CN109084270A - A kind of license plate lamp - Google Patents
A kind of license plate lamp Download PDFInfo
- Publication number
- CN109084270A CN109084270A CN201810799889.2A CN201810799889A CN109084270A CN 109084270 A CN109084270 A CN 109084270A CN 201810799889 A CN201810799889 A CN 201810799889A CN 109084270 A CN109084270 A CN 109084270A
- Authority
- CN
- China
- Prior art keywords
- license plate
- light
- lampshade
- patterned surface
- plate lamp
- 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.)
- Pending
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
- 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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/10—Protection of lighting devices
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
-
- 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
- F21W2103/50—Registration plate 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
- 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
-
- 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)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The present invention relates to automotive engineering and lighting technical fields, especially a kind of license plate lamp, including lampshade, LED light source and shell, the lampshade inner surface is equipped with the entering light patterned surface of arc, the height of the entering light patterned surface is 2mm-4mm, the entering light patterned surface is greater than the slope far from LED light source close to the slope of LED light source, and the purpose of the present invention is to provide a kind of optical designs rationally, light distribution can take into account road photograph and the simple license plate lamp handsome in appearance of decorative pattern.
Description
Technical field
The present invention relates to automotive engineering and lighting technical field, specific field is a kind of license plate lamp.
Background technique
Currently, in license plate lamp design field, to meet modeling requirement and realizing light distribution laws and regulations requirement, it is often necessary to optical path
It is designed so that luminous energy obtains an equitable breakdown, when carrying out license plate lamp design, license plate lamp has a reasonable phase with license plate
To position, the design cycle can be greatly shortened, under normal circumstances, a suitable position meets following two points: 1. license plate lamps go out light
Face centre normal direction is by near license plate horizontal centre line position；2. the main light direction of light source and the angle of license plate are unsuitable
It is too big, preferably meet 85 ° hereinafter, sometimes, the angle of the main light direction of light source and license plate is larger, and most of light is not fallen within
In license plate, causes a large amount of luminous energy to waste, need to carry out optical design for this problem at this time, light is biased to target illumination area
Domain promotes the utilization rate of entire optical system.
With the development of the times, when license plate lamp optical design, back-up lamp road photograph must be taken into account, i.e., is made up by license plate lamp
The road of back-up lamp is shone, this needs engineer to take into account both in design, should meet license plate lamp laws and regulations requirement, considers reversing again
Situation is shone on lamp road.
In addition many license plate lamp lampshade pattern structures are more complex currently on the market, more demanding to craft precision, and client
Often complain that the appearance of decorative pattern, for this purpose, design a kind of optical design rationally, light distribution can take into account road and shine and the simple the Beauty of decorative pattern
The license plate lamp of sight is meaningful.
Summary of the invention
The purpose of the present invention is to provide a kind of optical designs rationally, light distribution can take into account road photograph and the simple the Beauty of decorative pattern
The license plate lamp of sight.
To achieve the above object, the invention provides the following technical scheme: a kind of license plate lamp, including lampshade, LED light source and shell
Body, the lampshade inner surface are equipped with the entering light patterned surface of arc, and the height of the entering light patterned surface is 2mm-4mm, it is described into
Light patterned surface is greater than the slope far from LED light source close to the slope of LED light source.
Preferably, the lampshade inner surface is additionally provided with a plurality of strip decorative pattern, and the strip decorative pattern is centered around entering light patterned surface
Surrounding and be covered with entering light face.
Preferably, has dermatoglyph on the strip decorative pattern.
Preferably, there is dermatoglyph on the entering light patterned surface.
Preferably, the lampshade outer surface is light-emitting surface, and the light-emitting surface is a layer plane.
Preferably, the lampshade outer surface is equipped with a stringcourse shape patterned surface, the arch patterned surface and entering light patterned surface
Exist relative to lampshade basal plane and deviates.
Preferably, the arch patterned surface and lampshade outer surface joining place carry out big chamfered.
Compared with prior art, the beneficial effects of the present invention are: license plate lamp provided by the present application, may be implemented uniform polarisation
And take into account road photograph and reach on light-emitting surface, be then passed in license plate after incident light passes through the biggish entering light decorative pattern polarisation of slope,
After incident light passes through the lesser entering light decorative pattern polarisation of slope, light will be gone out from the horizontal outer surface of lampshade, and be conducive to road according to photic-energy transfer；
After adding a stringcourse shape patterned surface on light-emitting surface, secondary polarisation can be carried out to incident light, the diverging of emergent light can be reduced
More light are focused in license plate by angle, increase the effective use of luminous energy；Reasonable in design, decorative pattern is simple and beautiful, to adding
The requirement of work technique is smaller, and spaces compact, road photograph is taken into account while realizing license plate lamp light distributing function, light shape is uniformly without obviously bright dark
Line of demarcation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the index path of embodiment one；
Fig. 3 is the structural schematic diagram of lampshade inner surface in embodiment one；
Fig. 4 is the index path of embodiment two；
Fig. 5 is the structural schematic diagram of lampshade outer surface in embodiment two.
In figure: 1. lampshades, 101. entering light patterned surfaces, 102. strip decorative patterns, 103. light-emitting surfaces, 104. arch patterned surfaces,
2.LED light source, 3. shells.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of license plate lamp, including lampshade 1, LED light source 2 and shell
Body 3, lampshade 1 and shell 3 are clamped, and 1 inner surface of lampshade is equipped with the entering light patterned surface 101 of arc, the height of entering light patterned surface 101
Excessively high to be easy to cause injection molding cissing for 2mm-4mm, entering light patterned surface 101 is greater than close to the slope of LED light source 2 far from LED light source
2 slope, the entering light patterned surface 101 are effective entering light face of entire optical system in license plate lamp, are used for deviation incident light, due to
LED light source 2 is that Lambertian light source will cause a large amount of luminous energy when the angle of the main light direction of LED light source 2 and license plate is larger
Waste, according to Snell's law, the entering light patterned surface 101 is larger by the slope of close to sources, and it is inclined to carry out larger angle to incident light
Carried out while light left and right expand light, be conducive to the light distribution of license plate, decorative pattern slope of the entering light patterned surface 101 far from light source compared with
It is small, left and right is carried out while carrying out smaller angle polarisation to incident light and expands light, is conducive to road according to photic-energy transfer.
Specifically, 1 outer surface of lampshade be light-emitting surface 103, light-emitting surface 103 be a layer plane, for receive incident light and from
The face goes out light.
As shown in Fig. 2, the light that LED light source 2 issues enters entire optical system by 1 inner surface of lampshade, by entering light decorative pattern
Face 101 carries out deviation effect to incident light, and wherein the biggish entering light decorative pattern of slope is by incident light toward license plate direction deviation, slope
The past direction deviation for being conducive to road photograph of incident light is gone out light by 1 outer surface of lampshade by lesser entering light decorative pattern.
Further, it is covered with strip decorative pattern 102 in 1 inner surface of lampshade, strip decorative pattern 102 is centered around entering light patterned surface 101
Surrounding and connect with entering light patterned surface 101, entering light patterned surface 101 and strip decorative pattern 102 collectively form the interior table of entire lampshade 1
Face, strip decorative pattern 102 can enclose some dermatoglyphs for blocking license plate lamp internal structure on strip decorative pattern 102, and dermatoglyph can
To increase shaded effect.
Preferably, there is dermatoglyph on entering light patterned surface 101, beaten for breaing up light, avoid the occurrence of bright line problem, the skin
Line is preferably thin dermatoglyph, though rough bark line is advantageous to uniformity, can reduce the whole efficiency of light energy utilization.
A kind of license plate lamp provided in this embodiment, uniform polarisation may be implemented and take into account road photograph, incident light by slope compared with
It after big entering light decorative pattern polarisation, reaches on light-emitting surface 103, is then passed in license plate, incident light passes through the lesser entering light of slope
After decorative pattern polarisation, light will be gone out from the horizontal outer surface of lampshade 1, and be conducive to road according to photic-energy transfer, a kind of licence plate provided in this embodiment
Lamp, reasonable in design, decorative pattern is simple and beautiful, smaller to processing technology requirement, and spaces compact, realizes license plate lamp light distributing function
While take into account road photograph, light shape is uniformly without obvious bright dark line of demarcation.
Embodiment two
Fig. 4-5 is please referred to, a kind of license plate lamp that the present embodiment provides embodiment one improves, specifically, in lampshade 1
Outer surface is equipped with a stringcourse shape patterned surface 104, the arch patterned surface 104 and entering light patterned surface 101 to be existed with respect to 1 basal plane of lampshade
Offset, as shown in figure 4, incident light after larger 101 deviation of entering light patterned surface of slope will by this arch patterned surface 104 into
The secondary polarisation of row, the arch patterned surface 104 can play focusing light effect, reduce the angle of divergence of emergent light, by more light toward licence plate
It is assembled on plate, the efficiency of light energy utilization of entire optical system is substantially improved.
Further, arch patterned surface 104 and 1 outer surface joining place of lampshade carry out big chamfered, avoid road from breaking forth existing
The problem of bright-dark cut.
The present embodiment has set a stringcourse shape patterned surface 104 in 1 outer surface of lampshade, can carry out secondary polarisation to incident light,
More light are focused in license plate by the angle of divergence that can reduce emergent light, increase the effective use of luminous energy.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of license plate lamp, including lampshade (1), LED light source (2) and shell (3), it is characterised in that: lampshade (1) inner surface
It is equipped with the entering light patterned surface (101) of arc, the height of the entering light patterned surface (101) is 2mm-4mm, the entering light patterned surface
(101) slope close to LED light source (2) is greater than the slope far from LED light source (2).
2. a kind of license plate lamp according to claim 1, it is characterised in that: lampshade (1) inner surface is additionally provided with a plurality of item
Shape decorative pattern (102), the strip decorative pattern (102) are centered around the surrounding of entering light patterned surface (101) and are covered with entering light face.
3. a kind of license plate lamp according to claim 2, it is characterised in that: have dermatoglyph on the strip decorative pattern (102).
4. a kind of license plate lamp according to claim 1, it is characterised in that: have dermatoglyph on the entering light patterned surface (101).
5. a kind of license plate lamp according to claim 1, it is characterised in that: lampshade (1) outer surface is light-emitting surface
(103), the light-emitting surface (103) is a layer plane.
6. a kind of license plate lamp according to claim 5, it is characterised in that: lampshade (1) outer surface is equipped with a stringcourse
Shape patterned surface (104), the arch patterned surface (104), which exists with entering light patterned surface (101) relative to lampshade (1) basal plane, to be deviated.
7. a kind of license plate lamp according to claim 6, it is characterised in that: the arch patterned surface (104) and lampshade (1) are outside
Surface joining place carries out big chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799889.2A CN109084270A (en) | 2018-07-20 | 2018-07-20 | A kind of license plate lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799889.2A CN109084270A (en) | 2018-07-20 | 2018-07-20 | A kind of license plate lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109084270A true CN109084270A (en) | 2018-12-25 |
Family
ID=64838216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810799889.2A Pending CN109084270A (en) | 2018-07-20 | 2018-07-20 | A kind of license plate lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084270A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062346A (en) * | 2009-11-12 | 2011-05-18 | 富准精密工业(深圳)有限公司 | Light-emitting module |
| CN203628488U (en) * | 2013-11-27 | 2014-06-04 | 宁波均胜汽车电子股份有限公司 | Automobile license plate lamp |
| CN204084180U (en) * | 2014-07-24 | 2015-01-07 | 上海小糸车灯有限公司 | A kind of optical occluder component for car headlamp PES unit |
| CN204611593U (en) * | 2015-05-09 | 2015-09-02 | 台州市欧博光电有限公司 | License plate lamp |
| CN105333369A (en) * | 2014-07-24 | 2016-02-17 | 市光法雷奥（佛山）汽车照明***有限公司 | License plate lamp used for motor vehicle and motor vehicle with license plate lamp |
| CN105588061A (en) * | 2016-02-29 | 2016-05-18 | 上海小糸车灯有限公司 | Low-high beam integrated light-emitting diode PES unit of automotive headlamp |
| CN207826092U (en) * | 2017-12-20 | 2018-09-07 | 大陆汽车车身电子***（芜湖）有限公司 | A kind of light guide plate and combination instrument |
-
2018
- 2018-07-20 CN CN201810799889.2A patent/CN109084270A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062346A (en) * | 2009-11-12 | 2011-05-18 | 富准精密工业(深圳)有限公司 | Light-emitting module |
| CN203628488U (en) * | 2013-11-27 | 2014-06-04 | 宁波均胜汽车电子股份有限公司 | Automobile license plate lamp |
| CN204084180U (en) * | 2014-07-24 | 2015-01-07 | 上海小糸车灯有限公司 | A kind of optical occluder component for car headlamp PES unit |
| CN105333369A (en) * | 2014-07-24 | 2016-02-17 | 市光法雷奥（佛山）汽车照明***有限公司 | License plate lamp used for motor vehicle and motor vehicle with license plate lamp |
| CN204611593U (en) * | 2015-05-09 | 2015-09-02 | 台州市欧博光电有限公司 | License plate lamp |
| CN105588061A (en) * | 2016-02-29 | 2016-05-18 | 上海小糸车灯有限公司 | Low-high beam integrated light-emitting diode PES unit of automotive headlamp |
| CN207826092U (en) * | 2017-12-20 | 2018-09-07 | 大陆汽车车身电子***（芜湖）有限公司 | A kind of light guide plate and combination instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181225 |