Plant Cultivation Device Root Guide Ribs
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Solution Overview
Problem
Plant roots often engulf irrigation tubes in pot-based cultivation systems, blocking water flow and gas exchange, and making it difficult to remove the substrate, leading to inefficient irrigation and potential nutrient loss.
Innovation Solution
A plant cultivation device with a container featuring irrigation tubes that use capillary action and guiding means, such as ribs, to divert roots away from the tubes, ensuring they remain clear and preventing obstruction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If irrigation tubes are placed at the bottom of the container for capillary irrigation, then water can be supplied efficiently to the substrate without leaching nutrients, but plant roots will grow into the irrigation tubes and clog them, hindering water flow and gas exchange
Solution Approach 1:
The bottom wall is segmented into multiple regions: irrigation zones with irrigation tubes for water supply, and non-irrigation zones with guiding ribs that redirect roots. This segmentation separates root growth paths from irrigation tube openings, preventing clogging while maintaining irrigation efficiency
Solution Approach 2:
Guiding ribs act as intermediary structures between the irrigation tubes and the substrate surface. These ribs create a physical barrier that mediates root growth, directing roots away from the irrigation tube openings while still allowing the irrigation system to function effectively
2Ease of operation
If roots are allowed to grow freely into the substrate, then the substrate can be easily removed, but roots will obstruct the irrigation tubes and interfere with water flow and gas exchange
Solution Approach 1:
The container bottom is divided into irrigation areas with tubes and non-irrigation areas with guiding ribs. This segmentation allows roots to grow freely in the non-irrigation zones along the ribs without obstructing the irrigation tubes, maintaining both substrate removability and irrigation functionality
Solution Approach 2:
Different regions of the bottom wall have different functions: some areas have irrigation tubes for water supply, while other areas have guiding ribs that create root diversion paths. This local differentiation ensures that roots are guided away from critical irrigation areas while maintaining overall system functionality
3Volume of stationary object
If the potting mix is made thin to fit in pots, then the container size is reduced, but the potting mix cannot retain water sufficiently, requiring more frequent watering
Solution Approach 1:
The system uses capillary action (a hydraulic principle) through wicks in the irrigation tubes to automatically transport water from the bottom reservoir up through the substrate. This eliminates the need for thick water-retaining soil layers, allowing compact container designs while maintaining adequate water supply to plants
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 solution effectively prevents root obstruction of irrigation tubes, maintaining efficient water supply and gas exchange, while allowing easy removal of the substrate, thus enhancing plant growth and system functionality.
Implementation Method 1
at least one irrigation tube containing a wick for drawing water up by capillary action
Data Source
Figure 1~2
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AI summary
The invention concerns a plant cultivation device (1). The device (1) comprises a container (2) that has at least a peripheral wall (21) and a bottom wall (22). The bottom wall (22) has at least one hole (23) that opens into an irrigation tube (25), a region of the bottom wall (22) around the or each hole (23) comprising guide means suitable for guiding the roots of a plant around the corresponding hole (23) in order to keep the irrigation tube (25) substantially unblocked. The invention also concerns a cartridge comprising a substrate, suitable for being positioned in this container, the cartridge having a lower face comprising at least one protrusion suitable for cooperating with the guide means of the container.