Agricultural automatical water feeder circuit diagarm 12

Published:2011/6/14 5:41:00 Author:Lucas | Keyword: Agricultural, automatical , water feeder | From:SeekIC

The agricultural automatical water feeder circuit is composed of the power supply circuit, water level detection circuit and control implementation circuit,and the circuit is shown as the chart 1. Power supply circuit is composed of the power transformer T, rectifier diodes VD1 ~ VD4 and filter capacitor C1. Water level detection circuit is composed of the high water level electrode A, low water level electrode B and the main electrode C. Control implementation circuit is composed of the IC and relay K, AC contactor KM and other components. AC 220V voltage is bucked by T, rectified by VD1 ~ VD4 and filtered by C1 to provide 10V DC voltage for IC. RI and R2 select 1/4W carbon film resistors. C1 chooses the aluminum electrolytic capacitor with the voltage in 16V; C2 uses the polyester capacitor or monolithic capacitor.



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