Design on Intelligent Smoke Alarm System

The proportion of house fires in society is increasing day by day. Smoke alarm is of practical significance to prevent house fires and reduce losses caused by fire. Through careful study of the traditional smoke alarms, a new type of smoke alarm with safety, convenience and efficiency has been innovated. The traditional smoke alarms have many problems, such as complicated routing, high maintenance cost in the later stage, single notification object, inability to monitor in real time, and late warning or failure to warn. This paper puts forward a technical scheme that combines STM32 single-chip microcomputer with the Internet of Things NB-IOT and an APP. STM32 single chip microcomputer with the Internet of Things NB-IOT can solve the problems of tedious routing and single notification object. MQ-2 smoke sensor is adopted, which features high sensitivity. The A9500 wireless communication module refreshes data at high frequency and connects it to the cloud platform, thus greatly reducing the phenomenon of late warning and failure to warn. An APP application software, which can realize real-time monitoring and timely feedback of information at home. Users can put out the fire at the best time. This design starts from the reality of life and serves the needs of people so as to improve and innovate a new type of smoke alarm.