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Automobile lamp shade with self cleaning function

A lampshade, self-cleaning technology, applied in the direction of headlights, motor vehicles, road vehicles, etc., can solve the problems of fogging, contamination, adsorption of organic volatiles in the lampshade, etc., to prevent fogging and not easily contaminated with dirt. , the effect of decreased adhesion

Active Publication Date: 2019-12-13
金华市鹰王电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the object of the present invention is to provide a lampshade with self-cleaning function to solve the problem of adsorption of organic volatiles and fogging on the inner surface of the lampshade after the existing lamps are used for a long time. and the problem of internal contamination

Method used

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  • Automobile lamp shade with self cleaning function
  • Automobile lamp shade with self cleaning function
  • Automobile lamp shade with self cleaning function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] In this embodiment, the raw materials are weighed according to the ratio of Example 1 in Table 1, and the preparation steps are as follows:

[0036] Titanium dioxide pretreatment: first wash the titanium dioxide with a particle size of about 20nm with an ethanol solution, then remove the ethanol with water, dry it and put it in a low-temperature plasma device with oxygen as the working gas, a pressure of 1Pa, and a power of 100W for 1min. Then take it out for use;

[0037] (1) Pretreatment: Clean the surface of the photometric mirror with 35wt% ethanol solution, then clean it with clean water, place it in an oven, preheat the photometric mirror to 30°C, and set it aside;

[0038](2) Preparation of micro-erosion layer: add N,N dimethylformamide into the ethanol solution, stir well and prepare N,N dimethylformamide-ethanol mixed solution, wherein N,N dimethylformamide The concentration is 11wt%, then add propylene glycol methyl ether, mix well and then add the pretreated...

Embodiment 2

[0042] In this embodiment, the raw materials are weighed according to the ratio of Example 2 in Table 1, and the preparation steps are as follows:

[0043] Titanium dioxide pretreatment: first wash the titanium dioxide with a particle size of about 25nm with an ethanol solution, then remove the ethanol with water, dry it and put it in a low-temperature plasma device with oxygen as the working gas, a pressure of 1Pa, and a power of 100W for 2 minutes. Then take it out for use;

[0044] (1) Pretreatment: Clean the surface of the photometric mirror with 35wt% ethanol solution, then clean it with clean water, place it in an oven, preheat the photometric mirror to 33°C, and set it aside;

[0045] (2) Preparation of micro-erosion layer: add N,N dimethylformamide into the ethanol solution, stir well and prepare N,N dimethylformamide-ethanol mixed solution, wherein N,N dimethylformamide The concentration is 10wt%, then add propylene glycol methyl ether, mix well and then add the pret...

Embodiment 3

[0049] In this embodiment, the raw materials are weighed according to the ratio of Example 3 in Table 1, and the preparation steps are as follows:

[0050] Titanium dioxide pretreatment: first wash the titanium dioxide with a particle size of about 20nm with an ethanol solution, then remove the ethanol with water, dry it and put it in a low-temperature plasma device with oxygen as the working gas, a pressure of 1Pa, and a power of 100W for 1min. Then take it out for use;

[0051] (1) Pretreatment: Clean the surface of the photometric mirror with 35wt% ethanol solution, then clean it with clean water, place it in an oven, preheat the photometric mirror to 35°C, and set it aside;

[0052] (2) Preparation of micro-erosion layer: add N,N dimethylformamide into the ethanol solution, stir well and prepare N,N dimethylformamide-ethanol mixed solution, wherein N,N dimethylformamide The concentration is 9wt%, then add propylene glycol methyl ether, mix well and then add the pretreated...

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Abstract

The invention discloses an automobile lamp shade with a self cleaning function and belongs to the technical field of an automobile accessory. The automobile lamp shade comprises a lens, a reflector and a casing, wherein a transparent self cleaning coating coats the inner surface of the lens and comprises a micro erosion layer and a self cleaning layer; the micro erosion layer is provided with an uneven micro structure outer surface; the roughness Ra of the micro erosion layer is 10 to 20 mum; and the self cleaning layer is mainly prepared from aluminosiloxane resin prepared from methyl triethoxysilane, aluminum isopropoxide and carbodiimide through reaction. The automobile lamp shade is used for solving the problems that after an existing automobile lamp is used for a long time, organic volatile matters are adsorbed to the inner surface inside the lamp shade, fogging occurs, and dirty materials are stained to the inside.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to a lampshade for a car lamp with a self-cleaning function. Background technique [0002] In recent years, with the rapid development of urbanization, the number of cars per capita in my country has increased year by year, but the parking spaces have not matched the increase in cars, resulting in most cars parked outside or on the side of the road, and because the lights of the cars are external, Therefore, long-term exposure to the sun and rain, as well as air pollution and other influences, dust and water vapor can easily enter the interior of the lampshade from the gap to form dirt. Long-term use will easily lead to a decrease in the intensity of the lamp, resulting in dim lights and affecting driving safety. [0003] The internal parts of car lights are basically made of plastic material. After the lights are turned on, the internal ambient temperature of the lights is very h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S41/43F21V3/10B05D5/00B05D7/22B05D7/24F21W107/10
CPCB05D5/00B05D7/22B05D7/24B05D7/534B05D2451/00B05D2518/12B05D2601/24F21S41/435F21W2107/10F21V3/10B05D2425/01
Inventor 王建勇刘向东吕小波
Owner 金华市鹰王电子有限公司
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