Replaceable Ferrule Coupler for OTDR Connector Wear
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Solution Overview
Problem
Conventional test equipment for fiber optic networks, such as OTDRs, face significant challenges due to damage to internal ferrules from repeated engagement with external fiber optic connectors, necessitating costly and inconvenient repairs or replacements, which are time-consuming and labor-intensive.
Innovation Solution
A coupler with a replaceable ferrule design that allows for easy manual replacement of damaged ferrules, minimizing the need for costly repairs or replacements of entire devices, and ensuring the internal ferrule of the test equipment remains undamaged.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the internal ferrule of test equipment is repeatedly engaged with external fiber optic connectors, then the test device can perform multiple testing operations, but the internal ferrule becomes damaged requiring costly and time-consuming repairs or replacements
Solution Approach 1:
The coupler is divided into two distinct segments: a reusable body (containing the internal ferrule) and a replaceable portion (containing an external ferrule). This segmentation allows the vulnerable external ferrule to be replaced without damaging the internal ferrule, resolving the contradiction between repeated use and ferrule integrity.
Solution Approach 2:
The replaceable portion of the coupler is designed as a disposable or easily replaceable component that absorbs wear and damage from repeated connector engagements. When damaged, only this inexpensive portion needs replacement rather than the entire coupler or internal ferrule, maintaining productivity while protecting reliability.
2Reliability
If the entire test device or internal ferrule is replaced when damage occurs, then reliability is restored, but labor and time costs increase significantly
Solution Approach 1:
By segmenting the coupler into reusable and replaceable portions, the invention enables targeted replacement of only the damaged external ferrule rather than replacing the entire internal ferrule or test device, thus restoring reliability quickly with minimal time loss.
Solution Approach 2:
The external ferrule is extracted as a separate replaceable component from the main coupler body. This extraction allows the damaged portion to be removed and replaced independently, avoiding the need to replace the entire test device and significantly reducing repair time and labor costs.
3Reliability
If a protective coupler is used between the internal ferrule and external connectors, then the internal ferrule is protected from damage, but the overall device complexity increases
Solution Approach 1:
The coupler is segmented into a simple reusable body and a replaceable portion, creating a straightforward protective structure that doesn't significantly increase overall device complexity while effectively protecting the internal ferrule through the replaceable design.
Solution Approach 2:
The reusable body of the coupler serves multiple functions: it protects the internal ferrule, provides a mounting structure for the replaceable portion, and enables repeated connector engagements. This multi-functionality justifies the added structural element without proportionally increasing complexity.
Data Source
AI summary
An apparatus relating to a coupler comprising: a body comprising: a first end couplable to an external connector comprising an external ferrule, a second end couplable to an internal connector, comprising an internal ferrule, of a test device, and a cavity; and a first replaceable portion comprising a replaceable ferrule, the first replaceable portion positioned in the cavity and manually replaceable with a second replaceable portion.