CN110285387A - A kind of vehicle signal lamp optical system - Google Patents
A kind of vehicle signal lamp optical system Download PDFInfo
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- CN110285387A CN110285387A CN201910623558.8A CN201910623558A CN110285387A CN 110285387 A CN110285387 A CN 110285387A CN 201910623558 A CN201910623558 A CN 201910623558A CN 110285387 A CN110285387 A CN 110285387A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 80
- 238000005266 casting Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 230000001795 light effect Effects 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 230000003252 repetitive effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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- 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
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
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- 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
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
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- 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
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
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- 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
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- 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
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- 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]
Abstract
The present invention provides a kind of vehicle signal lamp optical system, it successively include: LED light source, heavy wall guide structure, the low-angle plane of light incidence increases dermatoglyph, make to light effect more uniform, each sub-unit in the heavy wall guide structure includes that parabola draws high face one, with 45 degree of matched faces one, parabola draws high face two, with 45 degree of matched faces two, promote optical efficiency significantly, individual unit width increases, and the LED number used is greatly decreased, cause product cost to reduce, increases considerably the competitiveness of client.
Description
Technical field
The present invention relates to automotive lighting field more particularly to a kind of vehicle signal lamp optical systems.
Background technique
With the development of car light industry, consumer and vehicle factor client for car light lighting mode, light even results,
Cost requirement improves increasingly.The lighting mode of turn signal dynamic flicker effect is opened when motor vehicles turn to remind front and back
The important indicator light that left and right vehicle and pedestrian pay attention to, the effect successively lighted by timing can provide a kind of lighting effect of beauty
Fruit also meets the laws and regulations requirement of turn signal simultaneously.The existing signal lamp successively lighted by timing, optical texture individual unit
Size is all very short, and the light efficiency of light efficiency utilization rate and whole system is also very low, therefore needs to realize that lighting is uniform using a large amount of LED
Property effect and regulation, increase product design costs.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of vehicle signal lamp optical system, Neng Gou great
Width increases the size of optical texture individual unit, increases light efficiency utilization rate, optical efficiency is substantially improved, and is used on a small quantity with realizing
LED light source meets the uniformity and regulation of lighting, to reduce design cost.
The present invention provides a kind of vehicle signal lamp optical system, including LED light source and heavy wall guide structure, the heavy wall light
Guide structure is sequentially overlapped by least one duplicate single collimation unit of heavy section casting and is constituted, the LED light source and heavy wall light guide knot
The single collimation unit of each heavy section casting in structure corresponds, and each single collimation unit of heavy section casting includes single dimension collimation
One, 45 degree of tapered optical face of device, light distribution scatter decorative pattern, and each single collimation unit of heavy section casting further includes that parabola draws high face
Two and 45 degree of matched faces two, parabola draw high face one and 45 degree of matched faces one, make right side and left side and LED method
Line at wide-angle light can thrown object line draws high face two, parabola draws high the collimation that another dimension is completed in face one upwards,
The light of wide-angle becomes complete collimated ray, and light travels to 45 degree of planes, one, 45 degree of plane one, according to 90 degree of directions into
Row total reflection, to realize that the region of 45 degree of region plane one and 45 degree of planes one is lighted.This four newly-increased optical surfaces can make
Each single collimation unit of heavy section casting lights width increase, while guaranteeing uniformity, reduces LED number and cost.
Further improvement lies in that: the parabola draws high face one and parabola draws high face second is that with LED light source center for coke
Optical surface made of the parabola of point is drawn high along rotary reference axis, for the single dimension light of wide-angle sector is further collimated
At directional light.
Further improvement lies in that: 45 degree of planes one and 45 degree of planes are second is that with rotary reference axis at the flat of 45 degree of angles
Face, for parabola being drawn high face one respectively and parabola draws high the collimated ray reflected in face two folding and turn 90 degrees.
The parabola draws high face two and matched 45 degree of faces two, and the parabola draws high face one and matches therewith
The 45 degree of faces one closed can collect the light of wide-angle, increase light efficiency utilization rate and optical efficiency is substantially improved.
Further improvement lies in that: 45 degree of tapered optical faces include one, 45 degree of 45 degree of tapered optical faces part cone of light
Two, the 45 degree of tapered optical faces in face part part three, each part in 45 degree of tapered optical faces are by one and rotation
Turn reference axis into 45 degree of straight line, referring to the rotation of rotation reference axis and biases.
Further improvement lies in that: dermatoglyph is added on 45 degree of tapered optical faces part one.
Further improvement lies in that: single dimension collimator a pair of LED light source in each single collimation unit of heavy section casting
The light of sending is compressed in the corresponding rotary axis direction of single dimension collimator one, generates fan-shaped single dimension collimated light.
Further improvement lies in that: the quantity of the LED light source is one or two, when using a LED light source, LED
Light source is located at the focal position of corresponding heavy wall guide structure, when using two LED light sources, LED light source position therein
In focal position, another LED light source is located at defocus position or two LED light sources are all located at defocus position.
It can realize that the dynamic of corresponding function is lighted by successively lighting the LED light source of each heavy wall guide structure, such as
It turns to, or realizes that greeting lamp dynamic lights function.
Further improvement lies in that: the heavy wall guide structure material therefor is polymethyl methacrylate or polycarbonate.
The LED light source includes n LED, and the light launched is spherical wave, and the heavy wall guide structure is by n
Repetitive unit is sequentially overlapped composition, uniformly lighting for respective peak width light guide is each responsible for, finally, n unit synthesizes one
A entirety realizes that whole region is uniformly lighted.N=the LProjected/l element, wherein LProjectedFor heavy wall light guide center line
Project to the length in the plane vertical with garage direction, l element For the width of individual unit.
Single dimension collimator for a moment carries out the light that LED light source issues in the corresponding rotary reference axis direction of collimator one
Compression generates fan-shaped single dimension collimated light.Then light continues to propagate, in the direction perpendicular to rotary reference axis, with LED method
Line can be totally reflected at the light of low-angle by 45 degree of tapered optical faces, and the realized rotation angle of the total reflection is 90 degree
Angle makes light complete collimation, and then realizes lighting to the domain in 45 degree of tapered optical faces, the formation in 45 degree of tapered optical faces
Principle is first to design one with rotation reference axis at 45 degree of straight line, then centered on rotating reference axis, by above-mentioned straight line
It is rotated and is biased.Since LED transmitting light is relatively strong in low-angle, wherein in order to reduce by 45 degree of tapered optical faces part
Light intensity on one side, needs in the one side of 45 degree of tapered optical faces part plus dermatoglyph, thus make 45 degree of tapered optical faces part one,
The brightness uniformity of 45 degree of tapered optical faces part, two, 45 degree of tapered optical faces part three can only light L1 wide with reference to Fig. 5 now
The region of degree.
Face two and 45 degree of matched faces two are drawn high by increasing parabola, draws high face one by increasing parabola, and
45 degree of matched faces one make right side and left side and LED normal draw high face two, parabolic at the light meeting thrown object line of wide-angle
Line draws high the collimation that another dimension is completed in face one upwards, and the light of wide-angle becomes complete collimated ray at this time, then,
Light travels to 45 degree of planes, one, 45 degree of plane one, is totally reflected according to 90 degree of directions, to realize 45 degree of region plane one
It is lighted with the region of 45 degree of planes one.The parabola draws high face one and parabola draws high face second is that with LED light source center for coke
Optical surface made of the parabola of point is drawn high along rotary shaft is flat for the single dimension light of wide-angle sector is further collimated into
Row light.45 degree of planes one and 45 degree of planes are used to second is that with rotary reference axis at the plane at 45 degree of angles respectively parabola
It draws high face one and parabola draws high the collimated ray folding reflected in face two and turn 90 degrees.It at this time include complete 45 degree of tapered opticals face
Divide one, 45 degree of tapered optical face part, three, 45 degree of two, 45 degree of tapered optical faces part, one, 45 degree of plane two of plane all by point
It is bright, with reference to Fig. 5, the region that bright area is L2 width is put now, lights width increase.
Due to comparing traditional technology, the light thrown object line of wide-angle draws high face two and matched 45 in the present invention
Face one and matched 45 degree of faces one collection are drawn high by increasing parabola in degree face two, and light efficiency utilization rate and optical efficiency are big
Amplitude is promoted, and is increased in conjunction with individual unit width, and under the premise of like products performance, the LED number that the present invention uses substantially subtracts
It is few, it can be realized product cost reduction, increased considerably the competitiveness of client.
Actual optical system is made of several heavy wall guide structures, each heavy wall guide structure has individually and only respectively
One focal position.
The number of LED light sources is at least one, it can an only LED light source, and it is located at corresponding heavy wall
The focal position of guide structure.It may be two LED light sources, and LED light source therein is located at focal position, it is another
LED light source is located at defocus position or two LED light sources are all located at defocus position.
The LED light source can use different colours LED light source, make its optical system can be realized simultaneously it is multiple not
Same signal lamp function.Such as the LED light source one uses yellow LED light source, individually lights the LED light source and realizes steering
Function, the LED light source use White LED light source, individually light the LED light source and realize daytime running lamps function, pass through
PWM control, the white LED light source is able to achieve position lamp function, is realized with this and is lighted the same area is multi-functional.
It can be square block that heavy wall guide structure light distribution, which scatters decorative pattern, or column, or others are not by
With the decorative pattern shape that design requirement can be changed, decorative pattern size is equally variable according to different designs demand, so as to light diffusion, makes to light effect
Fruit is more preferably uniform.
It can realize that the dynamic of turn signal is lighted by successively lighting the LED yellow light sources of each heavy wall guide structure, or
Person passes through the sequential illumination of other colour light source LED, realizes that greeting lamp dynamic lights function.
The beneficial effects of the present invention are: by increasing, parabola draws high face one and parabola draws high face two, and increase point
Not matched 45 degree of faces one and 45 degree of faces two, improve optical efficiency and light efficiency utilization rate, increase each unit lights width
Degree, to realize the uniformity and regulation that meet lighting using a small amount of LED light source, to reduce design cost.And this hair
It is bright by increasing dermatoglyph in low-angle light shadow surface, can make to light effect more uniform.
Detailed description of the invention
Fig. 1 is that structure of the invention carries on the back optical axis side schematic diagram.
Fig. 2 is optical schematic diagram of the invention.
Fig. 3 is lower view detail view of the invention.
Fig. 4 is that back of the invention regards detail view.
Fig. 5 is that width of the invention increases effect picture.
Fig. 6 is that each unit of the prior art lights width diagram.
Fig. 7 is the beneficial effect schematic diagram for lighting width of increased each unit of the invention.
Wherein: 1-LED light source, 2- heavy wall guide structure, the single collimation unit of 3- heavy section casting, 4- single dimension collimator one,
5a- parabola draws high face one, 6a-45 degree plane one, 5b- parabola draw high face two, 6b-45 degree plane two, 7-45 degree cone of light
Face, the degree tapered optical face 7a-45 part one, the degree tapered optical face 7b-45 part two, the degree tapered optical face 7c-45 part three,
8- light distribution scatters decorative pattern, 9- rotary reference axis.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
As shown in Figure 1, the present invention provides a kind of vehicle signal lamp optical system, including LED light source 1 and heavy wall guide structure
2, the heavy wall guide structure 2 is sequentially overlapped by the single collimation unit 3 of heavy section casting and is constituted, the LED light source 1 and heavy wall light guide knot
The single collimation unit 3 of each heavy section casting in structure 2 corresponds, and each single collimation unit 3 of heavy section casting includes single dimension
One 4,45 degree of tapered optical faces 7 of collimator, light distribution scatter decorative pattern 8, and each single collimation unit 3 of heavy section casting further includes parabolic
Line draws high two 5b of face and 45 degree of matched two 6b of face, and parabola draws high one 5a of face and 45 degree of matched one 6a of face, makes
Right side and left side and LED normal at wide-angle light can that thrown object line draws high two 5b of face, parabola draws high one 5a of face be complete upwards
At the collimation of another dimension, the light of wide-angle becomes complete collimated ray, and light travels to 45 degree of one 6b of plane, 45
One 6a of plane is spent, is totally reflected according to 90 degree of directions, to realize the area of 45 degree of region, one 6b and 45 degree of one 6a of plane of plane
It lights in domain.This four newly-increased optical surfaces can make the single collimation unit 3 of each heavy section casting light width increase, while guarantee uniform
Property, reduce LED number and cost.
The parabola draw high one 5a of face and parabola to draw high two 5b of face be using 1 center of LED light source as the parabola of focus
Optical surface made of being drawn high along rotary reference axis 9, for the single dimension light of wide-angle sector is further collimated into directional light.
45 degree of planes, one 6a and 45 degree of two 6b of plane is the plane with rotary reference axis 9 at 45 degree of angles, for distinguishing
Parabola is drawn high one 5a of face and parabola draws high the collimated ray folding that two 5b of face reflects and turn 90 degrees.
The parabola draws high two 5b of face and matched 45 degree of faces, two 6b, the parabola draw high one 5a of face and
Matched 45 degree of faces, one 6a can collect the light of wide-angle, increase light efficiency utilization rate and optical efficiency is substantially improved.
45 degree of tapered optical faces 7 include 45 degree of tapered optical faces part, one 7a, 45 degree of tapered optical faces part, two 7b,
45 degree of tapered optical faces part, three 7c, each part in 45 degree of tapered optical faces 7 are by one and rotation reference axis 9
At 45 degree of straight line, referring to the rotation of rotation reference axis 9 and bias.
Dermatoglyph is added on 45 degree of tapered optical faces part, one 7a.
The light that one 4 pairs of LED light sources 1 of single dimension collimator in each single collimation unit 3 of the heavy section casting issue exists
Corresponding 9 direction of rotary shaft of single dimension collimator 1 is compressed, and fan-shaped single dimension collimated light is generated.
A kind of vehicle signal lamp optical system is present embodiments provided, successively includes: LED light source 1, heavy wall guide structure 2,
The LED light source 1 includes n LED, and the light launched is spherical wave, and the heavy wall guide structure 2 is repeated single by n
Member 3 is sequentially overlapped composition, uniformly lighting for respective peak width light guide is each responsible for, finally, n unit synthesizes an entirety
To realize that whole region is uniformly lighted.N=the LProjected/l element, wherein LProjectedIt is projected to for heavy wall light guide center line
Length in the plane vertical with garage direction, l element For the width of individual unit.
Fig. 2-4 is the light path principle figure of the single collimation unit 3 of the present embodiment heavy section casting, is exactly the angular spectrum point LED light
Cloth is converted into spatial distribution.Single dimension collimator 1 can join the light that LED light source 1 issues in the corresponding rotation of collimator 1
It examines 9 direction of axis to be compressed, generates fan-shaped single dimension collimated light.Then light continues to propagate, perpendicular to rotary reference axis 9
Direction, can be totally reflected by 45 degree of tapered optical faces 7 with LED normal at the light of low-angle, and it is described total reflection realized
Rotation angle be an angle of 90 degrees, so that light is completed collimation, and then realize lighting to the domain in 45 degree of tapered optical faces 7, described 45
The formation basic theory in degree tapered optical face 7 is first to design one with rotation reference axis 9 into 45 degree of straight line, is then joined with rotating
Centered on axis 9, above-mentioned straight line is rotated and biased.Since LED transmitting light is relatively strong in low-angle, wherein in order to
The light intensity on 45 degree of tapered optical faces part, one face 7a is reduced, needs to add dermatoglyph on 45 degree of tapered optical faces part, one face 7a,
To make 45 degree of tapered optical faces part, one 7a, 45 degree of tapered optical faces part, two 7b, 45 degree of tapered optical faces part three 7c
Brightness uniformity can only light the region of L1 width with reference to Fig. 5 now.
With reference to Fig. 2, the present embodiment draws high two 5b of face and 45 degree of matched two 6b of face by increasing parabola, passes through
Increase parabola and draw high one 5a of face and 45 degree of matched one 6a of face, makes right side and left side and LED normal at the light of wide-angle
Line can thrown object line draws high two 5b of face, parabola draws high the collimation that one 5a of face completes another dimension upwards, at this time wide-angle
Light become complete collimated ray, then, light travels to 45 degree of one 6b of plane, 45 degree one 6a of plane, according to 90 degree just
To being totally reflected, to realize that the region of 45 degree of region, one 6b and 45 degree of one 6a of plane of plane is lighted.The parabola is drawn high
It is light made of being drawn high as the parabola of focus along rotary shaft 9 using 1 center of LED light source that one 5a of face and parabola, which draw high two 5b of face,
Face, for the single dimension light of wide-angle sector is further collimated into directional light.45 degree of planes, one 6a and 45 degree of plane
Two 6b are the planes with rotary reference axis 9 at 45 degree of angles, for parabola being drawn high one 5a of face respectively and parabola draws high face two
The collimated ray folding of 5b reflection is turn 90 degrees.It at this time include one 7a of complete 45 degree of tapered optical faces part, 45 degree of tapered optical faces
Two 7b of part, 45 degree of tapered optical faces part, three 7c, 45 degree of one 6a of plane, 45 degree of two 6b of plane are all lit, with reference to Fig. 5,
Point bright area is the region of L2 width now, lights width increase.
Due to comparing traditional technology, the light thrown object line of wide-angle draws high two 5b of face and matched in the present embodiment
45 degree of two 6b of face, draw high one 5a of face and matched 45 degree one 6a of face collection by increasing parabola, optical efficiency is substantially
Degree is promoted, and is increased in conjunction with individual unit width, and under the premise of like products performance, the LED number that the present embodiment uses substantially subtracts
It is few, product cost can be made to reduce, increase considerably the competitiveness of client.
Fig. 6-7 is the beneficial effect of the present embodiment, compared with prior art, is clear that the present embodiment technical solution
Width increases considerably.
Claims (8)
1. a kind of vehicle signal lamp optical system, including LED light source (1) and heavy wall guide structure (2), it is characterised in that: described
Heavy wall guide structure (2) is sequentially overlapped by least one duplicate single collimation unit of heavy section casting (3) and is constituted, the LED light source
(1) the single collimation unit of each heavy section casting (3) and in heavy wall guide structure (2) corresponds, and each heavy section casting is single
Collimation unit (3) includes single dimension collimator one (4), 45 degree of tapered optical faces (7), light distribution scattering decorative pattern (8), each thickness
The single collimation unit of wall pieces (3) further includes that parabola draws high face two (5b) and 45 degree of matched faces two (6b), and parabola is drawn
Face one (5a) and 45 degree of matched faces one (6a) are risen, throw right side and left side can at the light of wide-angle with LED normal
Object line draws high face two (5b), parabola draws high the collimation that another dimension is completed in face one (5a) upwards, the light of wide-angle at
For complete collimated ray, light travels to 45 degree of planes one (6b), 45 degree of planes one (6a), is all-trans according to 90 degree of directions
It penetrates, to realize that the region of 45 degree of region plane one (6b) and 45 degree of planes one (6a) is lighted.
2. a kind of vehicle signal lamp optical system as described in claim 1, it is characterised in that: the parabola draws high face one
It is to draw high using LED light source (1) center as the parabola of focus along rotary reference axis (9) that (5a) and parabola, which draw high face two (5b),
Made of optical surface, for the single dimension light of wide-angle sector is further collimated into directional light.
3. a kind of vehicle signal lamp optical system as described in claim 1, it is characterised in that: 45 degree of planes one (6a) and
45 degree of planes two (6b) are the planes with rotary reference axis (9) at 45 degree of angles, for respectively parabola draw high face one (5a) and
The collimated ray folding that parabola draws high face two (5b) reflection is turn 90 degrees.
4. a kind of vehicle signal lamp optical system as described in claim 1, it is characterised in that: 45 degree of tapered optical faces
It (7) include 45 degree of tapered optical faces part one (7a), 45 degree of tapered optical faces part two (7b), 45 degree of tapered optical faces part three
(7c), each part of 45 degree of tapered optical faces (7) are with rotation reference axis (9) by one into 45 degree straight line,
Referring to rotation reference axis (9) rotation and bias.
5. a kind of vehicle signal lamp optical system as described in claim 1, it is characterised in that: 45 degree of tapered opticals face
Divide and is added with dermatoglyph on one (7a).
6. a kind of vehicle signal lamp optical system as described in claim 1, it is characterised in that: each heavy section casting is individually quasi-
The light that single dimension collimator one (4) in straight unit (3) issues LED light source (1) is corresponding in single dimension collimator one (4)
Rotary shaft (9) direction is compressed, and fan-shaped single dimension collimated light is generated.
7. a kind of vehicle signal lamp optical system as described in claim 1, it is characterised in that: the quantity of the LED light source (1)
For one or two, when using LED light source (1), LED light source (1) is located at the focus position of corresponding heavy wall guide structure
It sets, when using two LED light source (1), LED light source therein is located at focal position, and another LED light source is located at defocus
Position or two LED light sources are all located at defocus position.
8. a kind of vehicle signal lamp optical system as described in claim 1, it is characterised in that: the heavy wall guide structure (2)
Material therefor is polymethyl methacrylate or polycarbonate.
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|---|---|---|---|
| CN201910623558.8A CN110285387A (en) | 2019-07-11 | 2019-07-11 | A kind of vehicle signal lamp optical system |
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| CN201910623558.8A CN110285387A (en) | 2019-07-11 | 2019-07-11 | A kind of vehicle signal lamp optical system |
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| CN110285387A true CN110285387A (en) | 2019-09-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963118A (en) * | 2022-05-26 | 2022-08-30 | 嘉兴海拉灯具有限公司 | Optical system and car lamp |
| FR3139175A1 (en) * | 2022-08-24 | 2024-03-01 | Psa Automobiles Sa | Widened pitch light guide |
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| CN210179526U (en) * | 2019-07-11 | 2020-03-24 | 马瑞利汽车零部件(芜湖)有限公司 | Automobile signal lamp optical system |
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| CN114963118A (en) * | 2022-05-26 | 2022-08-30 | 嘉兴海拉灯具有限公司 | Optical system and car lamp |
| FR3139175A1 (en) * | 2022-08-24 | 2024-03-01 | Psa Automobiles Sa | Widened pitch light guide |
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