That's something I wasn't aware of. A quick Google search results in something like the below, which shows an output terminal I could attach the fans to.
DIY Thermoelectric Power
- Thread starter cwhaley
- Start date
That's something I wasn't aware of. A quick Google search results in something like the below, which shows an output terminal I could attach the fans to.
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That's true. Peltier modules are designed as coolers but to the best of my knowledge, you don't see Seebeck Modules/TEGs being sold in the UK. They're normally sold as Peltier modules at places like RS Components since they can also use the seebeck effect to generate electricity.
That's just a Peltier/Seebeck module on the other end of that output terminal. The module is sandwiched between two heatsinks. The top heatsink gets heated with the candle, the bottom heatsink passively cools the other side. It won't be generating much power to get that toy motor running, probably not enough for a set of PC fans going full speed, if at all. The lower the volts to a PC fan, the slower it spins. Too low, it won't start.
Honestly, it probably be cheaper/less hassle (but also less fun?) just to buy a second stove top fan rather than DIY a solution based around some free PC fans as you'd probably need a number of modules wired in series. Starts to get expensive.
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RS sell this
RS Stock No.:765-0056
and several other sizes.
Some of the more efficient devices using semiconductor materials are not designed to work "in reverse"
European Thermodynamics Seebeck Effect Module, 25.5W, 5.8A, 8.8V, 62 x 62mm
RS Stock No.:765-0056
and several other sizes.
Some of the more efficient devices using semiconductor materials are not designed to work "in reverse"
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