Diy Fume Extractor/Air Purifier
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Air Purifier-18650 powered- charcoal filter
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- Creative Commons — Attribution — Noncommercial
a DIY Fume extractor/Air Purifier*. It is based around an activated charcoal filter and a 120mm fan. The fan is powered via an 18650 battery that uses a 1S BMS to protect the Li-ion cell, and then a boost converter is used to boost the 3.7v to a useable 12v- it also allows fluctuations in the input voltage and a stable output voltage. This allows the purifier to be portable and easily stored away for later use.
* I did not test that this device removes any VOC from the air or any other contaminants, I only visually observed that smoke goes in the filter and doesn't come out the other end. -Recreate at your own risk-*
Other needs:
2 - Heat set nut inserts -m3 x 5mm length
8 - m3x8mm length
2- m3x5mm length
4- m4 x 8mm length
8- 6mm diameter magnets x (2-3) mm thickness
1- 120 mm fan
1- 18650 batter
2 ft of 20 awg or better wire
1- 16 mm OD button ( can just use any button if you design a new ring with 20.5mm OD and 3mm thick and leave a hole for your desired button)
will need the following as well:
Links:
step up converters:
1S BMS
Charcoal Filter:
Fans I used:
Video Link: