Segregated Pneumatic Seed Delivery System
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Solution Overview
Problem
Current precision farming methods face challenges in quickly transitioning between different seed types during planting operations, often resulting in seed blending and inefficient input variation across a field.
Innovation Solution
A system comprising segregated pneumatic lines, bulk seed hoppers, and an electrical control system that allows for precise selection and distribution of seed varieties using actuators and sensors to manage seed flow, ensuring minimal blending between seed types by using segregated seed pools and a seed disc for accurate seed placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple meters at each row unit are used to enable seed type variation, then adaptability is improved, but device complexity increases and transition speed decreases
Solution Approach 1:
The system divides the seed delivery system into multiple segregated pneumatic lines, each dedicated to a specific seed type. Each row unit has a single meter that receives seeds through controlled pneumatic lines from different bulk seed hoppers, eliminating the need for multiple meters at each row unit while maintaining seed type variation capability.
Solution Approach 2:
A pneumatic switching system acts as an intermediary between bulk seed hoppers and row unit meters. This intermediary system uses segregated pneumatic lines and switching mechanisms to direct different seed types to the same meter, enabling adaptability without increasing device complexity at the row unit level.
2Adaptability or versatility
If shifting between input types fed to metering units is used, then adaptability is improved, but seed blending occurs resulting in reduced manufacturing precision
Solution Approach 1:
The pneumatic transport system is segmented into separate lines for different seed types, physically isolating seed flows. This segmentation prevents blending by ensuring each seed type travels through its own dedicated pneumatic line to the meter, maintaining manufacturing precision while enabling adaptability.
Solution Approach 2:
The harmful blending effect is extracted and eliminated by using segregated pneumatic lines. Instead of allowing different seed types to mix in a common feed system, the system extracts each seed type into separate pneumatic conduits, ensuring pure seed type delivery to the metering unit.
3Device complexity
If conventional seed delivery systems are used, then device complexity is reduced, but transition speed between seed types decreases
Solution Approach 1:
A pneumatic switching intermediary system enables rapid seed type transitions by controlling airflow direction to segregated lines. This intermediary mechanism allows quick switching between seed types without the mechanical complexity of multiple meters or complex mechanical switching mechanisms, achieving high transition speed with moderate device complexity.
Solution Approach 2:
The system replaces complex mechanical switching mechanisms with a pneumatic control system. By using pneumatic pressure and flow control to switch between seed types, the system achieves faster transition speeds compared to mechanical alternatives, while maintaining manageable device complexity through the use of standardized pneumatic components.
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
Enables rapid and precise variation of seed types across a field, reducing seed blending and improving the efficiency of input application, thereby enhancing the accuracy and effectiveness of crop input management in precision farming.
Implementation Method 1
Each bulk seed hopper is in fluid communication with an associated entrainer and a blower or other pressure source P and configured to distribute seeds received pneumatically from the bulk seed hoppers to a plurality of row units via a plurality of pneumatic lines
Implementation Method 2
a vacuum system that picks up the seeds from the seed meter and delivers the seeds to a planting mechanism
Data Source
Figure 1
Figure 2
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AI summary
The disclosure relates to an agricultural input selection system, example embodiments disclosed including a system (100) for selecting an agricultural input, comprising: a first input source (110a) of a first seed; a second input source (110b) of a second seed; a seed meter (140) in communication with said first input source (110a) and said second input source (110b); a selection apparatus whereby said seed meter (140) is constrained to deposit only one of said first seed or said second seed at one time, and processing circuitry in electrical communication with said selection apparatus that is configured to send a command signal to said selection apparatus in order to modify a configuration of said selection apparatus from a first configuration to a second configuration, wherein in said first configuration said seed meter (140) deposits said first seed, and wherein in said second configuration, said seed meter (140) deposits said second seed.