Diy Fume Extractor/Air Purifier

Air Purifier-18650 powered- charcoal filter
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updated May 15, 2023

Description

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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:

https://a.co/d/hlSCaaZ

1S BMS

https://a.co/d/6c83Kpx

Charcoal Filter:

https://a.co/d/6c83Kpx

Fans I used:

https://a.co/d/6c83Kpx

 

Video Link:

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Model origin

The author marked this model as their own original creation.

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