Large-power LED street lamp power supply circuit system and illumination power intelligent adjusting method

Abstract

A large-power LED street lamp power supply circuit system is characterized in that the large-power LED street lamp power supply circuit system comprises an LED power supply controller unit, an LED power supply unit, an LED street lamp bead array unit, a wireless communication module and a temperature sensor. An adjusting method is an intelligent control method based on an expert rule algorithm of an LED life mechanism model, and an LED array temperature prediction model unit and an expert rule unit of the LED life mechanism model. The system and the method have the advantages that reasonable illumination is realized, electric energy is saved, safe working of LED street lamps is ensured, and the failure of the LED and the relatively short service lifetime, which are caused by overheating, are prevented.

Description

(1) Technical field: [0001] The invention relates to the field of high-power lighting, in particular to a high-power LED (Light Emitting Diode) street lamp power supply circuit system and an intelligent lighting power adjustment method. (two) background technology: [0002] At present, lighting consumption accounts for about 20% of the total power consumption, and an important way to save energy is to reduce lighting power consumption in large quantities. Known as "the technology that illuminates the future", LED has fundamentally ignited the brilliance of "green lighting" and has become the most valuable new-generation light source leading the 21st century. The emergence and rapid development of LED will not only gradually replace traditional lighting methods such as incandescent lamps and become the market leader, but also usher in a revolutionary development opportunity for lighting technology, and improve human life style to a certain extent. And promote the progress of...

AI Technical Summary

Problems solved by technology

[0003] However, although LED street lights are called solid-state cold light sources, in fact only about 20%-30% of the electrical energy is converted into light energy, while the other 70%-80% of the energy will generate heat, and unlike incandescent lamps, the high The temperature of the incandescent lamp has little effect on the luminescence of the filament of the incandescent lamp (the temperature of the filament of the incandescent lamp can reach several thousand degrees), but the performance of the LED chip is greatly affected by the temperature. Excessively high temperature will cause serious light decay of the chip and lead to LED life. The sharp decline, so on the one hand, do a good job in the design of the heat dissipation system in the design of LED street lamps, on the other hand, study the intelligent control method of lighting power of high-power LED street lamps, realize reasonable lighting under the condition of ensuring LED safety, and avoid excessive temperature damage to LEDs chip performance, and to achieve further energy saving, the present invention proposes an intelligent control method for lighting power of high-power LED street lamps

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