CN108954211A - A kind of double lens car headlamp - Google Patents
A kind of double lens car headlamp Download PDFInfo
- Publication number
- CN108954211A CN108954211A CN201810524742.2A CN201810524742A CN108954211A CN 108954211 A CN108954211 A CN 108954211A CN 201810524742 A CN201810524742 A CN 201810524742A CN 108954211 A CN108954211 A CN 108954211A
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- China
- Prior art keywords
- lens
- barn door
- broadening
- luminescence unit
- reflecting mirror
- 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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- 238000004020 luminiscence type Methods 0.000 claims abstract description 45
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000005286 illumination Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000258971 Brachiopoda Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
-
- 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
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of double lens car headlamp, including broadening lamp group part and high beam component, the broadening lamp group part includes that the first luminescence unit and broadening lens, first luminescence unit are set to above the broadening lens trailing flank；The high beam component includes the second luminescence unit, reflecting mirror, barn door and distance light lens, barn door is provided on the medial surface of the distance light lens, the reflecting mirror is class ellipsoidal surface, including at least two elliptic focus, second luminescence unit is arranged on an elliptic focus of the reflecting mirror, the light reflection of second luminescence unit is concentrated to another elliptic focus of the reflecting mirror by the reflecting mirror, and light is dissipated outward by the distance light lens.Headlamp of the invention uses double lens, has widened the lateral light area of headlamp, has increased the brightness of transverse area, meanwhile, design difficulty is reduced, adjusting optical parameter is facilitated.
Description
Technical field
Design vehicle spare and accessory parts technical field of the present invention more particularly to a kind of double lens car headlamp.
Background technique
The performance major requirement of automobile dipped headlight includes two o'clock, first is that the good visibility in this lane, second is that not giving other side
The driver in lane causes light to interfere, and existing LED low-beam light has reflective and two kinds of projection-type, and projection-type can be in this lane
Clearly "cut-off"line is formed, but illumination region is not spacious wealthy enough, and increase illumination using bigger reflecting surface and lens
When region, the car light surface of emission needs to mark off more pockets, light type area that is complicated for operation cumbersome, and laterally broadening
Domain is not bright enough.
The patent of publication number CN107504427A discloses a kind of method and dress for improving the brightness of car headlamp 75R point
It sets, is to add a local enhancement reflecting surface in dipped beam car light mould group, the local enhancement reflecting surface is located at an ellipsoid
On, the ellipsoid is one oval using its long axis as the axis rotation obtained face of 180 degree, and the ellipse was located at the dipped beam
In the plane parallel with vehicle body Y datum plane of the low beam light source central point of car light mould group, elliptical first focus is located at
The low beam light source central point, elliptical second focus are located in the cut-off cable architecture of the dipped beam car light mould group and dipped beam
At the corresponding point of 75R test point, the local enhancement reflecting surface be arranged in the rear of low beam light source, the transverse it is upper
Side.The invention increases the surface of emission dedicated for improving 75R point, to improve the brightness of 75R point, the raising model of brightness
It encloses and is only limited to 75R point, and need expanded scope, it is also necessary to increase other reflectings surface, adjust complicated for operation and cumbersome.
Summary of the invention
The technical problem to be solved in the present invention is designed to provide a kind of double lens car headlamp, before solving vehicle
Laterally regional luminance is lower, the lesser problem of range for broadening for illuminator.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of double lens car headlamp, including broadening lamp group part and high beam component,
The broadening lamp group part includes that the first luminescence unit and broadening lens, first luminescence unit are set to described
It broadens above lens trailing flank；
The high beam component includes the second luminescence unit, reflecting mirror, barn door and distance light lens, the distance light lens
Medial surface on be provided with barn door, the reflecting mirror is class ellipsoidal surface, including at least two elliptic focus, second hair
Light unit is arranged on an elliptic focus of the reflecting mirror, and the reflecting mirror, which reflects the light of the second luminescence unit, to be concentrated
Extremely another elliptic focus of the reflecting mirror, and light is dissipated outward by the distance light lens.
Further, the broadening lens leading flank is rectangle, and opposite trailing flank is the cambered surface of protrusion.
Further, first luminescence unit is set at the upward 1mm in trailing flank center of the broadening lens.
Further, the barn door is arch bridge-type structure, and the both ends of barn door extend respectively to the distance light lens
On medial surface, and it is connect with the distance light lens.
Further, the second focus of the reflecting mirror is located on the barn door.
Further, at 15 ° of inclined-plane, the inclined-plane is tilted down downwards on the left of the upper side of the barn door
It is horizontal plane after 1.5mm, it is upward on the right side of the upper side of the barn door that the horizontal plane, which extends to one end of the barn door,
The inclined-plane of 5 ° of beveling, extends to the other end of the barn door.
Further, the barn door is dismountable.
Further, the distance light lens are hemispherical, and the lateral surface of the distance light lens is spherical surface, are set on the spherical surface
It is equipped with small crowning, constitutes annular pattern.
Using the present invention, transverse illumination region is widened by broadening lamp group part, using high beam component as hot spot, is increased
The brightness in transverse illumination region, meanwhile, design difficulty is reduced, adjusting optical parameter is facilitated.
Detailed description of the invention
Fig. 1 is a kind of partial schematic diagram of double lens car headlamp provided by one embodiment of the present invention；
Fig. 2 is a kind of broadening lamp component diagram of double lens car headlamp provided by one embodiment of the present invention；
Fig. 3 is a kind of showing for another direction of high beam component of double lens car headlamp of one embodiment of the invention
It is intended to；
Fig. 4 is a kind of broadening lamp group part light type effect of double lens car headlamp provided by one embodiment of the present invention
Figure；
Fig. 5 is a kind of high beam component light type effect of double lens car headlamp provided by one embodiment of the present invention
Figure；
Fig. 6 is a kind of light type effect picture of double lens car headlamp provided by one embodiment of the present invention；
Fig. 7 is a kind of high beam component light type effect of double lens car headlamp provided by one embodiment of the present invention
Figure；
In figure, 10, broadening lamp group part, the 101, first luminescence unit, 102, broadening lens, 20, high beam component, 201, the
Two luminescence units, 202, reflecting mirror, 203, barn door, 2031, barn door upper side, 204, distance light lens, 205, annular pattern.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
In the present invention, car headlamp includes two lens, broadens lens 102 and distance light lens 204, wherein broadening
Lens 102 and distance light lens 204 have respectively constituted broadening lamp group part 10 and high beam component 20.
It is to be appreciated that the application only retouches the structure of broadening lamp group part 10 and high beam component 20 in detail
It states, other structures of headlamp such as head lamp shell, pcb board, harness, radiator etc. are simultaneously not shown next, also without retouching
It states.
It is the lighting effect figure for broadening lamp group part 10 with reference to Fig. 4, Fig. 4, broadening lamp group part 10 is installed to car headlamp,
After being powered on by harness etc., the first luminescence unit 101 is worked normally, and generates light, and light is dissipated by broadening lens 102
Light area lateral together is formed afterwards.
It is the lighting effect figure of high beam component 20 with reference to Fig. 5, Fig. 5, before high beam component 20 equally installation to automobile
Illuminator, after being powered on by harness etc., the second luminescence unit 201 generates light, and light reflexes to shading by reflecting mirror 202
At plate 203, after barn door 203 shelters from the light of partial region, remaining light is formed in Fig. 5 by distance light lens 204
Lighting effect figure.
It is to be understood that the first luminescence unit 101, the second luminescence unit 201 in the present invention can be LED light source.
In the application, since there are two luminescence units, when the first reflecting unit 101 works independently, light type meets F3 grades
The statutory standard of front fog lamp can be used as front fog lamp, when the second luminescence unit 201 works independently, if getting rid of barn door 203,
Its light type meets the statutory standard of high beam, can be used as a high beam, and the subsequent light type by two luminescence units carries out
Detailed description.
With reference to the accompanying drawing, embodiments of the present invention are described in detail.
With reference to Fig. 1, the structure of broadening lamp group part 10 and high beam component 20 is shown in Fig. 1,
Broadening lamp group part 10 includes that the first luminescence unit 101 and broadening lens 102, the first luminescence unit 101 are set to
It broadens above 102 trailing flank of lens；
High beam component 20 includes the second luminescence unit 201, reflecting mirror 202, barn door 203 and distance light lens 204, institute
It states and is provided with barn door 203 on the medial surface of distance light lens 204, reflecting mirror 202 is class ellipsoidal surface, including at least two ellipses
Focus, the second luminescence unit 201 are arranged on an elliptic focus of reflecting mirror 202, and reflecting mirror 202 is by the second luminescence unit
201 light reflection is concentrated to another elliptic focus of reflecting mirror 202, and light is made to pass through distance light lens 204 to outgoing
It dissipates.
In the present embodiment, broadens lamp group part 10 and high beam component 20 is installed in car headlamp, the position of the two
Relationship can be adjusted according to different requirements, such as the two is arranged side by side side by side, but the respective light of the two should be avoided mutual
Interference.
First luminescence unit 101 and the second luminescence unit 201, may be implemented individually to control, in the first reflecting unit 101
When working independently, headlamp can be used as front fog lamp at this time, when the second reflecting unit 201 works independently, removed
It can be used as high beam after barn door 203, and when the two co-operation, it can effectively widen the cross of car headlamp
To light type, expand the visual field in transverse illumination region, while also increasing lateral light type regional luminance.
With reference to Fig. 5, when Fig. 5 is that the first luminescence unit 101 and the second luminescence unit 201 work at the same time, car headlamp
The light type effect picture of generation, lateral light type have widened the lighting area in automobile transverse area, and 201 energy of the second luminescence unit
Enough improve the brightness of 75R point.
By selecting different operating modes, it can be realized different illumination functions, facilitate driver according to different feelings
Condition selects.
In the present embodiment, the second focus of reflecting mirror 202 is located on barn door 203.
As shown in Figure 1, reflecting mirror 202 is similar to a part of oval ball, at least there are two focus, first focuses
On be provided with the second luminescence unit 201, the second luminescence unit 201 generates light at work, and light is anti-by reflecting mirror 202
It penetrates after face, is concentrated in another focus by reflection, and another focus is located on barn door 203, enable barn door 203
Enough to block to some light, remaining light not blocked then passes through distance light lens 204 and exhales.
By the subregional light of 203 occlusion part of barn door, so that light is by that can generate one after distance light lens 204
The "cut-off"line that 15 ° of item improves the brightness of fixed illumination region.
It is the schematic diagram in 20 another direction of high beam component with reference to Fig. 3, Fig. 3.
Barn door 203 is arch bridge-type structure, and the both ends of barn door 203 extend respectively on the medial surface of distance light lens 204,
And it is connect with distance light lens 204.
For downwards at 15 ° of inclined-plane on the left of the upper side 2031 of barn door 203, the inclined-plane tilt down 1.5mm after be
Horizontal plane, horizontal plane extend to one end of barn door 203, are the oblique of upward 5 ° of beveling on the right side of the upper side 2031 of barn door 203
Face extends to the other end of barn door 203.
Wherein, when light passes through barn door 203, the light of partial region is blocked by barn door 203, forms a light and shade
Dead line, the purpose that the left side of 203 upper side of barn door is designed in this way are to make it possible to be formed one and slope slightly downward
"cut-off"line reduces the bright of 25L point and 50R point so that barn door 203 blocks some light of 25L point and 50R point
Degree.
The purpose that the right side of 203 upper side of barn door is designed in this way is to can be improved the brightness of 75R point.
It is to be appreciated that the illumination at 25L point expression vehicle left front 25m, unit lx, similarly, 50R point, 75R
Point.
When with reference to Fig. 5, Fig. 5 being that high beam component 20 works independently, the light type effect picture of generation.
Meanwhile barn door 203 is dismountable.
After high beam component 20 removes barn door 203, the statutory standard of high beam can be reached, so that working as automobile
When the high beam component 20 of headlamp works independently, it can be used as high beam.
With reference to the light type figure that Fig. 7, Fig. 7 are after high beam component 20 removes barn door 203, when working independently.
It is the structural schematic diagram for broadening lamp group part 10, including the first luminescence unit 101 and broadening lens with reference to Fig. 2, Fig. 2
102。
Wherein, the first luminescence unit 101 can be LED light source.
It is the work light type figure for broadening lamp group part 10 with reference to Fig. 4, Fig. 4.
It is mounted in car headlamp in broadening lamp group part 10, after powering on, the first luminescence unit 101 is started to work,
It emits beam, after the broadening lens 102 that light passes through front, diverging forms a lateral light type, thus before having widened automobile
The transverse illumination region of side.
In the present embodiment, broadening 102 leading flank of lens is rectangle, and opposite trailing flank is the cambered surface of protrusion.
In the application, leading flank and trailing flank are determined according to the first luminescence unit 101, i.e. the first luminescence unit
101 are located at the trailing flank of broadening lens 102.
Trailing flank is the cambered surface of protrusion, the light that the first luminescence unit 101 is generated it is horizontal straight from front side
The rectangular surfaces in face, which exhale, to be come, to form a rectangular lateral light type.
In the present embodiment, the first luminescence unit 101 is set at the upward 1mm in trailing flank center of broadening lens 102.
As shown in Fig. 2, there is a central point in the trailing flank of broadening lens 102, the first luminescence unit 101 is set to the central point
At the 1mm of top, the first light for giving out light the generation of unit 101 passes through the trailing flank of broadening lens 102, exhales to come from leading flank.
First luminescence unit 101 is set to above the central point at 1mm, its object is to formed one can satisfy before
The light type of fog lamp statutory standard, the lateral light type width of the light type are ± 40 °, longitudinal from -6 ° to 0 °.
Simultaneously, additionally it is possible to guarantee 25L point, the brightness at 25R point, enable and make when broadening lamp group part 10 and working independently
For dipped headlight use, conveniently switch over.
In the present embodiment, distance light lens 204 are hemispherical, and the lateral surface of distance light lens 204 is spherical surface, are provided on spherical surface
Small crowning constitutes annular pattern 205.
As shown in Figure 1, annular pattern 205 is arranged on the lateral surface of distance light lens 204, distance light lens 204 are enabled to
The light of middle concentration scatters, and forms a biggish light type, increases illumination region, and the light not scattered is then capable of forming brightness
Higher lighting point.
Increase broadening lamp group part and high beam component in car headlamp, widens lateral light by broadening lamp group part
Type, so that automobile can have broader illumination region in the process of moving, and high beam component is capable of providing fixed position point more
High brightness, when the two works at the same time, so that vehicle front illumination region is wider, brighter, and the two can work independently, exhibition
Wide lamp group part can be as front fog lamp when working independently, and high beam component can use after removing barn door as high beam, make
User more convenient according to the actual situation can select.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of double lens car headlamp, which is characterized in that including broadening lamp group part and high beam component,
The broadening lamp group part includes that the first luminescence unit and broadening lens, first luminescence unit are set to the broadening
Above lens trailing flank；
The high beam component include the second luminescence unit, reflecting mirror, barn door and distance light lens, the distance light lens it is interior
Barn door is provided on side, the reflecting mirror is class ellipsoidal surface, including at least two elliptic focus, and described second is luminous single
Member is arranged on an elliptic focus of the reflecting mirror, and the light reflection of the second luminescence unit is concentrated to institute by the reflecting mirror
Another elliptic focus of reflecting mirror is stated, and light is dissipated outward by the distance light lens.
2. a kind of double lens car headlamp according to claim 1, which is characterized in that the broadening lens leading flank is
Rectangle, opposite trailing flank are the cambered surface of protrusion.
3. a kind of double lens car headlamp according to claim 1, which is characterized in that the first luminescence unit setting
At the upward 1mm in trailing flank center of the broadening lens.
4. a kind of double lens car headlamp according to claim 1, which is characterized in that the barn door is arch bridge type knot
Structure, the both ends of barn door extend respectively on the medial surface of the distance light lens, and connect with the distance light lens.
5. a kind of double lens car headlamp according to claim 1 or 4, which is characterized in that the second of the reflecting mirror
Focus is located on the barn door.
6. a kind of double lens car headlamp according to claim 1 or 4, which is characterized in that the upside of the barn door
Left side of face is downwards at 15 ° of inclined-plane, and the inclined-plane tilts down for horizontal plane after 1.5mm, and the horizontal plane extends to described
The upper side right side of one end of barn door, the barn door is the inclined-plane of 5 ° of beveling upwards, extends to the another of the barn door
End.
7. a kind of double lens car headlamp according to claim 4, which is characterized in that the barn door is detachable
's.
8. a kind of double lens car headlamp according to claim 1, which is characterized in that the distance light lens are hemisphere
Shape, the lateral surface of the distance light lens are spherical surface, and small crowning is provided on the spherical surface, constitutes annular pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524742.2A CN108954211A (en) | 2018-05-28 | 2018-05-28 | A kind of double lens car headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524742.2A CN108954211A (en) | 2018-05-28 | 2018-05-28 | A kind of double lens car headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108954211A true CN108954211A (en) | 2018-12-07 |
Family
ID=64492289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810524742.2A Pending CN108954211A (en) | 2018-05-28 | 2018-05-28 | A kind of double lens car headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954211A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207065A (en) * | 2019-06-27 | 2019-09-06 | 浙江亮心汽车部件有限公司 | A kind of small-sized light-guiding type dipped beam projective module group and the lamp group using the mould group |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926771A (en) * | 2017-03-23 | 2017-07-07 | 奇瑞汽车股份有限公司 | Vehicle front lighting lamp system and its control method |
| CN108050482A (en) * | 2017-12-07 | 2018-05-18 | 上海小糸车灯有限公司 | A kind of projecting unit of projection-type headlight for vehicles and its lower beam illumination system |
-
2018
- 2018-05-28 CN CN201810524742.2A patent/CN108954211A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926771A (en) * | 2017-03-23 | 2017-07-07 | 奇瑞汽车股份有限公司 | Vehicle front lighting lamp system and its control method |
| CN108050482A (en) * | 2017-12-07 | 2018-05-18 | 上海小糸车灯有限公司 | A kind of projecting unit of projection-type headlight for vehicles and its lower beam illumination system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207065A (en) * | 2019-06-27 | 2019-09-06 | 浙江亮心汽车部件有限公司 | A kind of small-sized light-guiding type dipped beam projective module group and the lamp group using the mould group |
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Application publication date: 20181207 |