Led light source is already a common light source category in home lighting products, many people do not feel unfamiliar with the led light source products, but
when it comes to the meaning of led light source, they can't tell why they come. Today, Xiaobian is Everyone talks about this knowledge.
What does "led light source" mean? LED light source (Light-Emitting Diode) is a light source with a light emitting diode (LED) as a light source, and has the characteristics of high efficiency and long life. Light-emitting diodes were invented in the 1960s. In the following decades, their basic use was to serve as indicator lights for electronic devices such as tape recorders; it could be used continuously for 100,000 hours, which is 100 times longer than an ordinary incandescent light bulb. LED light sources mainly include ring light sources, strip light sources, linear light sources, return light sources, backlight sources, external coaxial reflective light sources, coaxial coaxial light sources, and hemispherical ridge cover light sources.
【What are the characteristics of led light source】 1, high luminous efficiency LED after decades of technological improvements, its luminous efficiency has been greatly improved. Incandescent lamps and tungsten halogen lamps have a luminous efficiency of 12-24 lm/W, fluorescent lamps 50-70 lm/W, and sodium lamps 90-140 lm/W, and most of the power consumption becomes heat loss. LED light effect
After improvement, it will reach 50-200 lumens/watt, and its light monochromaticity is good, the spectrum is narrow, and colored visible light can be directly emitted without filtering. All countries in the world have stepped up efforts to increase the research on LED luminous efficiency, and their luminous efficiency will be greatly improved in the near future.
2, low power consumption LED single tube power 0.03 ~ 0.06 watts, using DC drive, single-tube drive voltage 1.5 ~ 3.5 volts, current 15 ~ 18 mA, the reaction speed, can operate at high frequency. In the case of the same lighting effect, the power consumption is one ten-thousandth that of incandescent light bulbs, and one-half of fluorescent tubes, as estimated by Japan, use LEDs that are twice as high as fluorescent lamps to replace the incandescent lamps and half of Japanese incandescent lamps. Fluorescent light. Each year can save the equivalent of 6 billion liters of crude oil. In the case of bridge parapet lights, the same effect of a fluorescent lamp is more than 40 watts, and the power of each LED using LED is only 8 watts, and it can change colorfully.
3, long service life The use of electronic light field radiation, filament burning easy to burn, heat deposition, light attenuation and other shortcomings. The use of LED lights small size, light weight, epoxy resin package, can withstand high-strength mechanical shock and vibration, not broken. The average life expectancy reaches 100,000 hours. The service life of LED lamps can be as long as 5 to 10 years, which can greatly reduce the maintenance cost of the lamps and avoid the difficulty of frequent lamp replacement.
4, safe and reliable
Low calorific value, no heat radiation, cold light source, safe to touch: Can accurately control the light type and light angle, soft light color, no glare; does not contain mercury, sodium and other substances that may harm health. The built-in micro-processing system can control the luminous intensity, adjust the luminous mode, and realize the combination of light and art.
5, is conducive to environmental protection LED is a full-solid light body, shock, impact resistance is not easy to break, waste can be recycled, no pollution. The light source is small in size and can be freely combined. It is easy to develop into a light, thin, and short-sized lighting product, and is also easy to install and maintain. Of course, energy saving is the most important reason for considering the use of LED light sources. Maybe LED light sources are more expensive than traditional light sources, but with one year's energy saving to recover the investment of light sources, we can obtain several times of annual energy saving net income in 4 to 9 years. .
[What are the disadvantages of LED light source] However, LED has some disadvantages compared with other light sources, such as low color rendering in white lighting. The white LED currently produced with yellow phosphor and blue light has a color rendering index of about 80. It can also be used as general lighting, but it is insufficient for some places with high color resolution requirements. Although the color rendering index can be increased to 90 or higher by adding suitable red phosphors and other methods, there is still a certain gap compared with the incandescent lamp 99, and its efficiency will be affected.
Xiao Bian epilogue: The above Xiao Bian introduced the LED light source for everyone.
What does the light source mean ? Do you believe that you already know something about this product category? I hope this article will help you understand and purchase the right led light source.
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November 26, 2021
