Fiber optic temperature measurement host

Abstract

The present invention provides an optical fiber temperature measuring host, which uses an optical fiber probe to couple to the connector in the high-voltage switch cabinet to obtain corresponding temperature information and stores it in an optical signal, and uses an optical signal acquisition module to perform photoelectric processing on the optical signal. The temperature information is converted and sampled from it, and a display module is also integrated in the above-mentioned fiber optic temperature measurement host to display the obtained temperature information in detail to monitor these temperatures. Applying optical fiber measurement to the measurement of high-voltage switchgear can resist electromagnetic interference, corrosion, and lightning strikes, and can work in harsh environments, and the display module is integrated into the temperature measurement host so that the temperature measurement host can operate independently without relying on the outside display screen.

Description

technical field [0001] The invention relates to the technical field of optical fiber sensing, in particular to an optical fiber temperature measuring host suitable for high-voltage switch cabinets. Background technique [0002] Various contacts, busbars, cable joints and connectors of electrical equipment inside the high-voltage switchgear are prone to poor contact and abnormal plug-in eccentricity. This will cause the contact resistance to be too large, and the heat will be serious under high current. Failure, destroying the safety and reliability of power supply, this is the main failure form of high-voltage switchgear. Therefore, real-time temperature monitoring of the contact head, timely detection of hot spots in the switch cabinet, and early prediction and alarm of faults are extremely important for ensuring the safety of life and property. [0003] At present, more traditional temperature measurement technologies include wireless temperature measurement technology, ...

AI Technical Summary

Problems solved by technology

Since both wireless temperature measurement and infrared temperature measurement technologies use electronic sensors as on-site sensing units, the on-site sensors are charged and are easily affected by strong magnetic fields and high voltages, and are prone to aging after long-term work, bringing safety hazards to equipment

[0004] Optical fiber temperature measurement technology can avoid the above problems, but the current optical fiber temperature measurement mainly uses optical cables, which cannot measure the temperature of specific contacts and can only be used for long-distance temperature measurement

Therefore, it is not suitable for short-distance and temperature measurement of specific contacts such as high-voltage switchgear

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