Solar Aeration System with Floating Diffuser and Ground-Mounted Pump
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Solution Overview
Problem
Existing solar-powered water aeration systems face challenges such as difficult installation and maintenance, tampering damage, limited battery life, and energy inefficiencies due to the use of batteries and fans, which detract from aesthetics and functionality.
Innovation Solution
A solar-powered water aeration system with a mounting pole and encasement structure that houses an air pump and solar controller, featuring an air-permeable design for passive cooling and no batteries, with a conduit system buried underground to prevent damage and tampering, and a floating diffuser platform that maintains diffusers at a desired depth for efficient oxygenation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a floating base with pump and solar panel is used for subsurface aeration, then oxygen can be restored to water, but the equipment visible above water detracts from aesthetics and is difficult to maintain
Solution Approach 1:
The pump and solar panel are extracted from the floating base configuration and relocated to a ground-mounted position. The air pump is installed in a box on the ground surface outside the pond, and the solar panel is mounted to a post in the ground surface, separating the equipment from the water body while maintaining aeration functionality through underground air tubes.
Solution Approach 2:
An intermediary air tube system is introduced to connect the ground-mounted pump to the submerged diffuser. The air tube extends from the pump through the ground and into the water to release air bubbles, serving as a mediator that transfers air from the land-based pump to the underwater diffuser without requiring visible floating equipment.
2Use of energy by moving object
If batteries or energy accumulators are included with solar panels, then energy storage is provided, but service life is limited and repair is frequently needed
Solution Approach 1:
The battery or energy accumulator is completely removed from the system. The patent explicitly states the system operates without a battery or other energy accumulator, eliminating the component that causes limited service life and repair needs while maintaining solar-powered operation.
Solution Approach 2:
The system is designed to operate directly from solar power without energy storage, requiring the pump to function during daylight hours when solar energy is available. This self-service approach eliminates the need for batteries by using solar energy directly when available.
3Temperature
If fans are added to cool pump motors, then motor temperature is controlled, but energy is depleted from battery and fans can be clogged by debris
Solution Approach 1:
The fan cooling system is completely removed from the pump motor design. The patent specifies that the pump motor is not cooled by a fan, eliminating the energy-consuming and debris-prone cooling mechanism while maintaining motor operation without active cooling.
Solution Approach 2:
The pump motor operates without active fan cooling, relying on passive heat dissipation and natural convection. This self-service approach eliminates the need for additional energy input for cooling while avoiding the problems of fan clogging and energy depletion.
4Ease of manufacture
If ground mounted system with exposed air tubes is used, then installation is simpler, but air tubes can be harmed by lawn maintenance equipment
Solution Approach 1:
The air tube is nested within the hollow mounting pole for a portion of its length. The conduit is positioned within the channel of the mounting pole, providing physical protection from lawn maintenance equipment while maintaining the simple ground-mounted installation approach.
Solution Approach 2:
The mounting pole structure serves as an intermediary protective element between the air tube and external harmful factors. The hollow pole encases and protects the air conduit from damage by lawn maintenance equipment while allowing the system to remain ground-mounted for simple installation.
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, tamper-resistant, and aesthetically pleasing subsurface aeration without batteries or fans, ensuring extended operation and improved oxygen transfer rates through buried conduit and submerged diffuser placement.
Implementation Method 1
A solar panel is directly or indirectly joined to the encasement or to the mounting pole such that the solar panel is at or near the top end of the mounting pole. The solar panel generates power that may be converted to current for driving the air pump.
Implementation Method 2
An air pump is held within the encasement. A conduit for air pumped into the conduit by the air pump is connected at one end to the air pump and at its opposite end is adapted to connect directly or indirectly to at least one diffuser.
Implementation Method 3
Oxygen can be restored to a body of water by injecting dissolved oxygen at predetermined depths (subsurface aeration). The diffuser is immersed in the water and releases air bubbles to aerate the pond.
Implementation Method 4
The encasement has at least one air permeable wall, preferably at least two air permeable walls. The air permeable wall(s) may be a perforated sheet, a screen, a mesh or a wire mesh.
Data Source
AI summary
A water aeration system powers an air pump held in an encasement with a solar panel mounted directly or indirectly to the encasement or to the mounting pole supporting the encasement above a ground surface. An air conduit directs pumped air to one or more disc diffusers submerged in the body of water to be aerated. The disc diffuser(s) are supported by a floating platform that is suspended from a buoy or float so that the disc diffuser(s) are held at a desired depth below the water surface.