There are different types of bulbs: incandescent, fluorescent bulb, the LED bulb and neon.
Benefits of a fluorescent bulb
The fluorescent bulb has a luminous efficiency about five times higher than that of a conventional electric incandescent bulb.
Its life expectancy is approximately ten times longer, and it consumes four to five times less energy.
The fluorescent bulb is also called low consumption or CFL bulb, or even energy saving bulb.
The fluorescent bulb is adaptable to all units of your incandescent bulbs.
Good to know: incandescent bulbs begin gradually to disappear from the European market to the benefit of fluorescent light bulbs.
Principle of the fluorescent bulb
The principle of a fluorescent bulb is quite complex:
The inside of the bulb is coated with a layer of fluorescent powder that emits light under the effect of radiation.
The bulb contains an inert gas and a small amount of mercury.
Once implemented by voltage, tungsten electrodes begin to heat. This causes an electric shock in contact with mercury.
This phenomenon causes a radiation ultraviolet, transformed into visible light by the fluorescent layer inside the bulb.
Disadvantages of these bulbs
The main disadvantage of these bulbs is their price, which is much higher than that of conventional incandescent bulbs. This difference is justified by the complexity of the manufacturing process.
The other drawback is the inability to use a dimmer with these bulbs. Indeed, these are not designed to withstand voltage variations.
However, bulbs specifically designed for this purpose appear, but their cost is higher than conventional fluorescent bulbs.
Which is better？
A lamp or cheaper that lights up more? This can be a hard question to answer. How imagine if a glass is half full or half empty, for example. And choose well the lighting in the home, office or industry is not so simple. Among the various options of lamps, some questions can arise. But after all, what is the best lamp: fluorescent or LED?
In this article we’ll talk about the characteristics of these two distinct types of lamps. And, based on them, we will do a comparative.
Why is this important?
For a long time, incandescent bulbs were the most popular in Brazil. Very if must to the value: in general, were cheaper than the other.
However, she had features not very pleasant. The main thing was their energy efficiency. In general, produced only 10% of light; the remainder was heat.
Soon, the consumer spent more time without producing lighting, in fact. This was the light bills more expensive.
In 2016, the Inmetro has forbidden the marketing of this model. Soon, it was necessary to adapt to the new. So it was necessary to decide between two models on the rise: fluorescent or LED.
They were created in 1938 by the genius Nikolai Tesla. At the time, was a true revolution in the field of lighting. Here in Brazil, became more popular after the blackout of 2002.
In comparison with its rival direct, incandescent, had a much longer lifespan – 10 thousand hours, against a thousand hours.
In a parameter of comparison, it took wide advantage. Consumes 5 times less electrical energy than the past model. Warms up the environment and produces 95% of light.
There are 4 models of fluorescent lamps on the market:
- Tube: T2, T5, T8 and T10. The first type have the smallest diameter, while the latest the greatest.
- Compact integrated: T2, T3, and T4. There are 3 types of different design: double -, triple -, and quadri – “U”;
- Compact non-integrated: the designs are similar with the previous one. The difference is that they are traded on the mains voltage, does not need ballast and starter to operate;
- Circular: model less common. As well as the compact, non-integrated, do not need ballast or starter.
The revolution of the present in the lighting market. Until recently, the LED was used in lanterns and panels. However, the transition to the residences is already a reality.
Generally, the LED lights differs greatly from older models of bulbs. This is because, unlike tungsten filaments or gas mercury, it generates light through u semiconductor-like with computer chips. When the electricity travels through it, producing light.
And, contrary to what many may think, the LED is, yes, cheap. With the already cited order of incandescent bulbs, the technology started to be much more sought after.
In addition to this, the LED is eco-friendly. If the technology were to be applied in all countries, with the burning of fossil fuels, the benefits would be enormous. In numbers, would yield a saving of 125 gigawatts. A decrease of 350 million tons of CO2.
The LED bulbs are much more versatile than incandescents, give you greater visual comfort and are very cost-effective.
There are several models of LED on the market. The most famous are the A60 (RGB, Color, Anti-Insectand 12/24V), PAR20 , and T5.
Now for comparison: fluorescent or LED?
Below, we have made a comparison table. In it, there are all the interesting aspects in choosing the lamp that ideal.
Even producing a luminous flux greater, the LED lamps have an energy efficiency greater for a required power less. In addition, the LED has 19 thousand hours of durability.
In the figures, is 791 days difference. More than two years.
In the dispute between fluorescent and LED, the new lighting technology takes the best.
Now it is up to you. It is never too late to change the lighting of your home. Whatever your objective: economy, decor or comfort. Is fluorescent or LED. The important thing is to make the best choice.
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