CN106468415B - Car light with comparison of light and shade light shape - Google Patents
Car light with comparison of light and shade light shape Download PDFInfo
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- CN106468415B CN106468415B CN201510513039.8A CN201510513039A CN106468415B CN 106468415 B CN106468415 B CN 106468415B CN 201510513039 A CN201510513039 A CN 201510513039A CN 106468415 B CN106468415 B CN 106468415B
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Abstract
The present invention is a kind of car light with comparison of light and shade light shape, has the incidence surface and a light out part positioned at both ends including a light pipe, bottom surface side of the light pipe before light out part is equipped with a refractive power slot, which has a long inclined-plane and a short inclined-plane；One projection lens has the incidence surface and an arcuation light-emitting surface of the light out part of the opposite light pipe；And one illuminator opposite light pipe incidence surface project primary light source, the light pipe leader light projects the illumination light shape with "cut-off"line to projection lens, and the long inclined-plane of the refractive power slot guides regional area overlapping irradiation of another part light towards illumination light shape；Accordingly, in the case where not losing existing light ray energy situation, and the left and right clear zone comparison of light and shade margi n pulls big of the shape of projection light can be made, to meet tightened up laws and regulations requirement, and the increase of the complexity and weight of the assembling parts of car light is avoided, the multiple progressive for having both structure lightened effect is reached.
Description
Technical field
The present invention relates to the technical field of car light more particularly to it is a kind of using photoconductive tube be equipped with one recess micro-structure,
Reach the car light innovation improvement that the light shape cast out has larger light and shade contrast.
Background technique
Recently, it is designed to improve traffic safety for the illumination light shape of automobile lamp, requires pair for improving illumination gradually
Degree of ratio；Luminous point generally can be gathered to side with the design of reflecting surface, therefore can be overcome, but utilize the skill of light pipe light guide
Art will be relatively uniform, and is not easy to achieve the effect that light shape or so is different bright, it is more difficult to meet laws and regulations requirement, even car light factory
Interior rule.
If TaiWan, China announces I 338637 " car light " new patent, structure is as described in its abstract: should
Car light is utilized respectively a luminescence component as primary light source, a leaded light component to calculate a dispersion angle of the primary light source and be somebody's turn to do
The light-emitting area of dispersion angle and a lens subassembly promote the light extraction efficiency of the luminescence component, to generate have it is predetermined
The light source of light shape and bloom extraction efficiency, then component is projected through one to promote the light shape contrast of the light source, obtain the car light
To project the "cut-off"line of a high contrast degree.In addition, because a light-emitting surface of the luminescence component may be designed as with one in advance
If shape, therefore a section can be projected without the use of other optical modules and be the light beam of preset shape, and then effectively promoted
The light utilization ratio of the car light.
It is painted however, being illustrated in figure 5 according to the luminescence component and leaded light component of aforementioned I 33863 No. 7 " car light "
The incidence surface of opticpath schematic diagram, i.e. the citation case leaded light component is connected to the light-emitting surface of the luminescence component, which connects
It is still average outside projection after the guiding of light harvesting and systematicness after receiving the primary light source, although leaded light component is borrowed to be promoted
The utilization efficiency of light, but there is no therefore make to change its light shape and light and shade contrast.
It is illustrated in figure 6 the light of the cast out illumination light shape a in existing leaded light component leaded light path and horizontal dimensions
The schematic diagram of strength distribution curve b, although the illumination light shape a of Fig. 6 is visually still difficult to see what difference is left and right light and shade have,
The curve distribution mitigated is presented by the light intensity distribution curve b of the horizontal dimensions in figure, shows that the left and right of its illumination light shape a is bright
Dark contrast differences are away from laws and regulations requirement that is smaller, and can not meeting stringenter.
Although still cooperating the anti-dazzling screen of a piece of specific shape in the design of car light, the light for issuing the luminescence component
Line is blocked through the anti-dazzling screen, and only a part of light goes out a section from the projection lens parallel projection and meets regulation shape
Light beam.But so, because of the factor of the anti-dazzling screen, it will reduce whole light utilization ratio, be for existing car light knot
One of the shortcomings that structure.
Furthermore the complexity that the anti-dazzling screen added on car light existing structure further causes structure and group to load onto,
And increase weight, it is the two of its disadvantage.
So how to cause light ray energy to lose using shading chip architecture for existing Vehicle lamp structure and reduce light using effect
Rate, and the increase of the complexity and weight of structure is further resulted in, though and it is difficult to modulate using conduit raising light utilization efficiency
The disadvantages of Energy distribution and carry out innovation improvement, be the present invention be intended to row solution difficulty place.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes drawbacks described above of the existing technology, and provides one
Kind has the car light of comparison of light and shade light shape, the left and right clear zone of the shape of projection light can be made bright again in the case where not losing existing light ray energy situation
Dark comparison margi n pulls big has preferable progressive and reaches to meet tightened up laws and regulations requirement；, folding is provided through light guide surface
The micro-structure penetrated avoids the increase of the complexity and weight of the assembling parts of car light, has both structure lightened effect and reach.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of car light with comparison of light and shade light shape, comprising:
One light pipe has an incidence surface and a light out part positioned at both ends, bottom surface of the light pipe before light out part
Side is equipped with a refractive power slot, which has a long inclined-plane and a short inclined-plane, which is located at the side of neighbouring incidence surface.
One projection lens has an incidence surface and an arcuation light-emitting surface, light out part of the incidence surface with respect to the light pipe.
And an illuminator, primary light source is projected in the incidence surface of opposite light pipe, the light pipe leader light is extremely
Projection lens is to project the illumination light shape with "cut-off"line, and the long inclined-plane of the refractive power slot guides another part light court
It is overlapped and irradiates to the regional area of illumination light shape, the left and right brightness of illumination light shape is at comparison of light and shade.
The light pipe includes a light guide section and is connected the light out part, and the opposite end of light guide section linking light out part enters for this
Smooth surface, the side of the light guide section have light guiding surface on one, once light guiding surface and are connected two sides of light guiding surface on this, lower light guiding surface
Light guiding surface, and the refractive power slot position is in the side of lower light guiding surface, which sets a guide-lighting raised line in refractive power slot side, and is rolling over
A guide-lighting inclined-plane is set between the other side and side light guiding surface of light slot.
The distance between refractive power slot and light out part of the illuminator are greater than 0.5mm, and the depth of the refractive power slot is less than light guide section
2/3rds of thickness, and the long chamfer length of the refractive power slot is greater than short inclined-plane.
The light out part is hemispherical dome structure, and has a spherical light-emitting surface.
The projection lens is equipped with two guide grooves in incidence surface.
The invention has the advantages that the left and right clear zone of the shape of projection light can be made again in the case where not losing existing light ray energy situation
Comparison of light and shade margi n pulls big has preferable progressive and reaches to meet tightened up laws and regulations requirement；, provided through light guide surface
The micro-structure of refraction avoids the increase of the complexity and weight of the assembling parts of car light, has both structure lightened effect and reach.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is stereogram exploded view of the invention.
Fig. 2 is the diagrammatic cross-section of light pipe of the present invention.
Fig. 3 is light pipe leaded light of the present invention path schematic diagram.
Fig. 4 is the cast out illumination light shape A in light pipe leaded light of the present invention path and the light intensity of horizontal dimensions point
The schematic diagram of cloth curve B.
Fig. 5 is to show according to the luminescence component of aforementioned I 33863 No. 7 " car light " with the opticpath that leaded light component is painted
It is intended to.
Fig. 6 is cast out the light intensity point of illumination light shape a and horizontal dimensions by existing leaded light component leaded light path
The schematic diagram of cloth curve b.
Figure label explanation:
The light intensity distribution curve of a illumination light shape b horizontal dimensions
1 light pipe, 11 incidence surface
The spherical light-emitting surface of 12 light out part 121
The long inclined-plane of 13 refractive power slot 131
132 short 14 light guide sections of inclined-plane
The lower light guiding surface of light guiding surface 142 on 141
The guide-lighting raised line of 143 side light guiding surface 144
145 2 illuminators of guide-lighting inclined-plane
3 projection lens, 31 incidence surface
32 arcuation light-emitting surface, 33 guide grooves
A illumination light shape A1 "cut-off"line
The light intensity distribution curve of A2 tilting section B horizontal dimensions
The thickness of the distance between C refractive power slot and light out part D light pipe
Specific embodiment
Please refer to the diagrammatic cross-section that Fig. 1, Fig. 2 show stereogram exploded view and light pipe of the present invention of the invention；This hair
A kind of bright car light with comparison of light and shade light shape, comprising:
One light pipe 1 has an incidence surface 11 and a light out part 12 positioned at both ends, and the light pipe 1 is in light out part 12
Preceding bottom surface side is equipped with a refractive power slot 13, which has a long inclined-plane 131 and a short inclined-plane 132, the long inclined-plane 131
Positioned at the side of neighbouring incidence surface 11.
One projection lens 3 has an incidence surface 31 and an arcuation light-emitting surface 32, and the incidence surface 31 is with respect to the light pipe 1
Light out part 12.
And an illuminator 2, primary light source is projected in the incidence surface 11 of opposite light pipe 1, and guide light through light pipe 1
To projection lens 3 to project the illumination light shape A with "cut-off"line, Fig. 4 is seen, and the long inclined-plane 131 of the refractive power slot 13 is led
Draw regional area overlapping irradiation of another part light towards illumination light shape, the left and right brightness of illumination light shape is at comparison of light and shade.
In above-mentioned Fig. 1, the present invention projection lens 3 is equipped with two guide grooves 33, two guide grooves in incidence surface 31
33 make illumination light shape A, see the "cut-off"line A 1 of Fig. 4, see that Fig. 4 is more smooth.In addition, the light pipe 1 includes a light guide section 14 and holds in the mouth
The light out part 12 is connect, and the opposite end of the light guide section 14 linking light out part 12 is aforementioned incidence surface 11, the side of the light guide section 14
With light guiding surface 141 on one, once light guiding surface 142 and it is connected two side light guiding surfaces of light guiding surface 141 on this, lower light guiding surface 142
143, and the refractive power slot 13 is located at the side of lower light guiding surface 142, which sets a guide-lighting raised line in 13 side of refractive power slot
144, and a guide-lighting inclined-plane 145 is set between the other side of refractive power slot 13 and side light guiding surface 143, which makes to shine
The "cut-off"line A 1 of Mingguang City shape A is more smooth, and guide-lighting raised line 144 makes "cut-off"line A 1 have tilting section A 2, sees Fig. 4.
And as shown in Fig. 2, the distance between the refractive power slot 13 of the illuminator 2 and light out part 12 C are greater than 0.5mm；In addition, the refractive power slot 13
Depth is less than 2/3rds of the thickness D of light guide section 14；And 131 length of long inclined-plane of the refractive power slot 13 is greater than short inclined-plane 132,
Such light just will not be leaked out directly by refractive power slot 13 and cause the loss of luminous energy or cause veiling glare.Also, the light out part 12 is hemispherical
Structure, and there is a spherical light-emitting surface 121.
Fig. 3 is light pipe leaded light of the present invention path schematic diagram, i.e., the incidence surface 11 of light pipe 1 of the present invention imports illuminator 2
The primary light source projected, the 1 leader light of light pipe to light out part 12 are re-directed after the projection lens 3 and are projected
The one illumination light shape A (as shown in Figure 4) with "cut-off"line A 1.It is recessed by means of the projection lens 3 two leaded lights set by incidence surface 31
The guiding on the guide-lighting inclined-plane 145 of the collocation of slot 33 light guide section 14, can make the "cut-off"line A 1 of illumination light shape A more smooth；And it borrows
Guide-lighting raised line 144 makes changes in pitch of the "cut-off"line A 1 with tilting section A 2, to meet regulation demand (15 degree or 45 degree).
Moreover, the regional area that the long inclined-plane 131 of the present invention refractive power slot 13 guides another part light towards illumination light shape A is overlapped and shines
It penetrates, the left and right brightness of illumination light shape A is made to form larger comparison of light and shade；I.e. structure of the invention can not lose existing light ray energy feelings
Under shape, and the left and right clear zone comparison of light and shade margi n pulls big of the shape of projection light can be made, to meet tightened up laws and regulations requirement, tool preferably into
Step property is reached.
As Fig. 4 casts out for light pipe leaded light of the present invention path the light intensity of illumination light shape A and horizontal dimensions
The schematic diagram of distribution curve B, illumination light shape A shown in figure can visually find out the difference of left and right light and shade, and can
More precipitous curve distribution is presented in the light intensity distribution curve B of the horizontal dimensions as shown by downside, and shows its illumination light
The left and right comparison of light and shade gap of shape A is larger.
Some light to the light out part 12 of the invention for guiding primary light source through light pipe 1 projects an illumination as described above
Light shape A；Again by means of the micro-structure on the long inclined-plane 131 of the refractive power slot 13 set by the side of bottom surface of light pipe 1, another part light is guided
It is overlapped irradiation towards the regional area of illumination light shape A, in the case where not losing existing light ray energy situation, and makes a left side of illumination light shape A
Right brightness forms larger comparison of light and shade, causes the assembling parts of car light to answer to meet tightened up laws and regulations requirement, and be avoided that
The miscellaneous increase with weight, has both the multiple progressive that structure lightened effect is reached and reaches.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all
It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within
In the range of technical solution of the present invention.
Claims (5)
1. a kind of car light with comparison of light and shade light shape characterized by comprising
One light pipe has an incidence surface and a light out part positioned at both ends, bottom surface and court of the light pipe before light out part
Under side be equipped with a refractive power slot, which has a long inclined-plane and a short inclined-plane, which is located at adjacent to incidence surface
Side；
One projection lens has an incidence surface and an arcuation light-emitting surface, light out part of the incidence surface with respect to the light pipe；
And an illuminator, primary light source is projected in the incidence surface of opposite light pipe, and the light pipe leader light is to projecting
Lens are to project the illumination light shape with "cut-off"line, and the long inclined-plane of the refractive power slot guides another part light towards photograph
The regional area of Mingguang City's shape is overlapped irradiation, and the left and right brightness of illumination light shape is at comparison of light and shade.
2. the car light according to claim 1 with comparison of light and shade light shape, which is characterized in that the light pipe is led including one
Light portion is simultaneously connected the light out part, and the opposite end of light guide section linking light out part is the incidence surface, and the side of the light guide section has
Light guiding surface on one, once light guiding surface and two side light guiding surfaces for being connected light guiding surface on this, lower light guiding surface, and the refractive power slot position in
The side of lower light guiding surface, which sets a guide-lighting raised line in refractive power slot side, and leads in the other side of refractive power slot with side
A guide-lighting inclined-plane is set between smooth surface.
3. the car light according to claim 2 with comparison of light and shade light shape, which is characterized in that the refractive power slot of the illuminator
The distance between light out part is greater than 0.5mm, and the depth of the refractive power slot is less than 2/3rds of light guide section thickness, and the refractive power slot
Long chamfer length be greater than short inclined-plane.
4. the car light according to claim 1 with comparison of light and shade light shape, which is characterized in that the light out part is hemispherical
Structure, and there is a spherical light-emitting surface.
5. the car light according to any one of claim 1 to 4 with comparison of light and shade light shape, which is characterized in that the throwing
Lens are penetrated to set in incidence surface there are two guide grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510513039.8A CN106468415B (en) | 2015-08-20 | 2015-08-20 | Car light with comparison of light and shade light shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510513039.8A CN106468415B (en) | 2015-08-20 | 2015-08-20 | Car light with comparison of light and shade light shape |
Publications (2)
| Publication Number | Publication Date |
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| CN106468415A CN106468415A (en) | 2017-03-01 |
| CN106468415B true CN106468415B (en) | 2019-01-29 |
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| CN201510513039.8A Active CN106468415B (en) | 2015-08-20 | 2015-08-20 | Car light with comparison of light and shade light shape |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191860B (en) * | 2017-06-22 | 2023-11-10 | 华域视觉科技(上海)有限公司 | A light screen and car head-light for passing light module of car head-light |
| CN107588394B (en) * | 2017-09-21 | 2019-10-01 | 华域视觉科技(上海)有限公司 | It is able to achieve the lens and its design method of III area's luminous intensity distribution performance of headlamp |
| CN107830449A (en) * | 2017-10-31 | 2018-03-23 | 上海小糸车灯有限公司 | Photocon structure for vehicle lamp |
| CN114076285B (en) * | 2020-08-13 | 2024-02-02 | 株洲湘火炬汽车灯具有限责任公司 | Light emitting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761849A (en) * | 2008-12-23 | 2010-06-30 | 中央大学 | Car lamp |
| CN103900006A (en) * | 2012-12-28 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Led vehicle lamp |
| CN205014221U (en) * | 2015-08-20 | 2016-02-03 | 捷光照明科技股份有限公司 | Car light with light and shade contrast light shape |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482477A (en) * | 2010-05-17 | 2015-04-01 | 夏普株式会社 | Illuminant and light-emitting device |
-
2015
- 2015-08-20 CN CN201510513039.8A patent/CN106468415B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761849A (en) * | 2008-12-23 | 2010-06-30 | 中央大学 | Car lamp |
| CN103900006A (en) * | 2012-12-28 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Led vehicle lamp |
| CN205014221U (en) * | 2015-08-20 | 2016-02-03 | 捷光照明科技股份有限公司 | Car light with light and shade contrast light shape |
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| CN106468415A (en) | 2017-03-01 |
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