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江 西 理 工 大 学 本 科 毕 业 设 计（论文） 题 目：基于单片机的门卫系统设计 专题题目：基于AT89C51的门卫控制系统设计 学 院：信息工程学院 专 业：通信工程 班 级：121班 学 号：1520123497 学 生：丁怡 指导教师：肖玲玲 职称：副教授 时间：2016年6月10号 摘 要 随着物联网概念的提出和发展，传统的电器使用方式将得到巨大的改变。人们不再满足于简单的手动方式，而是希望用另外一种更智能快捷的方式实现自己的需求。从而达到人与物、物与物相联的目的，创造方便快捷的生活环境。近年来，电子门卫系统发展非常迅速，衍生出三种开门方式：密码识别，卡片识别，生物识别，无线射频识别技术已经在门卫产品中取得了广泛的应用。本设计主要介绍的是用于门卫管理系统的射频读卡技术的设计过程。我设计的系统正是基于单片机，采用AT89C51芯片作为主控部分，控制外部局域设备。有卡读入时先判断卡的性质是管理卡还是普通卡，再分别对蜂鸣器的反应做出相应的回应。本系统可同时支持一张管理卡和多张多张普通用户卡。管理人员可以用管理卡进行多种操作，包括更改管理卡，增加、删除普通用户卡等操作。 关键字:智能；门卫系统；AT89C51；读卡模块； ABSTRACT Along with Along with the concept of Internet of things and development of the traditional way of electrical appliances will have huge changes.People no longer satisfied with simple manually, but want to use another more intelligent and fast way to achieve your needs.So as to achieve the purpose of people and things, things and objects associated, create convenient living environment.Is developing rapidly in recent years, electronic entrance guard system, three are derived from the open mode: password identification card recognition, biometrics, radio frequency identification (rfid) technology has obtained widespread application in the access control products.This design is mainly introduced for radio frequency card reader technology of access control management system design process.I design system based on single chip microcomputer AT89C51 chip as the main control part, control the external local equipment.Have a card read in judgment first card is the nature of the card or an ordinary card, then response to the buzzer to make corresponding response, respectively.This system can support a card and at the same time to a more general user card.Card can be used for a variety of operation management, including changes to the card, increase, delete, ordinary user card etc. Key words: Intelligent;The entrance guard system;AT89C51;Read the card module; 目 录 第一章 绪