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1、What is HID Xenon?

HID lamp (High-Intensity-Discharge ) is the top product of the Metal halide lamp .Unlike Halogen lamps, HID lamps don’t have a filament but create light by the arc between two electrodes. There are distinctive metals contained in the arc tube: high-pressure Xenon(99.99%), mercury and metal halide. When starting voltage is applied to the electrodes from the ballast or ignitor, an arc is formed between them. The arc activates the Xenon, which in turn ignites the metal halide. The result of this action is the emission of light energy. Due to the high pressures of HID lamp operation, these wavelengths are concentrated in the visible light spectrum. We can get the desired color temperature through changing the pressure of HID lamp or the proportion of the metal halide.

2.Outstanding features

Super brightness: The brightness and its luminous flux are increased by 300% as that of the halogen tungsten lamp,so that the lamp can radiate to higher,wider and farther place.

Good color temperature: The color temperature is approximately 4300 K �10000k compared to 3000 K for halogen lamp.The common choose is 5500k,which is close to the sunlight and comfortable to our eyes,also benefit for the safe driving indirectly.

Low power consumption and high efficiency: The power of  Xenon metal halide lamp(35Watt,) for vehicle is only around half of tungsten halogen lamp but emitting 3 times of light.

Quick start up:  From starting up to reach full light,halogen lamp takes about 15 minutes,while HID lamp takes less than 0.001 second to start up and it can reach 85% of its full light in 1 second. For hot-restrike ,it takes several seconds to stabilization;for pulse-start ,it takes 10-20 seconds.

Extremely long life:

In practical terms, the life span of the bulb is equal to that of the car. Service life is almost 10000 hours,greatly above total hours of an automobile during normal night, which means that the bulb need only be replaced in exceptional cases.

high range of voltage adaptability :for +12V automobile power supply, the input operating voltage range is +9V–+16V; for +24V automobile power supply, the input operating voltage range is +18V–+32V with the constant power consumption.

Comparison between HID lamp and Halogen lamp
Category     Consumption Power(w)     Efficiency (%)     Luminous flux (Lm)     Color temperature     Life(H)
HID lamp     35     85     3200     2000-10000
5500(recommend)     2000-10000
Halogen lamp     55     20     1000     2000-3000     200-500

The type of HID lamp and matched electronic ballast for vehicles is as follow:
Lamp: 35W
H1、H4、H7 、9004 、9005、9006、 9007
electronic ballast:
the input operating voltage:+12V、+24V、+110V

3.why we use HID lamp

On the road, HID Xenon lighting systems appear as a bright white beam which resembles natural daylight. The bright white beam offers greater visibility and road safety.

High efficiency make the requirement for cooling the lamp lower and can reduce the aging of the lamp chimney.

Extremely long life make the HID lamp in proper condition without maintenance.

The constant power and brightness in such a huge range of input voltge make HID lamp unparalleled.

Quick start-up technique is the best solution for automobile lamp.

Out of question,HID lamp is a revolution of the automobile lamp!

Good color temperature. Halogen color temperature is determined mainly by the temperature of the filament, in addition to the lamp power, the filling pressure can be varied to change the temperature, but in the application of the product can reach up to 3000K, so that the light yellow color. The HID lights are usually selected at 4500K color temperature above 5500K white light, such as, the equivalent of noon sunlight, more in line with human visual perception. According to need but also within the scope of 2000K-10000K arbitrary choice.
Start fast. Common metal halide lamp, long arc xenon lamp or low pressure xenon lamp start to stabilize every 15 minutes or more, and start the HID xenon lamp is less than 0.001 seconds, can reach 85% of rated brightness within 1 second, the cold light 10- 20 seconds to establish a stable, a stable heat lamp within a few seconds.

Long life. Because no filament HID xenon lamp life issues, working material metal halide is circulating working electrode redox process at work is also circulating, so long life is one of its main features, the use of 2000 hours, the luminous intensity is only reduced 15%, still has more than 2700 lumens brightness, while using an invalid is nearly ten hours, more than the average car scrapped lights of the total time that the car has considerable life. And usually the life of the halogen lamp only 500 hours or less.
Wide voltage range. For + 12V car power supply, controller supply voltage range is + 9V- + lights between 16V, for the + 24V car power supply, controller supply voltage range of + lights between 18V- + 32V, and output constant power and lamp luminance.

Brighter headlights with HID

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