Capillary Wicking Seed Pad Positioning for Moisture Control
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Solution Overview
Problem
Existing plant growing systems face issues with inconsistent water supply, leading to sub-optimal moisture conditions, which can result in lower yields and potential mold formation, and are often bulky and costly to manufacture.
Innovation Solution
A growing device with a seed pad support structure and wicking system that ensures homogenous moisture supply through capillary action, featuring a protrusion and perforation design for precise seed pad positioning and a vent mechanism to enhance evaporation, combined with a removable wick holder for easy maintenance and efficient water transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional water supply system is used for seed pads, then water can be supplied to seeds, but the moisture supply is inconsistent leading to sub-optimal growing conditions
Solution Approach 1:
The patent replaces traditional mechanical water supply systems (pumps, pipes, valves) with a capillary wicking system that uses the natural capillary action of porous materials to transport water from the reservoir to the seed pad. This eliminates mechanical complexity and provides consistent, passive moisture delivery throughout the growth cycle, resolving the contradiction between reliable moisture supply and productivity.
Solution Approach 2:
The wicking structure automatically regulates water delivery through capillary forces without external control mechanisms. The system self-adjusts water flow based on moisture demand, maintaining optimal humidity levels consistently. This self-regulating mechanism ensures reliable moisture supply that directly supports high plant yields without requiring active mechanical intervention.
2Reliability
If existing growing systems are designed to ensure adequate water supply, then seeds receive moisture, but the systems become bulky and costly to manufacture
Solution Approach 1:
The patent extracts the essential water transport function from complex mechanical systems and isolates it into a simple wicking structure made of porous material. By removing unnecessary mechanical components (pumps, motors, control systems) and retaining only the fundamental capillary action mechanism, the system achieves adequate water supply with minimal structural complexity and manufacturing cost.
Solution Approach 2:
The invention uses porous wicking materials that inherently provide water transport pathways through their microstructure. The porous structure of the wick and seed pad base creates capillary networks that automatically deliver water without mechanical assistance. This approach achieves reliable water supply using only the material's intrinsic properties, eliminating the need for bulky mechanical water delivery systems.
3Productivity
If water is supplied to seeds in traditional systems, then plants can grow, but water usage is inefficient and material waste occurs
Solution Approach 1:
The wicking structure maintains continuous contact with the seed pad throughout the growth cycle, providing uninterrupted capillary water transport. This continuous connection ensures water is delivered steadily to the seeds and plants as needed, minimizing evaporation losses and preventing water stagnation. The system maintains useful water transport action continuously, improving efficiency while supporting sustained plant growth.
Solution Approach 2:
The patent applies different porosity and wicking properties to different zones of the system: the wick has high porosity for water uptake from the reservoir, the seed pad base has controlled porosity for uniform water distribution to seeds, and the growing medium has appropriate pore structure for root development and moisture retention. This localized optimization of material properties ensures efficient water delivery exactly where needed, reducing waste while maintaining high productivity.
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
The system provides consistent moisture to all seeds throughout the growth cycle, optimizing yields while minimizing water usage and material waste, and ensuring robust and economic plant growth with improved illumination and nutrient delivery.
Implementation Method 1
a wicking structure for each seed pad configured to contact, when the corresponding seed pad is in the growing position, the bottom surface of the seed pad at a predetermined wicking interface area and configured to transport water from the water container into the seed pad through the wicking interface area via capillary action
Implementation Method 2
a vent mechanism to enhance evaporation
Data Source
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AI summary
The present invention relates to a growing device for growing plants from seeds, comprising a water container, a seed pad support structure for receiving one or more seed pads in a predetermined growing position above the water container and a wicking structure for each seed pad configured to contact, when the corresponding seed pad is in the growing position, the bottom surface of the seed pad at a predetermined wicking interface area and configured to transport water from the water container into the seed pad through the wicking interface area via capillary action and wherein the seed pad support structure comprises a protrusion for each seed pad, the protrusion having a predetermined shape and orientation and being configured to interact with a correspondingly shaped perforation in the corresponding seed pad thereby defining the predetermined growing position. The present invention also relates to a corresponding seed pad and a growing system comprising a growing device and one or more seed pads.