25-02-2016 дата публикации
Номер: KR101597607B1
The present invention relates to an apparatus of a streetlight distribution box which automatically handles a flicker control of a streetlight by only using a low cost timer when a main flicker controller has a malfunction, thereby minimizing the costs of the streetlight distribution box. In an example of the present invention, disclosed is the streetlight distribution box which comprises: a main flicker control unit individually connected to a power line and a neutral line, and outputting a first relay control signal and a second relay control signal; a timer connected between the power line and the neutral line; and a switching circuit unit including a first relay switch, a first output terminal, a second relay switch, a second output terminal, a third relay switch, a fourth relay switch, a fifth relay switch, a first relay coil, a second relay coil, and a third relay coil. COPYRIGHT KIPO 2016 (1100) GPS main flicker control unit (1200) Timer (A1,A2) Manual operation (B1,B2) Automatic ...
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