CN111810912A - Lens in car lamp and manufacturing method thereof - Google Patents
Lens in car lamp and manufacturing method thereof Download PDFInfo
- Publication number
- CN111810912A CN111810912A CN202010683361.6A CN202010683361A CN111810912A CN 111810912 A CN111810912 A CN 111810912A CN 202010683361 A CN202010683361 A CN 202010683361A CN 111810912 A CN111810912 A CN 111810912A
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- light
- lens
- finished product
- area
- semi
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24-F21S41/28
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Abstract
The invention discloses an inner lens of a car lamp, which comprises an inner lens body, wherein a plurality of refraction parts are arranged on the inner lens body, the refraction parts are connected into a prismatic convex structure by a plurality of inclined surfaces, at least two inclined surfaces on the prismatic convex structure are not identical, a boundary line is shared between two adjacent refraction parts, a concave part is formed between the surfaces of the boundary lines on the two adjacent refraction parts, each refraction part comprises a light transmission area and a shielding area, and the light transmission area or the shielding area respectively consists of at least one inclined surface. The invention also provides a manufacturing method of the lens in the car lamp, which comprises the following steps: selecting a light-transmitting material to be injected into a primary finished product; arranging a shielding layer on the surface of the semi-finished product to form the semi-finished product; determining a light transmission area and a shielding area on the semi-finished product; and removing the shielding layer in the area of the semi-finished product in the light-transmitting area by laser, and reserving the light-transmitting material layer to obtain the finished product. The uniform luminous effect is realized, the luminous effect is relatively three-dimensional, and a strong light and shade contrast effect can be presented.
Description
Technical Field
The invention relates to the technical field of vehicle lamp illumination, in particular to a light distribution mirror in a vehicle lamp and a manufacturing method thereof.
Background
The light distribution mirror is one of three major components of an automobile lamp and is used for diffusing parallel light beams reflected by the reflector in the horizontal direction so as to expand the irradiation range of light; the light is refracted downwards in the vertical direction, so that the road surface in a certain distance in front of the vehicle can be well and uniformly illuminated.
In the existing inner lens of the car lamp, in order to make the modeling luminous effect uniform, the texture patterns are mainly added on the inner lens, so that the light rays of the position lamp are uniform as much as possible; the other is that the inner lens adopts a light diffusion material, so that the light can uniformly emit light after penetrating through the light diffusion material; because the design has a single shape and the light-emitting effect is planar, the design is monotonous and stiff.
Disclosure of Invention
In order to solve the technical defects, the invention adopts the technical scheme that the inner lens for the vehicle lamp comprises an inner lens body, wherein a plurality of refraction parts are arranged on the inner lens body, the refraction parts are connected into a prismatic convex structure through a plurality of inclined surfaces, at least two inclined surfaces on the prismatic convex structure are not identical, a boundary line is shared between two adjacent refraction parts, a concave part is formed between the surfaces of the two adjacent refraction parts sharing the boundary line, each refraction part comprises a light transmission area and a shielding area, and the light transmission area or the shielding area is respectively composed of at least one inclined surface.
Further, the inclined plane is polygonal.
Furthermore, the refraction parts are arranged at equal intervals.
Further, the shielding region is arranged on the inner surface or the outer surface of the refraction part.
Furthermore, the light-transmitting area and the shielding area on two adjacent refraction parts are arranged at intervals.
Further, the inner lens body is composed of at least one of a plurality of flat or curved surfaces.
Further, the light-transmitting region is made of a transparent material or a light-diffusing material.
Further, the shielding area is made of a non-transparent material.
The invention also provides a manufacturing method of the lens in the car lamp, which comprises the following steps:
s1, selecting a light-transmitting material to perform injection molding to form a primary finished product;
s2, cleaning the surface of the primary product;
s3, arranging a shielding layer on the surface of the semi-finished product through paint spraying or aluminum plating treatment to form the semi-finished product;
s4, determining a light transmission area and a shielding area on the semi-finished product;
s5, performing laser processing on the light-transmitting area of the semi-finished product to remove the shielding layer in the area and keep the light-transmitting material layer;
and S6, cleaning residues on the surface of the semi-finished product to obtain the finished product.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
1. according to the lens in the vehicle lamp, the plurality of refraction parts are of the prismatic convex structures, and the surfaces of the two adjacent refraction parts sharing the boundary line respectively form the concave parts, so that different visual differences can be generated when light passes through the inclined surfaces of different shapes, a three-dimensional luminous effect is displayed on the basis of realizing uniform luminescence, and a strong light and shade contrast effect can be presented.
2. The plurality of refraction parts are arranged at equal intervals, so that the appearance is attractive; the light irradiates on the inner lens body composed of a plurality of planes or curved surfaces, and different light and shadow effects can be realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a lens in a vehicle lamp according to an embodiment of the present invention;
FIG. 2 is a perspective view of a lens in a vehicle lamp according to an embodiment of the present invention;
FIG. 3 is a perspective view of another orientation of a lens in a vehicle light provided by an embodiment of the present invention;
FIG. 4 is a diagram illustrating the luminous efficacy of a lens in a vehicular lamp according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of an integrally molded lens for use in a vehicular lamp according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a lens of a vehicle lamp provided with a shielding layer according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a lens in a vehicle lamp after laser processing according to an embodiment of the present invention.
The reference numbers are as follows:
1. the lens comprises an inner lens body, a plane 1a, a curved surface 2, a refraction part 2a, an inclined surface 3, a prismatic convex structure 4, a boundary line 5, a concave part 6, a light transmission area 7, a shielding area 8 and a mounting plate.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Example 1
Referring to fig. 1-7, the lens for a vehicle lamp provided in the present invention is disposed on the front surface or the side surface of a lamp at a position of a vehicle lamp, and includes a lens body 1, a plurality of refraction portions 2 are disposed on the lens body 1, the refraction portions 2 are connected by a plurality of inclined surfaces 2a to form a prism-shaped protrusion structure 3, at least two inclined surfaces 2a on the prism-shaped protrusion structure 3 are not completely the same, a boundary line 4 is shared between two adjacent refraction portions 2, and a recess portion 5 is formed between the surfaces of the two adjacent refraction portions 2 sharing the boundary line 4. Each refraction portion 2 comprises a light transmission area 6 and a shielding area 7, and each light transmission area 6 or each shielding area 7 is composed of at least one inclined surface 2 a.
Through a plurality of refraction portion 2 that are prismatic protruding structure 3, and the face of two adjacent refraction portion 2 common boundary lines forms depressed part 5 respectively, and light can produce different visual differences through the inclined plane 2a of different shapes, realizes even luminous basis on, demonstrates three-dimensional luminous effect, can present strong light and shade contrast effect.
Specifically, the inner lens body 1 is formed by integrally injection molding a colorless transparent material or a light diffusion material, and the outer surface of the inner lens body 1 except the refraction portion 2 is subjected to shading treatment. The inner lens body 1 is composed of at least one of a plurality of planes or curved surfaces, and is preferably a curved surface housing, and the width of the curved surface housing from one end to the other end is gradually narrowed. The periphery of the curved surface shell is composed of a plurality of planes 1a and curved surfaces 1b, mounting plates 8 are respectively arranged on the lower edges of the planes 1a and the curved surfaces 1b, mounting holes are formed in the mounting plates 8, and the mounting plates 8 are L-shaped.
Specifically, the plurality of refraction portions 2 may be regularly arranged, may be irregularly arranged, and is preferably arranged at equal intervals, and the inclined surface 2a is a polygon.
As shown in fig. 1 and 4, the shielding region 7 is disposed on the inner surface or the outer surface of the refraction portion 2. Similarly, the light-transmitting region 6 may be disposed on the inner surface or the outer surface of the refraction portion 2. Specifically, the light-transmitting area 6 and the shielding area 7 on two adjacent refraction parts 2 are arranged at intervals. The light-transmitting area 6 of each refraction part 2 is at least partially positioned below the corresponding shielding area 7, namely, the light-transmitting area 6 is positioned on the inner surface, and the shielding area 7 is positioned on the outer surface.
Specifically, the light-transmitting region 6 is made of a colorless transparent material or a light-diffusing material, and has a light transmittance of not less than 0.3, preferably 0.8 or more. Specifically polycarbonate material, polymethyl methacrylate, etc. The shaded area 7 is made of a non-transparent material. In particular alkyd resin paint, 1050 aluminum wires and the like. The thickness of the shielding area 7 during paint spraying is 1-3 μm; the thickness of the shielding region 7 is 5 μm to 7 μm when aluminized.
The invention also provides a manufacturing method of the lens in the car lamp, which comprises the following steps:
s1, selecting a light-transmitting material to perform injection molding to form a primary finished product;
s2, performing dust removal cleaning on the surface of the primary finished product;
s3, forming a semi-finished product by arranging a shielding layer on the surface of the semi-finished product through spray painting or aluminizing;
s4, determining a light transmission area and a shielding area on the semi-finished product;
s5, performing laser processing on the light-transmitting area of the semi-finished product to remove the shielding layer in the area and keep the light-transmitting material layer;
and S6, cleaning residues on the surface of the semi-finished product through a high-pressure air gun to obtain the finished product.
Wherein, when the inner lens needs to be designed to be bright, an aluminum plating process can be adopted, and the thickness of the shielding layer is 5-7 μm; when the inner lens is designed to be dark, a paint spraying process can be adopted, and the thickness of the shielding layer is 1-3 μm.
Specifically, the material of the light-transmitting area is a colorless transparent material or a light-diffusing material, and the light transmittance is not less than 0.3, preferably more than 0.8. Specifically polycarbonate material, polymethyl methacrylate, etc. The material of the shielding area is non-transparent material. In particular alkyd resin paint, 1050 aluminum wires and the like.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. The utility model provides a lens in car light, includes lens main part (1) in, its characterized in that: be equipped with a plurality of refraction portion (2) on interior lens main part (1), refraction portion (2) connect into prismatic protruding structure (3) by a plurality of inclined planes (2a), prismatic protruding structure (3) are gone up two at least inclined planes (2a) and are not identical, adjacent two boundary line (4) altogether between refraction portion (2), adjacent two form depressed part (5) between the face of boundary line (4) on refraction portion (2), every refraction portion (2) are including light transmission zone (6) and shield district (7), light transmission zone (6) or shield district (7) are equallyd divide and are constituteed by at least one inclined plane (2a) respectively.
2. The lens in a vehicular lamp according to claim 1, characterized in that: the inclined plane (2a) is polygonal.
3. The lens in a vehicular lamp according to claim 1, characterized in that: the refraction parts (2) are arranged at equal intervals.
4. The lens in a vehicular lamp according to claim 1, characterized in that: the shielding region (7) is arranged on the inner surface or the outer surface of the refraction part (2).
5. The lens in a vehicular lamp according to claim 1, characterized in that: the light-transmitting areas (6) and the shielding areas (7) on the two adjacent refraction parts (2) are arranged at intervals.
6. The lens in a vehicular lamp according to claim 1, characterized in that: the inner lens body (1) is composed of at least one of a plurality of planes or curved surfaces.
7. The lens in a vehicular lamp according to claim 1, characterized in that: the light-transmitting area (6) is made of a transparent material or a light-diffusing material.
8. The lens in a vehicular lamp according to claim 1, characterized in that: the shielding region (7) is made of a non-transparent material.
9. A manufacturing method of a lens in a car lamp is characterized in that: the method comprises the following steps:
s1, selecting a light-transmitting material to perform injection molding to form a primary finished product;
s2, cleaning the surface of the primary product;
s3, arranging a shielding layer on the surface of the semi-finished product through paint spraying or aluminum plating treatment to form the semi-finished product;
s4, determining a light transmission area and a shielding area on the semi-finished product;
s5, performing laser processing on the light-transmitting area of the semi-finished product to remove the shielding layer in the area and keep the light-transmitting material layer;
and S6, cleaning residues on the surface of the semi-finished product to obtain the finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683361.6A CN111810912A (en) | 2020-07-14 | 2020-07-14 | Lens in car lamp and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683361.6A CN111810912A (en) | 2020-07-14 | 2020-07-14 | Lens in car lamp and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111810912A true CN111810912A (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010683361.6A Pending CN111810912A (en) | 2020-07-14 | 2020-07-14 | Lens in car lamp and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111810912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268263A (en) * | 2020-10-27 | 2021-01-26 | 浙江金业汽车部件有限公司 | Dynamic luminous tail lamp of automobile |
Citations (11)
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|---|---|---|---|---|
| DE10037007A1 (en) * | 2000-07-29 | 2002-03-07 | Hella Kg Hueck & Co | Vehicle lamp, has a reflector comprising an assembly of injection molded base reflectors |
| CN101095077A (en) * | 2004-12-30 | 2007-12-26 | 3M创新有限公司 | Optical film having a structured surface with concave pyramid-shaped structures |
| CN101253363A (en) * | 2005-09-15 | 2008-08-27 | 日本瑞翁株式会社 | Directly downward type backlight device |
| JP2008298839A (en) * | 2007-05-29 | 2008-12-11 | Toppan Printing Co Ltd | Optical sheet, back light unit using the same, and display device |
| DE102008011478A1 (en) * | 2008-02-27 | 2009-09-03 | Heße, Andreas, Dr. | Micro-prism plate for entanglement of lamps in lighting area, has micro-pyramids embedded in plate with pyramid angles in preset angle range, and where plate is made of transparent plastic |
| CN202927696U (en) * | 2012-11-29 | 2013-05-08 | 重庆长安汽车股份有限公司 | Automotive combined tail lamp with inner lens |
| CN205746464U (en) * | 2016-05-10 | 2016-11-30 | 上海小糸车灯有限公司 | A kind of car light with watermark lens |
| CN106772726A (en) * | 2016-12-29 | 2017-05-31 | 中山市光大光学仪器有限公司 | Layers of prisms |
| CN108361652A (en) * | 2017-01-27 | 2018-08-03 | 标致雪铁龙汽车股份有限公司 | It include the lighting device of the block piece with diamond point formula pattern |
| CN108758555A (en) * | 2018-07-30 | 2018-11-06 | 华域视觉科技(上海)有限公司 | For the triangular curved unit of car light, light distribution decorative pattern and its design generation method |
| CN110966562A (en) * | 2018-09-30 | 2020-04-07 | 湖北华中马瑞利汽车照明有限公司 | Car lamp with flexibly-variable light-emitting surface model |
-
2020
- 2020-07-14 CN CN202010683361.6A patent/CN111810912A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10037007A1 (en) * | 2000-07-29 | 2002-03-07 | Hella Kg Hueck & Co | Vehicle lamp, has a reflector comprising an assembly of injection molded base reflectors |
| CN101095077A (en) * | 2004-12-30 | 2007-12-26 | 3M创新有限公司 | Optical film having a structured surface with concave pyramid-shaped structures |
| CN101253363A (en) * | 2005-09-15 | 2008-08-27 | 日本瑞翁株式会社 | Directly downward type backlight device |
| JP2008298839A (en) * | 2007-05-29 | 2008-12-11 | Toppan Printing Co Ltd | Optical sheet, back light unit using the same, and display device |
| DE102008011478A1 (en) * | 2008-02-27 | 2009-09-03 | Heße, Andreas, Dr. | Micro-prism plate for entanglement of lamps in lighting area, has micro-pyramids embedded in plate with pyramid angles in preset angle range, and where plate is made of transparent plastic |
| CN202927696U (en) * | 2012-11-29 | 2013-05-08 | 重庆长安汽车股份有限公司 | Automotive combined tail lamp with inner lens |
| CN205746464U (en) * | 2016-05-10 | 2016-11-30 | 上海小糸车灯有限公司 | A kind of car light with watermark lens |
| CN106772726A (en) * | 2016-12-29 | 2017-05-31 | 中山市光大光学仪器有限公司 | Layers of prisms |
| CN108361652A (en) * | 2017-01-27 | 2018-08-03 | 标致雪铁龙汽车股份有限公司 | It include the lighting device of the block piece with diamond point formula pattern |
| CN108758555A (en) * | 2018-07-30 | 2018-11-06 | 华域视觉科技(上海)有限公司 | For the triangular curved unit of car light, light distribution decorative pattern and its design generation method |
| CN110966562A (en) * | 2018-09-30 | 2020-04-07 | 湖北华中马瑞利汽车照明有限公司 | Car lamp with flexibly-variable light-emitting surface model |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268263A (en) * | 2020-10-27 | 2021-01-26 | 浙江金业汽车部件有限公司 | Dynamic luminous tail lamp of automobile |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |