毕业论文（设计）煤矿井下排水泵节能与控制系统的设计.docxVIP

PAGE \* MERGEFORMAT 3 PAGE \* MERGEFORMAT 3 PAGE \* MERGEFORMAT 2 PAGE \* MERGEFORMAT 2 摘 要 排水设备是煤矿生产中必不可少的大型固定设备。一个完整的井下排水系统最核心的部分是对水泵的控制，充分考虑周围环境的积水，根据水位的变化控制水泵的启停时间，启停台数，从而达到节能的目的。 本次设计运用了自动控制系统与矿井排水系统的结合，以西门子S7-200系列PLC作为控制中心，并扩展了必要的CPU模块一个，数字量输入/输出模块两个，模拟量输入模块五个。 本文采用了自动控制和手动控制两种控制模式，能够根据不同情况选择控制方式。自动模式下，实时测量水仓的水位变化，根据水位的高低和水位变化的速度，并充分考虑“避峰就谷”的原则，自动控制开启水泵的时间和台数，保证安全可靠的基础上，尽可能降低电力消耗成本，节约能量，从而实现经济高效的煤矿生产。 关键词：井下排水系统； PLC； 自动控制；节能 PAGE \* MERGEFORMAT 1 PAGE \* MERGEFORMAT 1 PAGE \* MERGEFORMAT PAGE \* MERGEFORMAT 2 ABSTRACT Drainage equipment is essential for coal production and large fixed equipment. A complete underground drainage system is the core part is the pump control, give full consideration to water environment, according to the changes in the water level control of water pump of start stop time, start and stop units, so as to achieve energy-saving purpose. This design using combination and automatic control system of mine drainage system, takes the Siemens S7-200 series PLC as the control center, and expanded the necessary CPU module a, digital input / output module two. Simulation input module five. This paper adopts two control modes, automatic control and manual control, and can choose the control mode according to different circumstances.. Automatic mode, real-time measurements of water tank water level changes, according to the speed of the height of the water level and water level changes, and give full consideration to the peak averting Valley of the principle of automatic control opening time and the volume of the pump, to ensure the safe and reliable basis, as far as possible reduce the power consumption of the, energy saving, so as to realize the economic efficiency of coal mine production. Keywords: downhole drainage system; PLC; automatic control; energy saving 目录 TOC \o 1-3 \u 1绪论 PAGEREF _Toc2329 1 1.1引言 PAGEREF _Toc23968 1 1.2 本课题的意义和目的 PAGEREF _Toc25864 1 1.3 本设计主要研究的内容 PAGEREF _Toc903 1 1.4小结 PAGEREF _