Seed Germination Control via Atomizing Nozzle

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Solution Overview

Problem

Existing seed germination devices fail to accommodate the diverse temperature and humidity requirements of different seed types, leading to issues like rotting or non-germination, and are not scalable or adaptable to various climatic environments.

Innovation Solution

A germination control method using a device with a confined enclosure, removable trays, and an atomizing nozzle that disperses a water-air mixture or air alone, with control parameters adjusted based on ambient and seed-specific parameters to create an optimal germination environment, including frequency, duration, and droplet size, to regulate temperature, humidity, and oxygenation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single germination environment is used for all seeds, then the device structure is simple, but seeds with different temperature and humidity requirements cannot germinate properly

Engineering Contradiction:
Improveadaptability to different seed requirementsVSAvoiddevice structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The germination chamber is divided into multiple independent zones, each capable of maintaining different temperature and humidity conditions. Trays are segmented to accommodate different seed types in different environmental zones, allowing simultaneous germination of diverse seeds without requiring a completely separate device for each seed type.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions within the germination device provide different environmental conditions (temperature, humidity) tailored to specific seed requirements. The device creates localized microclimates rather than a uniform environment, ensuring each seed type receives its optimal germination conditions while maintaining overall device simplicity.

Inventive Principle:
Principle #3Local quality

2Ease of operation

If manual seed sprinkling is required, then the device structure is simple, but the user must determine seed density and layer thickness

Engineering Contradiction:
Improveease of seed placementVSAvoidseed placement mechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

Seed trays are pre-configured with optimal seed density and layer thickness before placement in the germination device. The device includes pre-marked guides and positioning systems that ensure correct seed placement without requiring the user to manually calculate or measure seed distribution, thereby maintaining simple device structure while improving ease of operation.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If aerosol dispersion is used for moisture delivery, then the seeds are well-oxygenated, but the temperature control precision is insufficient

Engineering Contradiction:
Improvegermination success rateVSAvoidtemperature control precision
Core Design Contradiction:
ReliabilityVSMeasurement precision

Solution Approach 1:

A humidity control mechanism acts as an intermediary between the aerosol dispersion system and the seeds. This intermediary layer provides fine-tuned moisture delivery and temperature regulation, enhancing the precision of temperature control while maintaining the oxygenation benefits of aerosol dispersion, thereby improving overall germination reliability.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Adaptability or versatility

If the device is designed for a specific production scale, then the structure is optimized, but it cannot be implemented at all scales

Engineering Contradiction:
Improvescalability to different production scalesVSAvoiddevice configuration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device incorporates modular and adjustable components that allow dynamic reconfiguration for different production scales. Trays, chambers, and environmental control systems can be added, removed, or adjusted to match the required production capacity, enabling the same device design to operate efficiently from small-scale home use to large-scale commercial production without requiring completely different device architectures.

Inventive Principle:
Principle #15Dynamics

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

This method allows for the simultaneous germination of various seed types in any-sized germinator, ensuring improved hygiene and health safety by optimizing the germination environment, reducing the risk of rotting or non-germination, and adapting to different climatic conditions.

Implementation Method 1

an atomizing nozzle configured to disperse, in the enclosure, alternately a water-air mixture in the form of droplets, or air alone

Methodology Applied
Scientific EffectAtomization:

Data Source

PatentEP3648565B1Method for controlling the germination of seeds and germination device
Publication Date: 2021.09.01 PEYRARD CINITIA ANAIS
  • EP3648565B1 patent drawingFigure 1
  • EP3648565B1 patent drawingFigure 2~3
  • EP3648565B1 patent drawingFigure 4

AI summary

The invention concerns a method (E) for controlling the germination of seeds in a germinator (1), said germinator (1) comprising a control unit (9) configured to implement a step consisting of determining, from ambient parameters at the germinator (1), information relative to the quantity and type of seeds to be germinated, and the respective location of same inside the chamber (17), and germination parameters specific to the germination of the seeds to be germinated in said chamber (17), control parameters for controlling the spray nozzle (5) so as to obtain, inside the chamber (17), an environment conducive to the germination of the seeds, said control parameters comprising a frequency of dispersion of the water-air mixture in the form of droplets, by the spray nozzle (5), and a frequency of dispersion of air.