摘要温室是植物栽培生产中必不可少的设施之一，可以用来改变植物的生长环境，避免外界四季变化和恶劣气候对作物生长的不利影响，为植物的生长创造适宜的良好条件。随着农业现代化的发展，设施园艺工程因其涉及学科广、科技含量高、与人民生活密切相关，已经越来越受到世界各国的关注与重视。这也为我国大型现代化温室的发展提供了极好的机遇，并产生巨大的推动作用。本文介绍一种基于PLC（ProgrammableLogicController）的温室控制系统，该系统实现了对室内各环境变量的实时监测和调节，大大降低了操作人员的劳动强度，同时提高了作物的质量与产量。其主要内容包括：1)研究花卉温室控制系统方案设计。2)电气控制电路设计。3)基于PLC的电气控制系统设计。4)利用西门子编程软件设计PLC程序。5)利用WinCCflexible组态软件设计人机交互界面。6)系统调试与测试。关键词：温室；PLC；WinCCflexible；人机交互界面IAbstractGreenhouseisoneoftheessentialplantcultivationandproductionfacilities,canbeusedtochangetheenvironmentforthegrowthofplants,avoidoutsidethefourseasonschangethebadweatherandtheadverseeffectsoncropgrowthandforplantgrowthandcreategoodconditionsforappropriate.Withthedevelopmentofagriculturalmodernization,theFacilitiesHorticultureprojecthasbecomemoreandmoreconcernedwiththewiderangeofsubjects,hightechnologycontent,andpeople'slife.ThisalsoforthedevelopmentofChineselarge-scalemodernizedgreenhouseprovidesanexcellentopportunityandhaveahugerole.ThispaperintroducesakindofgreenhousecontrolsystembasedonPLC(ProgrammableLogicController),whichrealizesthereal-timemonitoringandadjustmentoftheindoorenvironmentvariables,whichgreatlyreducesthelaborintensityandimprovesthequalityandyieldofthecrops.Itsmaincontentsinclude：1)Theflowersgreenhousecontrolsystemdesign.2)Electricalcontrolcircuitdesign.3)ElectricalcontrolsystemdesignbasedonPLC.4)UsingthesoftwareofSiemensPLCprogrammingtodesignprogram.5)UsingthesoftwareofWinCCflexibletodesignHMIconfiguration.6)Thesystemdebuggingandtesting.Keywords:Greenhouse;PLC;WinCCflexible;HMIII目录第一章绪论.....................................................................................................................11.1课题背景及意义.....................................................................................................11.2国内外研究现状.....................................................................................................11.3论文内容结构.........................................................................................................21.4本章小结.................................................................................................................2第二章系统总体结构设计.........................................................................................32.1温室的工艺要求及设施构成.................................................................................32.1.1温室的工艺..................................................................................................32.1.2温室的设施构成..........................................................................................32.2系统设计思路.........................................................................................................42.2.1系统具备的功能..........................................................................................42.2.2控制模式......................................................................................................52.3控制系统方案........................................
