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peltier fan / phone charger

by:Mingfa Tech     2020-01-14
Jean Charles Athanase Peltier, a 30-year-old watch dealer, decided to become a physicist.
His experiment led to the technology used in the project.
It\'s worth reading Wiki.
As a 30-year-old Tinker Bell, I decided to give it a try.
I \'ve always wanted to generate airflow at the top of my rocket mass heater as a lot of heat goes up directly from the top of the barrel.
As a young player, I have seen some Peltier fans who made it for this reason.
I would really like this to be very beautiful as the rocket quality heater is the center of the living space.
I always keep the radiator from past PC builds and upgrades.
So this is most of what I need.
Purchased for this project
The only radio cabin on their shelves had an electric motor. Rated for 1.
5 voltsishThe fan blades were given to me from the RC store.
40mm X 40mm Peltier claims to produce up to 12 volts (ebay)
Mini PFM control acceleration.
Since then, this is a series of things that make things right.
I did a series of work on stacked radiators and peltier devices.
Imagine where and how my fan motor will be installed.
After some measurements, I realized that it would work perfectly if I sacrificed one of my OOAK Forge slingshot frames.
I chopped the frame and the fan centered in the upper radiator.
Then cut the frame at the big hole suitable for the fan.
This is done so that I can crush the closed slice area, resulting in a clamping action on the motor.
Use the chisel to pry open the opening and slide the motor into the hole.
To my surprise, it works very well.
Three holes were opened on the lower radiator.
Two slingshot racks were attached to the sink in front.
One spring back in the center and will start playing later.
Once ready to connect the frame, I have placed two brackets between the frame and the sink to help heat the fan motor.
My purpose is to use a similar spring rod that sometimes holds the CPU radiator on the CPU.
I found a piece of metal that fits well.
Then go ahead and polish and archive until it hooks into the existing holes in the slingshot frame.
The back end leaves such a slight boost.
A hole was drilled in the back to hold the spring.
I customized an existing spring to hang on the back screw and the spring rod.
It was a rather painful experience, completely banana.
Once everything was said and done, it was surprisingly good.
Weld the Peltier device to the fan motor.
After the test, I went back and added clues to test other devices.
For example, a mini PFM control for charging a 5 volt device.
This is the device that allows you to charge items that require a 5 V voltage.
There is welding in the middle of the butt joint connector I use, just a hot gun is required.
Very nice little thing.
I mean put everything together and make sure they\'re all right.
Do this before hot grease is applied.
Always happy to do it before I start thinking I\'m done.
When I did my thing, I found that my fan blade hit the \"spring Bar \".
I took it apart and filed it for the permission needed.
After testing the suitability of everything, I put them back together with the thermal grease between the peltier device and the two radiators.
So, lower radiator, grease, Peltier, grease, upper radiator.
It works very well and is relatively simple to make.
I think this can be done in many ways.
This is my hope that you will love that the surface of the rocket quality heater in the center has reached 830 degrees, so I keep it on the edge of 500 degrees.
In that area, the top of the radiator does not reach more than 320, which is ideal because the rated temperature of Peltier does not exceed 350.
My phone knows it\'s charging, but I find the fan and phone attractive.
To test a switch or other device. Best of luck!
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