Nested Fence Rail Conduits for Solar Pool Water Heating
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Solution Overview
Problem
Conventional pool water heating devices such as solar panels, gas, and propane heaters are costly, ineffective, and unaesthetic, while existing combination fences that serve as both security and solar heaters fail to efficiently heat large volumes of water, provide temperature options, and prevent heat loss.
Innovation Solution
A combination fence and solar heater system featuring nested conduits within a fence rail that absorbs solar energy to heat pool water, allowing for selective temperature control and reduced heat loss, while maintaining the appearance and structural integrity of a conventional fence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional solar panels are used to heat pool water, then heating function is provided, but installation cost is high and aesthetic appearance is compromised
Solution Approach 1:
The fence rail serves dual functions: providing security fencing and heating pool water through integrated solar absorption. The conduit-containing rail replaces traditional solar panels, eliminating the need for separate installation while achieving both safety and heating objectives simultaneously.
Solution Approach 2:
The invention merges the fence structure with the solar heating function by integrating conduits within the fence rail. This combination consolidates two separate systems (fence and solar heater) into a single unified structure, reducing overall installation cost and improving aesthetic appearance.
2Temperature
If conventional solar panels are mounted on the roof, then heating function is provided, but aesthetic appearance deteriorates
Solution Approach 1:
The fence rail performs multiple functions including security barrier and solar heating. By integrating the heating function into the fence structure itself, the invention eliminates the need for visible roof-mounted solar panels, thereby maintaining aesthetic appearance while providing effective heating.
Solution Approach 2:
The fence rail with integrated conduits replicates the solar heating function traditionally performed by separate solar panels. This copying of the heating function into the fence structure allows the system to achieve the same thermal effect without compromising the visual appearance of the property.
3Temperature
If gas or propane heaters are used, then heating function is provided, but operational cost increases
Solution Approach 1:
The fence-mounted solar heating system utilizes free solar energy to heat pool water, eliminating the need for continuous fuel purchases required by gas or propane heaters. The system serves itself by converting abundant solar radiation into thermal energy, significantly reducing operational costs while maintaining effective heating.
Solution Approach 2:
The invention replaces the mechanical combustion system of gas/propane heaters with a passive solar thermal system. By substituting fuel-based heating with solar energy conversion, the system eliminates ongoing fuel costs while maintaining the ability to heat pool water effectively.
4Temperature
If heat pumps are used, then heating function is provided, but heating effectiveness is minimal
Solution Approach 1:
The fence is divided into multiple sections, each containing conduits that independently heat water. This segmentation across the entire fence perimeter maximizes the total surface area available for solar absorption, significantly increasing overall heating effectiveness compared to concentrated heat pump systems.
Solution Approach 2:
The invention transitions from a point-source or localized heating approach to a distributed linear heating system along the fence perimeter. By utilizing the extended one-dimensional structure of the fence, the system dramatically increases the total area available for solar energy absorption, thereby enhancing heating effectiveness.
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 effectively heats pool water to varying temperatures, extends pool usage, and reduces operational costs by utilizing solar energy efficiently, providing a cost-effective and aesthetically pleasing solution for pool heating.
Implementation Method 1
the exterior surface of the first conduit communicates with the sun whereby a portion of solar energy absorbed by the first conduit is transferred to and heats the first stream of water
Implementation Method 2
a portion of solar energy absorbed by the first conduit is transferred to the second conduit and in part to the second stream of water
Implementation Method 3
The second conduit is disposed within and insulated by the first conduit
Data Source
AI summary
A combination fence and solar heater. The fence for enclosing a swimming pool and heating water from the swimming pool in order to provide more comfortable swimming conditions and a longer swimming season. The fence includes posts, upper and lower rails, and pickets. The rails include first and second conduits, each having a passageway for carrying water being circulated in communication with the swimming pool. The first conduit has an exterior surface that is exposed to the sun; absorbing solar energy which heats the stream of water therein. The second conduit is nested within the first conduit and absorbs a portion of the energy absorbed by the first conduit. Often, water temperatures within the first and second conduits differ from each other, allowing for discharge of heated water over a range of temperatures to the swimming pool.