Rearview mirror.
The reverse mirror is one of the important safety parts of the motor vehicle body, which is used to observe the rear road condition of the car in the process of reversing and the driver to observe the whole body of the car in the process of driving the vehicle.
At present, the domestic vehicle reverse mirror reflection film is generally made of silver and aluminum, and some of it is made of chromium. In foreign countries, chrome mirrors have replaced silver mirrors and aluminum mirrors.
The anti-glare mirror is generally installed in the compartment, which is composed of a special mirror and two photodiodes and an electronic controller, the electronic controller receives the forward light and the back light signal sent by the photodiode. If the illumination light shines on the interior mirror, if the rear light is larger than the front light, the electronic controller will output a voltage to the conductive layer. The voltage on the conductive layer changes the color of the electrochemical layer of the mirror, the higher the voltage, the darker the color of the electrochemical layer, at this time even if the strong irradiation to the reverse mirror, the anti-glare mirrors reflected to the driver's eyes will show dark light, not dazzling.
Generally, the car has three rearview mirrors, and the owner drives to see them almost no less than a hundred times a day, but there are some related problems that are often ignored, such as how to adjust the rearview mirror to achieve the best degree, how to deal with the blind spot problem of the rearview mirror and the impact of the reflectivity of the rearview mirror on various light situations. With the help of the car rearview mirror, the driver can expand the field of vision, indirectly see the rear of the car, side and below the situation, it can be said that the car rearview mirror plays a crucial role for the driver, so what should the owner pay attention to the problem of the rearview mirror?
(1) Rearview mirror adjustment has a set of rules, can not be all by feeling
Everyone has a different habit of driving, generally by feeling to adjust the rearview mirror. In fact, there are certain rules for rearview mirror adjustment. The following issues need to be noted in the adjustment:
① To adjust the three rearview mirrors, first adjust the sitting position, and then adjust the mirror.
② For the rearview mirror in the car, the left and right positions are adjusted to the left edge of the mirror just cut to the right ear of the image in the mirror. This means that in general driving circumstances, you can't see yourself from the rearview mirror in the car, and the upper and lower positions are to place the distant horizon in the center of the mirror.
For the left rearview mirror, the upper and lower positions are to place the distant horizon in the center, and the left and right positions are adjusted to the body occupying 1/4 of the mirror range.
For the right rearview mirror, because the driver's seat is on the left side, the driver's mastery of the right side of the body is not so easy, coupled with the need for roadside parking sometimes, the ground area of the right rearview mirror is larger when adjusting the upper and lower positions, accounting for about 2/3 of the mirror. The left and right positions are also adjusted to 1/4 of the body area.
(2) The scope of the rearview mirror is limited, and you should be careful of the blind spots
Many people think that in order to eliminate blind spots, the left and right mirrors should be turned outward or downward as far as possible. This can backfire, because you can't eliminate blind spots, and it may also make you relax your blind spot observation. A normal driver can see about 200° to the left and right of the front without looking back, in other words, there is about 160° that is invisible. Relying on three small mirrors to cover the remaining 160° is too "strong mirror". In fact, the left and right rearview mirrors plus the rearview mirrors in the car can only provide an additional visual range of about 60°, so what should be done with the remaining 100°? The remaining 100 degrees is what we call a blind spot. This is why we need to look back at our blind spots while driving. Although many new cars are equipped with double curvature mirrors, but this is just the left, right rearview mirror Angle of view to increase some, still can not fully cover all areas, so the blind spot or to be more careful.
(3) The reflectivity of the rearview mirror is different during the day and at night, and should be adjusted appropriately
Few people pay attention to the reflectivity of the rearview mirror. The size of the reflectivity is related to the reflective film material on the surface of the mirror, and the larger the reflectivity, the clearer the image reflected by the mirror. Automotive rearview mirror reflective film is generally used in silver and aluminum materials, their minimum reflectivity is generally 80%. High reflectivity will have side effects in some occasions, such as driving at night under the illumination of the car headlights, the reflection of the rearview mirror in the car will make the driver have a blinding sense, affecting driving safety, so the rearview mirror in the car is generally a prismatic mirror, although the mirror is flat, but its cross-section shape is prismatic, it uses the surface reflectivity of the prismatic mirror and the inside reflectivity is not the same characteristics, Achieve no glare requirement. During the day, the internal reflective film of silver or aluminum with a reflectivity of 80% is used, and at night, the surface glass with a reflectivity of only about 4% is used. To this end, the internal rearview mirror in the daytime position should be properly rotated at night to make it adapt to driving requirements.
Many car manufacturers are working hard in the car rearview mirror, rearview mirror defrosting and fog function, washing function, rearview mirror LCD technology and concept car rearview camera technology have emerged, a variety of advanced equipment makes the car more intelligent and safer, but for each production car, the left and right rearview mirror located on the side of the door and the rearview mirror inside the car. Although they look like an eyesore, although they increase driving resistance, and because of their position on the outermost sides of the body, they are particularly prone to collision damage, yet no car is short of them. Only by making full use of the three "eyes" on the car can driving be safe and reliable. In the purchase, we must buy genuine products, inferior products have great security risks. Many people choose online shopping, online shopping, must go to the regular website to buy.
Left and right rearview mirror adjustment standard: the distant horizon is located in the middle of the mirror, and the body accounts for 1/4 of the mirror. Rearview mirror adjustment standard: The distant horizon is located in the middle of the mirror, you can see your right ear. There are several notes: (1) When adjusting the rearview mirror, choose the horizontal road. (2) When adjusting the driver's seat, adjust the rearview mirror. (3) The rearview mirror is a visual blind area, do not superstitious rearview mirror.
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