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    • 7. 发明申请
    • Amperometric Oxygen Sensor
    • 电流传感器
    • US20120073970A1
    • 2012-03-29
    • US13160674
    • 2011-06-15
    • Sea-Fue WangAnthony LeeWen-Shuo Hsieh
    • Sea-Fue WangAnthony LeeWen-Shuo Hsieh
    • G01N27/333
    • G01N27/333
    • An amperometric oxygen sensor for sensing the partial pressure of oxygen is disclosed. The amperometric oxygen sensor having a multilayered body which comprises a plurality of oxygen ion conductor layers interposed between a plurality of oxygen-porous electrode layers. Oxygen from a sample gas enters porous cathode layer of the sensor, through the ion conductor diffuses to anode because of a potential difference, and then an amperometric current is measured, which is proportional to the partial pressure of the oxygen. The amperometric oxygen sensor further comprises a heating member embedded within the sensor body and a heating controller electrically connects with the heating member to heat and maintain the sensor at working temperature, about 500˜800° C. An electrical insulator layer, but not thermal insulator, is blocked between the heating member and the oxygen-porous electrode strips so as to prevent the amperometric current from electromagnetic field interference.
    • 公开了一种用于感测氧分压的电流式氧传感器。 具有多层体的电流式氧传感器包括插入在多个氧气孔电极层之间的多个氧离子导体层。 来自样品气体的氧气进入传感器的多孔阴极层,由于电位差而通过离子导体扩散到阳极,然后测量与氧的分压成比例的电流电流。 电流式氧传感器还包括嵌入在传感器体内的加热构件,加热控制器与加热构件电连接,以将传感器加热并保持在约500〜800℃的工作温度。电绝缘体层,但不是绝热体 在加热构件和氧气孔电极带之间被阻塞,以防止电流电流受到电磁干扰。