基于单片机的家庭火灾监控报警系统设计

Design of home fire monitoring and alarm system based on single chip microcomputer

基于STC12C5A60S2型单片机,设计一种家庭用多功能监控系统,具备低开发成本、线上线下终端同步显示多传感器数据、火灾各特征参量于本地进行专项语音光闪报警以及于线上APP客户端界面同步进行图形色变报警的特点。通过红外火焰、光敏电阻、温度、湿度、有毒气体和烟雾等传感模块实时监测火灾信号,将信号的特征参数按序进行A/D转换处理和算法分析,再利用蓝牙无线透传与串口通信技术构建微微网络以实现数据的远距离传输,并借助于易语言、PC端安卓APP开发环境、LCD、启停功能按键、译码芯片、继电器组和多通道语音播放板等搭建线上线下监控报警终端。实验结果表明,系统可控性和实时性强,家庭火灾的漏报率和误报率进一步降低,用户对报警信号的反应能力也有所提高。

Based on STC12 C5 A60 S2 single-chip computer,a multi-functional monitoring system for household use is designed,which has the characteristics of low development cost,synchronous display of multi-sensor data on online and offline terminals,special voice flash alarm for fire characteristic parameters locally,and synchronous color change alarm for online APP client interface.Firstly,fire signals are monitored in real time by infrared flame,photoresistor,temperature,humidity,poisonous gas and smoke sensor modules.Then,the characteristic parameters of these signals are processed by A/D conversion and algorithm analysis in sequence.Then,a micro-network is constructed by Bluetooth wireless transmission and serial communication technology to realize data remote distance transmission,and with the help of easy language,PC Android APP development environment,LCD,start and stop function keys,decoding chip,relay group and multi-channel voice playback board,build online and offline monitoring and alarm terminal.The experimental results show that the system has strong control lability and real-time,the rate of missed and false alarm of home fire is further reduced,and the user’s response ability to alarm signal is also improved.