基于PLC的自动门控制

还认真开展了6次全国统一行动，遏制了因三超一疲劳而引发的交通事故;在三、四、五月份，我队还按照州政府、州安委会、州支队要求，开展了道路交通集中整治专项行动、治理酒后驾驶、摩托车、电动车专项治理行动，均取得了一定的成效。第I页嘉兴南洋职业技术学院毕业论文（设计）论文题目基于PLC的自动门控制系部电子信息工程系学生姓名杨国杨专业名称电子信息工程班级/学号指导教师周燕军嘉兴南洋职业技术学院教务处印制嘉兴南洋职业技术学院毕业设计（论文）还认真开展了6次全国统一行动，遏制了因三超一疲劳而引发的交通事故;在三、四、五月份，我队还按照州政府、州安委会、州支队要求，开展了道路交通集中整治专项行动、治理酒后驾驶、摩托车、电动车专项治理行动，均取得了一定的成效。第I页基于PLC的自动门控制【摘要】随着科学技术的日新月异，我们的生活发生了巨大的变化。一个智能化、自动化的社会已经开始呈现于我们的眼前，这为我们提供了非常多的便利。其中自动门就是自动化进程中的一个典型代表，此设计就是运用所学的知识，结合实际需要而进行研究的。为了增强自动门运行的可靠性,提出了一种以S7-200可编程序控制器(PLC)为核心的自动门控制系统。分析了该控制系统的工作原理,描述了系统的硬件组成,介绍了人体感应探测、自动门运行位置检测、门运行障碍检测等控制电路的工作过程,对PLC的选型及I/O点的确定进行了说明。结合PLC的运行特点,对控制系统的工作流程作了合理的优化。自动门系统主要由可编程控制器（PLC）、感应器件、驱动装置和传动装置组成。主要工作原理是感应器件将检测到的人体或物体信号传送到PLC，PLC再综合收到的自动门状态信号做出判断，而后发出控制信号，使驱动装置运行，在通过传动装置带动门的动作[关键词]自动门、PLC、感应器件、驱动装置嘉兴南洋职业技术学院毕业设计（论文）还认真开展了6次全国统一行动，遏制了因三超一疲劳而引发的交通事故;在三、四、五月份，我队还按照州政府、州安委会、州支队要求，开展了道路交通集中整治专项行动、治理酒后驾驶、摩托车、电动车专项治理行动，均取得了一定的成效。第II页目录前言·································································································1PLC概述·································································································2第1章毕业设计要求··············································································41.1设计题目···················································································41.2设计要求···················································································4第2章绪论···························································································52.1国内自动门发展现状·····································································52.2自动门的技术发展方向··································································52.3课题研究内容·············································································6第3章功能器件的原理···········································································73.1自动感应门的原理········································································73.1.1平移式自动感应门机组·····························································73.1.2工作流程····················································73.2行程开关(限位开关)的工作原理··········································73.3光电开关·································································83.3.1光电开关分类···········································································83.3.2光电开光工作原理······································································93.3.3光电开光特点·······································································9第4章自动门控制系统的硬件设计·························································104.1自动门控制系统结构·························································104.2PLC的选择···························································104.3驱动装置的选择··································································104.4感应器的选择·······················································114.5直流电机的选择···························································11第5章自动门的程序设计································································125.1I/O口分配表································································125.2继电器接触控制图································································12嘉兴南洋职业技术学院毕业设计（论文）第III页5.3PLC控制输出输入接线································································125.4程序流程································································135.5梯形图以及指令····························································145.6指令·····················································155.7过程分析·······················································15结论······························································································17致谢······························································································18参考文献······························································································19嘉兴南洋职业技术学院毕业设计（论文）还认真开展了6次全国统一行动，遏制了因三超一疲劳而引发的交通事故;在三、四、五月份，我队还按照州政府、州安委会、州支队要求，开展了道路交通集中整治专项行动、治理酒后驾驶、摩托车、电动车专项治理行动，均取得了一定的成效。第1页前言在经济飞速发展的现代深灰，随着人们物质水平的提高，人们对生活便利性的认识也越来越深刻，尤其是在现代化的都市里，人们对自动化产品的依赖也在增强，这为自动门的诞生创造了合理的条件，如今在宾馆、酒店等大型娱乐场所，自动门更是随处可见。自动门的工作方式是通过自动门内外两侧的感应器开关来感应人的出入，当人走进时给控制器一个开门的信号，再通过驱动装置将门打开，当人走过后在将门关上，从而实现自动化，无人化管理。本设计以PLC为控制器系统进行设计，本着实用、经济、稳定等各方面性能指标为技术参考，最终达到了设计要求。嘉兴南洋职业技术学院毕业设计（论文）还认真开展了6次全国统一行动，遏制了因三超一疲劳而引发的交通事故;在三、四、五月份，我队还按照州政府、州安委会、州支队要求，开展了道路交通集中整治专项行动、治理酒后驾驶、摩托车、电动车专项治理行动，均取得了一定的成效。第2页PLC概述可编程控制器，英文ProgrammableController,简称PLC，本课题中用PLC作为它的简称。PLC是用于工业现场的电控制器。它源于继电器控制技术，但基于电子计算机。它以微处理器为核心，集自动化技术、计算机技术、通信技术为一体，它通过运行储存在其内存中的程序，实现对负载的控制。PLC有丰富的指令系统，有各种各样的I/O接口、通信接口，有大容量的内存，有可靠的自身监控系统，因而具有以下基本功能：（1）逻辑处理功能；（2）数据运算功能；（3）准确定时功能；（4）高速计数功能；（5）中断处理功能；（6）程序与数据存储功能；（7）联网通信功能；（8）自检测、自诊断功能。现代化工业生产过程是复杂多样的，它们对控制的要求也各不相同，之所以受到了广大工程人员的欢迎。其其具有以下特点:(1)抗干扰能力强，可靠性能高(2)控制系统结构简单，通用性强(3)编程方便，易于使用(4)功能强大，成本低(5)设计、施工、调试的周期短(6)维护方便嘉兴南洋职业技术学院毕业设计（论文）第3页构成具体构成框图如图0-1图0-1结构框图4还认真开展了6次全国统一行动，遏制了因三超一疲劳而引发的交通事故;在三、四、五月份，我队还按照州政府、州安委会、州支队要求，开展了道路交通集中整治专项行动、治理酒后驾驶、摩托车、电动车专项治理行动，均取得了一定的成效。4第1章毕业设计要求1.1设计题目:基于PLC自动门的控制1.2设计要求：经分析设计任务，可知完成任务的实质就是控制电机的正反转。要实现自动控制首先要具备以下功能部件：光电检测开关，限位开关，超载保护开关，直流电机。现确定电机与门扇轨道组成的系统，要实现电机正转——开门，电机反转——关门。1）当有人由内到外或由外到内通过光电检测开关时，开关上有