Mtengenezaji wa DAS iliyosambazwa Fiber Optic Vibration Usalama wa Usalama na Teknolojia ya Ufuatiliaji

The distributed fiber optic all-weather excavation monitoring technology based on DAS has engineering advantages such as high sensitivity (about 10n ε), umbali mrefu wa ufuatiliaji (hadi makumi ya kilomita), usahihi wa nafasi ya juu (katika mita), no need for outdoor power supply, convenient deployment, and strong concealment. By utilizing the backward Rayleigh scattering of light pulses in optical fibers, real-time continuous monitoring of disturbance information on fiber optic links can be achieved. External disturbance signals such as excavation and blasting cause fiber optic deformation by generating soil vibrations, which are then detected by DAS systems. This technology uses distributed quantitative signal demodulation and pattern recognition technology to monitor disturbances along optical fibers online, combined with spatial positioning methods based on array signal processing for disturbance source stereo positioning, ultimately achieving distributed all-weather stereo monitoring.

Pamoja na maendeleo endelevu ya teknolojia ya kuhisi, mahitaji ya watu kwa teknolojia ya sensorer pia yanaongezeka siku baada ya siku. Ni nadra kupata sensorer za vibration ambazo wakati huo huo hukutana na hali ya unyeti wa juu, Gharama ya chini, mchakato rahisi wa maandalizi, na utulivu mzuri. Katika mchakato wa kuhisi na kugundua, usikivu na utulivu ni sababu kuu za ushawishi wa kiufundi, wakati mchakato wa maandalizi na gharama ni mambo muhimu yenye ushawishi katika uzalishaji wa viwanda. Vihisi vya mtetemo vinavyochanganya manufaa haya vinapokea uangalizi na upendeleo unaoongezeka.
Fiber optic vibration Sensing teknolojia ni aina ya teknolojia inayobadilisha sifa za mwanga unaopitishwa katika nyuzi za macho wakati sensor ya fiber optic inapoathiriwa na kuingiliwa kwa nje.. Kwa kutumia vifaa maalum vya kuhisi kukusanya na kuchambua ishara, mabadiliko katika sifa za mwanga yanaweza kugunduliwa, kwa hivyo kugundua mtetemo wa vitu.

Sifa za kiutendaji za Mfumo wa ufuatiliaji wa macho ya macho ya macho

1. Onyesho la kengele la kuona: Provides a visual display interface that maps the position of the Optic ya nyuzi cable to the image through a graphical configuration module. Once an intrusion accident occurs at a certain point, the alarm information is directly displayed on the image, which is visually intuitive.

2. Vibration curve display: The system can display the vibration signal distribution curve of the entire optical cable in real time. When the vibration signal strain is abnormal in a certain area, the real-time information of that area can be displayed through the curve.

3. Partition/graded event alarm: Hutoa njia nyingi za kengele zinazobadilika, and alarm parameters can be set in grades and regions.

4. Historical statistical analysis: Provides statistical analysis of historical vibration data, pamoja na: a The vibration distribution curve of different positions of the optical cable at a certain time b. The vibration change curve of a certain point of the optical cable during a certain period of time.

5. Intelligent pattern recognition: The system can obtain information such as the time, Mahali, and trend of vibration events. By analyzing the vibration waveform and extracting characteristic signals, combined with big data, Kujifunza kwa Mashine, and neural network recognition algorithms, the type of vibration event can be determined, and intrusion events can be warned in advance to ensure operational safety.

Kihisio cha joto la macho ya Fiber, Mfumo wa ufuatiliaji wa akili, Kusambazwa fiber optic mtengenezaji katika China