CN110454743A - Car light - Google Patents
Car light Download PDFInfo
- Publication number
- CN110454743A CN110454743A CN201810424209.9A CN201810424209A CN110454743A CN 110454743 A CN110454743 A CN 110454743A CN 201810424209 A CN201810424209 A CN 201810424209A CN 110454743 A CN110454743 A CN 110454743A
- Authority
- CN
- China
- Prior art keywords
- light
- lens
- car light
- optical axis
- focus
- 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
Links
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of car light is suitably mounted to vehicle, and includes lens, reflecting element, illuminating part, matte and raster unit.The lens are located at along the optical axis that the vehicle lengthwise direction extends, and including incidence surface, in contrast to the light-emitting surface of the incidence surface, and positioned at the rear focus of the optical axis.The reflecting element includes the first focus, and for the second focus for passing through of light of reflection.The illuminating part emits light towards the reflecting element.The light that the matte is used to that the lens to be made to project forms "cut-off"line.The raster unit is located under the optical axis and is located between the rear focus and the lens, and including lenticular lenses, and the lenticular lenses are used to reflect the light that at least part passes through and with the optical axis in an angle, and the angle is between 0 degree~45 degree.The light passed through by the raster unit filtration fraction reaches the effect of reducing the astigmatism and dispersion near "cut-off"line.
Description
Technical field
The present invention relates to a kind of lighting apparatus, more particularly to a kind of car light.
Background technique
Existing a kind of car light car light as disclosed in No. 7736036 Patent Cases of U.S. Patent No., refering to the 7736036th
Fig. 2 and Fig. 5 of number Patent Case illustrate the label of filling application at that time below.The car light mainly include a projection lens 12,
One illuminating part 14 and a reflecting element 16.The projection lens 12 defines the optical axis Ax extended along the longitudinal direction, and
Including the incidence surface 12a and a light-emitting surface 12b along the optical axis direction separately.It is saturating that the illuminating part 14 is located at projection
The rear near focal point of mirror 12.The reflecting element 16 reflects the light from the illuminating part 14.It is formed on the light-emitting surface 12b
Multiple left and right extend and upper and lower spaced lens component 12As and 12Bs, and the section of the lens component 12As and 12Bs is
It is wavy.
When the "cut-off"line of car light excessively understands, it is unclear to remote zones identification to will cause driving, and via described
After the light that reflecting element 16 is reflected is divided via the projection lens 12, it will cause and nearby occur wavelength above "cut-off"line
Shorter spectrum colour causes the opposite discomfort driven.
Therefore, No. 7736036 Patent Case be mainly lens component 12As to be formed on the light-emitting surface 12b with
12Bs, the light for reflecting the reflecting element 16 is via the projection lens 12 dispersion appropriate, and whereby, some light can color
It is dissipated to the top of "cut-off"line, keeps "cut-off"line fuzzy, to reach the discomfort for reducing and driving to always vehicle.
Only, the angle of the lens component 12As and 12Bs and position must be precisely controlled, and can just diverging light be made to restrain, otherwise
It has the excessive dispersion of light and makes to be located at the brightness enhancing above "cut-off"line, cause opposite driving eye dazzling or bright
Brightness below dark dead line weakens because of excessive dispersion, causes the situation of insufficient light.
Summary of the invention
The purpose of the present invention is to provide a kind of optical arrangements to simplify, and can be reduced astigmatism and color near "cut-off"line
Dissipate the car light of phenomenon.
Car light of the invention is suitably mounted to vehicle, and the car light includes lens, reflecting element, illuminating part, matte, and
Raster unit.
The lens are located at along the optical axis that the vehicle lengthwise direction extends, and including for entering light for light incidence
Face, in contrast to the incidence surface and the light-emitting surface that is projected for light, and the rear focus positioned at the optical axis.
The reflecting element includes the first focus far from the rear focus, and the second focus of the neighbouring rear focus, institute
The light for reflection of the first focus and second focus two at least within is stated to pass through.
The illuminating part adjacent to the reflecting element the first focus, and towards the reflecting element emit light.
The light that the matte is used to that the lens to be made to project forms "cut-off"line.
The raster unit be located under the optical axis and be located at it is described after between focus and the lens, and including lenticular lenses,
The lenticular lenses are used to reflect the light that at least part passes through and with the optical axis in an angle, and the angle is between 0 degree
~45 degree.
Car light of the invention, the illuminating part are located at below the optical axis.
Car light of the invention, the light that the lenticular lenses pass through at least part are penetrated through the upper half of the light-emitting surface
Out.
Car light of the invention, the illuminating part are two polar bodys that shine being made of at least one semiconductor wafer.
Car light of the invention, also includes radiating piece, and the reflecting element, the illuminating part and the matte be set to it is described
On radiating piece.
Car light of the invention, the lenticular lenses can be rotated.
Car light of the invention, the angle is between 30 degree~40 degree.
Car light of the invention, the lenticular lenses have top surface, the top surface can be plane, curved surface one of those.
Car light of the invention, also comprising the lens carrier for being used to support and being pivotally connected the lens, the lenticular lenses are detachable
Ground is hubbed at the lens carrier, and is inverted U shape.
Car light of the invention, there are two the sides for being hubbed at the lens carrier for the lenticular lenses tool.
The beneficial effects of the present invention are: the light passed through by the raster unit filtration fraction reaches reduction light and shade
The effect of astigmatism and dispersion phenomenon near dead line.
Detailed description of the invention
Other features of the invention and effect will be clearly presented in the embodiment referring to schema, in which:
Fig. 1 is a perspective view, illustrates one embodiment of car light of the present invention；
Fig. 2 is the cross-sectional view that a line II-II in Fig. 1 is intercepted；
Fig. 3 is the cross-sectional view that a line III-III in Fig. 1 is intercepted；
Fig. 4 is the cross-sectional view for being similar to Fig. 3, but a top surface of a lenticular lenses is recessed curved surface；
Fig. 5 is the cross-sectional view for being similar to Fig. 3, but the top surface of the lenticular lenses is the curved surface of fovea superior；
Fig. 6 is a light path schematic diagram, illustrates that light is incident to the situation of the first embodiment；
Fig. 7 is the light shape gradient map of a general car light；And
Fig. 8 is the light shape gradient map of the embodiment.
Specific embodiment
Refering to fig. 1, Fig. 2, Fig. 3, one embodiment of car light of the present invention are suitably mounted to a vehicle (not shown),
The car light includes 3, one, a lens reflecting element 6, one illuminating part 7, one of radiating piece 5, one of lens carrier 4, one
Raster unit 8 and a matte 9.
The lens 3 are located at one along the optical axis X that the vehicle (not shown) length direction extends, and including a use
In incidence surface 31, one light-emitting surfaces 32 and a position in contrast to the incidence surface 31 and for light injection for light incidence
Rear focus 33 on the optical axis X.
It is worth noting that in the present embodiment, the lens 3 are a plano-convex lens, in other changes of the present embodiment
Change in aspect, the lens 3 are also possible to the lens that other refractive index are positive, such as: biconvex lens.
The lens carrier 4 is used to support and fixes the lens 3.
The radiating piece 5 connects the lens carrier 4, and for radiating.
The reflecting element 6 is set on the radiating piece 5, and the first focus including one far from the rear focus 33
61 and one it is neighbouring it is described after focus 33 and the second focus 62 passed through for the light of reflected ray.
The relatively described reflecting element 6 of the illuminating part 7 is set on the radiating piece 5, and the first of the neighbouring reflecting element 6 is burnt
Point 61, and emit light towards the reflecting element 6.
It is worth noting that the illuminating part 7 is the light emitting diode being made of at least one semiconductor wafer.
The setting of raster unit 8 is hubbed on the lens including one between the lens 3 and the rear focus 33
On bracket 4 and the lenticular lenses 81 that can be rotated.
Refering to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the lenticular lenses 81 are inverted U shape, and to visible wavelength 400nm~700nm's
Penetrance≤80%, and there is the side that the lens carrier 4 is hubbed at adjacent to the top surface 811 of the optical axis X and two
812.The top surface 811 and optical axis X is in an angle theta, and the angle theta can correspond to different dark space light shape designs, and adjust
Whole position and angle.
It is worth noting that in the present embodiment, the top surface 811 is plane, in other variation aspects of the present embodiment
In, the top surface 811 can also be with as shown in figure 4, be the curved surface of a fovea superior, or as shown in figure 5, is a recessed curved surface.
It is worth noting that in the present embodiment, the angle theta is 32.5 degree, in other variation aspects of the present embodiment
In, the angle theta is 0 degree~45 degree, preferably, the angle theta is 30 degree~40 degree.
The matte 9 adjacent to the reflecting element 6 the second focus 62, and for covering the light from the reflecting element 6
Line, for making the light projected by the lens 3 form "cut-off"line.
Refering to Fig. 3 and Fig. 6, the illuminating part 7 issues multiple light, clear to describe, and light L1, light are only drawn out in figure
Line L2, light L3, light L4, light L5 and light L6 six representative light.
The light L1, the light L2, the light L3 and the light L4 pass through institute after the reflecting element 6 reflection
It states matte 9 to advance towards the incidence surface 31, the light L1 is not through the lenticular lenses 81, so directly entering light described in incidence
Face 31, and projected after the lens 3 refraction by light-emitting surface 32.The light L2, the light L3 and the light L4 then enter
Penetrate the lenticular lenses 81.
At this point, the light L2 and the light L3 represent the light that part is reflected by the lenticular lenses 81, the light
L2 via incidence surface 31 the portions incident positioned at the optical axis X or more, through the lens 3 refraction after, by the light-emitting surface 32
It projects.The light L3 is located at the optical axis X portions incident below by incidence surface 31, after the lens 3 refraction, by institute
State the injection of light-emitting surface 32.
It should be noted that the light L3 ' for indicate in the case of not set raster unit 8, by it is described go out
The light that smooth surface 32 projects, it will be appreciated from fig. 6 that the light L3 and light L3 ' is although be equally anti-through the reflecting element 6
It penetrates, advances towards the matte 9, however, the separate optical axis X of the light L3 and light L3 ', the light L3 ',
The light L3 by the lenticular lenses 81 because reflected, by projecting close to the optical axis X for light-emitting surface 32, relative to described
For light L3 ', caused by dispersion situation it is smaller.
The light L4 represents the light not reflected by the lenticular lenses 81, and the light L4 is reflected through the lenticular lenses 81
Afterwards, it by being projected after the incident lens 3 of the incidence surface 31 by the light-emitting surface 32, for the light L3, causes
Dispersion situation it is larger.
The light L5 then after the reflecting element 6 reflection, advances, and covered by the matte 9 towards the matte 9.
The light L6 advances towards the radiating piece 5 and is reflected by the radiating piece 5, and by the screening after the reflecting element 6 reflection
Piece 9 covers.The light L5 and light L6 is covered by the matte 9, is formed "cut-off"line (refering to Fig. 8).
The light shape gradient map of general car light is as shown in Figure 7, it can be seen that above "cut-off"line or near, light more divides
It dissipates, by the light shape gradient map of Fig. 8 the embodiment of the present invention, then can be clear that, due to the setting of the raster unit 8,
The light for passing through part is reflected by the raster unit 8, is reached and is reduced stray light and dispersion phenomenon near "cut-off"line
Effect.Moreover, it is projected, is caused above "cut-off"line through the upper half of the light-emitting surface 32 due to the light L2
The light shape of dark space so that being easier to see the road sign (not shown) of upper pavement surface in driving, and meets and advises ECE R112 in Europe
In system, the light distribution point in dark space (Zone III) is complied with standard.
It is worth noting that the adjustment of the angle theta, only will affect the light shape of dark space, without will affect "cut-off"line
Neighbouring light shape.
Expansion details can be deduced from the description above due to having usually intellectual in this field, do not added
It is bright.
Via above explanation, the advantages of previous embodiment, can be summarized as follows: by the lenticular lenses 81, reflective portion
The light reflected from the reflecting element 6 reaches and reduces stray light near "cut-off"line and the effect of dispersion phenomenon.More
Further, can be by adjusting the top surface 811 of the lenticular lenses 81 and the angle theta of the optical axis X, the dark space Lai Zengjia
Brightness, make drive in can clearly see road sign.
As described above, only the embodiment of the present invention is when cannot be limited the scope of implementation of the present invention with this, i.e., all
According to simple equivalent changes and modifications made by claims of the present invention and description, all still belong to the scope of the present invention.
Claims (10)
1. a kind of car light is suitably mounted to vehicle, the car light includes:
Lens, positioned at along the optical axis that the vehicle lengthwise direction extends, and including for the incidence surface, opposite for light incidence
In the incidence surface and for the light-emitting surface of light injection, and the rear focus positioned at the optical axis；
Reflecting element, including the first focus far from the rear focus, and the second focus of the neighbouring rear focus, described first is burnt
Point passes through with the light for reflection of second focus two at least within；
Illuminating part, the first focus of the neighbouring reflecting element, and emit light towards the reflecting element；
Matte, the light for projecting the lens form "cut-off"line；
It is characterized by:
Raster unit is located under the optical axis and is located between the rear focus and the lens, and including lenticular lenses, the grating
Piece is used to reflect the light that at least part passes through and with the optical axis in an angle, and the angle is between 0 degree~45 degree.
2. car light according to claim 1, it is characterised in that: the illuminating part is located at below the optical axis.
3. car light according to claim 1, it is characterised in that: the light that the lenticular lenses pass through at least part is through institute
It projects the upper half for stating light-emitting surface.
4. car light according to claim 1, it is characterised in that: the illuminating part is made of at least semiconductor wafer
Light emitting diode.
5. car light according to claim 1, it is characterised in that: the car light also includes radiating piece, and the reflecting element, institute
It states illuminating part and the matte is set on the radiating piece.
6. car light according to claim 1, it is characterised in that: the lenticular lenses can be rotated.
7. car light according to claim 1, it is characterised in that: the angle is between 30 degree~40 degree.
8. car light according to claim 1, it is characterised in that: the lenticular lenses have top surface, and the top surface can be flat
Face, curved surface one of those.
9. car light according to claim 1, it is characterised in that: the car light also includes to be used to support and be pivotally connected the lens
Lens carrier, the lenticular lenses are removably hubbed at the lens carrier, and are inverted U shape.
10. car light according to claim 9, it is characterised in that: there are two be hubbed at the lens branch to the lenticular lenses tool
The side of frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424209.9A CN110454743B (en) | 2018-05-07 | 2018-05-07 | Vehicle lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424209.9A CN110454743B (en) | 2018-05-07 | 2018-05-07 | Vehicle lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454743A true CN110454743A (en) | 2019-11-15 |
| CN110454743B CN110454743B (en) | 2021-04-20 |
Family
ID=68471685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424209.9A Active CN110454743B (en) | 2018-05-07 | 2018-05-07 | Vehicle lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454743B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564854Y (en) * | 2002-08-08 | 2003-08-06 | 崔杰 | Logarithm space unidirection reflecting glare-resistance grating headlamp |
| US20060098163A1 (en) * | 2004-10-25 | 2006-05-11 | Bandhauer Mark H | Ophthalmic lens with multiple phase plates |
| US20060120094A1 (en) * | 2004-12-07 | 2006-06-08 | Koito Manufacturing Co., Ltd. | Vehicular illumination lamp |
| US20090257240A1 (en) * | 2008-02-22 | 2009-10-15 | Teruo Koike | Vehicle lamp |
| EP2397751A2 (en) * | 2010-06-15 | 2011-12-21 | United Radiant Technology Corp. | Illuminating system and thin plate shield illuminating apparatus |
| EP3130840A2 (en) * | 2015-08-10 | 2017-02-15 | Taiwan Network Computer & Electronic Co., Ltd. | Light module with incorporated lens |
| CN206145560U (en) * | 2016-11-07 | 2017-05-03 | 桦薪光电有限公司 | Profection lamp lens device |
| CN106969311A (en) * | 2015-11-20 | 2017-07-21 | Sl株式会社 | Lamps apparatus for vehicle |
| CN206386838U (en) * | 2016-12-06 | 2017-08-08 | 欧司朗有限公司 | Headlight, motorcycle and motor vehicle |
| CN107191860A (en) * | 2017-06-22 | 2017-09-22 | 上海小糸车灯有限公司 | A kind of shadow shield and car headlamp for automobile headlight low beam module |
| CN107559613A (en) * | 2017-09-06 | 2018-01-09 | 广州大泰光电科技有限公司 | A kind of car light for being used to replace H4 bulbs |
| CN208074873U (en) * | 2018-05-07 | 2018-11-09 | 桦薪光电有限公司 | Car light |
-
2018
- 2018-05-07 CN CN201810424209.9A patent/CN110454743B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564854Y (en) * | 2002-08-08 | 2003-08-06 | 崔杰 | Logarithm space unidirection reflecting glare-resistance grating headlamp |
| US20060098163A1 (en) * | 2004-10-25 | 2006-05-11 | Bandhauer Mark H | Ophthalmic lens with multiple phase plates |
| US20060120094A1 (en) * | 2004-12-07 | 2006-06-08 | Koito Manufacturing Co., Ltd. | Vehicular illumination lamp |
| US20090257240A1 (en) * | 2008-02-22 | 2009-10-15 | Teruo Koike | Vehicle lamp |
| EP2397751A2 (en) * | 2010-06-15 | 2011-12-21 | United Radiant Technology Corp. | Illuminating system and thin plate shield illuminating apparatus |
| EP3130840A2 (en) * | 2015-08-10 | 2017-02-15 | Taiwan Network Computer & Electronic Co., Ltd. | Light module with incorporated lens |
| CN106969311A (en) * | 2015-11-20 | 2017-07-21 | Sl株式会社 | Lamps apparatus for vehicle |
| CN206145560U (en) * | 2016-11-07 | 2017-05-03 | 桦薪光电有限公司 | Profection lamp lens device |
| CN206386838U (en) * | 2016-12-06 | 2017-08-08 | 欧司朗有限公司 | Headlight, motorcycle and motor vehicle |
| CN107191860A (en) * | 2017-06-22 | 2017-09-22 | 上海小糸车灯有限公司 | A kind of shadow shield and car headlamp for automobile headlight low beam module |
| CN107559613A (en) * | 2017-09-06 | 2018-01-09 | 广州大泰光电科技有限公司 | A kind of car light for being used to replace H4 bulbs |
| CN208074873U (en) * | 2018-05-07 | 2018-11-09 | 桦薪光电有限公司 | Car light |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110454743B (en) | 2021-04-20 |
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