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1. 发明授权

US08427225B2 Gate driving circuit 有权
标题翻译：门驱动电路
公开(公告)号：US08427225B2
公开(公告)日：2013-04-23
申请号：US12681515
申请日：2008-09-03
申请人： Hiroshi Nakatake , Masaru Fuku , Tatsuya Okuda , Yoshikazu Tsunoda
发明人： Hiroshi Nakatake , Masaru Fuku , Tatsuya Okuda , Yoshikazu Tsunoda
IPC分类号： H03K17/687
CPC分类号： H02M1/08 , H03K17/0406 , H03K17/0412 , H03K17/162 , H03K2217/0036
摘要： To obtain a gate driving circuit in which rising of a constant current of a constant current circuit is fast and power saving is achieved, the gate driving circuit includes: a constant current driving circuit (28) for supplying a constant current; a gate terminal of a power semiconductor element (1), which is connected to an output terminal of the constant current driving circuit; a comparator (22) for comparing a voltage at the gate terminal with a predetermined voltage value and outputting a signal indicating that the voltage is higher than the predetermined voltage value; and a driving control section (20) for increasing a current from the constant current driving circuit in response to a signal for turning on the power semiconductor element, and reducing the current from the constant current driving circuit in response to the signal from the comparator.
摘要翻译：为了获得恒定电流电路的恒定电流的上升快速并且实现功率节省的栅极驱动电路，栅极驱动电路包括：用于提供恒定电流的恒定电流驱动电路（28）; 功率半导体元件（1）的栅极端子，连接到恒流驱动电路的输出端子; 比较器（22），用于将栅极端子处的电压与预定电压值进行比较，并输出表示电压高于预定电压值的信号; 以及用于响应于用于接通功率半导体元件的信号而增加来自恒定电流驱动电路的电流并且响应于来自比较器的信号而减小来自恒定电流驱动电路的电流的驱动控制部分（20）。

2. 发明授权

US08138818B2 Gate drive apparatus 有权
标题翻译：闸门驱动装置
公开(公告)号：US08138818B2
公开(公告)日：2012-03-20
申请号：US12144871
申请日：2008-06-24
申请人： Yoshikazu Tsunoda , Tatsuya Okuda , Masaru Fuku
发明人： Yoshikazu Tsunoda , Tatsuya Okuda , Masaru Fuku
IPC分类号： H03K17/04
CPC分类号： H03K17/168 , H03K17/0406 , H03K17/063 , H03K17/08128
摘要： A gate drive apparatus including a constant-current-pulse gate drive circuit which creates a gate signal for a switching device as a constant-current output, a constant-voltage-pulse gate drive circuit which creates the gate signal as a constant-voltage output, and a decision/switch circuit which switches the operation of the constant-current-pulse gate drive circuit and the operation of the constant-voltage-pulse gate drive circuit. The variance of switching speeds attributed to the variances of threshold voltages and mirror voltages in a plurality of switching devices which are driven by the gate drive apparatus can be suppressed, and the variance of losses can be minimized.
摘要翻译：一种栅极驱动装置，包括：恒定电流脉冲栅极驱动电路，其将作为恒流输出的开关装置的栅极信号产生;恒压脉冲栅极驱动电路，其将栅极信号作为恒定电压输出以及切换恒流脉冲栅极驱动电路的动作和恒压脉冲栅极驱动电路的动作的决定/切换电路。可以抑制归因于由栅极驱动装置驱动的多个开关装置中的阈值电压和镜像电压的方差的开关速度的变化，并且可以使损失的方差最小化。

3. 发明申请

US20090002054A1 GATE DRIVE APPARATUS 有权
标题翻译：门驱动装置
公开(公告)号：US20090002054A1
公开(公告)日：2009-01-01
申请号：US12144871
申请日：2008-06-24
申请人： Yoshikazu TSUNODA , Tatsuya Okuda , Masaru Fuku
发明人： Yoshikazu TSUNODA , Tatsuya Okuda , Masaru Fuku
IPC分类号： H03K17/04
CPC分类号： H03K17/168 , H03K17/0406 , H03K17/063 , H03K17/08128
摘要： A gate drive apparatus including a constant-current-pulse gate drive circuit which creates a gate signal for a switching device as a constant-current output, a constant-voltage-pulse gate drive circuit which creates the gate signal as a constant-voltage output, and a decision/switch circuit which switches the operation of the constant-current-pulse gate drive circuit and the operation of the constant-voltage-pulse gate drive circuit. The variance of switching speeds attributed to the variances of threshold voltages and mirror voltages in a plurality of switching devices which are driven by the gate drive apparatus can be suppressed, and the variance of losses can be minimized.
摘要翻译：一种栅极驱动装置，包括：恒定电流脉冲栅极驱动电路，其将作为恒流输出的开关装置的栅极信号产生;恒压脉冲栅极驱动电路，其将栅极信号作为恒定电压输出以及切换恒流脉冲栅极驱动电路的动作和恒压脉冲栅极驱动电路的动作的决定/切换电路。可以抑制归因于由栅极驱动装置驱动的多个开关装置中的阈值电压和镜像电压的方差的开关速度的变化，并且可以使损失的方差最小化。

4. 发明申请

US20100213989A1 GATE DRIVING CIRCUIT 有权
标题翻译：门驱动电路
公开(公告)号：US20100213989A1
公开(公告)日：2010-08-26
申请号：US12681515
申请日：2008-09-03
申请人： Hiroshi Nakatake , Masaru Fuku , Tatsuya Okuda , Yoshikazu Tsunoda
发明人： Hiroshi Nakatake , Masaru Fuku , Tatsuya Okuda , Yoshikazu Tsunoda
IPC分类号： H03K3/353
CPC分类号： H02M1/08 , H03K17/0406 , H03K17/0412 , H03K17/162 , H03K2217/0036
摘要： To obtain a gate driving circuit in which rising of a constant current of a constant current circuit is fast and power saving is achieved, the gate driving circuit includes: a constant current driving circuit (28) for supplying a constant current; a gate terminal of a power semiconductor element (1), which is connected to an output terminal of the constant current driving circuit; a comparator (22) for comparing a voltage at the gate terminal with a predetermined voltage value and outputting a signal indicating that the voltage is higher than the predetermined voltage value; and a driving control section (20) for increasing a current from the constant current driving circuit in response to a signal for turning on the power semiconductor element, and reducing the current from the constant current driving circuit in response to the signal from the comparator.
摘要翻译：为了获得恒定电流电路的恒定电流的上升快速并且实现功率节省的栅极驱动电路，栅极驱动电路包括：用于提供恒定电流的恒定电流驱动电路（28）; 功率半导体元件（1）的栅极端子，连接到恒流驱动电路的输出端子; 比较器（22），用于将栅极端子处的电压与预定电压值进行比较，并输出表示电压高于预定电压值的信号; 以及用于响应于用于接通功率半导体元件的信号而增加来自恒定电流驱动电路的电流并且响应于来自比较器的信号而减小来自恒定电流驱动电路的电流的驱动控制部分（20）。

5. 发明申请

US20110181250A1 POWER SUPPLY APPARATUS 有权
标题翻译：电源设备
公开(公告)号：US20110181250A1
公开(公告)日：2011-07-28
申请号：US13003841
申请日：2009-07-15
申请人： Takahiro Urakabe , Tatsuya Okuda , Akihiko Iwata , Hirotoshi Maekawa , Masaru Kobayashi , Matahiko Ikeda , Yoshikazu Tsunoda , Kazutoshi Kaneyuki , Yuya Tanaka
发明人： Takahiro Urakabe , Tatsuya Okuda , Akihiko Iwata , Hirotoshi Maekawa , Masaru Kobayashi , Matahiko Ikeda , Yoshikazu Tsunoda , Kazutoshi Kaneyuki , Yuya Tanaka
IPC分类号： H02P9/14
CPC分类号： H02M3/158 , H02J7/1492 , H02P9/48 , H02P2101/45 , H02P2201/07 , Y02T10/92
摘要： A power supply apparatus includes: an AC generator including an AC generating section, and a rectifier for rectifying an AC voltage generated in the AC generating section, and outputting a DC voltage; and a DC/DC converter for converting the output voltage of the rectifier into a DC voltage having a different voltage value, wherein the output voltage of the rectifier is set to be larger than the output voltage of the DC/DC converter in accordance with the rotation speed of the AC generating section and the amount of power supply to an electrical load connected to the DC/DC converter, and is stepped down and outputted by using the DC/DC converter. The power supply apparatus is capable of increasing an output power efficiently.
摘要翻译：一种电源装置，包括：交流发电机，包括交流发电部分和整流器，用于整流在所述交流发电部分中产生的交流电压，并输出直流电压; 以及用于将整流器的输出电压转换为具有不同电压值的直流电压的DC / DC转换器，其中整流器的输出电压被设定为大于根据所述DC / DC转换器的输出电压交流发电部的转速和连接到DC / DC转换器的电负载的供电量，通过使用DC / DC转换器进行降压输出。电源装置能够有效地提高输出功率。

6. 发明授权

US07407025B2 Power unit for automobile 失效
标题翻译：汽车动力单元
公开(公告)号：US07407025B2
公开(公告)日：2008-08-05
申请号：US10538653
申请日：2003-09-18
申请人： Takahiro Urakabe , Tatsuya Okuda , Yoshikazu Tsunoda
发明人： Takahiro Urakabe , Tatsuya Okuda , Yoshikazu Tsunoda
IPC分类号： B60L8/00
CPC分类号： F02N11/04 , F02N11/0866 , F02N11/10 , F02N2011/0888 , H02J7/345
摘要： This invention provides a power unit for an automobile including a motor 6 for starting an engine by transmitting a power thereto and generating a power by receiving a power from the engine during rotation thereof, a power converting circuit 5 for transmitting a power to the motor 6, a battery 1, an energy storing source 20 for storing energy, and a DC/DC converter including at least two switching elements 10, 11, charging the energy storing source 20, and recovering energy in the energy storing source 20 to the battery 1. Since the switch provided in the DC/DC converter is normally turned on when the motor 6 generates power by receiving a power from the engine and charges the battery 1 through the power converting circuit 5 and the DC/DC converter, generation of heat from the DC/DC converter circuit part can be suppressed greatly.
摘要翻译：本发明提供了一种用于汽车的动力单元，其包括：马达6，用于通过向其发送动力来起动发动机，并通过在其旋转期间从发动机接收动力产生动力;功率转换电路5，用于向马达6发送动力电池1，用于存储能量的能量存储源20以及包括至少两个开关元件10,11的DC / DC转换器，对能量存储源20充电，并且将能量存储源20中的能量回收到电池1 。由于当电动机6通过从发动机接收电力并且通过电力转换电路5和DC / DC转换器对电池1充电来产生电力时，DC / DC转换器中提供的开关通常被接通，所以从 DC / DC转换器电路部分可以大大抑制。

7. 发明授权

US08541989B2 Power supply apparatus 有权
标题翻译：电源设备
公开(公告)号：US08541989B2
公开(公告)日：2013-09-24
申请号：US13003841
申请日：2009-07-15
申请人： Takahiro Urakabe , Tatsuya Okuda , Akihiko Iwata , Hirotoshi Maekawa , Masaru Kobayashi , Matahiko Ikeda , Yoshikazu Tsunoda , Kazutoshi Kaneyuki , Yuya Tanaka
发明人： Takahiro Urakabe , Tatsuya Okuda , Akihiko Iwata , Hirotoshi Maekawa , Masaru Kobayashi , Matahiko Ikeda , Yoshikazu Tsunoda , Kazutoshi Kaneyuki , Yuya Tanaka
IPC分类号： H02P11/00 , H02P9/00 , H02H7/06 , H02P9/14 , H02M5/45
CPC分类号： H02M3/158 , H02J7/1492 , H02P9/48 , H02P2101/45 , H02P2201/07 , Y02T10/92
摘要： A power supply apparatus includes: an AC generator including an AC generating section, and a rectifier for rectifying an AC voltage generated in the AC generating section, and outputting a DC voltage; and a DC/DC converter for converting the output voltage of the rectifier into a DC voltage having a different voltage value, wherein the output voltage of the rectifier is set to be larger than the output voltage of the DC/DC converter in accordance with the rotation speed of the AC generating section and the amount of power supply to an electrical load connected to the DC/DC converter, and is stepped down and outputted by using the DC/DC converter. The power supply apparatus is capable of increasing an output power efficiently.
摘要翻译：一种电源装置，包括：交流发电机，包括交流发电部分和整流器，用于整流在所述交流发电部分中产生的交流电压，并输出直流电压; 以及用于将整流器的输出电压转换为具有不同电压值的直流电压的DC / DC转换器，其中整流器的输出电压被设定为大于根据所述DC / DC转换器的输出电压交流发电部的转速和连接到DC / DC转换器的电负载的供电量，通过使用DC / DC转换器进行降压输出。电源装置能够有效地提高输出功率。

8. 发明申请

US20060048983A1 Power unit for automobile 失效
标题翻译：汽车动力单元
公开(公告)号：US20060048983A1
公开(公告)日：2006-03-09
申请号：US10538653
申请日：2003-09-18
申请人： Takahiro Urakabe , Tatsuya Okuda , Yoshikazu Tsunoda
发明人： Takahiro Urakabe , Tatsuya Okuda , Yoshikazu Tsunoda
IPC分类号： B60L8/00
CPC分类号： F02N11/04 , F02N11/0866 , F02N11/10 , F02N2011/0888 , H02J7/345
摘要： This invention provides a power unit for an automobile including a motor 6 for starting an engine by transmitting a power thereto and generating a power by receiving a power from the engine during rotation thereof, a power converting circuit 5 for transmitting a power to the motor 6, a battery 1, an energy storing source 20 for storing energy, and a DC/DC converter including at least two switching elements 10, 11, charging the energy storing source 20, and recovering energy in the energy storing source 20 to the battery 1. Since the switch provided in the DC/DC converter is normally turned on when the motor 6 generates power by receiving a power from the engine and charges the battery 1 through the power converting circuit 5 and the DC/DC converter, generation of heat from the DC/DC converter circuit part can be suppressed greatly.
摘要翻译：本发明提供了一种用于汽车的动力单元，其包括：马达6，用于通过向其发送动力来起动发动机，并通过在其旋转期间从发动机接收动力产生动力;功率转换电路5，用于向马达6发送动力电池1，用于存储能量的能量存储源20以及包括至少两个开关元件10,11的DC / DC转换器，对能量存储源20充电，并且将能量存储源20中的能量回收到电池1 由于电动机6通过从发动机接收电力并且通过功率转换电路5和DC / DC转换器对电池1充电来产生电力，因此在DC / DC转换器中提供的开关通常被接通，可以大大抑制DC / DC转换器电路部分。

9. 发明申请

US20130119961A1 DC/DC CONVERTER 有权
标题翻译： DC / DC转换器
公开(公告)号：US20130119961A1
公开(公告)日：2013-05-16
申请号：US13811505
申请日：2011-07-27
申请人： Tatsuya Okuda , Takahiro Urakabe , Masaru Kobayashi , Matahiko Ikeda , Hirotoshi Maekawa
发明人： Tatsuya Okuda , Takahiro Urakabe , Masaru Kobayashi , Matahiko Ikeda , Hirotoshi Maekawa
IPC分类号： G05F5/00
CPC分类号： G05F5/00 , H02M1/32 , H02M3/158 , H02M3/1588 , Y02B70/1466
摘要： In a DC/DC converter, a first operation section calculates a first operation value, based on a difference voltage between an instruction value for a high-voltage-side voltage and a detected value of a high-voltage-side voltage, a second operation section calculates a second operation value, based on a difference voltage between a voltage instruction value for a charge-discharge capacitor and a voltage detected value of the charge-discharge capacitor, and a switching control section obtains a conduction ratio, based on the first operation value and the second operation value, and controls, based on the conduction ratio, switching operations of first to fourth semiconductor circuits, thereby controlling the high-voltage-side voltage, and the voltage of the charge-discharge capacitor.
摘要翻译：在DC / DC转换器中，第一运算部根据高电压侧电压的指示值与高压侧电压的检测值之间的差分电压，计算第一运算值，第二运算基于充放电电容器的电压指令值和充放电电容器的电压检测值之间的差分电压来计算第二操作值，并且开关控制部分基于第一操作获得导通比值和第二操作值，并且基于导通比控制第一至第四半导体电路的开关操作，从而控制高压侧电压和充放电电容器的电压。

10. 发明申请

US20120120694A1 POWER CONDITIONER FOR PHOTOVOLTAIC POWER GENERATION 有权
标题翻译：用于光伏发电的功率调节器
公开(公告)号：US20120120694A1
公开(公告)日：2012-05-17
申请号：US13386710
申请日：2010-07-14
申请人： Taichiro Tsuchiya , Akihiko Iwata , Tomoyuki Kawakami , Tatsuya Okuda
发明人： Taichiro Tsuchiya , Akihiko Iwata , Tomoyuki Kawakami , Tatsuya Okuda
IPC分类号： H02M7/537
CPC分类号： H01L31/02021 , H02J3/383 , Y02E10/563
摘要： Power generated by a solar battery of thin-film type is stepped up to a predetermined DC voltage by a step-up chopper circuit, and the predetermined DC voltage is converted into three-phase AC power by an inverter circuit, and the three-phase AC power is supplied to an AC power supply system via an output DC voltage circuit. The solar battery is not grounded, and a negative electrode thereof has a floating capacitance between the negative electrode and the ground. The AC power supply system is configured by three-phase star-connection, and the neutral point is grounded. The output DC voltage circuit includes three batteries, and the batteries are provided, for the respective phases, between the AC power supply system and a sine wave filter connected to the AC output side of the inverter circuit. Therefore, it is possible to prevent acceleration of the deterioration of the solar battery.
摘要翻译：由薄膜型太阳能电池产生的电力通过升压斩波电路被升压到预定的直流电压，并且通过逆变器电路将预定的直流电压转换为三相交流电力，并且三相交流电源通过输出直流电压电路提供给交流电源系统。太阳能电池不接地，其负极在负极和地之间具有浮动电容。交流电源系统由三相星形连接构成，中性点接地。输出直流电压电路包括三个电池，并且在各个相位之间，在AC电源系统和连接到逆变器电路的AC输出侧的正弦波滤波器之间提供电池。因此，能够防止太阳能电池的劣化的加速。

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