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Use a mini fridge for cooling?

post #1 of 11
Thread Starter 
This is not another can I stick my computer in a fridge thread.

It's just an idea I had, Micro fridges use TEC's to keep things cool, They can take a 12v or 240v supply and have all the bits and bobs needed to power a TEC all in a self contained box.

Now if for example I was to take a micro fridge apart and replace it's TEC with a more powerful one would it work?

Would using the fridges power supply bypass the need for a expensive 12v TEC power supply?

Buy a fridge, Take it apart, Replace the stock TEC with a more powerful one, Shove it into the PC.

What you guys think?

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Edited by Rocket Dog - 8/1/11 at 3:27am
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post #2 of 11
Thread Starter 
Its for cheapness, You can get a 250-350w TEC off Ebay for dirt cheap and a micro fridge for £20-30.

All that would need to be done is to replace the stock TEC the fridge uses with a more powerful one. And then stick the fridges power supply into a PC case and then just use the TEC on the CPU as you would normally.

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post #3 of 11
what makes you think the fridge PSU will be capable of running the more powerful TEC? They're often barely capable of running the crappy TECs they come with properly, let alone a more beefy unit.
post #4 of 11
Thread Starter 
Quote:
Originally Posted by the_beast View Post
what makes you think the fridge PSU will be capable of running the more powerful TEC? They're often barely capable of running the crappy TECs they come with properly, let alone a more beefy unit.
It was just an idea, No need to get so arsey

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post #5 of 11
A microfridge's PSU isn't going to be able to power a TEC potent enough to cool anything but the lowest power PC components.
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post #6 of 11
Thread Starter 
Quote:
Originally Posted by Blameless View Post
A microfridge's PSU isn't going to be able to power a TEC potent enough to cool anything but the lowest power PC components.
So in orser to power a 250-300w TEC I'll to find a micro gridge that also comes with a 250-300w TEC?

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post #7 of 11
You can probably get a two door fridge from the junk yard (make sure it works before) and just pull out the cooling/compressor unit of the freezer make sure u retain the regulator and then can create like a channel to connect it to the cpu or something like that and then line the channel with some kind of silica gel packet (like the one from here http://www.silicagelpackets.com/silica-gel-packets/) to absorb the moisture...
Now u have one hell of a cooling unit...

Just my 2 cents.... Hope it helps
post #8 of 11
Quote:
Originally Posted by adilj View Post
You can probably get a two door fridge from the junk yard (make sure it works before) and just pull out the cooling/compressor unit of the freezer make sure u retain the regulator and then can create like a channel to connect it to the cpu or something like that and then line the channel with some kind of silica gel packet (like the one from here http://www.silicagelpackets.com/silica-gel-packets/) to absorb the moisture...
Now u have one hell of a cooling unit...

Just my 2 cents.... Hope it helps
I haven't looked at fridge cooling in some time but I'm not even sure that a large fridge compressor would be able to deal with it.

They're not designed for 24/7 running because they work by insulating themselves and lowering the temperature over time. That generally means they're not great with heatloads as mentioned before about the mini fridge (though a different issue entirely).

The best solutions are old AC units tbh.
    
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post #9 of 11
It's very simple, if you want a system that is not power efficient at all for 24/7 sub-zero, you either build a bad ass TEC setup with a very powerful TEC, or you build/buy a phase change system designed for a PC. You can't take apart any A/C or fridge for that matter and have it work unless it is a large industrial A/C and or fridge, in which case it is most likely easier to build a phase change system from scratch using the right components or just buying a phase change unit from someone/some company.

You will of course have to insulate everything once you go sub-zero.
 
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post #10 of 11
Quote:
Originally Posted by Shrimpykins;14449136 
It's very simple, if you want a system that is not power efficient at all for 24/7 sub-zero, you either build a bad ass TEC setup with a very powerful TEC, or you build/buy a phase change system designed for a PC. You can't take apart any A/C or fridge for that matter and have it work unless it is a large industrial A/C and or fridge, in which case it is most likely easier to build a phase change system from scratch using the right components or just buying a phase change unit from someone/some company.

You will of course have to insulate everything once you go sub-zero.

You got my full attention. but something is confusing me ...

Do you mean that an ordinary fridge or AC (generally used at home) CANNOT cool a computer ??

Sorry for my bad English
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