基于单片机的红外遥控电子密码锁设计毕业设计论文论文终稿.doc

. WORD格式.资料 . 专业.整理 基于单片机的红外遥控电子密码锁设计 [摘要]：在日常的生活和工作中, 住宅与部门的安全防范、单位的文件档案、财务报表以及一些个人资料的保存多以加锁的办法来解决。本设计是基于51单片机设计的六位红外遥控密码锁，具有本机开锁遥控开锁，报警，工作状态液晶显示功能。密码锁具有安全性高、成本低、功耗低、易操作等优点。 [关键词]：红外电子密码锁；报警；液晶显示; The Design of Infrared Remote Control Combination Lock Xiao peng (Grade 09,Class 3,Major electronics and information engineering ，the school of physics and telecommunications engineering，Shaanxi University of Technology，Hanzhong 723003，Shaanxi) Tutor:Zhu Yali [abstract]：In daily life and work, with department of housing security, unit documents, financial statements and some personal information using lock to save. This design is based on 51 single-chip with infrared remote control combination lock, with unlock the machine remote control lock, alarm and working status of liquid crystal display function. Combination lock with high safety, low cost, low power consumption, easy operation, etc. [Key words]:Infrared electronic combination lock；The alarm; Liquid crystal display (LCD); 目录 TOC \o 1-3 \h \u HYPERLINK \l _Toc12559 1 引言 PAGEREF _Toc12559 3 HYPERLINK \l _Toc16773 1.1 电子密码锁的背景与研究意义 PAGEREF _Toc16773 3 HYPERLINK \l _Toc16590 1.2 红外电子密码锁的现状及发展趋势 PAGEREF _Toc16590 4 HYPERLINK \l _Toc18785 1.3 课题研究方法 PAGEREF _Toc18785 5 HYPERLINK \l _Toc4879 2 红外通信原理 PAGEREF _Toc4879 5 HYPERLINK \l _Toc26563 2.1 红外的发射和接收 PAGEREF _Toc26563 5 HYPERLINK \l _Toc160 2.1.1 编码解码 PAGEREF _Toc160 6 HYPERLINK \l _Toc11409 2.1.2 调制 PAGEREF _Toc11409 7 HYPERLINK \l _Toc21206 2.1.3 解调接收 PAGEREF _Toc21206 7 HYPERLINK \l _Toc30892 3 硬件电路设计 PAGEREF _Toc30892 7 HYPERLINK \l _Toc14442 3.1 整系统框图 PAGEREF _Toc14442 7 HYPERLINK \l _Toc13277 3.2设计思想 PAGEREF _Toc13277 8 HYPERLINK \l _Toc26156 3.3 有关芯片的简介 PAGEREF _Toc26156 9 HYPERLINK \l _Toc9018 3.3.1 单片机 AT89C51 PAGEREF _Toc9018 9 HYPERLINK \l _Toc27221 3.3.2存储芯片AT24C02介绍 PAGEREF _Toc27221 11 HYPERLINK \l _Toc2