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The DIYson, an open source Cyclone vacuum cleaner

Why buying an expensive cyclone vacuum cleaner when you can build yourself one?

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Ever wanted one of those fancy cyclone vacuum cleaners, battery powered and with a nice design?
Don't you feel like you're about to spend 200-300 euros for a brand new one?

This is how the DIYson started: to benefit from 3d design, 3d printing, and the availability of economic parts made for RC models, to create the first Open source cyclone vacuum cleaner.

The main benefits are already the modularity of the system, and the easy repairability of it.

This project is partecipating in the Hacakday Prize, so please like it to support it!

"Life has more meaning if we do we cleaning" Ad for robotic cleaners, from System shock 2 if I remember corrrectly.

The DIYson and the home:re:make, the beginning of a new movement?

The project was born after seeing the Dyson vacuum cleaner advertisement. The doubt that the description, with carefully-sought words, hid a relatively simple idea came into our minds. I did some research to understand how it worked, and what inspired them in turn. Understanding how it worked, I realized that the key components of the project could be implemented with RC model aircraft components, at a low cost since they are easily available.
In addition to having verified the hypothesis that it is possible to make a DIY cyclonic vacuum cleaner with very good performance (refining version 1), the project now has a broader vision: to create the “Maker version” of many household appliances, using modern components with the best value for money, to understand, compared to the commercial version of the same product, the areas of improvement and the cases in which the economic value and the technical characteristics are more distant. From a future point of view, the home:re:make project could also send a signal to companies, which would encourage them to improve the repairability and improve the functions of their products, knowing that there is someone who analyzes their products and reproduces them, maybe even better, publishing all the results with the open source formula.



The DIYson: History
The idea behind the cyclone vacuum cleaner is based on dust collectors design, that have been around since 1921. A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle high-volume dust loads, a dust collector system consists of a blower, dust filter, a filter-cleaning system, and a dust receptacle or dust removal system.
Sir James Dyson then in 1978, decided to build a better device than the popular vacuums of the day, and based its concepts on the dust collector design.
Dust collector/cyclone vacuum cleaner principle
A sketch of a Dyson vacuum from 1991.

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  • V2?

    Madaeon05/23/2019 at 09:13 0 comments

    Design for V2 is started!

    Slightly bigger container, maybe transparent, better design of the cyclone path and placement of air outlet, thanks to your suggestions! Hepa filter on outlet too, and improved hand grip and trigger, are just some of the features. Maybe small display of battery left and integrated charging...

  • Testing the DIYson

    Madaeon05/15/2019 at 14:53 1 comment

    It works! There are still a lot of improvements to the design that can be added, as some of you pointed out, but for this first version, I think we are happy how it works. Probably next version I should use a slightly bigger EDF with 1kg thrust instead of 0.5Kg, price is more or less similar.

    Battery lasts more or less 20 minutes.

  • Testing the assembly

    Madaeon05/13/2019 at 10:51 0 comments

    It works! Now is time to 3d print the remaining parts. The whole system is designed to be modular, so I can focus on the multi stage design, air filtration where the air exits, best design for the air intake later.

  • Testing the 3D printed trigger system

    Madaeon05/13/2019 at 10:46 0 comments

    Pulling the trigger rotates the trimmer on the servo tester. The gears ratio has been designed so that pulling the trigger (a movement of about 25mm) is converted into 270 degrees of rotation of the trimmer.

    To get it work on first try, I measured the PCB and size of all the components of the servo tester. Then I created a 3d model in Solidworks of the servo tester. I downloaded the Step files of some gears with the correct ratio from SDP/SI, then modified them to fit. 

  • Design for easily (home) manufacturing

    Madaeon05/13/2019 at 10:33 2 comments

    This picture shows the design that I made for the first iteration. Some prior decisions were made before starting to sketch:

    • Custom parts should be 3D printable at home; they should be as compact as possible, so 3D printing of the parts does not take days to make them.
    • The LIPO battery will be also the handle of the vacuum cleaner. A 2 part bracket will keep it connected to the main body.
    • The battery must be easily taken out of the system, if necessary, and must be rechargeable without taking it out.
    • A standard servo tester will be used. It is normally contrlled by rotating a trimmer. A gear-based system will be designed to control it with one hand, pulling a trigger.
    • Air intake system has to be modular.

  • Designing the DIYson

    Madaeon05/13/2019 at 10:19 0 comments

    This rendering shows the air path of the DIYson V1.

    It is a mono stage design, but for the first iteration, it is enough, and it works already!

    There is a carbon filter at the botton of the air extraction channel in order to block the fine dust particles that are not captured.

  • The first design

    Madaeon05/13/2019 at 09:20 0 comments

    The concept

    As we said, the basic idea behind a cyclone vacuum cleaner is that you have air entering in a container, usually from the top and near the edge of the container.

    The air then goes spiraling down, and there it is extracted. The dust particles are being thrown out of the air flow by centrifugal forces, and remain in the container.  A filter at the entrance of the air extraction channel helps to keep the very fine dust particles.

    This process does not keep ALL the dust inside the container. This is why on many commercial designs you can easily spot that a multi-stage design is implemented to optimize the dust collection.

    Let's start!

    When I started, a couple weeks ago, I had many plastic containers with a "snap-in" cap, from a previous project. They seem to fit well for a handheld vacuum cleaner.

    Now we need a way to move the air. Quite powerful, so that we have a good air flow.

    Where do we find a nice fan/blower unit with good power and reasonable price? From RC airplanes spare parts! They have good prices, have a lot of thrust (can move a lot of air) and are already designed to be battery powered, so our vacuum cleaner will be also cable-free. Wow!

    I had an RC battery available, so after some research, I bought an ESC, a servo tester, and an EDF fan. The connection scheme is shown below.

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Discussions

jusTSean wrote 05/22/2019 at 20:39 point

Its about damn time!!! :)

  Are you sure? yes | no

neil wrote 05/22/2019 at 19:41 point

Great project and something I'd like to add to my own Ardusaw project (on thingiverse) as a dust collector ! FWIW, you can use the Ardusaw arduino driver for the ESC rather than using a servo tester - it forms the same function, but overcomes the ESC safety timing bootup issue - just use a regular switch rather than faff about with triggers :-)) I really do like the name too - very original :-)))))))))

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Madaeon wrote 05/23/2019 at 09:15 point

Hi, do you have a link at you Ardusaw? I was not able to find it on Thingiverse

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neil wrote 05/23/2019 at 10:20 point

Oops, instructables, not thingiverse, sorry 😁

https://www.instructables.com/id/ArduSaw/

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Madaeon wrote 06/05/2019 at 12:38 point

I had a look at the ardusaw, it seems I can replace the servo tester with an arduino, and it can be programmed to send impulses to control the speed also?

  Are you sure? yes | no

Antiklesys wrote 05/18/2019 at 10:50 point

It's amazing to see another fellow Italian make such an interesting project entry!

I can't wait to see your development updates and I would really be interested in helping on this project if possible. I have experience in creating electric circuits, 3d printing, cad modeling and so on. Let me know if there's an opportunity to help out :)

  Are you sure? yes | no

Madaeon wrote 05/23/2019 at 09:17 point

Thanks! I have posted STLs on thingiverse and on this page too. Later I will post Step files too. If you want to help improving the design, feel free to edit them, or suggest modifications too!

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Mike Szczys wrote 05/17/2019 at 17:52 point

I think RC hobby brought very high quality motors, ESC, and batteries onto the scene and now we get a bunch of clever hacks that is them in different ways like this. Love it! Also, DIYson is a brilliant name :-D

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Blo0dygeek wrote 05/13/2019 at 03:27 point

Good name for your project,plus wonder how the whole vacuum works and looking forward to more specific information about it , plz keep updating.

:-)

  Are you sure? yes | no

Madaeon wrote 05/13/2019 at 10:33 point

Sure! I am adding a lot of detail in the next days

  Are you sure? yes | no

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