Streetlamp phase detecting method
A phase detection and street lamp technology, which is applied in the direction of lamp circuit layout, lighting devices, light sources, etc., can solve the problems of uneven illumination of street lamps and reduced power consumption efficiency
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[0017] Such as figure 2 As shown, the street lamp phase detection method of the present invention includes the following steps:
[0018] S1, the centralized controller detects the zero-crossing point of phase A in the three-phase power supply line; the single-lamp controller detects the zero-crossing point of the power supply phase where it is located;
[0019] S2, when phase A occurs from positive to negative zero crossing, the centralized controller sends a phase detection data frame to the single lamp controllers of all first-level street lamp nodes to detect and collect the data of all first-level street lamp nodes under the jurisdiction of the centralized controller The phase where the single lamp controller is located; in the present invention, the node where the single lamp controller directly communicates with the centralized controller is called a first-level node. The node where the single lamp controller can communicate with the centralized controller is called a ...
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