CN108916808A - The lighting device for vehicle with aesthstic exposure mask - Google Patents
The lighting device for vehicle with aesthstic exposure mask Download PDFInfo
- Publication number
- CN108916808A CN108916808A CN201810096194.8A CN201810096194A CN108916808A CN 108916808 A CN108916808 A CN 108916808A CN 201810096194 A CN201810096194 A CN 201810096194A CN 108916808 A CN108916808 A CN 108916808A
- Authority
- CN
- China
- Prior art keywords
- curved surface
- lighting device
- compound curved
- surface portion
- spline curve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
Abstract
The lighting device (1) that the present invention relates to a kind of for vehicle comprising：Cup-shaped shell (2) with front inlet port (3), setting are at least one lighting module (5) being spaced apart in shell with inlet port (3) and aesthstic exposure mask (7) for covering the gap between inlet port and lighting module；Wherein, aesthstic exposure mask (7) is defined as by upper surface (8) towards at least one lighting module (5；6) and multiple individual surface portion (9,10) by being disposed adjacent to each other are formed；At least part in the individual surface portion (9) is protruding upward and is defined by least one continuous first compound curved surface (11), first compound curved surface (11) is limited by the convolution of the first spline curve (12) and the second spline curve (13) and is generated by the second spline curve (13) along the translation of the first spline curve (12), and vice versa.
Description
Prioity claim
This application claims European Patent Application No. 17154080.0 priority submitted on January 31st, 2017, should
The disclosure of patent application is incorporated by reference into.
Technical field
The present invention relates to a kind of lighting devices equipped at least one lighting module and aesthstic exposure mask.
Background technique
The lighting device for vehicle known in the art for being provided with multiple optical modules.
EP2957822 discloses a kind of lighting device including rotary module, the rotary module include fixed reflector,
The light source for the fixation being aligned with axis and the two opposite screens rotated about the axis are enclosed under the action of motor actuator；Two
Screen is presented as two lens, for example, one is provided with prism, one be it is neutral, so as to when each screen is before reflector
The light distribution provided by light source and reflector is provided when side selectively rotates.
The lighting device of the prior art of one or more rotary modules is provided with (for example, the illumination of EP2957822 fills
Set) actuating mechanism is needed to operate rotary module.Unfortunately, due to modern lighting device be usually provided with exterior clear cover/thoroughly
Mirror can be seen that lighting module by the translucent cover/lens, and therefore, these mechanisms can be externally visibly.Therefore, lighting device
Need to be arranged the aesthstic exposure mask for covering the actuating mechanism.
Aesthstic exposure mask may also be needed with by each photograph in the lighting devices with one or more fixed lighting modules
The profile of bright module is engaged with the general outline of lighting device, and the profile of lighting module generally has to follow the aesthstic profile of vehicle
And/or caused possibility gap is installed in covering by different lighting modules in the same shell of lighting device.
Such aesthetics exposure mask is usually placed between lighting module and exterior clear cover, to close lighting module and shell
Gap between exterior contour, and the metalized surface that may have reflectivity can be set.
When one or more lighting modules are switched on, there may be parasitic light for the reflecting surface of aesthstic exposure mask.It is parasitic
Light may cause undesirable light distribution or even make driver's dim eyesight of other vehicles dizzy.
Summary of the invention
It is an object of the present invention to provide a kind of lighting devices for vehicle, have：Shell, setting in the housing from
Externally visible one or more lighting modules of shell and between being arranged between lighting module and the exterior contour of shell
At least one of gap aesthetics exposure mask, wherein avoided when one or more lighting modules are switched on or at least greatly reduce because
The dizzy danger of the dim eyesight of intersecting vehicle caused by parasitic light.
According to the present invention, the lighting device for vehicle with the feature provided in appended claims is provided.
Detailed description of the invention
The description that figure from reference to the accompanying drawings carries out a kind of non-limiting embodiment of the invention, it is of the invention
Other feature and advantage will become apparent, in the accompanying drawings：
Fig. 1 diagrammatically illustrates the front schematic view for the lighting device for vehicle realized according to the present invention, wherein
For simplicity removing some components；
Fig. 2 diagrammatically illustrates the details of the lighting device of Fig. 1 with the ratio amplified, and schematically depicts the present invention
Operating principle；
Fig. 3 is schematic and is also illustrated showing for the geometric jacquard patterning unit surface being embodied in lighting device of the invention with the ratio of amplification
It is intended to；And
Fig. 4 is schematic and the details of Fig. 2 is also illustrated with the ratio of amplification.
Specific embodiment
Referring to Figures 1 and 2, appended drawing reference 1 indicates the entirety of the lighting device for vehicle, the non-limiting reality shown in
It applies in mode, which includes vehicle head lamp, which only schematically shows partially and only.However, it is intended to
Described content can be used in any Vehicular illumination device.
Lighting device 1 includes being designed to the substantially cup-shaped shell 2 that is installed on vehicle, the vehicle be it is known, still
For simplicity being not shown.Shell 2 is made up of the plastic material synthesizing of injection molding, and has back in use
To vehicle and towards the traveling of vehicle or the front inlet port 3 of direction of travel, which is closed by translucent cover, this is transparent
Cover preferably include not provide the transparent lens (" succinct lens (terse lens) ") of optical function, the translucent cover be it is well known simultaneously
And for simplicity being not shown.
Shell 2 carries inside it：At least one (or multiple) first lighting module 5, in the embodiment shown for
The key lighting module of lighting device 1, for example, being cross light lamp or high beam；And possible multiple secondary illumination modules 6, it should
Secondary illumination module is well known and for simplicity being only symbolically shown in broken lines；When there are secondary illumination modules 6
When, it is designed to whole together or Additional optical function is provided separately, and can be fixed or can surround laterally
In the axis rotation of the optical axial OA (Fig. 2) of key lighting module 5.
For " optical axial ", in this paper and the following geometry meant along the transmission of light caused by lighting module 5
Axis.
Lighting module 5,6 can be seen from outside by inlet port 3 and translucent cover, and be arranged side by side to face entrance
Mouth 3.
Lighting module 5,6 is spaced apart with inlet port 3 so that lighting device 1 further include for cover setting inlet port 3 with
The aesthstic exposure mask 7 of clearance G between lighting module 5,6.
Optical mask 7 in substantially horizontal directions, along and into the light transverse to first (master) lighting module 5 of mouth 3
The entire width parallel for learning axes O A extends in above-mentioned clearance G, and optical axial OA is oriented in driving for vehicle in use
It sails on direction.
Aesthstic exposure mask 7 is defined as by the upper surface 8 for hiding clearance G towards lighting module 5,6.A master according to the present invention
Aspect is wanted, upper surface 8 is formed by the multiple individual surface portion 9,10 being disposed adjacent to each other, wherein the individual surface
At least part (that is, part 9 in an example shown) in part is protruding upward.
Individual surface portion 9 protruding upward is defined by least one continuous first compound curved surface 11.
Referring to Fig. 3, wherein the example on surface 11 is only shown schematically and not to scale, the surface portion 9 of each protrusion
The first compound curved surface 11 limited by the convolution of the first spline curve 12 and the second spline curve 13, each first compound curved surface 11
Generated by the second spline curve 13 along the translation of the first spline curve 12；It according to circumstances in turn can also be with, that is,
Each first compound curved surface 11 can be generated by the first spline curve 12 along the translation of the second spline curve 13.
Here and in the following, " spline curve " is meant to be generated by one group of predetermined point by image interpolation method
Geometrical curve.In mathematics, batten (is claimed by polynomial function segmentation definition and in the place of multinomial section connection
For node) with height flatness numerical function.In interpolation problem, spline interpolation is usually better than pure polynomial interpolation
With because it with generate similar with highe order polynomial interpolation as a result, being avoided simultaneously due to imperial lattice phenomenon (Runge's
Phenomenon unstable caused by).In computer graphics, the parameter curve that coordinate is provided by spline curve is because of its construction
Simply, assessment be easy and it is accurate and can by curve matching and interactive Curve Design come the shape of approximate complexity by
It welcomes.
Most common batten is cubic spline (i.e. 3 ranks), be especially comparable to C2 continuously compound Bezier three
Secondary B-spline.
In the preferred embodiment shown in, all individual surface portion 9 protruding upward are first compound by one
Curved surface 11 and second compound curved surface 14 define, as shown in Figure 3, second compound curved surface 14 be it is continuous and
It is limited by the convolution of the first compound curved surface and the second compound curved surface；However, according to aspects of the present invention, limiting compound curved surface 14
First compound curved surface and the second compound curved surface (not shown) have the curvature opposite with the curvature of curve 12 and 13, so that first is multiple
Closing curved surface 11 and the second compound curved surface 14 has opposite curvature.
Referring again to Fig. 4, the second compound curved surface 14 of the surface portion 9 of each protrusion is set close to the first compound curved surface 11
It sets, and between the first complex-curved mathematics for separating edge 15 by being formed between the first compound curved surface and the second compound curved surface
Breakpoint (cusp) separates.
Separating edge 15 is also top that is curved and limiting the surface portion 9 each individually protruded；The table of protrusion
The separated edge 15 of face part 9 is all arranged essentially parallel to the optical axial OA orientation of lighting module 5, that is, is equipped on it
On the direction of travel of the vehicle of lighting device 1.
In an example shown, in the case where the illuminated module 5,6 of the substantially entire width of inlet port 3 occupies, beauty
The carrying of entire upper surface 8 for learning exposure mask 7 constitutes the surface portion 9 of almost entire upper surface 8 individually protruded；It is non-shown in
In restricted embodiment, remaining upper surface 8 is made of single surface portion 10, and the single surface portion 10 is substantially flat
It is smooth and plane and define the leading edge 16 of aesthstic exposure mask 7.
Clearly shown in as shown in figure 1, the surface portion 9 individually protruded is prolonged along in the width direction of front inlet port 3
The parallel row of at least two stretched is arranged to chessboard structure.
In addition, according to another aspect of the invention, the surface portion 9 each individually protruded is adjacent with another
The surface portion 9 individually protruded, which limits, separates step 18；As clearly shown in Fig. 4, all separated steps both facing to front,
And their height is gradually increased in forward direction, so that the surface portion 9 of each protrusion is facing lighting module 5,6
Side flushed with surface portion 10, be then gradually increased to the top of surface portion 10, increase more at separated edge 15.
Separate the surface portion 9 that step 18 also separates front-seat adjacent protrusion by flat surface portion 10.
The upper surface 8 of aesthstic exposure mask 7 is preferably reflectivity, for example, it has been metallized, since exposure mask 7 is usually
The surface portion for being made and being protruded by injection molding with the plastic material of synthesis is (such as square due to the polygon being arranged to
Shape) shape and exists and separate edge 15 and separate step 18 and there is substantially prismatic shape, it is bored so that entire upper surface 8 has
Stone sample appearance.
(Fig. 4) according to another aspect of the invention, the surface 11 of the surface portion 9 of each protrusion is close to separately step 18
It protrudes and becomes spill in opposite side, formed mathematics inflection (flex).Surface 14 on the contrary, close to separate step 18 it is recessed and
Become to protrude in opposite side, also forms mathematics inflection.
Fig. 2 further shows schematically how the present invention works.
For appended drawing reference 20, indicate standard testing screen (only diagrammatic representation).As those skilled in the art institute is ripe
Know, which is that lighting device front in testing and the opaque mask apart from its 25m is arranged, by test
The ray cast that lighting device generates is on the screen.Therefore, in test screen 20, having reproduced can be filled by the illumination in test
Set the light distribution of acquisition.
When lighting module 5 is switched on, if upper surface 8 is made into reflexive (usually for beautiful and technology two
The reason of aspect), surface 8 may be reached by some light 21 that lighting device 5,6 issues and be reflected off：Illustrate shown in
In property example, such light 21 can form subpoint 22 on the screen 20.
If upper surface 8 is flat, or even if its surface element for being formed to have diamond sample appearance and protrusion
Points 9 surface 11,14 is inclination and flat, and the light 21 reflected by surface 8 will be almost parallel, therefore they can be
23 (they will be close to each other) of very small projection are formed in test screen 20, therefore there is the aggregation of more light：At this
In the case of kind, if light reflects upwards, even if only on-position lamp or dipped headlight they may also can make the driving that will be arrived
Member's dim eyesight is dizzy.
On the contrary, according to the present invention, gauging surface 11,14, the normal at each point continuously to change the surface (should
Perpendicular to the line on the surface at point) orientation, the light that allows to be reflected by upper surface 8 spread over a larger surface, from
And biggish projection 24 is formed in test screen 20；The optical density of projection 24 is so low so that being not in dazzling effect.
For gauging surface 11,14, following method can be used.
1) firstly, arbitrarily selecting first point of the surface in calculating, and it is directed to the first surface point, calculated it is assumed that example
Position of the subpoint 22 for the light being reflected by it in the case where such as connecting lighting module 5 in test screen 20.
2) secondly, creating the position of at least four subpoints 25 in test screen, make it in the vacation of no dazzling effect
Determine on light projection side.
3) this four subpoints are directed to, before calculating above the 1) article in want at select first point of such surface
The gradient of the normal of the reflecting surface of calculating.
4) then, it is determined that one group of second point on the surface to be calculated, normal of the surface at this group of second point are directed
For its subpoint on the screen 20 is arranged in the hypothesis light projection of no dazzling effect.
5) position of orientation and second point based on normal determined above, passes through spline method calculated curve 12,13.
6) finally, calculating whole surface 11,14 by translating curve 12 along curve 13, vice versa.
In this way, it can obtain with aesthstic exposure mask reflexive and with diamond sample appearance, without connecting
Lighting module 5,6 may cause any risk of any dazzling effect.In addition, for example can also be when connecting DRL or position lamp
Desired illuminating effect is obtained, and their light is also spread out by exposure mask 7 according to desired distribution.
It is thereby achieved that all purposes of the invention.
Claims (9)
1. a kind of lighting device (1) for vehicle comprising：Cup-shaped shell (2), be designed to be installed on vehicle and
With in use towards the front inlet port (3) of the forward travel direction of vehicle；At least one lighting module (5), in shell
Internal portion is arranged towards the inlet port and is spaced apart with the inlet port (3), lighting module (5,6) from outside by into
Entrance (3) is visible；And aesthstic exposure mask (7), it is used to cover the gap (G) between inlet port and at least one lighting module,
Aesthstic exposure mask (7) is parallel to the gap in substantially horizontal directions and extends and by upper surface (8) boundary of hiding gap (G)
It is set to towards at least one lighting module (5,6)；The lighting device is characterized in that：
I) upper surface (8) are formed by the multiple individual surface portion (9,10) being disposed adjacent to each other；
Ii at least part) in the individual surface portion (9) is protruding upward；And
Iii) individual surface portion (9) protruding upward is defined by least one first compound curved surface (11), and described first is multiple
Closing curved surface (11) is continuous and is limited by the convolution of the first spline curve (12) and the second spline curve (13)；
Iv) each first compound curved surface (11) has passed through the second spline curve (13) along the translation of the first spline curve (12)
And generate, vice versa.
2. lighting device (1) according to claim 1, which is characterized in that all individual surface portion protruding upward
(9) it is defined by first compound curved surface (11) and second compound curved surface (14), second compound curved surface (14) is
Continuously and also limited by the convolution of the first spline curve (12) and the second spline curve (13)；Second compound curved surface (14) is tight
Adjacent first compound curved surface (11) is arranged, and with the first compound curved surface (11) by forming the first compound curved surface and the second compound curved surface
Between separated edge (15) mathematics discontinuous point separate.
3. lighting device according to claim 2, which is characterized in that separate what edge (15) restriction was each individually protruded
The top of surface portion, and it is arranged essentially parallel to optical axial (OA) orientation of at least one lighting module.
4. lighting device according to claim 2, which is characterized in that the first compound curved surface (11) and the second compound curved surface
(14) there is opposite curvature.
5. lighting device according to claim 1, which is characterized in that the entire upper surface (8) of aesthstic exposure mask (7) carries institute
State the surface portion (9) individually protruded.
6. lighting device according to claim 5, which is characterized in that the surface portion (9) individually protruded is along in institute
It states the parallel row of at least two extended in the width direction of front inlet port (3) and is arranged to chessboard structure.
7. lighting device according to claim 1, which is characterized in that each the surface portion (9) individually protruded with
Another adjacent surface portion (9) individually protruded, which limits, separates step (18)；All separate step (18) are both facing to preceding
Side.
8. lighting device according to claim 1, which is characterized in that the upper surface (8) of aesthstic exposure mask (7) is reflexive
's.
9. a kind of vehicle is provided with lighting device according to claim 1 (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17154080.0A EP3354970B1 (en) | 2017-01-31 | 2017-01-31 | Lighting device for vehicles having an aesthetic mask |
| EP17154080.0 | 2017-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108916808A true CN108916808A (en) | 2018-11-30 |
| CN108916808B CN108916808B (en) | 2023-04-14 |
Family
ID=57963032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810096194.8A Active CN108916808B (en) | 2017-01-31 | 2018-01-31 | Lighting device for vehicle with aesthetic mask |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3354970B1 (en) |
| CN (1) | CN108916808B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9201687D0 (en) * | 1991-02-08 | 1992-03-11 | Koito Mfg Co Ltd | Projection-type vehicular headlamp |
| JPH09129003A (en) * | 1995-11-02 | 1997-05-16 | Koito Mfg Co Ltd | Head lamp for vehicle |
| CN102121661A (en) * | 2010-12-20 | 2011-07-13 | 中国商用飞机有限责任公司 | Reflecting face cover for navigation lamp and navigation lamp using same |
| CN102317835A (en) * | 2008-11-06 | 2012-01-11 | 柏布里特有限公司 | A radiation emitting element and a method of providing it |
| CN102691960A (en) * | 2011-03-24 | 2012-09-26 | 汽车照明罗伊特林根有限公司 | Motor vehicle lighting device and motor vehicle headlamp with such a lighting device |
| US20140286030A1 (en) * | 2013-01-21 | 2014-09-25 | Hella Kgaa Hueck & Co. | Lighting appliance for vehicles |
| FR3019116A1 (en) * | 2014-04-01 | 2015-10-02 | Valeo Vision | LIGHT DEVICE WITH DEVIATION SCREEN |
| DE102015002341A1 (en) * | 2015-02-24 | 2016-08-25 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Headlight for a motor vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2709811B1 (en) * | 1993-09-09 | 1995-12-01 | Valeo Vision | Projector of improved interior aspect for motor vehicle. |
| JPH11329009A (en) * | 1998-05-18 | 1999-11-30 | Koito Mfg Co Ltd | Head lamp for vehicle |
| FR2848286B1 (en) * | 2002-12-05 | 2006-02-10 | Valeo Vision | METHOD FOR MAKING A DECORATIVE PATTERN ON A COMPONENT OF A LIGHTING OR AUTOMOTIVE SIGNALING DEVICE |
| FR3022327B1 (en) | 2014-06-16 | 2016-06-10 | Valeo Vision | ROTARY LIGHTING AND / OR SIGNALING MODULE |
| JP6519347B2 (en) * | 2015-06-25 | 2019-05-29 | 市光工業株式会社 | Vehicle lamp |
-
2017
- 2017-01-31 EP EP17154080.0A patent/EP3354970B1/en active Active
-
2018
- 2018-01-31 CN CN201810096194.8A patent/CN108916808B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9201687D0 (en) * | 1991-02-08 | 1992-03-11 | Koito Mfg Co Ltd | Projection-type vehicular headlamp |
| JPH09129003A (en) * | 1995-11-02 | 1997-05-16 | Koito Mfg Co Ltd | Head lamp for vehicle |
| CN102317835A (en) * | 2008-11-06 | 2012-01-11 | 柏布里特有限公司 | A radiation emitting element and a method of providing it |
| CN102121661A (en) * | 2010-12-20 | 2011-07-13 | 中国商用飞机有限责任公司 | Reflecting face cover for navigation lamp and navigation lamp using same |
| CN102691960A (en) * | 2011-03-24 | 2012-09-26 | 汽车照明罗伊特林根有限公司 | Motor vehicle lighting device and motor vehicle headlamp with such a lighting device |
| US20140286030A1 (en) * | 2013-01-21 | 2014-09-25 | Hella Kgaa Hueck & Co. | Lighting appliance for vehicles |
| FR3019116A1 (en) * | 2014-04-01 | 2015-10-02 | Valeo Vision | LIGHT DEVICE WITH DEVIATION SCREEN |
| DE102015002341A1 (en) * | 2015-02-24 | 2016-08-25 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Headlight for a motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108916808B (en) | 2023-04-14 |
| EP3354970A1 (en) | 2018-08-01 |
| EP3354970B1 (en) | 2020-04-29 |
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