A new electronic ballast circuit for unipolar long-life energy-saving lamps
An electronic ballast and long-life technology, applied in the field of lighting, can solve the problems of low luminous efficiency and short life of energy-saving lamps, and achieve the effects of improving luminous efficiency, fast starting of lights, and small starting current.
Active Publication Date: 2019-12-27
SHENZHEN SIKAIER ELECTRONICS TECH CO LTD
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Problems solved by technology
Improve its luminous efficiency and solve the problems of short service life and low luminous efficiency of energy-saving lamps in the prior art
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[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0014] see figure 1 , a new electronic ballast circuit for unipolar long-life energy-saving lamps, comprising a common-mode inductor 1, a full-bridge rectifier circuit 2 and an open circuit protection circuit 3, the input end of the common-mode inductor 1 is connected to a fuse (FUSE) 11 and an inductor L1, and connected to the input end of the AC 220V power supply, the model of the common mode inductor is L2 2*10MH, the other end of the common mode inductor 1...
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The invention discloses a novel single-pole long-life energy-saving lamp electronic ballast circuit, which comprises a common mode choke, a full-bridge rectification circuit and an open-circuit protective circuit. The input end of the common mode choke is connected with a fuse and an inductor L1, and also connected with the input end of an AC 220V power source. The other end of the common mode choke is connected with the output end of the AC 220V power source. The AC 220V power source is also in parallel connection with a capacitor C1. The capacitor C1 is in bridge joint with the input end of the AC 220V power source. The other end of the capacitor C1 is connected with the other input end of the common mode choke. Through a high-frequency superposition technology, high-frequency voltage with the work frequency being about 35 KHZ is instantly superposed to generate high voltage. Therefore, an energy-saving tube is lightened instantly, the service life of the energy-saving tube is effectively prolonged, and the luminous efficiency of the energy-saving tube is increased.
Description
technical field [0001] The invention relates to the technical field of lighting, in particular to a novel electronic ballast circuit for a single-pole long-life energy-saving lamp. Background technique [0002] Energy-saving lamps are the most widely used lighting source at present, but they have a large starting current and high temperature at both ends of the lamp tube, which can easily make both ends of the lamp tube black. fee. In recent years, various electronic ballasts for energy-saving lamps have been launched on the Chinese market. There is no major breakthrough in its principle and structure. There are local strong light that hurts the eyes, insufficient illumination in the space, long time from the beginning of lighting to normal lighting, short service life, and no obvious energy-saving effect. The shortcomings of the previous technology are mainly that the output end of the energy-saving lamp electronic ballast is four wires respectively connected to the spir...
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IPC IPC(8): H05B41/14
CPCH05B41/14
Inventor 房学田
Owner SHENZHEN SIKAIER ELECTRONICS TECH CO LTD