Abstract:

The paper describes the development,advantages and prospects of wind-solar street lamps with focus on the design of the power drive circuit based onLF-F301 circuit according to the work criterion of LED.An analysis of the principle of the whole drive circuit is made.Finally,the lifetime and power utilization of wind-solar LED street lamp drive circuit are improved by optimizing the combination of the switch circuit and battery protection circuit.

Key words: scenery complementary;drive circuit;battery protection;column switch