Adjustable Seed Meter With Dual Disks for Real-Time Singulation
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Solution Overview
Problem
Existing seed planting technologies require manual adjustment of seed singulation mechanisms, which are inefficient and disrupt planting operations, especially in high-speed systems, leading to issues like skips and doubles.
Innovation Solution
An adjustable seed meter system with automatically adjustable seed cell position, geometry, and number, allowing real-time adjustments without stopping the planting process, using a dual seed disk configuration with rotatable and alignable openings to form adjustable seed cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual adjustment mechanisms are used for seed singulation, then the system structure remains simple, but the productivity decreases and time is lost due to stopping the planting system for adjustments
Solution Approach 1:
The patent implements automatic adjustment mechanisms that dynamically modify seed cell position, geometry, and number during high-speed planting operations without requiring the system to stop. This transforms the static manual adjustment system into a dynamic automated one, resolving the contradiction between maintaining simple structure and achieving continuous high-speed operation.
Solution Approach 2:
The system incorporates sensors and control mechanisms that automatically detect and correct seed singulation issues without operator intervention. The planting system serves itself by autonomously adjusting seed cell parameters, eliminating the need for manual stopping and adjustment, thereby maintaining both simplicity and productivity.
2Manufacturing precision
If the singulator is positioned closer to the seed cells, then seed singulation quality improves by knocking extra seeds from cells, but skips increase when all seeds are knocked from cells
Solution Approach 1:
The patent implements adjustable seed cell geometry and position mechanisms that allow the system to dynamically optimize the balance between singulation quality and skip prevention. By automatically adjusting cell parameters based on operating conditions, the system achieves precise seed singulation while maintaining reliability across varying speeds and seed types.
Solution Approach 2:
The system automatically modifies seed cell geometric parameters and positioning in real-time to optimize performance. This includes adjusting cell size, shape, and location relative to the singulator, allowing the system to adapt to different planting conditions and maintain both high singulation quality and low skip rates simultaneously.
3Reliability
If the singulator is positioned farther from the seed cells, then skips decrease, but doubles increase when extra seeds are not knocked from cells
Solution Approach 1:
The adjustable seed cell system dynamically repositions and resizes cells based on real-time feedback, allowing optimization of the distance between cells and singulator for each specific operating condition. This eliminates the need for fixed positioning, enabling the system to achieve both low skip rates and high singulation precision adaptively.
Solution Approach 2:
The system automatically adjusts seed cell parameters including position, size, and geometry to optimize the balance between preventing skips and avoiding doubles. This dynamic parameter modification allows the system to adapt to different planting speeds, seed types, and field conditions, maintaining high reliability and precision simultaneously.
4Manufacturing precision
If vacuum intensity is adjusted to improve singulation, then all rows attached to the vacuum fan are affected, but localized adjustment is not possible
Solution Approach 1:
The patent implements adjustable seed cell mechanisms at individual row units, segmenting the vacuum system's seed delivery function into independently controllable units. This allows each row to be adjusted separately for optimal singulation without affecting other rows, providing localized control while maintaining the benefits of vacuum-powered seed delivery.
Solution Approach 2:
The system applies different seed cell configurations and adjustment parameters to different row units based on local requirements. Each row can have customized cell geometry, position, and number optimized for its specific planting conditions, enabling localized adaptation while maintaining overall system coordination.
5Ease of operation
If manual adjustment of singulators is performed, then the operator can address specific problems, but the operation requires stopping the tractor and planting system
Solution Approach 1:
The system incorporates automatic detection and adjustment mechanisms that monitor seed singulation quality and make corrections without operator intervention. This self-service capability eliminates the need for operators to stop the system, dismount, and manually adjust singulators, maintaining ease of operation while eliminating time loss.
Solution Approach 2:
The patent implements sensor systems that continuously monitor seed delivery and singulation performance, providing real-time feedback to automatic adjustment mechanisms. This closed-loop control system detects problems and makes corrections autonomously, allowing operators to maintain ease of operation without the downtime associated with manual adjustments.
Data Source
AI summary
Adjustable seed meters having a first seed disk having first openings defined therein and a second seed disk having second openings defined therein adjacent to the first openings such that the first and second openings are alignable to form adjustable seed cells. Various embodiments have a plate adjustment drive system to rotate the first and second seed disks in relation to each other. Other embodiments relate to methods of automatically adjusting a seed meter during operation of the overall planting system.