开关电源波形的信号的各种信号通过降噪板被输入到旋转电机控制电路板。
-
-
-
-
-
-
-
-
-
搜索结果
23 条记录 (耗时 0.03 秒)
