The Research On Fire Early Warning And Alarm System Design Of Telecommunication Room By Multi-detector Cooperate

Safety is an importance guarantee of telecommunication industry operation. Fire- detection in telecommunication room is a key aspect for safety of telecommunication. In the information world, telecommunication has penetrated into every corner in our society. Once fires take place in the telecommunication room, it will not only directly cause great economic loss, but also caused immeasurable losses indirectly. What's more, the alarm "119" may be broke off and result in reporting to police untimely. This research is based on domestic and international studies on the drawback of the fire detection in telecommunication room. It takes the telecommunication room of Hancheng city Telecommunication Company in Shanxi province for example and designs "Fire early warning and alarm system of telecommunication room by using multi-detector cooperate". The system can give notice two Class with the fire early warning and the fire alarm. And can accurately locate position of the fire source. It can guarantee to discover the fire on time and eliminate the fire. In this thesis, It explained the principle and the method about fire detection firstly and analyzed the hidden danger of fire in telecommunication room. Secondly it combined the principle and the method about fire detection with every hidden danger of fire to propose the measures for detection. Based on that, the fire forecast and alarm system of telecommunication room was designed. In the research: in the first place, fire detectors were chose and organized. The concentration of smoke is monitored by infrared smoke detectors. Each row shelf is monitored by an infrared smoke detector. And made its light beam shot the top of shelf. The linear temperature detectors monitor the temperature of cable. Pave it on the cable with the form of the sine wave. Then the detector-measured value is intelligence revised. To eliminate all kinds of no fire interference, measured value must be arithmetic filtered and float compensated. Finally, not only the characteristics of distributing of smoke about a fire earlier period in telecommunication room with theoretically research, but also take into the verification with experiment. The methods of multi-detector cooperate and look up the fire the position of the fire source are build up the above theories. And wrote the procedure about realize that method.