High -power LED switching power supply

High -power LED switching power supply

The utility model discloses a high -power LED switching power supply, including first rectification filter circuit, transformer, second rectification filter circuit, switch tube and control chip, first rectification filter circuit's output and the elementary of transformer are connected, and se...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LYU DEREN, WU TAIYAO, ZHOU JIERONG, FENG JIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERATION
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The utility model discloses a high -power LED switching power supply, including first rectification filter circuit, transformer, second rectification filter circuit, switch tube and control chip, first rectification filter circuit's output and the elementary of transformer are connected, and secondary and the second rectification filter circuit of transformer are connected, and second rectification filter circuit has the output, and second rectification filter circuit is connected to control chip through feedback circuit on, control chip is connected with the switch tube, and the switch tube is connected with the elementary of transformer, feedback circuit including connect second rectification filter outlet end's resistance be 2k omega resistance R15, connect the resistance R13 that photoelectric switch IC2 and the resistance of connection on photoelectric switch IC2 on resistance R15 are 10 omega, resistance R13 connects on control chip. The utility model discloses let the signal accuracy more of feedback,