基于单片机的智能安防系统设计论文.doc

摘 要本设计以 STC89C52 单片机作为控制核心，应用多种传感器以及其他元器件，组成基于单片机的智能安防系统，其主要实现的功能包括有光电检测、温度传感器检测、烟雾传感器检测、密码锁等功能，并附有键盘输入以及用液晶显示输出的多功能智能安防系统通过不同的传感器对不同的情况进行检测可有效地进行安全监控，从而实现智能安防本设计采用无线信息传输技术实现单片机间通讯从方案设计、硬件原理设计、软件编程设计、系统调试一步一步完成本设计，并基本实现了多功能智能安防系统的功能关键词 安防系统 单片机 多功能..AbstractThe design STC89C52 SCM as the control core, using a variety of sensors and other components to form a microcontroller-based intelligent security systems, to achieve its main features include a photoelectric detection, temperature sensor, smoke sensor, locks and other functions, and with keyboard input and output with LCD multi-function intelligent security systems. Through different sensors to detect different situations effectively for security monitoring, enabling intelligent security. The design uses a wireless information transmission technology to achieve communication between microcontroller. From program design, hardware design principles, software programming design, system debugging step by step through the design and the basic realization of multi-functional intelligent security system.Key words Security Systems SCM Multifunction..目 录摘 要 ..........................................................................................................................................IAbstract ...........................................................................................................................................II第 1 章 绪论 ...................................................................................................................................11.1 智能安防系统概述 ..........................................................................................................11.2 智能安防的应用 ..............................................................................................................21.3 智能安防技术前景的探索 ..............................................................................................21.4 本章小结 ..........................................................................................................................3第 2 章 智能安防系统设计的总体架构 .......................................................................................42.1 系统实现功能及要求 ......................................................................................................42.2 智能安防系统设计的总体方案 ......................................................................................42.3 本章小结 ..........................................................................................................................5第 3 章 智能安防系统硬件电路设计 ...........................................................................................63.1 电路原件介绍 ..................................................................................................................63.2 外围硬件电路设计 ..........................................................................................................63.2.1 MQ-2 传感电路设计 ...............................................................................................63.2.2 光电检测电路设计 ...............................................................................................73.2.3 24L01 模块功能介绍 .............................................................................................83.2.4 密码锁电路设计 ...................................................................................................93.2.5 LCD1602 显示电路设计 ......................................................................................123.2.6 DS18B20 温度传感器电路设计 ...........................................................................133.2.7 蜂鸣器的电路设计 ..............................................................................................153.3 STC89C52 单片机电路设计 ..........................................................................................153.3.1 STC89C52 单片机引脚介绍 ................................................................................153.3.2 单片机引脚接口 .................................................................................................173.3.3 单片机最小系统设计 .........................................................................................183.4 本章小结 .........................................................................................................................18第 4 章 PCB 设计 .........................................................................................................................194.1 PCB 板的做板过程 .........................................................................................................194. 2 系统布局布线图 ............................................................................................................19..4.3 本章总结 ........................................................................................................................20第 5 章 硬件电路调试 .................................................................................................................215.1 硬件电路调试 ................................................................................................................。