ファイバーブラッググレーティング温度感知火災検知システムの特徴

The necessity of using fiber optic temperature measurement system in fire warning system

With the continuous development of urbanization, there are more and more cables and high-voltage switchgear in power grid construction, and the probability of faults is also increasing. According to fault statistics, it was found that the failure rate of cables and switches has been increasing year by year. さらに, most fire accidents are caused by high temperatures. したがって, before a fire occurs, timely and accurate monitoring of temperature changes in cables and switchgear and issuing alarms allows users sufficient time to take corresponding measures, which is particularly important for avoiding accidents or causing fires. しかし, the current main use is traditional temperature measurement systems, where the detection points of the sensor distribution are intermittent, and only the points in contact with the detection probe can be detected. The detection range is small, and the detection signal output is a weak electrical signal, which is highly susceptible to electromagnetic interference; Using circuits as signal channels requires particularly high insulation requirements for high-voltage equipment, メンテナンスや修理が困難になる. Not suitable for comprehensive testing of temperature systems.

Fiber Bragg Grating Temperature Sensing Fire Detection System

Fiber optics have been widely used in automatic fire detection システム, especially in narrow spaces such as tunnels and comprehensive pipe galleries. しかし, 簡単な建設と空間への敷設の特性のみに焦点を当てた従来の検査方法の継続的な改善によるものです。, and neglect the importance of temperature detection systems in monitoring, this has led to inconvenient monitoring, 高額なメンテナンス費用, 長期にわたる故障によるシステムの麻痺さえも, 人々の生活に火災の危険をもたらす. To address the aforementioned deficiencies in existing technologies, FJINNO has made significant breakthroughs in the structure of its fiber optic fire warning system products, effectively addressing the aforementioned issues.

1. Being able to accurately locate the exact location of temperature changes and achieve precise positioning, a precise fiber optic linear temperature detection system is formed, コンピューターを統合したもの, 光ファイバー通信, 光ファイバーセンシング, 光ファイバー伝送, optoelectronic control and other technologies. Based on the temperature measurement principle of fiber optic backscatter with temperature changes, OFDR advanced technology is used to monitor the feedback information on the fiber optic in real time through temperature sensing optical cables, 光ファイバー上のさまざまな点での温度変化を測定します, 検出された領域の温度状態をリアルタイムで監視します;

2. 長距離監視に最適, システムは非常にシンプルで信頼性が高い, メンテナンスフリー, and extremely convenient to install. 新しい機器の設置や拡張に影響を与えることなく、直線的に吊り下げて敷設できます。;

3. 長寿命, intrinsic safety of optical fiber, 電磁干渉がない, 誤報のない包括的なインテリジェントな判断, and it is not charged, suitable for special dangerous situations.

光ファイバー温度センサー, インテリジェント監視システム, 中国の分散型光ファイバーメーカー