Distributed optical fiber temperature sensor-based distributed optical fiber temperature sensing detection system

The invention discloses a distributed optical fiber temperature sensor-based distributed optical fiber temperature sensing detection system, which consists of a signal processing system, a sound and light alarming system and a power supply system, wherein the signal processing system comprises a temperature measurement host and a control computer; the temperature measurement host is a distributed optical fiber temperature sensor, and is used for acquiring, amplifying and converting signals; the control computer comprises special test control software, and is mainly used for realizing data processing, display and control functions; the sound and light alarming system is used for realizing indication functions, can generate corresponding alarming sound and light signals when results are consistent with set conditions, and has sound attenuation, resetting and self-checking functions; the power supply system comprises a main power supply, a firefighting power supply and a storage battery; the firefighting power supply can be used for automatically switching the main power supply and an auxiliary power supply, and has a power supply abnormity alarming function; in addition, the power supply system also has lightning protection and over-current protection functions. The system is provided with a plurality of temperature measurement channels, and can be expanded according to different needs.