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Author Topic: Joule Ringer!  (Read 831871 times)

bsibille

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Re: Joule Ringer!
« Reply #15 on: January 03, 2011, 03:23:04 AM »
Please do post, would love to build this!
Best,
Blane

happyfunball

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Re: Joule Ringer!
« Reply #16 on: January 03, 2011, 03:49:49 AM »

kooler

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Re: Joule Ringer!
« Reply #17 on: January 03, 2011, 03:56:02 AM »
his schematic

e2matrix

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Re: Joule Ringer!
« Reply #18 on: January 03, 2011, 06:47:49 AM »
Awesome work lasersaber!   You do very good video's too.  Beside being bifilar and I believe air core are Doc Stiffler's coils different in some other ways?

bolt

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Re: Joule Ringer!
« Reply #19 on: January 03, 2011, 12:59:05 PM »
Its quite an interesting. I would like to know the effects of the diodes and how the quantity effects the overall circuit.  Overall its a Joule Thief where the secondary tap is used for feedback on to the base of the transistor. Nothing odd about this part its a normal oscillator. The real magic is in the bifilar coil as that is setup as a negative inductor as the inductance is self canceling and pumps energy back into the supply on alternate cycles that are being sent to the load. Its is an OU device except the COP is not quite enough yet to maintain the losses. It needs to be vastly scaled up so core losses are  reduced.

This circuit is very similar to GENESIS which created about 250 watts OU. Many said it was a hoax but thats another story of partial disclosure.  The tall tower bifilar was the RE recovery device.
« Last Edit: January 03, 2011, 02:41:49 PM by bolt »

nievesoliveras

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Re: Joule Ringer!
« Reply #20 on: January 03, 2011, 02:44:23 PM »
Congratulations @lasersaber!!!!

Jesus

void109

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Re: Joule Ringer!
« Reply #21 on: January 03, 2011, 05:37:10 PM »
I'm confused about the transformer and its function/schematic.  Can anyone post a link to a datasheet for this or a similar transformer?  I'm likely missing the obvious, but I just see a primary with two leads and a secondary with four leads and I have no idea how the secondary is wound, let alone anything about the core material, ratio, etc.  Seems wide open.

Thanks!

gadgetmall

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Re: Joule Ringer!
« Reply #22 on: January 03, 2011, 05:54:36 PM »
The transformer appears to be an aa version fuji or larger size than the aaa fuji. Its actually a primary with a center tapped secondary so 5 wires . the sixth connection is open . SO two are the primary and three are the secondary . Maybe a better schematic can be made so other camera transformers might work .i will trace out the aaa transformer when i complete the replication . I want to use leds instead of a cfl bulb . Good work lightsaber and thank you for sharing !
Gadget

bolt

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Re: Joule Ringer!
« Reply #23 on: January 03, 2011, 06:30:32 PM »
The only reason i didnt use a center tap on the circuit is becuase i thought it had 2 secondaries. But the library has a center tap IF thats what it is.

If its just a center tapped secondary it makes it very easy to replicate by almost anything. There is nothing special about these transformers. They have a little ferrite core so they can handle higher frequencies for charging the flash cap.

 In fact you can use  ferrite ring like a joule thief. Wind about 100 turns of thin wire, loop it and twist for a center tap then another 100 turns for the secondary. Then make a 10 turn thick wire primary. Almost any decent ratio to give some volts should work it depends how long you want to sit there winding coils!

gadgetmall

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Re: Joule Ringer!
« Reply #24 on: January 03, 2011, 07:29:46 PM »
The only reason i didnt use a center tap on the circuit is becuase i thought it had 2 secondaries. But the library has a center tap IF thats what it is.

If its just a center tapped secondary it makes it very easy to replicate by almost anything. There is nothing special about these transformers. They have a little ferrite core so they can handle higher frequencies for charging the flash cap.

 In fact you can use  ferrite ring like a joule thief. Wind about 100 turns of thin wire, loop it and twist for a center tap then another 100 turns for the secondary. Then make a 10 turn thick wire primary. Almost any decent ratio to give some volts should work it depends how long you want to sit there winding coils!
Thank you bolt . I didnt mean your schemitic is wrong . i can read it and apply what i know about those transformers . I remember way back in the jt thread we did pinouts on various modle of the fuji and deturmined there were 5 pins . the primary is 6 to 8 turns on the outside of these transformers so its easy to find  primary however the secondary has to be ohmed out to determin the three legs.  the secondary is about 1750 turns of fine wire so in that respect they are a bit special for their size.Yes we can and have build many rings and they can be used as well i suspect . If you have that symbol in your schemitic  that would make it a bit easier for replicators . on the lightsaber  pictorial i think the two on one side is primary and the three on the bottom are secondary. Attaches is pinout jesus did a while back.Keep in mind this schemitic is covering only a few of the variations of the camera transformers.

Gadget
« Last Edit: January 03, 2011, 08:05:51 PM by gadgetmall »

bsibille

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Re: Joule Ringer!
« Reply #25 on: January 03, 2011, 08:21:03 PM »
not to take off topic, but bifilar wound with copper et other rings of Steven Mark's TPU, wound with maybe copper and tinned? But, seems dissimilar copper et other is significant?

bolt

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Re: Joule Ringer!
« Reply #26 on: January 03, 2011, 08:25:48 PM »
I been asked to clarify EXACT coil winding details to make these bifilar coils. Is it 2 wire pair wound up at the same time OR 2 separate layers with the second layer wound counter direction and back.

Thanks MK1!
« Last Edit: January 04, 2011, 12:43:34 AM by bolt »

Mk1

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Re: Joule Ringer!
« Reply #27 on: January 03, 2011, 08:45:45 PM »
I been asked to clarify EXACT coil winding details to make these bifilar coils. Is it 2 wire pair wound up at the same time OR 2 separate layers with the second layer wound counter direction and back.

Back and forth 2 wires at a time , at least 6 layers .

Mark

gadgetmall

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Re: Joule Ringer!
« Reply #28 on: January 04, 2011, 12:06:55 AM »
Well my first replication failed . It goes out as soon as the battery is removed . There are some varibles not clear . the coil is clear . the transformer is not . those AA versions are hard to find items as i checked three stores and a camera center and they are all aaa versions with tiny transformers . Sooo. I only have two AA versions and i wont take them apart cause they are already in fixtures and stay lit 28+hours for emergency . If lightsaber is watching i would love to have a camera circuit from your source , Also i am having a hard time finding small 10000uf caps at 10 volts . not a common part in this area. will keep at it .
Gadget.

bolt

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Re: Joule Ringer!
« Reply #29 on: January 04, 2011, 12:40:46 AM »
Well my first replication failed . It goes out as soon as the battery is removed . There are some varibles not clear . the coil is clear . the transformer is not . those AA versions are hard to find items as i checked three stores and a camera center and they are all aaa versions with tiny transformers . Sooo. I only have two AA versions and i wont take them apart cause they are already in fixtures and stay lit 28+hours for emergency . If lightsaber is watching i would love to have a camera circuit from your source , Also i am having a hard time finding small 10000uf caps at 10 volts . not a common part in this area. will keep at it .
Gadget.

Caps not important usually 16v are available everywhere the more uF the better its only for storage not a timing device. The little transformers need more clarification i  agree but in essence the bifilar MUST see like 500v spikes because this is the only thing that recovers used energy in the circuit and send it back to recharge the cap like a JT OR it goes off within 1 second under load and no battery. Some people are bound to have trouble getting this to even oscillate especially  using other transistors. Remember at heart its a Joule Thief and all the usual biasing and feedback caps and resistors can be used to get the tranny working.

Later when the finer details worked out. Existing JT's can be enhanced to self runners:)