Ano ang nakabaluti na single-mode na temperatura ng pagsukat ng temperatura

What does armored single-mode temperature measuring optical fiber mean

To enhance the performance of optical fibers, a protective “armor” is added between the coating layer and the core cladding layer to form armored optical fibers. While not affecting the various superior optical properties of the fiber itself, the tensile and compressive strength of the fiber is enhanced, solving problems such as impact resistance, lateral pressure resistance, and rat bite resistance. People have started to coat the fiber bundle with another layer. Fiber optic distributed temperature measurement is widely used in temperature monitoring and fire alarm of facilities such as power, Petrochemical, transportasyon, Mga Gusali, at conservancy ng tubig. The length of high-voltage transmission cables is very long, and any point on the cable that overheats may cause huge economic losses.

The composition of a Ipinamamahaging Fiber Optic Sistema ng pagsukat ng temperatura

The distributed fiber optic temperature measurement system adopts armored fiber optic to prevent various external forces from damaging. The main temperature measurement components include temperature measurement host, lumipat, server, temperature measurement optical cable, and fire controller. The temperature measurement host, lumipat, and server are connected through a communication backbone network. The fire controller is equipped with a relay unit, and the fire controller is connected to the temperature measurement host. The temperature measurement optical cable is connected to the temperature measurement host.

Distributed fiber optic temperature measurement system for mining

Iba't ibang contact, mga busbar, cable joints, and electrical equipment connectors inside mining equipment are prone to poor contact and abnormal plug-in eccentricity. Ito ay hahantong sa labis na paglaban sa pakikipag-ugnay, nagdudulot ng matinding pag-init sa puntong ito sa ilalim ng mataas na agos. Ang resulta ay abnormal na temperatura ng joint, nagpapalala ng contact surface oxidation, karagdagang pagtaas ng contact resistance, pagbuo ng isang mabisyo cycle. Pagkatapos ng isang tiyak na yugto ng pag-unlad, magdudulot ito ng mga seryosong pagkakamali at masisira ang kaligtasan at pagiging maaasahan ng suplay ng kuryente. Ito ang pangunahing anyo ng fault sa high-voltage switchgear. Samakatuwid, real-time na pagsubaybay sa temperatura ng mga contact point, napapanahong pagtuklas ng mga hot spot sa loob ng switchgear, at ang maagang hula at alarma ng mga pagkakamali ay lubhang mahalaga para matiyak ang kaligtasan ng buhay at ari-arian.

Ang prinsipyo ng ipinamahagi na sistema ng pagsukat ng temperatura ng fiber optic

One of the temperature measurement techniques, which is based on Raman scattering and optical time-domain reflection technology, can achieve the measurement of temperature and distance. Sa partikular, Raman reflection is based on the temperature effect of backward Raman scattering spectra generated during the propagation of light in optical fibers. Kapag ang insidente light quantum ay bumangga sa mga materyal na molekula sa hibla, nababanat at hindi nababanat ang mga banggaan. Kapag nangyari ang nababanat na banggaan, walang palitan ng enerhiya sa pagitan ng light quantum at ng mga materyal na molekula, at ang dalas ng light quantum ay hindi nagbabago sa anumang paraan, na nagreresulta sa Rayleigh na nagkakalat ng liwanag na nagpapanatili ng parehong wavelength gaya ng liwanag ng insidente; Sa hindi nababanat na banggaan, nagaganap ang pagpapalitan ng enerhiya, and photons can release or absorb phonons, resulting in the production of a longer wavelength Stokes silk light and a shorter wavelength Stokes light. Dahil sa sensitivity ng anti Stokes light to temperature, ginagamit ng system ang Stokes optical channel bilang reference channel at ang anti Stokes optical channel bilang signal channel. The ratio of the two can eliminate non temperature factors such as light source signal shifting and fiber bending, pagkamit ng koleksyon ng impormasyon sa temperatura. The principle of fiber optic temperature measurement is based on the backward Raman scattering effect.

Sensor ng temperatura ng fiber optic, Intelligent na sistema ng pagsubaybay, Ibinahagi ang fiber optic na tagagawa sa China