基于PLC的矿井排水监控系统现场控制部分设计.doc

目录摘要·················································· 2 第一章煤矿井下排水自动控制系统的工作原理及组成···· 3 概述···················································3 工作原理···············································3 系统组成···············································3 第二章控制系统结构设计····························5 系统总体结构···········································5 2 .2 控制系统网络设计·······································5 控制系统功能设计·······································6 控制系统可靠性设计·····································6 控制系统程序设计·······································7 第三章 PLC 井下排水自动控制系统·····················9 PLC 井下排水自动控制系统技术····························9 PLC 井下排水自动控制系统分层··························· 10 影响 PLC 控制系统稳定的干扰因素························· 11 PLC 控制系统的抗干扰措施······························· 11 煤矿监测监控系统实例··································· 11 第四章结束语······································· 12 参考文献············································· 14 致谢··············································· 15 山东轻工业学院 2011 届本科生毕业设计(论文) 1 摘要井下排水系统是煤矿生产中四大系统之一,肩负着井下积水排除的重要任务, 然而,目前我国的井下排水系统仍由很多依靠传统的人工操作方式。本文介绍了一种基于 PLC 的矿井排水监控系统现场控制的部分是为了煤矿安全和正常生产而进行的各种有关参数或状态的集中监测,并对有关环节加以控制,是保护、采掘、运输、通风、排水等主要生产环节安全运行的重要设施。本文主要介绍了一种基于西门子 S7-300 PLC 的煤矿井下排水泵自动控制系统的设计方法和思路。西门子 S7-300 型 PLC 给出了煤矿井下排水系统的传感器及执行机构的配置方案、通信网络结构和系统功能设计,实现了对水泵进行自动控制,水位监测、自动启停水泵、故障自诊断等功能;同时也实现了水泵运行的合理调度,提高了设备利用率,达到了节能增效的效果。并能与上位机通讯,实现远程控制和在线监测,提高了煤矿自动化水平和安全性。该系统的使用必将提高煤矿生产的自动化水平,对煤矿安全生产具有重要意义,有利于排水自动控制系统的推广应用。关键词: 水泵 PLC 自动控制利用率远程控制山东轻工业学院 2011 届本科生毕业设计(论文) 2 Abstract U nderground drainage system isone of the four major coal production and shoulder the important task of underground water excluded, however, the underground drainage system inour country many still rely on traditional manual mode of paper introduces a PLC based control system on-site mine drainage control in part to coal mine safety and a variety of normal production and the concentration of the parameters or state monitoring, and relev