What is the difference between incandescent lamp and LED lamp?

by:Leimove     2020-03-30
1. Of course, energy saving is the main reason why we consider using LED lamps. Perhaps LED light sources are more expensive than traditional light sources, but it takes one year to save energy and recover the investment in light sources, thus obtaining 4-Energy-saving Net income several times per year in 9 years. 2. LED light source consumes less power. LED single tube power is 0. 03-0. 06 W, DC drive, single tube drive voltage 1. 5-3. 5 volts. Current 15- 18 mA has fast reflection speed, can be operated at high frequency, and can be used under the condition of the same lighting effect. The power consumption is one thousandth of that of incandescent lamp and 1/2 of fluorescent tube. Japan estimates that, for example, replacing half of incandescent lamps and fluorescent lamps in Japan with LED whose luminous efficiency is twice as high as that of fluorescent lamps can save 6 billion liters of crude oil every year, and a fluorescent lamp with the same effect can save more than 40 watts, the power of each LED is only 8 watts. 3. Comparison of high luminous efficiency of LED light sources: Incandescent lamp and halogen tungsten lamp have a luminous efficiency of 12-24 lumens/watt, fluorescent lamp 50-70 lumens/watt, sodium lamp 90- 140 lumens/watt, most of the power consumption of LED lamps turns into heat loss, which can reach 50- 200 lumens/watt, and the light is monochromatic, the spectrum is narrow, no need to filter, can directly emit colored visible light. 4. LED light source has strong safety and reliability, low calorific value, no heat radiation, cold light source, safe touch, accurate control of light type and luminous angle, light color, no glare, no mercury, sodium and other substances that may endanger health. 5. LED light source has long service life incandescent lamp, fluorescent lamp and halogen tungsten lamp adopt the characteristics of electronic light field radiation luminescence, filament luminescence easy to burn, thermal deposition, light attenuation and the like, while LED lamp adopts small volume, light weight, epoxy resin package, can withstand high-strength mechanical impact and vibration, is not easy to break, has an average life of 100 thousand hours, and the service life of LED lamps can reach 5- For 10 years, the maintenance cost of lamps can be greatly reduced to avoid the pain of changing lamps frequently. 6. LED light source is favorable for environmental protection. LED is an all-solid luminous body, resistant to impact and not easy to break, recyclable waste, no pollution, reduction of a large amount of harmful gases such as sulfur dioxide and nitride, and improvement of people's lives by producing greenhouse gases such as carbon dioxide. living environment, can be called 'green lighting source. Production of white high brightness LED lamps according to light intensity 1:2:0. 38 ratio mixed into white, two, using ultra-high InGan blue LED, the tube always adds a little yttrium drill pomegranate as the main phosphor, which can generate yellow-green light under the excitation of blue light, and this yellow-green light can synthesize white light with the blue light, the three are non-controllable ultraviolet LEDs, which use ultraviolet-stimulated tricolor phosphors or other phosphors to generate white light mixed with multicolor.
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