LED products are uneven, how consumers choose

[Text|High-tech LED reporter Wen Zhao] Recently, the General Administration of Quality Supervision, Inspection and Quarantine released the results of the national supervision and spot check on the quality of LED lighting products in the fourth quarter of 2014. This time, a total of 70 batches of LED lighting products produced by 70 enterprises in 10 provinces and municipalities including Shanxi, Liaoning, Shanghai, Jiangsu, Zhejiang, Fujian, Jiangxi, Guangdong, Sichuan, Guizhou, etc. were sampled, and 9 of them were unqualified. .

In this spot check, law enforcement personnel are based on GB 7000.1-2007 "Lamps Part 1: General Requirements and Tests", GB 7000.202-2008 "Lamps Part 2-2: Special Requirements Embedded Lamps", GB 24906-2010 "General Lighting" Safety requirements for self-ballasted LED lamps above 50V, GB 17743-2007 "Limitations and measurement methods for radio disturbance characteristics of electrical lighting and similar equipment", GB 17625.1-2012 "Electromagnetic compatibility limit harmonic current emission limits ( 17 items of equipment such as input current per phase ≤ 16A) and other standards, LED construction products, external wiring and internal wiring, anti-shock protection, durability test and other 17 items were tested.

The test results show that the products produced by nine companies including Jiangsu Shifu Photoelectric Co., Ltd., Shenzhen Yuheng Photoelectric Co., Ltd. and Guangdong Midea Lighting Electric Manufacturing Co., Ltd. are in contact with the protection of live parts, the insulation resistance after moisture treatment and the insulation. The items such as electric strength, mechanical strength, and power terminal disturbance voltage were not qualified.

Dr. Zhang Xiaofei, Chairman of Gaogong LED, said that the large number of LED companies and the uneven quality of products are one of the important issues in LED lighting. “There is no minimum, only lower” is a true portrayal of price confusion in the terminal market. Today, many small and medium-sized enterprises in the LED industry lack funds. In order to survive, they can only attract customers at low prices. The price is low-end and quality is difficult to guarantee. The price war has once again become a magic weapon for winning in the hands of various companies.

The reporter visited and found that the LED bulbs currently on the market are not only brands but also the price gap is very large. Some brands in the same kind of products sell for up to tens of yuan/only, while others can only start with a few yuan. At the same time, the reporter noticed that although the LED bulbs sold by most merchants are from different brands, the origin is almost in the south, and most of them are in Zhongshan.

A seller of LED products sells 3 watt LED bulbs of two different brands in their own store. "You look at these two, one I sell 35, one for 6, this cheap, I can't I promise you a one-year replacement." He admits that although the LED bulbs clearly indicate the wattage, there are still insufficient wattages. "Some bulbs are not brighter than other wattages, that is, wattage. The reason is not enough, and the number of wattages to buy home is not enough, let alone consumers, that is, we do not know."

"We may now have a price difference of 10 times for LED products. There are bulbs that sell for 10 yuan, and bulbs that sell for 100 dollars. So, for consumers, it is impossible to judge, and it is impossible to choose because You can light it up when you take it back." Dou Linping said that before I did a research, the lighting time of the family was very short, especially in our rural areas. In some areas, it was an hour, so the life of the lamp would have to be reflected for at least three years. Above, in this case, you let a consumer say that there is a 3 dollar bulb and a 20 dollar bulb, even if you tell him that the quality of 20 dollars is better, I personally think that many consumers will Choose 3 dollars, because he will take it back for several years.

In people's daily life, the lamps can be said to be the most indispensable necessities for people except for the rice, oil, salt and vinegar tea. The poor quality LED lamps not only have low service life, but also have long-term use. Impact. So, what should we pay attention to when buying LED lamps?

An industry insider suggested that the easiest and most intuitive way for consumers to purchase LED lamps is to look at the packaging and trademarks of the products. "The packaging of genuine LED lamps should be marked with rated voltage, voltage range, rated power, etc. And the brand trademark and related certification mark. And the quality of the trademark printed on the LED lamp outer packaging is good, the font is clear, it is not easy to fall off, that is, it is wiped with a soft damp cloth, the trademark is still clearly identifiable. On the outer packaging of some inferior goods There are even no trademarks and related certification marks."

In addition, consumers can observe whether the appearance of the LED lamps they purchased has cracks and loose signs, and whether there are any traces of the connectors at the interface. If so, the quality of the products is not enough.

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