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Halogen
Principle: Inject halogen into the bulb, and light up after heating tungsten.
Advantages: low cost, simple structure and so on.
Disadvantages: limited brightness, severe heat, yellow light color (lower color temperature but strong penetration), relatively short life (in fact, generally enough)
Xenon lights
Principle: The xenon lamp is filled with helium gas in a quartz glass tube, and then the vehicle-mounted 12 volt power supply is instantaneously increased to 23,000 volts through a supercharger. At high voltage, helium gas is ionized and generates a light source between the two power poles.
Advantages: high brightness (3 times the same wattage halogen bulb), light color and sunlight close, long life and so on.
Disadvantages: high prices, the structure is more complex (must have a lens and other structures), a long start-up time (3-4 seconds after lighting to achieve the rated brightness), rain, snow and fog weather, a serious decline in penetration.
LED headlight
Principle: LED is a light emitting diode, which is an electronic light emitting device. The use of a solid semiconductor chip as a light-emitting material causes direct emission of light by photon emission caused by recombination of carriers.
Advantages: Cost less than xenon lamp, energy saving, quick response (light time only a few subtle), high brightness, small size (can be arranged into a variety of cool shapes), long life (6-10 million hours can be used), etc. .
Disadvantages: poor heat dissipation (such as long-term use needs to consider a simple heat sink), not easy to repair and so on.
It can be seen that xenon and LED headlights have much more advantages than halogen headlamps. However, due to cost and manufacturers' differences in configuration, the halogen lamps are currently the most used models.
In addition, Xiao Bian’s friendship reminded the little buddies that although the headlights were so bright, they could not think of changing their halogen headlights into helium. This is not as simple as changing a light bulb. Most car halogen headlights do not have a lens, and the xenon headlights require a matching lens. In addition, illegally refitting vehicle headlights requires penalty.
Accidents caused by improper use of car headlights also occur from time to time. When you meet with a car and follow a car at a short distance, do not use high beam. Raise your hand and switch to a low beam. You may be able to avoid a traffic accident. Can you tell me?
Principle: Inject halogen into the bulb, and light up after heating tungsten.
Advantages: low cost, simple structure and so on.
Disadvantages: limited brightness, severe heat, yellow light color (lower color temperature but strong penetration), relatively short life (in fact, generally enough)
Xenon lights
Principle: The xenon lamp is filled with helium gas in a quartz glass tube, and then the vehicle-mounted 12 volt power supply is instantaneously increased to 23,000 volts through a supercharger. At high voltage, helium gas is ionized and generates a light source between the two power poles.
Advantages: high brightness (3 times the same wattage halogen bulb), light color and sunlight close, long life and so on.
Disadvantages: high prices, the structure is more complex (must have a lens and other structures), a long start-up time (3-4 seconds after lighting to achieve the rated brightness), rain, snow and fog weather, a serious decline in penetration.
LED headlight
Principle: LED is a light emitting diode, which is an electronic light emitting device. The use of a solid semiconductor chip as a light-emitting material causes direct emission of light by photon emission caused by recombination of carriers.
Advantages: Cost less than xenon lamp, energy saving, quick response (light time only a few subtle), high brightness, small size (can be arranged into a variety of cool shapes), long life (6-10 million hours can be used), etc. .
Disadvantages: poor heat dissipation (such as long-term use needs to consider a simple heat sink), not easy to repair and so on.
It can be seen that xenon and LED headlights have much more advantages than halogen headlamps. However, due to cost and manufacturers' differences in configuration, the halogen lamps are currently the most used models.
In addition, Xiao Bian’s friendship reminded the little buddies that although the headlights were so bright, they could not think of changing their halogen headlights into helium. This is not as simple as changing a light bulb. Most car halogen headlights do not have a lens, and the xenon headlights require a matching lens. In addition, illegally refitting vehicle headlights requires penalty.
Accidents caused by improper use of car headlights also occur from time to time. When you meet with a car and follow a car at a short distance, do not use high beam. Raise your hand and switch to a low beam. You may be able to avoid a traffic accident. Can you tell me?