ZHANG Xu-li, CHEN Zheng-feng, ZHU Long-ji. Early-warning System of Belt Conveyor Based on Explosion-proof and Intrinsic Safety PLC[J]. Journal of Mine Automation, 2012, 38(4): 88-91.
Citation: ZHANG Xu-li, CHEN Zheng-feng, ZHU Long-ji. Early-warning System of Belt Conveyor Based on Explosion-proof and Intrinsic Safety PLC[J]. Journal of Mine Automation, 2012, 38(4): 88-91.

Early-warning System of Belt Conveyor Based on Explosion-proof and Intrinsic Safety PLC

  • In order to solve problems of poor reliability and lacking of visual and effective early-warning signal of traditional fault protection system of belt conveyor in coal mine, the paper proposed a design scheme of underground early-warning system of belt conveyor. The system adopts technologies of explosion-proof and intrinsic safety PLC and industrial field bus and realizes functions of linkage control of multi belt conveyors, fault monitoring and early-warning in forms of words and sound. The application result showed that the system is stable in running and strong in reliability, which improves efficiency of fault early-warning and treatment of belt conveyor.
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