Current stability control method and system for LED light source

• Main Authors: WANG JINGJING, LI XUSEN, XIAO JINRONG, HUANG YONG, DENG QILU, ZHANG XIQIANG
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• Subjects: ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY

The invention discloses a current stability control method and system for LED light sources, and the method comprises the steps: receiving a turn-on control signal for turning on a plurality of LED light sources, and controlling an LED control circuit to supply power to the plurality of LED light sources based on the turn-on control signal; voltage signals in the input end are collected and processed in real time and uploaded to the central controller; based on the input end voltage signal, the LED control circuit is controlled to carry out voltage regulation processing, and a stable voltage signal is output to the regulation circuit; based on the stable voltage signal and the working power of each LED light source in the plurality of LED light sources, generating a current control instruction for controlling the regulation circuit to output corresponding constant current to each LED light source; and outputting a corresponding constant current to each LED light source in the plurality of connected LED light