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Thread: Peltier cooling?

  1. 5th December 2012, 01:44 AM #1
    Sprint
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    Peltier cooling?

    Contemplating playing around with a couple of peltier modules, but before I get too involved, does anyone know how much of a RF noise problem they are?

    Also..... where is a good source for them?
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  2. 5th December 2012, 05:27 AM #2
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    Blknight.aus
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    that Ive found, zero noise, jaycar used to carry them
    Dave

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  3. 5th December 2012, 05:48 AM #3
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    JDNSW
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    The Peltier effect works on DC, so no RF will be generated by the device itself. If it comes with a fan, or possibly a switch mode power supply (I doubt this) these could produce some RF.

    John
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  4. 5th December 2012, 12:38 PM #4
    Wallyb
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    As already mentioned they don't generate interferance.

    Jaycar has a couple of models 50W and 68W, worth playing around with for $20

    The key thing with them is the heat they generate - you need to keep the hot side cool!

    The 68 W version needs a 15V 8A (120W) supply.

    This means you have 68W + 120W = 188W of heat to get rid of.
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  5. 5th December 2012, 12:55 PM #5
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    Thermoelectric Peltier Device Information (TE Heater/Cooler/Generator Modules) - Power Generators - Surplus Sources
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  6. 5th December 2012, 05:04 PM #6
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    Get some good heat sinks too.

    Dad played around with uprated modules and better heat sinks years ago when he was a distributor for the Canadian made Frostpak fridges when I was a kid.

    He also made petrol fuel coolers with the uprated heat sinks way back when cars had carbies and spent a small fortune emission and dyno testing at UNSW and patenting the damned thing.
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