False operation preventing voice prompt for transforming plant
The utility model relates to a faulty operation preventing device for a transformer station, in particular to a faulty operation preventing sound alarm for a transformer station, which solves the problem that the faulty operation preventing sound alarm for the transformer station does not exist, and...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
15.07.2009
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model relates to a faulty operation preventing device for a transformer station, in particular to a faulty operation preventing sound alarm for a transformer station, which solves the problem that the faulty operation preventing sound alarm for the transformer station does not exist, and comprises a casing and a control circuit arranged in the casing, wherein, a solar panel is fixed on one panel of the casing; the control circuit comprises an infrared signal processing chip; the signal input end of the infrared signal processing chip is connected with an infrared sensor through a signal amplifying circuit; the signal output end of the infrared signal processing chip is connected with a sound chip of which the subsection is solidified with alarm sound through a single-pole double throw switch; and the signal output end of the sound chip is connected with a loudspeaker through a power amplifying circuit. The faulty operation preventing sound alarm can provide clear sound to remind operators of inter |
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Bibliography: | Application Number: CN20082135619U |