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Stepper Motor Bike Generator

Stepper Motor Bike Generator

To the author of this homemade came up with a simple, obvious, but brilliant idea. After all, if you consider that a stepper motor is not only a motor that provides the mechanical operation of completely different devices (from printers to scanners and other office equipment, to various units used in more serious devices). A stepper motor can also serve as an excellent generator of electricity!

And his most important plus in everything is that he doesn’t need large revolutions at all, he can work properly even at low loads. That is, even with a minimal force directed at it, the stepper motor produces excellent energy. Most importantly, this energy is quite enough for various needs, such as lighting a road for a cyclist with a flashlight connected to a stepper motor.

Unfortunately with a standard standard generator bike initial revolutions will still be necessary before the flashlight begins to emit enough bright light to clearly illuminate the path. But when using a stepper motor, this drawback is removed by itself, that is, lighting will be applied immediately as soon as the rotation of the wheel begins.

But the truth is, this miracle of construction will still have a number of shortcomings. For example, the most obvious of them is a large magnetic sticking. But actually it is not so scary for the cyclist.

When getting started, we will need to find some details:
1) Actually the stepper motor itself.
2) a couple of capacitors of large capacity.
3) LED lights
4) voltage stabilizer 5-6 volts.

Finding a stepper motor is quite simple due to the fact that it is very common in all office appliances. The only thing you need to understand is that the larger the stepper motor, the better it is for us.

Here several models of stepper motors and various options for their attachment to an iron horse will be described and presented.
First, take the largest engine that the author managed to get. He dismantled it from a regular office plotter for printing (in fact it is a printer, only several times larger).

Outwardly, the engine is quite large.

But before you begin to study the stabilization scheme of the same power scheme, you should pay attention to the method of attaching this unit to the bike.

If you look at the figure, you will understand that the generator is located closer to the axis of the wheel and rotation is transmitted from the additional circle.

And yet since model each has its own bicycle and someone does not want to damage the frame with self-tapping screws, you will need to develop the mount yourself as well as the rotation circle, there are really a lot of options.

If you can’t imagine how to fasten a large stepper motor to the structure, there is a smaller option:


You just have to choose the option of a generator suitable for the size of your vehicle.

Well, when you figured out stepper motors, you can start with flashlights and power circuits.

Flashlights must be taken LED. the rectification circuit will look like this: a block of rectifying diodes, several capacitors of large capacity and, of course, a voltage regulator. In principle, this is a standard power scheme.

A stepper motor has four wires that correspond to two coils as standard. for this reason, there are also two on the image of the rectifier blocks. This home-made electricity generator can very well produce up to 50 volts of voltage at high speeds, so it is better to take the capacitors accordingly (voltage above 50). Well, a stabilizer for a voltage of 5-6 volts.

And so what is the essence of homemade work, and why was it needed?

The whole point is in its advantage, even if you just start moving, your path will already be brightly lit by a lantern powered by our stepper motor - it is also a generator.

I would also like to note that during the movement the lamp will not blink or go out - the lighting will be smooth and even.
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28 comments
yes, I didn’t think)) it will be tin)

So you need to organize the container. I drove and passed a kilogram of scrap metal)
if the rim is aluminum, inside in a circle you can stick neodymium along the entire length, and then bring the coil on the other hand)

It turns out an open design ... I imagine how much clinging rzhagvozdovik and other scrap metal: biggrin:
if the rim is aluminum, inside in a circle you can stick neodymium along the entire length, and then bring a coil on the other hand) There will be a perpetual generator.
It is possible to add an epoxy on the outside, but it will beat off when riding on gravel.
I painted as I could. In Google this and no)) This is our secret development))

The engine is not mounted in the same way as in the picture, it is attached to the side of the wheel. The advantage is that there is not much dirt, but due to the flexibility of the eights, it’s not afraid of any)

Another picture http://rgho.st/7GhXbMqLB.view
I only have it from the printer, so I will use it on the principle of "patamushtotyl" And nifiga I do not understand the types of electric motors / generators. If I understood what you told me to look for, then I wouldn’t bother with this!
The stepper generator is weak. A generator with magnets (neodymium) and a correctly made coil (even primitive) is more efficient, Imho.
I'm dumb today ... Figure? Or what to google?
ohh, inspired by the discharge of current?)) On a piece of PET plate from a bottle.You fold in two and fasten with clamps. Two bolts with nuts. The easiest and most affordable)
Dmitrij,
Followed your advice! I think how to fix it!
take two wires into the mouth from the motor and twist the motor with your hands, you will understand everything yourself))

No, do not need anything) If the LED, then of course the polarity must be observed. The current itself is alternating
Explain for the dumb? Do I need any chips? Stupid motor and light bulb, right?
I have two identical ones ... Another plan for this summer ...
they’ll do it) there it can produce a volt 12) There the main engine is powerful for rotating the roller that feeds the paper. This one seems to be 12 V. And another one moves the cartridges. In mine it was
Two engines from the printer are lying around ... Will they fit? How much will they issue?
That is already there !!! Ganyarater called!))))))
big children - big toys. Make a dynamo for the car, you will be the most unique carrier: wink:
A “Dynamo" to the great I would have done! )))))) But not great)))))
Again, just kidding! No, the idea is great! And I would have made it necessary .... Only .... if I were less years old and I would have driven a bike - because then I really would have needed it ......
Well, good luck in this matter: fellow:
Dmitrij,
Phi number and perpetual motion machine .... read ... interesting ... Number theory, probability, relativity, etc., even studied ....
But now, as I wrote to you in another thread, ALL PEOPLE ARE DIFFERENT ... Therefore, your topic (perpetual motion machines) seems more important to me than mine (home, furniture, transport), but it makes me smile. (Sorry). You are a theorist ... I am a practitioner. That is why I am not going to describe everything that I have done here - I just don’t see the point of straining ... What I will do - yes, I can put it out. This is not difficult. And what I did before is not worth it. And you even lay out someone else's. (I don’t understand why. You don’t understand why NOT to spread). Because, as I already wrote, I am a practitioner. And I only do what makes life easier, and does not make it more difficult. That is why I am laughing at my children's "Apple Feeder" and the local attempts to get electricity by removing the static ... (Well, it will not work to power the house from this !!!))))). I built a windmill to power temporary lighting for a watchman on the field. It is not needed at home - it’s easier there to pay a couple of kopecks and get electricity from the outlet without spoiling the interior of the site and not listening to rumble ... If it is more practical to put it at home than to pay - only then I will build it. I want to make a solar collector for a summer residence - only because there is a single-circuit boiler, water supply from a 100-liter electric boiler. And it’s inconvenient to come and wait a couple of hours until it heats up - after all, sometimes I come only for a couple of hours. And to leave it on, sometimes without coming for months, I don’t want to, for reasons of pure firefighters. Because, as a matter of economy, such things are only covered up to justify oneself in front of you - that’s all (hot water, electricity) a penny costs, agree ....
So ... create a perpetual motion machine (or, at least, a stove on antimatter) - I will be sincerely happy for you ... But for now, I’m making some kind of cabinet that’s very convenient for me, or I’ll make a sofa for sale - there are none on sale. ...)))))))
from childhood, I also chemicalized a lot of things, in general, I took apart almost everything at home to understand how it works)) Oh, and it came to me from my parents. Yes, I still disassemble everything, but now I collect it))

My motivation is just more serious than yours - mousetraps, apple feeders)) The eternal engine, the anti-gravity engine, all sorts of interesting magneto-electric phenomena, and the like.
Also, the discovery of superpowers, extrasensory perception, parallel worlds, the unknown and the like.
Different mathematical anomalies - the same Fibonacci numbers, probability theory, the law of large numbers and so on.

In other words, there is a dream to do something that still does not exist or to do something to surprise everyone with this) Well, to bring some real benefit to the world.
Absolutely not guessed! Even, rather, the opposite! I have always sought to improve and improve something! And he began to create his first home-made products in early childhood and have been doing this until now! He simply, over time, drew attention to the fact that sometimes it is REALLY necessary that it is absolutely not what seems like an absolutely unshakable fact in theory. And he is constantly convinced of this by his own example! My first homemade product that was “embodied” was the “apple feeder”)))) When jerking a rope, an apple rolled out of the pipe onto a plate! Madly needed invention !!!))))) ... Although, given that I was 9 years old, I was able to come up with this with my own head, and (more importantly) build and run it myself .... maybe something in this was! .. Then there was the magazine Young Technician with its heading Patent Office (Remember, probably?) So, I had several Patents - that is, my inventions that I sent there were recognized as “useful for national economy ", and there the Vedbas were examined by smart uncles from the USSR Academy of Sciences ... But only after years like that .... 35 I realized that you can improve the mechanism ONLY if you worked with it !!! Or, at least a few shifts would stand nearby, watching the work ... Otherwise, your innovation is only good as a theory, or as the basis to which the employee “fastens” what she’s lacking and cuts off the superfluous ....
Thinking over my next invention, I thoroughly think through all the points. Some problems are hatched for months .... Finally, a solution is found, everything is created in sketches or drawings (depending on complexity). But when I start manufacturing, it often turns out that in practice, that “problem” that I have been considering for a long time is not a problem .... but the problem comes out where it was not “on paper” ...
As an example from the well-known: everyone knows that there are simply NO HAPPENING construction projects for which they are building for the first time so that something does not "come out" at the construction site! Only if the project has already been “run-in” (that is, buildings have already been built on it, and they have already survived several seasons), we can confidently assume that everything will go smoothly !! .... But, experienced people are working on them!
I saw a lot of people like you - (made and forgot). Only according to statistics, it turns out that these people do nothing at all. Apparently because they cannot "forget")))

And without a theory, there is no practice; in practice, only one who has a problem with theory learns. The theorist can work through everything in his head, simulate any device and check whether it works. A practice must do all this in the physical world))

I understand who you are. There is such a science, called Socionics, and there is the sociotype Balzac (Critic). This is you. Read about yourself))
Classical violent struggle against everything "new", complete lack of scientific progress.
It’s possible to do something .... And it seems, IN THEORY, it’s not difficult ... And the centrifugal clutch, as an option ... Only now ... IN PRACTICE, such a home-made complexity equals the whole main structure, otherwise and surpass it .... It's easier to just stick the magnets - and no problems ...
And there’s also such a moment: Have you noticed why electronic “smart” blocks are very often thrown out in production, and instead a toggle switch is put “in direct”? Because these blocks theoretically make life easier (no need to pull the toggle switch), but when creating them, factors such as “Here they put the box on it”, “it was blurred with water”, “the process that it monitors is changed, because sometimes it’s necessary to do it like this manually, but it’s not designed for it "and so on))))) This is a huge difference between theorists and practitioners ...The best results are obtained only from those "innovators" who really work with this1 They know all the nuances that are not visible and which are simply not clear if you are not standing nearby ....
So here are the generators - it’s necessary to make it easier (One!) And so that “made and forgot” (Two!) ....
You can make the simplest electronic or even mechanical circuitry that will supply power to the generator only at certain speeds. As an option - centrifugal clutch, which is used in chainsaws.
Because as a ma-ah battery (and, especially, a capacitor))))))) is not enough to start a non-self-excited oscillator if it runs at low speeds! How much the battery will give - that’s how it will magnetize ... and slowly, in increasing order, pump up the charge, taking away the power from the one that it has developed (and its already with gulkin’s nose)))) ... I used to do with a tractor on a cucumber field once, for a watchman. So I had to pull the wire from the battery, which he charged to power the start. And this is an additional sliding contact and so on ... Moreover, if there is no wind for a couple of hours, the winding eats up quite a lot - do not put a person who will turn the winding on and off when necessary (as the driver does with the ignition key) ... . It was a long time ago, about 15-20 years ago, I remember with difficulty, but I remembered that there was even the thought of putting a small windmill from a motor nearby, so that the winding of the "big" one would be cleanly fed ... (The whole structure was arranged on a round a phoner sheet, which on the axis through the bearing lay above the same. tin rings were glued on the bottom, sliding contacts were glued on the top.) In my opinion, this thing ended up with the wind not being very long and the winding just melted and closed ....
Yes, a generator can be made from any electric motor, and a motor is suitable even without magnets.

If there are magnets in the motor (in the form of a stator or rotor) - this is a ready-made generator.

If there are no magnets, then it is enough to apply voltage to the stator or rotor and it will become an electromagnet. Accordingly, when the rotor rotates in another element (stator), the voltage will increase. To start, only a little initial voltage is required, then self-induction goes.
To start, you can use the hand-held battery, which will be recharged in bulk, or a block of parallel capacitors (maximum capacity).

I still don’t catch up, why do fans of making windmills suffer from garbage and stick magnets on car generators ??? This is an already finished generator.
And in my childhood there were neither PET bottles, nor traffic jams from them)))). (I saw the first "1.5" in the army)))). And in childhood I was terribly jealous of the owners of the “dynamos”. They were not available. He managed with batteries - they cost a penny and were always on sale. You buy three “flat” ones, connect them in series, stuff them into an instrumental bag - and for the evening it’s enough to power the sidelight from Gazik 51st. (I stood instead of the headlights). Then he assembled a battery of 18,373 “barrels” - enough for a couple of evenings .... But he dreamed of a speaker, so as not to bother .. I tried to do it myself - I remember something, I mounted some coil on the front fork, and knitting magnets on knitting needles with copper wire ... Something blinked, but didn’t want to burn))))))
Then - he bought the “Dynamo" .... but so fell down!)))). By that time I was already 14 years old and I was already driving homemade motorcycles ...))))) But I bought it because .... no, well, how not to buy it? !!! I’ve been dreaming all my life, but here it is !! Available for sale! )))))
But this idea is just a godsend for modern boys. Moreover, everything is accessible and simple ... Ehhhhhhh! It’s a pity I’m not great ....
As a child, we took ordinary small motors from toys, made a wheel out of a plastic bottle cap. The engine was attached to the front fork with a piece of plastic from PET. Just cut the ribbon, fold it in half or four and two bolts with a nut. This design ensured the optimal clamping of the motor to the wheel.

Even at low speed, the incandescent bulb worked without problems) And there is no load when driving.

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