Ordinary fluorescent energy-saving lamps are good? Or LED lamps are good?
LED lights, that is, semiconductor lighting , have been developed in China for several years. 2010 is the fastest-growing year. It has already entered the homes of ordinary people, but many citizens use LED lighting to respect its higher price. ". The main thing is not to understand the new thing of LED energy-saving lamps, in fact, it is value for money. Simply introduce the advantages and disadvantages of LED lights.
Power saving: Compared with incandescent bulbs, LED lamps can save more than 80% energy under the same brightness, and save more than 50% energy compared with fluorescent energy-saving lamps.
Long service life: the current life of incandescent lamps is 1000-2000 hours, the life of ordinary fluorescent lamps is 6000 hours, and the theoretical life of LED lamps is 50,000-80 hours.
Environmental protection: long-time lighting, there is no ultraviolet light and infrared light in the spectrum, that is, no light pollution, no light radiation, can reduce the emission of chemical components of carbon dioxide, sulfur dioxide and other harmful substances;
Easy to install: It can be installed directly on the ordinary fluorescent lamp bracket. Users who have the fluorescent lamp bracket remove the starter and the ballast (the wire of the inductive ballast is cut off, and the line at the two ends of the bracket is directly connected to the 220V of the listed power. can);
Advantages of low voltage start-up: The drive circuit adopts wide voltage design, and can be normally started and lit within the power supply voltage range, effectively preventing the work caused by the 0 voltage being too low or too high, and adapting to the low voltage due to the low voltage;
Diverse styles: LEDs are connected in series and in parallel, and the single volume is small, so it is easy to manufacture into various shapes and beautiful patterns. The shape of a common fluorescent lamp is only a single piece.
The replacement of fluorescent lighting by LED lights is an inevitable trend. At present, the relatively high price of LED lamps is mainly due to the high cost of LED tube chips. At present, many large companies are developing new chips, and the price of LEDs is expected to decline in a few years. In fact, in some specific occasions, even if you use LED lighting now, it is more cost-effective than using ordinary lamps: in hotels and galleries, there are always multiple spotlights installed on the wall, which usually do not turn off for a long time. Nowadays, the spotlights are commonly used in halogen lamps. These lights have ultraviolet rays, which will cause fading in the place where they are irradiated. Infrared rays in the lamps will cause dehydration, so the value is not high. But LEDs don't have UV and infrared rays, they are healthy for the object being illuminated, and there is no damage (no radiation). More important is the high energy-saving and high-life LED. Generally speaking, the 3W LED lamp with a price of about 100 yuan is enough. The electricity bill saved by one lamp per year is more than one hundred yuan. The money will be more.
Whether it's energy saving or environmental protection, or saving money, LED lights are your preferred, value-for-money lighting fixtures. Next, we will introduce the light decay phenomenon of the LED tube.
What is the light decay of LED tubes?
LED lamp light decay is controlled within 10% within 1000%, generally better after using 40,000 hours, the brightness is 70% is excellent. LED light tube light decay has actually been produced in 1000 hours, but the light decay of high-power LEDs will be smaller, the power of small power will be larger, of course, this is only from the LED itself.
The biggest decisive factor for the LED light tube's light decay is the temperature of the LED. If the heat dissipation is not good, the temperature will be too high and the attenuation will be very fast. Generally speaking, the light decay of the LED is ideal. If it is a fluorescent lamp. Because of the multiple uses, we must consider the heat dissipation, the spacing between the LEDs, the current, the lamp housing and other issues.
The LED chip is the key to LED lighting. The closed LED is coated with phosphor on the chip and has LENS outside. The role of the phosphor is to make the color of the LED package into the color you want, such as white light, there is no white light chip. The method of producing white LED is to use blue chip and yellow phosphor to make white light.
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