CN109404857B - Optical thick-walled parts Automotive headlight optical systems - Google Patents
Optical thick-walled parts Automotive headlight optical systems Download PDFInfo
- Publication number
- CN109404857B CN109404857B CN201811433926.4A CN201811433926A CN109404857B CN 109404857 B CN109404857 B CN 109404857B CN 201811433926 A CN201811433926 A CN 201811433926A CN 109404857 B CN109404857 B CN 109404857B
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- Prior art keywords
- light
- middle plane
- section
- optical
- thick
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- 230000003287 optical effect Effects 0.000 title claims abstract description 56
- 238000009792 diffusion process Methods 0.000 claims abstract description 11
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/15—Strips of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
- F21S43/33—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors characterised by their material, surface treatment or coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/10—Position lights
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/35—Brake lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Abstract
The invention aims to provide an optical system of an automobile lamp of an optical thick-wall part, wherein the middle plane carries out bidirectional adjustment in two directions of horizontal and longitudinal, light rays of an LED light source enter the optical thick-wall part through the collimator and reach the middle plane of the optical thick-wall part, on one hand, one part of light rays are adjusted in the longitudinal cross section of the middle plane, the light rays reach the bottom light-emitting surface through total reflection, the other part of light rays are adjusted in the transverse cross section of the middle plane, the light rays are widened in the horizontal direction, finally, the light rays are emitted from a pattern surface with the diffusion at the bottom through the bidirectional adjustment in the horizontal and longitudinal directions. The collimator is used for light entering, the effect of improving the light efficiency is achieved, the middle plane with the bidirectional adjusting mechanism is used, light reaches the bottom light-emitting surface through longitudinal adjustment and total reflection, the light widens in the horizontal direction after horizontal adjustment, the horizontal width of the bottom light-emitting surface can be larger than that of the top light-entering surface, and the problems of saving and compact space of a PCB are solved.
Description
Technical Field
The invention relates to the field of automobile lamp optical systems, in particular to an optical thick-wall part automobile lamp optical system.
Background
With the development of automobile lamp technology, the design of the automobile lamp can strictly meet the requirement of regulations, the appearance requirement of the whole automobile customer on the automobile lamp, particularly the lighting effect is more and more important, and to a certain extent, the beautiful automobile lamp appearance can rapidly improve the visual feeling of an automobile. For automobile lamps, customers like the lamps to have novel designs and perfect lighting effects. So that more and more thick-wall parts are used for automobile lamps, and the requirements of transparency, uniformity and changeable shapes are met.
Although the existing thick-wall parts can meet the requirements of the whole vehicle customers on the modeling and the appearance of the vehicle, most of the traditional thick-wall parts have several problems: the LED lamp has a specific shape, needs a relatively large space, can only be vertical or in one direction, cannot be far away from the light emitting surface, has almost equivalent widths, and can not be compact in space, and saves the PCB.
Disclosure of Invention
In order to solve the problems, the invention provides an optical system of an automobile lamp of an optical thick-wall part, wherein the middle plane can be adjusted in two directions of horizontal and longitudinal directions, light rays of an LED light source enter the optical thick-wall part through the collimator, reach the middle plane of the optical thick-wall part, one side of the light rays is adjusted by the longitudinal cross section of the middle plane, the light rays reach the bottom light-emitting surface through total reflection, the other side of the light rays are adjusted by the transverse cross section of the middle plane, the light rays are widened in the horizontal direction, finally, the light rays are emitted from a pattern surface with the diffusion at the bottom through the horizontal and longitudinal bidirectional adjustment.
The invention aims to provide an optical thick-wall part automobile lamp optical system, which comprises an optical thick-wall part and LED light sources, wherein the top of the optical thick-wall part is provided with collimators which are transversely arranged, all collimators form a light inlet surface, and the top of each collimator is provided with the LED light source; the middle part of the optical thick-wall part is a middle plane, the rear part of the middle plane is provided with a middle plane longitudinal cross section, and an included angle exists between the middle plane longitudinal cross section and the vertical direction; the rear part of the middle plane is also provided with a middle plane transverse cross section, and an included angle exists between the middle plane transverse cross section and the square direction; the bottom of the optical thick-wall piece is a light-emitting surface with diffusion patterns; part of light enters the optical thick-wall member to reach the middle plane after being collimated by the collimator, and the light reaches the bottom through total reflection in the optical thick-wall member through the adjustment of the longitudinal cross section of the middle plane; meanwhile, the other part of light is scattered at a certain angle in the horizontal direction under the adjustment of the transverse cross section of the middle plane; the light rays are totally reflected in the optical thick-wall member and finally exit from the light-emitting surface with the diffusion patterns.
The further improvement is that: the light is widened in the horizontal direction after the transverse cross section of the middle plane is adjusted, so that the horizontal width L2 of the light emitting surface is larger than the horizontal width L1 of the light entering surface.
The further improvement is that: the angle of the transverse cross section of the middle plane is related to the horizontal width of the light-emitting surface, and the angle of the longitudinal cross section of the middle plane is related to the collimator and the light-emitting direction.
The further improvement is that: the color of the LED light source can be red as a tail lamp brake or position lamp, yellow as a turn signal lamp, or white as a headlight daytime running lamp or headlight position lamp.
The further improvement is that: the material of the optical thick-wall piece is polycarbonate or polymethyl methacrylate.
The further improvement is that: the collimator, the middle plane and the light-emitting surface with the bottom provided with the diffusion patterns can be spliced at will according to modeling requirements.
The further improvement is that: the angles between the collimator and the mid-plane may be combined at any angle.
The invention has the beneficial effects that: according to the invention, the middle plane can be adjusted in two directions of horizontal and longitudinal directions, the light of the LED light source enters the optical thick-wall part through the collimator and reaches the middle plane of the optical thick-wall part, on one hand, one part of the light passes through the adjustment of the longitudinal cross section of the middle plane, the light reaches the bottom light-emitting surface through total reflection, and on the other hand, the other part of the light passes through the adjustment of the transverse cross section of the middle plane, the light widens in the horizontal direction, finally, the light exits from the pattern surface with diffusion at the bottom through the horizontal and longitudinal bidirectional adjustment.
The collimator is used for light entering, the effect of improving the light efficiency is achieved, the middle plane with the bidirectional adjusting mechanism is used, light reaches the bottom light-emitting surface through longitudinal adjustment and total reflection, and the light widens in the horizontal direction after horizontal adjustment, so that the horizontal width of the bottom light-emitting surface can be larger than that of the top light-entering surface, and the problems of saving and compactness of a PCB (printed circuit board) can be solved.
The length and the angle of the three components of the freely combined automobile lamp optical system can be combined arbitrarily according to the modeling, and the flexibility of the highly adaptive modeling is realized; the light source and the light emitting direction can be at any angle, and the light source can be combined with the light emitting surface for a long distance, so that the requirement of compact modeling space is further easily met.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a rear view of the present invention.
FIG. 3 is a cross-sectional view of the invention taken along plane A-A of FIG. 1.
FIG. 4 is a cross-sectional view of the invention taken along plane B-B of FIG. 1.
Fig. 5 is an enlarged view of a portion of fig. 4 in accordance with the present invention.
Wherein: 1-optical thick-wall piece, 2-LED light source, 3-collimator, 4-middle plane, 41-middle plane longitudinal cross section, 42-middle plane transverse cross section, 5-light-emitting surface, 6-light, 7-included angle of middle plane longitudinal cross section and vertical direction, 8-included angle of middle plane transverse cross section and horizontal direction, L1-light-in surface horizontal width, L2-light-emitting surface horizontal width.
Detailed Description
The present invention will be further described in detail with reference to examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1-5, the embodiment provides an optical thick-wall member automobile lamp optical system, which comprises an optical thick-wall member 1 and an LED light source 2, wherein the top of the optical thick-wall member 1 is provided with collimators 3 which are transversely arranged, all collimators 3 form a light incident surface, and the top of each collimator 3 is provided with the LED light source 2; the middle part of the optical thick-wall part 1 is a middle plane 4, a middle plane longitudinal cross section 41 is arranged at the rear part of the middle plane 4, and an included angle 7 exists between the middle plane longitudinal cross section 41 and the vertical direction; the rear part of the middle plane 4 is also provided with a middle plane transverse cross section 42, and an included angle 8 exists between the middle plane transverse cross section 42 and the square direction; the bottom of the optical thick-wall member 1 is provided with a light-emitting surface 5 with diffusion patterns; a part of the light rays 6 enter the optical thick-walled member 1 to reach the middle plane 4 after being collimated by the collimator 3, and the light rays 6 reach the bottom in the optical thick-walled member 1 through total reflection by adjusting the longitudinal cross section 41 of the middle plane; meanwhile, the other part of light rays 6 are scattered at a certain angle in the horizontal direction under the adjustment of the middle plane transverse cross section 42; the light 6 is totally reflected in the optical thick-wall element 1 and finally exits from the light-emitting surface 5 with the diffusion pattern.
The color of the LED light source 2 is red as a tail light brake or position light. The material of the optical thick-wall part 1 is polymethyl methacrylate.
The light ray 6 widens in the horizontal direction after being regulated in the middle plane transverse cross section 42, so that the horizontal width L2 of the light emitting surface can be larger than the horizontal width L1 of the light entering surface, and the problem of compact space of the PCB can be solved; the angle of the middle plane transverse cross section 42 is determined by the horizontal width L2 of the bottom modeling light-emitting surface, and the wider the horizontal width L2 of the light-emitting surface is, the larger the included angle 8 between the middle plane transverse cross section and the horizontal direction is; the angle 7 between the longitudinal cross section 41 of the middle plane and the vertical direction is determined by the angle between the collimator 3 and the light emitting direction of the light emitting surface 5, and the angle of the longitudinal cross section 42 of the middle plane determines the utilization rate of the whole optical thick-wall member 1 to the light source 2.
The middle plane 4 can be adjusted in two directions of horizontal and longitudinal directions, the light 6 of the LED light source 2 enters the optical thick-wall part 1 through the collimator 3, reaches the middle plane 4 of the optical thick-wall part 1, one surface is adjusted by the longitudinal cross section 41 of the middle plane, the light 6 reaches the bottom light-emitting surface 5 through total reflection, the other surface is adjusted by the transverse cross section 42 of the middle plane, the light 6 widens in the horizontal direction, finally, the light 6 exits from the pattern surface with diffusion at the bottom through the two-way adjustment of horizontal and longitudinal directions.
The collimator 3 is used for light entering, the effect of improving the light efficiency is achieved, the middle plane 4 with a two-way adjusting mechanism is used, the light 6 reaches the bottom light-emitting surface 5 through longitudinal adjustment and total reflection, the light 6 widens in the horizontal direction after horizontal adjustment, the horizontal width of the bottom light-emitting surface 5 can be larger than that of the top light-entering surface, and the problems of saving of a PCB and compact space can be solved.
The length and the angle of the three components of the freely combined automobile lamp optical system can be combined arbitrarily according to the modeling, the collimator 3, the middle plane 4 and the light emitting surface 5 can be spliced arbitrarily according to the modeling requirement, the length of the collimator 3 can be changed according to the modeling, and the flexibility of highly adapting to the modeling is realized; the LED light source and the light emitting direction can be at any angle, and the light source can be combined with the light emitting surface for a long distance, so that the requirement of compact modeling space is easily met.
Claims (3)
1. The utility model provides an optical thick-wall spare car light optical system, is including optical thick-wall spare (1) and LED light source (2), its characterized in that: the top of the optical thick-wall piece (1) is provided with collimators (3) which are transversely arranged, all the collimators (3) form a light inlet surface, and the top of each collimator (3) is provided with an LED light source (2); the middle part of the optical thick-wall part (1) is a middle plane (4), a middle plane longitudinal cross section (41) is arranged at the rear part of the middle plane (4), and an included angle exists between the middle plane longitudinal cross section (41) and the vertical direction; the rear part of the middle plane (4) is also provided with a middle plane transverse cross section (42), and an included angle exists between the middle plane transverse cross section (42) and the square direction; the bottom of the optical thick-wall member (1) is provided with a light-emitting surface (5) with diffusion patterns; part of light enters the optical thick-wall member (1) to reach the middle plane (4) after being collimated by the collimator (3), and the light reaches the bottom through total reflection in the optical thick-wall member (1) after being regulated by the longitudinal cross section (41) of the middle plane; simultaneously, the other part of light rays are scattered in an angle in the horizontal direction under the adjustment of the transverse cross section (42) of the middle plane; the light is totally reflected in the optical thick-wall piece (1) and finally exits from the light-emitting surface (5) with the diffusion patterns;
The light is widened in the horizontal direction after the adjustment of the middle plane transverse cross section (42), so that the horizontal width L2 of the light emitting surface (5) is larger than the horizontal width L1 of the light entering surface;
the angle of the middle plane transverse cross section (42) is related to the horizontal width of the light emergent surface (5), and the angle of the middle plane longitudinal cross section (41) is related to the collimator (3) and the light emergent direction.
2. The optical thick-walled automotive lamp optical system of claim 1 wherein: the color of the LED light source (2) is red or yellow or white.
3. The optical thick-walled automotive lamp optical system of claim 1 wherein: the optical thick-wall piece (1) is made of polycarbonate or polymethyl methacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811433926.4A CN109404857B (en) | 2018-11-28 | 2018-11-28 | Optical thick-walled parts Automotive headlight optical systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811433926.4A CN109404857B (en) | 2018-11-28 | 2018-11-28 | Optical thick-walled parts Automotive headlight optical systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109404857A CN109404857A (en) | 2019-03-01 |
| CN109404857B true CN109404857B (en) | 2024-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811433926.4A Active CN109404857B (en) | 2018-11-28 | 2018-11-28 | Optical thick-walled parts Automotive headlight optical systems |
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| Country | Link |
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| CN (1) | CN109404857B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827147A (en) * | 2019-03-14 | 2019-05-31 | 华域视觉科技(上海)有限公司 | Shaped pattern unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011018508A1 (en) * | 2011-04-23 | 2012-10-25 | Automotive Lighting Reutlingen Gmbh | Light guiding element arrangement for use in light module of motor vehicle lighting device, has collimator element, where injected light is considered higher in meridional section than in sagittal section by collimator element |
| CN207407273U (en) * | 2017-10-31 | 2018-05-25 | 马瑞利汽车零部件(芜湖)有限公司 | The edge-lit heavy section casting module of uneven wall thickness |
| CN209068421U (en) * | 2018-11-28 | 2019-07-05 | 马瑞利汽车零部件(芜湖)有限公司 | Optics heavy section casting automobile lamp optical system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5664900B2 (en) * | 2010-12-03 | 2015-02-04 | スタンレー電気株式会社 | Optical unit for vehicles |
| WO2018006507A1 (en) * | 2016-07-06 | 2018-01-11 | 上海小糸车灯有限公司 | Vehicle lamp illumination device with different functions |
| CN106523986A (en) * | 2016-10-31 | 2017-03-22 | 马瑞利汽车零部件(芜湖)有限公司 | Light curtain automobile tail light with gradual change effect |
| CN207262329U (en) * | 2017-04-27 | 2018-04-20 | 法雷奥照明湖北技术中心有限公司 | Beam steering devices and vehicle lamp assembly |
-
2018
- 2018-11-28 CN CN201811433926.4A patent/CN109404857B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011018508A1 (en) * | 2011-04-23 | 2012-10-25 | Automotive Lighting Reutlingen Gmbh | Light guiding element arrangement for use in light module of motor vehicle lighting device, has collimator element, where injected light is considered higher in meridional section than in sagittal section by collimator element |
| CN207407273U (en) * | 2017-10-31 | 2018-05-25 | 马瑞利汽车零部件(芜湖)有限公司 | The edge-lit heavy section casting module of uneven wall thickness |
| CN209068421U (en) * | 2018-11-28 | 2019-07-05 | 马瑞利汽车零部件(芜湖)有限公司 | Optics heavy section casting automobile lamp optical system |
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| Publication number | Publication date |
|---|---|
| CN109404857A (en) | 2019-03-01 |
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