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Fog-preventing automobile lamp

A car lamp and fogging technology, which is applied in the direction of air-proof/waterproof devices, motor vehicles, road vehicles, etc., can solve problems such as potential safety hazards, and achieve the effects of prolonging the service life, reducing the risk of fogging lamps, and reducing humid air

Pending Publication Date: 2017-07-07
HASCO VISION TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the desiccant fails, it will be difficult to avoid fogging the lights, thus causing a great safety hazard

Method used

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  • Fog-preventing automobile lamp
  • Fog-preventing automobile lamp
  • Fog-preventing automobile lamp

Examples

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Embodiment Construction

[0029] The invention discloses an anti-fog vehicle lamp, which is integrally injection-molded, such as Figure 1-5 As shown in the schematic diagram of the structure of the lamp, it includes a lamp body 2, and at least two one-way valves 1 are arranged on the lamp body. The opening power of the one-way valve comes from the air pressure difference between the inside and outside of the lamp body, and the two The opening directions of the one-way valves are opposite, that is, one is toward the outside of the lamp body, and the other is toward the inside of the lamp body. The external light distribution mirror 3 is fixed on the lamp body, the lamp body and the external light distribution mirror are assembled to form the outer contour of the vehicle lamp, and the lamp body, the external light distribution mirror and the one-way valve in the closed state together surround into a closed chamber. When the air pressure inside and outside the lamp body is balanced or has no major chang...

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PUM

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Abstract

The invention relates to a fog-preventing automobile lamp which comprises a lamp body and an outer lens. At least two one-way valves are arranged on the lamp body. The opening power of the one-way valves is from the air pressure difference of the interior and the exterior of the lamp body, wherein the opening directions of the two one-way valves are opposite. A closed cavity is commonly defined by the lamp body, the outer lens and the one-way valves in the closed state. According to the fog-preventing automobile lamp, due to the fact that the one-way valves can only be automatically opened only under the condition that the pressure difference exists, gas exchange is reduced, damp air entering the lamp is reduced, and the fogging risk of the automobile lamp is also reduced; and meanwhile, under the condition that a drying agent is arranged in the automobile lamp, the work time of the drying agent is shortened by reducing air exchange, the service life of the drying agent is prolonged, the automobile lamp is in a drying state for a long time, and fogging of the automobile lamp is prevented.

Description

technical field [0001] The invention relates to a vehicle lamp with an anti-fog structure, belonging to the technical field of vehicle lamp manufacture. Background technique [0002] As we all know, foggy headlights can affect driving safety. Since the existing vehicle lamp communicates with the outside world, the inside and outside of the vehicle lamp are always in a state of exchanging air. For lamps that use desiccant to prevent fog, if the lamp is kept ventilated with the outside world through the vent hole, the desiccant will continuously absorb the moisture in the air entering the lamp from the outside, which will seriously reduce the service life of the desiccant. Once the desiccant fails, it is difficult to avoid fogging of the headlights, thus causing a great safety hazard. SUMMARY OF THE INVENTION [0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides an anti-fog vehicle lamp, the internal environment of the v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/10F21V31/03F16K1/36F16K15/02F16K27/02F21W101/02F21W107/10
CPCF16K1/36F16K15/028F16K27/0209F21S45/30F21V31/03F21W2107/10
Inventor 张一天王宽
Owner HASCO VISION TECHNOLOGY CO LTD