Fluorescent/sodium lamp illumination power-saving device

Abstract

The fluorescent lamp / sodium lamp power economizer belongs to power saving technology. The fluorescent lamp / sodium lamp power economizer includes five circuit modules of control board power source, phase failure signal source, operation state display, SCR module and triphase AC contact module. The SCR module and the triphase AC contact module are connected in parallel; the three phase lines of power supply are connected separately to the three phase line inputs of the triphase AC contact module and the three phase line inputs of the SCR module; and the three power outputs of the SCR module are connected separately to the three outputs of the triphase AC contact module. The power economizer has also control device and phase shifting drive board inserted for connection with the five circuit modules. The present invention has the advantages of simple structure, small size, soft starting, no contact, low cost and others

Description

technical field [0001] The invention relates to a power saver for fluorescent lamp / sodium lamp lighting, which belongs to the technical field of power saver for fluorescent lamp / sodium lamp. Background technique [0002] Fluorescent lamps and sodium lamps are lighting fixtures widely used in large-area lighting places such as supermarkets, factory workshops, schools, hospitals, and airport waiting rooms. The number of lights used in these places is often around 300 to 500, which consumes a lot of power. The energy saving of fluorescent lamps and sodium lamps is based on the following principle: the AC power voltage drops by 10-20%, the light brightness only loses 5-7%, and the power saving rate can reach 20-30%. [0003] There is a fluorescent lamp / sodium lamp lighting power saver in the background art. The power saver achieves the purpose of energy saving by using a three-phase AC autotransformer and a three-pole double-throw switch: there are two ta...

AI Technical Summary

Problems solved by technology

The disadvantage of the background technology is that when the three-phase AC autotransformer is working, it will generate heat due to copper loss and iron loss, the self-consumption power is large, and the power saving efficiency is low; the three-phase AC autotransformer is large in size, heavy in weight, and expensive in cost; Toggle the three-pole double-throw switch to perform jump-type voltage regulation with contacts. The switch is easily damaged and shortens the service life of fluorescent lamps / sodium lamps, resulting in high equipment maintenance costs and poor voltage regulation performance.

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