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    • 84. 发明授权
    • Control apparatus for gas sensor
    • 气体传感器控制装置
    • US08720186B2
    • 2014-05-13
    • US13305285
    • 2011-11-28
    • Seiji Maeda
    • Seiji Maeda
    • F01N3/00
    • G01N27/4065F02D41/1454F02D41/1495G01N27/4175
    • A control apparatus (100) for a gas sensor (10) which includes a cell (2) composed of a solid electrolyte body and a pair of electrodes provided thereon. The control apparatus includes voltage application means (70) for applying a single pulse voltage to the cell over a constant energization time T; first-output-value obtaining means 70 for obtaining a first output value Vri1 from the cell when a first time t1 shorter than the constant energization time has elapsed; second-output-value obtaining means (70) for obtaining a second output value Vri2 from the cell when a second time t2 shorter than the constant energization time but longer than the first time has elapsed; and deterioration-degree detection means 70 for detecting the degree of deterioration of the cell on the basis of a difference ΔVri between the second output value and the first output value.
    • 一种用于气体传感器(10)的控制装置(100),其包括由固体电解质体和设置在其上的一对电极组成的电池(2)。 控制装置包括用于在恒定的通电时间T下向单元施加单脉冲电压的电压施加装置(70) 第一输出值获取装置70,用于当经过比恒定通电时间短的第一时间t1时,从单元获得第一输出值Vri1; 第二输出值获取装置,用于当第二时间t2短于恒定通电时间但长于第一时间时,从单元获得第二输出值Vri2; 以及劣化度检测装置70,用于基于第二输出值和第一输出值之间的差Dgr; Vri检测单元的劣化程度。