摘要
设计了一种多路无线火灾报警系统。采用烟雾传感器和负温度系数的热敏电阻作为火灾信号检测器,无线发射模块发射多路火灾编码信号,无线接收模块接收火灾信号,可数字显示火灾发生的位置,同时喇叭发声报警。本电路能实现多路火灾无线报警,还可以根据实际需要设置报警器的灵敏度。可以应用于多种场合,满足不同的需求。本电路具有设计科学合理、功能全、造价低、实用性强等特点。
This paper designs a kind of multiehannel wireless fire alarm system. This system uses smoke sensors and thermistors of negative temperature coefficient for detecting the fire signal,and uses wireless transmitting modules for transmitting the multiehannel coding fire signal and wireless receiving modules for receiving the fire signal. This system can digitally display the location of the fire taking place. At the same time, the loudspeaker sounds to alarm. This system can realize wireless fire alarm for multichannel. According to the needs of reality, the sensitivity of the alarm can be adjusted to apply to the different occasions and meet the different demands. This system has a lot of characteristics that scientific and rational design, multiple function, low costs and strong practicability, and so on.
出处
《现代电子技术》
2007年第5期128-129,132,共3页
Modern Electronics Technique
关键词
火灾报警器
传感器
无线传输
编码信号
多路报警器
fire - alarm
sensor
wireless - transmission
coding signal
multichannel - alarm
