Electronic ballast of alternate current high-power LED illumination energy-saving lamp

Abstract

The invention relates to an electronic ballast of an alternate current high-power LED illumination energy-saving lamp, which belongs to the field of electric illumination energy conservation. The electronic ballast comprises a casing and a control circuit in the casing, and is characterized in that the control circuit comprises a rectifying circuit, a PFC power factor correction circuit, a light energy conversion controller circuit, an LED luminous device, a constant current drive control circuit, a loop current detection circuit, and the like; the main circuit of the rectifying circuit is connected with a follow current compensation circuit via the PFC power factor correction circuit and a power filter circuit; a bypass circuit of the rectifying circuit is connected with a controller power supply circuit which is respectively connected with a linear dimming circuit and the light energy conversion controller circuit; the loop of the LED luminous device is connected with the constant current drive control circuit and then is connected with the loop current detection circuit; and the loop current detection circuit is connected with the light energy conversion controller circuit. The electronic ballast has the advantages of small volume, simple structure, high electricity saving efficiency, long service life, and the like.

Description

technical field [0001] The utility model relates to an electronic ballast for an AC high-power LED lighting energy-saving lamp, which belongs to the field of power saving for electric lighting. Background technique [0002] At present, in the field of electronic ballasts for electric lighting energy-saving lamps at home and abroad, there are mainly double-terminal high-voltage start-up electronic ballasts for fluorescent energy-saving lamps and trichromatic phosphor light-emitting energy-saving lamps, high-voltage mercury lamps, halogen tungsten lamps, and sodium lamps. ballast. Semiconductor high-power LED lighting energy-saving lamps have not been popularized and applied due to factors such as DC step-down drive, complex measurement and control parameters, strict requirements and expensive LED light-emitting devices. With a small amount of LED lighting energy-saving lamps, its structure is integrated. So far, there is no special electronic ballast for AC high-power LED l...

AI Technical Summary

Problems solved by technology

[0004] The main technical problem to be solved by the present invention is to overcome the technical problem that the existing energy-saving lamp electronic high-voltage ballast cannot be used for the DC step-down constant current drive of the semiconductor LED light-emitting device, and provide a small volume, simple structure and strong adaptability , AC high-power LED lighting energy-saving lamp electronic ballast with wide application range

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