Product Maintenance

Multi LED lamp sampling pass rate down four well-known brands on the black list

The Modern Express News, 2013 in accordance with the national development and Reform Commission, Ministry of science and other 6 ministries jointly issued the "semiconductor lighting industry planning", this year, 60W more than ordinary incandescent lighting will be phased out, replaced by LED is basically a lamp. But the reporter learned that the current LED market bad quality in the first quarter of 2014 and the Jiangsu Provincial Bureau of quality supervision sampling showed that the market sales of 50 batches of products pass rate of only 30%; Guangzhou city Industrial and Commercial Bureau sampling report released in May 21st this year, lamps in the sampling of 45 enterprises, 70 in the sample of 40 unqualified. The unqualified rate is as high as 57.14%. Baoshida, NVC, FSL and other well-known Langshi lighting and manufacturing brand "black list", the unqualified products, most point to the LED lamp.

Qualified rate is low: two years to solve the problem

According to the Jiangsu Provincial Quality Supervision Bureau, the first quarter of 2014, LED lighting products and energy-saving lamp product quality analysis report, the supervision of a total of 85 batches of energy-saving lamps products, qualified 59 batches, pass rate of 69.4%. LED light pass rate is slightly lower, 103 batches of product pass rate of 60.2%, of which the production of the field of the batch of products pass rate of 88.7%, the market sales of the batch of products pass rate of only 30%, there are more quality problems in. The unqualified problem mainly in electromagnetic compatibility (EMC), and the electromagnetic compatibility refers to the equipment or system to meet the requirements of the ability to run any of the equipment and environment not produce intolerable electromagnetic interference in the electromagnetic environment.

May 21, 2015, the Guangzhou Municipal Trade and Industry Bureau on the market LED sampling shows that in the sampling unqualified 40 lamps, the 29 lamps are the presence of the power supply terminal disturbance voltage is not qualified, accounting for 72.5% of substandard lamps.

According to the reporter, lighting the unqualified, the nominal trademark "NVC" and "NVC" three lamps are the problem. Insiders said that within two years, the two sampling results are basically on the electromagnetic compatibility is not qualified, not qualified to bring consequences of electromagnetic pollution, work harassment surrounding electronic equipment, may also seriously affect the safe operation of power grid and human health adverse.

Big difference: 200 times the same power bulb

Reporters in Nanjing market survey found that many lamps and lanterns manufacturers are advertised their products are the latest LED lighting products, but the price gap. The same power of a PHILPS LED bulb price to sell nearly 600 yuan, while the cheapest one, Auman LED bulb price is only 3 yuan, a difference of 200 times.

In a lamp owners Jinsheng Department told reporters, 5 years ago, a LED light bulbs sold more than 300 yuan by the end of 2013, as long as 20 yuan, the current prices dropped about 40%, a LED bulb price at 10 yuan, the price is reasonable, but why the price disparity actually. The main function is different, the average family to buy LED bulb can be, do not need to spend money to buy a professional LED light bulb.

How to buy qualified LED lamp

Consumers in the purchase, how to choose a qualified LED lamp? A look at the product logo is complete, formal product identification is often more standardized, at least should be identified as follows: trademark and factory name, product specifications, rated voltage, rated frequency, rated power. Check whether the product model is consistent with the specifications of the inspection report and the certificate. Two look at the LED lamp power line whether there is a CCC security certification mark, the power line should not be too thin. Three to see if the LED lamp body is exposed, the light source into the lamp holder, the finger should not touch the charged metal lamp holder; lamps should not be able to touch the finger parts of the hole. Four see the light and color performance of LED lamps and lanterns, directly reflect the quality and performance of products. Home LED lighting products, it is recommended that the relevant color temperature is not higher than 5000K products, warm white or yellow light.

For more information about LED, please click on China LED network or pay attention to WeChat public account (cnledw2013).

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