Retractable Photovoltaic System
by PeriniM, published
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Hello everybody, this is my prototype of a Retractable Photovoltaic System.
WHY I DID IT
2015 has been proclamed by UNESCO "International Year of Light".
It is " a global initiative adopted by the United Nations to raise awareness of how
optical technologies promote sustainable development and provide solutions to worldwide challenges in energy, education, agriculture, communications and health. "
|University of Padua (02/11/2015) has launched a contest in order to increase awareness of worldwide issues among students from secondary schools.|
So I decided to join the competition focusing on solar energy.
WHAT IS MY PROJECT ABOUT?
- How Does It Work
It consists on six panels, arranged as the petals of a flower, and a mechanism (using servos) which allows them to move. My idea was to close the "petals" when there is bad weather (such as rain, snow, hail...), in order to avoid damages to the solar panels, and let them opened when the sun is shining.
- What's the purpose
I've invented this "solar flower" to be placed in every kind of place you like (desert, hills, mountains...).
If we think of all those solar parks located in a place where snow fallings are not rare, we can notice that they lose a lot of energy because of the whole layer of snow, previously felt on the surface. An issue brought by this problem is the need of a daily routine maintenance, to make them working again (often very expensive).
So, I've focused my mind toward only one thing: increase efficiency and reduce maintenance costs
How I Designed This
First of all I have sketched out my ideas. Took up my pen and started drawing!
Then I've focused on the measures.
For all the designs I've used the 2D/3D software Autocad 2015 Student Version.
|Flower Mechanism Structure|
At the end I rendered all the parts for the presentation.
Flower Parts Gathered
Tree Parts Gathered
Circuit Parts Gathered
<ul> <li><h5><b>3D Printers</b></h5></li> </ul>
Rostock MiniI have printed all the white parts of the flower and few red ones. (Click on it)
Prusa Mendel I2I have printed all the purple parts and most of the red ones. (Click on it)
Print in progress...
Some of the results
I have decided to use Arduino Nano for programming all the movements of the flower's servos and tree's ones. I have to say that the code is not so easy because I implemented arrays and functions, manual and automatic commands, but it was worth it!
I used a nunchuck controller for driving the servos (it communicates with Arduino through I2C Serial Interface):
ManualYou are able to move the flower in whichever position you want, opening and closing it.
Automatic PathThe flower follows a default path which consists on the positions of the sun during the day.
<ul> <li><h5><b>Arduino Nano Pinout + Scheme</b></h5></li> </ul>
<ul> <li><h5><b>Circuit Realization</b></h5></li> </ul>
Part 1 - Circuit
The cover is to avoid people touching the electronic components.
Part 2 - Tree
The aim of it is to camouflage the flower when it is at "idle".
Part 3 - Flower
That's the main part of the project.
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Retractable Photovoltaic System by PeriniM is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- You must distribute Remixes under the same license as the original.
- Remixing or Changing this Thing is allowed.
- Commercial use is not allowed.
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