Optical Connector Engagement Detection via Dual Light Paths
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Solution Overview
Problem
In complex optical systems, determining the state of engagement of optical connectors is challenging due to issues like vibration and disengagement, making it difficult to identify the cause and location of signal interruptions, especially in systems with many connectors.
Innovation Solution
A detection system comprising a detection-light source and a light sensor, where the light source emits detection light, and the sensor generates a signal proportional to the light received, allowing the system to determine the engagement state and identify faults by varying light blockage when the connector is engaged or disengaged.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If optical connectors are used in complex systems, then the system can handle more optical signals, but it becomes difficult to determine the state of engagement and locate faults
Solution Approach 1:
The patent divides the optical connector into separate detectable components by implementing distinct optical paths: one path through the connector body to detect engagement state, and another path through the ferrule to detect connector presence. This segmentation allows independent monitoring of different engagement aspects, making fault location possible in complex systems with many connectors.
2Measurement precision
If a detection system uses complete light blockage to detect engagement, then engagement state can be detected, but false positives cannot be distinguished from actual disengagement
Solution Approach 1:
The patent adds a spatial dimension to detection by implementing two separate detection paths: one through the connector body and another through the ferrule. By monitoring light transmission in multiple dimensions rather than relying on a single complete blockage detection, the system can distinguish between partial engagement (one path blocked) and complete disengagement (both paths blocked), eliminating false positives.
3Measurement precision
If hazardous light sources are used, then detection sensitivity can be improved, but safety risks increase
Solution Approach 1:
The patent implements partial detection by monitoring light transmission through specific portions of the connector (body and ferrule) rather than requiring complete light paths. This allows the use of lower-power, safer light sources while still achieving sufficient detection sensitivity by monitoring multiple partial paths, thereby reducing safety risks while maintaining measurement precision.
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
The system provides fail-safe operation by ensuring continuous detection of light when engaged, distinguishing between engagement states and faults, preventing false positives and ensuring safe operation of potentially hazardous light sources.
Implementation Method 1
a light sensor fixed relative to each of the connector receiver and the detection-light source, the light sensor designed and configured to detect light of the detection light when the system is operating and to generate an output signal that is proportional to an amount of light reaching the light sensor
Data Source
AI summary
A connector-engagement-state detection system for detecting states of engagement of a connector with a connector receiver and for detecting one or more fault states within the detection system itself so as to prevent false engagement state information. In some embodiments, the detection system includes a light source that emits detection light and a light sensor that detects the detection light. The connector-receiver and/or connector are configured, and the light source and the light sensor are located relative to one another so that some of the detection light reaches the sensor regardless of whether or not the connector is fully engaged with the connector-receiver. This arrangement allows for the determination of one or more faults within the detection system itself, such as a faulty light source or faulty detector.