Research On Mine Dust Detection Mechanism And Intelligent Instrument

Dust is one of the five major disasters in coal mines.The dust hazard is reflected in inducing pneumoconiosis,causing dust explosion and shortening the life of mechanical instruments.With the improvement of mine mechanization,the problem of dust hazards is becoming increasingly prominent.In order to effectively control the dust,the accurate detection of its concentration is very necessary.The research of dust detection technology has been a hot topic in recent years.Many countries in the world have done a lot of research work on dust detection technology,and developed a series of dust detection instruments,such as dust sampler,dust meter,dust concentration sensor and so on.There is still a certain gap between the technology of dust detection and control in our country and the developed countries in foreign countries.Dust monitoring is mainly based on wired monitoring.Cable transmission mode has many disadvantages such as poor wiring,poor environmental adaptability,easy to be damaged by mechanical equipment,high cost and large maintenance workload.While the rapid development of network technology provides a new technology for dust monitoring,this paper is based on such a practical status and the research on the mechanism of dust detection at home and abroad,and the intelligent detection instrument for dust concentration is designed.The work of this paper and the research achievements are:(1)Research on the detection mechanism of mine dust sensor at home and abroad;(2)Taking the CC2530 chip as the core,the software and hardware design of thewireless sensor node and terminal node;(3)A wireless sensor network with tree structure based on ZigBee Technology,Realizing the network and communication function of ZigBee;(4)Using ARM9 as the core,designed and developed the dust data processingmodule;(6)On the basis of digestion and absorption of advanced dust monitoring technologyat home and abroad.Finally,the intelligent detection instrument for dustconcentration has been tested for many times.The experimental results show that the system achieves real-time,wireless and accurate monitoring of the temperature,humidity and dust in the coal mine,and the system is stable and reliable.The achievement of research is of certain social significance for improving the intelligence level of coal mine safety monitoring,promoting the development of coal science and technology and promoting environmental protection.