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
    • 54. 发明申请
    • Electric Power Conversion System
    • 电力转换系统
    • US20120020136A1
    • 2012-01-26
    • US13201139
    • 2010-02-19
    • Yoshio AkaishiYasuo NotoKoichi YahataSeiji FunabaMasashge Tsuji
    • Yoshio AkaishiYasuo NotoKoichi YahataSeiji FunabaMasashge Tsuji
    • H02M7/48
    • H02M7/48B60L11/1851H02M2001/322Y02T10/7005Y02T10/705
    • 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.
    • 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。
    • 57. 发明授权
    • Power supply circuit and power conversion device
    • 电源电路和电源转换装置
    • US08456866B2
    • 2013-06-04
    • US13213239
    • 2011-08-19
    • Seiji FunabaYasuo NotoMasashige Tsuji
    • Seiji FunabaYasuo NotoMasashige Tsuji
    • H02M3/335
    • H02M1/08H02M3/335H02M7/5387H02M2001/0006H02M2001/0025H03K17/04123
    • A power conversion device includes an inverter circuit converting DC power into AC power and including switching devices constituting upper and lower arms, a control circuit controlling the switching devices, a drive circuit driving the switching devices by a signal from the control circuit, and an insulated power supply circuit supplying power to the drive circuit. The control circuit controls a power supply voltage to be outputted from the power supply circuit to the drive circuit. The drive circuit drives the switching devices and based on a carrier frequency and the power supply voltage. The power supply circuit includes a feedback output circuit through which the voltage outputted to the drive circuit is outputted to a power supply control IC. The feedback output circuit includes a dummy load circuit which controls the voltage to be outputted to the power supply control IC based on a change of the carrier frequency.
    • 电力转换装置包括将直流电变换为交流电的逆变器电路,包括构成上臂和下臂的开关装置,控制开关装置的控制电路,通过来自控制电路的信号驱动开关装置的驱动电路,以及绝缘 电源电路向驱动电路供电。 控制电路控制从电源电路向驱动电路输出的电源电压。 驱动电路驱动开关器件,并根据载波频率和电源电压。 电源电路包括输出到驱动电路的电压输出到电源控制IC的反馈输出电路。 反馈输出电路包括基于载波频率的变化来控制输出到电源控制IC的电压的虚拟负载电路。
    • 58. 发明申请
    • Discharge Circuit for Smoothing Capacitor of DC Power Supply
    • 直流电源平滑电容放电电路
    • US20110031939A1
    • 2011-02-10
    • US12852191
    • 2010-08-06
    • Seiji FunabaYasuo NotoMasashige Tsuji
    • Seiji FunabaYasuo NotoMasashige Tsuji
    • H02J7/00
    • H02J7/0031B60K6/445H02J7/0077H02J7/045H02J7/047H02J9/002H02M1/36H02M2001/322Y02T10/6239
    • A discharge circuit for a DC power supply smoothing capacitor that is used in a power conversion device that supplies DC power via a switch to the DC power supply smoothing capacitor and an inverter, includes; a resistor that discharges charge in the capacitor; a switch connected in series with the resistor, that either passes or intercepts discharge current flowing from the capacitor to the resistor; a measurement circuit that measures a terminal voltage of the capacitor; and a control circuit that controls continuity and discontinuity of the switch; wherein the control circuit, after having made the switch continuous and starting discharge of the capacitor by the resistor, if a terminal voltage of the capacitor as measured by the measurement circuit exceeds a voltage decrease characteristic set in advance, makes the switch discontinuous and stops discharge by the resistor.
    • 包括:用于直流电源平滑电容器的放电电路,其用于通过开关向直流电源平滑电容器和逆变器提供直流电力的电力转换装置; 放电电容器中的电荷的电阻器; 与电阻器串联的开关,其通过或截止从电容器流向电阻器的放电电流; 测量电容器的端电压的测量电路; 以及控制电路,其控制开关的连续性和不连续性; 其中,所述控制电路在使所述开关连续地通过所述电阻器连续地开始所述电容器的放电之后,如果由所述测量电路测量的所述电容器的端子电压超过预先设定的电压降低特性,则使所述开关不连续并停止放电 由电阻器。
    • 59. 发明授权
    • Power converter
    • 电源转换器
    • US09209737B2
    • 2015-12-08
    • US14234497
    • 2012-07-04
    • Seiji FunabaYasuo NotoMasashige Tsuji
    • Seiji FunabaYasuo NotoMasashige Tsuji
    • H02P1/00H02P27/06H02J7/00H02M7/5387H02M1/32
    • H02P27/06H02J7/0036H02M7/5387H02M2001/322
    • A power converter includes an inverter, a contactor for connecting a battery to the inverter in order to supply DC power from the battery to the inverter and for disconnecting the battery from the inverter in order to stop an operation to supply the DC power from the battery to the inverter, a smoothing capacitor connected in parallel to the battery through the contactor, a discharge circuit that is provided with a discharge resistor and a switching device connected in series to the discharge resistor and is connected in parallel to the smoothing capacitor to discharge electric charge from the smoothing capacitor, a voltage measurement circuit, a voltage-dividing circuit for dividing the voltage across the terminals of the smoothing capacitor to generate a partial voltage to be input to the voltage measurement circuit and a control circuit of the switching device.
    • 电力转换器包括逆变器,用于将电池连接到逆变器的接触器,以便将来自电池的DC电力提供给逆变器,并且用于将电池与逆变器断开连接,以便停止从电池供应DC电力的操作 通过所述接触器与所述电池并联连接的平滑电容器,设置有放电电阻器的放电电路和与所述放电电阻器串联连接并与所述平滑电容器并联连接的放电电路, 来自平滑电容器的电荷,电压测量电路,用于分割平滑电容器的端子两端的电压的分压电路,以产生要输入到电压测量电路的部分电压和开关装置的控制电路。
    • 60. 发明申请
    • Inverter Device
    • 变频器
    • US20130051099A1
    • 2013-02-28
    • US13638287
    • 2011-03-31
    • Tetsuro TateyamaSeiji FunabaYasuo NotoKoichi YahataHiroki Shimano
    • Tetsuro TateyamaSeiji FunabaYasuo NotoKoichi YahataHiroki Shimano
    • H02M7/537
    • H02M7/5387
    • 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.
    • 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。