LED floodlights are also LED floodlights, spotlights, spotlights, spotlights, etc. They are mainly used for architectural decorative lighting, as well as commercial space lighting. Because of the different reasons of heat dissipation and application environment, other shapes of floodlights only have some differences in appearance, but the principle is the same. In view of the current vicious competition in the market price of high-power LED lamps and lanterns, the listing of a large number of substandard products (professionals call them (inferior goods, poor goods, and bad goods) has violated the true nature of LED floodlights, long life, and environmental protection. The value of LED lighting goes against the significance of applying LED technology to the field of outdoor engineering lighting, and seriously affects the healthy development of high-power LED lighting fixtures. How to distinguish the advantages and disadvantages of LED lighting should start from the following aspects:
1. Look at power and power factor
For example, some manufacturers of 100W LED floodlights cannot achieve such high power, and may only be 50W or 75W, commonly known as 0.5W and 0.75W. To test the power, just buy a multimeter and actually measure it. The quality and size of the light source chip, in order to reduce costs and improve competitiveness, manufacturers use low-quality lamp beads with insufficient W. Under the trick of the seller, you can count the number of integrated lamp beads. There are so many chips in it, but the size is very small and the brightness is very low. This is the phenomenon that people often say, but some consumers may not be able to check it out without professional tools.
Low power factor means that the driving power supply and circuit design used are not good, which will greatly reduce the service life of the lamps.
The power factor can be detected with a “power factor meter”! Generally, the power factor of exported LED lamps is required to be above 0.95. If the power factor is lower than 0.5, it should be said that unqualified products or waste products not only have a short lifespan, but also the actual power consumption is about twice as high as the nominal value. That is to say, compared with ordinary energy-saving lamps, it does not save electricity at all! So, this is why LED lamps need to be equipped with high-quality, high-efficiency drive power!
2. Look at the lighting components
The same level of 100w is better if the weight is sufficient, whether the shell material is sufficient, the thickness of the heat sink and the length of the individual, the thickness is thicker and the length is better.
3. Look at the seal, waterproof
Whether the sealing and waterproofing of the lamp body is done well, if the sealing is done well, it will not be easy for water to enter, that is to say, the waterproof performance is good. Outdoor floodlights are rain-proof and moisture-proof, and there are potential safety hazards after being soaked in water for a long time. It is recommended to use professional lamps in the water, such as underwater lamps, buried lamps, etc., which are tightly packaged.
4. Look at the power quality
It may be disassembled to see the power supply. In order to save costs, some manufacturers do not add a waterproof epoxy resin to the power supply. The quality of the power supply, the lamp beads are small, and the current output by the constant current source is also small. The constant current source is assembled with many electronic accessories. Generally, manufacturers purchase at least hundreds of thousands of each component each time. Burn-in and test on imported equipment after assembly. Each constant current source must undergo high temperature and low temperature tests to eliminate unqualified components. Regular manufacturers will not produce such inferior constant current sources. The power supply of the floodlight is to be filled with glue and waterproof. We have even seen some manufacturers stuff the power supply with sand to fool consumers. Take the 30W LED power supply as an example, there are more than 10 pieces, and there are more than 30 pieces. There are actually many famous ones.
5. Look at the whole lamp process
The quality of the whole lamp is related to the power supply of the lamp, the light source and the sealing strip, the thickness of the cable, the use of thermally conductive silicone grease, the craftsmanship level of the workers (carefulness, welding process)), and the workers in the small workshop do not wash their hands, let alone those anti-static clothing. .
In short, a high-quality LED lamp is a perfect combination of high-quality driving power, good heat dissipation conditions, high-quality (chip) lamp beads, and compliance with safety standards! Only emphasizing any one side can not be called a Qualified products! When purchasing high-power LED floodlights, you should ask the shopping guide and clarify your needs. Don’t think that high-priced products will have good quality, and don’t think that low-priced products will have good quality products.
