SRS 23 years Professional in PV intelligent application,solar powered street lights.


The inside story of purchasing LED lighting

by:SRS     2021-08-01
[Guide] How to choose an LED lighting, there are several places to pay attention to: 1. LED brightness is different, and the price is different. The LED used in the LED lamp should be suitable for the laser class Ⅰ standard. 2. The LED with strong antistatic ability has a long life, so the price is high. Usually antistatic is great...  How to choose an LED lighting, there are several points to pay attention to:  1, LED brightness is different, the price is different. The LED used in the LED lamp should be suitable for the laser class Ⅰ standard.  2. LEDs with strong antistatic ability have long life and high price. Generally, LEDs with anti-static voltage greater than 700V can be used for LED lighting.   3. LEDs with the same wavelength have the same color. If the color is required to be the same, the price is high. It is difficult for manufacturers without LED spectrophotometers to produce products with pure colors.  4. Leakage current LED is a unidirectional conductive light-emitting body. If there is a reverse current, it is called leakage. LEDs with large leakage current have short life and low price.  5. LEDs with different light-emitting angles have different light-emitting angles. The price of the specific light-emitting angle is higher.  6. u200bu200bThe key to different quality of life is life, and life is determined by light decay. Low light decay, long life and high price.  7. Chip LED's light-emitting body is a chip, and the price of different chips varies greatly. Chips in Japan and the United States are more expensive. Generally, the price of chips in Taiwan is lower than that in Japan and the United States, and the domestically produced chips are the lowest.   8. Chip size The size of the chip is expressed by the side length, and the quality of the large chip LED is better than that of the small chip. The price is proportional to the size of the chip.   9. Colloid The colloid of ordinary LEDs is generally epoxy resin. LEDs with anti-ultraviolet and fire retardants are more expensive. High-quality outdoor LED lighting should be anti-ultraviolet and fireproof. Each product will have a different design. Different designs are suitable for different purposes. The reliability design of LED solar street light contains factors such as electrical safety, fire safety, applicable environmental safety, mechanical safety, health safety, and safe application time. From the perspective of electrical safety, it should be suitable for relevant international and national standards.  Because LED is a new product, China's national standard lags behind, but the country provides product qualification testing. The price of LED solar street light with international safety certification (such as GS, CE, UL, etc.) and national product quality certification is higher because these products are reliable in safety design. Consumers should pay attention to the authenticity of the certificate. Nowadays, there are not many manufacturers with international safety certification and national product certification.  In terms of health, the price of products designed with non-toxic materials is higher, especially indoor LED solar street light. Don't be greedy for cheap LED lighting with peculiar smell. Now only a few LED manufacturers use non-toxic materials to produce, and the identification method can be directly distinguished by the nose. The smelly products are much cheaper than the odorless products. Toxins such as lead, mercury, and cadmium need to be analyzed by professionals. From the perspective of applicable environmental safety, there are reliable dust-proof and moisture-proof design, and the price of LED products with fire-proof, UV-proof, and low-temperature cracking prevention is high.
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