Electric heating appliance temperature controller 4

Published:2011/7/26 2:48:00 Author:Ecco | Keyword: Electric heating appliance , temperature controller | From:SeekIC

The electric heating apparatus temperature controller circuit is composed of the power supply circuit and temperature detection control circuit, and it is shown in Figure 3-79. Power supply circuit is composed of the power transformer T, bridge rectifier UR, filter capacitors Cl, C2, and three-terminal voltage regulator integrated circuit ICl. Temperature measurement control circuit consists of seven-segment LED digital integrated circuit IC2 and electric hot thermometers Ql-Q7, relays Kl-K7. Cl and C2 select the aluminum electrolytic capacitors with voltage in 25V.



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