Air Purifier

Basics

• A small portable device that can clean the air of most, if not all, airborne particles

Used For

• Dust Reduction
• Health (Especially Alergies to Pollen Etc)'
• Keeping Flammible Dust Down in Worksops Etc.

Industry Standards

• Airgle Brand Air Purifiers , a bit pricey, but seem like a quality product
• AIRMEGA 300, a bit less pricey than the Airgle
• Coway AP-1512HH, A Lower Cost Option
• GermGuardian AC4825 Probably one of the cheapest you can buy

List. https://docs.google.com/spreadsheets/d/1_KoOd4sH9aqmGaNYuHAE3YFfFxwCuuOupOgiFWlphxo/edit?usp=sharing_eip&ts=5aabf706

Existing Open Source Designs

DIY

https://www.youtube.com/watch?v=ktUSd6lpm3M

https://www.youtube.com/watch?v=kH5APw_SLUU

https://www.youtube.com/watch?v=OVVGExTGCl8

https://www.youtube.com/watch?v=YJ7ZV_uAE_8

https://www.youtube.com/watch?v=PWMBpaKwm70

Minimum Viable Product

• HEPA Filter
• Well Sealed Design
• ~500CFPM Per Device
• 3D Printed Enclosure
• Easily Replacable Filters
• Manual, Auto, and Remote Control Modes

Basic Design

Fan

• Either a Box Fan, or Something we Make Ourselves

Filter(s)

• At least a HEPA Filter
• Could Possibly add in a UV Stage, and/or an activated carbon/carbon stage

Example of the range of filters by Filtrete—from coarse to super fine. The 300 (low end, 20x20") costs $6/unit. The 2800 (high end, 20x20") costs $27/unit. A true HEPA filter measuring 12x16" costs $30 example of HEPA + carbon filters pack.

Enclosure

• Keeps everything together and sealed
• 3D Printed (ABS, or a Composite Filament)

Electronics

• Takes in Power (AC or DC (Maybe Both) )
• Adjusts Fan Speed (based of of manual input, or an automatic setting
• If we also use an Open Source Particle Counter it will use this for the auto setting as well as a possible display of the rooms particle count

See Also

• Open Source Cleanroom Construction Set