毕设论文 电水站计算机监控系统 .doc

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1、摘要本文首先对我国水电站计算机系统的水平及发展趋势做了介绍；其次重点介绍了S7-200/300PLC在水电站监控系统LCU的应用及在水电站技术供水系统的作用和在水电站油压装置中的应用；再次用工程制图画了水电站计算机监控系统结构图及硬件配置表；最后编了PLC控制系统程序。关键词：水电站发展趋势S7-200系统结构图PLC编程40AbstractthePLCS7-200/300monitoringsysteminhydropowerstationLCUapplicationandtechnicalsystemofwatersup

2、plyinhydropowerstationofthefunctionandapplicationinthehydropowerstationhydraulicdevice;Againwiththesystemofengineeringdrawinghydropowerstationcomputermonitoringsystemstructurediagramandthehardwareconfigurationtable;ThelastprogramthePLCcontrolsystem.KeyWords:Hydropo

3、werdevelopmenttrend；S7-200；PLCprogramming；Systemstructureofthesystem40目录第一章绪论·····················································41.1我国水电站计算机系统的水平及发展趋势··························41.1.1水电站最新技术···········································41.1.2水电站发展趋势··················

4、·························61.2国内外水电站计算机监控系统的结构模式·························111.2.1根据计算机在水电站监控系统中的作用分类··················111.2.2其次,按计算机控制方式结构来分析下列几种模式系统·········14第二章S7-200/300PLC在水电站监控系统LCU的应用···············152.1PLC现地控制器················································1

5、62.2控制系统的功能···············································182.3水力发电站排水系统控制系统···································20第三章S7-200PLC在水电站技术供水系统的作用····················23第四章S7-20040PLC在水电站油压装置中的应用······················254.1油压装置自动化的必要性与控制要求···························254.2PLC控

6、制系统的硬件设计······································254.3PLC控制系统的程序设计······································27第五章水电站计算机监控系统结构图及硬件配置表··················295.1硬件配置表···················································295.2水电站计算机监控系统结构图···································30第六章PLC

7、控制系统程序············································316.1.润滑与冷却PLC控制系统梯形图··································316.2.调相压水综合控制子程序········································336.3.油压装置自动操作控制程序······································35附录1PLC梯形图2水电站计算机监控系统结构图参考文献第一章绪论401.1我国水电站计算机

8、系统的水平及发展趋势水电站计算机监控技术是一门新兴的科学，它博采硬件工程、软件工程、通信工程、系统论、信息论和控制论等诸多学科之长，并逐步形成具有自己特长的、多学科融合和交叉的一门新兴的科学体系。水电站计算机监控技术的发展方兴未艾，它必将随着硬件技术、计算机技术、通信技术、数据库技术、网络