Household fire and theft prevention system

Abstract

The invention discloses a household fire and theft prevention system. The system comprises an infrared detection circuit, a temperature detection circuit, a smoke detection circuit, a single-chip microcomputer, a keyboard input module, an alarm module and a ventilation device, wherein the infrared detection circuit is used for detecting infrared radiation of the human body and outputting corresponding data; the temperature detection circuit is used for detecting indoor temperature and outputting corresponding data; the smoke detection circuit is used for detecting indoor smoke and outputting corresponding data; the single-chip microcomputer is connected with the infrared detection circuit, the temperature detection circuit and the smoke detection circuit, receives the output data, compares the output data with preset thresholds, and outputs an alarm signal and a control signal when the output data exceed the preset thresholds; the keyboard input module is connected with the single-chip microcomputer and used for providing the thresholds; the alarm module is connected with the single-chip microcomputer, and used for receiving the alarm signal and giving an alarm; the ventilation device is connected with the single-chip microcomputer, and used for receiving the control signal and performing ventilation.

Description

technical field [0001] The invention relates to the technical field of detection and alarm devices, in particular to a family fire prevention and anti-theft system. Background technique [0002] With the rapid development of social economy and the improvement of people's living standards, liquefied petroleum gas, piped gas, and natural gas have entered most households, and various household appliances have also been widely used. People are enjoying these modern facilities. While bringing convenience, it also increases the danger of fire hazards and harmful gas poisoning. At the same time, the rapid economic development accompanied by a sharp increase in urban floating population has added new problems to the city's social security. Criminal cases such as theft and burglary are also showing a growing trend. People are increasingly eager to have a Safe and comfortable living space. Now the main anti-theft measures for general residential buildings are limited to traditional ...

AI Technical Summary

Problems solved by technology

However, due to economic and technical reasons, the unreasonable design of the current fire prevention and anti-theft alarm system is relatively common, and there are still certain problems in signal detection and signal processing, resulting in frequent false alarms or missed alarms in some systems, and the alarm system does not operate.

Images