Elevator accompanying flat cable

By adopting halogen-free low-smoke crosslinked polyolefin flame retardant material and composite conductor structure, the problems of easy twisting and breaking of elevator cables and signal distortion are solved, efficient signal transmission and anti-interference ability are achieved, and production costs and environmental pollution are reduced.

CN223273050UActive Publication Date: 2025-08-26ELECTRICITY FACILITIES GUANGRI GUANGZHOU CO LTD
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Patent Information

Application Number
CN202422378304.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-08-26
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

The existing elevator accompanying cable signal lines are easily distorted or broken, which cannot meet the transmission needs of elevator communication signals, and are easily disturbed by external interference, resulting in signal distortion.

Method used

The flat outer protective layer, control unit and communication unit made of halogen-free low-smoke crosslinked polyolefin flame retardant materials include a symmetrically arranged control line group and communication line group. Combined with aerospace wire rope, a composite conductor structure is formed to enhance bending resistance and anti-interference performance.

Benefits of technology

It improves the bending resistance of the elevator cable, reduces signal distortion, ensures the stability and integrity of signal transmission, and reduces production costs and environmental pollution risks.

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Abstract

The utility model discloses an elevator accompanying flat cable which comprises a flat outer protection layer used for wrapping components horizontally placed in the elevator accompanying flat cable. The control unit comprises control wire groups which are horizontally arranged on the left side and the right side of the interior of the flat outer protection layer in parallel and are symmetrical, and each control wire group comprises a central elastic filling strip and insulating wire cores which surround the periphery of the filling strip and are arranged in a twisted mode; the communication unit comprises symmetrical communication wire groups which are horizontally arranged in the middle of the flat outer protection layer in parallel, each communication wire group comprises two video wires, a communication optical cable, a drainage wire, a shielding layer and an inner protection layer, the video wires, the communication optical cables and the drainage wires which are twisted are wrapped by the shielding layers, and the inner protection layers are extruded on the outer surfaces of the shielding layers; the steel wire ropes are symmetrically arranged on two sides of the communication unit. The communication line group is simple in structure and easy to produce and manufacture, improves the anti-interference capability of the communication line group, reduces signal distortion, and improves the bending resistance and fracture resistance of the traveling cable.
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