Piezo atomiser?
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A piezo would use a lot less power so battery life would definitely go up.
The control could be a surface mount 555 timer, just find the right frequency. It could be small enough to fit inside an old atomizer.
Your starting to give me ideas....If only I had some free time these days
The control could be a surface mount 555 timer, just find the right frequency. It could be small enough to fit inside an old atomizer.
Your starting to give me ideas....If only I had some free time these days
Hey all, new here. Great site. I have been thinking about this also, but I must admit, I am an electronics ...... I understand the 555 timer deal, and how to get different frequencies, but they only output 200ma. All the piezos I have found are from 5 to 15 watts.
So would you have to run the output from the 555 through a transistor and have that act as a relay feeding the piezo with a higher current?
Also, have you thought of any self tuning circuitry for when the piezo is under load it will increase the current/voltage automatically to keep it at its resonant frequency?
Just wondering.
So would you have to run the output from the 555 through a transistor and have that act as a relay feeding the piezo with a higher current?
Also, have you thought of any self tuning circuitry for when the piezo is under load it will increase the current/voltage automatically to keep it at its resonant frequency?
Just wondering.
I believe the tiny piezo elements would take a small current. As in the photo, the piezo is not creating the vapor but feeding the atomiser. I have thought about this too as it could be more reliable than wicking.
That is interesting to use a piezo to feed the atomizer. I was thinking more along the lines of Kender and using the piezo to do the vaporizing. They have commercial nebulizers out there using this technology, but they are about $200 and a bit big. I found some piezos that I think would work (about 15mm diameter), but I am just stuck on the electronics. I can handle the Mechanical Engineering stuff, but not the Electrical Engineering.
Also, I was wondering how well the vaporization would be with the piezo and using currently available e-liquids. I think the e-liquids might be too thick for the piezo. Most of the nebulizers I looked at were only designed for specific types of medicine (albuteral) which has about the same viscosity as water.
Also, I was wondering how well the vaporization would be with the piezo and using currently available e-liquids. I think the e-liquids might be too thick for the piezo. Most of the nebulizers I looked at were only designed for specific types of medicine (albuteral) which has about the same viscosity as water.
Not sure, but the iezo frequency might need to be tunes to the juice viscosity; how accurately I dont know.
The piezo creates a mist of tiny droplets as opposed to gas. The 'vapor' we see as looking like smoke is the VG/PG recondensed back to a mist.
Cool room humidifiers show what can be done. The coolness may not feel so good in an e-cig.
The piezo creates a mist of tiny droplets as opposed to gas. The 'vapor' we see as looking like smoke is the VG/PG recondensed back to a mist.
Cool room humidifiers show what can be done. The coolness may not feel so good in an e-cig.
That picture came from this thread:
http://www.e-rauchen-forum.de/showthread.php?tid=89
translated:
Function mode of ultrasonic atomizers
http://www.e-rauchen-forum.de/showthread.php?tid=89
translated:
Function mode of ultrasonic atomizers
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It looks like Steffen later says it's not a piezo element after all.
I think that's the vacuum switch he's pointing to? Maybe some kind German fellow can translate it better than Babelfish ;-)
The busted piece on the bottom kinda looks like a piece of the brittle little ring that seals up the bottom of the atomizer mesh against the steel tube (not electrically connected)
I think that's the vacuum switch he's pointing to? Maybe some kind German fellow can translate it better than Babelfish ;-)
The busted piece on the bottom kinda looks like a piece of the brittle little ring that seals up the bottom of the atomizer mesh against the steel tube (not electrically connected)
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Ok, I try it with my limited english vocabulary..
It was a piezo! Steffen thought that all e-cigs have piezos and later found out that only the Ruyan Cigar has one (thread is from december 2007!).
At the moment they're discussing similar things as here. A member has an old piezo-inhaler and tried it with liquid but it did not work. The liquid only formed a bubble but was not sprayed. After a while, when the piezo become warmer/hot he only saw a little bit vapor..
That's probably because the juice is too thick to work well. Interesting though, might be something in this, even though Ruyuan have moved away from it.
Like some one else said earlier i don't think a piezo would be very good unless
it was heating as well as atomizing becuase feeling the warmth of the vapour in the mouth and on the back of the throat is probably also an important element in emulating tobacco smoke .
it was heating as well as atomizing becuase feeling the warmth of the vapour in the mouth and on the back of the throat is probably also an important element in emulating tobacco smoke .
Well, my ruyan original cigar carts do have really thin liquid in them, almost watery, so that would match with what you guys are all saying. Interesting though
I think the best use of a piezo element would be in delivering a mist of juice to the heater coil. This would enable the fluid to be more or less sealed which has the potentially big advantage that a cartridge would require no wicking and could be made to hold much more juice
An alternative would be a micropump and nozzle. I have seen tiny pumps not much over 1cm square, but not one small enough to fit inside a 901 tube. Now there's a project !
An alternative would be a micropump and nozzle. I have seen tiny pumps not much over 1cm square, but not one small enough to fit inside a 901 tube. Now there's a project !
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how bout the ones that go on sample cologne bottles those things are small enough to fit in a 901
Roots - well, yes that is a pump, but manual. I was thinking electrical The nozzle on those scent bottles works well though.
It's time to move away from 901 size tubes anyway i think. So we shouldn't be constrained by that. Lets have more powerful batteries but also a sealed juice container with a new mechanism for getting the juice to the heater. That may initially be more expensive but improved reliably consistent juice delivery would make that worth it. Let's do this is such a way that there is no longer firewick inside the coil. I found one can clean the coil easy enough with vinegar but it doesn't clean that inside-coil stuff. This might seem impossible, but just needs some ingenuity, another way of looking at how it could work.
The nozzle on those scent bottles works well though. It's time to move away from 901 size tubes anyway i think. So we shouldn't be constrained by that. Lets have more powerful batteries but also a sealed juice container with a new mechanism for getting the juice to the heater. That may initially be more expensive but improved reliably consistent juice delivery would make that worth it. Let's do this is such a way that there is no longer firewick inside the coil. I found one can clean the coil easy enough with vinegar but it doesn't clean that inside-coil stuff. This might seem impossible, but just needs some ingenuity, another way of looking at how it could work.
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