【正文】 湖南工業(yè)大學(xué)專科畢業(yè)設(shè)計(jì)（論文） I 摘 要 隨著科學(xué)技術(shù)的日新月異，我們的生活發(fā)生了巨大的變化。 一個(gè)智能化、自動(dòng)化的社會(huì)已經(jīng)開始呈現(xiàn)于我們的眼前，這為我們提供 了非常多的便利。其中自動(dòng)門就是自動(dòng)化進(jìn)程中的一個(gè)典型代表，此設(shè)計(jì)就是運(yùn)用所學(xué)的知識(shí)，結(jié)合實(shí)際需要而進(jìn)行研究的。 為 了 增強(qiáng)自動(dòng)門運(yùn)行的可靠性 ,提出了一種以 S7200 可編程序控制器 (PLC)為核心的自動(dòng)門控制系統(tǒng)。分析了該控制系統(tǒng)的工作原理 ,描述了系統(tǒng)的硬件組成 ,介紹了人體感應(yīng)探測(cè)、自動(dòng)門運(yùn)行位置檢測(cè)、門運(yùn)行障礙檢測(cè)等控制電路的工作過程 ,對(duì) PLC 的選型及 I/O 點(diǎn)的確定進(jìn)行了說明。結(jié)合 PLC 的運(yùn)行特點(diǎn) ,對(duì)控制系統(tǒng)的工作流程作了合理的優(yōu)化。在此基礎(chǔ)上 ,采用結(jié)構(gòu)化的編程方法 ,給出了主程序模塊、開門子程序模塊、關(guān)門子程序模塊的程序流程圖。系統(tǒng)已通過硬件和軟件調(diào)試 ,在實(shí)際中獲得了應(yīng)用。應(yīng)用結(jié)果表明 ,整個(gè)系統(tǒng)功能完善 ,性能可靠。 關(guān)鍵詞 ：可編程控制器； S7200； 自動(dòng)門； 控制系統(tǒng) 湖南工業(yè)大學(xué)?？飘厴I(yè)設(shè)計(jì)（論文） II ABSTRACT With the rapid development of science and technology, our lives changed greatly. An intelligent and automation has began to appear in our view, this gives us great convenience. In the process of automatic door is of a typical automation, this design is the use of knowledge, and bining with actual need and research. To strengthen the reliability of the operation, a S7 200（ PLC) as the core of the automatic control system. Analyzed the control system works, a description of a hardware system, introduced the body automatically detect and respond to the operation position of the inspection and operation of the inspection and control circuit to the work of the process, the plc and of course I would like to confirm the order. It was introduced how to choose a PLC type, to really settle the I/O orders. Combining the operation characteristics of programmable controller, a reasonable optimization was made for the work flow of the system. On this basis, using structured programming method, the program flow charts of main program module and opening door subroutine module and closing door subroutine module were developed. The debugging of the control system was developed and the control system has been adopted. The practical application shows that the control system is good and reliable. Keywords: programmable logic controller(PLC)； S7200； automatic door； Control system 湖南工業(yè)大學(xué)專科畢業(yè)設(shè)計(jì)（論文） III 目 錄 摘 要 ..............................................................................................................................I ABSTRACT .................................................................................................................... II 前言 ................................................................................................................................. 1 第一章 緒論 ................................................................................................................... 2 研究背景與研究意義 .......................................................................................... 2 自動(dòng)門的簡(jiǎn)介 ..................................................................................................... 3 自動(dòng)門的組成及分類 ........................................................................................... 4 自動(dòng)門的組成 .......................................................................................... 4 自動(dòng)門的分類 .......................................................................................... 4 本章小結(jié) ............................................................................................................ 5 第二章 PLC 的介紹及選擇 ............................................................................................. 6 PLC的簡(jiǎn)介 ......................................................................................................... 6 PLC的主要功能及特點(diǎn) ....................................................................................... 7 PLC 的主要功能 ........................................................................................ 7 PLC 的特點(diǎn) ............................................................................................... 7 PLC的組成與基本結(jié)構(gòu) ....................................................................................... 8 PLC 的硬件系統(tǒng) ........................................................................................ 8 PLC的工作原理 .................................................................................................. 8 本章小結(jié) ............................................................................................................ 9 第三章 自動(dòng)門的執(zhí)行機(jī)構(gòu)的設(shè)計(jì) ................................................................................. 10 穩(wěn)壓電源設(shè)計(jì) ................................................................................................... 10 無刷直流電機(jī)的應(yīng)用 ........................................................................................ 11 本章小結(jié) .......................................................................................................... 13 第四章 自動(dòng)門的硬件設(shè)計(jì) ............................................................................................ 14 自動(dòng)感應(yīng)門的基本工作原理 .............................................................................. 14 限位開關(guān) 的工作原理 ........................................................................................ 15 光電開關(guān)的工作原理 ........................................................................................ 15 無刷直流電動(dòng)機(jī)的工作原理 ................................................................