会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • Power Converter
    • 电源转换器
    • US20140092655A1
    • 2014-04-03
    • US13885934
    • 2010-12-07
    • Hiroaki IgarashiSatoru ShigetaTakashi Ogura
    • Hiroaki IgarashiSatoru ShigetaTakashi Ogura
    • H02H7/122
    • H02H7/122B60L3/003B60L11/1803B60L15/007H02M1/32H02M2001/327H02P27/08Y02T10/644Y02T10/645Y02T10/70Y02T10/7005
    • A power converter includes an inverter unit that includes a plurality of semiconductor switching elements constituting upper and lower arms and converts DC power into AC power; a gate driving unit that outputs, to the inverter unit, a gate signal used to drive gates of the plurality of semiconductor switching elements; a driving control unit that supplies the gate driving unit with a switching control signal used for the gate driving unit to output the gate signal; a first abnormality detection unit that performs over voltage detection of the DC power and over current detection of the AC power and temperature detection of the upper and lower arms; and a second abnormality detection unit that detects abnormality of the plurality of semiconductor switching elements of the upper arm and lower arms, wherein the driving control unit includes a first protection circuit and a second protection circuit.
    • 电力转换器包括逆变器单元,其包括构成上臂和下臂的多个半导体开关元件,并将DC电力转换成AC电力; 栅极驱动单元,向所述逆变器单元输出用于驱动所述多个半导体开关元件的栅极的栅极信号; 为栅极驱动单元提供用于栅极驱动单元的开关控制信号以输出栅极信号的驱动控制单元; 第一异常检测单元,执行直流电力的过电压检测和上下臂的AC电力和温度检测的过电流检测; 以及第二异常检测单元,其检测上臂和下臂的多个半导体开关元件的异常,其中所述驱动控制单元包括第一保护电路和第二保护电路。
    • 2. 发明授权
    • Power conversion device
    • 电源转换装置
    • US08605471B2
    • 2013-12-10
    • US13160724
    • 2011-06-15
    • Takashi OguraSatoru ShigetaHiroaki IgarashiKoichi OnoYasuo Noto
    • Takashi OguraSatoru ShigetaHiroaki IgarashiKoichi OnoYasuo Noto
    • H02H7/122H02M7/5387
    • H02M7/5387H02M1/32
    • A power conversion device includes: an inverter that converts a DC current supplied from a DC power source to an AC current by engaging a plurality of switching elements, which constitute an upper arm, and a plurality of switching elements, which constitute a lower arm, in switching operation; a control unit that includes a signal generation unit that generates a switching signal carrying a command for execution of the switching operation in correspondence to each of the plurality of switching elements constituting the upper arm and the plurality of switching elements constituting the lower arm, and outputs the switching signal thus generated as a control signal; and a drive unit that individually drives each of the switching elements based upon the corresponding control signals. The control unit includes a plurality of protection circuits disposed in series on a control signal line extending between the signal generation unit and the drive unit, with each of the protection circuits outputting a control signal having been input thereto when a protective operation is not executed but outputting a control signal for setting the corresponding switching element either in a cut-off state or in an electrically continuous state in place of the control signal input thereto when the protective operation is executed.
    • 电力转换装置包括:逆变器,其通过接合构成上臂的多个开关元件和构成下臂的多个开关元件来将从直流电源提供的直流电流转换为交流电流, 切换操作; 控制单元,其包括信号生成单元,该信号生成单元生成与构成上臂的多个开关元件和构成下臂的多个开关元件中的每一个对应地执行切换操作的指令的切换信号,并且输出 由此产生作为控制信号的切换信号; 以及驱动单元,其基于相应的控制信号独立地驱动每个开关元件。 控制单元包括多个保护电路,串联布置在信号发生单元和驱动单元之间延伸的控制信号线上,当不执行保护操作时,每个保护电路输出已输入的控制信号, 当执行保护操作时,输出用于将相应的开关元件设置在截止状态或电连续状态中的控制信号,以代替输入到其的控制信号。
    • 5. 发明申请
    • Power Conversion Device
    • 电源转换装置
    • US20110310644A1
    • 2011-12-22
    • US13160724
    • 2011-06-15
    • Takashi OGURASatoru ShigetaHiroaki IgarashiKoichi OnoYasuo Noto
    • Takashi OGURASatoru ShigetaHiroaki IgarashiKoichi OnoYasuo Noto
    • H02H7/122
    • H02M7/5387H02M1/32
    • A power conversion device includes: an inverter that converts a DC current supplied from a DC power source to an AC current by engaging a plurality of switching elements, which constitute an upper arm, and a plurality of switching elements, which constitute a lower arm, in switching operation; a control unit that includes a signal generation unit that generates a switching signal carrying a command for execution of the switching operation in correspondence to each of the plurality of switching elements constituting the upper arm and the plurality of switching elements constituting the lower arm, and outputs the switching signal thus generated as a control signal; and a drive unit that individually drives each of the switching elements based upon the corresponding control signals. The control unit includes a plurality of protection circuits disposed in series on a control signal line extending between the signal generation unit and the drive unit, with each of the protection circuits outputting a control signal having been input thereto when a protective operation is not executed but outputting a control signal for setting the corresponding switching element either in a cut-off state or in an electrically continuous state in place of the control signal input thereto when the protective operation is executed.
    • 电力转换装置包括:逆变器,其通过接合构成上臂的多个开关元件和构成下臂的多个开关元件来将从直流电源提供的直流电流转换为交流电流, 切换操作; 控制单元,其包括信号生成单元,该信号生成单元生成与构成上臂的多个开关元件和构成下臂的多个开关元件中的每一个对应地执行切换操作的指令的切换信号,并且输出 由此产生作为控制信号的切换信号; 以及驱动单元,其基于相应的控制信号独立地驱动每个开关元件。 控制单元包括多个保护电路,串联布置在信号发生单元和驱动单元之间延伸的控制信号线上,当不执行保护操作时,每个保护电路输出已输入的控制信号, 当执行保护操作时,输出用于将相应的开关元件设置在截止状态或电连续状态中的控制信号,以代替输入到其的控制信号。
    • 7. 发明授权
    • Power converter
    • 电源转换器
    • US08976551B2
    • 2015-03-10
    • US13885934
    • 2010-12-07
    • Hiroaki IgarashiSatoru ShigetaTakashi Ogura
    • Hiroaki IgarashiSatoru ShigetaTakashi Ogura
    • H02M1/32H02H7/122B60L3/00H02P27/08B60L11/18B60L15/00H02M7/53846
    • H02H7/122B60L3/003B60L11/1803B60L15/007H02M1/32H02M2001/327H02P27/08Y02T10/644Y02T10/645Y02T10/70Y02T10/7005
    • A power converter includes an inverter unit that includes a plurality of semiconductor switching elements constituting upper and lower arms and converts DC power into AC power; a gate driving unit that outputs, to the inverter unit, a gate signal used to drive gates of the plurality of semiconductor switching elements; a driving control unit that supplies the gate driving unit with a switching control signal used for the gate driving unit to output the gate signal; a first abnormality detection unit that performs over voltage detection of the DC power and over current detection of the AC power and temperature detection of the upper and lower arms; and a second abnormality detection unit that detects abnormality of the plurality of semiconductor switching elements of the upper arm and lower arms, wherein the driving control unit includes a first protection circuit and a second protection circuit.
    • 电力转换器包括逆变器单元,其包括构成上臂和下臂的多个半导体开关元件,并将DC电力转换成AC电力; 栅极驱动单元,向所述逆变器单元输出用于驱动所述多个半导体开关元件的栅极的栅极信号; 为栅极驱动单元提供用于栅极驱动单元的开关控制信号以输出栅极信号的驱动控制单元; 第一异常检测单元,执行直流电力的过电压检测和上下臂的AC电力和温度检测的过电流检测; 以及第二异常检测单元,其检测上臂和下臂的多个半导体开关元件的异常,其中所述驱动控制单元包括第一保护电路和第二保护电路。