Radar Float Concentration Measurement for Remote Salt Pans
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Solution Overview
Problem
Existing methods for measuring liquid concentration, such as those used in salt pans, are inaccurate and time-consuming due to the large areas involved, making it difficult to observe scale marks from a distance or move close to devices for measurement.
Innovation Solution
A method using a float that changes height position in a liquid based on concentration, measured via radio waves from a satellite or aircraft, allowing for accurate concentration determination through the difference in height positions of multiple floats with varying densities or osmotic pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a float-based concentration measuring device is used in large salt pans, then the measurement can be performed remotely, but the measurement precision deteriorates due to difficulty in observing scale marks from a distance
Solution Approach 1:
The patent replaces the optical observation system (requiring visual inspection of scale marks) with a radar-based measurement system. The radar measures the vertical position of the float through electromagnetic wave reflection, eliminating the need for optical observation and enabling accurate remote measurement without the precision losses associated with distant visual inspection.
Solution Approach 2:
The patent introduces a radar system as an intermediary between the observer and the float. Instead of directly observing the scale mark optically, the radar system mediates the measurement by detecting the float's position through radio wave reflection, providing accurate distance measurements without requiring line-of-sight optical observation.
2Measurement precision
If the measurement device is moved close to observe the scale mark, then the measurement precision improves, but the measurement time increases
Solution Approach 1:
The patent eliminates the need for physical movement to the measurement device by using radar technology. The radar system can measure the float's position remotely without requiring the observer to move close to the device, thus maintaining measurement precision while eliminating the time loss associated with movement.
Solution Approach 2:
The patent transitions from a one-dimensional optical observation approach (requiring physical movement along the ground) to a three-dimensional radar measurement approach. The radar system measures the vertical position of the float directly through electromagnetic waves, eliminating the need for horizontal movement and providing instantaneous measurements.
3Measurement precision
If multiple floats with different densities are used to measure concentration differences, then the measurement precision improves, but the device complexity increases
Solution Approach 1:
The patent uses multiple floats with different densities as standardized reference objects, similar to using multiple calibrated weights in a laboratory. Each float represents a known concentration reference point, allowing the system to determine unknown concentrations by comparing the vertical positions of these standardized references. This approach maintains precision while keeping the float designs relatively simple and standardized.
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 easy and accurate measurement of liquid concentration, even in vast areas, by utilizing synthetic aperture radar to determine the height positions of floats with different densities or osmotic pressure changes.
Implementation Method 1
a float floating in a liquid, a floating height of the float changing in accordance with a concentration of the liquid
Implementation Method 2
acquiring a height position of a float measured using a radio wave
Data Source
AI summary
A concentration measuring apparatus of the present invention includes: an acquiring unit that acquires a height position of a float which floats in a liquid and whose floating height changes in accordance with a concentration of the liquid, the height position being measured using a radio wave; and a measuring unit that measures the concentration of the liquid based on the height position.