Composite tape for ultra-high voltage anticorrosion coating and ultra-high voltage cable

By using multi-layer composite tape in ultra-high voltage cables, the production process is simplified, equipment investment and energy consumption are reduced, the problem that traditional anti-corrosion layers cannot meet the new standards is solved, and high-efficiency anti-corrosion performance and construction efficiency are achieved.

CN224377954UActive Publication Date: 2026-06-19齐禹童
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
齐禹童
Filing Date
2025-07-16
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing anti-corrosion materials for ultra-high voltage cables cannot meet the requirements of the new standards. Hot melt adhesive coating processes are complex, energy-intensive, and require significant equipment investment, leading to increased production costs and low construction efficiency.

Method used

A composite tape consisting of a polyester anti-adhesive layer, a hot melt adhesive layer, a support layer, and an adhesive layer is used. It is applied between the corrugated aluminum sheath layer and the outer sheath layer through wrapping or longitudinal wrapping processes to form a multi-layered anti-corrosion layer with functional structure, which simplifies the production process and reduces equipment investment.

Benefits of technology

Standardized production of anti-corrosion coatings has been achieved, reducing energy consumption and equipment investment, meeting the testing requirements of new standards, and improving anti-corrosion performance and construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a composite tape for ultra-high voltage (UHV) anti-corrosion layer and an UHV cable. The composite tape is disposed between the corrugated aluminum sheath layer and the outer sheath layer of the UHV cable, and is composed of a polyester release layer, a hot melt adhesive layer, a support layer, and an adhesive layer arranged sequentially from top to bottom. The UHV cable includes the aforementioned composite tape, which is disposed between the corrugated aluminum sheath layer and the outer sheath layer using a wrapping or longitudinal wrapping process. This invention, by using a composite tape with a multi-layered functional structure, forms a reliable anti-corrosion layer between the corrugated aluminum sheath layer and the outer sheath layer of the UHV cable, effectively improving the anti-corrosion performance of the UHV cable, simplifying the cable production process, reducing equipment investment costs, and meeting the testing requirements of the new standards for UHV cables.
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