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Research on Mine Fan Speed Control System Based on the PLC control network
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作者 Xiantao SHI 《International Journal of Technology Management》 2015年第2期12-14,共3页
This paper designs a set of ventilation and dust removal in coal mine test device and PLC monitoring system. The ventilation and dust removal test device has a set of ventilation and dust removal functions, can automa... This paper designs a set of ventilation and dust removal in coal mine test device and PLC monitoring system. The ventilation and dust removal test device has a set of ventilation and dust removal functions, can automatically monitor air volume, air pressure, resistance and other performance parameters of ventilator and precipitator. The PLC monitoring system can remotely start and stop the variable frequency speed control on the ventilation machine and dust collector, and it can real-time monitor operation state, such as the running current and the parameters of ventilator and dust collector. The paper simulate and realize computer remote centralized monitoring of underground ventilation for mine ventilation system. The actual application shows that: the system is stable and reliable, simple operation, strong scalability. 展开更多
关键词 Mine ventilation Dust collector Remote monitoring Frequency control PLC
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几种数字监控方案的对比
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《A&S(安防工程商)》 2004年第3期116-119,共4页
在安防监控中,逐渐呈现出数字化的趋势,本文就常见的两大类数字监控方案做了对比介绍,分析了它们的优缺点,以及适用范围。
关键词 数字监控 安防监控 数字化 网络摄像机 A/D转换 图像压缩 网络上传 硬盘录像机 “软组网” 点播方式 “集中监控” “软硬组网” 数模结合
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