Optical Fiber Guiding Connector with Ventilation Recess
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Solution Overview
Problem
Conventional guiding connectors for optical fiber cables face challenges in achieving precise alignment and high yield rates due to blind holes and small diameter differences, leading to gas entrapment and bubbles, which result in extended processing times and reduced assembly precision.
Innovation Solution
The guiding connector features an accommodating hole with an expansion section and a positioning section, including a ventilative recess that allows gas discharge, ensuring precise and rapid optical fiber alignment and assembly by communicating with the positioning section to eliminate gas pressure resistance and bubbles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the accommodating hole is designed as a blind hole with a positioning section having a small diameter difference (0.0-0.5 micrometer) to the outer diameter of the optical fiber cable, then the alignment precision of the optical fiber cable is improved, but gas entrapment and bubble formation occur during assembly
Solution Approach 1:
The accommodating hole is segmented into multiple sections: an expansion section with a large diameter for easy insertion, a guiding section with tapered ends for directional guidance, and a positioning section with a small diameter for precise alignment. This segmentation allows each section to perform its specific function optimally while avoiding gas entrapment through the expansion section's larger opening
Solution Approach 2:
The harmful gas and bubbles are extracted from the positioning section through the expansion section. The expansion section's large diameter serves as an extraction path, allowing gas and bubbles to escape during the assembly process, thereby eliminating the harmful effect of gas entrapment while maintaining the precision of the positioning section
2Manufacturing precision
If the optical fiber cable is inserted into the positioning section with glue applied, then the assembly precision is improved, but the processing time is extended due to re-alignment needs
Solution Approach 1:
The expansion section and guiding section perform preliminary actions by facilitating easy insertion and directional guidance of the optical fiber cable before it reaches the positioning section. This preliminary action ensures that the cable is correctly positioned and oriented before final alignment, reducing the need for re-alignment and extending processing time
3Manufacturing precision
If the positioning section has a tiny diameter difference (0.0-0.5 micrometer) to achieve precise alignment, then the alignment precision is improved, but the yield rate is reduced due to bubble formation
Solution Approach 1:
The accommodating hole is divided into expansion section, guiding section, and positioning section. The expansion section's large diameter prevents bubble formation, while the positioning section's small diameter ensures precise alignment. This segmentation resolves the contradiction by allowing both large opening (for yield) and small positioning diameter (for precision) to coexist in different sections
Solution Approach 2:
Bubbles are extracted from the positioning section through the expansion section during assembly. The expansion section acts as an extraction path for bubbles, eliminating the harmful effect that would reduce yield rate, while the positioning section maintains its tiny diameter difference for precise alignment
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design enhances the yield rate and reduces processing time, achieving a high yield rate and lower transmission loss, with the optical fiber aligning straightly and precisely, thus reducing re-processing needs and examination costs.
Implementation Method 1
At least one ventilative recess is defined on the at least one side face at the first end to communicate with the positioning section of each accommodating hole to form a ventilative portion
Data Source
AI summary
A guiding connector for optical fiber extension has a positioning section in the accommodating hole to receive a optical fiber and has a ventilative recess defined on one side to communicate with the positioning section of the accommodating hole. The positioning section adjacent to the ventilative recess achieves a ventilative portion to discharge gas inside the positioning section so that optical fibers are assembled and processed precisely and rapidly.