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Luminous animal:Luminous animal lamp power deviation analysis
2023-10-27 09:44
LED lighting products "quality of the door" events occur frequently, on the one hand, the lack of industry standards and regulation, on the other hand is the lack of enterprise quality awareness, design capabilities and technical level.
This paper takes the power deviation out of control led to lighted animal lamp as an example, combined with theoretical calculations and case calculations, constant current drive power supply accuracy and the impact of the accumulation * voltage drop distribution of LED lighted animal lamp power deviation detailed analysis, to provide designers with reference to improve the design quality of the product.
Recently, the major media frequently reported that the quality inspection departments around the LED light source and LED light-emitting animal lamps and lanterns were inspected. The high incidence of "quality door" events, serious damage to the corporate image and China's LED industry in the arena of the brand image, worrying.
In the unqualified test items, light-emitting animal lamps, the actual test power and product declaration power does not match, accounting for a large proportion. As early as 2010, China issued the standard GB / t24908-2010 "general lighting with self-ballasted LED lamp performance requirements". Article 5.3 requires "lamps and lanterns in the rated voltage, rated frequency work, the actual power consumption and rated power difference is not greater than 15 percent or 0.5W". The Electrical Engineering Council also requires that the deviation between the nominal and actual values of the electrical parameters of the luminous animal lamps in iec62722-1 section 7 should not be greater than 10 percent".
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