LED (light-emitting diode) driving circuit and device based on flow-by-flow type rectifying and filtering loop

• Main Authors: SHAO HONG, ZHENG YI, ZHANG SHEXI, DENG SHUXING
• Format: Patent
• Language: Chinese; English
• Published: 01.02.2022
• Subjects: ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY

The utility model discloses an LED drive circuit based on a flow-by-flow type rectification filtering loop. The LED drive circuit based on the flow-by-flow type rectification filtering loop comprises an input rectification module, a flow-by-flow type filtering module, a high-frequency resonance module, an AC/DC conversion module and an LED illumination module. The input rectification module is electrically connected with an AC voltage input end, the flow-by-flow filtering module is electrically connected with the input rectification module, the high-frequency resonance module is electrically connected with the flow-by-flow filtering module, the AC/DC conversion module is electrically connected with the high-frequency resonance module, and the LED lighting module is electrically connected with the AC/DC conversion module. According to the utility model, stable and constant-current LED driving control is realized through the gradual-flow type rectifying and filtering loop, the reliability is high, and the cost