Power control method and device

The invention discloses a power control method and device which are used for greatly reducing unnecessary energy consumption output of a street lamp and achieving the purposes of energy conservation and emission reduction. The street lamp provided by the invention comprises a thunder and vision integrated unit which is used for detecting traffic participants so as to assist in determining a street lamp power adjustment strategy; and the power control unit is used for determining a street lamp power adjustment strategy and controlling the street lamp power according to the street lamp power adjustment strategy. 本申请公开了功率控制方法及装置，用以大大地减少路灯的不必要的能耗输出，达到节能减排目的。本申请提供的路灯，包括：雷视一体单元，用于检测交通参与者，以辅助确定路灯功率调整策略；功率控制单元，用于确定路灯功率调整策略，并根据路灯功率调整策略控制路灯功率。