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"Wind Light" converts wind energy into electric energy, which enlightens the LED inside the hump. This warns drivers pay attention to the road side and care about driving safety.Moreover, wind energy coming from passing cars is less requirement than solar energy in certain areas (shady slope or north-south road).
When vehicles crossing "Wind Light", the wind turbine structure inside the Light facilitates electromagnetic transducer. The rotating "Wind Light" converts wind energy into electric energy,which enlightens the LED inside the Light.
Wang Nianou, Sun Xin, Gu Shirong, Wei Chengyuan