Automotive lighting system is one of the necessary systems for safe driving of automobiles. It mainly includes "exterior lighting fixtures, interior lighting fixtures, exterior signal fixtures, interior signal fixtures, etc. Today, Aobang Shanghai Car Rental Company Xiaobian will introduce you to the knowledge of automotive lighting systems
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Automotive lamps and lanterns are divided according to their functions and functions, and there are two main types: "Automotive lighting lights and automotive signal lights".
Car lighting according to its installation location and function includes: "headlights, fog lights, license plate lights, instrument lights, ceiling lights, work lights".
The car light signal lights also include: "turn signal lights, hazard warning lights, width indicator lights, taillights, brake lights, reverse lights".
Headlights are also called headlights and are installed on both sides of the head of the car to illuminate the road at night. There are two lamps and four lamps. Each vehicle is equipped with 2 or 4, the pair installed on the outside corresponds to the near-beam and high-beam double-beam lamps, and the pair installed on the inside corresponds to the high-beam single-beam lamp.
Fog lights are mounted on the front and rear of the car. Used to illuminate roads and provide signals for oncoming traffic and behind in rainy and foggy weather. The front fog lights are installed near the headlights and are generally slightly lower than the headlights due to low visibility on foggy days which limits the driver's line of sight. Red and yellow are the most penetrating colors, and the front fog light is yellow, because the yellow light wavelength is longer and has good fog transmission performance, and the bulb power is generally 35W. When a single rear fog lamp is used, it should be installed on the left side of the longitudinal plane of the vehicle. The distance between the rear fog lamp and the brake lamp should be greater than 100mm. The light color of the rear fog lamp is red to warn the following vehicle to maintain a safe distance. The lamp power is generally 21W.
The reverse light is mounted on the rear of the car and is used to reverse the road lighting behind the car and warn other vehicles and pedestrians, indicating that the car is reversing and has the function of a light signal device. Inverted, the light color is white, and the power is generally 28W.
The license plate lamp is used to illuminate the vehicle license plate, and it is required to be able to see the license plate number at 20m behind the vehicle at night. The license plate lamp is installed on the top or left and right sides of the car's tail plate, the light color is white, and the bulb power is 8 ~ 10W. It is not controlled by a separate switch and is controlled by a width indicator or headlight switch. There must be a license plate lamp as required, and it must be controlled with the same switch as the small lamp.
The car interior lighting system consists of ceiling lights, instrument lights, step lights, work lights, luggage compartment lights. Mainly for the convenience of drivers and passengers. The light color is white, and the bulb power is in the range of 2 to 20 W.
Overhead lights, mounted on top of the cab or compartment, are the lighting fixtures in the cab or compartment. Lights are generally white in color.
Instrument lights, mounted inside the dashboard, are used to illuminate automotive instruments. Lights are generally white in color.
Step lights are generally installed on the left and right sides of the steps of the car, which are used to illuminate the steps of the door to facilitate passengers getting on and off, and the lighting color is generally white.
Working light: A vehicle-mounted low-voltage lighting tool that can be moved when the vehicle is repaired, powered by a generator or battery. Often with hooks or clamps, plugs are cigarette lighter or two-post plugs.
Luggage compartment lights: These are the lights in the luggage compartment of the car, and the lights are white.
Reading light: It is installed in the front or top of the passenger seat. When the light is concentrated, the passenger reading will not cause dazzling to the driver, the illumination range is small, and there are also optical axis direction adjustment mechanisms. Content from dedecms
Door lights: Installed at the bottom of the inner side of the outer flared door of the car. When the door is opened, the door lights up to notify later pedestrians and vehicles to avoid it. The power is 5W and the light color is red.
Automotive Lighting Signal System
1. Turn signals
It is installed in the front, rear, left and right corners of the car, and is used to send out a light and dark alternating flash signal when the car turns, so that the front and rear vehicles, pedestrians, and traffic police know its driving direction. The light color of the turn signal lamp is amber platinum, and the bulb power is generally 20W. The indicated distance of the steering lights of the car requires that the front and rear steering lights are visible at a distance of 100m during the day, and the side steering lights are visible at a distance of 30m during the day. The flashing frequency of the turn signal light should be controlled at 1.0 ~ 2Hz.
2. Hazard alarm lights
Hazard warning lights are used when the vehicle encounters an emergency hazardous situation, and the front and rear left and right turn signals are turned on at the same time to give warning signals. Same requirements as turn signals.
3. Brake lights
The brake light indicates the braking or deceleration signal of the vehicle. The brake lights are installed on both sides of the rear of the car. The two brake lights should be symmetrical with the longitudinal axis of the car and at the same height. The light color of the brake light is red, and it should be ensured that it is visible at a distance of 100m during the day.
4. Contour light
The outline light is mounted on the front, rear, left and right edges of the car. Used to indicate the width of the car when driving at night. It is used to mark the width and height of the car when it is driving at night, so it is also called "width indicator lamp" and "high indicator lamp" accordingly. The outline light sign is visible 300m away at night. The light color of the front profile lamp is white, the light color of the rear profile lamp is mostly red, and the bulb power is 8 ~ 10W.
