Solenoid Valve Priming Detection for Consistent Agricultural Spraying
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Solution Overview
Problem
Agricultural sprayers face inefficiencies in priming and depriming solenoid-operated valves, leading to waste of agricultural products and inconsistent application due to unprimed or blocked nozzles.
Innovation Solution
A system that monitors control valve characteristics to determine primed and unprimed states, automating the priming and depriming process to minimize waste and ensure precise application, using smart nozzles with electronic control units to regulate flow rates and detect nozzle restrictions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If valves are opened to discharge agricultural product for priming, then air is displaced from the valves, but agricultural product is wasted
Solution Approach 1:
The system performs preliminary detection of valve priming status using flow sensors and pressure sensors before initiating priming discharge. This allows the system to determine in advance whether priming is actually needed, thereby avoiding unnecessary discharge of agricultural product and reducing waste while ensuring reliable valve operation.
Solution Approach 2:
The system uses flow sensors and pressure sensors to continuously monitor valve operation and priming status, providing real-time feedback to the control system. This feedback mechanism enables the system to detect when valves are properly primed and automatically stop the priming process, preventing over-discharge and minimizing agricultural product waste while maintaining reliable valve performance.
2Reliability
If valves are opened for priming, then air is displaced from the valves, but application consistency deteriorates
Solution Approach 1:
The system performs preliminary detection of valve priming status using flow sensors and pressure sensors before initiating priming discharge. This allows the system to determine in advance whether priming is actually needed, thereby avoiding unnecessary discharge of agricultural product and reducing waste while ensuring reliable valve operation.
Solution Approach 2:
The system uses flow sensors and pressure sensors to continuously monitor valve operation and priming status, providing real-time feedback to the control system. This feedback mechanism enables the system to detect when valves are properly primed and automatically stop the priming process, preventing over-discharge and minimizing agricultural product waste while maintaining reliable valve performance.
3Ease of operation
If manual monitoring of valve priming is performed, then operational simplicity is maintained, but productivity decreases
Solution Approach 1:
The system employs flow sensors and pressure sensors that automatically detect and monitor valve priming status without requiring manual intervention. The sensors self-regulate the priming process by providing continuous feedback to the control system, which automatically adjusts valve operation. This self-service approach maintains ease of operation while significantly improving productivity through automated, real-time monitoring and control.
Solution Approach 2:
The system uses flow sensors and pressure sensors to continuously monitor valve operation and priming status, providing real-time feedback to the control system. This feedback mechanism enables the system to detect when valves are properly primed and automatically stop the priming process, preventing over-discharge and minimizing agricultural product waste while maintaining reliable valve performance.
4Reliability
If agricultural product is discharged for priming, then nozzles are cleared of blockages, but loss of agricultural product increases
Solution Approach 1:
The system performs preliminary detection of valve priming status using flow sensors and pressure sensors before initiating priming discharge. This allows the system to determine in advance whether priming is actually needed, thereby avoiding unnecessary discharge of agricultural product and reducing waste while ensuring reliable valve operation.
Solution Approach 2:
The system uses flow sensors and pressure sensors to continuously monitor valve operation and priming status, providing real-time feedback to the control system. This feedback mechanism enables the system to detect when valves are properly primed and automatically stop the priming process, preventing over-discharge and minimizing agricultural product waste while maintaining reliable valve performance.
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
Enhances agricultural product application efficiency by minimizing waste and ensuring consistent spraying patterns, reducing errors in application rates and droplet sizes.
Implementation Method 1
a first valve includes a solenoid having a coil, and the solenoid generates a magnetic flux when powered. The magnetic flux moves a valve operator of the valve with respect to the coil
Data Source
AI summary
A system for applying an agricultural product includes at least one control valve. For instance, the control valve has a moveable valve operator. One or more sensors monitor one or more control valve characteristics. A valve controller is configured to determine the control valve is in one or more of a primed state or an unprimed state based on a comparison of the one or more control valve characteristics to a primed valve characteristic threshold.