Sun-Tracking Solar Ventilation for Enclosure Temperature Control
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Solution Overview
Problem
Existing solar-powered heating and cooling systems lack comprehensive temperature control and efficient energy harvesting, as they do not provide means for further cooling or heating beyond ventilation and do not effectively track solar energy throughout the day.
Innovation Solution
A solar-powered heating and cooling system with a sun-tracking solar panel assembly and ventilation system that adjusts to follow the sun's movement, using a programmable micro-processing chip for control and incorporating motors and gears for panel repositioning, along with ventilation assemblies for temperature regulation in various modes (OFF, AUTO, SMART AIR, WARM AIR, and COOL AIR).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If solar panels are fixed in position, then device complexity is reduced, but solar energy harvesting efficiency decreases due to inability to track sun movement
Solution Approach 1:
The solar panels are made dynamically adjustable through a positioning system with motors and gears that can reposition the panels to track the sun's movement across the sky, transforming fixed panels into dynamic, adaptive structures that optimize energy capture throughout the day
Solution Approach 2:
Sun position sensors detect the sun's location and provide feedback signals to the control system, which then adjusts the panel positions accordingly, creating a closed-loop control system that continuously optimizes solar energy harvesting based on real-time sun position data
2Adaptability or versatility
If ventilation system provides only air circulation, then device complexity is reduced, but temperature control capability is insufficient
Solution Approach 1:
The ventilation system is designed with multi-functionality, incorporating not only air circulation capabilities but also heating elements and cooling mechanisms, allowing a single system to perform multiple temperature control functions (heating, cooling, and ventilation) rather than requiring separate systems for each function
Solution Approach 2:
The ventilation system includes adjustable components such as variable speed motors, controllable damper positions, and adjustable air flow rates that can dynamically adapt to different temperature control requirements, enabling the system to provide precise temperature regulation across varying conditions
3Productivity
If solar panels do not reposition overnight, then device complexity is reduced, but productivity is lost due to delayed sun tracking the next day
Solution Approach 1:
The positioning system automatically repositions the solar panels to their optimal starting position during nighttime hours before sunrise, performing preliminary action in advance of the next day's sun tracking, ensuring that panels are ready to immediately begin capturing sunlight as soon as the sun appears without requiring manual intervention or delayed tracking
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 adjusts to optimize solar energy harvesting and provides comprehensive temperature control by supplying heated or cooled air, re-circulating air, and circulating outside air, ensuring efficient energy use and temperature management within enclosures.
Implementation Method 1
a positionable solar panel assembly having a plurality of solar panels for supplying power to power consuming components of the heating and cooling system
Data Source
AI summary
A heating and cooling system for an enclosure includes a positionable solar panel assembly that supplies power to all the power consuming components of the system. A mountable sun tracking assembly continuously detects the position of the sun and adjusts the position of the solar panels to follow the movement of the sun during the day and to reposition the solar panels in the evening to receive the morning sun the following day. One or more ventilation assemblies mountable in one or more openings in the enclosure controllably supplies heated or cooled air into the enclosure, evacuating inside air, re-circulating inside air, and/or circulating outside air in response to control signals from the sun tracking assembly. A control box mounted inside the enclosure selectively controls operation and testing of the system. A dome is provided as an aesthetic covering for the ventilation assembly.