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    • 5. 发明申请
    • Method and Apparatus for Diagnosing Electrochemical Sensor
    • 电化学传感器诊断方法与装置
    • US20120274337A1
    • 2012-11-01
    • US13094374
    • 2011-04-26
    • Atsushi NonakaHisao OhnishiHidemasa NonakaToshiro NakayamaTomohiro InoueYuki Kato
    • Atsushi NonakaHisao OhnishiHidemasa NonakaToshiro NakayamaTomohiro InoueYuki Kato
    • G01R35/00
    • G01N33/007
    • A method and apparatus for diagnosing an electrochemical sensor that detects the concentration of a gas are operative for diagnosing whether or not the sensor is in an error state due to a rise in a resistance in the electrolyte of the sensor. Such detection is made on the basis of a current flowing between a sensing electrode and an opposite electrode or a voltage corresponding to the current. A method for diagnosing an electrochemical sensor having a solid or liquid electrolyte between a sensing electrode and an opposite electrode detects the concentration of the gas to be detected on the basis of a current flowing between the sensing electrode and the opposite electrode, or a voltage corresponding to the current. Whether or not the electrochemical sensor is in an error state is diagnosed on the basis of a resistance of the electrolyte between the two electrodes of the electrolyte.
    • 用于诊断检测气体浓度的电化学传感器的方法和装置可用于诊断由于传感器的电解质中电阻的上升导致传感器是否处于错误状态。 基于在感测电极和相对电极之间流动的电流或对应于电流的电压进行这种检测。 用于诊断在感测电极和相对电极之间具有固体或液体电解质的电化学传感器的方法基于在感测电极和相对电极之间流动的电流或相应的电压来检测待检测气体的浓度 到现在 基于电解质的两个电极之间的电解质的电阻来诊断电化学传感器是否处于错误状态。