Multi-Row Planter with Pneumatic Seed Switching

Solution Overview

Problem

Existing planters face difficulties in efficiently planting small plots with different types of seeds, requiring manual intervention and skilled personnel to change seed varieties, which is time-consuming and costly, especially for seed testing and precision agriculture.

Innovation Solution

A multi-row planter with a seed storage device and pneumatic seed transportation system that allows for automatic and rapid switching between seed types, enabling the simultaneous planting of multiple plots with different seeds without interrupting the planting process, using a system of rotating hoppers and conduits connected to individual planter units.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If manual seed changing is used in existing planters, then seed variety can be changed between plots, but the process requires stopping the planter and skilled personnel, which reduces productivity and increases costs

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

Multiple seed hoppers are pre-loaded with different seed varieties before entering the field. The system prepares all necessary seed types in advance, eliminating the need to stop for manual reloading during operation. The control system pre-plans the seed variety sequence based on the planting map.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system automatically selects and switches between seed hoppers based on the required plot configuration. The control system monitors seed levels and automatically directs the pneumatic system to replenish hoppers from the storage unit, eliminating the need for skilled operators to manually intervene.

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If manual seed changing is implemented, then different seed varieties can be planted, but skilled personnel must be deployed and supervised, increasing operational costs and complexity

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Seed level sensors continuously monitor the quantity of seed in each hopper and provide feedback to the control system. The control system processes this information and automatically activates the pneumatic transfer system to replenish hoppers when needed, creating a closed-loop automated system that requires no manual supervision.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The manual mechanical process of removing and inserting seed hoppers is replaced by an automated pneumatic transfer system. Compressed air channels automatically transport seeds from the storage unit to the required hoppers, eliminating the need for skilled operators to manually handle seed containers.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If the planter is stopped for seed changes, then seed varieties can be switched, but valuable planting time is lost, reducing overall field coverage

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The planter maintains continuous forward motion and continuous planting operation throughout the field traversal. The automated pneumatic seed transfer system operates simultaneously with the planting process, ensuring that seed variety transitions occur without interrupting the useful action of planting seeds in the ground.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

All seed varieties are loaded into the respective hoppers before the planter enters the field. The system pre-configures the seed supply for the entire field width, allowing the planter to traverse and plant multiple plots of different varieties without returning or stopping to reload seeds.

Inventive Principle:
Principle #10Preliminary action

4Adaptability or versatility

If multiple seed hoppers are used for different varieties, then plot customization is enabled, but the system complexity and initial loading time increase

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

A single standardized hopper design is used for all seed varieties, with each hopper capable of holding any seed type. The pneumatic transfer system and control logic are universal, managing any combination of seed varieties through the same infrastructure, which simplifies manufacturing and operation compared to having specialized systems for each variety.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system accepts a planting map input that defines the configuration of different plots and seed varieties. Based on this input, the control system automatically generates the seed variety assignment for each hopper and pre-configures the pneumatic transfer system, transforming a complex customization task into a simple input-output process.

Inventive Principle:
Principle #10Preliminary action

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

Facilitates the efficient and automated planting of various seed plots, reducing the need for skilled labor and minimizing supervision, allowing for precise matching of seed varieties with local conditions, and enabling both small-scale testing and large-scale precision agriculture.

Implementation Method 1

Each planter unit is equipped with a pneumatic system for receiving seeds from the storage device

Methodology Applied
Scientific EffectPneumatics: Pressure Gradient

Implementation Method 2

A fan may be used to pressurize air in the pneumatic tubes to facilitate seed movement

Methodology Applied
Scientific EffectPressure increase: Pressurisation

Data Source

PatentEP1880337B1Custom planter and method of custom planting
Publication Date: 2014.08.13
  • EP1880337B1 patent drawingFigure 1
  • EP1880337B1 patent drawingFigure 2
  • EP1880337B1 patent drawingFigure 3

AI summary

A method of planting test plots of different seeds in a field includes loading a multi-row planter with a first seed, and traversing the field and planting a test plot of the test plot of the first seed in a portion of the test field; automatically removing the first seed from the multi-row planter and loading a second seed into the multi-row planter, and traversing the field and planting a test plot of the test plot of the second seed in the field.