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1本科毕业论文（设计、创作）题目：基于S7-200的带式输送机控制系统的设计学生姓名：xxx学号：xxxxxx所在院系：信息与通信技术系专业：电气工程及其自动化入学时间：2010年09月导师姓名：xxx职称/学位：xxxx/xxx导师所在单位：xxxxxxxxxxxxx完成时间：2014年5月安徽三联学院教务处制2基于S7-200的带式输送机控制系统的设计摘要：随着社会的发展，科学技术在人们的生活中的重要性越来越不容忽视，人类正在研究新能源来代替逐渐减少的煤矿能源，但煤矿在人们现代的生活中还无法替代。带式输送机运转效率以及稳定性为煤矿运送的关键因素。本文以矿下煤矿运送的输送机为专研目标，进行对输送机的监控及其段带保护两方面的专研。在段带保护方面，对几种段带保护张志德介绍及对这几种断带保护装置的比较，将撕裂传感器设置在监控系统中涉及对断带保护的功能。利用组态王技术对输送机的现实运转状态举行模仿，输送机的监控系统的人机界面，实现对运行的实时反馈和数据的统计分析。大型带式输送机的监控系统有效的提高了输送机的运转效率。关键词：输送机监控，输送机保护，安全隐患。3DesignconveyorcontrolsystembasedontheS7-200Abstract：Asthesocialdevelopmentimportanceofscientificandtechnologicalinpeople'slivesshouldnotbeoverlooked,humansarestudyingnewenergytoreplacedwindlingcoalenergy,butamoderncoalminesinpeople'slivescannotreplace.Conveyoroperatingefficiencyaswellasakeyfactorinthestabilityofcoaltransported.Inthispaper,underminecoaltransportconveyorisdesignedresearchobjectives,carriedontheconveyorwithmonitoringandprotectionsegmentspecializesintwoareas.Inparagraphwithprotection,protectionofseveralsegmentswithChongintroduceandcomparethesedifferentkindsofbrokenbeltprotectiondevice,thesensorsettingsonsuspicionoftearingoffwithaprotectivefunctioninthemonitoringsystem.TheuseoftechnologyKingViewconveyoroperationstateofrealityheldimitate,HMImonitoringsystemplannedconveyorsachievestatisticalanalysisofthecounty'sreal-timefeedbackanddataLargebeltconveyormonitoringsystemeffectivelyimprovetheoperationefficiencyoftheconveyorsKeywords：conveyorcontrol，conveyorprotection，securityrisksI目录DesignconveyorcontrolsystembasedontheS7-200......................................................................3第一章绪论...........................................................................................................................11.1.1研究的意义............................................................................................................11.1.2可控起动技术........................................................................................................11.1.3自动张紧技术........................................................................................................11.1.4电控与监测自动化技术........................................................................................21.1.5本文主要工作........................................................................................................2第二章带式输送机控制系统...................................................................................................32.1带式输送机结构原理及特性............................................................................................32.2带式输送机常见启动制动方式及使用范围....................................................................32.21软启动原理............................................................................................................32.22软启动技术类型分析............................................................................................42.3带式输送机常见故障及处理方式....................................................................................72.31电动机发热............................................................................................................72.32输送带跑偏............................................................................................................72.33打滑问题................................................................................................................82.34断带问题................................................................................................................82.35带速异常................................................................................................................82.4带式输送机控制系统........................................................................................................82.41系统要求................................................................................................................82.42控制量信号............................................................................................................8第三章S7-200PLC硬件系统设计..............................................................................................93.1PLCCPU及扩展模块选型...............................................................................................93.11PLCCPU选型.......................................................................................................93.12PLC扩展模块选型..............................................................................................113.2变频器选型.....................................................................................................................123.3PLCI/O端口分配.........................................................................................................143.31S7-200PLCI/O端口分配图.............................................................................15第四章s7-200PLC软件系统设计..........................................................................................174.1PLC流程图.....................................................................................................................174.11系统主程序...............................................................