Abstract: A lighting energy saving method of the present invention, comprises a plurality of brightness adjustable illuminants, and a plurality of photoreceptors for detecting brightness of lighting environment, the brightness of lighting environment is brightness of the environment formed by illumination light emitted from all the illuminants, natural light and illumination light emitted from other lighting systems, wherein comprising: A. setting basic illumination brightness of the lighting environment, i.e. setting basic photosensitivity value of each of the photoreceptors; B. adjusting illumination brightness of each illuminant to a corresponding brightness value to obtain a real-time brightness environment of the lighting environment, and then detecting the real-time brightness environment by the photoreceptors to obtain the photosensitivity values detected by the photoreceptors, the photosensitivity values reflecting the real-time illumination brightness of the real-time brightness environment; C.

Abstract: A low-voltage DC lighting system with identification addresses, comprising a smart controller, a terminal controller, a plurality of digital control switches connected with a low-voltage DC power supply through the terminal controller and controlled by the terminal controller and low-voltage DC lamps connected with each of the digital control switches respectively, each one of the smart controller and the terminal controller has a unique code, a storage space and an own CPU respectively, the terminal controller has a network interface connected to the smart controller, and the terminal controller exchanges information with the smart controller through the network interface, the smart controllers are also connected with each other via network interfaces, and the smart controller stores the identification addresses of every low-voltage DC lamps controlled by the terminal controller; the terminal controller comprises a network information receiving and transmitting module, a terminal calculating module and a lig

Abstract: A lighting energy saving method of the present invention, comprises a plurality of brightness adjustable illuminants, and a plurality of photoreceptors for detecting brightness of lighting environment, the brightness of lighting environment is brightness of the environment formed by illumination light emitted from all the illuminants, natural light and illumination light emitted from other lighting systems, wherein comprising: A. setting basic illumination brightness of the lighting environment, i.e. setting basic photosensitivity value of each of the photoreceptors; B. adjusting illumination brightness of each illuminant to a corresponding brightness value to obtain a real-time brightness environment of the lighting environment, and then detecting the real-time brightness environment by the photoreceptors to obtain the photosensitivity values detected by the photoreceptors, the photosensitivity values reflecting the real-time illumination brightness of the real-time brightness environment; C.

Abstract: The present invention relates to a busbar current control circuit, a constant current drive controller and an LED light source, wherein the busbar current control circuit comprises a branch resistor, a branch capacitor and a branch current source, the branch resistor and the branch capacitor are connected in parallel to form a branch, one end of the branch is connected a position between the busbar resistor and the load, and the other end is connect to the branch current source; the branch current source outputs to the branch a current of adjustable magnitude, the sum of the voltage on the busbar resistor and the voltage on the branch resistor remains constant.

Abstract: A low-voltage DC lighting system with identification addresses, comprising a smart controller, a terminal controller, a plurality of digital control switches connected with a low-voltage DC power supply through the terminal controller and controlled by the terminal controller and low-voltage DC lamps connected with each of the digital control switches respectively, each one of the smart controller and the terminal controller has a unique code, a storage space and an own CPU respectively, the terminal controller has a network interface connected to the smart controller, and the terminal controller exchanges information with the smart controller through the network interface, the smart controllers are also connected with each other via network interfaces, and the smart controller stores the identification addresses of every low-voltage DC lamps controlled by the terminal controller; the terminal controller comprises a network information receiving and transmitting module, a terminal calculating module and a lig

Abstract: The present invention relates to a busbar current control circuit, a constant current drive controller and an LED light source, wherein the busbar current control circuit comprises a branch resistor, a branch capacitor and a branch current source, the branch resistor and the branch capacitor are connected in parallel to form a branch, one end of the branch is connected a position between the busbar resistor and the load, and the other end is connect to the branch current source; the branch current source outputs to the branch a current of adjustable magnitude, the sum of the voltage on the busbar resistor and the voltage on the branch resistor remains constant.