Steam iron temperature detection control circuit

Steam iron temperature detection control circuit

Shown is a simple low-power electric heater temperature detection control circuit, which is mainly
composed of a power supply circuit and a temperature detection control circuit.
    The figure shows the temperature detection and control circuit of a steam electric iron. In the circuit, the AC 220 V supplies power to the electric iron heater through the relay contact Kl.
At the same time, the AC 220 V is stepped down by the step-down transformer T and the bridge rectifier circuit converts the AC low voltage into a DC voltage, which is then stabilized by the three terminals.
After the voltage is supplied to the detection and control circuits . The water level detection electrode is used to detect the amount of water in the water storage tank for control and display.