Soil Temperature Sensor for Nutrient Leakage Detection
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Solution Overview
Problem
Agricultural nutrient applicators, such as those using anhydrous ammonia, often fail to detect nutrient leakage into the air, leading to reduced soil nutrient deposition and lower crop yields, as operators are not aware of leaks until visible vapor is produced, which can occur with smaller concentrations.
Innovation Solution
A system and method utilizing sensors to monitor soil temperature and generate notifications when a pre-defined temperature threshold is exceeded, indicating nutrient leakage, allowing operators to adjust the applicator and ensure proper nutrient distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If operators rely on visible vapor clouds to detect nutrient leakage, then they can identify significant leaks, but they cannot detect smaller concentrations of leaked nutrients before they become visible
Solution Approach 1:
The patent replaces the human visual detection system with an electronic temperature sensing system. Temperature sensors continuously monitor the soil and detect temperature changes caused by nutrient leakage, converting an optical detection problem into a thermal detection problem that can sense much smaller concentration changes.
Solution Approach 2:
The patent uses temperature as an intermediary parameter to detect nutrient leakage. Instead of directly detecting the nutrient concentration or visible vapor, the system measures the temperature change in the soil caused by the leakage, which serves as an early indicator before visible vapor forms.
2Reliability
If no detection system is used, then the system remains simple, but operators cannot detect nutrient leakage until visible vapor is produced
Solution Approach 1:
The detection system leverages the natural thermal properties of the soil and nutrient interaction. The soil itself provides the temperature signal when nutrient leakage occurs, eliminating the need for complex active sensing mechanisms. The system uses passive temperature monitoring rather than active probing.
Solution Approach 2:
The patent monitors changes in temperature parameter to detect nutrient leakage. By tracking temperature variations over time and comparing them against baseline conditions, the system can reliably detect leakage events without requiring complex multi-parameter sensing.
3Productivity
If operators wait for visible vapor to adjust the applicator, then they can confirm significant leaks, but nutrient loss has already occurred
Solution Approach 1:
The temperature-based detection system provides preliminary warning of nutrient leakage before visible vapor forms and before significant nutrient loss occurs. This early detection allows operators to adjust the applicator settings proactively, preventing the harmful effects of nutrient loss on crop yield.
Solution Approach 2:
The system provides continuous feedback to operators about the actual conditions at the application site through temperature monitoring. This feedback loop enables operators to make real-time adjustments to applicator settings, ensuring optimal nutrient deposition and preventing both under-application and over-application scenarios.
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 system effectively detects nutrient leakage before it becomes visible, enabling timely adjustments to prevent nutrient loss and ensure optimal soil nutrient levels, thereby improving crop yields.
Implementation Method 1
receiving, by one or more processors, sensor signals from at least one sensor coupled to a nutrient applicator that observes a temperature of the soil and generates sensor signals based on the observation
Data Source
AI summary
System and method for detecting a leakage of a nutrient from soil is provided. The nutrient is applied by a nutrient applicator associated with a work vehicle. The method includes receiving, by one or more processors, sensor signals from at least one sensor coupled to a nutrient applicator that observes a temperature of the soil and generates sensor signals based on the observation. The method includes determining, by the one or more processors, whether the observed temperature of the soil exceeds a pre-defined threshold temperature. The method includes generating, by the one or more processors, one or more notifications to a human-machine interface that the nutrient has leaked from the soil based on the observed temperature exceeding the pre-defined threshold temperature.