How to judge the quality of LED wall washers
发布日期：2016-07-27 作者： 点击：
In order to reduce the cost, many wall washer manufacturers use the power supply mode of RC and buck, which affects the life of LED products. When choosing to use, we choose LED lamps with dedicated switching power supply for power supply. Although the cost is high, it also avoids the trouble caused by frequent damage.
Anti-static measures need to pay attention to and pay attention to the process of producing high-power wall washers. For example, manufacturers have to set up special work regulations. Workers should wear uniform overalls, anti-static rings, anti-static gloves, etc. to ensure the humid working environment. To the extent, an anti-static ion fan can also be installed to effectively avoid the harm caused by static electricity to the LED and improve work efficiency. In addition, the higher-grade lamps have higher antistatic performance than ordinary LEDs.
Wall washer manufacturers tell you what can be judged the quality of LED wall washers?
1. Choose from the brand. You should choose a brand name or trademark with the "R" registered enterprise products, the LED lamp looks beautiful and exquisite, the product trademark, model, specification printing and writing are clear and beautiful, there should be no deformation, paint, color unevenness and so on.
2, LED wall washers usually use aluminum as a radiator, the contact area of the radiator and air is as large as possible, which is conducive to heat dissipation, stable operation of the whole lamp, light decay and long life.
3. If the wall washer is illuminated on a white wall, there should be no obvious color temperature error such as color spots and color circles. If there is such a phenomenon, the lamp light source is inferior.
4. When the LED light is turned on, the time difference between the power supply and the lamp illumination is between a few tenths of a second and two seconds. This is a normal phenomenon. Usually, the lamp is driven by a constant current with an IC integrated circuit. Ok, work is stable.
5. When the lamp body is hot, do not be too high or uneven. If there is such a phenomenon, it indicates that there is a problem in the design or manufacturing process of the lamp, and the light decay is easy to be damaged.
6, due to the high brightness of LED wall washers, the same type of lamps of the two brands, under the same conditions, using the direct view of the eyes to observe and compare, it is difficult to judge the brightness of the level, and at the same time it is easy to hurt the eyesight . Usually we recommend using a piece of white paper to cover the light source, and then attenuating the light by white paper, then compare it, so it is easier to see the difference in brightness of the light, the higher the brightness, the better. In addition, the color temperature is better than the color of the sunlight.
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