Pathway Isolation Fitting for Fiber Trough Load Protection
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Solution Overview
Problem
Optical fibers are susceptible to damage from external loads, particularly when copper cables are positioned on top of them in troughs, causing undesirable bending and potential damage due to the weight of thick or large numbers of copper cables.
Innovation Solution
A pathway isolation fitting is designed to be mounted to the sidewall of a fiber trough system, isolating the routing paths of copper cables from optical fibers, allowing for customizable placement and easy installation without requiring separate fasteners, and is made from rigid materials to minimize contact with the bottom surface of the trough.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If copper cables are positioned on top of optical fibers in the trough, then cable management is simplified, but the optical fibers are damaged or bent due to the weight of copper cables
Solution Approach 1:
The fitting divides the trough into separate compartments, isolating copper cables from optical fibers. The fitting includes a first compartment for copper cables and a second compartment for optical fibers, preventing the copper cables from contacting and damaging the optical fibers while maintaining organized cable management.
Solution Approach 2:
The fitting acts as an intermediary structure mounted in the trough that creates physical separation between copper cables and optical fibers. By introducing this intermediate component, the harmful contact between copper cables and optical fibers is prevented while maintaining efficient routing for both cable types.
2Reliability
If multiple fittings are installed at intervals along the trough, then cable isolation is improved, but the device complexity and number of components increases
Solution Approach 1:
The fitting is designed as a universal component that can be mounted at multiple positions along the trough and serves the same isolation function at each location. The standardized design allows for consistent cable separation throughout the trough system while simplifying installation and maintenance procedures.
3Strength
If the fitting is made rigid to maintain structural integrity, then cable support is improved, but the fitting may contact the bottom surface of the trough causing interference
Solution Approach 1:
The fitting is designed with a specific height dimension that positions it above the bottom surface of the trough. By carefully selecting the fitting height, structural integrity is maintained while preventing contact with the trough bottom, allowing optical fibers to pass freely underneath without interference.
Data Source
AI summary
A fitting for a fiber trough. The fitting includes a bottom cable support surface and a pair of opposite side walls extending from the bottom cable support surface that define a channel. The fitting is mounted to a fiber trough so that the channel is positioned within another channel defined by the fiber trough, isolating a cable routing path defined by the fitting channel from a cable routing path defined by the trough channel.