Porous Composite Measurement Device for Direct Soil Parameters
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing technologies lack the ability to precisely and accurately measure various parameters of a porous medium, such as soil salinity and water tension, in real-time without relying on empirical equations, which is crucial for optimal irrigation scheduling and environmental stewardship.
Innovation Solution
A porous medium parameter measurement device comprising alternating layers of porous conductive and non-conductive components that allow direct and simultaneous measurement of parameters like salinity, water tension, and ionic concentration through diffusion equilibrium, eliminating the need for pressure sensors and empirical calculations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional soil moisture or salinity probes are used, then device complexity is reduced, but measurement precision deteriorates due to reliance on empirical equations
Solution Approach 1:
The patent employs porous conductive and non-conductive components as the core sensing elements. These porous materials allow direct contact with porous medium solution while maintaining structural integrity. The porous structure enables diffusion equilibrium between the soil solution and the sensor components, allowing direct measurement of salinity and water tension without empirical equations, thus improving measurement precision while keeping the device structure relatively simple.
Solution Approach 2:
The measurement device integrates composite structures combining conductive and non-conductive porous materials in alternating layers. This composite approach enables simultaneous measurement of multiple parameters (salinity, water tension, ionic concentration) through the interaction of different material properties. The composite structure allows direct measurement capabilities while maintaining manageable device complexity through modular layering.
2Measurement precision
If direct measurement components are added to measure multiple parameters, then measurement precision improves, but device complexity increases
Solution Approach 1:
The porous conductive and non-conductive components serve multiple functions simultaneously. They measure salinity, water tension, and ionic concentration through a unified diffusion equilibrium mechanism. The selective component filters and directs solution flow to appropriate measurement zones. This multi-functionality allows direct real-time measurement of multiple parameters without requiring separate dedicated sensors for each parameter, thereby improving measurement precision while limiting the increase in device complexity.
Solution Approach 2:
The patent merges the measurement functions for salinity, water tension, and ionic concentration into a single integrated device structure. The alternating layers of conductive and non-conductive porous components work together as a unified measurement system, combining multiple measurement capabilities in one device rather than requiring separate sensors, thus achieving precise multi-parameter measurement with controlled device complexity.
3Measurement precision
If porous medium solution reaches diffusion equilibrium, then measurement precision improves, but measurement time increases
Solution Approach 1:
The use of porous conductive and non-conductive components with optimized pore structures facilitates rapid diffusion equilibrium between the porous medium solution and the sensor materials. The porous structure provides large surface area contact and controlled flow paths that accelerate the equilibrium process. This enables precise measurement of salinity and water tension while minimizing the time required to reach diffusion equilibrium, thus resolving the contradiction between measurement precision and measurement time.
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 accurate, real-time measurement of multiple porous medium parameters, enhancing irrigation precision and reducing environmental impact by minimizing nutrient leaching and salt buildup.
Implementation Method 1
a plurality of pores allowing a porous medium solution to reach diffusion equilibrium between the porous medium and each of the one or more component
Data Source
AI summary
The present technology generally relates to a porous medium parameter measurement device comprising one or more component selected from: a porous conductive component; a porous non-conductive component; and a selective component. The one or more component is in operative communication with each one of the one or more component and with a porous medium through a plurality of pores allowing a porous medium solution to reach diffusion equilibrium between the porous medium and each of the one or more component. The one or more component allows direct measurement of a multiplicity of parameters of the porous medium solution.