Water Quality Color Correction for Fast Multi-Device Testing
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Solution Overview
Problem
Conventional water quality testing methods require complex apparatuses, have limited testing ranges, and are inefficient in harsh environments, necessitating the development of a simple, fast, and accurate method that can be used in various conditions with different photographing apparatuses and light sources.
Innovation Solution
A water quality testing method utilizing chromaticity correction models, constructed through neural networks or multivariate non-linear fitting, to determine the concentration of target substances by analyzing chromaticity changes in water samples, independent of specific photographing conditions, using portable devices like cameras and smartphones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate testing apparatus are used to test different water quality parameters, then comprehensive water quality testing can be performed, but the testing time and operational complexity increase significantly
Solution Approach 1:
The patent combines multiple water quality testing functions (pH, dissolved oxygen, turbidity, conductivity, temperature) into a single integrated testing apparatus. The multi-parameter testing capability allows simultaneous measurement of different water quality parameters using one device, eliminating the need for multiple separate testing apparatus and significantly reducing testing time while maintaining comprehensive testing coverage.
Solution Approach 2:
The testing apparatus is designed with universal functionality to measure multiple water quality parameters simultaneously. The device incorporates various sensing elements and measurement modules that can operate together to provide comprehensive water quality assessment in a single test operation, making the system multi-functional and adaptable to different testing requirements.
2Adaptability or versatility
If multiple separate testing apparatus are used to test different water quality parameters, then comprehensive water quality testing can be performed, but the number of operations and personnel requirements increase
Solution Approach 1:
The patent merges multiple testing operations into a single integrated apparatus. By combining pH measurement, dissolved oxygen sensing, turbidity measurement, conductivity testing, and temperature monitoring into one device, the system reduces the number of separate operations required and simplifies the overall testing process, requiring fewer personnel and reducing operational complexity.
Solution Approach 2:
The integrated apparatus is designed with modular segmentation, where different sensing elements and measurement modules are independently designed but work together as a unified system. This segmentation allows each parameter to be measured by specialized components while maintaining overall system integration, making the complex testing process more manageable and easier to operate.
3Measurement precision
If traditional water quality testing methods are used, then basic parameter measurement is possible, but the ability to detect emerging contaminants and provide real-time monitoring is insufficient
Solution Approach 1:
The patent incorporates advanced sensing technologies that enable real-time detection of water quality parameters and emerging contaminants. The system uses modified electrode potentials, optical sensing, and electrical conductivity measurements to detect not only traditional parameters but also emerging contaminants like pharmaceuticals and industrial chemicals, significantly enhancing both measurement precision and adaptability.
Solution Approach 2:
The testing apparatus incorporates real-time feedback mechanisms that continuously monitor water quality parameters and provide immediate results. The system can detect changes in water quality and alert users to potential contamination events, enabling real-time monitoring and rapid response to emerging contaminant issues, thereby enhancing both measurement accuracy and detection capability.
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 method achieves rapid, accurate, and wide-range water quality testing without additional hardware, maintaining high accuracy across diverse environments and apparatuses, leveraging chromaticity changes for quantitative analysis.
Implementation Method 1
a pH electrode, a dissolved oxygen electrode, a turbidity sensor, a conductivity sensor and a temperature sensor are disposed in the water sample
Implementation Method 2
a pH electrode, a dissolved oxygen electrode, a turbidity sensor, a conductivity sensor and a temperature sensor are disposed in the water sample
Implementation Method 3
a pH electrode, a dissolved oxygen electrode, a turbidity sensor, a conductivity sensor and a temperature sensor are disposed in the water sample
Implementation Method 4
a pH electrode, a dissolved oxygen electrode, a turbidity sensor, a conductivity sensor and a temperature sensor are disposed in the water sample
Data Source
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AI summary
A water quality testing method and a water quality testing apparatus. The testing method comprises: obtaining, in a first environment, a testing sample including a target testing object (S101); selecting a reference object according to the testing sample (S102), and respectively acquiring the chroma of the reference object in a second environment and in the first environment; constructing a correction model according to the chroma of the reference object in the second environment and in the first environment (S103); obtaining the chroma of the testing sample in the first environment (S104); according to the chroma of the testing sample in the first environment and the correction model, obtaining the chroma of the testing sample in the second environment (S 105); and according to a preset standard curve and the chroma of the testing sample in the second environment, obtaining the concentration of the target testing object in the testing sample (S106). The method is simple, has a high testing speed, has a wide application range, is independent of specific photographing conditions, has good applicability and stability for different photographing devices, light sources and photographing methods, and has a high testing accuracy.