سنسورهای دمای فیبر نوری INNO ,سیستم های نظارت بر دما.
The application of optical fibers in pipelines
Pipelines are essential material transportation facilities for important systems such as natural gas, روغن, گرمایش شهری, and gas. It is of great significance for the development of the national economy and the transportation of energy and materials. در عین حال, pipeline facilities have a huge investment and are mostly located in trenches or buried below the ground. They have a certain degree of concealment in space. If they are damaged due to human or natural reasons, it is difficult to detect them in a timely manner. The leakage of flammable and explosive substances will bring great safety hazards. If this causes a fire or explosion accident, it will bring huge economic losses, and even cause significant casualties and social disorder.
The existing pipeline monitoring methods can only be disposed of by monitoring the pressure changes in pipeline sections or detecting problems such as pipeline deformation or leakage. بنابراین, pipeline disposal is mostly after an event has occurred, which has caused certain consequences. در حال حاضر, there is no reliable technical measure for effective monitoring of pipeline accidents in the early stage. If existing monitoring devices such as electromagnetic sensors are used, pipeline leakage may cause safety accidents such as fires or explosions, and it is not possible to achieve comprehensive monitoring of the entire pipeline. بنابراین, it is necessary and urgent to develop a comprehensive and timely monitoring system and method that is less prone to other adverse reactions with pipeline media.
این fiber optic monitoring device for pipeline vibration can monitor and analyze municipal pipelines such as natural gas in real time, and can realize the detection and warning of natural gas pipeline infringement events and the detection and analysis of damage and leakage points. Including induction devices, sensing devices, monitoring controllers, and warning devices; The sensing device is fixed on the pipeline, and the sensing device includes fiber optic cables laid along the pipeline and clamps used for installing fiber optic cables and forming a fixed connection with the pipeline; The sensing device includes a vibration collector for monitoring the vibration of fiber optic cables and a fiber optic thermometer for monitoring the temperature changes of fiber optic cables; The vibration collector and fiber optic thermometer are both connected to the monitoring controller signal, which is connected to the warning device signal and transmits warning information and sends warning commands to the warning device.
Distributed Fiber Optic Temperature Measurement System Pipeline Fiber Optic Leakage Technology
The advantages of pipeline transportation are obvious, and people’s production and life are already inseparable from pipelines. اما, due to the corrosion of the natural environment and transportation medium, defects in materials and construction, as well as the impact of human excavation damage and natural disasters such as earthquakes, pipelines may experience leaks, explosions, and even explosions. Besides considering the serious economic losses caused by pipeline leakage or explosion, it can also cause the leakage of harmful substances, pollute the environment, and even lead to poisoning and explosion accidents, endangering personal safety. بنابراین, early leakage monitoring of pipelines, as well as early warning of geological hazards, mechanical and manual construction, and even malicious damage to pipelines, drilling and theft that endanger pipeline safety, are particularly important. The traditional leakage monitoring methods cannot monitor pipeline leaks, let alone determine the location and area of the leakage point, and cannot provide real-time monitoring and early warning for various natural disasters, mechanical operations, and human operations that endanger pipeline safety. به علاوه, the shortcomings of existing technologies in monitoring pipeline safety hazards include: point sensors, which cannot meet the needs of long-distance pipeline safety monitoring; Sensors require power supply and are not suitable for leak monitoring in flammable and explosive pipelines.
این fiber optic composite pipeline and its monitoring system solve the problem of existing technologies being unable to implement pipeline leakage monitoring, pipe burst and excavation damage warning. It can fully cover long-distance pipelines, without monitoring blind spots in time and space, و فیبر نوری توزیع شده sensors are passive. It solves the problem of no power supply along long-distance pipelines, is not affected by electromagnetic and lightning interference, has good monitoring effect, high monitoring accuracy, and accurately locates the location of safety hazards. The fiber optic unit can simultaneously monitor the leakage, لرزش, and strain of pipelines, and the composite judgment of multiple monitoring results improves the accuracy of pipeline warning.
Characteristics and Functions of Distributed Fiber Optic Pipeline Leakage Vibration Temperature and Strain Monitoring System
1. تشخیص نشت خط لوله نفت: با اجرای نظارت بر دما در اطراف کابل های نوری, هدف از تشخیص نشت خط لوله نفت محقق شده است;
2. زنگ هشدار غیرعادی: هنگامی که دمای شناسایی شده از محدوده تعیین شده فراتر رود, یک پیام هشدار ارسال می شود و پیشنهادات عملیاتی ارائه می شود;
3. هشدار دیفرانسیل دما: پارامترهای هشدار از تنظیم دستی پشتیبانی می کنند, سیگنال های هشدار رله خروجی و اطلاعات موقعیت یابی زنگ هشدار, و به هشدار دیفرانسیل دما دست یابید;
4. تنظیم منطقه هشدار: این سیستم می تواند طول و نقاط هشدار منطقه زنگ را به طور کلی برنامه ریزی کند, و می تواند با توجه به وضعیت در محل به طور انعطاف پذیر تنظیم شود;
5. تجزیه و تحلیل داده ها: ذخیره سازی, پرس و جو, و تجزیه و تحلیل داده های تاریخی;
6. دسترسی از راه دور: این سیستم می تواند به اترنت صنعتی متصل شود و داده ها را برای دستیابی به دسترسی از راه دور به سطوح مختلف بخش های مدیریت منتقل کند.
سنسور دمای فیبر نوری, سیستم مانیتورینگ هوشمند, تولید کننده فیبر نوری توزیع شده در چین
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