Design of temperature switch
Design of temperature switch
(OP)
Hi, currently I'm in a bind. I'm trying to make a temperature switch which can be used to turn off power to an oven. As I'm on a budget, I can't go for sophisticated stuff. I measured the potential difference of a thermocouple but since it's in mV. I can't do much with it to trigger a relay. Are there any suggestions as to how to go about it? A link as to how to do it will be very helpful.
Thanks and regards
Thanks and regards





RE: Design of temperature switch
If not, you can certainly buy one from an oven parts supplier. This solution requires no circuitry and no electrical power.
TTFN
RE: Design of temperature switch
RE: Design of temperature switch
an amplifier circuit
a thresholding circuit
a relay driver
an air supply turnoff
power routing
power conditioning
Every single water heater, oven uses only thermomechanical parts. A water heater uses thermomechanical switches to turn on/off the gas supply.
TTFN
RE: Design of temperature switch
metal strips, which bends if temp.changes-- i.e. mechanical.
Termocouple is two different wires welded at a single point.
Heated gives a few milliV. Needs icepoint reference and amplifier.
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