Basic functions of car lights and basic optical knowledge
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- Time of issue:2021-06-22
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(Summary description)What are the functions of the various lights of the car? Novices are generally not very clear, and it is easy to be in a hurry in the actual use process.
Basic functions of car lights and basic optical knowledge
(Summary description)What are the functions of the various lights of the car? Novices are generally not very clear, and it is easy to be in a hurry in the actual use process.
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2021-06-22
- Views:0
Information
What are the functions of the various lights of the car? Novices are generally not very clear, and it is easy to be in a hurry in the actual use process.
For novices, the most important thing to avoid is that due to lack of driving experience at night, they are not yet proficient in the operations that need to change the lights, or feel that the road conditions at night are complex and changeable and difficult to detect. Using high beam lights can increase the brightness of the lighting and the distance of sight. So the high beams were on all the way.
This is what many drivers hate most. Because when two cars meet, the strong high beam will bring blind spots to the driver of the opposite vehicle, which is very likely to cause a car accident. The correct approach is: night meeting vehicles should switch to low beams at a distance of 150 meters away from the oncoming vehicle in the opposite direction, and high beam lights cannot be used when meeting vehicles on narrow roads, narrow bridges and non-motorized vehicles. When following the car front and rear at night, the following car should not turn on the high beam. When overtaking at night, the far and near beams should be used alternately to remind the vehicle ahead.
Of course, there are also drivers who forget to turn off the high beam. If the vehicle on the opposite side of the vehicle flashes its headlights at night, it is likely that your "headlights" make the other person feel uncomfortable, and you should switch to low beams in time.
Car width lights cannot replace low beam lights
Turn signal: Turn signal is the most commonly used signal light, which is turned on when the vehicle needs to turn. It should be noted that the turn signal should be turned on when it is about 30 meters to 100 meters away from the turning intersection, not when it is already at the intersection, so that the following vehicles will be caught off guard and cause a rear-end collision.
Headlights: There are two types of headlights: high beam and low beam. Use low beams on roads with streetlights in urban areas, and use high beams when driving on roads without streetlights or on highways. When meeting cars, turn off the high beam headlights and switch to the low beam headlights.
Flashing headlights: used as a warning or greeting. You should also flash your headlights when entering and exiting intersections or turning to tell other vehicles "I'm coming."
Tail light (brake light): When the brake light is on, it tells the vehicles behind that it is braking and pay attention to slowing down. When you find that the front taillights are on, be prepared to slow down.
Emergency signal light (double flash): It is used in emergency situations such as a temporary stop when the vehicle breaks down. The double flash should also be turned on in bad weather with low visibility. Emergency lights are closely related to driving safety, so check whether they are normal from time to time.
Width indicator light (small light) at night: used to display the width and length of the vehicle body at night. When you can't see clearly behind from the rearview mirror, you should turn on the small light, especially on rainy days.
At night, when driving in and out of narrow intersections or at the same time, pay attention to:
For the driver, it is very important to use the lights correctly when driving at night, and the reasonable use of the lights of other vehicles can help safe driving.
If the light fluctuates, it indicates that the road is uneven: you can also judge the flatness of the road ahead by the up and down fluctuations of the lights of the oncoming vehicle, or you can use the light reflected from the rear of the vehicle in front to observe whether the headlights of your vehicle are defective.
Effective use of the lights of other vehicles when driving a vehicle at night can improve the driver's judgment ability and avoid traffic accidents.
Pedestrians must be prevented from seeing the shadow flickering: If there is a shadow flickering in the light, it means that there are pedestrians or cyclists in front of the car and they are very close to the intersection. In order to prevent the sudden appearance of pedestrians, you must slow down in advance, and don't take a chance to avoid accidents.
There is no guardrail to slow down: Many mixed lanes do not have a central guardrail. When oncoming vehicles are waiting in line and the lane is clear, you can find that the lights of the oncoming vehicles are uniform and regular. At this time, pedestrians rush to cross the road, and drivers often have blind spots due to the lights of oncoming vehicles. The driver should pay attention to slowing down and pass. When the front lights of the car change, it means that someone is moving in front of the car.
When entering and exiting the alleys, light the headlights first: In addition to the spacious roads, the urban roads also have narrow alleys and intersections. There are often vehicles or pedestrians suddenly coming out of the alley. If the driver fails to find out and take measures in time, it is extremely dangerous. If you can pay attention to the lights of vehicles driving out of the observation port, accidents can be avoided.
If you find that there are direct lights in the alley, it means that there is a vehicle to drive out of the mouth; according to the brightness of the light and the height of the light, the size of the vehicle can be judged: the light is bright and the height is low, and the light is dark and the position is high. Large vehicles. At this time, the driver should slow down, whistle, and alternately use far and near lights to remind the other party.
When driving in and out of the main road at night, look at the lights first: In order to improve the traffic capacity of the road, many roads with main and auxiliary roads have been built in the city. When driving to the entrance and exit of the main and auxiliary roads at night, pay attention to whether there are lights on the entrance and exit. If yes, it means that there are vehicles going out from the main road or entering from the side road. Because the entrance and exit directions designed by the transportation department are at an angle to the direction of the main and auxiliary roads, the lights of normal driving vehicles cannot be directly emitted. Only the lights of vehicles entering and exiting the main and auxiliary roads can be directly illuminated so as to be detected by other vehicles.
Driving skills at night in rainy and foggy days with poor visibility:
If you turn on the car lights incorrectly in rainy and foggy days, you will not be able to see the vehicle ahead, and will also cause line of sight problems due to low visibility, which will cause trouble to other driving vehicles. When encountering heavy rain and the visibility is less than 100 meters, it is recommended that the driver turn on the dual flashing lights. Especially on the highway, this can effectively remind the surrounding vehicles to pay attention to the vehicle they are driving and pay attention to the distance between the vehicles, and it can also effectively prevent rear-end collisions that occur in heavy rain. The anti-fog lights should be turned on at the same time in rain, snow and heavy fog. Large trucks should also turn on the outline lights.
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