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《Industry and Mine Automation》 2015-07
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Realization method of gas abnormity alarm of safety monitoring system

GUO Jiangtao;YANG Juan;State Key Laboratory of Gas Disaster Monitoring and Emergency Technology;CCTEG Chongqing Research Institute;  
A gas abnormity alarm method was proposed which used monitoring data of safety monitoring system,and new distribution ideas of methane sensor and air direction sensor for gas abnormity alarm were proposed. When monitoring value of the methane sensors suddenly changes which are distributed in working face,upper corner or back airflow,corresponding judgment logic relations are set for judging gas abnormity and alarming according to installation position of the sensors.When reverse airflow appears in air direction sensor in intake air roadway,the judgment logic relations are taken for judging gasabnormity and alarming.The application shows that the method can judge gas abnormity quickly.
【Fund】: 工信部2014年物联网发展专项资金资助项目(114001114)
【CateGory Index】: TD712.55
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