Insufficient lighting of the headlights and dim light are one of the causes of traffic accidents. According to the data, 60% of car accidents occurred at night, and another 22% of traffic accidents occurred under unclear conditions. In recent years, VOLVOS80 and BMW530i have listed xenon headlamps as one of the main safety equipments, and provide them to users with systems such as pressure-loss tires and active steering.
Xenon headlamps, also known as HID gas discharge headlamps, replace the traditional tungsten filaments with high-pressure helium gas wrapped in quartz tubes to provide a wider coverage angle and lower color temperature. The xenon lamp uses high-voltage current to activate helium to form arc light, which requires only 35 watts of power, which significantly reduces the burden on the vehicle's power supply system. Since the xenon lamp does not use tungsten wire, it has no concern of being oxidized and burned, and its life is five times that of a normal light bulb. Regarding safety, the manufacturers of headlights are considered very well, and are designed with three automatic protection devices: temperature, low voltage and automatic voltage regulation.
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