CN108278572A - The double optical lens automobile fronts of LED bifocus - Google Patents
The double optical lens automobile fronts of LED bifocus Download PDFInfo
- Publication number
- CN108278572A CN108278572A CN201810155183.2A CN201810155183A CN108278572A CN 108278572 A CN108278572 A CN 108278572A CN 201810155183 A CN201810155183 A CN 201810155183A CN 108278572 A CN108278572 A CN 108278572A
- Authority
- CN
- China
- Prior art keywords
- light source
- substrate
- lens
- beam light
- bifocal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- 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]
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention belongs to lighting device for vehicle technical fields, provide a kind of double optical lens automobile fronts of LED bifocus.The present invention includes radiator, low beam light source, high-beam light source and bifocal lens；Radiator includes substrate, barn door and several cooling fins, substrate level setting, and barn door raises up setting in the front end edge of substrate, and cooling fin is uniformly arranged the upper and lower end face at substrate rear portion；Low beam light source is arranged in the upper surface of substrate, and high-beam light source is arranged in the lower surface of substrate；Bifocal lens is arranged in the front of barn door, and the focal length of the top half of bifocal lens is less than the focal length of lower half portion；The lens focus and barn door for the dipped beam focus, bifocal lens lower half portion that low beam light source is reflected to form through dipped beam reflector overlap, the distance light focus that high-beam light source is reflected to form through distance light reflector is overlapped with the lens focus of bifocal lens top half, may be implemented dipped beam have apparent "cut-off"line simultaneously distance light have enough brightness technique effects.
Description
Technical field
The present invention relates to lighting device for vehicle technical fields, and in particular to big before a kind of double optical lens automobiles of LED bifocus
Lamp.
Background technology
Double optical lens are chiefly used in the headlight that nearly distance light shares a light source, and there are one anti-dazzling screen, distance-lights inside headlight
It is that realization is moved up and down by anti-dazzling screen.Anti-dazzling screen is typically all Z-shaped "cut-off"line, so the light projected is all
It is to have fairly regular neat "cut-off"line, since our vehicles are the relationships of left rudder, the namely light and shade of falling Z-shaped projected is cut
Only line.Z-shaped "cut-off"line can improve safety, the lower car that can not influence opposite of left side light, the right light
High point can shine more pedestrians.
A kind of double optical lens modules and headlight for vehicles are disclosed in the patent document that publication No. is CN107461700A, it should
Scheme uses horizontally disposed substrate, and low beam light source and high-beam light source are respectively set in substrate upper and lower end face, low beam light source and remote
Lens projects of the radiant by different reflectors by light forwardly, low beam light source and high-beam light source work independently from each other,
The switching of nearly distance light is realized by the open and close of high-beam light source.Dipped beam light reflects away from the lower half portion of lens, distance light
Light reflects away from the top half of lens, is reflected by the same lens due to being all, therefore it is required that low beam light source and remote
The focus of the reflector refraction of radiant is same position, i.e., when actual use, anti-dazzling screen is blocking low beam light source throwing
While the light penetrated also can shield portions, in turn result in open high-beam light source when there is shadow region, influence distant light irradiation
Effect.
Invention content
For the defects in the prior art, the present invention provides LED bifocus double optical lens automobile fronts, realizes bifocal
Far and near two focuses being staggered of the appearance of lens so that dipped beam has apparent "cut-off"line, and distance light has enough brightness simultaneously.
In order to achieve the above objectives, the double optical lens automobile fronts of LED bifocus provided by the invention, including it is radiator, close
Radiant, high-beam light source and bifocal lens；The radiator includes substrate, barn door and several cooling fins, the substrate level
Setting, the barn door raise up setting in the front end edge of the substrate, and the cooling fin is uniformly arranged at substrate rear portion
Upper and lower end face；The low beam light source is arranged in the upper surface of the substrate, and the low beam light source top is covered with for opening forward
Dipped beam reflector, the high-beam light source is arranged is covered with opening forward below the lower surface of the substrate, the high-beam light source
Distance light reflector；The bifocal lens is arranged in the front of the substrate, and the focal length of the top half of the bifocal lens is small
Focal length in lower half portion；Dipped beam focus that the low beam light source is reflected to form through dipped beam reflector, bifocal lens lower half portion
Lens focus and barn door overlap, distance light focus that the high-beam light source is reflected to form through distance light reflector on bifocal lens
The lens focus of half part overlaps.
The technical principle of this programme is as follows：
When using dipped headlight, only low beam light source is opened, and when using high beam, opens simultaneously low beam light source and remote
Radiant.
The lens focus of dipped beam focus, bifocal lens lower half portion that the low beam light source is reflected to form through dipped beam reflector
It is overlapped with barn door, therefore the light of dipped beam reflector reflection can be blocked a part.
Since the focal length of the top half of bifocal lens is less than the focal length of lower half portion, the top half of bifocal lens
Focus it is more farther than the end edge of the focal length barn door of lower half portion, i.e., comparatively distance light reflector reflection light it is very big by one
Part will not all be blocked by barn door, will have enough light to be reflected away from the top half of bifocal lens, finally from lens
The distance light brightness bigger reflected away is more sufficient.
The technique effect of this programme is as follows：This programme shortens the focal length of bifocal lens top half, so that under
The focus of half part detaches, therefore the light of distance light reflector reflection can have the more top half refraction by bifocal lens
It goes out, higher brightness is provided.Last effect, which reaches dipped headlight, clearly "cut-off"line, and high beam can reach foot
Enough brightness improves safety and the comfort of driving；The transformation of nearly distance light is realized instead of traditional window plate mechanical movement,
Independent instant and near light operating mode without baffle switching mechanism, parts are less, productivity is high, parts machining assembly precision more
Add precisely, eliminates mechanical faults；Far/dipped beam is designed using bifocus, double lens, reduces product difficulty of processing, substantially
Assembly technology is simplified, structure is simplified.Two light sources are set, greatly reduces electric load in this way and local temperature is excessively high asks
Topic.
Further, only wherein half sets up the barn door, therefore substrate and barn door to the front end edge of the substrate
Height difference will occur in dipped beam light blocked or so, and then provide the Z-shaped "cut-off"line as tradition machinery barn door,
Improve the safety driven and comfort.
Further, the rear surface of the bifocal lens top half or front surface are equipped with distance light convex curvature, realize saturating
The bi-focal function of mirror.
Further, the rear surface of the bifocal lens lower half portion is equipped with dipped beam concave curved surface, realizes the bi-focal of lens
Function.
Further, the dipped beam reflector is fixed by screws in the upper surface of base plate, and the distance light reflector passes through
Screw is fixed on the base lower surface, and dipped beam reflector and distance light reflector are all fixed on substrate, improves whole strong
Degree.
Further, further include having ring support, the bifocal lens is inlaid in the ring support, the barn door
Front end both sides are equipped with lens fixed frame, which connect with the ring support is fixed bifocal lens, improve
The intensity of the integraty of bifocal lens.
Further, the low beam light source is 1 18 watts of LED chip, and the high-beam light source is 1 10 watts of LED chip, is convenient for
Light-source brightness colour temperature etc. is flexibly controlled.
Further, radiator is integrally formed, and convenient for radiating to the light source being disposed on the substrate, improves integral heat sink effect
Fruit.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is that the embodiment of the present invention 1 provides explosive view；
Fig. 2 is the schematic diagram that the embodiment of the present invention 1 provides；
Fig. 3 is the structural schematic diagram of embodiment 1 radiator and barn door；
Fig. 4 is the bifocal lens structural schematic diagram of embodiment 2；
Fig. 5 is the bifocal lens structural schematic diagram of embodiment 3.
Reference numeral：
1- substrates；2- cooling fins；3- dipped beam reflectors；4- distance light reflectors；5- low beam light sources；6- high-beam light sources；7- is bis-
Focus lens；8- distance light convex curvatures；9- ring supports；10- dipped beam concave curved surfaces；11- barn doors；12- lens fixed frames.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be only used as example, and the protection model of the present invention cannot be limited with this
It encloses.It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application are should be belonging to the present invention
The ordinary meaning that field technology personnel are understood.
Embodiment 1：
The embodiment of the present invention includes radiator, low beam light source 5, high-beam light source 6 and bifocal lens 7；
Radiator is integrally formed, and the radiator includes substrate 1, barn door 11 and several cooling fins 2,1 water of the substrate
Flat setting, the barn door 11 raise up setting in the front end edge of the substrate 1, the front end edge of substrate 1 only wherein half to
The upper setting barn door 11, therefore barn door 11 forms the side of Z-type in the light path of dipped beam, with traditional double optical lens shapes
At light edge it is the same, Z-type "cut-off"line improves safety and the comfort of driving, and the cooling fin 2 is uniformly arranged
The upper and lower end face at 1 rear portion of substrate, convenient for radiating to substrate 1；
Dipped beam reflector 3 is fixed by screws in 1 upper surface of substrate, and 5 top of low beam light source is covered with for opening forward close
Light reflector 3, high-beam light source 6 are arranged in the lower surface of substrate 1, and it is reflective that 6 lower section of high-beam light source is covered with distance light for opening forward
Bowl 4, distance light reflector 4 is fixed by screws in 1 lower surface of substrate.
Bifocal lens 7 is arranged in the front of substrate 1, further includes having ring support 9, bifocal lens 7 is inlaid in ring support 9
Interior, the front end both sides of substrate 1 are equipped with lens fixed frame 12, the lens fixed frame 12 connect with ring support 9 to bifocal lens 7 into
Row is fixed.The focal length of the top half of bifocal lens 7 is less than the focal length of lower half portion, and curvature of curved surface is than 7 lower half of bifocal lens
The curvature of part convex surface is big, and 7 distance light of bifocal lens is made to shorten using the focal length of part (top), and retrofocus is (close to lens
Direction), realize the separated function in instant and near light focal position.The rear surface of 7 top half of bifocal lens is equipped with distance light convex curvature
8, therefore the focus of the top half of bifocal lens 7 is more farther than the end edge of the focal length barn door 11 of lower half portion, i.e., relatively
For the light that reflects of distance light reflector 4 greatly will not all be blocked by barn door 11, this programme is by 7 first half of bifocal lens
The focal length divided shortens, so that the focus with lower half portion detaches, therefore the light that distance light reflector 4 reflects can be more
It is reflected away by the top half of bifocal lens, higher brightness is provided.
The lens focus of dipped beam focus, 7 lower half portion of bifocal lens that low beam light source 5 is reflected to form through dipped beam reflector 3
It is overlapped with barn door 11, therefore the light that dipped beam reflector 3 reflects can be blocked a part, and then forms in white and black light and shade and cut
Only line.The lens focus weight of distance light focus and 7 top half of bifocal lens that high-beam light source 6 is reflected to form through distance light reflector 4
It closes.
In specific implementation, bifocal lens 7 further includes having other two ways, be all upper and lower two have part ownership it is different
Focal length realizes the separated function in instant and near light focal position.Other two kinds as follows：
Embodiment 2：
As shown in figure 4,7 front surface top half of bifocal lens is distance light convex curvature 8, bifocal lens distance light is made to use portion
The focal length on (top) is divided to shorten, retrofocus (close to lens direction) realizes the separated function in instant and near light focal position.
Embodiment 3：
As shown in figure 5,7 rear surface lower half portion of bifocal lens is dipped beam concave curved surface 10, lens dipped beam is made to use part
The focal length of (lower part) is elongated, and the separated function in instant and near light focal position is realized in focus Forward (far from lens direction).
With top-surface camber include spherical surface or quadratic surface or multinomial is aspherical or free form surface etc. can realize that the focal length of lens becomes
Curved surface that is long or shortening.
In the specification of the present invention, numerous specific details are set forth.It is to be appreciated, however, that the embodiment of the present invention can be with
It puts into practice without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (8)
1. a kind of double optical lens automobile fronts of bifocus, which is characterized in that including radiator, low beam light source (5), high-beam light source
(6) and bifocal lens (7)；
The radiator includes substrate (1), barn door (11) and several cooling fins (2), and the substrate (1) is horizontally disposed, described
Barn door (11) raises up setting in the front end edge of the substrate (1), and the cooling fin is uniformly arranged in the upper of substrate rear portion
Lower face；
The low beam light source (5) setting be covered with above the upper surface of the substrate (1), the low beam light source (5) opening to
Preceding dipped beam reflector (3), the high-beam light source (6) are arranged under the lower surface of the substrate (1), the high-beam light source (6)
Side is covered with distance light reflector (4) for opening forward；
The bifocal lens (7) is arranged in the front of the substrate (1), and the focal length of the top half of the bifocal lens (7) is small
Focal length in lower half portion；
Dipped beam focus that the low beam light source (5) reflects to form through dipped beam reflector (3), bifocal lens (7) lower half portion it is saturating
Mirror foci and barn door (11) overlap, the distance light focus and bifocal that the high-beam light source (6) reflects to form through distance light reflector (4)
The lens focus of lens (7) top half overlaps.
2. the double optical lens automobile fronts of bifocus according to claim 1, which is characterized in that before the substrate (1)
Only wherein half sets up the barn door (11) to end edge.
3. the double optical lens automobile fronts of bifocus according to claim 1 or 2, which is characterized in that the bifocal is saturating
The rear surface or front surface of mirror (7) top half are equipped with distance light convex curvature (8).
4. the double optical lens automobile fronts of bifocus according to claim 1 or 2, which is characterized in that the bifocal is saturating
The rear surface of mirror (7) lower half portion is equipped with dipped beam concave curved surface (10).
5. the double optical lens automobile fronts of bifocus according to claim 1 or 2, which is characterized in that the dipped beam is anti-
Light bowl (3) is fixed by screws in the substrate (1) upper surface, and the distance light reflector (4) is fixed by screws in the base
Plate (1) lower surface.
6. the double optical lens automobile fronts of bifocus according to claim 1 or 2, which is characterized in that further include having ring
Shape holder (9), the bifocal lens (7) are inlaid in the ring support (9), and the front end both sides of the substrate (1) are equipped with thoroughly
Mirror fixed frame, which connect with the ring support (9) is fixed bifocal lens (7).
7. the double optical lens automobile fronts of bifocus according to claim 1 or 2, which is characterized in that the dipped beam light
Source (5) is 1 18 watts of LED chip, and the high-beam light source (6) is 1 10 watts of LED chip.
8. the double optical lens automobile fronts of bifocus according to claim 1 or 2, which is characterized in that the radiator
It is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155183.2A CN108278572A (en) | 2018-02-23 | 2018-02-23 | The double optical lens automobile fronts of LED bifocus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155183.2A CN108278572A (en) | 2018-02-23 | 2018-02-23 | The double optical lens automobile fronts of LED bifocus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108278572A true CN108278572A (en) | 2018-07-13 |
Family
ID=62808501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810155183.2A Pending CN108278572A (en) | 2018-02-23 | 2018-02-23 | The double optical lens automobile fronts of LED bifocus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108278572A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519864A (en) * | 2018-11-28 | 2019-03-26 | 安徽康沃车灯科技有限公司 | A kind of reflective half cup of vehicle front lighting headlight system |
| CN109539167A (en) * | 2018-11-28 | 2019-03-29 | 安徽康沃车灯科技有限公司 | A kind of vehicle front lighting headlight system |
| CN109654451A (en) * | 2018-12-28 | 2019-04-19 | 广东晶科电子股份有限公司 | A kind of LED car lamp of convertible lamp-type |
| CN109855043A (en) * | 2019-03-22 | 2019-06-07 | 华域视觉科技(上海)有限公司 | Small opening mould group, car light and vehicle |
| CN110285384A (en) * | 2019-07-26 | 2019-09-27 | 重庆天华照明有限公司 | A kind of upper beam source component, cooling mechanism, darkening mechanism, headlamp |
| WO2020211796A1 (en) * | 2019-04-16 | 2020-10-22 | 华域视觉科技(上海)有限公司 | High/low beam headlight structure for automobile lamps and lighting device having integrated high/low beams |
| CN111981433A (en) * | 2019-05-22 | 2020-11-24 | 朱国强 | Convex lens for spherical surface-shared bifocal car lamp |
| CN112113181A (en) * | 2019-06-19 | 2020-12-22 | 株式会社小糸制作所 | Lamp unit |
| CN113864727A (en) * | 2021-10-14 | 2021-12-31 | 佛山市禅阳光电科技有限公司 | High-low beam compound focus optical system |
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| CN207849252U (en) * | 2018-02-23 | 2018-09-11 | 重庆舜辉庆驰光电科技有限公司 | The double optical lens automobile fronts of LED bifocus |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519864A (en) * | 2018-11-28 | 2019-03-26 | 安徽康沃车灯科技有限公司 | A kind of reflective half cup of vehicle front lighting headlight system |
| CN109539167A (en) * | 2018-11-28 | 2019-03-29 | 安徽康沃车灯科技有限公司 | A kind of vehicle front lighting headlight system |
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| CN109654451A (en) * | 2018-12-28 | 2019-04-19 | 广东晶科电子股份有限公司 | A kind of LED car lamp of convertible lamp-type |
| CN109855043A (en) * | 2019-03-22 | 2019-06-07 | 华域视觉科技(上海)有限公司 | Small opening mould group, car light and vehicle |
| WO2020211796A1 (en) * | 2019-04-16 | 2020-10-22 | 华域视觉科技(上海)有限公司 | High/low beam headlight structure for automobile lamps and lighting device having integrated high/low beams |
| CN111828928A (en) * | 2019-04-16 | 2020-10-27 | 华域视觉科技(上海)有限公司 | Far/near light structure and far/near light integrated lighting device for car light |
| CN111981433A (en) * | 2019-05-22 | 2020-11-24 | 朱国强 | Convex lens for spherical surface-shared bifocal car lamp |
| CN112113181A (en) * | 2019-06-19 | 2020-12-22 | 株式会社小糸制作所 | Lamp unit |
| CN110285384A (en) * | 2019-07-26 | 2019-09-27 | 重庆天华照明有限公司 | A kind of upper beam source component, cooling mechanism, darkening mechanism, headlamp |
| CN113864727A (en) * | 2021-10-14 | 2021-12-31 | 佛山市禅阳光电科技有限公司 | High-low beam compound focus optical system |
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