Overclock.net › Forums › Cooling › Specialized Cooling › Peltiers / TEC › TEC Chill Box Chamber Build log
New Posts  All Forums:Forum Nav:

TEC Chill Box Chamber Build log - Page 36

post #351 of 1665
Thread Starter 
well what good do the 12730's do me?
one i could change out the 12726's if there just barly are not enough cooling for my needs. wink.gif
two if i am way off, and i need a lot more cooling, i was thinking that i could cascade them to drop the cold side temps on the 12726's. biggrin.gif
i really do not have any idea about how well a cascade would work, but it would be a option should the situation arise.
post #352 of 1665
For cas cade what you want to do is cool the hot side of pletier(s) with peltiers.

This means you will need to cool the 12726 below ambient with another 12726 or diffrent kinds of peltiers

If its running at full volts, then you can achieve 70 delta x 2 which is 140C drop in room temp maximum

to cool down 1x 12706 then you will require approximatly 12*26W of cooling and you would need at least two of the same peltiers to cool that down with a decent delta I think
post #353 of 1665
Thread Starter 
I added a power supply to the build so now I have a power supply for the hot side water pumps and fans. I also now have a power supply for the cold side water pumps and displays.
so a total of 6 different power supplies on this build
post #354 of 1665
Thread Starter 
ok, so I have been trying to understand these TEC's that I have been playing with a little better, they are all 127** TEC's.
I have 4 X 12709's 40mm X 40mm, I have 1 X 12715 40mm X 40mm, 3 X 12726's 50mm X 50mm, 1X 12727 50mm X 50mm, and 3 X 12730 50mm X 50mm.
so, it seems that the greater the amps that the TEC can handle, the more heat has to be applied to the cold side of the TEC before the TEC's cold side starts to heat up.
post #355 of 1665
Thread Starter 
Quote:
Originally Posted by Iwamotto Tetsuz View Post

For cas cade what you want to do is cool the hot side of pletier(s) with peltiers.

This means you will need to cool the 12726 below ambient with another 12726 or diffrent kinds of peltiers

If its running at full volts, then you can achieve 70 delta x 2 which is 140C drop in room temp maximum

to cool down 1x 12706 then you will require approximatly 12*26W of cooling and you would need at least two of the same peltiers to cool that down with a decent delta I think

well minus the power usage issue here, this is kind of what I was thinking about the cascade effect of the TEC's would have on my water cooling, the hot side water loop can keep the 3 12726's at 40C on the hot side, if I cascade the 12726's with the 12730's, I think the water loop could hold the hot side of the 12730's with the load from the 12726's at about 60C, with would place the cold side of the 12730's at about 10C, so in theory I might be able to drop the cold side of the 12726's from the -25C that they can reach now, to a -45C after the cascade.

I do not think a cascade would work as well as adding another TEC assembly to the system, but I do not have 6 more CPU water block right now to make that kind of change to the system either.

I would only do this if the water on the system can not stay cool enough.
post #356 of 1665
Theres 4 routes you can go,
One is below 70Delta or higher, this would defifnitly require cascade.

One is not just hooking them in parallel, and using it as you already are. but getting more peltiers. this would mean that you have a massive power usage and you have pelenty of cooling and more than enough to keep the system at least 20C below room temps during stress test

Another is a direct die, this means that one peltier straight ontop of the cpu, best performance in terms of efictnty. good when you have powerfull peltiers like tjhe 12726.

Another way is to cascade a direct die set up if your cpu stays 10c below room temps with direct die and you cool down the hot side of the direct die peltier then you should get like even more cooling

Lets say you are keeping the system at -25C currently, you cascade and drop the hot side of the peltiers 25C further then you should get -50C on the system.
Keep in mind though, the colder the hot side of a peltier the less performance it has. looking at data sheets 25C is normal specs and at 50C hotter temps it can give slightly more cooling and use slightly more voltage

I think I am with you too, best way is just using it as you are now, cascade is less cost effective
post #357 of 1665
Thread Starter 
ok, so I have decided to add a 20 pin USB header extension cable to the build, I am also adding a USB motherboard extension cable.
I would like ideas, to what else I might need to be adding to the wire trunk line that will be going through the ice chest?

http://www.amazon.com/Motherboard-Male-Female-Extension-Cable/dp/B009B7IMOE/ref=sr_1_51?ie=UTF8&qid=1459798852&sr=8-51&keywords=sata+cable+extender

http://www.amazon.com/Dupont-10p-10p-Female-Motherboard-Extension/dp/B013HTWTZY/ref=sr_1_10?ie=UTF8&qid=1459800129&sr=8-10&keywords=usb+motherboard+extension
post #358 of 1665
Thread Starter 
for me, this is the scary part, once the hole has been drilled, the wire run through it, and the epoxy laid, there is no changing it.
http://imgur.com/a/DABNQ
post #359 of 1665
I read the first couple pages and find the idea intriguing; as for your desire to eliminate condensation have you thought about dry nitrogen? We used to use it in the thermal sights on the M60A3 to keep the gun sight from fogging up on the inside, you would need a chamber cable of creating and holding a vacuum then charge it with dry nitrogen, although now that I think about it more you might have issues with coolant osmosis in your soft lines. maybe just toss a bag of desiccant in the box.
Pa's Puter
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 i930@4.2ghz. Gigabyte EX58-UD4P EVGA GTX 970 FTW + GSkill DDR3-1600 12 gig 
Hard DriveOptical DriveCoolingOS
Samsung Evo SSD  DVDROM EK supreme HF Cu gold plated/ XSPC 480 Windows 7 Pro. 64 bit 
MonitorKeyboardPowerCase
LG 27EA63 IPS monitor merc stealth Corsair TX850 Corsair 700D 
MouseMouse PadAudio
logitech G5 Rocketfish dual surface Creative Xfx extreme and Zalman 5.1 headphones 
  hide details  
Reply
Pa's Puter
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 i930@4.2ghz. Gigabyte EX58-UD4P EVGA GTX 970 FTW + GSkill DDR3-1600 12 gig 
Hard DriveOptical DriveCoolingOS
Samsung Evo SSD  DVDROM EK supreme HF Cu gold plated/ XSPC 480 Windows 7 Pro. 64 bit 
MonitorKeyboardPowerCase
LG 27EA63 IPS monitor merc stealth Corsair TX850 Corsair 700D 
MouseMouse PadAudio
logitech G5 Rocketfish dual surface Creative Xfx extreme and Zalman 5.1 headphones 
  hide details  
Reply
post #360 of 1665
Thread Starter 
I would like ideas, to what else I might need to be adding to the wire trunk line that will be going through the ice chest?

I have 8 usb 2.0 extensions
2 usb 3.0 extensions
2 mobo CPU power 8 pin connectors
1 mobo power 24 pin connector
mobo power switch
mobo reset switch
mobo CLR CMOS switch
4 8 pin video power connectors
1 cat6 cable
1 audio cable
4 SATAIII cables
1 20 pin mobo usb 3.0 extension
1 mobo usb 2.0 extension
2 DVI video extensions
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Peltiers / TEC
Overclock.net › Forums › Cooling › Specialized Cooling › Peltiers / TEC › TEC Chill Box Chamber Build log