红外遥控电子密码锁设计
作者:孙磊磊
(陕西理工学院 物理与电信工程学院 电子信息工程专业11级5班,陕西 723000)
指导老师:梁芳
[摘要]:本文论述了基于AT89C51单片机的红外遥控电子密码锁系统设计。给出了具体的实现方案。该条件在分析
了单片机的串行通信工作原理的基础上,同时也设计了红外发送接收器电路,以及电子密码锁的电路设计等。该设计可以实现密码设定、密码显示、密码修改、本机开锁、远程遥控开锁、密码输入错误报警等等。红外发送器和红外接收器的电路以及电子密码锁设计电路和应用方法。 [关键词]:单片机;红外线;报警器
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Infrared Remote Control Electronic Secret Code Lock
Design
Author:SunLeilei
(Grade 11,Class 05,Major in Electronics & Information engineering ,Physics & Telecommunications
engineering Dept., Shaanxi University of Technology,Hanzhong 723003,Shaanxi)
Tutor: Liang Fang
Abstract:This dissertation is about concrete design of the and realization based on AT89C51. This design can achieve
the password selection; password to modify the password of the machine lock, remote keyless entry, the password is incorrect alarm function. The paper gives the working principle of the single-chip serial communication, infrared transmitter and infrared receiver circuit, and the typical design of the circuit of the electronic lock application methods.
Keywords:Sing-chip; Infrared ray; Alarm
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目 录
1绪 论 ....................................................................................................... 1
1.1 电子密码锁的发展现状及研究意义 ............................ 1
1.2 红外遥控电子密码锁的功能 ................................. 1 1.3 红外遥控电子密码锁的结构设计 ............................. 2 1.4 本文设计的特点 ........................................... 3
2红外遥控原理 .......................................................................................... 3
2.1 红外遥控介绍 ............................................. 3
2.2 红外遥控系统的工作原理 ................................... 4 2.3红外发射模块的硬件电路 .................................... 8
3系统硬件设计 .......................................................................................... 9
3.1 AT89C51单片机介绍 ........................................ 9
3.2 存储芯片AT24C02A介绍 ................................... 10 3.3上拉电阻的介绍 ........................................... 11 3.4 液晶显示器介绍 .......................................... 12 3.5矩阵键盘介绍 ............................................. 13 3.6晶振电路的介绍 ........................................... 14 3.7密码锁电路的介绍 ......................................... 15
4系统软件设计 ........................................................................................ 16
4.1 软件方案设计 ............................................ 16
4.2 系统仿真软件介绍 ........................................ 17
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