Intelligent Lighting Trend: AFS Follow-up Steering

At present, the domestic medium-sized vehicles are equipped not only with xenon lamps, but also with more functions: follow-up steering, static auxiliary lighting, lenses, headlight cleaning, and automatic opening etc.. Among them, the highest technological content and the most useful one is AFS. Followed by steering. The automotive market has not been around for a long time. It is only in the past few years that people have known about it. If you see some blue and white lights in the evening, 80% of them are lights. Pay attention to the following pronunciation: Many people mistakenly read the "Xian" homonym) headlight lamp as a "fan" homonym headlight.

HID High-Intensity Discharge (HID) is a type of gas discharge headlight developed by Philips for 5 years. It was first applied to the lighting of industrial buildings and later developed to supply xenon headlamps for automobiles. HELLA, PHILIPS, OSRAM, and BOSCH are the four major manufacturers of Xenon lamps in Europe and the world-famous Xenon lamp brand. In the current domestic mid-size cars, the original Xenon lamps of manufacturers Also produced by these 4 OEMs. So what are the advantages of the xenon lamp compared to the usual halogen lamp?

High Brightness: The xenon lamp with the same power produces 3 times the illumination of the halogen lamp.

Long life: Xenon lamp life using gas ionization is 6 times longer than halogen lamp.

Low power consumption: Xenon lamps with the same brightness consume less than half the power of halogens.

High color temperature: The maximum color temperature of Xenon lamp can reach 12000K, which is far more than 3000K for halogen lamps. The 6000K which is close to daylight is the most comfortable frequency band for human eyes, and it is also the most common type with the highest usage rate.

In the early years, the Xenon lamp was of advanced configuration and was only available on imported high-end Mercedes-Benz, BMW, and other high-end models. Over the past few years, as its cost decreased and the number of domestic cars increased, the Xenon lamp gradually became a popular configuration. On the domestic medium-sized cars and even compact cars have begun to equip. AFS follow-up steering (also called headlight active steering system):

Usually, the headlights of automobiles have a certain range of illumination regardless of brightness. When turning at night, there will be a certain “blind area” due to the driving angle problem, which will affect the safety of driving to a certain extent, and the lighting light is fixed. Under the circumstances, this blind spot is inevitable, so the "AFS Lighting Follow-up Steering System" came into being. It can automatically adjust the headlight deflection according to the speed of the vehicle, steering angle, etc., so that it can illuminate the "unreached" area in advance, provide a full range of safety lighting, and ensure the safety of turning at night.

lens:

The Xenon lamp with AFS function must be equipped with a lens. According to the current common models on the market, in the classification of Xenon lamps, the presence or absence of "lenses" is one of the categories. The role of the lens is to be able to better gather divergent light sources, so that the far light is gathered but not scattered, and the near light is short and wide. Because of this advantage, some low-end models are equipped with lenses to improve them even without a xenon lamp. Lighting effect. On the other hand, the dispersion of the xenon lamp without a lens will cause some interference to other vehicles. Therefore, most countries in Europe have clearly stated that the assembly of a xenon lamp requires the installation of a lens. Most of the vehicles on the market that currently have xenon lamps use lens-type xenon lamps. Only a few cars with xenon lamps do not have lenses. For example, all the Honda Accord 8 generations (model configuration picture quotes) use no "reflective bowl" for the lens, and the near light is better. The high beam is more divergent. Generally, it will cause interference to the opposite vehicle. Static curved auxiliary lighting: (also called static auxiliary lighting)

"Static corner assistance lighting" is not the same thing as AFS. As long as you turn the steering wheel and even turn on the turn signal, the steering assist light placed inside the headlights will light up on one side. Its illumination angle and range are fixed, and it is within the original lighting range of the headlights. Increase the side of the lighting area.

In addition, there are basically "headlamp cleaning" and "induction headlamps" that are standard in the xenon lamp. The main function of the former is to clean the dust and dirt on the surface of the headlights to ensure the lighting effect; the latter's main role is to automatically turn on the headlights when it is dark or enters a dark environment, which can be considered as a humanity while improving driving safety. The embodiment of

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