兰州职业技术学院毕业设计(论文)课题基于PLC的全自动洗衣机控制系统所属教学单位兰州职业技术学院专业机电一体化年级12级机电2班学号20120260姓名雷博指导教师杨新田2014年12月20日I摘要实现全自动洗衣机控制系统总体控制有多种,可以采用早期的模拟电路、数字电路或模数混合电路。近年来随着科技的飞速发展,单片机、PLC的应用不断地走向深入,同时带动传统的控制检测技术的不断更新。本文本文采用日本三菱公司生产的FX2N-48MR型PLC作为核心控制器进行全自动洗衣机控制系统的设计,介绍了利用三菱FX2N系列PLC对全自动洗衣机控制系统总体控制,阐述了控制方案,并且设计出了系统结构图、程序指令、梯形图以及输入输出端子的分配方案。同时根据全自动洗衣机控制系统总体控制要求和特点,确定PLC的输入输出分配.关键字:PLC全自动洗衣机控制系统PLC程序设计IIPickThispaperdescribestheuseofPLCFX2Nmitsubishiseriesofautomaticwashingmachinecontrolsystem,overallcontrol,thispaperexpoundsthecontrolscheme.Realizefull-automaticwashingmachinecontrolsystemhasavarietyofoverallcontrol,canusetheanaloganddigitalearlyhybridcircuitmodulecircuitor.Inrecentyears,withtherapiddevelopmentofscienceandtechnology,theapplicationofPLCandsingle-chipconstantlytofurther,whiletraditionalcontroltesttechnologyconstantlyupdated.BasedontheproductionFX2NmitsubishiJapanasthecore48MR-typePLCcontrollerforautomaticwashingmachinecontrolsystemdesign,andthesystemstructureanddesignprograminstruction,ladderdiagramandtheinputandoutputterminalsofallocationscheme.Accordingtotheoverallcontrolofautomaticwashingmachinecontrolsystem,PLCrequirementsandcharacteristicsofdistributionofinputandoutput,andcommissioningKeywords:PLCautomaticwashingmachinecontrolsystem,PLCprogramdesignIII目录1引言................................................52全自动洗衣机控制系统总体控制方案确定................72.1总体控制方案确定..........................................................................................72.2控制系统的比较..............................................................................................72.3洗衣机的PLC控制系统概述........................................................................83全自动洗衣机的基本结构.................................................................................103.1全自动洗衣机的原理和构造........................................................................103.2洗涤脱水系统................................................................................................123.3排水和进水系统............................................................................................123.4电动机及传动系统........................................................................................134电气控制系统...........................................................................................................154.1控制系统结构................................................................................................154.2控制系统原理................................................................................................154.3检测电路系统................................................................................................165主要器件的选择......................................................................................................185.1电动机的选择................................................................................................185.2传感器的选择................................................................