Multi-ferrule Optical Fiber Cable Assembly Staggered Ferrules
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The challenge lies in minimizing the size of multi-ferrule optical fiber cable assemblies while maintaining a manageable manufacturing and assembly process, particularly when dealing with multiple optical fibers arranged in parallel rows or side-by-side arrays, which complicates the assembly due to decreased flexibility and increased complexity.
Innovation Solution
The optical fiber cable assembly incorporates a flexible corrugated conduit and a ferrule support comb to securely interconnect and align multiple optical fiber ribbons, allowing for a compact design by staggering ferrule assemblies to fit through a smaller conduit, thereby simplifying the assembly process and reducing size constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If multiple optical fibers are arranged in parallel rows or side-by-side arrays to minimize cable size, then the cable assembly size is reduced, but the manufacturing and assembly process becomes more complex and less flexible
Solution Approach 1:
The optical fiber cable is segmented into multiple planar ribbons, each containing a specific number of fibers arranged in organized rows. This segmentation allows the complex multi-fiber assembly to be broken down into manageable ribbon units that can be independently handled and connected through ferrules, reducing overall assembly complexity while achieving compact size.
Solution Approach 2:
Multiple optical fiber ribbons are nested within ferrule assemblies, with each ferrule containing and organizing specific ribbon segments. This nesting structure allows dense packing of multiple fibers in a compact arrangement while maintaining systematic organization that simplifies the connection and assembly process.
2Volume of moving object
If multiple optical fibers are arranged in parallel rows or side-by-side arrays to minimize cable size, then the cable assembly size is reduced, but the flexibility of the assembly decreases
Solution Approach 1:
The optical fiber ribbons are constructed with flexible support structures that allow the assembled cable to bend and flex while maintaining the organized parallel arrangement of fibers. This flexibility is achieved through the ribbon construction method that allows controlled deformation without damaging the fiber alignment or connections.
Solution Approach 2:
The cable assembly incorporates dynamic flexibility by allowing the ferrule assemblies and ribbons to move relative to each other within certain limits, enabling the cable to adapt to installation requirements while maintaining the compact multi-fiber configuration. The strain relief features provide dynamic adjustment capability.
3Volume of moving object
If ferrule assemblies are staggered to fit through a smaller conduit, then the cable assembly size is minimized, but the alignment and connection process becomes more difficult
Solution Approach 1:
The ferrule assemblies are arranged in an asymmetric staggered pattern rather than a symmetric grid, allowing optimization of the conduit passage path. This asymmetric arrangement fits through smaller conduits by错层 positioning while incorporating alignment features that maintain manufacturing precision despite the irregular configuration.
Solution Approach 2:
Alignment features and guide structures act as intermediaries between the staggered ferrule assemblies, ensuring precise positioning and connection even in the compact staggered arrangement. These intermediary elements facilitate accurate alignment without requiring complex manual adjustment procedures.
Data Source
AI summary
An optical fiber cable assembly includes an optical fiber cable, an optical fiber connector, and a strain relief member. The optical fiber connector has a housing with at least two ferrules supporting a plurality of optical fibers of the cable. Each ferrule has at least two ribbons of optical fibers therein. The strain relief member has a flexible corrugated conduit. A method is also disclosed.