How to solve the fogging of car lights[汽车维修知识]

PresentcarIn order to pursue better lighting effects, car lights are mostly lens-type. This kind of light is more concentrated, and the headlight mirror is only heated in a small area, and the moisture is mainly concentrated on the mirror surface outside the light area, so it is easier to be found . The fog entering the lamp will not affect the normal use of the lamp under normal circumstances, and there is no need to replace the lamp. It is understood that there is a plastic venting channel on the back cover of the headlights through which the thermally expanded gas is discharged, and sometimes some moisture enters the vents, causing slight fogging. This kind of fogging due to changes in temperature mostly occurs in winter, rainy season or foggy days.
In addition to the temperature difference caused by the car lights entering the fog, more cases are caused by the car owner's wading or improper washing of the car.
When cleaning the interior of the car, towels should be used to scrub, or the engine should be blown with compressed air, rather than directly flushed with a high-pressure water gun. If the car owner often uses a high-pressure water gun to wash the car lights or the interior of the car, it is easy to cause water droplets to flow into the vent, and water mist is prone to appear in the car lights. In addition, frequent wading into deep water can easily cause fog in the car lights. For example, self-driving enthusiasts like to drive through deep water, or car owners have to wade their car in heavy rain. Under normal circumstances, once the depth of the water exceeds the wheel, it will enter the car lights through the vent. Especially in heavy rain, it is most likely to cause the headlights to enter water, and the brightness of the headlights will also be affected after the water enters. If a lot of water enters, the headlights may be damaged. Therefore, remind car owners that they might as well check their lights after driving on rainy days. If you find that there is too much fog in the lights and this happens frequently, you should go to the repair shop for repairs in time.
Under normal circumstances, if the car owner encounters fog in the lights, he should first analyze the cause of the fog. If it is caused by temperature difference or humidity, such as using the lights for too long, turn off the lights directly after returning home from get off work. It was found that there was fog in the car lights in the morning. As long as the car owner turns on the headlights and high beams, the water mist in the headlights will slowly disappear after 10 to 20 minutes. But it is best not to let the car lights be baked at high temperature, because the materials of the car lights are generally plastic materials, if the baking temperature is too high, it is likely to cause the appearance of the car lights to soften and deform. In addition, the current car lights are generally integrated. Behind the transparent lampshade, there will be a back plate to protect the lamp body. High-temperature baking will also cause the glue between the two to melt, which will increase the car Possibility of flooding the lamp. Generally speaking, the water in the car lights will quickly evaporate and disappear under normal use of the car lights or under the sunlight. If your car lights frequently have water ingress, you should go to the repair shop to check the lamp body.car repairMaintenance net
For the entry of fog caused by car washing or wading into deep water, you must check the car lights immediately after washing the car or wading to see if there is any fog entering. If fog is found, turn on the car lights, and The water mist evaporates, so don't ignore the fog in the lamp for a long time. Normally, if there is too much fog in the car lights, and this happens frequently, it means that the dust cover of the car lights may crack, causing water to enter the car lights and form water fog in the lampshade. The brightness of the car lights will also be affected to a certain extent after the water enters. At the same time, it may also corrode the circuit plug and cause certain damage to the car lights. Therefore, car owners must develop the habit of checking the lights after driving on rainy days.
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