Nowadays, there are a wide variety of automotive headlamps on the market. Halogen, xenon, LED headlights, etc. are lamps and lanterns. They can also be said to be dazzling lights, and they are competing with each other. If you have to say who is better, Xiao Bian really can not say, not as small as the three types of car headlamps related information to conduct an integrated description, and then you have to choose it!
Halogen headlight
Halogen headlights were based on the incandescent lamp invented by the great inventor Edison, and the evolution of halogen gas from incandescent lamps evolved. Because the interior of the lamp body is filled with a halogen lamp such as a halogenated halogenated element such as bromoiodine, or a halide lamp, it is called a halogen lamp or a tungsten halogen lamp, and is also called a tungsten halogen lamp or a quartz lamp.
Light-emitting principle: The basic light-emitting principle of a halogen lamp is the same as that of an incandescent lamp, and they are all heat-radiating light sources. The difference is that halogen glass is filled with some halogen gas. When the filament receives current from the car, the temperature can reach 2500 degrees Celsius. Light is emitted from this incandescent process.
Advantages: simple structure, low cost; brightness is easy to control and adjust; light color is good, strong penetration; longer than ordinary incandescent lamp, color temperature, high luminous efficiency.
Disadvantages: The luminous efficiency of the halogen lamp is not very high; the halogen bulb generates a lot of heat and the energy is wasted; the light source does not converge and cannot be easily concentrated.
Xenon headlights
A xenon lamp is a high-pressure gas discharge lamp that is filled with an inert gas mixture including xenon gas and has no filament, and is abbreviated as a HID xenon lamp, and may also be referred to as a heavy metal lamp or a xenon lamp. It has a very high call in the automotive field called "HID gas headlights."
Luminous principle: By filling a variety of chemical gases, such as helium and other inert gases, in a UV-resistant quartz glass tube, and then increasing the voltage of the on-board 12 volt power supply to 23,000 volts through the booster, the helium gas will be ionized at high voltage. And generate light sources between the two poles of the power supply.
Advantages: The brightness is 3 times that of the halogen lamp, which can greatly reduce nighttime driving accidents. With high color temperature, it can produce 4000-12000 color temperature light, near the noon daylight color, the highest degree of acceptance and comfort of the human eye, and long service life; Less power consumption.
Disadvantages: Compared to halogen lamps, both the cost and the maintenance cost are higher; the xenon lamp requires the internal gas to reach a certain temperature to emit light, which causes a certain delay; the color temperature after lighting is higher, the xenon lamp The light penetration is not good.
LED headlight
LED headlamps are lighting fixtures that use LEDs as light sources. It is a solid-state semiconductor device whose ability is to convert electrical energy directly into visible light. According to the material of inorganic semiconductors, the emitted visible light color is also different.
Light-emitting principle: When the LED headlamps are energized with these semiconductor materials, only a part of the electric energy flows through the semiconductor material, and excess energy is released in the form of light, thereby converting the electric energy directly into light energy.
Advantages: high reliability, long service life, high lumens per watt; solid and simple structure, not easily affected by vibration; fast response.
Disadvantages: high cost; LED clusters have high heat dissipation and are easily damaged.
After reading the introduction of three different light sources, we have analyzed which car headlights are more amazing to you?
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