FIELD: motor industry.
SUBSTANCE: invention is related to control devices for cleaning of convex and flat windscreen of driver's cab from precipitation, dirt, hoar frost and icing over driver's cab and is developed for traction electrical equipment. Device comprises switch, electromechanical relay, electric drive of gear reducer and electronic circuit of protection. Device is additionally equipped with the second gear reducer with electric drive, and also the second switch, which represent three-position switches, the second electromechanical relay, four diodes and DC voltage converter, which is connected to electromechanical relays, output terminals of which are connected to diodes and switches, which produce together electronic circuit of protection with three outputs, two of which are connected to electric drives of gear reducers.
EFFECT: achieved improvement of durability and reliability.
6 cl, 1 dwg
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Authors
Dates
2009-12-27—Published
2008-05-23—Filed