Ultrasonic Extraction Performance Checking Device
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Solution Overview
Problem
Conventional ultrasonic extractors face issues with non-uniform sound field intensity, positional variability in sample extraction, and potential for false negative results due to inadequate cavitation detection methods, which affect extraction efficiency and accuracy.
Innovation Solution
An ultrasonic extraction performance checking device using a specially formulated alloy foil with a tensioning fixture, placed within the ultrasonic extractor, undergoes cavitation corrosion to assess sound field coverage and intensity, allowing for visual evaluation of extraction efficiency and uniformity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional ultrasonic extractors are used, then extraction can be performed, but the sound field intensity is not uniform and positional variability in sample extraction occurs
Solution Approach 1:
The patent applies local quality by using multiple ultrasonic vibrators distributed at different positions and orientations within the extraction chamber. Each vibrator creates a localized strong sound field in its vicinity, ensuring that samples regardless of position are exposed to adequate ultrasonic intensity for consistent extraction performance.
Solution Approach 2:
The ultrasonic extraction system is segmented into multiple independent vibrators rather than using a single source. This segmentation allows the sound field to be distributed more uniformly throughout the extraction space, eliminating positional variability and ensuring consistent extraction efficiency across different sample locations.
2Reliability
If existing cavitation detection methods are used, then cavitation can be detected, but the methods are complex and may produce false negative results
Solution Approach 1:
The patent introduces an intermediary aluminum foil that serves as a visual indicator for cavitation detection. The foil is placed at the bottom of the extraction chamber and undergoes characteristic changes when exposed to ultrasonic cavitation, providing a simple and reliable visual method to confirm adequate cavitation without complex instrumentation.
Solution Approach 2:
The patent replaces complex mechanical or electronic cavitation detection systems with a simple visual observation method using aluminum foil. This substitution maintains detection reliability while dramatically reducing system complexity and eliminating the risk of false negative results associated with sophisticated instruments.
3Productivity
If ultrasonic extraction is performed without performance checking, then extraction can proceed, but extraction completeness cannot be ensured leading to false negative results
Solution Approach 1:
The patent implements preliminary action by placing the aluminum foil indicator at the bottom of the extraction chamber before starting the ultrasonic extraction process. This allows for pre-assessment of cavitation conditions and extraction completeness, ensuring that the extraction parameters are adequate before the actual extraction begins, thereby preventing false negative results.
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 provides a simple, visual, and efficient means to quantify ultrasonic extraction performance, ensuring consistent extraction across different positions and reducing the risk of false negatives, thereby improving operational efficiency and accuracy.
Implementation Method 1
undergoes cavitation corrosion to assess sound field coverage and intensity
Implementation Method 2
The strength of the cavitation effect of ultrasonic extraction is related to the ultrasound frequency
Implementation Method 3
The tensioning fixture is used to tightly fix the alloy foil, and the alloy foil is flat
Data Source
AI summary
An ultrasonic extraction performance checking device and method for an ultrasonic extractor for detecting and analyzing a chemical composition of a consumer product. The ultrasonic extraction performance checking device includes a hanging frame which is hung inside the ultrasonic extractor and matched with the ultrasonic extractor, and a hanging frame plane checking device which is detachably and vertically or horizontally placed in the hanging frame and clamped with an alloy foil. The alloy foil is surrounded by a tensioning fixture. The tensioning fixture causes the alloy foil to generate a surface tension of 5 to 15 N and to be tightened and fixed to the bottom surface of the hanging frame plane checking device.