UV Lamp Sensor Modulation for Power Supply Control
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Solution Overview
Problem
Conventional UV disinfection systems face inefficiencies due to UV lamp degradation, leading to inconsistent UV light output, increased electricity costs, and premature lamp failure, as they rely on predetermined power profiles that do not account for individual lamp variability and energy losses in power distribution.
Innovation Solution
The system modulates the power supply based on real-time characteristics of the UV lamp, such as UV light output, current, voltage, and environmental conditions, using sensors and a processor to adjust power output independently, ensuring optimal UV light delivery without overdriving the lamps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If predetermined power profiles are used to control UV lamps, then the system is simple to operate, but UV light output becomes inconsistent and lamps fail prematurely
Solution Approach 1:
The system continuously monitors UV lamp characteristics (current, voltage, power consumption) and uses this feedback to dynamically adjust power supply output. Sensors detect lamp degradation in real-time, and the control system modifies power delivery to maintain consistent UV output throughout the lamp's operational life, resolving the contradiction between simple operation and reliable performance.
Solution Approach 2:
The power supply transitions from static predetermined profiles to dynamic real-time adjustment. The system adapts power delivery based on actual lamp conditions, allowing the UV output to remain consistent despite lamp aging, environmental variations, and individual lamp variability.
2Illumination intensity
If UV lamps are overdriven to compensate for degradation, then UV light output remains high initially, but electricity costs increase and lamps fail sooner
Solution Approach 1:
The system monitors actual UV lamp performance and adjusts power delivery accordingly. Instead of continuously overdriving lamps, the system provides just enough power to maintain required UV output, reducing energy waste while preventing premature failure. This feedback-based approach optimizes the balance between illumination intensity and energy consumption.
Solution Approach 2:
The system dynamically changes power supply parameters (voltage, current, power) based on real-time lamp conditions. As lamps degrade, the system gradually adjusts power levels to maintain optimal UV output without excessive energy consumption, extending lamp lifespan while maintaining disinfection effectiveness.
3Ease of manufacture
If fixed power profiles are used for all lamps, then the system is easy to implement, but individual lamp variability and energy losses in power distribution are not accounted for
Solution Approach 1:
The system implements individual lamp monitoring through sensors that measure current, voltage, and power consumption for each UV lamp. This feedback enables the system to detect and compensate for individual lamp variability and power distribution losses, maintaining measurement precision without significantly complicating system implementation.
Solution Approach 2:
The system segments the control approach by treating each UV lamp individually rather than applying a uniform fixed profile. Each lamp is monitored and controlled independently, allowing the system to account for individual characteristics and power losses specific to each lamp's location and conditions.
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 approach enhances the effectiveness of UV disinfection by maintaining consistent UV light output, reducing energy waste, prolonging lamp lifespan, and minimizing downtime, while allowing for faster identification and correction of faulty lamps, thus lowering operational costs.
Implementation Method 1
a sensor comprising at least an electrical current sensor, an electrical voltage sensor, or a power usage sensor
Implementation Method 2
at least one source of ultraviolet radiation operatively coupled to the at least one sensor
Implementation Method 3
The UV treatment may damage nucleic acids of the pathogens. The disruption of the genetic material may render the pathogens incapable of performing vital cellular functions
Implementation Method 4
modulating, based upon the command, the power supply
Data Source
AI summary
A system, method, and assembly for controlling a power supply for at least one ultraviolet lamp where at least one ultraviolet lamp uses input received from at least one sensor of at least one ultraviolet lamp to measure a characteristic of the at least one ultraviolet lamp and, if based on that at least one sensor, the at least one ultraviolet lamp determines that at least one characteristic of a power supply operatively coupled to the at least one ultraviolet lamp should be changed, generates a command for that power supply to modify that at least one characteristic either by modulating its output or adjusting an output level.