LED street light standard chaos experts call for China's national standard to be released as soon as possible

In urban construction, the replacement of traditional high-pressure sodium lamps by LED street lamps is a major trend in energy conservation and emission reduction, but the premise is that the unified standards for LED industry implementation must be introduced as soon as possible. Many experts in the field of lighting in China have called on China to publish national standards for LED street lights as soon as possible.

It is understood that the replacement of 125,000 traditional high-pressure sodium street lamps in Nanjing is a tempting city for Chinese LED manufacturers. However, Nanjing's urban construction department does not simply believe the amazing energy-saving figures in the manufacturers' brochures. Since the first half of 2008, Nanjing Street Lights has conducted a “PK test” of Chinese LED products on the Taishan Road in Hexi, Nanjing. Products from six major domestic manufacturers have been installed on the same street, according to traditional high-pressure sodium lamps. The national standard uniformly records data. But the results of the half-year test were astounding: only the illuminance of the power of the two products was comparable to that of the high-pressure sodium lamp.

Liu Lei, deputy chief engineer of the street lamp department, analyzed that the reason for this result is that the standards implemented by everyone are different. For example, some products are unqualified, but the brightness is higher than the national standard. Whether such products are qualified or not can be defined. Standard chaos also leads to an increase in maintenance costs. Liu Lei said that the traditional high-pressure sodium lamps are broken, and their maintenance personnel can know which parts are out of the problem in 5 minutes. However, because there is no uniform national standard, the position and size of various parts of LED lights are different, so it is very troublesome to check the problem. There was an extreme incident in the test. The lamp of a certain manufacturer was broken, and the technicians were not well repaired. The technicians said that this was because the product was replaced too fast, and the product was eliminated. Zhao Jianping, vice president of the China Lighting Society, also said, "If the current situation has not changed, LED street lights can not replace the traditional high-pressure sodium lamps."

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