CN106152017A - The light distributing method of automobile brake lamp - Google Patents
The light distributing method of automobile brake lamp Download PDFInfo
- Publication number
- CN106152017A CN106152017A CN201610675694.8A CN201610675694A CN106152017A CN 106152017 A CN106152017 A CN 106152017A CN 201610675694 A CN201610675694 A CN 201610675694A CN 106152017 A CN106152017 A CN 106152017A
- Authority
- CN
- China
- Prior art keywords
- light
- interior lens
- lens
- brake lamp
- distributing method
- 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.)
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Classifications
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
The invention discloses the light distributing method of a kind of automobile brake lamp, it is characterised in that include LED light source and interior lens, configure discrete material in the base material of described interior lens, the injection light of described LED light source is by penetrating after interior lens.Have employed the light distribution scheme of the present invention, by the discrete material of Novel belt as the auxiliary material of interior lens, the light that can make output obtains scattering the most equably, can effectively weaken, eliminate lighting after in lens surface form bright, dark space, so that uniform illumination is attractive in appearance, internal structure and light source select the most changeable.
Description
Technical field:
The present invention relates to automobile lighting lamp field, more specifically, be related specifically to a kind of for automobile brake lamp
Light distributing method.
Background technology:
The development of China Automobile Industry is to a new stage, along with the universal of automobile and the increase of consumer groups,
The requirement of each bound pair vehicle configuration is more and more harsher, especially on vehicle light shape, and the design structure of the vehicle light shape of all styles of
Conclusive effect is played in impact on light shape, as a example by Brake lamp, due to the construction features of internal mirror, uses the brightest
The light fixture of the interior lens that red material makes can form speck or dark space when lighting.
At present, Ge Jia lamp for automobile manufacturing enterprise to the research and development of each lighting of automobile be in weight among, product is
No excellent, outward appearance is the most attractive in appearance, ensureing illumination, can farthest show that uniform lighting effect is while alarming effect
The Important Problems considered is needed during research and development.
When existing Design of Luminaires, the lens material in Brake lamp is generally the PMMA (polymethyl of transparent redness
Acid methyl ester), this material is 82% to the light percent of pass of red light source, does not the most have dispersion effect.When light passes through shape not
During the interior lens of rule, move towards relatively mixed and disorderly (as shown in Figure 8) through the light after interior lens, easily form speck or dark
District, causes lighting effect uneven.
Brake lamp light-configuration mode under prior art mainly includes following several:
1. bulb+reflecting mirror.The advantage of such car light is bulb advantage of lower cost, cheap, can be full
The needs of the low-grade car of foot, but itself disadvantageously, after lighting bulb outward appearance visible, affect light fixture appearance.
2.LED+ reflecting mirror.Being the most widely used new technique, have an advantage in that and employ LED, its space is tied
Structure is compact, therefore is suitable for the appearance and modeling with various complex characteristic.But it is uniform, the most instead that its shortcoming is that lighting effect presents subregion
Penetrate and between face, there is obvious dark space.
3.LED+ condenser.Structure is the compactest, but lighting effect presents obvious graininess, also deposits between adjacent LED
In obvious dark space.
In addition to above-mentioned three kinds of technology, there is also the scheme of LED+ reflecting mirror+transparent interior lens, this succession at present
The compact conformation advantage of LED+ reflecting mirror, but the increase of transparent interior lens can not be obviously improved lighting effect.
And along with the novelty of light fixture outward appearance, the lighting effect for Brake lamp is paid attention to the most all the more.For large curved surface through face
Brake lamp, use above several ways all cannot meet the lighting effect of continuous uniform.
Summary of the invention:
Present invention aims to deficiency of the prior art, it is provided that the novel scatter-type red material of a kind of employing is made
For the design of lens in Brake lamp, can effectively solve the table caused because the external factor such as modeling structure, light source changes
Face illumination is irregular, the situation of bright dark space occurs.
Technical problem solved by the invention can realize by the following technical solutions: the luminous intensity distribution of a kind of automobile brake lamp
Method, including LED light source and lens, configures discrete material in the base material of interior lens, and the injection light of LED light source is by interior
Penetrate after lens.
In one embodiment, automobile brake lamp also includes reflection part, and the injection light of LED light source passes through the anti-of reflection part
Penetrate after arriving described interior lens after penetrating.
In one embodiment, the base material of interior lens includes PC or PMMA material.
In one embodiment, discrete material includes scattering particles.
In one embodiment, scattering particles includes DF22 and/or DF23 material.
In one embodiment, the illuminating surface of interior lens carries out dermatoglyph process.
In one embodiment, another surface that the illuminating surface of interior lens is relative carries out dermatoglyph process.
In one embodiment, discrete material is white or red scattering particles, and the base material of interior lens is transparent
PMMA material or transparent PC material.
In one embodiment, discrete material is white or red scattering particles, and the base material of interior lens is red
The PC material of PMMA material or redness.
Compared with prior art, beneficial effects of the present invention is as follows:
1. have employed the light distribution scheme of the present invention, i.e. use the scatter-type material of the discrete material of Novel belt as interior luminous intensity distribution
Mirror, can make the light of output obtain the most equably and scatter (as shown in Figure 2), can effectively weaken, eliminate luminous intensity distribution in after lighting
Mirror surface forms bright, dark space, so that uniform illumination is attractive in appearance, internal structure and light source select the most changeable；Also can be big
Big light fixture its internal structure and the selection space of light source when designing of increasing, thus good for more excellent Design of Luminaires offer
Basis.
2. have employed the light distribution scheme of the present invention, this material is to mix on the basis of normal transparent redness PMMA or PC material
Entering scattering particles, compared to normal transparent redness PMMA or PC material light, its percent of pass significantly reduces, and goes out during to script lighting
Existing speck and dark space have the most significantly weakens effect, and has certain dispersion effect, it is possible to change the propagation of light
Path.
3. have employed the light distribution scheme of the present invention, light, by the way of direct projection or reflection, is irradiated to table by plurality of LEDs
Face carries out the interior lens of dermatoglyph process, by the scattering process of dermatoglyph, it is achieved Brake lamp uniformly light effect, the most right
Continuous uniform in large curved surface is lighted form and is provided effective solution.
Accompanying drawing illustrates:
The above and other feature of the present invention, character and advantage by by below in conjunction with the accompanying drawings with the description of embodiment
And become apparent, the most identical reference represents identical feature all the time, wherein:
Fig. 1-Fig. 4 discloses the Brake lamp light distribution scheme schematic diagram of four embodiments of prior art.
Fig. 5 discloses reflective Brake lamp light distribution scheme schematic diagram according to a first embodiment of the present invention.
Fig. 6 discloses reflective Brake lamp light distribution scheme schematic diagram according to a second embodiment of the present invention.
Fig. 7 discloses direct-injection type Brake lamp light distribution scheme schematic diagram according to a third embodiment of the present invention.
Fig. 8 discloses the opticpath schematic diagram of common lens in prior art.
Fig. 9 discloses the opticpath schematic diagram of the interior lens in the present invention.
Detailed description of the invention:
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with
Detailed description of the invention, is expanded on further the present invention.
The Brake lamp light distribution scheme schematic diagram of prior art first embodiment is disclosed with reference to Fig. 1, Fig. 1.Common bulb 1 point
After lamp, a part of light of common bulb 1 injection transmits from lens after arriving lens by the reflection of reflecting mirror 2
Going, wherein reflecting mirror 2 is two pieces and is arranged on the both sides of common bulb 1 outward-dipping, and reflecting mirror 2 and lens 3 form one
Delta Region.In prior art, the configuration of first embodiment is simple, cheap, but after lighting, bulb outward appearance is visible, reflecting mirror
Depth needs the deepest.
The Brake lamp light distribution scheme schematic diagram in the second embodiment of prior art is disclosed with reference to Fig. 2, Fig. 2.In Fig. 2
Light source is LED 11, and its LED 11 is located at the seam of two pieces of reflecting mirrors 12, and after LED lighting, the light of LED injection passes through
After arriving lens 13 after the reflection of two pieces of reflecting mirrors, transmission is gone out.In prior art, the moulding required size of the second embodiment is relatively
Little, lighting respond well (independent reflecting surface is uniform, and reflecting surface junction exists dark space), but design cost is higher.
The Brake lamp light distribution scheme schematic diagram in the 3rd embodiment of prior art is disclosed with reference to Fig. 3, Fig. 3.LED can
Thinking 1 group, it is also possible to for many groups, in the 3rd embodiment of the prior art of Fig. 3, LED 21 is 4 groups, is often organizing LED 21
Direction of illumination be provided with a condenser 22, its condenser 22 is provided with arc convex, arc convex be located at LED just before
Side, and one_to_one corresponding.Arc convex plays optically focused effect, and condenser 22 is located on lens 23, and LED 21 is by condenser 22
Optically focused after transmit from lens 32.In prior art, the moulding required size of the 3rd embodiment is little, and depth is shallow, and cost is fitted
In, but lighting effect is obvious graininess, there is also obvious dark space between adjacent LED.
The Brake lamp light distribution scheme schematic diagram of the 4th embodiment of prior art is disclosed with reference to Fig. 4, Fig. 4.In Fig. 4
LED 31 is located at the seam of two pieces of reflecting mirrors 32, and after LED 31 lighting, the light of LED 31 injection is by two pieces of reflecting mirrors 32
Reflection after arrive transparent interior lens 33 after transmission go out.In prior art, the moulding required size in the 4th embodiment is relatively
Little, compact conformation, but the increase of transparent interior lens 31 can not be obviously improved lighting effect, and cost is high.
Four embodiments of the prior art that above-mentioned Fig. 1-Fig. 4 enumerates can not realize the lighting effect of continuous uniform.
Reflective Brake lamp light distribution scheme schematic diagram according to a first embodiment of the present invention is disclosed with reference to Fig. 5, Fig. 5.Fig. 5
Light distribution scheme be to realize by using by the way of LED+reflecting mirror+discrete material lens, Brake lamp can be obtained even
Continuous uniform lighting effect.In Figure 5, LED 41 can be arranged in above wiring board 42, the light reflection by reflecting mirror 43
And through producing diffusion after the interior lens 44 of band dispersed material, transmit finally by outer lens 45, it is achieved that
The effect of uniformly light-emitting.The base material of interior lens 44 can be PMMA (polymethyl methacrylate) or PC (poly-carbonic acid
Ester) material, dispersed material can be DF22 or DF23.If it is understood that dispersed material is configured at interior lens 45
Base material in, base material and dispersed material can be multiple combination configurations, the configuration of such as PMMA+DF22, the joining of PMMA+DF23
Put, PC+DF22 configuration or the configuration etc. of PC+DF23.
Reflective Brake lamp light distribution scheme schematic diagram according to a second embodiment of the present invention is disclosed with reference to Fig. 6, Fig. 6.Fig. 6
In LED 51 be located at the interface of reflecting mirror 52 and interior lens 53 here, reflecting mirror 52 be by letter a～h be 8 the most anti-
The face of penetrating combines, on the interior lens 53 of the band dispersed material that the light of total reflection is radiated at large curved surface, and at large curved surface
Interior lens 53 surface presents the lighting effect of continuous uniform, and last light is transmitted by outer lens 54.Interior join
The base material of light microscopic can be PMMA or PC material, and dispersed material can be DF22 or/and DF23.Join in it is understood that
The base material of light microscopic and dispersed material can be multiple combination configurations, the configuration of such as PMMA+DF22, the configuration of PMMA+DF23, PC
The configuration of+DF22 or the configuration etc. of PC+DF23.
Direct-injection type Brake lamp light distribution scheme schematic diagram according to a third embodiment of the present invention is disclosed with reference to Fig. 7, Fig. 7.Can
To be the combination of one or more groups LED, being that 4 groups of LED 61 are combined into direct projection array of source in the present embodiment, direct projection light leads to
Lens 62 in crossing, configures dispersed material in interior lens 62, or is provided with at dermatoglyph on the irradiation surface of interior lens 62
Reason layer, so makes interior lens 62 produce diffusion, defines the lighting effect of continuous insulation.According to lens large curved surface
The feature of moulding, the layout of many group LED can be uniformly distributed according to the size of curved surface, and wherein the material of interior lens can
Being to comprise dispersed material DF23, DF22 etc., or process layer at the Surface Machining dermatoglyph of interior lens.Or interior lens
Interior configuration dispersed material and the compound mode of the interior lens with surface dermatoglyph process layer.
The opticpath schematic diagram of common lens in prior art is disclosed with reference to Fig. 8, Fig. 8.In fig. 8, light leads to
Cross the output of light after common lens 71 uneven, form certain dark space and clear zone, it is impossible to produce uniform lighting
Effect.
The opticpath schematic diagram of the lens in the present invention is disclosed with reference to Fig. 9, Fig. 9.
Can be by the configuration of dispersed material in interior lens base material in the interior lens 81 of the present invention, it is also possible to be
The first surface 82 of interior lens processes layer (not marking in Fig. 9) with dermatoglyph, it is also possible at the second surface 83 of interior lens
Process layer (not marking in Fig. 9) with dermatoglyph, it is also possible to the first surface 82 of interior lens and second surface 83 all with
Dermatoglyph processes layer, or processes layer by the configuration of dispersed material in interior lens base material and the surface of interior lens with dermatoglyph
Between independent assortment form form the light distribution scheme of automobile brake lamp of the present invention, join in described in Fig. 9 of the present invention
The light output formed after light microscopic uniformly, creates uniform lighting effect.
Embodiment one:
Realize by the way of lens by using in LED+ reflecting mirror+dispersed material with reference to Fig. 5: this light distribution scheme,
Arrive the lighting effect of Brake lamp continuous uniform.LED can be arranged in above wiring board, and light is by the total reflection of reflecting mirror also
Through producing diffusion after the interior lens of band dispersed material, it is achieved that the effect of uniformly light-emitting.The base of interior lens
Material can be PMMA or PC material, and dispersed material can be DF22 or DF23.If it is understood that dispersed material
Be configured in the base material of interior lens can be multiple combination configuration, the configuration of such as PMMA+DF22, the configuration of PMMA+DF23,
The configuration of PC+DF22 or the configuration etc. of PC+DF23.It addition, the base material of interior lens in the present embodiment is transparent red
The PMMA of color, thickness is 3mm, is followed by mixed with the scattering of white or redness on the PMMA material foundation that normal transparent is red
Particle DF22 or DF23 so that it is the light percent of pass to red light source is 16.88%, the lower half-value angle of 3mm thickness be 20.7 degree (under
Half-value angle has reacted the dispersion effect of material, and the biggest dispersion effect of its numerical value is the best), compared to normal transparent redness PMMA base
Material, the percent of pass of light significantly reduces, and has the speck occurred during script lighting and dark space and significantly weakens effect, and has
There is certain dispersion effect, it is possible to change the propagation path of light.
Embodiment two:
With reference to Fig. 6, the light-configuration mode in Fig. 6 is reflective, by such as the 8 of a～h independent reflectings surface combine anti-
Penetrate mirror, on the interior lens of the band dispersed material that the light of total reflection is radiated at large curved surface, and at the interior lens table of large curved surface
Face presents the lighting effect of continuous uniform.The base material of interior lens is PMMA or PC material, and dispersed material can be
DF22 or DF23.If it is understood that it can be multiple combination that dispersed material is configured in the base material of interior lens
Configuration, the configuration of such as PMMA+DF22, the configuration of PMMA+DF23, the configuration of PC+DF22 or the configuration etc. of PC+DF23.
It is understood that as other deformation program, single dermatoglyph process, or band can be carried out on the surface of lens
The assembled scheme that the interior lens of discrete material and interior lens surface dermatoglyph process.
Embodiment three:
With reference to Fig. 7, the light-configuration mode in Fig. 7 is direct-injection type, the most not reflecting mirror, many group LED groups
Synthesis direct projection array of source, the diffusion of the interior lens that direct projection light is processed by discrete material or dermatoglyph, the company of defining
The lighting effect of continuous insulation.According to the feature of large curved surface moulding, the layout of plurality of LEDs can be carried out uniformly according to the size of curved surface
Distribution.
Compared with prior art, beneficial effects of the present invention is as follows:
1. have employed the light distribution scheme of the present invention, i.e. use the scatter-type material of the discrete material of Novel belt as interior luminous intensity distribution
Mirror, can make the light of output obtain the most equably and scatter (as shown in Figure 2), can effectively weaken, eliminate luminous intensity distribution in after lighting
Mirror surface forms bright, dark space, so that uniform illumination is attractive in appearance, internal structure and light source select the most changeable；Also can be big
Big light fixture its internal structure and the selection space of light source when designing of increasing, thus good for more excellent Design of Luminaires offer
Basis.
2. have employed the light distribution scheme of the present invention, this material is to mix to dissipate on the basis of normal transparent redness PMMA material
Radion, compared to normal transparent redness PMMA material light, its percent of pass significantly reduces, to the speck occurred during script lighting
Have with dark space and the most significantly weaken effect, and there is certain dispersion effect, it is possible to change the propagation path of light.
3. have employed the light distribution scheme of the present invention, light, by the way of direct projection or reflection, is irradiated to table by plurality of LEDs
Face carries out the interior lens of dermatoglyph process, by the scattering process of dermatoglyph, it is achieved Brake lamp uniformly light effect, the most right
Continuous uniform in large curved surface is lighted form and is provided effective solution.
Above-described embodiment is available to be familiar with person in the art and realizes or use the present invention, is familiar with this area
Above-described embodiment can be made various modifications or change by personnel without departing from the present invention in the case of the inventive idea, thus this
The protection domain of invention is not limited by above-described embodiment, and should be to meet inventive features that claims mention
On a large scale.
Claims (9)
1. the light distributing method of an automobile brake lamp, it is characterised in that include LED light source and interior lens, at described interior luminous intensity distribution
Configuring discrete material in the base material of mirror, the injection light of described LED light source is by penetrating after described lens.
Light distributing method the most according to claim 1, it is characterised in that described automobile brake lamp also includes reflection part, institute
State the injection light of LED light source by penetrating after arriving described interior lens after the reflection of reflection part.
Light distributing method the most according to claim 1, it is characterised in that the base material of described interior lens includes PC or PMMA material
Material.
4. according to described light distributing method arbitrary in claim 1 or 3, it is characterised in that described discrete material includes scattering grain
Son.
Light distributing method the most according to claim 4, it is characterised in that described scattering particles includes DF22 and/or DF23 material
Material.
6. according to described light-configuration mode arbitrary in claim 1 or 3, it is characterised in that the illuminating surface of described interior lens
Carry out dermatoglyph process.
Light-configuration mode the most according to claim 6, it is characterised in that relative another of the illuminating surface of described interior lens
Surface carries out dermatoglyph process.
Light-configuration mode the most according to claim 1, it is characterised in that described discrete material is white or red scattering grain
Son, the base material of described interior lens is transparent PMMA material or transparent PC material.
Light-configuration mode the most according to claim 1, it is characterised in that described discrete material is white or red scattering grain
Son, the base material of described interior lens is red PMMA material or the PC material of redness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675694.8A CN106152017A (en) | 2016-08-16 | 2016-08-16 | The light distributing method of automobile brake lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675694.8A CN106152017A (en) | 2016-08-16 | 2016-08-16 | The light distributing method of automobile brake lamp |
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| Publication Number | Publication Date |
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| CN106152017A true CN106152017A (en) | 2016-11-23 |
Family
ID=57330349
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| CN201610675694.8A Pending CN106152017A (en) | 2016-08-16 | 2016-08-16 | The light distributing method of automobile brake lamp |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099384A (en) * | 2018-09-27 | 2018-12-28 | 华域视觉科技(上海)有限公司 | A kind of novel PES light type design structure of car light and method |
| CN109539159A (en) * | 2019-01-03 | 2019-03-29 | 华域视觉科技(上海)有限公司 | A kind of optics module and car light |
| CN111219677A (en) * | 2018-11-23 | 2020-06-02 | 华域视觉科技(上海)有限公司 | Color matching automobile far and near light lamp |
| CN111999887A (en) * | 2020-09-07 | 2020-11-27 | 马瑞利汽车零部件(芜湖)有限公司 | Design method of thick-wall optical system comprising diffusion holes for eliminating dark areas at chamfer |
| CN112146057A (en) * | 2019-06-26 | 2020-12-29 | 株式会社小糸制作所 | Vehicle lamp |
| EP3838564A1 (en) * | 2019-12-19 | 2021-06-23 | Stanley Electric Co., Ltd. | Vehicle lighting fixture |
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| CN103742850A (en) * | 2013-12-30 | 2014-04-23 | 上海小糸车灯有限公司 | Low-depth uniform glowing light-emitting diode (LED) optical system |
| CN204879824U (en) * | 2015-07-06 | 2015-12-16 | 上海小糸车灯有限公司 | Automobile -used sheen signal lamps and lanterns module |
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| CN1452729A (en) * | 2000-04-26 | 2003-10-29 | 3M创新有限公司 | Rear projection screen with reduced speckle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099384A (en) * | 2018-09-27 | 2018-12-28 | 华域视觉科技(上海)有限公司 | A kind of novel PES light type design structure of car light and method |
| CN109099384B (en) * | 2018-09-27 | 2024-02-06 | 华域视觉科技(上海)有限公司 | Novel PES (polyether sulfone) light type design structure and method for car lamp |
| CN111219677A (en) * | 2018-11-23 | 2020-06-02 | 华域视觉科技(上海)有限公司 | Color matching automobile far and near light lamp |
| CN109539159A (en) * | 2019-01-03 | 2019-03-29 | 华域视觉科技(上海)有限公司 | A kind of optics module and car light |
| CN109539159B (en) * | 2019-01-03 | 2024-01-26 | 华域视觉科技(上海)有限公司 | Optical module and car light |
| CN112146057A (en) * | 2019-06-26 | 2020-12-29 | 株式会社小糸制作所 | Vehicle lamp |
| EP3838564A1 (en) * | 2019-12-19 | 2021-06-23 | Stanley Electric Co., Ltd. | Vehicle lighting fixture |
| CN111999887A (en) * | 2020-09-07 | 2020-11-27 | 马瑞利汽车零部件(芜湖)有限公司 | Design method of thick-wall optical system comprising diffusion holes for eliminating dark areas at chamfer |
| CN111999887B (en) * | 2020-09-07 | 2022-04-08 | 马瑞利汽车零部件(芜湖)有限公司 | Design method of thick-wall optical system comprising diffusion holes for eliminating dark areas at chamfer |
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| CB02 | Change of applicant information |
Address after: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Applicant after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Applicant before: Xiaoxi Car Lights Co., Ltd., Shanghai |
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Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |