LED light modulation apparatus suitable for controlled silicon dimmer

• Main Author: ZOU DEZHI
• Format: Patent
• Language: Chinese; English
• Published: 12.08.2009
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS; CONTROLLING; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PHYSICS; REGULATING; SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model relates to an LED light modulation apparatus suitable for a silicon controlled dimmer, comprising a rectifier, a dummy load circuit, a zero cross detection circuit, a high-frequency transformer, a main power supply drive integrated circuit, a secondary rectification and filter circuit, a secondary power supply drive integrated circuit and an average voltage detecting circuit. The beneficial effects of the LED light modulation apparatus of the utility model comprise: implementing brightness adjustment for LED bulb by silicon controlled dimmer, and having advantages of good light modulation effect, long service life, simple structure, environment protection and energy conservation.