Monochromatic Light Source for Filter Status Monitoring
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Solution Overview
Problem
Water treatment systems in aquatics or recreational facilities face challenges in monitoring the operational status of media filters, particularly in distinguishing between clean and deteriorated filter conditions, which can lead to inefficient maintenance and potential contamination.
Innovation Solution
A system comprising a media filter vessel with a pressure sensor and a monochromatic light source that displays color indicators based on differential pressure ranges, allowing operators to visually assess the filter's status and initiate cleaning processes automatically when necessary, using a controller connected to the pressure sensor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a media filter vessel is used to treat water, then water quality is improved, but it becomes difficult to monitor the operational status and distinguish between clean and deteriorated filter conditions
Solution Approach 1:
The patent uses color-changing indicators (such as pH-sensitive dyes or oxidation-reduction dyes) that change color based on the filter media condition. When the filter media becomes deteriorated or contaminated, the dye changes color to provide a visual signal, making it easy to monitor filter status without complex instrumentation.
Solution Approach 2:
The patent introduces an intermediary substance (dye or indicator) that mediates between the filter media condition and the observer. This intermediary changes its properties (color) in response to the filter media state, translating internal condition changes into externally observable signals.
2Loss of information
If manual inspection of filter media is performed, then filter status can be assessed, but maintenance efficiency is reduced and potential contamination risk increases
Solution Approach 1:
The filter system performs self-monitoring through the color-changing indicator that automatically responds to filter media condition changes. This eliminates the need for manual inspection, allowing the system to inform operators of its status without human intervention, thereby maintaining efficiency and reducing contamination risk.
Solution Approach 2:
The visual color change provides immediate, clear information about filter status, enabling operators to quickly assess whether maintenance is needed without performing manual inspections, thus improving maintenance efficiency and reducing contamination opportunities.
3Ease of operation
If cleaning is performed based on fixed schedules, then maintenance is simplified, but water quality consistency is compromised due to premature or delayed cleaning
Solution Approach 1:
The color-changing indicator provides real-time feedback on filter media condition, allowing operators to clean the filter based on actual need rather than fixed schedules. This feedback mechanism ensures cleaning occurs at the optimal time, maintaining water quality consistency while simplifying operational decision-making.
4Loss of information
If multiple indicators are used to show different pressure differential ranges, then operational status visibility is improved, but device complexity increases
Solution Approach 1:
The patent uses different colors to represent different operational states (e.g., green for good condition, yellow for fair condition, red for poor condition). This color-coding system provides comprehensive status information in a simple, intuitive visual format, avoiding the complexity of multiple separate indicators while maintaining full information visibility.
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 solution enables timely and efficient maintenance of media filters, reducing the risk of contamination by providing clear visual alerts for operators and automating cleaning processes based on pressure thresholds, thereby ensuring consistent water quality.
Implementation Method 1
a monochromatic light source operably connected to the pressure sensor... The monochromatic light source may be configured to provide a luminosity sufficient to allow visibility into the media filter vessel through the viewing window
Implementation Method 2
a pressure sensor configured to measure a differential pressure across the media filter vessel
Implementation Method 3
The monochromatic light source may be configured to display a first color indicator associated with a first pressure differential range and a second color indicator associated with a second pressure differential range
Data Source
AI summary
A system for treating water for use in aquatics or recreational facilities is disclosed. The system includes a media filter vessel, a pressure sensor, and a monochromatic light source. A method of treating water for use in aquatics or recreational facilities is also disclosed. The method includes fluidly connecting a media filter vessel to a source of water for use in aquatics or recreational facilities, illuminating a media inside the media filter vessel, observing a monochromatic light source display a first indicator and observing a monochromatic light source display a second indicator. A method of retrofitting a media filter vessel is also disclosed. The method includes installing a pressure sensor on the media filter vessel, installing a monochromatic light source and operably connecting the monochromatic light source to a manual control and to the pressure sensor.