Modular Optical Fiber Furcation Assembly Design
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Solution Overview
Problem
The existing furcation kits for fiber optic cables are difficult to use due to the close proximity of conduits, leading to fiber pinching, breakage, and attenuation during installation, as well as the complexity of handling multiple fibers simultaneously.
Innovation Solution
A modular furcation assembly with a single row or column of conduits and attachment structures for stacking, allowing fibers to be inserted in a line without bending or pinching, reducing the number of fibers handled at once and enabling easier installation, with the option to replace individual modules rather than the entire fan-out in case of breakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple fibers are handled simultaneously in existing furcation kits, then fiber installation can be completed, but fiber pinching and breakage occur due to close conduit proximity
Solution Approach 1:
The furcation body is divided into multiple modular units, each containing a limited number of conduits arranged in a single row or column. This segmentation reduces the number of fibers handled simultaneously and increases the working space around each fiber, preventing pinching and breakage while maintaining installation efficiency.
2Quantity of substance
If conduits are arranged in close proximity to accommodate multiple fibers, then fiber capacity is increased, but fiber pinching and breakage occur during installation
Solution Approach 1:
Conduits are arranged in a single row or column configuration rather than a grid pattern, creating linear spacing that provides adequate working space around each fiber. This dimensional arrangement allows multiple fibers to be accommodated while maintaining ease of insertion and reducing installation difficulty.
3Productivity
If a complete fan-out assembly is used, then all fibers can be terminated, but replacement becomes complex if breakage occurs
Solution Approach 1:
The furcation body is designed as modular units that can be stacked and connected. If breakage or defects occur, individual modules can be replaced independently rather than replacing the entire fan-out assembly, significantly reducing repair complexity while maintaining termination efficiency through the modular stacking configuration.
4Manufacturing precision
If fibers are inserted individually through tightly spaced conduits, then precise fiber placement is achieved, but installation time increases and breakage risk increases
Solution Approach 1:
By dividing the furcation body into modular units with single row or column conduit arrangements, fibers can be inserted in an organized sequence with adequate space for each insertion action. This maintains precise fiber placement while reducing installation time compared to working with tightly spaced conduits in a compact configuration.
Data Source
AI summary
The present disclosure describes apparatuses and methods for separating and installing optical fibers into furcation tubing. A modular fiber optic furcation assembly can include one or more furcation bodies, each comprising a plurality of parallel conduits oriented in a single plane and extending from a first face of the furcation body to an opposing second face of the furcation body; and an attachment mechanism to removably attach the furcation body to at least one additional furcation body on a face orthogonal to each of the first face and second face of the fan-out structure.