A kind of street lamp network topology structure detection method
A technology of network topology and detection method, applied in the direction of lamp circuit layout, lighting devices, light sources, etc., can solve the problems of being unable to correctly report the location of abnormal street lamps, loss of relevant data, and inability to guide street lamp maintenance personnel to repair, etc.
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[0018] Such as figure 2 As shown, the street lamp network topology detection method of the present invention includes the following steps:
[0019] S1, the centralized controller sends instructions to the single-lamp controllers of all first-level street lamp nodes, and detects the phase of the single-lamp controllers of each first-level street lamp node, the strength of the power line carrier communication signal SS and the signal-to-noise ratio of the power line carrier communication signal SNR; The power line carrier communication signal strength SS here is the power line carrier communication signal strength SS of the single lamp controller of each first-level street lamp node relative to the centralized controller, and the power line carrier communication signal signal-to-noise ratio SNR here is each first-level street lamp node. The signal-to-noise ratio SNR of the power line carrier communication signal of the single lamp controller relative to the centralized controll...
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