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A car lamp structure for preventing car lamp water vapor condensation

A technology for car lights and water vapor, which is used in gas/waterproof devices, motor vehicles, road vehicles, etc., can solve the problems of low cost, cannot completely eliminate water vapor condensation, and has no long-term effectiveness, and can solve the problem of heat resistance and prevent water vapor. Condensation phenomenon, the effect of accelerating energy transfer

Active Publication Date: 2015-08-12
DONGFENG PEUGEOT CITROEN AUTOMOBILE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Practice has proved that for lamps with complex shapes and designs, the phenomenon of water vapor condensation cannot be completely eliminated by using all the methods mentioned above.
Therefore, there is no long-term effective and low-cost technology for how to effectively eliminate the water vapor condensation in the lamp

Method used

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  • A car lamp structure for preventing car lamp water vapor condensation
  • A car lamp structure for preventing car lamp water vapor condensation
  • A car lamp structure for preventing car lamp water vapor condensation

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Embodiment Construction

[0022] Such as figure 1 The vehicle lamp structure shown to prevent water vapor condensation of vehicle lights includes a lamp housing 3, a lamp shade 5 matched with the lamp housing 3, a light source holder 2 arranged on the lamp housing 3, and a light source 1 fixedly installed on the light source holder 2. A first interface 6 is opened on the lamp housing 3 in the light source area, and a second interface 7 is opened on the lamp housing 3 far from the light source area. The first interface 6 communicates with the second interface 7 through a vent elbow 4, and the vent elbow 4 Suspended in the external surrounding environment of the lamp housing 3, the ventilation elbow 4 is distributed in the surrounding environment outside the lamp housing 3. Because the ambient temperature is relatively low, when the light source is lit, the energy transfer of the lamp body can be accelerated, so It is a good solution to the heat-resistant problem of car lights. In this embodiment, the fir...

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Abstract

The invention relates to a car lamp structure preventing water vapor condensation of a car lamp. The car lamp structure comprises a lamp shell, a lampshade, a light source base and a light source, wherein the lampshade is matched with the lamp shell, the light source base is arranged on the lamp shell, and the light source is fixedly installed on the light source base. A first connector is formed in the portion, close to a light source area, of the lamp shell. A second connector is formed in the portion, away from the light source area, of the lamp shell. The first connector is communicated with the second connector through a ventilation bending pipe. The ventilation bending pipe is suspended outside the lamp shell. The requirements for contraction and expansion of a working medium inside the car lamp are met, and meanwhile, due to the facts that the flowing inside working medium inside the car lamp is accelerated and external water vapor is separated, the phenomenon of the water vapor condensation of the car lamp can be well prevented from happening. Due to the facts that that the bending pipe is arranged in the surrounding outside the lamp shell and the environment temperature is lower, when the light source is lightened, the energy transferring of a lamp body can be accelerated, and the heat-resisting problem of the car lamp can be well solved. Due to the fact that the two ends of the bending pipe are fixed on the lamp shell and the bending pipe is not communicated with the external world, the problem that external impurities enter the car lamp is effectively solved.

Description

Technical field [0001] The invention belongs to vehicle lamp technology, and in particular relates to a vehicle lamp structure for preventing water vapor condensation of the vehicle lamp. Background technique [0002] At present, the water vapor condensation problem of car lights, especially headlights, is a common appearance problem in today's car market. Water vapor condensation is caused by uneven temperature distribution and uneven flow field distribution in the lamp body. When the temperature in some areas is lower than the condensation temperature of water, a condensation core will form, thereby forming water vapor on the inner surface of the lamp body mask. Even water droplets seriously affect the appearance of the lamp body, and will have a great impact on the life and conductivity of the electronic parts in the lamp body. [0003] At present, the most popular method to solve this problem is to spray a layer of anti-fog paint on the inner surface of the lamp mask in the la...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21S8/10F21V31/03F21W101/02F21W107/10
Inventor 李祥兵王春才
Owner DONGFENG PEUGEOT CITROEN AUTOMOBILE
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