Row Unit Closing Sensor Feedback for Seed Depth Consistency
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing planting implements face challenges in accurately determining and maintaining consistent post-worked depth of agricultural fields, leading to inconsistent seed deposition and potential harvesting issues.
Innovation Solution
A system and method that includes a closing sensor assembly to capture data on the position of a press wheel relative to a frame, using a computing system to determine the press wheel height and variance with the opening disk depth, and adjust operating parameters to ensure consistent seed depth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional planting implements are used without depth sensing and adjustment systems, then the device complexity is low, but the manufacturing precision of seed depth is inconsistent
Solution Approach 1:
The system performs preliminary measurement of press wheel height relative to the frame before seed deposition, using this data to predict and adjust the resulting seed depth. This advance measurement and calculation enables consistent seed depth placement without requiring complex real-time adjustment mechanisms during the planting operation.
Solution Approach 2:
The patent introduces a computing system as an intermediary that processes sensor data about press wheel position and calculates the resulting seed depth. This intermediary computational layer translates simple mechanical position measurements into predictive depth information, enabling precision without direct complex mechanical depth control mechanisms.
2Reliability
If the closing assembly varies post-worked depth without measurement, then the ease of operation is high, but the reliability of seed depth placement deteriorates
Solution Approach 1:
The system implements feedback by measuring the actual press wheel height relative to the frame and using this information to determine and adjust the seed depth placement. This feedback loop ensures reliable seed depth placement while maintaining ease of operation, as the system automatically processes the measurement data without requiring complex manual adjustments.
3Measurement precision
If no sensor system is used to detect press wheel position, then the device complexity is low, but the measurement precision of seed depth is insufficient
Solution Approach 1:
The patent replaces direct mechanical depth measurement mechanisms with a sensor-based system that measures press wheel position relative to the frame. This substitution uses electronic sensors and computational processing instead of complex mechanical depth gauges, achieving high measurement precision while keeping the overall system relatively simple through electronic rather than mechanical means.
Data Source
AI summary
A system for a row unit of a planting implement includes a frame and a closing sensor assembly configured to capture data indicative of a position of a component of a closing assembly relative to the frame. A computing system is communicatively coupled to the closing sensor assembly. The computing system is configured to receive the data from the closing sensor assembly, determine a press wheel height relative to the frame, determine a height variance between the opening disk and the press wheel height, and generate a control action based on the variance.