Precision Seeder Metering Slide Control During Sowing
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Solution Overview
Problem
Existing agricultural metering systems for precision seeders require manual adjustment of sliding elements, which are prone to operator error and cannot be adjusted during operation, leading to inconsistent seed application and inefficiencies.
Innovation Solution
Implementing a motorized actuating element connected to an on-board computer for automatic adjustment of the passage opening size based on seed type, application rate, and slope, using data transmission and sensors for real-time control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual adjustment mechanism is used for sliding element, then device complexity is reduced, but adjustment precision and consistency deteriorate due to operator error
Solution Approach 1:
The patent replaces the manual mechanical adjustment mechanism with an automated motorized actuating element controlled by an electronic system. The motorized actuator precisely positions the sliding element based on electronic signals, eliminating operator error while maintaining adjustability. This substitution of mechanical manual control with an electromechanical system resolves the contradiction between device complexity and adjustment precision.
2Adaptability or versatility
If manual adjustment is required for each seed type, then adaptability to different conditions is reduced, but device complexity is minimized
Solution Approach 1:
The patent implements a feedback-controlled system where sensors detect operating conditions (seed type, application rate, slope) and transmit this information to the electronic control unit. The control unit processes this data and automatically adjusts the motorized actuator to optimize passage opening size for the current conditions. This feedback loop enables high adaptability while managing complexity through intelligent control rather than mechanical complexity.
Solution Approach 2:
The electronic control system serves multiple functions: it controls the sliding element position, monitors seed fill level via sensors, detects operating conditions, and coordinates adjustments for different seed types and application rates. This multi-functional electronic system replaces what would require multiple separate mechanical adjustment mechanisms, achieving versatility without proportional increases in complexity.
3Productivity
If adjustment cannot be made during sowing, then productivity is reduced due to interruptions, but reliability of settings is improved
Solution Approach 1:
The patent transforms the static manual adjustment system into a dynamic automated system that can adjust passage opening size in real-time during operation. The motorized actuator responds to electronic control signals while the seeder is running, allowing continuous adaptation to changing conditions without stopping. This dynamic capability simultaneously improves productivity by eliminating interruptions and reliability through consistent electronic control.
4Loss of time
If multiple sliding elements require individual manual adjustment, then loss of time increases due to repetitive adjustments, but ease of operation is maintained
Solution Approach 1:
The patent combines multiple individual adjustment operations into a single automated process. The electronic control system manages all sliding elements simultaneously, coordinating their positions based on the selected seed type and operating conditions. This merging of multiple adjustment tasks into one unified electronic control operation dramatically reduces the time required while maintaining operational simplicity through a user-friendly interface.
Data Source
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AI summary
A metering system (2) of an agricultural machine, in particular a precision seed drilling machine, with a separating housing (3), with a separating device (6, 7) of the metering system, which separating device (6, 7) is arranged in the separating housing, with an associated seed storage chamber (5) which is situated on the separating side (7.1) of the separating device in the separating housing, with a supply container (4) which is assigned directly to the seed storage chamber of the separating housing, with a dividing wall (19) which is arranged between the supply container and the seed storage chamber, and with at least one seed passage opening (20) which is arranged in the dividing wall and the passage size of which can be set by way of at least one adjustable slide element (21, 21.1) by means of at least one setting element (22). In order to provide an improved setting possibility for the slide element in order to set the size of the passage opening between the supply container and the seed storage chamber, above all even during the sowing work, it is provided that the at least one setting element of the adjustable slide element is configured as a motorized actuating element which is connected by means of a data transmission device to an electronic on-board computer, in the memory of which data for setting the passage size which is defined by the slide position are stored, and the motorized actuating element of the slide can be actuated accordingly in order to set the passage size of the passage opening.