Introduction: DIY Peltier Beverage Cooler Box
In this Instructables I have a Made Beverage Cooler Box Using a Peltiers
Thermoelectric coolers operate by the Peltier effect (which also goes by the more general name thermoelectric effect). The device has two sides, and when a DC electric current flows through the device, it brings heat from one side to the other, so that one side gets cooler while the other gets hotter. The "hot" side is attached to a heat sink so that it remains at ambient temperature, while the cool side goes below room temperature. In some applications, multiple coolers can be cascaded together for lower temperature.
This is not the ideal Way of making the cooler box however I have tried my best Using the Parts & resources Available You can make it better.
Step 1: Parts I Used
1 X Styrofoam box
2 x Peltier TEC1-12706 ( I have used one TEC1-12715(Higher Amps) & TEC12706)
2 CPU Heat Sinks
2 x Small Heat Sink for cold side
2 x High Speed CPU Fans
Hot Glue Gun
f you're looking to buy Peltiers Or Good heat sinks please check the links below
Step 2: Placement & Markings
I Have mounted the Peltiers on the Styrofoam box Lid
So made a Square Cut in the Center to Fit the Heat Sink.
Later I found out that I should have used a A Bigger Heat Sink I will Put International Purchase links for Better Heat Sinks In my Channel
But Still I managed to do a Work Around with it
Step 3: Place the Heat Sink
I Made Cut in the centre Bigger to place the Heat-sink in Properly in the centre.
As the Heatsink was Completely submerged inside the Lid so made few ventilation on the outer side to keep the Hot side cool( You can see the 5th image for reference)
Step 4: Sealing & Placement of Heatsink
If you Check the the Images The Heat is place and on top of it I placed the Peltier.
Now the Type of Heat Sink Im using is a Processor Heat Sink so I Generously Applied some Silicon Sealant on the Corners of the Peltier so no cold air could escape check the 7th Image for reference
Step 5: Placing the Heatsink on the Cold Side
Once the Silicon dried up I placed the Small heatsink on the cold side after applying some Thermal grease and applied Epoxy glue on the edges of the Peltier so it fixed.
Then i used the outer cover of the Old cpu fan and stuck on the lid which cover the peltier & it will also act a a pedestal for the CPU FAN which is going to be placed on top
Step 6: Repeat the Step
As I'm using a Big cooler box So I placed two Peltiers You can also use one Peltier If you planning to make small Cooler
As the Second Heatsink was little different from the first one so I used Sun-board and stuck it nearby the peltiers ( Please check the Image 3)
Step 7: Placing the Heat-sink on the Cold Side
So now I placed the Second heat sink on the cold side & then Placed Fans on top
And applied some silicon sealant on the to get some extra sealing
(If you work with Silicon sealant then please use it in open space with a Safety Mask as the fumes are not good)
Step 8: Wiring & Powering On
So Now you need some Hig amp Power supply the easiest option is PC ATX Supply
So in this circuit There 4 fans & two Peltiers
I connected fans in pair of two & Gave individual power supplies for peltiers
For Peltiers I would suggest you to use XT60 connected or and pins which can take High Amps
You can Easily Switch on the PC SMPS by making jumper from the Green & Black Wire ( The big plug which goes into the mother board you will find a green wire which will be 4th from the right & black wire which is fifth from the right) all you have to do is connect 4th & 5th wire If you find it confusing then there are lot of videos available on internet on how to turn on SMPS without connecting to motherboard.
I used the 12 volts ( Yellow & Black) to power the peltiers
Step 9: Testing
I connected the CPU fans in the pair of two and used the Wires for the SATA HDD and DVDRW
The yellow & the Black (Yellow is Positive & Black is GND) Connect the Yellow to the Red wire of the peltier
So once I powered it on It took 30 mins to actually see the condensation happening inside the Box
So After 2 1/2 hrs the temperature came down to 22.5 degrees Celsius So hold the cooling I filled 1/4 of the box with water the results where better it came down to 18 degree Celsius.
You can use this outdoors aswell with little tweaking you can attach it in your camper van
If you planning to make one then please check the affiliate links mentioned in my Youtube channel
Over there i have mentioned the right options for the Project
Thank you for watching