Energy -saving illumination system

The utility model discloses an energy -saving illumination system, include: infrared detecting device for when getting into or leave a predetermined place, vehicle and/or personnel export the detectable signal when detecting, controlling means, with infrared detecting device connects, is used for when receiving the output of infrared detecting device the output control signal during detectable signal, the delay switch device, with controlling means connects, is used for when receiving controlling means output during a control signal, closed or disconnection behind the time delay schedule time, lamp controlgear, with the delay switch device is connected, is used for the basis the closure of delay switch device or off -state come the control bit in at least one lamps and lanterns in the place opening or closing on schedule. The utility model discloses unnecessary illumination when avoiding predetermined place not have car or nobody, the energy saving, the life of extension lamps and lanterns reduces air pollution and light pollution to the environment, and reduce cost is energy -concerving and environment -protective.