HINS LED Operational Status Indicator via Intermediary Feedback
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Solution Overview
Problem
High Intensity Narrow Spectrum (HINS) lighting systems, which use LEDs emitting light within a wavelength of 400 nm to 440 nm for disinfection, are not visible to the human eye, making it difficult for users to determine if the light is operating correctly or if it needs replacement.
Innovation Solution
A lighting system with a controller that compares operational characteristics of HINS LEDs to predetermined thresholds, outputs signals for correct operation, and provides visual, audible, or electronic indicators to notify users of operational status and potential replacement needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If HINS LEDs emitting at 400-440 nm are used for disinfection, then disinfection effectiveness is improved, but visibility to human eye deteriorates (making it difficult to determine operational status)
Solution Approach 1:
A visual indicator LED is introduced as an intermediary element that translates the operational status of the invisible HINS LED into visible light signals. The indicator LED receives electrical signals from the HINS LED driver and converts them into visible wavelengths, serving as a mediator between the ultraviolet disinfection source and human observation capabilities.
Solution Approach 2:
The system utilizes color changes in the indicator LED to communicate different operational states of the HINS LED. Different colors (e.g., green for normal operation, yellow for warning, red for failure) are employed to convey operational status, replacing the need for direct visual observation of the invisible HINS light.
2Reliability
If HINS LEDs operate at wavelengths not visible to human eye, then disinfection capability is improved, but user awareness of operational status deteriorates
Solution Approach 1:
The visual indicator LED provides real-time feedback about the operational status of the HINS LED to the user. When the HINS LED is functioning correctly, the indicator displays a corresponding visual signal; when it fails or operates abnormally, the indicator changes to alert the user, thus preventing information loss about system status.
Solution Approach 2:
The indicator LED acts as an information intermediary that translates invisible operational parameters of the HINS LED into visible visual cues, ensuring users receive accurate information about system status without direct exposure to or visibility of the ultraviolet light itself.
3Measurement precision
If HINS LEDs are used for effective disinfection, then disinfection dosage accuracy is improved, but monitoring of light operation deteriorates
Solution Approach 1:
The visual indicator provides immediate feedback about the operational status of the HINS LED, allowing users to verify that the disinfection light is functioning correctly without requiring specialized measurement equipment. This simplifies monitoring while maintaining dosage accuracy through the precision of the HINS LED itself.
Solution Approach 2:
The system performs self-monitoring through the indicator LED, which automatically reflects the operational status of the HINS LED without requiring external monitoring devices or complex user intervention. The system serves itself by providing its own operational verification.
Data Source
AI summary
A lighting system including a light source and a controller having an electronic processor and memory. The controller is configured to compare an operational characteristic of the light to a predetermined operational characteristic, and output a signal based on the comparison of the operational characteristic of the light to the predetermined operational characteristic.