CN110107858A - Car light collector designs method and structure - Google Patents
Car light collector designs method and structure Download PDFInfo
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- CN110107858A CN110107858A CN201910392331.7A CN201910392331A CN110107858A CN 110107858 A CN110107858 A CN 110107858A CN 201910392331 A CN201910392331 A CN 201910392331A CN 110107858 A CN110107858 A CN 110107858A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 76
- 238000010276 construction Methods 0.000 claims abstract description 20
- 238000009826 distribution Methods 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 6
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 229910052934 alunite Inorganic materials 0.000 claims description 2
- 239000010424 alunite Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- KPZTWMNLAFDTGF-UHFFFAOYSA-D trialuminum;potassium;hexahydroxide;disulfate Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O KPZTWMNLAFDTGF-UHFFFAOYSA-D 0.000 claims description 2
- 235000008429 bread Nutrition 0.000 claims 1
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 230000008439 repair process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/322—Optical layout thereof the reflector using total internal reflection
-
- 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
-
- 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
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
- F21S43/31—Optical layout thereof
- F21S43/315—Optical layout thereof using total internal reflection
-
- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/20—Illuminance distribution within the emitted light
-
- 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
-
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of car light collector designs method and structure, the core of this method is that the light inputting end of condenser is divided to different zones in the circumferential, and it is individually designed to carry out subregion.The light inputting end of the structure is equipped with from around to the sequentially connected fully reflecting surface in center, large angle incidence light receiving surface and low-angle incident ray receiving plane, be formed as the outer male structure of core indent, the low-angle incident ray receiving plane includes multiple Fresnel collimation planes, at least there are two types of focal length specifications for these Fresnel collimation planes, these Fresnel collimation planes are the sector of concentric one by one along the orthographic projection for designing optical axis direction, and the sum of central angle of all sectors is 360 degree, the two neighboring Fresnel collimation plane forms step structure in intersection, interface is the plane by the design optical axis.The present invention can solve the large angle incidence light leakage problem of traditional car light concentrator construction, to improve receipts light efficiency, eliminate wide-angle speck.
Description
Technical field
The present invention relates to a kind of car light collector designs methods and corresponding construction, are mainly used in heavy section casting optical system
The light that light source issues is collected, is particularly suitable in the headlamp of motor vehicle or the optical system of taillight, car light technology neck is belonged to
Domain.
Background technique
Fig. 1 is the design structure of traditional direct-injection type condenser, in the light that LED light source 1 issues, low-angle incident ray
It is projected after low-angle incident ray receiving plane A is refracted into condenser by light-emitting surface 6, large angle incidence light is from wide-angle
Incident ray receiving plane C is first passed through after being refracted into condenser using the injection of light-emitting surface 6 after fully reflecting surface B is totally reflected, wherein
The corresponding emergent ray of high angle scattered light as shown in figure 17,8 shown in, emergent ray is parallel with the optical axis direction of design.The tradition
Direct-injection type concentrator construction in optical surface A, B, C be surface of revolution, rotation axis and optical axis coincidence.Optical surface A, B, C enclose
At the light inputting end of condenser.
When being applied in practical fitting structure, according to moulding needs, often there is segment difference between adjacent two concentrator construction,
Since segment difference has drafting angle, optical surface B is frequently not a complete surface of revolution, practical lamps and lanterns as shown in Figure 2,3
The asymmetric concentrator construction used in structure describes the optical surface B on the asymmetric concentrator construction for convenience, with
Three, the 4th optical surface 4,5 respectively represents the local surfaces of left and right two of optical surface B under the visual angle Fig. 3, and the imperfect of optical surface B is led
The light after optical surface C refraction is caused not received completely by optical surface B, the light without being received can penetrate two optically focused
Segment difference face outgoing between device, such as 7 ' of light leakage light in Fig. 2, just will form a speck, this speck in some wide-angle
It will cause two problems:
First: influencing the lighting uniformity of overall collimation system.
Second: the light not being collected into often appears in the place of wide-angle, the test for signal lamp function
Point does not act on, and causes energy dissipation.
Summary of the invention
The object of the present invention is to provide a kind of car light collector designs method and structure, it can solve traditional car light and use and gather
The large angle incidence light leakage problem of light device structure eliminates wide-angle speck to improve receipts light efficiency.
Main technical schemes of the invention have:
A kind of car light collector designs method, divides different zones for the light inputting end of condenser in the circumferential, is divided
Region is individually designed.
Low-angle incident ray receiving plane is divided into multiple Fresnel collimation planes, makes these Fresnel collimation planes at least
Two kinds of focal length specifications, the orthographic projection of optical axis directions is designed as the sector of concentric one by one in these Fresnel collimation planes edges, and institute
Having the sum of fan-shaped central angle is 360 degree, and the two neighboring Fresnel collimation plane forms step structure in intersection, with process
The plane of the design optical axis is as interface.
Along design optical axis direction, the Fresnel collimation plane of smaller focal length is provided closer to the position of condenser focus
It sets.
When the orthographic projection of the light inputting end edge design optical axis direction is not circle, the radial width of the orthographic projection is 360
It is had differences in degree range, in circumferentially layout, the Fresnel collimation plane of smaller focal length is positioned close to or close neighbour is radially-wide
Lesser side is spent, the Fresnel collimation plane of larger focal length is positioned close to or the biggish side of close neighbour's radial width.
The fully reflecting surface of light inputting end can also be divided into multiple total reflection blocks, these total reflection blocks are rotary shaft
Line and design optical axis coincidence surface of revolution segment, but formed these total reflection blocks plane curve it is at least different two
Item, all total reflection blocks are annular along the fan that the orthographic projection of design optical axis direction is concentric one by one, and the annular institute of all fans
The sum of corresponding central angle be 360 degree, the two neighboring total reflection block intersection formation step structure, interface be through
Cross the plane of the design optical axis.
It is preferred that correspond the total reflection block radially with the Fresnel collimation plane, it is corresponding described complete
Central angle corresponding to block and Fresnel collimation plane each is reflected to be overlapped.
A kind of car light concentrator construction, light inputting end are equipped with from around to the sequentially connected fully reflecting surface in center, big angle
Incident ray receiving plane and low-angle incident ray receiving plane are spent, is formed as the outer male structure of core indent, the low-angle enters
Penetrating light receiving surface includes multiple Fresnel collimation planes, and at least there are two types of focal length specification, these luxuriant and rich with fragrance alunites for these Fresnel collimation planes
The orthographic projection of your collimation plane edge design optical axis direction is the sector of concentric one by one, and the sum of the central angle of all sectors is
360 degree, the two neighboring Fresnel collimation plane forms step structure in intersection, and interface is by the design optical axis
Plane.
The Fresnel collimation plane of smaller focal length is comparing the Fresnel collimation plane of larger focal length more along design optical axis direction
Close to the position of condenser focus.
The low-angle incident ray receiving plane may include Fresnel collimation plane described in even number, when the Fresnel is quasi-
It is two-by-two one group when facing no less than four directly, two Fresnel collimation planes are centrosymmetric distribution in one group.
The fully reflecting surface is rotation axis and a cyclic annular surface of revolution for designing optical axis coincidence, or in the ring-type
On the basis of surface of revolution by outer edge locally cut down after obtain it is irregular, when the fully reflecting surface be the irregular surface
When, which has differences within the scope of 360 degree along the radial width of the orthographic projection of design optical axis direction, smaller focal length
For the setting of Fresnel collimation plane in the lesser side of radial width, the Fresnel collimation plane setting of larger focal length is larger in radial width
Side.
The fully reflecting surface may include the rotation different from design optical axis coincidence but plane curve of multiple rotation axis
Curved surface segment, all surface of revolution segments own along the fan annular that the orthographic projection of design optical axis direction is concentric one by one
Fanning the sum of central angle of annular is 360 degree, and the two neighboring surface of revolution segment forms step structure, interface in intersection
It is the plane by the design optical axis.
The surface of revolution segment has even number, is two-by-two one group when no less than four, two rotations in one group
Curved surface segment is centrosymmetric distribution.
The beneficial effects of the present invention are:
The present invention carries out the design of partition domain by the way that low-angle incident ray receiving plane is divided into multiple collimation Fresnel surfaces, because
This can be needed according to moulding, and the receipts photosystem of flexible design condenser not only effectively increases the receipts light efficiency of condenser, mentions
High optics service efficiency additionally aids optimization lighting, eliminates the lighting speck of wide-angle optical system.
Under mold designed situation, it is only necessary to be designed change to mold, carry out part to mold and repair a die
The optimization that optics exemplar can be realized makes it have design feature of the invention, eliminates the expense for redesigning mold, and
Save the time of design mold.
Due to being designed using subregion, fully reflecting surface, large angle incidence light receiving surface and low-angle incident ray are received
Face can flexible design, therefore can achieve for more conventional design method more precisely, the higher skill of light efficiency service efficiency
Art effect is also easier to adapt to ever-changing vehicle light shape needs.
Detailed description of the invention
Fig. 1 is traditional direct-injection type collector designs structural schematic diagram；
Fig. 2 is the schematic diagram of traditional asymmetric concentrator construction applied to practical fitting structure；
Fig. 3 is the top view of the concentrator construction light inputting end of Fig. 2；
Fig. 4 is the structural schematic diagram of one embodiment of car light concentrator construction of the invention；
Fig. 5 is the top view of the light inputting end of another embodiment of car light concentrator construction of the invention.
Appended drawing reference: 1.LED light source, 2. first optical surfaces, 3. second optical surfaces, 4. third optical surfaces, 5. the 4th optics
Face, 6. light-emitting surfaces, 7. emergent rays, 7 ' light leakage light, 7 ＂ emergent rays, 8. emergent rays, 9. surface of revolution segments, 10.
Surface of revolution segment, A. low-angle incident ray receiving plane, B. fully reflecting surface, C. large angle incidence light receiving surface.
Specific embodiment
The invention discloses a kind of car light collector designs method, core be by the light inputting end of condenser in the circumferential
Divide different zones, carry out subregion it is individually designed, with eliminate according to moulding needs done near condenser periphery it is some
The negative effect that deformation in structure generates lighting effect, or also can satisfy special formed circumferential for condenser different
The needs of the special lighting effect of position.
Further, it is preferable to which low-angle incident ray receiving plane is divided into multiple Fresnel collimation planes, make these luxuriant and rich with fragrance alunites
At least there are two types of focal length specifications for your collimation plane, these Fresnel collimation planes are along the orthographic projection for designing optical axis direction for one by one with circle
The sector of the heart, and the sum of central angle of all sectors is 360 degree, the two neighboring Fresnel collimation plane forms platform in intersection
Stage structure is used and passes through the plane for designing optical axis as interface.This method is equivalent to the low-angle incident light to light inputting end
Line receiving plane carries out circumferential fanned partition centered on designing optical axis, and the circumferentially upper different zones of condenser can be made to have difference
Light collection efficiency, light utilization and lighting effect, while in structure again it is relatively easy.
It is further preferred that the Fresnel collimation plane of smaller focal length is provided closer to gather along design optical axis direction
The position of light device focus.The position of the focus of the position of condenser focus i.e. each Fresnel collimation plane.If compared with
Big its focal length of the Fresnel collimation plane of focal length is identical as traditional low-angle incident ray receiving plane, then this method is compared to tradition
Condenser be equivalent to part and increase the collection angle of low-angle incident ray receiving plane, will be possible to generate light leakage originally
Incident ray is collected in advance, therefore can be to avoid light leakage.
When the light inputting end outer profile along design optical axis direction orthographic projection be not circle when, the orthographic projection it is radially-wide
Degree has differences within the scope of 360 degree, on circumferential be laid out, preferably the Fresnel collimation plane of smaller focal length is positioned close to or
The Fresnel collimation plane of larger focal length is positioned close to or close neighbour's radial width is biggish by the lesser side of close neighbour's radial width
Side.
The fully reflecting surface of light inputting end further can also be divided into multiple total reflection blocks, these total reflection blocks are
The surface of revolution segment of rotation axis and design optical axis coincidence, but the plane curve for forming these total reflection blocks is at least different
Two, all total reflection blocks are along the fan annular that the orthographic projections of design optical axis direction are concentric one by one, and all fan rings
The sum of central angle corresponding to shape is 360 degree, and the two neighboring total reflection block forms step structure, interface in intersection
It is the plane by the design optical axis.
Further, correspond the total reflection block radially with the Fresnel collimation plane, phase
Central angle corresponding to the corresponding total reflection block and Fresnel collimation plane each is overlapped.
It, will be by hereinafter using the vehicle of this method design about the car light other details of collector designs method
Lamp is further embodied with concentrator construction.
The car light concentrator construction disclosed by the invention is as shown in Figure 4,5, and light inputting end is equipped with from around to center
Sequentially connected fully reflecting surface, large angle incidence light receiving surface and low-angle incident ray receiving plane (correspond respectively to Fig. 1-3
In B, C, A), be formed as the outer male structure of core indent, be substantially similar to the light inputting end of traditional concentrator construction.The small angle
Degree incident ray receiving plane includes multiple Fresnel collimation planes, and at least there are two types of focal length specification, attached drawings for these Fresnel collimation planes
4, altogether there are two types of focal length specification in 5 illustrated embodiments, wherein the focal length of the first optical surface 2 is smaller, the focal length of the second optical surface 3 compared with
Greatly.The orthographic projection of optical axis directions is designed as the sector of concentric one by one in these Fresnel collimation planes edges, and the circle of all sectors
The sum of heart angle is 360 degree, and the two neighboring Fresnel collimation plane is there are differences in height along design optical axis direction, in intersection
Step structure is formed, interface is the plane by the design optical axis.It is more since low-angle incident ray receiving plane to be divided into
A curved surface segment is designed respectively, and flexible design degree significantly improves, can be to the incident ray within the scope of circumferential any angle
It is flexibly collected, therefore can easily be made up because moulding needs have to carry out the fully reflecting surface local subduction zone
The negative effect come, practical value with higher.
The Fresnel collimation plane of smaller focal length is comparing the Fresnel collimation plane of larger focal length more along design optical axis direction
Close to the position of condenser focus, the Fresnel collimation plane for externally protruding out in larger focal length is shown as.Compared to the Fresnel of larger focal length
The Fresnel collimation plane 2 of collimation plane 3, smaller focal length is bigger to the collection angle of light, therefore in the condenser of traditional structure
Large angle incidence light corresponding to 7 ' of light leakage light is able to be collimated by the Fresnel of smaller focal length in condenser of the invention
Face is collected in advance, then is projected with 7 ＂ of emergent ray from light-emitting surface 6, therefore will not go out from the sidewall leakage of condenser, but energy
It is enough all to be absorbed by effective optical surface.
The radius size relationship of sector corresponding to different Fresnel collimation planes is unlimited, both can all Fresnel collimations
The radius of the corresponding sector in face is equal, and can also at least have two different radius specifications.
The low-angle incident ray receiving plane preferably includes Fresnel collimation plane described in even number, implements shown in attached drawing 4
There are two Fresnel collimation planes described in example, is the first optical surface 2 and the second optical surface 3 respectively.
When the Fresnel collimation plane is no less than four, preferably in pairs, two Fresnels are quasi- in one group
Face the distribution that is preferably centrosymmetric directly.So-called central symmetry distribution, in addition to symmetrical on position, the structural parameters of two collimation planes itself
Also identical.
The radius of sector corresponding to the Fresnel collimation plane of difference group can be identical or different.
In attached embodiment illustrated in fig. 5, there are four the Fresnel collimation planes.When application the condenser car light be mounted on vehicle
When with it, this four Fresnel collimation planes are located at four positions up and down.One group of phenanthrene alunite positioned at upper and lower two positions
Your focal length of collimation plane is smaller.Vertical direction by reinforcing condenser receives light ability and improves luminous flux making in vertical direction
Light can be made to radiate in the horizontal direction longer by weakening the light gathering of condenser in the horizontal direction with efficiency
Thus distance improves optics service efficiency well.Pass through this kind of flexible design mode, it is possible to reduce the usage quantity of LED, drop
The design cost of low-function.
The fully reflecting surface (can be referred to as rotation axis with a cyclic annular surface of revolution for designing optical axis coincidence
Regular surfaces, optical surface B as shown in figure 1), or to be obtained after outer edge is locally cut down on the basis of the ring-type surface of revolution
The irregular surface (the optical surface B in such as Fig. 3) arrived.When the fully reflecting surface is the irregular surface, such as attached drawing 4,
The fully reflecting surface has differences within the scope of 360 degree along the radial width of the orthographic projection of design optical axis direction.A variety of focal length specifications
Fresnel collimation plane arrange followed rule in the circumferential preferably are as follows: the setting of Fresnel collimation plane 2 of smaller focal length is being leaned on
The Fresnel collimation plane 3 of close or the lesser side of close neighbour's radial width (such as corresponding to third optical surface 4), larger focal length is arranged
At close or the biggish side of close neighbour's radial width (such as corresponding to the 4th optical surface 5).It is quasi- using the Fresnel of smaller focal length
Face 2 directly, be equivalent between reducing respective ray of light collection surface between LED light source at a distance from, increase respective ray of light collection surface to light
Originally the incident ray for being possible to generate light leakage is collected by the collection angle of line in advance.Since this portions incident light exists
No longer needed in condenser by total reflection, therefore will not due to the reduction of the surface area of corresponding side fully reflecting surface light leakage.When described
When there are three types of Fresnel collimation planes and the above focal length specification, the corresponding local surface of circumferential direction unit angle on the fully reflecting surface
Smaller, the focal length for the Fresnel collimation plane being arranged close to it is smaller.
The fully reflecting surface can also be different from design optical axis coincidence but plane curve including multiple rotation axis
The aggregate surface of surface of revolution segment, such as Fig. 5, all surface of revolution segments 9,10 are one along the orthographic projection of design optical axis direction
The fan annular of each and every one concentric, and the sum of the central angle of all fan annulars is 360 degree, the two neighboring surface of revolution segment exists
Intersection forms step structure, and interface is the plane by the design optical axis.
The surface of revolution segment preferably has even number, is two-by-two one group when no less than four, two institutes in one group
Surface of revolution segment is stated to be centrosymmetric distribution.
The surface of revolution segment is preferably corresponded with the Fresnel collimation plane radially, the corresponding rotation
Turn the coincidence of central angle corresponding to curved surface segment and Fresnel collimation plane each, as shown in Figure 5.Using this structure type
It is all relatively easy on designing and manufacturing.
Herein referred is radially, circumferentially to design optical axis direction as axial for reference.
Claims (12)
1. a kind of car light collector designs method, it is characterised in that: the light inputting end of condenser is divided not same district in the circumferential
It is individually designed to carry out subregion for domain.
2. car light as described in claim 1 collector designs method, it is characterised in that: by low-angle incident ray receiving plane
Multiple Fresnel collimation planes are divided into, making these Fresnel collimation planes, at least there are two types of focal length specification, these Fresnel collimation planes
Orthographic projection along design optical axis direction is the sector of concentric one by one, and the sum of central angle of all sectors is 360 degree, adjacent
Two Fresnel collimation planes form step structure in intersection, use and pass through the plane for designing optical axis as interface.
3. car light as claimed in claim 2 collector designs method, it is characterised in that:, will along edge design optical axis direction
The Fresnel collimation plane of smaller focal length is provided closer to the position of condenser focus.
4. car light as claimed in claim 3 collector designs method, it is characterised in that: when the light inputting end is along design optical axis
When the orthographic projection in direction is not circle, the radial width of the orthographic projection has differences within the scope of 360 degree, by the phenanthrene of smaller focal length
The setting of alunite ear collimation plane the Fresnel collimation plane of larger focal length is arranged larger in radial width in the lesser side of radial width
Side.
5. the car light collector designs method as described in claim 1,2,3 or 4, it is characterised in that: by being all-trans for light inputting end
The face of penetrating is divided into multiple total reflection blocks, these total reflection blocks are the surface of revolution piece of rotation axis and design optical axis coincidence
Section, but form at least different two of plane curve of these total reflection blocks, all total reflection blocks are along designing optical axis sides
To orthographic projection be concentric one by one fan annular, and the sum of central angle corresponding to all fan annulars is 360 degree, adjacent two
A total reflection block forms step structure in intersection, and interface is the plane by the design optical axis.
6. the car light collector designs method as described in right asks 5, it is characterised in that: make the total reflection block and the phenanthrene
Nie Er collimation plane corresponds radially, corresponding to the corresponding total reflection block and Fresnel collimation plane each
Central angle be overlapped.
7. a kind of car light concentrator construction, light inputting end is equipped with from around to the sequentially connected fully reflecting surface in center, wide-angle
Incident ray receiving plane and low-angle incident ray receiving plane, are formed as the outer male structure of core indent, it is characterised in that: described
Low-angle incident ray receiving plane includes multiple Fresnel collimation planes, these Fresnel collimation planes at least there are two types of focal length specification,
The orthographic projection of optical axis directions is designed as the sector of concentric one by one in these Fresnel collimation planes edges, and the central angle of all sectors
The sum of be 360 degree, the two neighboring Fresnel collimation plane intersection formation step structure, interface is by the design
The plane of optical axis.
8. car light concentrator construction as claimed in claim 7, it is characterised in that: the Fresnel collimation plane of smaller focal length is on edge
The Fresnel collimation plane on optical axis direction compared to larger focal length is designed closer to the position of condenser focus.
9. car light concentrator construction as claimed in claim 8, it is characterised in that: the low-angle incident ray receives bread
Fresnel collimation plane described in even number is included, is two-by-two one group, two in one group when the Fresnel collimation plane is no less than four
The Fresnel collimation plane is centrosymmetric distribution.
10. the car light concentrator construction as described in claim 7,8 or 9, it is characterised in that: the fully reflecting surface is rotary shaft
One cyclic annular surface of revolution of line and design optical axis coincidence, or to pass through outer edge part on the basis of the ring-type surface of revolution
The irregular surface obtained after reduction, when the fully reflecting surface is the irregular surface, the fully reflecting surface is along design optical axis
The radial width of the orthographic projection in direction has differences within the scope of 360 degree, and the Fresnel collimation plane of smaller focal length is arranged in radial direction
The Fresnel collimation plane of the lesser side of width, larger focal length is arranged in the biggish side of radial width.
11. the car light concentrator construction as described in claim 7,8 or 9, it is characterised in that: the fully reflecting surface includes multiple
Rotation axis surface of revolution segment different from design optical axis coincidence but plane curve, all surface of revolution segments are along design
The orthographic projection of optical axis direction is the fan annular of concentric one by one, and the sum of central angle of all fan annulars is 360 degree, adjacent two
A surface of revolution segment forms step structure in intersection, and interface is the plane by the design optical axis.
12. car light concentrator construction as claimed in claim 11, it is characterised in that: the surface of revolution segment has even number
It is a, it is two-by-two one group when no less than four, two surface of revolution segments are centrosymmetric distribution in one group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392331.7A CN110107858B (en) | 2019-05-13 | 2019-05-13 | Design method and structure of light collector for car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392331.7A CN110107858B (en) | 2019-05-13 | 2019-05-13 | Design method and structure of light collector for car lamp |
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1026033A2 (en) * | 1999-02-03 | 2000-08-09 | Autopal, s.r.o. | Red rear signal lamps with common neon source |
| US6276817B1 (en) * | 1999-03-01 | 2001-08-21 | Yoshiteru Sogawa | Discontinuous light-beam condenser lens |
| JP2006189526A (en) * | 2005-01-04 | 2006-07-20 | Hitachi Ltd | Image display apparatus, screen and fresnel lens sheet used therefor |
| US20090296211A1 (en) * | 2004-01-07 | 2009-12-03 | Arno Schubert | Fresnel lens and projection display device using one such lens |
| JP2011141450A (en) * | 2010-01-07 | 2011-07-21 | Citizen Electronics Co Ltd | Lens member and optical unit |
| CN102788302A (en) * | 2011-05-18 | 2012-11-21 | 斯坦雷电气株式会社 | Vehicle lighting unit |
| CN103733093A (en) * | 2011-08-12 | 2014-04-16 | 西铁城电子株式会社 | Lens member and light-emitting device using same |
| CN203642077U (en) * | 2014-01-10 | 2014-06-11 | 刘炜斌 | Optical lens |
| CN103885165A (en) * | 2013-06-09 | 2014-06-25 | 盖志武 | Multiple-focus coincident Fresnel lens system |
| CN104456355A (en) * | 2014-11-15 | 2015-03-25 | 重庆长安汽车股份有限公司 | Automobile LED lamp lens |
| JP2016212949A (en) * | 2015-04-28 | 2016-12-15 | 株式会社小糸製作所 | Vehicular lamp |
| CN205919258U (en) * | 2016-07-12 | 2017-02-01 | 广东宏磊达光电科技有限公司 | Prevent fresnel lens of edge leakage |
| JP2017117720A (en) * | 2015-12-25 | 2017-06-29 | 市光工業株式会社 | Vehicular headlamp |
| CN107490816A (en) * | 2017-08-04 | 2017-12-19 | 广州市焦汇光电科技有限公司 | Fully-reflected type Fresnel Lenses |
| CN207350128U (en) * | 2017-10-20 | 2018-05-11 | 上海小糸车灯有限公司 | A kind of combination optical colimated light system of lamps apparatus for vehicle |
| CN108758550A (en) * | 2018-06-22 | 2018-11-06 | 广州赛西标准检测研究院有限公司 | Auto lamp and lens |
| CN109519870A (en) * | 2018-12-28 | 2019-03-26 | 马瑞利汽车零部件(芜湖)有限公司 | Realize the optical system of uniformly light-emitting |
| CN109681843A (en) * | 2019-02-26 | 2019-04-26 | 华域视觉科技(上海)有限公司 | Car light mould group and the automobile for applying it |
| CN209688734U (en) * | 2019-05-13 | 2019-11-26 | 华域视觉科技(上海)有限公司 | Car light concentrator construction |
-
2019
- 2019-05-13 CN CN201910392331.7A patent/CN110107858B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1026033A2 (en) * | 1999-02-03 | 2000-08-09 | Autopal, s.r.o. | Red rear signal lamps with common neon source |
| US6276817B1 (en) * | 1999-03-01 | 2001-08-21 | Yoshiteru Sogawa | Discontinuous light-beam condenser lens |
| US20090296211A1 (en) * | 2004-01-07 | 2009-12-03 | Arno Schubert | Fresnel lens and projection display device using one such lens |
| JP2006189526A (en) * | 2005-01-04 | 2006-07-20 | Hitachi Ltd | Image display apparatus, screen and fresnel lens sheet used therefor |
| JP2011141450A (en) * | 2010-01-07 | 2011-07-21 | Citizen Electronics Co Ltd | Lens member and optical unit |
| CN102788302A (en) * | 2011-05-18 | 2012-11-21 | 斯坦雷电气株式会社 | Vehicle lighting unit |
| CN103733093A (en) * | 2011-08-12 | 2014-04-16 | 西铁城电子株式会社 | Lens member and light-emitting device using same |
| CN103885165A (en) * | 2013-06-09 | 2014-06-25 | 盖志武 | Multiple-focus coincident Fresnel lens system |
| CN203642077U (en) * | 2014-01-10 | 2014-06-11 | 刘炜斌 | Optical lens |
| CN104456355A (en) * | 2014-11-15 | 2015-03-25 | 重庆长安汽车股份有限公司 | Automobile LED lamp lens |
| JP2016212949A (en) * | 2015-04-28 | 2016-12-15 | 株式会社小糸製作所 | Vehicular lamp |
| JP2017117720A (en) * | 2015-12-25 | 2017-06-29 | 市光工業株式会社 | Vehicular headlamp |
| CN205919258U (en) * | 2016-07-12 | 2017-02-01 | 广东宏磊达光电科技有限公司 | Prevent fresnel lens of edge leakage |
| CN107490816A (en) * | 2017-08-04 | 2017-12-19 | 广州市焦汇光电科技有限公司 | Fully-reflected type Fresnel Lenses |
| CN207350128U (en) * | 2017-10-20 | 2018-05-11 | 上海小糸车灯有限公司 | A kind of combination optical colimated light system of lamps apparatus for vehicle |
| CN108758550A (en) * | 2018-06-22 | 2018-11-06 | 广州赛西标准检测研究院有限公司 | Auto lamp and lens |
| CN109519870A (en) * | 2018-12-28 | 2019-03-26 | 马瑞利汽车零部件(芜湖)有限公司 | Realize the optical system of uniformly light-emitting |
| CN109681843A (en) * | 2019-02-26 | 2019-04-26 | 华域视觉科技(上海)有限公司 | Car light mould group and the automobile for applying it |
| CN209688734U (en) * | 2019-05-13 | 2019-11-26 | 华域视觉科技(上海)有限公司 | Car light concentrator construction |
Non-Patent Citations (1)
| Title |
|---|
| 尹鹏;徐熙平;姜肇国;赵聪;: "扇形无漏光太阳能聚光器的设计方法", 光学学报, no. 02, 27 October 2017 (2017-10-27), pages 103 - 110 * |
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