载体催化元件变流检测矿井瓦斯

Variable Current Detection of Mine Methane Using Catalytic Sensor

基于催化元件检测瓦斯的基本工作原理,提出了一种新的矿井瓦斯检测方法—变流检测法,设计出了相应的检测电路。通过性能试验得出,该检测系统具有检测范围大,稳定性好,响应速度快,抗激活和传感元件使用寿命长等显著优点。

Based on fundamental principle of detecting methane by using catalytic sensor, A new kind of detection method of mine methane by using of a variable current detector is presented, and the detector circuit is designed. Through the performance test it got out, this testing system has advantages of large measuring range, stability, fast response, activation resistance and long life for its sensor.