Car lamp rear cover with replaceable desiccant, car lamp and car

Abstract

The invention relates to the technical field of car lamps, in particular to a car lamp rear cover with a replaceable desiccant, a car lamp comprising the car lamp rear cover and a car comprising the car lamp. The car lamp rear cover comprises a rear cover body, and a desiccant bag and a fixing piece are mounted in the rear cover body; and the desiccant bag is loaded with the desiccant, the fixingpiece is detachably connected with the rear cover body, and the fixing piece fixes the desiccant bag into the rear cover body. After the desiccant in the desiccant bag reaches the service life or thewater absorption state reaches saturation, the rear cover body can be removed, the desiccant bag is taken out and replaced by dismounting the fixing piece, or the car lamp rear cover is overall replaced directly, thus replacing of the desiccant bag can be achieved quite conveniently and quickly, and it is ensured that the desiccant in the car lamp can eliminate mist effectively for a long time.

Description

technical field [0001] The invention relates to the technical field of automobile lamps, in particular to an automobile lamp rear cover with replaceable desiccant, an automobile lamp comprising the automobile lamp rear cover and an automobile comprising the automobile lamp. Background technique [0002] In recent years, with the popularity of LEDs (Light Emitting Diodes, light emitting diodes), LEDs are used more and more frequently in automobile headlights. However, since the LED itself is a cold light source, it cannot emit a large amount of heat to disperse the water vapor, which leads to the generalization and severity of the fogging phenomenon inside the lamp. The fogging phenomenon in the lamp can be eliminated by adding desiccant inside the lamp body. The advantage of this method is that the cost is low, but at the same time the disadvantage is that each pack of desiccant has its own service life. Usually, the service life of each pack of desiccant is After half a ye...

AI Technical Summary

Problems solved by technology

However, because the LED itself is a cold light source, it cannot emit a large amount of heat to disperse the water vapor, which leads to the generalization and seriousness of the fogging phenomenon inside the lamp.

The fogging phenomenon in the lamp can be eliminated by adding desiccant inside the lamp body. The advantage of this method is that the cost is low, but at the same time the disadvantage is that each pack of desiccant has its own service life. Usually, the service life of each pack of desiccant is After half a year, when the desiccant reaches the service life or the water absorption state reaches saturation, it can no longer play a role, and it has a certain timeliness

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