Replaceable electrical ballast tube

Abstract

A replaceable electrical ballast tube is disclosed to be applied to a lamp holder with an electrical ballast. The tube includes a capacitor, a rectifier, a current limiting unit and a light-emitting module. The capacitor is connected in parallel with the electrical ballast to filter an AC voltage generated by the electrical ballast with high frequency and high voltage. The rectifier is connected in parallel with the capacitor to rectify the AC voltage to a DC voltage. The current limiting unit converts the DC voltage to a corresponding DC current. The DC current is provided to the light-emitting module to generate light. Accordingly, the tube can be directly used in the lamp holder of a traditional fluorescent lamp without changing the wiring of the lamp holder.

Description

technical field [0001] The invention relates to a replaceable electronic ballast lamp tube, in particular to a light-emitting diode lamp tube which can be used in a lamp provided with a traditional electronic ballast. Background technique [0002] After decades of research and development, the production technology of LED and other light-emitting components has made great progress. It has the advantages of small size, no pollution, effective energy saving, long service life, and high luminous efficiency. Therefore, it is widely used in various fields. In recent years To gradually replace the light source of the general fluorescent tube. At present, most of the lamp tube structures of existing LEDs and other light-emitting elements on the market adopt the mode of arranging light-emitting element modules such as LEDs in the transparent tube body, and the plug connectors of the lamp tubes are also designed with the plug connectors of the existing fluorescent tubes. [0003] Si...

AI Technical Summary

Problems solved by technology

However, when ordinary fluorescent lamps are directly connected to LED tubes, the high starting voltage caused by resonance will cause the LED and other light-emitting components to collapse and burn out. On the traditional fluorescent lamps with ballasts, at the same time, because of this starting method and frequent switching, the ends of the fluorescent tubes will be blackened and the life and luminous efficiency of the fluorescent lamps will be deteriorated.

If you want to use it on a lamp equipped with a traditional electronic ballast, you must first remove the electronic ballast in the lamp and reconfigure the circuit before it can be used. This will cause inconvenience to consumers and hinder the promotion of energy saving and green energy.

[0004] Therefore, the inventor of the present invention, in view of the defect that the light-emitting element lamp tube does not match with the general existing electronic ballast, invented a replacement electronic ballast lamp tube

Images