Design And Implementation Of High Sensitivity Aspiratory Compound Fire Alarm System

Super early alarm fire of automatic fire detection is an important area of technology. The fire occurred in early stages is small-scale and easily extinguished.if not timely be detected and treated,it will spread and result in a disaster. The early stages have a small fire in the stack, it is difficult to be seen by naked eye, but aspirating fire alarm system can detect up. It is not like the traditional fire detectors, just passively wait for the smoke appeared, but initiative to constantly taking air samples inside of the detector for analysis, in accord to cutting ahead of the potential of fire.The internal initiatives exhaust-detection system will initially be able to detect a small number of lessons indoors. After analysis and realize the early warning. The innovation of the system is that CO gas detector module is introducted, also the internal structure of fire alarm controller Room made improvements, and enhanced distinctive capacity of smoke detectors to the fire, Air dust and water vapor, while reducing system development cost. This will overcome the suction of the existing fire-alarm control weaknesses.The aspirating compound under fire alarm controller GB4717 national standard, completed the hardware and software design of the HCI and communication interface. HCI W78E516B part of a microcontroller core provide users with a good operating environment. realize the fire alarm information, all types of fault information, the system operational information storage and inquiries,system parameters setting, and other functions; communications interface protocol is simulated by the W78E516B mouth line, Implementation of the controller and other devices for detecting data between sending and receiving. After the analysis of the data processing, microprocessor control signal then sent to the fire interlock equipment, to achieve automatic control of fire.Finally, the inspiratory compound fire alarm system gave an explanation of the test results, Currently the product has been approved by the State Fire Detection Test Center, run good.