Published:2011/7/19 23:36:00 Author:chopper | Keyword: motor, headlamp, auto-changing controller | From:SeekIC
According to traffic safety rules,it should open high beam (bright light) when motors drive at night,but it should open low beam(weak light) when motors meet.Thus,drivers sholuld control the operation light by hands or feet several times when it meets at every time.This example describes motor headlamp auto-changing controller produced by discrete components,and it can automatically transform the high beam and low beam of motor when the motors meet to decrease the intensity of labour of drivers,and ensure safety. The principle of circuit The controller circuit consists of bistable trigger circuit and switching control circuit,which is shown in figure 7-3.
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