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交流双速电梯的PLC控制系统设计说明书.doc交流双速电梯的PLC控制系统设计说明书.doc -- 8 元

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黑龙江工程学院本科生毕业设计1目录摘要...............................................................................................................................................IABSTRACT...............................................................................................................................II第1章绪论...........................................................................................................................11.1课题研究的背景和目的..............................................................................................11.2电梯的发展状况..........................................................................................................21.3研究的内容..................................................................................................................31.4技术路线......................................................................................................................3第2章总体方案设计........................................................................................................52.1方案论证......................................................................................................................52.2具体方案......................................................................................................................62.3本章小结......................................................................................................................7第3章硬件设计..................................................................................................................83.1元器件的选择..............................................................................................................83.1.1PLC的选型..........................................................................................................83.1.2电动机的选择.....................................................................................................93.1.3交流接触器的选择.............................................................................................93.1.4控制变压器的选择............................................................................................103.1.5熔断器的选择...................................................................................................113.1.6热继电器的选择................................................................................................133.1.7按钮的选用........................................................................................................133.1.8低压断路器的选用...........................................................................................143.1.9行程开关的选用...............................................................................................153.1.10钥匙开关的选用.............................................................................................153.1.11转换开关的选用.............................................................................................163.1.12报警器的选用.................................................................................................163.1.13指示灯的选用.................................................................................................163.1.14元器件清单.....................................................................................................173.2主电路图....................................................................................................................18黑龙江工程学院本科生毕业设计23.3地址分配表................................................................................................................183.4控制面板....................................................................................................................203.5本章小结.....................................................................................................................22第4章软件设计................................................................................................................234.1流程图........................................................................................................................234.1.1电梯开关门流程图...........................................................................................234.1.2电梯上升下降流程图.......................................................................................244.2梯形图........................................................................................................................254.2.1外呼...................................................................................................................254.2.2换速控制...........................................................................................................254.2.3优先服务...........................................................................................................264.2.4内选信号和平层...............................................................................................264.2.5开关门...............................................................................................................284.2.6换速信号...........................................................................................................294.2.7相序更正...........................................................................................................314.2.8超时返回基站...................................................................................................314.2.9报警电路...........................................................................................................314.2.10定时开关电梯.................................................................................................324.2.11故障显示.........................................................................................................334.2.12上行.................................................................................................................344.2.13下行.................................................................................................................354.3本章小结....................................................................................................................36结论............................................................................................................................................37致谢............................................................................................................................................38参考文献..................................................................................................................................39附录............................................................................................................................................40黑龙江工程学院本科生毕业设计3摘要电梯是集机电一体的复杂系统,不仅涉及机械传动、电气控制和土建等工程领域,还要考虑可靠性、舒适感和美学等问题。而对现代电梯而言,应具有高度的安全性。采用PLC控制的电梯可靠性高、维护方便、开发周期短,这种电梯运行更加可靠,并具有很大的灵活性,可以完成更为复杂的控制任务,己成为电梯控制的发展方向。本文了解了电梯控制技术的发展,讨论了PLC应用于电梯的控制系统的可行性,完成了PLC的选型。结合电梯运行的功能要求及PLC的特点,完成了电梯控制系统系统的硬件设计和软件设计,提高了电梯运行的安全性,增强了舒适感。实现了伺服自动、检修点动、自动平层功能,做到了厅门外上下行楼层显示、轿箱内上下行楼层显示、故障显示等信号显示,达到了热保护、超速、超载、上下限位、开关门等保护环节。对电梯的工作流程进行了分析,进行了电梯控制面板的设计。关键词PLC电梯可编程控制器安全舒适黑龙江工程学院本科生毕业设计4ABSTRACTTheelevatorisacomplexsystemofmechanicalandelectricalintegration,involvingnotonlymechanicaltransmission,electricalcontrolandcivilengineeringfields,shouldalsotakeintoaccountissuessuchasreliability,comfortandaesthetics.Onmodernelevators,shouldhaveahighdegreeofsecurity.UsingPLCcontrolelevatorhighreliability,easymaintenance,shortdevelopmentcycle,thiselevatorismorereliable,andhasagreatdealofflexibility,andmorecomplexcontroltaskscanbecompleted,hasbecomethedevelopmenttrendofelevatorcontrol.Thisarticlesummarizesthedevelopmentofelevatorcontroltechnology,anddiscussedthefeasibilityofPLCtocontrolsystemofElevator,completeselectionofPLC.FunctionalrequirementsandfeaturesofthePLCcombinedwithelevator,completehardwaredesignandsoftwaredesignofthecontrolsystemforelevatorsystem,improvesthesafetyelevator,enhancescomfort.Realizationofservoautomatic,maintenancepoints,automaticlevelingfunction,doupanddownoutsidethedooroftheOfficefloordisplay,displayboxesupanddownthefloorofthecar,faultdisplaysigns,reachathermalprotection,speeding,overloading,upperandlowerlimit,switchdoorprotectionlink.Elevatorworkprocessesfortheanalysis,thedesignofelevatorcontrolpanels.KeywordsPLCelevatorcontrollablelikeprogrammersecuritycomfort
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