毕业设计(论文)题目:基于PLC的大麦粉碎机电气控制系统设计专业:电气自动化班级:10213班学号:43号姓名:黄龙指导老师:闾琳老师成都工业学院二零一三年五月摘要随着我国经济的快速发展,我国的啤酒业也得到了飞速的发展,并迅速成为一个啤酒大国。而大麦是制造啤酒的主要原材料,直接影响啤酒的生产。大麦粉碎机是用于粉碎农作物大麦的,使大麦得到跟充分合理的利用。本课题的设计目的是为了减少人工任务、提高质量,提高精度和灵活性,使啤酒的生产从人工向自动化、智能化生产迈进。本课题的设计主要有浸泡大麦的水的温度控制和液位控制,大麦从料箱到粉碎、出料口出来的自动和手动控制,粉碎辊清洗的水的温度控制。采用三菱FX2NPLC进行编程控制,使用热电偶进行温度的采集,用温度变送器进行变换,FX2N-2AD进行模拟量和数字量的变换控制。本课题最终在以FX2NPLC为控制核心,辅以外围电路构成的基础下,达到大麦粉碎全过程的手动、自动运行控制,温度的自动我调节控制。关键词:大麦粉碎机FX2N温度控制液位控制AbstractWithChina'srapideconomicdevelopment,China'sbeerindustryhasbeenrapiddevelopment,andisrapidlybecomingabigbeer.ButthebarleyisthemainrawmaterialmanufacturingBeer,directlyaffecttheproductionofbeer.Barleymillisusedforcrushingcropofbarley,barleytobefullyrationaluse.Thedesigngoalofthissubjectistoreducemanualtasks,improvequality,improvetheprecisionandflexibility,sothatthebeerproductionfrommanualtoautomatic,intelligentproduction.Controloftemperatureandliquidlevelcontroldesignofthemainsubjectofbarleywatersoaking,grinding,fromthematerialboxtoautomaticandmanualcontrolmaterialoutofthemouthofbarley,temperaturecontrolofgrindingrollercleaningwater.TheMitsubishiFX2NPLCprogrammingcontrol,usingathermocoupletemperaturecollection,changedtemperaturetransmitter,thetransformcontrolsFX2N-2ADanaloganddigital.ThisthesistakesFX2NPLCasthecontrolcore,constitutethebasisofperipheralcircuit,tocontrolthemanual,automaticoperationofbarleycrushingprocess,automatictemperatureregulationcontrolofme.Keywords:barleybreakerFX2NtemperaturecontolLiquidlevelcontrol目录摘要..............................................................................I1绪论............................................ERROR:REFERENCESOURCENOTFOUND1.1课题背景与选题意义...................ERROR:REFERENCESOURCENOTFOUND1.课题背景.....................Error:Referencesourcenotfound2.选题意义......................Error:Referencesourcenotfound1.2国内研究状况........................ERROR:REFERENCESOURCENOTFOUND1.简介..........................Error:Referencesourcenotfound2.国内产品展示..................................................21.3课题研究.......................................................31.湿粉碎工艺简要说明............................................32.简要电动机说明................................................33.电动机运动过程分析............................................44.可以研究的内容和可行性分析....................................42设计分析.......................................................................52.1大麦粉碎机的组成部分和作用...................................52.2大麦粉碎记得工艺流程..........................................63硬件设计.......................................................................83.1主电路的设计................................................93.2PLC接线电路的设计..........................................123.3元器件的选型...............................................131.熔断器的选型..............................................132.热继电器的选型.....