What are the functions of the car light bulbs?
Headlamps are the most important lighting fixtures, traffic regulations on the headlights of the luminosity, the scope of the lighting are required, the lighting effect directly affect your and other people's traffic safety. Headlamps are closed and bulb can be replaced Two kinds of closed light is the bulb and lens, the lamp cover made a whole, easy to produce a large number of lamps.Most miniature cars and commercial vehicles of the square lights, round lights, are closed. Irregular shape, is not conducive to making closed, so the use of bulbs and shades, lens separate structure.Now the trend is that the more high-end cars, the more use of reversible bulb headlights.
The angle of the headlamps is adjustable, most of which is in the front compartment, behind the headlamps, through the positioning screw to adjust, there are some in the car outside the regulation, or in the car electric adjustment. With the aid of a photometric instrument, the car can be parked on a straight road to start the engine, but it is important to remember that the generator must be powered enough to maintain the normal operation of the headlamps. After each fine-tuning angle, Switch, adjust to you feel good on it.
In terms of auxiliary lighting, the requirements for wide lights, brake lights and reversing lights are bright enough and no flickering. The flicker frequency of the turn lights should be between 60 and 120 times per minute, and the frequency of the front and rear lights should be the same. Is not bright enough, you should first observe whether the lampshade aging and yellowing, or rainwater leakage caused by water vapor.Weather the method of cleaning the lamp cover is very simple, as long as the lampshade open, with a damp cloth will be wiped clean.If you feel the light The projection angle is no problem, but the lighting effect is still bad, it should change the bulb. Car headlamps bulbs are incandescent and halogen lamps, which halogen lamp power efficiency is higher, long life, although the price is higher , But now has become the mainstream.When buying bulbs, pay attention to the new bulb and the original light bulb power is exactly the same, because if the power will burn immediately, small will be less than the brightness, generally near the fixture will be posted Mark the power of the label.
