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    • 1. 发明授权
    • Ground fault detection device
    • 接地故障检测装置
    • US06992490B2
    • 2006-01-31
    • US10831829
    • 2004-04-26
    • Yoshikazu NomotoTakafumi TsurumiToshiaki AriyoshiMitsuteru Yano
    • Yoshikazu NomotoTakafumi TsurumiToshiaki AriyoshiMitsuteru Yano
    • G01R31/02
    • B60L3/0023B60L3/0069G01R31/024G01R31/36
    • A control section sets a positive side switching element of a positive side detection section and a negative side switching element of a negative side detection section to ON, thus outputting an ON signal. When the switching elements are set ON, a predetermined current outputted from a positive side constant current source and a negative side constant current source, or a portion of this current, flows through detection resistors. A ground fault decision section decides whether a ground fault has occurred in the positive or the negative side of a direct current power source, based upon the value of an output voltage detected by a positive side voltage detector, or upon the value of an output voltage detected by a negative side voltage detector. Ground faults are accurately detected with a simple structure.
    • 控制部将正侧检测部的正侧开关元件和负侧检测部的负侧开关元件设定为ON,从而输出ON信号。 当开关元件设置为ON时,从正侧恒流源和负侧恒流源输出的预定电流或该电流的一部分流过检测电阻器。 接地故障判定部基于正侧电压检测器检测到的输出电压的值,或根据输出电压的值来判定直流电源的正极侧或负极侧是否发生接地故障 由负侧电压检测器检测。 以简单的结构准确地检测到接地故障。
    • 8. 发明授权
    • Fuel cell stacking body
    • 燃料电池堆叠体
    • US06844093B2
    • 2005-01-18
    • US10256457
    • 2002-09-26
    • Hideaki KikuchiMasahiko SatoToshiaki AriyoshiYosuke FujiiDaisuke Wachi
    • Hideaki KikuchiMasahiko SatoToshiaki AriyoshiYosuke FujiiDaisuke Wachi
    • H01M8/02H01M8/04H01M8/24
    • H01M8/02H01M8/0202H01M8/0247H01M8/04552H01M8/241H01M8/2465H01M8/2483
    • There is provided a fuel cell stacking body that allows a connector unit to be used even when the thickness of the fuel cells has been made thinner. A fuel cell stacking body is provided with stacked fuel cells that each have a membrane electrode assembly and separators that sandwich this membrane electrode assembly. The fuel cells generate electricity when fuel gas and oxidizer gas are supplied. The separators of the fuel cells are provided with terminals that enable voltage to be measured by being connected to connectors that are connected an external voltage measuring apparatus. One of the voltage measuring sections is formed at a different position, with respect to the stacking direction, from the voltage measuring section that is adjacent in the stacking direction. The spacing between terminals that are at the same position with respect to the stacking direction is kept at a distance that allows a connector unit formed by grouping together a plurality of connectors to be inserted.
    • 提供了一种即使当燃料电池的厚度变薄时也能够使用连接器单元的燃料电池堆叠体。 燃料电池堆叠体设置有堆叠的燃料电池,每个燃料电池具有膜电极组件和夹持该膜电极组件的隔板。 当供应燃气和氧化剂气体时,燃料电池发电。 燃料电池的分离器设置有端子,其能够通过连接到连接有外部电压测量装置的连接器来测量电压。 其中一个电压测量部分形成在相对于堆叠方向的不同位置处,与层叠方向相邻的电压测量部分形成。 在相对于堆叠方向处于相同位置的端子之间的间隔保持在允许通过将多个连接器分组在一起形成的连接器单元被插入的距离。