Instrumented Press Wheel for Real-Time Seed Spacing Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current seed planters lack the ability to accurately determine the final resting place of seeds in real-time, leading to irregular spacings and suboptimal planting performance, particularly due to factors like set roll, which is influenced by seed shape, size, and planting speed, resulting in reduced yield and increased operational inefficiencies.
Innovation Solution
A seed planter equipped with a press wheel and associated sensors that detect the rolling of the press wheel over planted seeds, providing real-time data on seed spacing and position, allowing for on-the-fly adjustments to maintain ideal spacing and reduce set roll, thereby enhancing planting efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If planting speed is increased to maximize acreage coverage, then productivity improves, but set roll increases causing irregular seed spacing and reduced manufacturing precision
Solution Approach 1:
The system employs sensors (optical, capacitive, or acoustic) to detect seed placement and spacing in real-time, feeding this information back to a control system that automatically adjusts planting parameters to maintain spacing accuracy regardless of planting speed
Solution Approach 2:
The patent replaces manual verification methods with automated sensor systems and electronic control, substituting mechanical observation and adjustment with electronic detection and automated regulation to achieve precise spacing at high speeds
2Manufacturing precision
If manual verification of seed placement is performed to ensure spacing accuracy, then manufacturing precision improves, but loss of time increases due to verification delays
Solution Approach 1:
The system replaces manual verification with automated sensor detection and electronic data processing, enabling continuous real-time monitoring of seed placement without stopping or slowing the planter for verification
Solution Approach 2:
The sensor system operates continuously during planting, providing uninterrupted real-time detection and feedback, eliminating the intermittent nature of manual verification and enabling continuous corrective action
3Manufacturing precision
If press wheel pressure is increased to reduce set roll, then manufacturing precision improves, but object-generated harmful factors increase due to seed damage
Solution Approach 1:
The system replaces heavy mechanical press wheels with high-pressure spray systems that use focused water jets to control seed roll without physical contact pressure, eliminating seed bruising while maintaining spacing accuracy
Solution Approach 2:
The patent employs hydraulic or pneumatic mechanisms including high-pressure spray nozzles and fluid-based damping systems to control seed movement and reduce set roll without applying damaging mechanical pressure to the seeds
4Manufacturing precision
If real-time monitoring system is implemented to improve spacing accuracy, then manufacturing precision improves, but device complexity increases
Solution Approach 1:
The system employs multi-functional sensor assemblies that can detect both seed presence and spacing information simultaneously, and control mechanisms that perform multiple functions (spray application, pressure regulation, and flow control) to reduce the number of separate components needed
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 enables real-time monitoring and adjustment of planting speed and settings, improving seed spacing accuracy and overall planting performance, reducing manual verification delays and optimizing acreage coverage during planting.
Implementation Method 1
The press wheel has pressure detecting instrumentation associated therewith for detecting a rolling thereof over the planted set. The press wheel further having a tire structure, a weight and an inflation of the tire, configured for generating a soft high speed contact signature with the planted set when rolling over the planted set at high speed, for preventing bruising the planted set.
Implementation Method 2
The press wheel has pressure detecting instrumentation associated therewith for detecting a rolling thereof over the planted set
Data Source
AI summary
The press wheel has instrumentation associated therewith detecting a rolling of the wheel over a planted set. A computing device is connected to the instrumentation and to the speed monitoring device of the planter. The computing device determines spacings between planted sets. The data obtained is real-time data and is readily available to the operator of the planter so that the speed of the planter can be adjusted on the fly to maintain an ideal set spacing. The press wheel has a soft, smooth, flexible and stretchable rolling surface capable of deforming over a planted set and detecting an imprint of the planted set in the surface thereof, without damaging the planted set. A contact signature of the rolling of the press wheel over a planted set shows that the “rolling on” of the press wheel over a planted set is as smooth as the “rolling away” from the planted set.