Published:2011/7/7 10:09:00 Author:Felicity | Keyword: Disinfectant Manufacturer, the 1st | From:SeekIC
Work of the circuit
The disinfectant manufacturer circuit consists of power circuit, timing circuit, controlling circuit, acousto-optic circuit and electrodes. (It is showed in picture 9-92.).
Turn on the power and 220V AC voltage produces +7.5V voltage after being reduced rectified and filtered by T, VD1, VD2 and CI. The voltage then separates into three parts. One is directly supplied on the positive electrode and one is supplied to IC2, electric relay K and annunciator HA while another is supplied to electrode VL.
When the regular time (usually 1 hour) is reached, the annunciator HA will work to remind the users that the disinfectant is done.
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