皖西学院本科毕业论文(设计)皖西学院本科毕业论文(设计)论文题目基于PLC喷泉系统控制设计姓名(学号)系别机械与电子工程学院专业机械设计制造及其自动化导师姓名二〇一二年六月第1页皖西学院本科毕业论文(设计)基于PLC喷泉系统控制设计作者王祥指导教师卢承领摘要:喷泉是近年来出现的一种园林建筑与花式观赏相结合的一种产物。随着可编程控制器在我国的迅速发展,对喷泉的控制要求也越来越高,使得越来越多的控制部分需要可编程控制器来实现。针对传统的喷泉控制系统一旦设计好控制电路,就不能随意改变喷水花样及喷水时间等问题,本设计采用了三菱FX2N系列可编程序控制器作为喷泉的控制器,能适应不同季节、不同场合的喷水要求目的的花样喷泉系统。该喷泉控制系统不但实现了自动转换喷泉的喷水样式,而且提高了系统的可靠性和安全性,具有一定的工程应用和推广价值。关键字:喷泉,PLC,梯形图,三菱第2页皖西学院本科毕业论文(设计)FountaincontrolsystemdesignbasedonPLCAbstract:Thefountainisalandscapearchitectureandfancywatchemergedinrecentyearsacombinationofaproduct.WiththerapiddevelopmentofprogrammablecontrollersinChina,thefountaincontrolrequirementshavebecomemoresophisticated,moreandmorecontrolpartoftheprogrammablecontroller.Traditionalfountaincontrolsystemdesignedcontrolcircuit,itcannotarbitrarilychangethespraypatternandspraytime,thisdesignusesMitsubishiFX1Nseriesprogrammablecontrollerasthefountaincontrollercanadapttodifferentseasons,differentoccasionssprinklerrequirementspurposetricksfountainsystem.Thefountaincontrolsystemnotonlytoachievetheautomaticconversionfountainspraystyle,andimprovesystemreliabilityandsecurity,engineeringapplicationsandpromotionalvalue.Keywords:Fountain,PLC,Ladderdiagram,Mitsubishi第3页皖西学院本科毕业论文(设计)目录摘要...........................................................................2Abstract.......................................................................31绪论.........................................................................61.1论文研究的背景..........................................................61.2论文设计的内容..........................................................81.3论文设计的目的和意义....................................................81.4相关理论知识介绍........................................................81.4.1PLC概述..........................................................81.4.2PLC的结构........................................................91.4.3PLC的应用领域...................................................102系统控制方案的确定..........................................................112.1花式喷泉的概述........................................................112.2采用PLC控制花式喷泉的优点............................................122.3系统设计的基本步骤....................................................122.4喷泉系统控制方案......................................................132.5喷泉控制系统的原理图..................................................143系统硬件设计................................................................163.1PLC的选型..............................................................163.1.1常用PLC介绍.....................................................163.1.2确定三菱FX2N系列可编程控制器....................................173.2变频器的选型...........................................................183.3泵的选型...............................................................193.4硬件接线图............................................