A multi-core Mini optical cable optical fiber excess length control and stabilization system and method

By designing a fiber-length control and stability system for multi-core Mini optical cables, the fiber-length control module and the fiber-length stabilization module are used, and the fiber-length stability module is combined with the cooling water device, the problem of difficult fiber-length control is solved, and the fiber-length stability control is achieved and the fiber-length reduction is reduced.

CN119159771BActive Publication Date: 2025-03-18SHENZHEN SDGI OPTICAL NETWORK TECH +2
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Patent Information

Application Number
CN202411659448.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-03-18
Estimated Expiration
2044-11-20

AI Technical Summary

Technical Problem

The existing multi-core Mini optical cable production line cannot effectively control the residual length of the optical fiber, resulting in a low pass rate of the product after the cable is formed, and the optical fiber is prone to additional attenuation and damage.

Method used

A multi-core Mini optical cable fiber optic fiber control and stability system is designed, including a residual length control module and a residual length stabilization module. The excess length control module adjusts the fiber excess length through the excess length wheel and the split guide wheel group, and the excess length stabilization module locks the optical fiber excess length state through the wire ring, and combines the cooling water device to reduce the sheath shrinkage, and controls the optical fiber excess length in a reasonable negative value range.

Benefits of technology

Effectively control the excess length of optical fiber, reduce fiber attenuation, improve the pass rate of cable-forming products, and avoid fiber damage.

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Abstract

The present invention relates to the field of optical fiber excess length control, and in particular to a multi-core Mini optical cable optical fiber excess length control and stabilization system and method. It comprises: an excess length control module and an excess length stabilization module, wherein the excess length control module is used to adjust the excess length, and the excess length stabilization module is used to keep the excess length stable. In the present invention, the excess length control module can control the relative length of the excess length of the optical fiber in the sheath according to the number of winding circles through a branching guide wheel group composed of an excess length wheel and a plurality of guide wheels, so as to achieve the function of controlling the excess length of the optical fiber. After controlling the relative excess length of the optical fiber, an excess length stabilization module is installed on the take-up device of the optical cable, and the optical cable is taken into the reel in a stable take-up state through the module, so as to continuously take up the optical fiber in a stable state of excess length. In addition, the excess length stabilization module can further release the stress on the optical fiber during the production process. The excess length of the optical fiber is further stably controlled to improve the qualified rate of the product after cabling.
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