） 基于单片机的火灾报警系统.doc

基于单片机的火灾报警系统 摘 要 火灾是国内外普遍关注的灾难性问题。现代消防系统中采用了先进的火灾探测器探测火情，自动确认火灾并发出火灾报警信号，自动启动灭火设备、指挥灭火。通过设计可以能综合运用所学基础理论、基本知识、基本技能；分析、解决本专业实际问题的能力；全面分析、考虑问题的思维方式、工作方法；计算、绘图和编写设计文件的能力以及实际工作能力、社会活动能力。完成设计的设计，MC14468相关电路连接，最后加以程序运行。达到本课题需要的报警效果。 随着微处理技术的快速发展,低价位、低功耗、高性能的小型单片机比比皆是。采用单片机后,许多以前需要硬件完成的功能,现在可以通过软件程序控制实现,使探测器测量与控制较普通的硬件实现更加容易,电路结构更加简单,增加了电路的可靠性。随着火灾探测方面新技术的出现与应用,我们可以在电路结构不做大调整的前提下,随时更新探测器软件,加入必威体育精装版的火灾探测算法,对探测器进行升级,使之报警更准确,性能更可靠。 纵观单片机近30年的发展历程，单片机今后将向多功能、高性能、高速度、低电压、低功耗、低价格、外围电路内装化以及片内存储器容量增加的方向发展。今后的单片机将是功能更强、集成度和可靠性更高而功耗更低，以及使用更方便。MC14468 Family fire alarm system Based on Micro-controller Abstract The fire is disastrous domestic and international issues of common concern. Modern fire fighting system used in an advanced fire detection fire detectors, automatic fire and a confirmed fire alarm signal, automatically activated fire-fighting equipment, fire-fighting command. Design can be integrated through the use of the basic theory, basic knowledge and basic skills; analysis, to solve practical problems of the professional capacity; comprehensive analysis of the problem and ways of thinking, methods of work; calculation, preparation of design drawings and documents as well as the actual the ability to work, social activities. Complete the design of microcontroller-based design of fire alarm system, mainly to complete single-chip microcomputer-based control, and ion sensors MC14468, alarm system and through the appropriate interface connector. With Procedures run.This issue needs to achieve the effect of the alarm. Micro-processing technology with the rapid development of low-cost, low power, small-scale high-performance single-chip abound. The use of single-chip, many before the completion of the function of the needs of hardware can now be controlled through the software to achieve, to make detectors more general measurement and control hardware to achieve easier, more simple circuit structure and increase the reliability of the circuit. With the new fire detection and appl