Design of Mine-used Electrochemistry CO Sensor
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摘要: 分析阐述了电化学CO传感元件的结构、反应机理及工作原理,提出了一种矿用电化学CO传感器的设计方案,重点介绍了该传感器主要电路的设计。该传感器传感元件采用三极性设计,具有灵敏度高、线性度好等优点,特别是在CO气体体积分数较低时,该传感器也能保持很高的测量精度,完全满足煤矿井下现场特殊环境使用的要求。Abstract: The paper analyzed structure, reaction mechanism and working principle of electrochemistry CO sensing element, put forward a design scheme of mine-used electrochemistry CO sensor, and introduced design of main circuits of the sensor. The sensing element of the sensor is designed with three-electrode mode, so the sensor has advantages of high sensitivity and good linearity. And the sensor can retain high measurement accuracy when CO's volume fraction is low, which satisfies requirement of coal mine usage.
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