Temperature is an important factor affecting the mining safety.The gas in the mine is prone to explosion if there is an open fire,which is directly related to the life,health and safety of the underground coal miners.Therefore,it is necessary to monitor the environmental temperature in the mines.The commonly used temperature thermometers are mainly divided into infrared thermometer,electronic thermometer and the newly optical fiber thermometer.In the mine,due to the need of mining,the equipment type is complex and diverse,and various electromagnetic signals will produce strong electromagnetic interference.The underground ventilation is limited,water vapor is very wet,and some metal instruments are easy to be rusty and corroded.The optical fiber thermometer has excellent anti-interference,corrosion resistance,sensitive response and other characteristics,which has a good application prospect in the mine.
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