Disinfection cabinet electronic control circuit

Published:2011/9/8 20:01:00 Author:Christina | Keyword: Disinfection cabinet, electronic control circuit | From:SeekIC

The control circuit is composed of the AC step-down regulator circuit, the infrared heating circuit and the timing control circuit. The single phase alternating current adds to the primary stage of the transformer T through the temperature limit fuse FU, and it is reduced, rectified and stabilized by the circuit to change into the 9V DC voltage, this DC voltage adds to the positive pole of the one-way SCR through the normally closed contact point K1(1-3). The AN1 is the power control button, you can conduct the SCR and control the connection of the power supply by pressing this button. AN3 is the infrared heating start button, if you press this button, the low level of the 555's pin-2 will make the 555 in the trigger & set state. The monostable timing circuit is composed of the 555 and R5, R6, C4, C5.



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