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Which car headlight modification is better? First, you need to know the following four types of head

Car headlights, also known as car headlights and car LED daytime running lights, as the eyes of the car, are not only related to the external image of a car owner, but also closely related to safe driving at night or in bad weather conditions. The use and maintenance of car lights cannot be ignored. We will find that the shape and function of car headlights have attracted more and more people's attention. Many driver friends are thinking about modifying the headlights, so which kind of headlights are better? Today we will talk about the four common types of headlights on the market.

Halogen lamp

Halogen headlights are a new generation of incandescent lamps, tungsten lamps filled with halogen elements such as bromine and iodine or halide. In order to improve the luminous efficiency of incandescent lamps, the temperature of the tungsten filament must be increased, but this will cause the tungsten to sublimate and condense on the glass shell, making it black. Halogen headlights are the most common type of headlights on cars. They are mostly found in models priced under 200,000 yuan and in low-profile models of some high-end brands. It has many advantages, including cheapness, fast lighting speed, and high visibility in rainy and foggy days. The disadvantage is that it feels too low-grade, and the light color does not seem to keep up with the trend and feels outdated. Because the car's light bulbs appear to darken during the day.

xenon lamp

Xenon headlights use matching electronic ballasts to instantly increase the 12V voltage of the car battery to a trigger voltage above 23KV, ionize the xenon in the xenon headlights to form arc discharge and make it glow stably, providing a stable car headlight lighting system. According to the authoritative definition of car2100, a xenon lamp refers to a high-pressure gas discharge lamp that is filled with a mixture of rare gases including xenon. The halogen lamp has a high-pressure gas discharge lamp, referred to as a HID xenon lamp, which can be called a heavy metal lamp or a xenon lamp.

Its light-emitting principle is to form an arc between two electrodes through the starter and electronic ballast and emit light, also known as "artificial small sun". , many halogen lamp owners have converted their headlights into xenon lamps, because the light source is white and the effect of the lens makes it look more beautiful and the lighting effect at night is clearer. Xenon lamps use the light emitted by xenon discharge as a light source. Although they have the advantage of saving electricity, they take time to light up. This is a major drawback of xenon lamps, and they are more expensive. As the mainstream configuration of high-end models in the past, they are gradually being replaced by LED headlights. replace.

LED headlight

The Chinese name of LED is light-emitting diode. As early as 10 years ago, LED embarked on the journey to enter the automotive field. Currently, LED has played a significant role in the application of interior lighting, brake lights, emergency lights, daytime running lights, etc. As a result, the proportion of LED in the interior and exterior lighting sources of the entire vehicle has exceeded 80%. With the rapid development of LED lighting technology and the gradual reduction of costs, LED headlights have gone through technical verification and concept car demonstrations in recent years, and are getting closer to the bright prospect of being widely used in mass-produced vehicle systems. From the Audi R8 electronic system fully using LED lights, to Mercedes-Benz, BMW, Cadillac, Toyota and other companies have also launched car models with LED headlights to replace traditional incandescent and HID lights. I believe that more car manufacturers will soon LED car lights are the first choice for automotive lighting.

Laser headlights

Which car headlight modification is better? First, you need to know the following four types of head 1

When it comes to lasers, many people may think that if such a "light" shines on their eyes, won't they blind them? Stop thinking about it, it won't happen. Let’s first understand the general irradiation distance of the first few types of headlights. Halogen headlights are about 100 meters, xenon headlights are about 170 meters, LED headlights are about 300 meters, and laser headlights are about 300 meters. . . It can reach about 600 meters! !

The light source of laser headlights - laser diodes and light-emitting diodes (LEDs) were born in almost the same era. Although the large-scale commercial application of laser diodes is slightly later than that of LEDs, their application range is wider. In measurement , electronics, communications, medicine, processing and other industries have laser diodes.

Laser headlights have most of the advantages of LED headlights, such as fast response, low brightness attenuation, small size, low energy consumption, long life, etc. Compared with LED headlights, laser headlights have advantages, especially in terms of size. The length of a single laser diode component can already be 10 microns, which is only 1/100 of the size of conventional LED components. This means that as long as designers are willing, traditional The size of car headlights can be significantly reduced, which may bring revolutionary changes to the design proportions of various elements on the front face of the car.

Domestic regulations even limit the distance to 475 meters. Laser headlights have all the advantages of LED headlights, and are smaller in size, leaving more space for designers to design the front face. However, the price of laser headlights seems to be a flaw now. Currently, only models such as the BMW 7 Series or Audi R8 are equipped with them. It will take time for them to become as popular as LED headlights.

Even if the headlights of your car can shine for a thousand meters, you should not turn on the high beams while driving. This will not only cause an accident, but also cause disputes. After all, "High Beam Dog" has brought enough things.

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