New temperature sensing fire detection and alarm system, funções, guia completo-INNO

The integrated pipe gallery, subway, underground complex and other underground engineering are unified into the urban underground space planning, forming a common and comprehensive development, and the fire prevention requirements of the integrated pipe gallery are gradually increasing. O sistema de alarme de incêndio aplicado à galeria abrangente de tubos é principalmente detecção linear de temperatura de fibra óptica, with distributed fiber optic sensors based on Raman scattering and optical time domain reflectometry. Tem as vantagens de forte resistência à interferência eletromagnética, alta sensibilidade, e baixo custo. No entanto, para se adaptar às características do ambiente úmido, gasodutos complexos, e altos requisitos de prevenção de incêndio da galeria de tubos abrangente, o desempenho do sistema linear de detecção de temperatura de fibra óptica precisa ser melhorado ainda mais.

In the analysis of temperature (fogo) in various engineering systems, temperature measurement methods, scattered and discontinuous temperature measurement points, temperature measurement distance, precisão de medição de temperatura, extração de sinais de temperatura, and location analysis of heating points are important links. Os dispositivos tradicionais de medição de temperatura têm pontos fracos, como detecção ao vivo, precisão de baixa temperatura, fuzzy positioning, taxa de resposta de baixa temperatura, curta distância efetiva de medição de temperatura, e construção difícil. Develop a distributed linear fiber optic temperature measurement system that meets the requirements based on the actual temperature (fogo) monitoring signals of major engineering projects, combinado com tecnologia óptica e tecnologia de circuito eletrônico. The more continuous the data collected by instruments for monitoring temperature (fogo) in an effective area, the more realistic and accurate the actual signals obtained. This requires a device with super computing power and high-speed acquisition and processing. Through long-term monitoring and analysis of temperature (fogo), a lot of information about temperature (fogo) can be obtained. Portanto, whether temperature (fogo) can be monitored continuously and accurately for a long time largely determines the accuracy and timeliness of temperature (fogo) warning and alarm.

The recoverable linear fiber optic temperature sensing fire detection and alarm system is a new type of temperature sensing fire detection and alarm system developed internationally in recent years. It integrates laser technology, fiber optic transmission and sensing technology, optoelectronic technology, weak signal detection technology, high-speed transient data acquisition and computer processing technology, and is a high-tech product that integrates optics, mecânica, eletrônica, and computers. The system utilizes the Raman scattering effect of laser fiber and the principle of optical time domain reflectometry (OTDR) to achieve temperature measurement and position determination of continuous spatial temperature fields. Although existing fire detectors can achieve basic fire alarms, they have low measurement accuracy, few measurement points, high false alarm rates, and poor reliability of information data.

The recoverable linear fiber optic differential temperature fire detector consists of a temperature sensing fiber optic, a fiber optic temperature intelligent analyzer, a connector, a central processing unit, and a fire controller. The temperature sensing fiber optic is connected to the fiber optic temperature intelligent analyzer; Fiber optic temperature intelligent analyzer and connector connection; Connect the connector to the central processing unit; Connect the central processing unit to the fire controller; Temperature sensing optical fibers include fixed temperature sensing optical fibers and differential temperature sensing optical fibers.