Optical fiber distributed temperature measurement medium voltage frequency conversion cable and manufacturing method thereof

CN115274201BActive Publication Date: 2025-08-29ZHEJIANG CHENGUANG CABLE CO LTD
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Patent Information

Application Number
CN202210853306.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-08
Publication Date
2025-08-29
Estimated Expiration
2042-07-08

AI Technical Summary

Technical Problem

In the prior art, detection optical fibers are susceptible to deformation or damage caused by extrusion and collision of cable production processes when installed inside the cable, affecting the detection quality.

Method used

The fiber temperature measurement band is adopted, including the temperature measurement fiber embedded in the copper wire cloth, the fiber temperature measurement band is protected by the copper wire cloth, the fiber temperature measurement band is protected by the outer sheath, the outer wire layer, the middle wire layer and the inner wire layer of the copper wire cloth are set to buffer stress, and the metal shielding layer limits and reinforces the fiber temperature measurement band.

Benefits of technology

Effectively protect optical fibers from or reduce damage caused by extrusion collisions, ensure the detection quality of optical fibers, and improve the durability and reliability of optical fiber distributed temperature measurement cables.

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Abstract

The present application relates to the technical field of cable preparation, and in particular to a medium-voltage variable-frequency optical fiber distributed temperature measurement cable and a method for manufacturing the same. The cable comprises a cable core and an outer sheath, the outer sheath being disposed over the cable core, an optical fiber temperature measurement tape being disposed between the outer sheath and the cable core, the optical fiber temperature measurement tape comprising a copper wire cloth disposed between the outer sheath and the cable core, and a plurality of temperature measurement optical fibers embedded within the copper wire cloth. The present application reduces damage to the temperature measurement optical fibers when they are embedded within the cable.
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Citation Information

Patent Citations

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