the control circuit of electric fence part 4

Published:2011/6/6 1:56:00 Author:Ariel Wang | Keyword: control, electric, fence | From:SeekIC

When the mains switch S gets through,the battery GB provides the whole machine all connected circuit +6V voltage.The pulse generator will generate narrow pulse voltage signal after it is conducted to work.It is buffered to amplifier by V1 .Then it will drive V2.It makes V2 at a switch state of whether conducted or stopped.It will control the pulse current which goes into the primary winding of T.The pulsed high voltage generated by the secondary winding of T goes to the bare wire of electric fence.When the electric quantity of the storage battery is enough,VS and V3 are conducted.The 8th-pin of IC becomes low level.V4 stops.VL is not lighted.HA doesn't give a sound.



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