switchgear ng power equipment, sistema ng pagsubaybay sa pangunahing yunit ng singsing, aparato sa pagsukat ng temperatura ng fluorescent fiber, fluorescent fiber-INNO

By utilizing the single value correspondence between the afterglow lifetime and temperature of rare earth fluorescent materials, the temperature signal is converted into an optical lifetime signal for measurement. After being irradiated with light of a specific wavelength, fluorescent substances emit fluorescence when electrons transition from a low energy level to an excited state at a high energy level, and then return to a low energy level. After the excitation stops, the fluorescence decays exponentially, and its decay time constant is temperature dependent. By measuring the decay time, i.e. the fluorescence lifetime, the temperature at the measurement point can be obtained.
system composition
Fluorescent fiber optic (kabilang ang sensing head): converts the temperature information of the monitoring part of the temperature probe into an optical signal and transmits it to the fiber optic temperature transmitter. The probe size is small and can be directly installed on the measured point, with accurate temperature measurement and rapid response. Tail fiber is soft and sturdy, with advantages such as high transmission bandwidth, stable signal, anti electromagnetic interference, anti bending, high impact strength, and fast connection. The tail fiber sheath material is usually polytetrafluoroethylene, which can adapt to harsh environments such as high pressure, mataas na temperatura, at malakas na electromagnetic field.

switchgear ng power equipment, sistema ng pagsubaybay sa pangunahing yunit ng singsing, aparato sa pagsukat ng temperatura ng fluorescent fiber, fluorescent fiber
Fiber optic temperature transmitter: Connected to fluorescent fiber optic through an ST connector, tumatanggap ito ng mga real-time na optical signal na nagdadala ng impormasyon sa temperatura mula sa mga fiber optic na sensor at idini-demodulate ang mga ito sa mga halaga ng temperatura upang makamit ang pagsukat ng temperatura ng sinusubaybayang lugar. Ang bawat fiber optic transmitter ay maaaring konektado sa maraming fluorescent fibers.
Software ng komunikasyon at header: Fluorescent fiber optic communication software ay ginagamit upang makamit ang komunikasyon sa itaas na computer, at maaaring magsagawa ng mga function tulad ng paghahatid ng data, imbakan, at pagsusuri. Ang pinuno ng sistema ng pagsukat ng temperatura ng fiber optic ay nangongolekta ng impormasyon sa temperatura na ipinadala ng transmitter sa pamamagitan ng RS485, at ipinapakita ang temperatura ng bawat probe sa real time. Ito ay karaniwang naka-embed at may user-friendly na pakikipag-ugnayan sa interface ng tao-machine.
kalamangan
Malakas na anti-interference na kakayahan: purong optical sensing, angkop para sa mga substation ng MRI、 The microwave cavity and other strong electromagnetic fields have natural immunity, no zero drift, no false alarms, and can work stably in high voltage and strong electromagnetic environments.
Good high-voltage insulation performance: Quartz fiber optic can withstand voltage>100kV and can be directly tied to the surface of 500kV transformer windings, GIS contacts or busbars to achieve “live zero distance” hot spot monitoring without reducing the insulation level of the equipment.
Calibration free, pangmatagalang katatagan: Temperature is only related to fluorescence lifetime and is not related to light intensity, connector attenuation, or fiber bending. It does not require recalibration after 10-25 years of installation, reducing maintenance costs and workload.
Miniature size, easy to embed: The probe has a small diameter and can be inserted into narrow areas such as switch cabinet plum blossom contact fingers, cable joint gaps, dry-type transformer air ducts, atbp. It does not disturb the thermal field of the measured object and can achieve accurate measurement.
Wide range and high precision: The standard range is -40 ℃ -+200 ℃, and special models can reach+260 ℃. The resolution is 0.1 ℃, and the accuracy is ± 0.5 ℃ – ± 1 ℃, which can meet the temperature measurement needs in different scenarios.
Corrosion resistance and long life: Full quartz+PTFE sheath, resistant to oil, acid and alkali, pagtanda, with a lifespan of ≥ 25 years and the lowest total lifecycle cost.
Multi channel and intelligent networking: One host can carry 1-32 fiber optic cables and support communication protocols such as RS-485/Modbus, 4-20mA, dry contacts, IEC-61850, atbp. It can seamlessly connect to SCADA, NBIoT, cloud platforms, and achieve 24/7 maagang babala.
Mga sitwasyon ng aplikasyon
Pagsubaybay sa switchgear: Real time temperature monitoring can be performed on the dynamic and static contacts, mga busbar, mga switch ng kutsilyo, and other parts inside the switchgear to promptly detect potential overheating hazards and avoid equipment damage and power outages caused by overheating.
Monitoring of ring main unit: used for temperature monitoring of cable joints, switch contacts and other parts inside the ring main unit, ensuring the safe and stable operation of the ring main unit.
Other power equipment monitoring: It can also be applied to temperature monitoring of internal windings, mga reaktor, motor rotors, stators and other power equipment in oil immersed transformers, providing reliable basis for equipment status maintenance and fault prediction.