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西南科技大学毕业设计（论文）本11机制毕业生毕业论文题目:基于PLC的矿井皮带运输系统设计院系名称：电子电气工程系专业班级：学生姓名：学号：指导教师：教师职称：2012年9月5日西南科技大学西南科技大学毕业设计（论文）II摘要煤矿的运输系统对保证矿井正常生产起着非常重要的作用。为了保证煤矿运输系统可靠安全运行，对带式输送机进行集中监视和控制很必要。本文以新疆哈密煤矿主斜井及地面胶带输送机为背景，设计出了以PLC技术为核心的集中控制系统，提高了运输系统的监测和控制水平。文中首先介绍了本次设计的背景，然后设计了胶带输送机集中控制系统的结构和应具有的控制功能，参数的检测和故障保护装置，确定了各故障检测传感器的类型及安装位置。在此基础上采用SIEMENS的S7-300系列PLC对系统进行硬件和软件设计，其中包括PLC的模块配置及外部连线，梯形图程序设计。最后提出PLC控制系统的主要干扰源，并设计了抗干扰的措施。关键词：胶带输送机；S7-300；集中控制系统西南科技大学毕业设计（论文）IIIAbstractCoaltransportsystemtoensurenormalproductionofmineplayedaveryimportantrole.Inordertoguaranteecoalminesafetyandreliableoperationofthetransportsystem,thebeltconveyortofocusonsurveillanceandcontrolisnecessary.Inthispaper,theXinjiangHamiCoalMineinclinedconveyorbeltandthegroundasthebackground,todesignthePLCtechnologyasthecoreofthecentralizedcontrolsystemtoimprovethetransportsystemofmonitoringandcontrollevel.Firstintroducedinthetextofthisdesignbackground,andthendesignaconveyorbeltonthestructureandcontrolsystemshouldhavethecontrol,faultdetectionandparametersoftheprotectiondevice,identifiedthefaultdetectionsensorsandinstallationofthetypeofposition.OnthisbasistheuseofSIEMENSS7-300seriesPLCtothesystemhardwareandsoftwaredesign,includingthePLCmoduleconfigurationandexternalconnections,ladderprogramdesign.Finally,PLCcontrolsystemthemainsourceofinterferenceandthedesignoftheanti-jammingmeasures.Keywords:Beltconveyor；S7-300；Centralizedcontrolsystem西南科技大学毕业设计（论文）IV目录1绪论......................................................................................................................11.1皮带运输的发展概述...............................................................................11.2系统设计的背景及意义...........................................................................11.2.1系统设计的背景.............................................................................11.2.2系统设计的意义.............................................................................21.3系统的任务及要实现的主要功能.............................................................32皮带集中控制系统要求......................................................................................42.1系统控制工艺............................................................................................42.2系统工艺控制要求....................................................................................53系统控制思想.....................................................................................................73.1皮带输送机控制系统结构设计方案.........................................................73.2皮带输送机集中控制系统设备构成.........................................................83.2.1皮带运输机..................................................................................83.2.2皮带运输机参数检测及故障保护装置设计................................94胶带输送机控制系统硬件选型........................................................................164.1PLC硬件设计.........................................................................................164.1.1CPU的选择..................................................................................164.1.2数字量模块选择...........................................................................184.1.3模拟量模块选择...........................................................................214.1.4电源模块的选择...........................................................................214.2PROFIBUS-DP总线及ET200M选型....................................................244.3外围设备硬件选型.................................................................................255皮带控制系统软件设计....................................................................................275.1集中控制的流程图.................................................................................275.2系统软件设计.........................................................................................285.2.1硬件组态.......................................................................................285.2.2控制方式选择..............................................................................295.2.3模拟量的处理..............................................................................315.3人机界面（HMI）设计..........................................................................326控制系统的抗干扰措施设计............................................................................356.1主要干扰源.............................................................................................35西南科技大学毕业设计（论文）V6.2抗干扰措施.............................................................................................367系统的安装、调试及维护................................................................................387.1系统的安装...........................................................................................387.1.1系统安装方法...............................................................................387.1.2注意以下问题...............................................................................387.2系统的调试...........................................................................................397.3系统的维护...........................................................................................40结束语..................................