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    • 123. 发明申请
    • Gas detection apparatus and method for controlling gas sensor
    • 气体检测装置及气体传感器控制方法
    • US20060113198A1
    • 2006-06-01
    • US11281772
    • 2005-11-17
    • Takashi SasakiHidetoshi OishiTakashi SaitoAkihiro Suzuki
    • Takashi SasakiHidetoshi OishiTakashi SaitoAkihiro Suzuki
    • G01N27/26G01F1/64
    • G01N33/007G01N33/0031
    • A first gas sensing element is provided in a first position to measure a concentration of a gas continuously, and a second sensing element is provided in a second position to measure the concentration of the gas intermittently. The second position is in close proximity to the first position. A deterioration determination unit is connected with the first and second sensing elements to make a determination as to whether the first sensing element becomes deteriorated, by comparing output values from the first and second sensing elements. A power controller is configured to supply the second sensing element with electric power throughout waiting periods during which the second sensing element stops measuring the concentration of the gas, and an amount of the electric power supplied throughout waiting periods is smaller than that supplied throughout operating periods during which the second sensing element continuously measures the concentration of the gas.
    • 第一气体感测元件设置在第一位置以连续地测量气体的浓度,并且第二感测元件设置在第二位置以间歇地测量气体的浓度。 第二个位置靠近第一个位置。 劣化判定单元通过比较来自第一和第二感测元件的输出值,与第一和第二感测元件连接以确定第一感测元件是否变差。 功率控制器被配置为在第二感测元件停止测量气体浓度的整个等待时段期间向第二感测元件提供电力,并且在整个等待时段期间提供的电力的量小于在整个操作周期中提供的电力量 在此期间第二感测元件连续地测量气体的浓度。