Led ceiling lamp is a new type of ceiling lamp designed and produced by aluminum alloy + lens technology with high thermal conductivity. At present, led ceiling lamps of different specifications are used in different places, which mainly depends on the application environment, including the brightness required by users, irradiation distance, width of installation place, etc.
Led ceiling lamps are widely used in furniture exhibition halls, shopping malls, supermarkets, hotels, clothing stores, boutiques, hotels, banks, office buildings, meeting 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 and selected from the following aspects:
1、 Look at the material:
High quality LED ceiling lamp has high color rendering and strong brightness. Aluminum is generally our best choice.
2、 Look at the brand and packaging of lamp beads:
The lamp bead chip determines the lighting effect of LED sky lantern, and the packaging process affects the key factors such as lamp bead quality and heat dissipation. Lamp bead chips include American chips, Taiwan chips, domestic chips, etc. 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 ceiling lamps with particularly low prices, we must choose carefully. People say that good goods are not cheap, and cheap goods are not good. Generally, led ceiling lamps with low prices are 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, so we must consider carefully when purchasing.
3、 Look at 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 at the position 5 cm away from the head of the lamp cup (due to the refraction of the lens, the white paper should not be close to the lamp cup). The light color consistency of LED lamp cup with good quality is better, while LED lamp cup with poor quality is easy to produce color areas with different light colors. This method can be observed by the naked eye. Conditional friends can try. At present, there is no good solution to the light color instability of LED, but it is clear that the light color deviation of single money chip is much more serious than that of double gold wire chip.
4、 Look at the driving power supply of lamps (commonly known as transformer):
The quality of the transformer also determines the service life of the whole lamp. The transformer is stable and the lamp beads can be used for more than 50000 hours. However, if the transformer is unstable, it will not only affect our daily work and life, but also affect its service life.
If the buyer doesn't know the knowledge of the solution device, he can make a preliminary judgment from the size and weight of the transformer and the electrolytic capacitor used by the manufacturer.