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The comparative advantages of LED light sources and incandescent lamps

Time:2022-08-24 Views:525


1. LED light source has high luminous efficiency


Comparison of luminous efficiency: incandescent lamps and tungsten halogen lamps have an effect of 12-24 lumens/watt, fluorescent lamps 50-70 lumens/watt, and sodium lamps 90-140 lumens/watt. Most of the power consumption becomes heat loss.


  LED light efficiency: It can emit up to 50-200 lumens/watt, and the light emission has good monochromaticity, narrow spectrum, no need to filter, and can directly emit colored visible light.


2. LED light source consumes less power


2. The power of a single LED tube is 0.03-0.06 watts, and it is driven by DC, and the driving voltage of a single tube is 1.5-3.5 volts. The current is 15-18 mA and the response speed is fast,


It can be operated at high frequency and under the same lighting effect, the power consumption is 1/10,000 of incandescent lamps and 1/2 of fluorescent tubes. Japan estimates that if the light efficiency is 2 times higher than that of fluorescent lamps. LED replaces half of incandescent and fluorescent lamps in Japan, which can save the equivalent of 6 billion liters of crude oil every year. A fluorescent lamp with the same effect is more than 40 watts, while the power of each LED is only 8 watts.


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3. The LED light source has a long service life


3. Incandescent lamps, fluorescent lamps, and tungsten halogen lamps are characterized by the use of electronic light field radiation, the filament is easy to burn, thermal deposition, and light attenuation, while the LED lamps are small in size, light in weight, and encapsulated in epoxy resin, which can withstand high-strength machinery. Shock and vibration, not easy to break, the average lifespan is 100,000 hours, and the lifespan of LED lamps can reach 5-10 years, which can greatly reduce the maintenance cost of lamps and avoid the pain of frequent lamp replacement.


4. LED light source is safe and reliable


4. Low calorific value, no thermal radiation, cold light source, can be safely touched, can precisely control the light type and luminous angle, light color, no glare, no mercury, sodium and other substances that may endanger health.