introduction
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At present, car manufacturers are attracting users with the advantages of safer, more environmentally friendly, more beautifully designed and more fuel efficient. At the same time, the new car models must also comply with the latest regulations, which has led to the continuous application of new technologies. The car lighting system is mainly used for night lighting roads, indicating the width of the vehicle, the interior of the lighting compartment and the night maintenance, etc. It is not only an important safety component of the automobile, but also the most important active safety device. Now, the system is undergoing major changes, and here are some of the new technologies in automotive lighting systems.
1 use of HID headlights
HlD (High Intensity Discharge) is based on the principle of arc discharge, which burns the helium in the bulb to replace the traditional tungsten filament burning. As a high-tech product for automotive lighting, HID breaks through the traditional tungsten filament bulb technology, using high-tech Xenon to fill the quartz inner tube, and then through the precision ballast to instantly increase the 12V power to 23000V, which stimulates the helium electrons in the tube. A strong arc of light is formed between the two electrodes to continuously emit light, which not only brightens but also shines wider. HID is more than three times brighter than a typical halogen lamp, but consumes only 50% of the halogen lamp and has a lifetime that is more than five times that of a typical halogen lamp. Using HlD lights, you can see road signs and front objects more clearly and quickly, making road conditions clearer and greatly increasing the safety of yourself and pedestrians. If you are careful, take a closer look at the "original original" HID headlights, which are bright enough and white enough to have no "high beam effect" and are very popular with drivers.
2 LED technology in lighting system applications
LED is the abbreviation of English light emitting diode. Its basic structure is an electroluminescent semiconductor material placed on a leaded shelf and then sealed with epoxy resin to protect the inner core. effect.
In addition, LED light sources have many advantages as follows:
Voltage: LED uses low-voltage power supply, the power supply voltage is between 6~24V, depending on the product, so it is a safer power source than high-voltage power supply, especially suitable for public places.
Performance: Energy consumption is reduced by 80% compared to incandescent lamps with the same efficacy.
Applicability: Very small, each unit LED chip is 3~5mm square, so it can be made into various shapes and suitable for variable environment.
Stability: 100,000 hours, the light decay is the initial 50%.
Response time: The response time of its incandescent lamp is millisecond, and the response time of LED light is nanosecond.
Environmental pollution: no harmful metal mercury.
Color: changing the current can change color. The light-emitting diode can conveniently adjust the energy band structure and band gap of the material by chemical modification method to realize multi-color luminescence of red, yellow, green and blue. For example, a red LED with a small current turns orange, yellow, and finally green as the current increases.
LED is called the fourth generation of automotive light source. In addition to high-level one-time investment, LED lights have the advantages that high quality and high quality incandescent lamps can't match, and there is no delay, energy saving, longevity, low heat, shock resistance, high color purity, etc. It has become an inevitable replacement for tungsten lamps and halogen lamps.
In addition, automotive LED lamp jewelry is a very popular car accessories at home and abroad, this is a new type of car decoration products, which integrates safety, practicality and decoration. Because the car LED chassis lamp has good waterproof performance and impact resistance, it usually has no maintenance and no scrubbing. The power is only equivalent to the power of a car headlight. It does not impose excessive burden on the car battery and the engine when used. The product is installed on the bottom of the car (or inside the car). On night, foggy, rainy and poor visibility, it can provide your car or its 36 vehicles with the location identification of your car or parking. Reduce accidents. Open the LED lights at night, the bottom of the car (or the interior of the car) presents a variety of red, blue, green and other discoloration, very beautiful, the product is very popular with young car owners.
3 Conclusion
The application of HID headlights and LED lights in automotive lighting systems makes the driver safer in manipulating the car, making the car lighting system not only highly practical, but also highly decorative and truly safe. Unity of sex, practicality and decoration.
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