Platform zone power off notifying device

The invention discloses a transformer-supplied area power-cut notifying machine. The machine adopts the interruption of mains supply as a detection signal, and a mains supply is connected with a control circuit through the DC power signal of a power-cut detection circuit to allow a dialing unit to r...

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Bibliographic Details
Main Authors XU DONGDONG, YAN YIBING, LU HUIDONG
Format Patent
LanguageChinese
English
Published 25.02.2009
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TELEPHONIC COMMUNICATION
TESTING
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Summary:The invention discloses a transformer-supplied area power-cut notifying machine. The machine adopts the interruption of mains supply as a detection signal, and a mains supply is connected with a control circuit through the DC power signal of a power-cut detection circuit to allow a dialing unit to remain in stand-by status; at the same time, a DC power charges a battery through a charging circuit, and the charging circuit supplies power to the dialing unit; in case of interruption of mains supply, the DC power signal is absent, and the control circuit adjusts the dialing unit to dialing status; and the battery is used for supplying power to the dialing unit, and the dialing unit dials the number of a preset mobile phone or a preset fixed phone by means of wireless or telephone wire long-distance dialing; therefore, following the power-cut, trip and closedown of the transformer-supplied area, a wired or wireless dialing unit can be instantly used for automatically making a phone call to notify an electrician o
Bibliography:Application Number: CN2007155029