Atmospheric pressure boiler automatic temperature controller circuit diagram

Published:2011/8/21 22:09:00 Author:Ecco | Keyword: Atmospheric pressure boiler, automatic temperature controller | From:SeekIC

The atmospheric pressure boiler automatic temperature controller circuit is composed of the power supply circuit, temperature detection control circuit, trigger, work status indication circuit and control implementation circuit, and it is shown as the chart. Temperature detection control circuit is composed of the temperature sensor RT, resistors R1 ~ R5, potentiometers RP1, RP2, and operational amplifier integrated circuit IC1 (N1, N2). Trigger consists of four NAND gate IC IC2 internal NAND gates D1 ~ D4. Control implementation circuit is composed of the resistor R7, transistor V, diode VD and relay K. Working status indication circuit consists of current limiting resistor R6 and light-emitting diode VL.



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