Ultrasonic Fluid Resonance Control via Electrical Feedback
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Solution Overview
Problem
Existing measuring devices for fluid analysis struggle with accurately establishing and maintaining optimal resonance states in resonators, as the frequency required for resonance changes during operation, making precise adjustments challenging and unreliable.
Innovation Solution
An apparatus with an electrically driven ultrasonic driver and a measuring device that detects current, voltage, and phase shift to determine the oscillation state of the mechanical oscillation system, allowing for improved regulation of resonance states and analysis of measurement fluids, including particle manipulation and acoustic field characterization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual adjustment of frequency and amplitude is used to establish resonance state, then device complexity is reduced, but measurement precision and reliability of resonance state establishment deteriorate
Solution Approach 1:
The patent implements an automated feedback control system that continuously monitors the resonance state of the measurement fluid and automatically adjusts the frequency and amplitude of the ultrasonic driver. The system measures electrical parameters (current, voltage, phase shift) at the ultrasonic driver and uses this feedback to maintain optimal resonance conditions, eliminating the need for manual adjustment while ensuring high measurement precision.
Solution Approach 2:
The patent replaces manual mechanical adjustment with an automated electronic control system. Instead of manually tuning frequency and amplitude, the system uses electronic sensors to detect resonance conditions and electronic actuators to automatically adjust the ultrasonic driver parameters, substituting mechanical manual operation with automated electromechanical control.
2Device complexity
If resonance frequency is fixed, then device complexity is reduced, but adaptability to changing operating conditions deteriorates
Solution Approach 1:
The patent implements a dynamic resonance frequency adjustment mechanism that automatically adapts to changing operating conditions. The system continuously monitors electrical parameters and fluid properties, and dynamically adjusts the ultrasonic driver frequency to maintain optimal resonance state, enabling the device to adapt to temperature changes, particle concentration variations, and other operating condition changes.
Solution Approach 2:
The patent employs automatic parameter adjustment of the ultrasonic driver based on real-time measurements. The system changes frequency and amplitude parameters dynamically in response to detected changes in fluid properties or resonance conditions, allowing the device to adapt to varying operating conditions without requiring manual intervention or complex reconfiguration.
3Measurement precision
If complex measurement systems are used to detect oscillation state, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent uses electrical parameters (current, voltage, phase shift) at the ultrasonic driver as intermediary measurements to indirectly detect the mechanical oscillation state of the measurement fluid. Instead of directly measuring complex mechanical oscillations, the system measures easily accessible electrical parameters that correlate with resonance conditions, simplifying the measurement system while maintaining high precision.
Solution Approach 2:
The patent replaces direct mechanical measurement of oscillation state with electrical measurement of driver parameters. Instead of using complex mechanical sensors to detect fluid oscillations, the system substitutes this with electrical measurements of current, voltage, and phase shift at the ultrasonic driver, which provide equivalent information about resonance conditions with simpler instrumentation.
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
Enables reliable and adjustable analysis of measurement fluids with simple, cost-effective means, maintaining desired resonance states under changing conditions such as temperature and particle concentration, and facilitating processes like particle agglomeration and degassing.
Implementation Method 1
an electrically driven ultrasonic driver which causes the measurement fluid to oscillate during operation by applying an electrical operating voltage
Implementation Method 2
the measurement fluid, the ultrasonic driver, optionally a reflector and optionally other layers form parts of a resonator and a common mechanical oscillation system
Data Source
AI summary
The invention relates to an apparatus for processing and analyzing a measurement fluid for measurement in a measurement device, comprising a fluid chamber which is filled by the measurement fluid or through which the measurement fluid flows during operation, an electrically driven ultrasound driver which causes the measurement fluid to vibrate during operation by applying an electrical operating voltage, wherein the measurement fluid, the ultrasound driver, a reflector as applicable and additional layers as applicable are parts of a resonator and of a common mechanical vibration system during operation.