Hydroponic Grow Tray Layout for Spill-Safe Nutrient Circulation
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Solution Overview
Problem
Existing hydroponic cultivation systems lack adjustable light intensity and spectrum settings, have large water containers that are difficult to manage, and require manual nutrient adjustments, leading to potential plant growth failure.
Innovation Solution
A hydroponic cultivation apparatus with a reverse Ebb and flow system, adjustable LED lighting, and automated nutrient management, featuring sensors and a control system to optimize light and nutrient levels for different plant growth stages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If deep water culture method or ebb & flow method is used with a large grow base, then the plant growth area is sufficient, but the system becomes difficult to handle and water spills easily
Solution Approach 1:
The system divides the grow base into multiple detachable trays that can be individually handled. Each tray is a separate module that fits into a larger framework, allowing users to manage smaller portions at a time while maintaining a substantial total growing area. This segmentation makes the system easier to handle and reduces water spillage risks.
2Device complexity
If the water container is placed directly under the plant growth area, then the system structure is simple, but the system lacks flexibility and is difficult to manage
Solution Approach 1:
The system employs a dynamic water circulation mechanism where the water container is positioned separately from the grow base, connected via pump and tubing. This allows the water level and flow rate to be dynamically adjusted based on plant needs, providing flexibility while maintaining structural organization. The decoupled design enables independent optimization of water management and plant support structures.
3Ease of manufacture
If fixed lighting setup is used, then the system is simple to manufacture, but it cannot adjust light intensity and spectrum for different plant growth stages
Solution Approach 1:
The system incorporates adjustable LED lighting with controllable intensity and spectrum parameters. Different LED wavelengths and brightness levels can be selected to match specific plant growth stages, from germination to flowering. This parameter adjustability allows optimization of light conditions without significantly complicating the manufacturing process, as it relies on standard LED modules with electronic control.
4Device complexity
If manual nutrient adjustment is required, then the system is simple in design, but it may lead to wrong nutrient consumption and plant growth failure
Solution Approach 1:
The system incorporates automated nutrient management where sensors monitor water quality parameters and the system automatically adjusts nutrient dosing. The pump system circulates and replenishes nutrients based on detected plant needs, reducing reliance on manual intervention. This self-regulating mechanism improves plant growth reliability while adding only moderate system complexity through standard sensing and control components.
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 efficient nutrient circulation, maintains optimal oxygen levels, and adjusts light intensity and spectrum automatically, enhancing plant growth and user experience.
Implementation Method 1
reverse Ebb and flow water system
Implementation Method 2
adjustable LED lighting
Data Source
Figure 1a~1b
Figure 2
Figure 3
AI summary
A hydroponic cultivation apparatus includes a reservoir (201), a plinth (202), a grow tray (203) with a grow tray lid (204), and a docking (208) with couplers (218, 219). The reservoir, placed upon the plinth, is located at a higher position adjacent to the grow tray for optimizing liquid circulation from the reservoir to the grow tray and vice versa using one or more pipes (209, 211), a solenoid valve (107) and a pump (108). The base (205) further includes a dock coupled to the grow tray for providing an electrical connectivity to the grow tray and simultaneously allowing the liquid to flow through the grow tray without being leaked. Further, the apparatus is having a roof which is provided with sources of illumination for providing light required for plant growth. A system and a method for facilitating hydroponic cultivation.