Method and device for embedding optical fiber sensor in intelligent grid power cable
An optical fiber sensor and power cable technology, applied in the direction of measuring devices, instruments, measuring electricity, etc., can solve the problems such as the inability to accurately reflect the temperature of the conductive wire core, the increase of the voltage level and capacitance of the handover test, and the difficulty of the test equipment. Simple structure, reducing the incidence of accidents, and small size
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[0036] Figure 4 Shown is an embodiment of an optical fiber sensor embedded in a smart grid power cable, which includes two optical fiber sensors 8 , a smart grid power cable 10 , and a data analysis and processing device 11 . Each optical fiber sensor 8 is composed of two optical fiber sensing probes 1, two auxiliary fixtures 2, transmission optical fiber 3, water-blocking ointment 4, a metal sleeve 5, an armor layer 6, and an outer sheath layer 7. The smart grid power cable 10 is composed of two optical fiber sensors 8 and a power cable 9 . The four optical fiber sensing probes 1 of the smart grid power cable 10 are connected to the data analysis and processing device 11 through the transmission optical fiber 3 .
[0037] When the smart grid power cable 10 is in operation, the metal conductor of the conductive core will generate heat, and gradually dissipate heat to the outer layer of the power cable 9, resulting in the loss of the optical fiber sensing probe 1 embedded in ...
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