Identification of the advantages and disadvantages of LED energy-saving lamps
LED energy-saving lamps are increasingly welcomed by consumers because of their obvious power saving effect, long service life, no stroboscopic effect, no noise, soft light and wide operating voltage range. However, there are many LED energy-saving lamps on the market, and the quality varies. How to choose the products you are satisfied with among the dazzling energy-saving lamps in the lighting store? The advantages and disadvantages of energy-saving lamps can be identified through the "five looks". The introduction is as follows:
A look at the packaging and logo
The state mandates that LED energy-saving lamp manufacturers mark the following contents on the outer packaging: rated voltage, voltage range, rated power, and rated frequency. Generally speaking, the trademarks of high-quality products have good printing quality, clear fonts, and are not easy to fall off. When wiped with a soft damp cloth, the logos are clear and recognizable, and they are not easy to wipe off. Fake and shoddy products have poor printing quality, fuzzy fonts, easy to erase, and no manufacturer's trademark and related certification marks.
Second look at the appearance of LED energy-saving lamps
The real LED energy-saving lamps use three primary color tubes, the tube is white, and it is more white when you cover it with your hands. In addition, from the perspective of the lamp tube, multiple lamps can be compared together. Most of the lamps with better shape and size consistency are machine bending and forming, and most of them are mass-produced products. The consistency of the product is good, the quality is easier to be guaranteed, and the interchangeability during maintenance is better. Of course, there should be no cracks, looseness and signs of prying between the interfaces. In the process of installation and disassembly, the lamp head should not be loose or tilted. The plastic shell of the LED energy-saving lamp must be the kind of engineering plastic flame retardant. Ordinary plastics are easily deformed and flammable, and are prohibited from being used in the production of energy-saving lamps. From the surface, the two can be easily distinguished. The latter has a smooth and shiny surface, and the former has a texture similar to frosted glass.
Three look at the temperature at work
Under normal working conditions, the temperature rise of LED energy-saving lamps should be very low. Otherwise, LED energy-saving lamps have a very short lifespan. At the same time, when the energy-saving lamp is lit, there is a fast flashing or very dazzling fluctuation, which indicates that the energy-saving lamp has a quality problem.
Four look at startup performance
LED energy-saving lamps have two characteristics: one is that the higher the temperature, the easier it is to start; the other is that the lights will not flash when turned off. In addition, it is worth mentioning that many LED energy-saving lamps are very dark when turned on, which is not good for the life of the bulb. LED energy-saving lamps should be equipped with power circuits and PCB boards inside them.
5. Look at the interference situation
In our country, electromagnetic compatibility is already an item that electrical appliances must pass. However, the detection of this item is very complicated. When the user buys a lamp, he should check whether there is a mark on the package that has passed the national electromagnetic compatibility test. The second is to bring a medium and short wave radio. When the lamp is working, place the radio nearby, and the lower the noise emitted by the radio station without the medium and short wave, the better the electromagnetic compatibility of the lamp under test.
