毕业论文 多传感器火灾报警器毕业论文.doc

毕业论文 多传感器火灾报警器毕业论文 摘 要 据相关统计随着家用电器的普及家庭用电量正呈逐年上升的趋势家庭火灾发生的频率也越来越高火灾报警器也随之被广泛应用于各种场合运用多传感器结合单片机能够有效解决灵敏度与报警准确率之间的矛盾能够达到预期的效果本设计具有高可靠性低误报率等特点有一定的实用价值 本文论述了选题的意思、设计的思路、元器件的选择、系统硬件软件的调试首先介绍了火灾给人们日常生活带来的影响并介绍了国内国外火灾报警系统的发展情况然后介绍了一种多传感器火灾报警系统的设计方案之后详细讲解了系统的各功能模块硬件及软件设计硬件包括单片机和传感器的选择各种电路模块的设计软件设计包括针对单片机和传感器的数据采集系统检测与报警程序的设计之后对硬件进行了简单的调试对调试结果进行了一些分析最后对整个设计进行了概括性总结 关键词火灾报警多传感器单片机模糊判断 Abstract According to relevant statistics as household appliances popularization electricity use is increasing year by year family fire occurrence frequency family more and more is also high fire alarm is subsequently been widely applied in all kinds of situations By using microcontroller can effectively solve the sensor with sensitivity and alarm accuracy the conflict between can achieve the desired effect This design has high reliability characteristics such as low misstatement rate there is certain practical value This paper discusses the meaning of the topic selection design ideas the component selection system hardware and software debugging First it introduces that the fire bring us the impact of daily life and introduces the development of the fire alarm system Then this paper introduces a kind of multisensor fire alarm system design project Then explains the function module system hardware and software design Hardware including the selection of SCM and sensor various circuit module design software design of the sensor for SCM and include data acquisition system detection and alarm program design After a brief for hardware debugging to conduct some analysis debugging results Finally the whole design this paper summarizes preliminary Keywords fire alarm multi-sensors SCM fuzzy judgment 目 录 摘 要 I Abstract II 1前言 1 11 火灾报警器的发展及现状 1 com 火灾探测技术 1 com 火灾探测器的发展趋势 1 12 论文研究的目的及意义 2 13 设计工作任务 2 2 系统方案设计 4 21 系统主要功能 4 22 系统结构与工作流程 4 23 小结 5 3 火灾报警系统硬件模块设计 6 31 单片机选型 6 32 模数转换电路设计 9 33 传感器选型 11 com 温度传感器 11 com 烟雾传感器 12 com 一氧化碳传感器 14 34 报警与显示电路设计 16 com 蜂鸣器报警电路 16 com SMC