What about the summer without a refrigerator?
Teach everyone DIY ice water bottle, I only heard of adding a hot water bottle, today I am an ice water bottle
Electronic refrigeration, ice cola ice beer iced boiled water
Less nonsense, dry out
Prepare materials
Electronic refrigeration film 10-30 yuan, the best 30 yuan to buy, the most expensive one Dongdong 555---
Small fan hot film (put in the kettle, responsible for refrigeration) can have a need, or come to the computer city 3-5 yuan (main board bridge fan hot film)
Big fan hot film plus 12V fan (preferably muted) can buy a good 10 yuan (I use a desktop CPU fan)
Idle notebook power supply (16V with two 200 ohm resistors in series, then parallel to the total circuit, transformer to 12V) This does not require 12V power enough
Thermal adhesive (not thermal silica gel, must be separated) 5 yuan
Hot melt glue gun (required) own 20 yuan or so
Hot melt glue stick, very cheap 5 corners, enough to use
The mineral water bucket, because of the refrigeration, does not require too much, the solid point can be, I use the vat of the Nongfu Spring mineral water
Two 200 ohm resistors are connected in parallel, the first to use a 100 ohm, burned, in order to ensure that the power is enough to connect in parallel and then the total circuit in series
Come to Zhang Family Family
Multimeters, electric irons, scissors, tapes, etc. must be said without tools.
First, work under the bucket
The size is just a small fan hot piece inserted in
Best fit, no gaps
Depth as shown below
Leave about 1mm on the outside, and use a hot melt adhesive to seal it tightly.
After the photo was forgotten, the cold film was attached, and the crime was sinned.
It should be like this after finishing it.
It is best to apply the cooling film first to test which side is cooling, which side is heating, otherwise it will reverse the electric kettle.
After attaching the cooling sheet, put another fan and fan on it, and wait for the glue to dry.
Big work is 99%
It’s like this, it’s hardly changed.
Connect the wires and apply the hot melt adhesive to the surface of the bucket.
The finished product is like this, beautiful? ? ? ?
By the way, the fan is a bit heavy at the end, it will be unstable when empty, and it will be OK to add a bracket. This will not be said.
Hot melt glue plus the clinker clinker that has just been lost, it's very good
No test data without a thermometer
Powerful sense of temperature difference
If the temperature difference is less than one minute, the difference will be very large.
After 10 minutes, drink cold beerå–½
Overall presentation
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