基于单片机的自动感应门设计摘要现在的社会在不断地发展、科技也在不断的进步，人们的生活水平也就逐渐的提高起来，自动感应门开始逐步的进入人们的日常生活中，应用于一些公共场所，例如：宾馆、超市、银行等，成为现代建筑中的必备之一。自动感应门具有美观大方、防风、防尘等优点，同时也方便了人们的进出的管理，方便了人们出入，增强了安全。它具有较强的实用性，功能也十分齐全，用单片机系统进行控制，使人们能够更加方便的出入，不用再自己推门进出。它让我们大家知道智能时代离我们越来越近。本次毕业设计主要采用单片机AT89C51为控制核心，热释电型红外传感器，电机等相结合的设计作品。本次设计产品充分发挥了单片机的性能，其优点为电路简单，软件功能具备，控制系统完善等。关键词：自动感应门单片机电机热释电红外传感器AbstractNowsocietyinconstantdevelopment,scienceandtechnologyisalsoinconstantprogress,people'sstandardoflivingwillgraduallyriseup,automaticinductiondoorbegantograduallyintothePeople'sDailylife,usedinsomepublicplaces,suchas:hotels,supermarkets,Banks,etc.,tobecomeoneoftheessentialofmodernarchitecture.Theautomaticinductiongatehastheadvantagesofbeautifulappearance,windproof,dustproof,etc.Italsofacilitatesthemanagementofpeopleinandout,convenientforpeopletogoinandoutandenhancethesecurity.Ithasastrongpracticability,thefunctionisalsoverycomplete,withthesingle-chipcomputersystemtocontrol,enablespeopletobemoreconvenienttogoinandout,donothavetopushthedoorinandout.Itletsusallknowthattheageofintelligenceisgettingcloserandclosertous.ThisgraduationprojectmainlyadoptssinglechipmicrocomputerAT89C51asthecontrolcore,pyroelectricinfraredsensor,motorandotherdesignworks.Thisdesignproductgivesfullplaytotheperformanceofsinglechipmicrocomputer,itsadvantagesaresimplecircuit,softwarefunction,controlsystemperfect,etc.Keyword：automaticdoor;SCM;Electricmachinery1目录1绪论...................................................................................................................11.1自动感应门设计的背景..........................................................................11.2自动门的发展历史..................................................................................11.3自动感应门设计的功能概述..................................................................12系统总体方案...................................................................................................32.1系统的总体规划......................................................................................32.2元器件介绍.............................................................................................32.2.1单片机的引脚及定义介绍............................................................32.2.2热释电红外传感............................................................................93硬件设计.........................................................................................................113.1基本的单片机系统................................................................................113.2红外检测电路.......................................................................................113.2.1放大信号电路..............................................................................123.3步进电机电路.......................................................................................143.4LCD液晶显示器简介.............................................................................153.4.1液晶原理介绍....................................
