What problems should we pay attention to when purchasing led sky lantern?

      Led ceiling lamp is a new type of ceiling lamp designed and produced by high thermal conductivity aluminum alloy + lens technology. At present, different specifications of LED ceiling lamp are used in different places, which mainly depends on the application environment, including the brightness required by the user, the irradiation distance, the width of the installation place, etc.

Led ceiling lamps are widely used in furniture exhibition halls, shopping malls, supermarkets, hotels, clothing stores, boutiques, hotels, banks, office buildings, conference rooms, homes and so on. In the face of uneven products in the market, how to choose a satisfactory led ceiling lamp can be considered from the following aspects:

1、 Look at the material:

High quality LED ceiling lamp with high color rendering and brightness. Aluminum is generally our best choice.

2、 Look at the brand and package of lamp beads:

The lamp bead chip determines the lighting effect of LED sky lantern, and the packaging process affects the quality of lamp bead, heat dissipation and other key factors. There are American chips, Taiwan chips, domestic chips and so on. Different brands have different prices and lighting effects.

When purchasing, we can learn about the lamp bead scheme by consulting the manufacturer. Of course, it also depends on the integrity of the manufacturer. For the ceiling lamp with a particularly low price, we must choose it carefully. People say that good products are not cheap, and cheap products are not good. For the LED ceiling lamp with a generally low price, the chip is made of defective products laid down by the production line. The color temperature is inconsistent, the brightness is poor, and the service life is short Therefore, we must consider carefully when purchasing.

3、 See the stability of brightness:

We introduce a very convenient way to check the light color of LED lamps, that is, after the lamp cup is lit, put a piece of white paper on the position 5 cm away from the lamp cup head (because of the refraction of the lens, the white paper should not be close to the lamp cup). The light color consistency of better quality LED lamp cups is better, while the poor quality LED lamp cups are easy to produce different color areas. This method can be observed by naked eye. Conditional friends can try. At present, there is no good solution for LED's light color instability, but one thing is very clear that the light color deviation of single gold wire chip is much more serious than that of double gold wire chip.

4、 Look at the driving power supply (commonly known as transformer) of the lamp:

The quality of the transformer also determines the life of the whole lamp. The transformer is stable and the lamp bead can be used for more than 50000 hours. But if the transformer is unstable, it will not only affect our daily work and life, but also affect its service life.

If you don't know the component knowledge, you can make a preliminary judgment from the size and weight of the transformer and the electrolytic capacitor used by the manufacturer.