53基于PLC的七层电梯控制系统设计

四川大学本科毕业设计（论文）基于PLC的七层电梯控制系统设计-1-基于PLC的七层电梯控制系统设计机械制造及其自动化专业学生安锋指导老师罗华摘要：电梯不仅仅是高层建筑罩的必备设施，在多层建筑里也是不可缺少的垂直运输工具。电梯的控制系统已由初期的继电控制向微机控制发展。可编程控制器由于具有可靠性高、功能强大等特点已经成为电梯微机控制系统的核心。本文在阐述电梯的结构和可编程控制器的结构和工作原理的基础上，针对7层7站电梯，使用三菱FX2N-80MR可编程控制器，设计了电梯的控制系统。包括电梯的指层控制模块、轿内指令和厅外召唤的登记与消除模块、电梯的选层和定向模块、电梯的开关门运行模块、电梯运行控制模块等，实现了电梯的指层控制、轿内与各层内呼梯指令的记录、电梯运行方向和停靠的层站的控制，自动运行和自动开关门等功能。这种电梯控制系统应用于实际运行的电梯中，运行结果表明：电梯控制系统安全性和可靠性高，月常保养维护和故障检修方便，运行成本低。电梯连续运行12000次，故障率为0,平层精度小于±5mm，平衡系数48％～50％，起动、制动及运行平稳、舒适，安全保护和可靠性均达到GB7588．2003的规定，能够满足电梯的控制要求。关键字：电梯；控制系统；可编程控制器四川大学本科毕业设计（论文）基于PLC的七层电梯控制系统设计-2-Abstract：Elevatorisnotonlythenecessaryfacilityinthehigh-risebuilding．isalsotheessentialverticaltransportmeansinthemulti—layeredconstruction．Thecontrolsystemofelevatorisdevelopedfromtheinitialrelaycontrolsystemtothemicrocomputercongolsystem．Theprogrammablelogiccontrollerhasalreadybecomethecoreoftheelevatormicrocomputercontrolsystembecauseofitshighreliabilityandformidablefunctionandsoonthecharacteristics．Thisarticleslalomedtheelevatorstructure，thestructureandtheworkingprincipleoftheprogrammablelogiccontroller．Aimattheelevatorofseverfloorsandseverstations，thewriterdesignthiselevatorcontrolsystembytheuseofMitsubishiFX2N—80MRprogrammableillogiccontroller．111ewriterdesigntheelevatorcontrolmodules．Suchthemoduleofshownlayer．themoduleofregisterandcanceltheinstructionsfromthecabin．Themoduleofregisterandcanceltheinstructionsfromthesmfionhall．themoduleofchoosestationanddirection。themoduleofdoormovement，themoduleofelevatoroperation，andsoon．Thesemodulesachievethefunctions：fingeringoutthelocationofthecabin，registeringtheinstructionsfromthecabinandthestationhall．choosingthedirectionandthestationofelevatorfollowtheseinstructions，operatingelevatoranddoorautomatically，andotherfunctions．Thiselevatorcontrolsystemappliesintheactualoperatingelevator．theoperatingresultindicated：itssecurityandreliabilityalehigh,theroutinemaintenanceandthetroubleshootingareconvenient,theelevatoroperatingcostislow．Theelevatorcontinuousrunning12000times．thefailurerateis0。theevenlevelprecisionissmallerthan+5mm，thebalancedcoefficientsis48％～50％，thestarting，thebrakeandthemovementaleextremelysteadyandcomfortable，thesafekeepingofsecurityandthereliabilityachievedGB7588—2003thestipulations．Cansatisfytheelevatorthecontrolrequest．KeyWords：Elevator;ControlSystem;ProgrammableLogicController四川大学本科毕业设计（论文）基于PLC的七层电梯控制系统设计-3-目录第一章绪论................................................................................................................................................................61.1课题研究背景和意义............................................................................................................................................61.2国内外发展状况....................................................................................................................................................71.3主要研究内容........................................................................................................................................................9第二章电梯的概述.................................................................................................................................................102.1电梯的定义.........................................................................................................................................................102.2电梯的分类.........................................................................................................................................................102.2.1按用途分类........................................................................................................................................................102.2.2按驱动系统分类...............................................................................................................................................112.2.3按操作控制方式分类.......................................................................................................................................122.3电梯的主要机械部件..........................................................................................................................................13第三章电梯的电力驱动系统...................................................................................................................................153.1电梯电力驱动系统的定义及构成......................................................................................................................153.2电梯电力驱动系统的要求..................................................................................................................................153.3电机的选择..........................................................................................................................................................163.3.1电动机选择的基本原则...................................................................................................................................163.3.2电动机容量的选择.........................................................................................................................................