and just to be 100% sure, I should put 230v to the side with low number of windings right? (normal 12v output side) and get around 4450v
Make sure the resistance/inductance of the low side isn't too low, or the mains voltage may overheat it.
For long term use the ignition coil system is best being it is actually designed to create high voltage sparks on purpose.
Suppose the capacitor is fully charged, then the mains polarity is reversed, the capacitor's voltage is now placed in series with the mains, so the voltage across the diode is double the peak mains voltage.
I might look abit more into that then, since it is going to be used for many many thousand times.
I thought about using just a normal spark plug from a car, to be sure I use some good materials.
What about one of those Piezoelectric starter thingamjigs like in a BBQ grill starter?
What about one of those Piezoelectric starter thingamjigs like in a BBQ grill starter?
He wants to use a timer to control the ignition so a manually operated piezo ignition is not an option.
I have a gas stove.Generally thermal sensors are not used because if the main flame has a blowout a thermal sensor will not offer a quick enough response to shut off the main gas supply.
I don't see how my gas stove can possibly use a thermocouple, as I said before, it can work without power and thermocouples only produce 10 or so mV which isn't enough to operate a valve with, maybe the oven but not the stove. My bet is on it being a bimetal, oil or gas operated valve.
That's a possibility and is what I was getting at with the gas or oil valve. I know they ysed to fill the capillary with mercury but the EU banned it so now it'll probably be a gas or oil.I think some use (as we drift off topic) a capillary tube to physically open or close a valve but there are so many flavors out there.
That makes sense too, it could also be a thermopile.As to the thermocouple don't underestimate the little guys. Earlier I mentioned a thermopile which is a bunch (technical term bunch) of individual tiny thermocouples in series placed in a single tube. Figure at about 400 Deg. C a type J TC delivers about 22 mV so if we have 30 of them in series we get around 660 mV which isn't bad. Using a good enough coil that can hold in (open) a gas solenoid.
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