Multi-function circuit protector

The utility model relates to a multi-functional electric circuit protector, which comprises a power supply circuit, a signal processing circuit, a fault signal detecting circuit, a driving circuit and a tripping device, wherein the power supply circuit can supply power for the signal processing circ...

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Bibliographic Details
Main Author HUANG WUJIE
Format Patent
LanguageChinese
English
Published 12.11.2008
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Summary:The utility model relates to a multi-functional electric circuit protector, which comprises a power supply circuit, a signal processing circuit, a fault signal detecting circuit, a driving circuit and a tripping device, wherein the power supply circuit can supply power for the signal processing circuit and the fault signal detecting circuit, the fault signal detecting circuit can be accessed into the signal processing circuit, the signal processing circuit is connected with the driving circuit, the driving circuit performs action to the tripping device according to the signals output by the signal processing circuit, the fault signal detecting circuit comprises an electrical arc detecting circuit and an electric leakage detecting circuit, and also comprises an overload protector, and the overload protector is connected on a live wire L in series. By adopting the technical proposal of the multi-functional electric circuit protector, the safety problem caused by electrical arc, electric leakage and over loading
Bibliography:Application Number: CN2008282508U