ionic breeze ion transformer diode

I'd try a microwave oven diode, they're cheap, and most are rated for

Does it not sound like a low voltage power supply if he has a fan problem? If its a DC fan that's not turning, (look on the fan for its voltage), it maybe just simple 1 to 3 amp rectifiers at 600/1000piv. Now, it might be possible that the fan sucked in so much crap that its froze up. You might be able to clean it out and revive it if that was the case. You need to determine if there is voltage at the fan and if the fan is full of crud.

Bob

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They don't use any fans. It's all "Corona Wind".

If the diodes are shorted, I would think a 10KV would work. Ionizers usually run up over 5KV. DC Ionic breezes can be measured. A Neon lamp with a dual electrode wand flashes as electrons are collected. A digital DC voltmeter can also be used. Hold one probe with one hand, hold the other NEAR but not touching the device. The voltage will increase as charges are collected. If it putting out AC, there will be no charge collected. I've had trouble lately looking for suppliers of suitable transformers. Ozone generators use AC, not DC.

greg

They may need to be fast recovery/high frequency diodes.

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Hi! Thanks for the reply! I'd think one of those diode are too slow and leaky to rectify this 10kHz or so. Probably too-low voltage, too. Maybe a Television flyback diode?

Hi! The ion breeze has no fan. I think just the DC ion movement pulls air through it.

Yes, a TV or monitor flyback rectifier, if you can find one.

However, I assume there are high frequency microwave oven HV rectifiers - used in inverter-type microwave oven power supplies.

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"Sam Goldwasser" bravely wrote to "All" (29 Nov 05 13:13:55) --- on the heady topic of "Re: ionic breeze ion transformer diode"

SG> From: Sam Goldwasser SG> Xref: core-easynews sci.electr > Hi! Thanks for the reply! I'd think one of those diode are too slow > and leaky to rectify this 10kHz or so. Probably too-low voltage, too. > Maybe a Television flyback diode?

SG> Yes, a TV or monitor flyback rectifier, if you can find one.

SG> However, I assume there are high frequency microwave oven HV SG> rectifiers - used in inverter-type microwave oven power supplies.

Most ion generators have the usual Cockcroft-Walton voltage multiplier which boosts the input voltage into the 3 to 4 kilo volt range. Thus the rectifiers used don't need to support the whole voltage but only that fraction in each step up. It is especially cost effective to use lower voltage rectifiers and capacitors. Comparatively speaking a high voltage rectifier and capacitor are rather expensive and relatively rare components.

A*s*i*m*o*v

... Now touch these wires to your tongue!

You know, actually I've used microwave oven diodes with high frequency and amazingly enough they worked great. I built a replacement doubler for an old Electrohome vector monitor, actually I've made several of them now using a 10kV capacitor and a pair of microwave diodes, IIRC it runs about 20 KHz. Those diodes are rated 12 KV and seem to be very robust, only a few dollars too.