Power-Over-Fiber Lid With Wavelength Conversion Feed Light Indication
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Solution Overview
Problem
Invisible light-based optical power supply systems pose a risk of accidents as users cannot easily detect the release of feed light, which can lead to injuries when handling optical fibers or modules without awareness of the light emission.
Innovation Solution
A power over fiber system incorporating a semiconductor laser for generating feed light, an optical fiber for transmission, and a photoelectric conversion element for converting light into electric power, along with an openable/closable or attachable/detachable lid member made of wavelength conversion material that converts invisible feed light into visible light, allowing users to visually detect its output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If invisible light is used as feed light for optical power supply, then transmission of higher energy light is achieved, but users cannot easily determine whether the feed light is being released to the outside
Solution Approach 1:
The patent applies wavelength conversion material that converts the invisible feed light wavelength into visible light wavelength, enabling users to visually detect the presence of feed light while maintaining the use of high-energy invisible light for power transmission
Solution Approach 2:
The wavelength conversion material acts as an intermediary between the invisible feed light and human vision, converting the invisible light into visible light so users can detect feed light release without changing the feed light itself
2Power
If high-power laser is used for optical power supply, then higher energy transmission is achieved, but injuries or accidents may occur to users handling optical fiber without being aware of feed light release
Solution Approach 1:
The wavelength conversion material provides visual feedback about feed light presence, allowing users to immediately know when high-power feed light is being released, thereby preventing accidental exposure and injuries
Solution Approach 2:
By converting invisible high-power feed light into visible light through wavelength conversion material, users can visually detect the presence of dangerous high-power light, enabling safe handling of optical components
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 effectively prevents accidents by enabling early detection of feed light emission, ensuring user safety while maintaining high optical power supply efficiency through the use of semiconductors with high photoelectric conversion efficiency.
Implementation Method 1
a semiconductor laser that oscillates with electric power, thereby outputting feed light
Implementation Method 2
a photoelectric conversion element that converts the feed light output by the power sourcing equipment into electric power
Implementation Method 3
at least part of a light receiving portion of the lid member, the light receiving portion receiving the feed light, is made of a wavelength conversion material that converts a wavelength of the feed light into a wavelength of visible light
Data Source
AI summary
A power over fiber system includes a power sourcing equipment, a powered device, an optical fiber cable and an openable/closeable or attachable/detachable lid member. The power sourcing equipment includes a semiconductor laser that oscillates with electric power, thereby outputting feed light. The powered device includes a photoelectric conversion element that converts the feed light output by the power sourcing equipment into electric power. The optical fiber cable transmits the feed light from the power sourcing equipment to the powered device. The feed light is invisible light. The lid member covers an outgoing portion from which the feed light goes out. At least part of a light receiving portion of the lid member, the light receiving portion receiving the feed light, is made of a wavelength conversion material that converts a wavelength of the feed light into a wavelength of visible light.