agricultural non-tower pressure-charged water feeder(3)

Published:2011/7/14 20:49:00 Author:chopper | Keyword: non-tower, pressure-charged | From:SeekIC

The principle of circuit 　This agricultural non-tower pressure-charged water feeder circuit is formed by the power supply circuit, pressure detection circuit,control circuit and indication circuit, which is shown in figure 4-154. Power supply circuit is formed by the knife switch Q1,fuses FU1,FU2 power transformer T,bridge rectifier UR and filter capacitor C. 　　Detection circuit is formed by the electric connecting pressure gauge Q2,resistors R4-R7,normal closed contact K3 of relay K and the transistor V.



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