CN108758546A - Dipped beam lamp reflector, dipped beam car light and automobile - Google Patents
Dipped beam lamp reflector, dipped beam car light and automobile Download PDFInfo
- Publication number
- CN108758546A CN108758546A CN201810899808.6A CN201810899808A CN108758546A CN 108758546 A CN108758546 A CN 108758546A CN 201810899808 A CN201810899808 A CN 201810899808A CN 108758546 A CN108758546 A CN 108758546A
- Authority
- CN
- China
- Prior art keywords
- dipped beam
- light source
- echo area
- lamp reflector
- reflecting surface
- 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.)
- Pending
Links
- 230000001154 acute effect Effects 0.000 claims description 6
- 235000008429 bread Nutrition 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000000126 substance Substances 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- 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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- 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
- 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)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of dipped beam lamp reflector, dipped beam car light and automobiles, belong to car light and match optical arena.A kind of dipped beam lamp reflector, the speculum have the reflecting surface of paraboloid of revolution system；The reflecting surface includes three echo areas, and three echo areas are respectively the first echo area for forming 15 ° of dead lines, form the second echo area of horizontal cut line and form the third echo area of light type broadening；A dipped beam light distribution patterns are ultimately formed after the light source picture superposition that light source is formed by each echo area.The present invention the distance between lower boundary can meet light distribution patterns and correspond to the requirement of regulation on the mirror in the case of being less than 25mm.
Description
Technical field
The present invention relates to car lights to match optical arena, more particularly to a kind of dipped beam lamp reflector, dipped beam car light and automobile.
Background technology
In recent years, it in the lamps apparatus for vehicle such as vehicle taillight, headlamp, is used for power saving and high-durability
The semiconductor light-emitting elements such as LED.There are mainly two types of the forms for forming dipped beam on car light using LED light source at present, projection-type and anti-
Penetrate formula；Projection-type LED dipped beams have the features such as compact-sized, road surface uniform in effect, compare down, and reflective dipped beam then has moulding
It is changeable, it is of low cost the features such as, in it is low in vehicle using more extensive.Traditional reflecting LED dipped beam is in order to meet national standard
Laws and regulations requirement, upper and lower opening is probably in 40mm or so, and which greatly limits the moulding of car light.
If using traditional method upper and lower size reduction to half size, corresponding regulation and light distribution numerical value are just
It cannot be satisfied.
Invention content
It is an object of the invention in view of the above-mentioned problems, provide a kind of dipped beam lamp reflector, dipped beam car light and automobile,
The size of car light can be reduced and meet light distribution requirements.
The object of the present invention is achieved like this：
A kind of dipped beam lamp reflector, the speculum have the reflecting surface of paraboloid of revolution system；The reflecting surface includes
Three echo areas, three echo areas are respectively the first echo area for forming 15 ° of dead lines, form the second of horizontal cut line
Echo area and the third echo area for forming light type broadening；It is ultimately formed after the light source picture superposition that light source is formed by each echo area
One dipped beam light distribution patterns.
Preferably, the vertical range between the reflecting surface up-and-down boundary is no more than 25mm.
Preferably, first echo area and second echo area are respectively arranged at the center line two of the reflecting surface
It is the third echo area on the outside of side, first echo area and second echo area.
The invention also discloses a kind of dipped beam car lights, including aforementioned any dipped beam lamp reflector.
Preferably, the dipped beam car light further includes LED light source and radiator；The LED light source is mounted on the light of radiator
On the mounting plane of source, reflecting surface and the LED light source of the dipped beam lamp reflector are oppositely arranged, with incidence from described
The light of LED light source, LED light source described in the second echo area face of the reflecting surface, the LED light source and the dipped beam car light are anti-
It penetrates at an acute angle between line and the light source mounting plane of the mirror between the boundary point of the LED light source.
Preferably, the angular range of the acute angle is 15 ° -30 °.
Preferably, the radiator is needle wing radiator.
The invention also discloses a kind of automobile, the automobile includes aforementioned any dipped beam car light.
Preferably, after the dipped beam car light is installed to the automobile, the dipped beam lamp reflector in the dipped beam car light
Paraboloid of revolution system reflecting surface rotary shaft along the automobile front-rear direction extend.
Beneficial effects of the present invention are：The distance between lower boundary it can meet in the case of being less than 25mm on the mirror
The requirement of light distribution patterns and corresponding regulation.
Description of the drawings
Fig. 1 is the front three-dimensional structure diagram of dipped beam car light of the present invention；
Fig. 2 is the schematic diagram of the different echo areas of dipped beam car light of the present invention；
Fig. 3 is the side three-dimensional structure diagram of dipped beam car light of the present invention；
Fig. 4 is the sectional view centered on LED light source of dipped beam car light of the present invention；
Fig. 5 is that the light of the first echo area of dipped beam car light of the present invention reflects schematic diagram；
Fig. 6 is the position view of the LED light source image of the first echo area of dipped beam car light of the present invention on a vertical plane；
Fig. 7 is that the light of the second echo area of dipped beam car light of the present invention reflects schematic diagram；
Fig. 8 is the position view of the LED light source image of the second echo area of dipped beam car light of the present invention on a vertical plane；
Fig. 9 is that the light of the third echo area of dipped beam car light of the present invention reflects schematic diagram；
Figure 10 is the position view of the LED light source image of the third echo area of dipped beam car light of the present invention on a vertical plane.
Specific implementation mode
With reference to specific embodiments and the drawings, the present invention is further explained, but does not therefore limit the present invention to institute
Among the scope of embodiments stated.
As shown in Figure 1 with Figure 2, a kind of dipped beam car light, including radiator 10, LED light source 20 and dipped beam lamp reflector
30。
Wherein, dipped beam lamp reflector 30 has the reflecting surface of paraboloid of revolution system, hanging down between reflecting surface up-and-down boundary
Straight distance is can be controlled in no more than in the range of 25mm.As shown in Fig. 2, the reflecting surface includes three echo areas, respectively shape
Third at the first echo area 31 of 15 ° of dead lines, the second echo area 32 of formation horizontal cut line and formation light type broadening is anti-
Penetrate area 33.First echo area 31 and the second echo area 32 are respectively arranged at the center line both sides of the reflecting surface, i.e., such as institute in Fig. 2
Showing, the first echo area 31 and the second echo area 32 are disposed adjacent, and the first echo area 31 is located at the left side of reflecting surface center line, and
Two echo areas 32 are located at the right side of reflecting surface center line.The outside of first echo area 31 and the second echo area 32 is third reflection
Area 33, i.e., as shown in Figure 2, the right side of the left side of the first echo area 31 and the second echo area 32 is third echo area 33.Light
Source is folded by the light source picture that each echo area (referring to through the first echo area 31, the second echo area 32 and third echo area 33) is formed
A dipped beam light distribution patterns may finally be formed after adding.
As shown in Fig. 3 combinations Fig. 4, LED light source 20 is mounted on the light source mounting plane of radiator 10, the reflection of dipped beam car light
The reflecting surface of mirror 30 is oppositely arranged with LED light source 20, with light of the incidence from the LED light source 20；Such as such as Fig. 3 and Fig. 4 institutes
Show, LED light source 20 is upper, and for dipped beam lamp reflector 30 under, the direction of illumination of LED light source 20 downward, but is not excluded for other peaces
Dress mode.As shown in Figure 1, the 32 face LED light source 20 of the second echo area of reflecting surface.As shown in figure 4, LED light source 20 and dipped beam
Line of the lamp reflector 30 between the boundary point of LED light source 20 and at acute angles theta, acute angle between light source mounting plane
The angular range of θ controls between 15 ° -30 °, to improve the utilization ratio of LED light source 20.
LED light source 20 can be made of a LED light of encapsulation, such as be matched comprising (such as vehicle width direction) in the horizontal direction
It is set to multiple (such as 2) LED chips of a row and is configured to cover the fluorophor of the light-emitting surface of multiple LED chips.LED
Light source 20 sends out white light (pseudo- white), which is to cross what fluorescent powder obtained by the light transmission from multiple LED chips.
When aforementioned dipped beam car light is installed to automobile, the rotation of the dipped beam lamp reflector 30 in dipped beam car light is usually required that
The rotary shaft for turning the reflecting surface of paraboloid system extends along the front-rear direction of the automobile.Reflecting surface 30 is by by LED light source 20
Before multiple light sources picture (light source picture is the picture that LED light source is reflected by multiple echo areas on reflecting surface) projects to automobile
Side, forms dipped beam light distribution patterns on the screen of front, which includes horizontal cut line area (by the second reflection
Area is formed), 15 degree of dead line areas (being formed by the first echo area) and profile region (being formed by third echo area).
The function declaration of each echo area is as follows：
It is illustrated in figure 5 the first echo area 31 and schematic diagram is reflected to the light of LED light source 20, the first echo area 31 is located at
The light source picture in the left side of LED light source 20, reflection forms 15 degree of dead lines as shown in Figure 6.
It is illustrated in figure 7 the second echo area 32 and schematic diagram is reflected to the light of LED light source 20, the second echo area 32 is located at
The light source picture in the following position directly of LED light source 20 and right positions region, reflection forms horizontal cut line as shown in Figure 8.
It is illustrated in figure 9 third echo area 33 and schematic diagram is reflected to the light of LED light source 20, third echo area 33 is located at
The light source picture of the both sides of the edge band of position of LED light source 20, reflection forms the light type profile of opening as shown in Figure 10.
After reflection of the LED light source 20 by three echo areas, so that it may to form dipped beam light distribution on vehicle front screen
Pattern.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (9)
1. a kind of dipped beam lamp reflector, which is characterized in that the speculum has the reflecting surface of paraboloid of revolution system；It is described anti-
It penetrates bread and contains three echo areas, three echo areas are respectively the first echo area for forming 15 ° of dead lines, form horizontal cut
Second echo area of line and the third echo area for forming light type broadening；After light source is superimposed by the light source picture that each echo area is formed
Ultimately form a dipped beam light distribution patterns.
2. dipped beam lamp reflector according to claim 1, which is characterized in that hanging down between the reflecting surface up-and-down boundary
Straight distance is no more than 25mm.
3. dipped beam lamp reflector according to claim 1 or 2, which is characterized in that first echo area and described
Two echo areas are respectively arranged at the center line both sides of the reflecting surface, the outside of first echo area and second echo area
It is the third echo area.
4. a kind of dipped beam car light, which is characterized in that including any dipped beam lamp reflector in claim 1-3.
5. dipped beam car light according to claim 4, which is characterized in that further include LED light source and radiator；The LED light
Source is mounted on the light source mounting plane of radiator, and the reflecting surface of the dipped beam lamp reflector is opposite with the LED light source to be set
It sets, with light of the incidence from the LED light source, LED light source described in the second echo area face of the reflecting surface, the LED light
The line of source and the dipped beam lamp reflector between the boundary point of the LED light source and the light source mounting plane it
Between it is at an acute angle.
6. dipped beam car light according to claim 5, which is characterized in that the angular range of the acute angle is 15 ° -30 °.
7. according to any dipped beam car light in claim 5-6, which is characterized in that the radiator radiates for needle wing
Device.
8. a kind of automobile, which is characterized in that the automobile includes any dipped beam car light in claim 4-7.
9. automobile according to claim 8, which is characterized in that described after the dipped beam car light is installed to the automobile
Front-rear direction of the rotary shaft of the reflecting surface of the paraboloid of revolution system of dipped beam lamp reflector in dipped beam car light along the automobile
Extend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899808.6A CN108758546A (en) | 2018-08-09 | 2018-08-09 | Dipped beam lamp reflector, dipped beam car light and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899808.6A CN108758546A (en) | 2018-08-09 | 2018-08-09 | Dipped beam lamp reflector, dipped beam car light and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108758546A true CN108758546A (en) | 2018-11-06 |
Family
ID=63969462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810899808.6A Pending CN108758546A (en) | 2018-08-09 | 2018-08-09 | Dipped beam lamp reflector, dipped beam car light and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108758546A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668111A (en) * | 2019-02-14 | 2019-04-23 | 华域视觉科技(上海)有限公司 | Automobile-used dipped headlight and automobile comprising it |
| CN109827140A (en) * | 2019-02-20 | 2019-05-31 | 华域视觉科技(上海)有限公司 | A kind of LED car lamp and its dipped beam mould group |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030174511A1 (en) * | 2002-03-14 | 2003-09-18 | Koito Manufacturing Co., Ltd. | Vehicular headlamp having improved low-beam pattern |
| CN102162615A (en) * | 2010-02-18 | 2011-08-24 | 市光工业株式会社 | Vehicle headlamp |
| EP2442013A2 (en) * | 2010-10-15 | 2012-04-18 | Automotive Lighting Reutlingen GmbH | Lighting device for a motor vehicle with a semiconductor light source and a reflector |
| CN102748690A (en) * | 2011-04-22 | 2012-10-24 | 株式会社小糸制作所 | Vehicle headlamp |
| CN102901018A (en) * | 2011-07-26 | 2013-01-30 | 市光工业株式会社 | Vehicle headlamp |
| CN107076390A (en) * | 2014-09-16 | 2017-08-18 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
| CN208418561U (en) * | 2018-08-09 | 2019-01-22 | 华域视觉科技(上海)有限公司 | Dipped beam lamp reflector, dipped beam car light and automobile |
-
2018
- 2018-08-09 CN CN201810899808.6A patent/CN108758546A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030174511A1 (en) * | 2002-03-14 | 2003-09-18 | Koito Manufacturing Co., Ltd. | Vehicular headlamp having improved low-beam pattern |
| CN102162615A (en) * | 2010-02-18 | 2011-08-24 | 市光工业株式会社 | Vehicle headlamp |
| EP2442013A2 (en) * | 2010-10-15 | 2012-04-18 | Automotive Lighting Reutlingen GmbH | Lighting device for a motor vehicle with a semiconductor light source and a reflector |
| CN102748690A (en) * | 2011-04-22 | 2012-10-24 | 株式会社小糸制作所 | Vehicle headlamp |
| CN102901018A (en) * | 2011-07-26 | 2013-01-30 | 市光工业株式会社 | Vehicle headlamp |
| CN107076390A (en) * | 2014-09-16 | 2017-08-18 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
| CN208418561U (en) * | 2018-08-09 | 2019-01-22 | 华域视觉科技(上海)有限公司 | Dipped beam lamp reflector, dipped beam car light and automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668111A (en) * | 2019-02-14 | 2019-04-23 | 华域视觉科技(上海)有限公司 | Automobile-used dipped headlight and automobile comprising it |
| CN109827140A (en) * | 2019-02-20 | 2019-05-31 | 华域视觉科技(上海)有限公司 | A kind of LED car lamp and its dipped beam mould group |
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