CN109855044B - Lens, car light assembly and car - Google Patents
Lens, car light assembly and car Download PDFInfo
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- CN109855044B CN109855044B CN201910221829.7A CN201910221829A CN109855044B CN 109855044 B CN109855044 B CN 109855044B CN 201910221829 A CN201910221829 A CN 201910221829A CN 109855044 B CN109855044 B CN 109855044B
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- lens body
- pattern
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- 230000003287 optical effect Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000005286 illumination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JHJNPOSPVGRIAN-SFHVURJKSA-N n-[3-[(1s)-1-[[6-(3,4-dimethoxyphenyl)pyrazin-2-yl]amino]ethyl]phenyl]-5-methylpyridine-3-carboxamide Chemical compound C1=C(OC)C(OC)=CC=C1C1=CN=CC(N[C@@H](C)C=2C=C(NC(=O)C=3C=C(C)C=NC=3)C=CC=2)=N1 JHJNPOSPVGRIAN-SFHVURJKSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the field of automobile lamps, and discloses a lens, which comprises a lens body, and further comprises a light incidence surface (1 a) and a light emergent surface (1 b), wherein a pattern structure (2) is arranged on the light incidence surface (1 a), and the pattern structure (2) is distributed between two long edges of the light incidence surface (1 a) along the width direction of the lens body (1). The lens provided by the invention has the advantages of simple structure, convenience and flexibility in use, and capability of effectively improving the uniformity of light rays of the car lamp and improving the quality of the car lamp.
Description
Technical Field
The invention relates to the technical field of car lamps, in particular to a lens. The invention further relates to a vehicle lamp assembly comprising a lens. Further, the invention also relates to an automobile comprising the automobile lamp assembly.
Background
The LED lamp is used as a novel light source and has the following advantages: the working voltage is very low; the working current is very small; the shock resistance and the earthquake resistance are good, the reliability is high, and the service life is long; the intensity of light can be conveniently modulated by modulating the intensity of current. Since 1962 the first LED was invented, the technology of LEDs in the automotive lighting industry has become very mature and is widely adopted in the field of lamp manufacture.
Most of the modules used in the front headlights of automobiles in the market at present use projection illumination, namely light rays are emitted from an LED, reflected by a reflecting surface and converged at a lens focus, and finally emitted from a lens in a parallel light mode. When this type of illumination is used, the variety of LEDs that can be used is large, and the chip size and brightness vary. When the chip with small size and high brightness is adopted, the uniformity of the light type cannot be ensured, the road surface irradiation effect of the headlight can be directly affected, and the rule is possibly disqualified when serious.
For the above reasons, it is difficult to effectively ensure uniformity of light rays emitted from a lens in the prior art, and influence the irradiation effect of a lamp, thereby influencing quality and use effect of the lamp.
Disclosure of Invention
An aspect of the present invention is to provide a lens capable of effectively securing uniformity of light rays emitted from the lens, improving an irradiation effect of a lamp, and improving quality and market competitiveness of the lamp.
Another aspect of the present invention provides a vehicle lamp assembly including the lens, so as to improve uniformity of light rays of a vehicle lamp to solve the above-mentioned technical problems.
In a third aspect, the present invention provides an automobile, which includes the lamp assembly described above, so as to improve the uniformity of light of the automobile lamp to solve the above-mentioned technical problem.
In order to achieve the above object, the present invention provides a lens, which comprises a lens body, wherein the lens further comprises a light incident surface and a light emergent surface, and the light incident surface is provided with a pattern structure.
Preferably, the pattern structure comprises at least one group of ribs with arc-shaped cross-section outline, wherein each rib extends along the width direction of the lens body, and different ribs are distributed along the length direction of the light incident surface.
More preferably, the distance between two adjacent strips is 1mm-1.5mm, and the cambered surface arch height of each strip is 0.02-0.04mm.
As a preferred structural form of the present invention, the pattern structure is integrally formed with the lens body.
As another preferred embodiment of the present invention, the light incident surface and the light exit surface are curved surfaces protruding outward.
As a preferred embodiment of the present invention, the light incident surface is located at a side of the lens body close to the light source.
As a further preferable implementation form of the invention, a flange edge is arranged around the lens body, and a mounting hole and/or a mounting groove are arranged on the flange edge.
In addition, on the basis of the technical scheme, the invention also provides a car lamp assembly, which comprises the lens in any one of the technical scheme.
Furthermore, on the basis of the technical scheme, the invention also provides an automobile, which comprises the automobile lamp assembly.
Through the technical scheme, the lens comprises a lens body, and further comprises a light incidence surface and a light emergent surface, wherein the light incidence surface is provided with pattern structures, and the pattern structures are distributed between two long sides of the light incidence surface along the width direction of the lens body. The lens improves the uniformity of the light rays of the light ray emergent surface through the pattern structure arranged on the light ray incident surface, has a simple structure, is convenient and flexible to use, and can be suitable for different types of car lamps.
Drawings
FIG. 1 is a schematic diagram of a pattern configuration of one embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a light exit surface according to an embodiment of the present invention;
FIG. 3 is a top view of one embodiment of the present invention;
FIG. 4 is a schematic diagram of optical software ray simulation of one embodiment of the present invention;
FIG. 5 is a light pattern diagram of a lens without a pattern structure added to the light incident surface;
fig. 6 is a light pattern diagram of the light incident surface of the lens with a pattern structure added.
Description of the reference numerals
1 lens body 1a light incident surface
1b light exit face 1c flange edge
2 pattern structure 2a stripe pattern
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
It should be noted that, in the following description, terms such as "upper" and "lower" refer to terms of directions and orientations that are used to clearly describe the technical solution of the present invention, and are used in the analogy to directions that a lens is normally pointed out after being mounted on an automobile, for example, the direction of the lens that is near the ground after being mounted on the automobile is lower, and vice versa.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly via an intermediate medium, or in communication with each other or in interaction with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, 2 and 3, the lens of the present invention includes a lens body 1, and uniquely, the lens further includes a light incident surface 1a and a light exit surface 1b, and the light incident surface 1a is provided with a pattern structure 2.
In the embodiment shown in fig. 4, the pattern structure 2 disposed on the light incident surface 1a of the lens body 1 according to the present invention simulates a light pattern image in which light is emitted from an LED light source, reflected by a reflecting surface and collected at a lens focal point by using a light simulation function in optical software, a light pattern non-uniform area is selected from the light pattern image, a representative light path is selected, a black point is marked at an intersection of the light and the light incident surface 1a, and a light ray in a surface area of the light incident surface 1a is displayed by using a light ray back-collision function in the optical software, wherein the area is a pattern adding area.
In one embodiment shown in fig. 5, the lens without added patterns is simulated in optical software, has poor uniformity and large linear fluctuation, and when the lamp assembly formed by using the lens is used, obvious bright-dark boundaries are generated when lamplight irradiates on a road surface, and the road surface irradiation effect is greatly and negatively influenced.
In one embodiment shown in fig. 6, after adding a pattern to the light incident surface 1a of the lens, simulation analysis is performed in optical software, and the uniformity of the display light pattern in the black frame selection area is effectively improved.
In a specific embodiment shown in fig. 1, the pattern structure 2 includes at least one set of ribs 2a having an arc-shaped cross-sectional profile, wherein each of the ribs 2a extends along the width direction of the lens body 1, and different ones of the ribs 2a are distributed along the length direction of the light incident surface 1 a.
As shown in fig. 1, as a preferred embodiment of the present invention, the pitch of two adjacent ribs 2a is 1mm to 1.5mm. According to the technical scheme, the pattern adding area, pattern forms and pattern intervals can be simulated by utilizing optical software, so that pattern structural forms required by different car lamps can be properly achieved. Meanwhile, as another preferable embodiment of the present invention, the cambered surface camber of the rib pattern 2a is 0.02-0.04mm. The cambered surface arch height of the strip-shaped pattern 2a is also formulated according to the actual use requirements of different actual car lamps.
As a specific structural form of the present invention, the pattern structure 2 is integrally formed with the lens body.
As shown in fig. 3, as another specific structural form of the present invention, the light incident surface 1a and the light outgoing surface 1b are curved surfaces protruding outward.
As a specific embodiment of the present invention, the light incident surface 1a is located on the side of the lens body 1 close to the light source.
As another specific implementation form of the present invention, a flange 1c is provided around the lens body 1, and a mounting hole and/or a mounting groove are provided on the flange 1c, so that the lens body 1 is mounted on the vehicle lamp assembly.
In addition, the invention also provides a car lamp assembly, which is provided with the lens according to the scheme.
Further, the invention also provides an automobile, which comprises the automobile lamp assembly.
In summary, the lens of the present invention includes a lens body 1, and further includes a light incident surface 1a and a light emitting surface 1b, wherein the light incident surface 1a is provided with a pattern structure 2, and the pattern structure 2 is distributed between two long sides of the light incident surface along the width direction of the lens body 1. The lens of the invention improves the uniformity of the light emergent surface 1b through the pattern structure 2 arranged on the light incident surface 1a, improves the effect of the vehicle lamp irradiating the road surface, has simple structure and convenient and flexible use, and is suitable for different types of vehicle lamps.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (8)
1. The utility model provides a lens, includes lens body (1), its characterized in that still includes light incidence face (1 a) and light outgoing face (1 b), be equipped with decorative pattern structure (2) on light incidence face (1 a), decorative pattern structure (2) are curved bar decorative pattern (2 a) including at least two sets of cross-section profile, and each in the list group bar decorative pattern (2 a) are along the width direction of lens body (1) extends, and each set bar decorative pattern (2 a) are along the length direction distribution of light incidence face (1 a), wherein, decorative pattern structure (2)'s decorative pattern adds the regional formation as follows: the light simulation function in the optical software is utilized to simulate light emitted from an LED light source, the light is reflected by a reflecting surface and then converged on a light pattern diagram of a lens focus, a light-type uneven area is selected in the light pattern diagram, a representative light path is selected, a black point is marked at the intersection of the light and a light incident surface (1 a), and then the light in the optical software is utilized to display the light in the surface area of the light incident surface (1 a), wherein the area is a pattern adding area.
2. A lens according to claim 1, characterized in that the spacing between two adjacent ribs (2 a) is 1mm-1.5mm, the camber of the ribs (2 a) being 0.02-0.04mm.
3. Lens according to claim 1, the tread configuration (2) being of unitary construction with the lens body (1).
4. The lens according to claim 1, characterized in that the light entrance face (1 a) and the light exit face (1 b) are curved faces protruding outwards.
5. A lens according to claim 1, characterized in that the light entrance surface (1 a) is located at the side of the lens body (1) close to the light source.
6. Lens according to claim 1, characterized in that the lens body (1) is provided with a flange edge (1 c) around, the flange edge (1 c) being provided with mounting holes and/or mounting grooves.
7. A vehicle lamp assembly comprising a lens according to any one of claims 1 to 6.
8. An automobile comprising the lamp assembly according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221829.7A CN109855044B (en) | 2019-03-22 | 2019-03-22 | Lens, car light assembly and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221829.7A CN109855044B (en) | 2019-03-22 | 2019-03-22 | Lens, car light assembly and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109855044A CN109855044A (en) | 2019-06-07 |
| CN109855044B true CN109855044B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910221829.7A Active CN109855044B (en) | 2019-03-22 | 2019-03-22 | Lens, car light assembly and car |
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| Country | Link |
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| CN (1) | CN109855044B (en) |
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| JP2004148652A (en) * | 2002-10-30 | 2004-05-27 | Kyocera Mita Corp | Led array exposure device and image formation apparatus equipped with the same |
| JP2013178946A (en) * | 2012-02-28 | 2013-09-09 | Panasonic Corp | Lighting fixture |
| EP2735788A2 (en) * | 2012-11-27 | 2014-05-28 | OSRAM GmbH | Lens and illuminating device having the lens |
| CN104976586A (en) * | 2015-07-21 | 2015-10-14 | 东莞市旭瑞光电科技有限公司 | LED lens |
| TWI617771B (en) * | 2017-07-04 | 2018-03-11 | 福安工業股份有限公司 | Optical lens of car lamp |
| CN108302481A (en) * | 2017-10-19 | 2018-07-20 | 上海小糸车灯有限公司 | A kind of projection optics lens of motor vehicle |
| CN108534078A (en) * | 2018-01-30 | 2018-09-14 | 长春汽富维海拉车灯有限公司 | A kind of difunctional module system of LED array distance-light |
| CN209341143U (en) * | 2019-03-22 | 2019-09-03 | 华域视觉科技(上海)有限公司 | A kind of lens, vehicle lamp assembly and automobile |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20030853A1 (en) * | 2003-10-30 | 2005-05-01 | Ct Ricerche Plast Optica S R L | LUMINOUS DEVICE, IN PARTICULAR LUMINOUS PANEL FOR SIGNS OR INFORMATION TO THE PUBLIC, OR FANALE OF MOTOR VEHICLES. |
| JP4597890B2 (en) * | 2006-03-29 | 2010-12-15 | 株式会社小糸製作所 | Vehicle headlamp lamp unit |
| FR2979996B1 (en) * | 2011-09-13 | 2013-12-27 | Valeo Vision | OPTICAL UNIT, IN PARTICULAR FOR MOTOR VEHICLE |
| WO2014113810A2 (en) * | 2013-01-21 | 2014-07-24 | sp3 nanotech LLC | Switchable lens apparatus and method |
| JP6693052B2 (en) * | 2015-06-02 | 2020-05-13 | 市光工業株式会社 | Vehicle lighting |
-
2019
- 2019-03-22 CN CN201910221829.7A patent/CN109855044B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004148652A (en) * | 2002-10-30 | 2004-05-27 | Kyocera Mita Corp | Led array exposure device and image formation apparatus equipped with the same |
| JP2013178946A (en) * | 2012-02-28 | 2013-09-09 | Panasonic Corp | Lighting fixture |
| EP2735788A2 (en) * | 2012-11-27 | 2014-05-28 | OSRAM GmbH | Lens and illuminating device having the lens |
| CN104976586A (en) * | 2015-07-21 | 2015-10-14 | 东莞市旭瑞光电科技有限公司 | LED lens |
| TWI617771B (en) * | 2017-07-04 | 2018-03-11 | 福安工業股份有限公司 | Optical lens of car lamp |
| CN108302481A (en) * | 2017-10-19 | 2018-07-20 | 上海小糸车灯有限公司 | A kind of projection optics lens of motor vehicle |
| CN108534078A (en) * | 2018-01-30 | 2018-09-14 | 长春汽富维海拉车灯有限公司 | A kind of difunctional module system of LED array distance-light |
| CN209341143U (en) * | 2019-03-22 | 2019-09-03 | 华域视觉科技(上海)有限公司 | A kind of lens, vehicle lamp assembly and automobile |
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| Publication number | Publication date |
|---|---|
| CN109855044A (en) | 2019-06-07 |
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