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The cheapest dust collection actuator system ever??

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Forum topic by Dan Higham posted 06-07-2017 08:09 PM 727 views 2 times favorited 6 replies Add to Favorites Watch
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Dan Higham

24 posts in 305 days


06-07-2017 08:09 PM

So, for a while now I had an iVac system for my shop vac and although it was a fantastic bit of kit, it died! I called up iVac, they said it was because I was using a peak 5hp shop vac on it and eventually the relay switch was going to give out. I’m still waiting for a call back from them to organize a replacement. In the meantime, I figured I could build something myself.

What you see here is;

- An Arduino UNO $10.99
- A two channel relay shield $6.99
- A 1 foot ext. cord $4.99
- Three socket power extension $40
- Current sensor $12.99

You could easily get something cheaper for the tool power for five bucks or so, I just happened to have that thing lying around and it has a super convenient USB socket on it to power the arduino.

For anyone interested in seeing the code and a short video of it running;

https://gist.github.com/danhigham/3d7a4f40c266c63c6b1c3852ab1b5309

https://www.youtube.com/watch?v=SYrljZSv6js


6 replies so far

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Carl10

68 posts in 291 days


#1 posted 06-08-2017 01:33 PM

Thanks Dan!

I wanted to do this with an Arduino but never had the time to learn the code nuances. I think I will do something like this for my DC this fall when I get my new shop up and running.

A couple of questions:
1) do you have a link to the current sensor you used?
2) Is your shop vac the 11A version? I believe the relays are only rated at 10A .
3) Do you have a schematic you could post (just don’t want to make assumptions)

Thanks,

Carl

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Dan Higham

24 posts in 305 days


#2 posted 06-08-2017 01:54 PM

Hi Carl,

The current sensor is one of these :- https://www.amazon.com/ZIYUN-Current-Transformer-Principle-Magnetic/dp/B01FBMFZCO/ref=sr_1_2?ie=UTF8&qid=1496929818&sr=8-2-spons&keywords=current+sensor&psc=1

I have a Rigid vac and most of the 5hp ones appear to be 10A, but then the relay module is only $6!

I used this tutorial from Emon and created a small board I could just plug in to the Arduino :- https://learn.openenergymonitor.org/electricity-monitoring/ct-sensors/how-to-build-an-arduino-energy-monitor-measuring-current-only

If you have any other questions, let me know.

Dan

View Notw's profile

Notw

594 posts in 1588 days


#3 posted 06-08-2017 04:20 PM

Do you think this system could be adapted to run on a larger amperage draw? Say closer to 20amp for the Harbor Freight dust collector?

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pintodeluxe

5459 posts in 2648 days


#4 posted 06-08-2017 04:39 PM

So this thing turns on the DC, but doesn’t activate gates right?

Wait, which iVac system did you have, just the automated switch or the pro system with blast gates?

If it’s just the vacuum switch DGC sells one for $36, or the iVac replacement is $55.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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Dan Higham

24 posts in 305 days


#5 posted 06-08-2017 04:44 PM

I should think so, if you could find a relay module that was rated for 20amps. A quick Google search and I found this.. http://www.dx.com/p/1-channel-5v-30a-high-power-relay-module-for-arduino-8051-avr-pic-dsp-arm-153000?tc=USD&gclid=Cj0KEQjw6-PJBRCO_br1qoOB4LABEiQAEkqcVclM7KkwApQ70hG33SknDJ2cYVDGBISH9-e62kd0p_EaAqOg8P8HAQ#.WTl9sXXytFw

I might move up to a higher wattage relay myself, given they’re so cheap! dx.com looks like they stock a lot of different ones…

http://www.dx.com/c/electrical-tools-499/arduino-scm-supplies-436/relays-478


Do you think this system could be adapted to run on a larger amperage draw? Say closer to 20amp for the Harbor Freight dust collector?

- Notw

View Dan Higham's profile

Dan Higham

24 posts in 305 days


#6 posted 06-08-2017 05:39 PM

Yeah, it’s just the DC. I had just the switch and I hadn’t seen the DGC one.


So this thing turns on the DC, but doesn t activate gates right?

Wait, which iVac system did you have, just the automated switch or the pro system with blast gates?

If it s just the vacuum switch DGC sells one for $36, or the iVac replacement is $55.

- pintodeluxe


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