Multifunction solar utility panels
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Solution Overview
Problem
In developing countries, there is a lack of access to reliable potable water, hot water, and electricity due to high costs, inadequate infrastructure, and limited financing options, with existing solar panels not providing multiple functionalities like water purification and pay-as-you-go capabilities.
Innovation Solution
A multi-function solar panel with three chambers for electricity generation, water purification, and storage, incorporating a solar PV cell, absorber assembly, and preheating system, which uses solar energy to produce potable water and electricity while allowing for pay-as-you-go functionality and data collection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If solar panels are used to generate electricity and heat water, then energy production is improved, but the ability to produce potable water and provide financing functionality is lacking
Solution Approach 1:
The solar panel system integrates multiple functions into a single device: electricity generation through PV cells, water purification through a still chamber, and hot water production through thermal absorption. The panel structure includes a PV chamber, still chamber, and hot water chamber that work simultaneously to address multiple resource needs (electricity, potable water, hot water) from a single solar energy input, eliminating the need for separate systems.
2Productivity
If the solar panel system integrates multiple functions (electricity, water purification, hot water), then resource production is improved, but the device complexity increases
Solution Approach 1:
The solar panel is divided into three distinct functional chambers: a PV chamber for electricity generation, a still chamber for water purification, and a hot water chamber for thermal energy storage. Each chamber is independently designed and positioned to optimize its specific function while working as an integrated system. The segmented structure allows for modular manufacturing and maintenance while achieving multiple productivity goals.
3Ease of manufacture
If capital cost of water purification devices is reduced, then accessibility is improved, but the quality and reliability of potable water production may deteriorate
Solution Approach 1:
The still chamber is designed to operate passively using solar thermal energy, with water evaporating and condensing automatically without requiring external power sources or complex mechanical components. The system uses gravity for water flow and natural convection for heat transfer, eliminating the need for expensive pumps, heaters, or control systems while maintaining reliable potable water production through proven distillation physics.
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 multi-function solar panel effectively addresses the access issues by providing a cost-effective, maintenance-free solution for producing potable water and electricity, with integrated financing and data collection capabilities, enhancing water production rates and energy efficiency.
Implementation Method 1
one chamber being used for electricity generation
Implementation Method 2
The absorber is a solar absorber for converting the energy of the sun into heat
Implementation Method 3
cooling of the PV panel and partial preheat of the feed water to a still
Implementation Method 4
produce potable water through a process of flashing and evaporation of feed water
Implementation Method 5
the still produces potable water through a process of flashing and evaporation of feed water followed by condensation
Implementation Method 6
followed by condensation on the glass cover and collection
Data Source
AI summary
A multi-function solar panel, the panel being of the tilted tray type which is divided into three chambers, one chamber being used for electricity generation, and cooling of the PV panel and partial preheating of the feed water to a still, one for processing the feed water to produce potable water and the other for water storage and other ancillary devices used in the production process and PAYG functionality of the multi-function solar panel.