CN106764778A - The low beam reflector and its dipped beam reflecting surface dividing method of a kind of LED light source - Google Patents
The low beam reflector and its dipped beam reflecting surface dividing method of a kind of LED light source Download PDFInfo
- Publication number
- CN106764778A CN106764778A CN201610906722.2A CN201610906722A CN106764778A CN 106764778 A CN106764778 A CN 106764778A CN 201610906722 A CN201610906722 A CN 201610906722A CN 106764778 A CN106764778 A CN 106764778A
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- Prior art keywords
- battle array
- light source
- speculum
- rectangular
- array display
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
-
- 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
-
- 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
A kind of low beam reflector system of car headlamp LED light source, including：Two to three neighbouring indent arc reflection cavities for setting, each reflection cavity includes the rectangular piece of speculum of battle array display, it is arranged at radiator and LED light source above the rectangular piece of speculum of battle array display, the speculum of the rectangular piece of battle array display is brought into close contact and is set in indent arc reflection cavity bottom surface, the speculum of the rectangular piece of battle array display includes upper, each row rectangular block battle array in lower section, thereon, lower section rectangular block battle array respectively includes 6 10 pieces of rectangular blocks, speculum one row's rectangular block front of top is to three pieces of at least right rectangular block longitudinal direction height of light source direction in 15 25mm scopes, width is in 10 20mm scopes, speculum one row's rectangular block front of lower section is to two pieces of at least left rectangular block longitudinal direction height of light source direction in 15 25mm scopes, width is in 9 15mm scopes.According to the present invention, while realizing various modeling requirements, the net domain of dipped beam light distribution evenly is obtained.
Description
Technical field
The present invention relates to car light light fixture, in particular it relates to a kind of car headlamp LED light source that is mainly used in
Low beam reflector and its longitudinally split method of LED dipped beam reflectings surface.
Low beam reflector and its longitudinally split method of LED dipped beam reflectings surface according to the car headlamp LED light source, can
To realize various modeling requirements, requirement of the modern consumer to outward appearance and performance is met simultaneously, obtain evenly
The net domain of dipped beam light distribution.
Technical background
With the fast development of LED technology, the application in automotive lighting field is also increasingly popularized.At present except traditional
Outside signal lamp, the nearly road function of headlamp also begins to apply LED light source.Limitation is very in the headlamp moulding of conventional light source
Greatly, and using the headlamp of LED technology various modeling requirements can be then realized, meets modern consumer to outward appearance and property
The requirement of energy.
There are a variety of technology paths using the headlamp of LED light source, its major function realized also is had nothing in common with each other, with
Cost equally also vary.Among these, the cost and economy of reflective system are optimal, are had become at present
The preferred forms of major main engine plants' introduction LED technologies.
However, the net domain of dipped beam light distribution of the low beam reflector of conventional LED light source is remained in not uniform enough problem.
It is while LED technology is used for into headlamp, to realize various modeling requirements, meets modern consumer external
The requirement with performance is seen, meanwhile, the net domain of dipped beam light distribution evenly is obtained, this area needs one kind to be mainly used in automobile
The low beam reflector of headlamp LED light source and its technical scheme of the longitudinally split method of LED dipped beam reflectings surface.
The content of the invention
To realize above-mentioned problem, it is an object of the present invention to provide a kind of low beam reflector of car headlamp LED light source
And its longitudinally split method of LED dipped beam reflectings surface, the setting that the LED head lamp lenses are split in longitudinal region.
Technical solution of the present invention is as follows：
A kind of low beam reflector system of car headlamp LED light source, including speculum and to be arranged at rectangular piece of battle array old
Radiator and LED light source above the speculum of row, it is characterised in that the low beam reflector system includes：
Two to three neighbouring indent arc reflection cavities for setting, each reflection cavity includes that the polylith of rectangular piece of battle array display is anti-
Penetrate mirror,
The polylith speculum of the rectangular piece of battle array display is brought into close contact and is set in indent arc reflection cavity bottom surface,
The polylith mirror reflection surface of the rectangular piece of battle array display forms reflection area of light in front of LED light source, described anti-
Penetrate area of light and form dipped beam light type,
The speculum of the rectangular piece of battle array display at least includes each row rectangular block battle array of upper and lower, its upper and lower rectangle
Block battle array respectively includes 6-10 block rectangular block speculums.
According to a kind of low beam reflector system of car headlamp LED light source of the present invention, it is characterised in that described anti-
The transverse width in chamber is penetrated in 60-80mm, the reflection cavity is longitudinal highly in 40-55mm, wherein,
The row's rectangular block battle array speculum longitudinal direction height of top one of rectangular piece of battle array display is described in 15-25mm scopes
The row's rectangular block battle array speculum longitudinal direction of lower section one height of rectangular piece of battle array display is more than 25mm.
According to a kind of low beam reflector system of car headlamp LED light source of the present invention, it is characterised in that it is described into
Three pieces of at least right rectangular block from top one row's rectangular block battle array mirror surface of rectangular block battle array display to light source direction it is laterally wide
Spend in 10-20mm scopes,
Two pieces of at least left from the row's rectangular block battle array mirror surface of lower section one of rectangular piece of battle array display to light source direction
Rectangular block transverse width in 10-20, remaining rectangular block transverse width 8-15mm scope.
Above-mentioned " towards light source direction " is rear projection direction.
Wherein, a reflection cavity is used for meeting the test point dipped beam light distribution requirement required in GB or ECE regulations,
Referred to as main dipped beam reflection cavity, remaining reflection cavity is used for according to testing result, it is ensured that irradiation brightness and width of the dipped beam on road surface
Auxiliary dipped beam light distribution, also referred to as supplemented by dipped beam reflection cavity.
Preferably, it is described into square according to a kind of low beam reflector system of car headlamp LED light source of the present invention
Tri- pieces of transverse widths of rectangular block of 2-4 from right to left from top one row's rectangular block battle array mirror surface of shape block battle array display to light source direction
In 10-20mm scopes,
Bis- pieces of left 2-3 from the row's rectangular block battle array mirror surface of lower section one of rectangular piece of battle array display to light source direction
Rectangular block transverse width in 10-20, remaining rectangular block transverse width 8-15mm scope.
According to the present invention according to a kind of low beam reflector system of car headlamp LED light source of the present invention, its feature
It is that the transverse width of the reflection cavity is longitudinal highly in 55-70mm in 60-80mm,
The speculum of the rectangular piece of battle array display is arranged in reflection cavity into upper, middle, and lower part, i.e., described reflection cavity
Also include the under the row's speculum of lower section one of rectangular piece of battle array display the 3rd reflection for lining up rectangular block battle array display
Mirror.
According to a kind of low beam reflector system of car headlamp LED light source of the present invention, it is characterised in that
Reflection cavity is brought into close contact in imploded arcs with the parabola shaped setting of imploded arcs, the speculum of the rectangular piece of battle array display
Parabolic reflective bottom of chamber face is set.
The dividing method of the low beam reflector reflecting surface according to a kind of LED light source of the invention, it is characterised in that the dipped beam
Mirror system includes：
Two to three neighbouring indent arc reflection cavities for setting, each reflection cavity includes that the polylith of rectangular piece of battle array display is anti-
Penetrate mirror,
The polylith speculum of the rectangular piece of battle array display is brought into close contact and is set in indent arc reflection cavity bottom surface,
The polylith mirror reflection surface of the rectangular piece of battle array display forms reflection area of light in front of LED light source, described anti-
Penetrate area of light and form dipped beam light type,
The speculum of the rectangular piece of battle array display at least includes each row rectangular block battle array of upper and lower, its upper and lower rectangle
Block battle array respectively includes 6-10 block rectangular block speculums.
The dividing method of the low beam reflector reflecting surface according to a kind of LED light source of the present invention, it is characterised in that described
The transverse width of reflection cavity is in 60-80mm, and the reflection cavity is longitudinal highly in 40-55mm, wherein,
The row's rectangular block battle array speculum longitudinal direction height of top one of rectangular piece of battle array display is described in 15-25mm scopes
The row's rectangular block battle array speculum longitudinal direction of lower section one height of rectangular piece of battle array display is more than 25mm.
The dividing method of the low beam reflector reflecting surface according to a kind of LED light source of the present invention, it is characterised in that described
Three pieces of at least right transverse direction of rectangular block from the row's rectangular block battle array mirror surface of top one of rectangular piece of battle array display to light source direction
Width in 10-20mm scopes,
Two pieces of at least left from the row's rectangular block battle array mirror surface of lower section one of rectangular piece of battle array display to light source direction
Rectangular block transverse width in 10-20, remaining rectangular block transverse width 8-15mm scope.
Wherein, a reflection cavity is used for meeting the test point dipped beam light distribution requirement required in GB or ECE regulations,
Referred to as main dipped beam reflection cavity, remaining reflection cavity is used for according to testing result, it is ensured that irradiation brightness and width of the dipped beam on road surface
Auxiliary dipped beam light distribution, also referred to as supplemented by dipped beam reflection cavity.
The dividing method of the low beam reflector reflecting surface according to a kind of LED light source of the present invention, it is characterised in that described
The transverse width of reflection cavity is longitudinal highly in 55-70mm in 60-80mm,
The speculum of the rectangular piece of battle array display is arranged in reflection cavity into upper, middle, and lower part, i.e., described reflection cavity
Also include the under the row's speculum of lower section one of rectangular piece of battle array display the 3rd reflection for lining up rectangular block battle array display
Mirror.
The dividing method of the low beam reflector reflecting surface according to a kind of LED light source of the present invention, it is characterised in that reflection
Chamber is brought into close contact in imploded arcs parabolic reflective with the parabola shaped setting of imploded arcs, the speculum of the rectangular piece of battle array display
Bottom of chamber face is set.
Each reflection cavity is main to be made up of speculum, radiator and LED components, and wherein LED light source can be placed on instead
Penetrate the either above or below (this paper graphic analysis place speculum top with LED) of mirror
The size of reflection cavity is limited by whole lamp moulding, and general reflection cavity transverse opening size is indulged in 70mm or so
To opening between 40-55mm in the case of, speculum is segmented into upper and lower two parts, if feelings of the longitudinal opening more than 55
Under condition, speculum is segmented into three parts of upper, middle and lower.
Face longitudinal direction requirement for height in ensureing region 1 in the design process of main dipped beam is more than 25mm, and transverse width exists
Between 10mm, ensure that some the important test points in regulation disclosure satisfy that requirement in the case of design width herein.
Low beam reflector system automobile headlamp LED light source according to a kind of car headlamp LED light source of the present invention
Low beam reflector system and its LED light source low beam reflector reflecting surface dividing method, realizing various moulding
It is required that while, obtain the net domain of dipped beam light distribution evenly.
Brief description of the drawings
Fig. 1 is mirror reflection surface of the invention towards light source direction, in the arrangement of rectangular block battle array area of light, parallel to light source
The reflection area of light schematic diagram of axis.
Fig. 2 is a kind of low beam reflector system schematic of LED light source of the present invention.
Fig. 3 is a radiation chamber schematic diagram of low beam reflector system of the present invention.
In figure, 1 is the reflection cavity of low beam reflector system, and 2 is the reflection cavity of high beam reflector system, and 3 is to be arranged at into
Radiator above the speculum of rectangular block battle array display, 4 is LED light source, and 5 is the rectangular piece of speculum of battle array display, 6,7 difference
It is the row's rectangular block of the upper and lower one battle array speculum of rectangular piece of battle array display.
Specific embodiment
Embodiment
A kind of low beam reflector system of car headlamp LED light source, is arranged above or below mirror reflection surface,
It is arranged at radiator and LED light source above the rectangular piece of speculum of battle array display.The low beam reflector system includes：
Two to three neighbouring indent arc reflection cavities for setting, each reflection cavity includes that the polylith of rectangular piece of battle array display is anti-
Penetrate mirror,
The polylith speculum of the rectangular piece of battle array display is brought into close contact and is set in indent arc reflection cavity bottom surface,
The polylith mirror reflection surface of the rectangular piece of battle array display forms reflection area of light in front of LED light source, described anti-
Area of light is penetrated on the perspective plane (i.e. perpendicular to the direction of light source direction of illumination) parallel to light source axis in rectangular block battle array area of light row
Row,
The speculum of the rectangular piece of battle array display at least includes each row rectangular block battle array of upper and lower, its upper and lower rectangle
Block battle array respectively includes 6-10 block rectangular block speculums.
According to the present embodiment, the row's rectangular block battle array mirror surface of top one of the rectangular piece of battle array display is to light source direction
At least, in 15-25mm scopes, in 10-20mm scopes, it is adjacent to rectangular block for transverse width for the longitudinal direction height of three pieces of right rectangular block
Transverse width dimension in 8-15mm scopes,
Two pieces of at least left from the row's rectangular block battle array mirror surface of lower section one of rectangular piece of battle array display to light source direction
, in 15-25mm scopes, in 10-20mm scopes, it is adjacent to rectangular block transverse width dimension in 8-15mm models for rectangular block longitudinal direction height
Enclose
According to the present embodiment, wherein, a reflection cavity is used for meeting the test point dipped beam light required in GB or ECE regulations
Strong Spreading requirements, are also referred to as main dipped beam reflection cavity, and remaining reflection cavity is used for according to testing result, it is ensured that photograph of the dipped beam on road surface
Penetrate brightness and the auxiliary dipped beam light distribution of width, also referred to as supplemented by dipped beam reflection cavity.
According to the present embodiment, in 60-80mm, longitudinal direction height is in 40-55mm for the transverse width of the reflection cavity.
According to the present embodiment, the transverse width of the reflection cavity is in 60-80mm, and longitudinal direction height is described into square in 55-70mm
Shape block battle array display speculum be arranged in reflection cavity into upper, middle, and lower part, i.e., described reflection cavity also include be located at it is described into
Under the row's speculum of lower section one of rectangular block battle array display the 3rd speculum for lining up rectangular block battle array display.
According to the present embodiment, reflection cavity is with the parabola shaped setting of imploded arcs, and the speculum of the rectangular piece of battle array display is tight
The closely connected reflection cavity bottom surface parabola shaped together in imploded arcs is set.
Low beam reflector system automobile headlamp LED light source according to a kind of car headlamp LED light source of the present invention
Low beam reflector system and its LED light source low beam reflector reflecting surface dividing method, realize various moulding will
While asking, the net domain of dipped beam light distribution evenly is obtained.
Claims (10)
1. a kind of low beam reflector system of car headlamp LED light source, including speculum and rectangular piece of battle array display is arranged at
Speculum above radiator and LED light source, it is characterised in that the low beam reflector system includes：
Two to three neighbouring indent arc reflection cavities for setting, each reflection cavity includes the rectangular piece of polylith reflection of battle array display
Mirror,
The polylith speculum of the rectangular piece of battle array display is brought into close contact and is set in indent arc reflection cavity bottom surface,
The polylith mirror reflection surface of the rectangular piece of battle array display forms reflection area of light, the reflected light in front of LED light source
Domain forms dipped beam light type,
The speculum of the rectangular piece of battle array display at least includes each row rectangular block battle array of upper and lower, its upper and lower rectangular block battle array
Respectively include 6-10 block rectangular block speculums.
2. a kind of low beam reflector system of car headlamp LED light source as claimed in claim 1, it is characterised in that described anti-
The transverse width in chamber is penetrated in 60-80mm, the reflection cavity is longitudinal highly in 40-55mm, wherein,
The row's rectangular block battle array speculum longitudinal direction of top one height of the rectangular piece of battle array display is described into square in 15-25mm scopes
The row's rectangular block battle array speculum longitudinal direction of lower section one height of shape block battle array display is more than 25mm.
3. as claimed in claim 2 a kind of low beam reflector system of car headlamp LED light source, it is characterised in that it is described into
Three pieces of at least right rectangular block from top one row's rectangular block battle array mirror surface of rectangular block battle array display to light source direction it is laterally wide
Spend in 10-20mm scopes,
Two pieces of at least left rectangle from the row's rectangular block battle array mirror surface of lower section one of rectangular piece of battle array display to light source direction
Block transverse width in 10-20, remaining rectangular block transverse width 8-15mm scope.
4. a kind of low beam reflector system of car headlamp LED light source as claimed in claim 1, it is characterised in that described anti-
The transverse width in chamber is penetrated in 60-80mm, it is longitudinal highly in 55-70mm,
The speculum of the rectangular piece of battle array display is arranged in reflection cavity into upper, middle, and lower part, i.e., described reflection cavity is also wrapped
Include the under the row's speculum of lower section one of rectangular piece of battle array display the 3rd speculum for lining up rectangular block battle array display.
5. as claimed in claim 1 a kind of low beam reflector system of car headlamp LED light source, it is characterised in that reflection cavity
With the parabola shaped setting of imploded arcs, the speculum of the rectangular piece of battle array display is brought into close contact in imploded arcs parabolic reflective chamber
Bottom surface is set.
6. a kind of dividing method of the low beam reflector reflecting surface of LED light source, it is characterised in that the low beam reflector system bag
Include：
Two to three neighbouring indent arc reflection cavities for setting, each reflection cavity includes the rectangular piece of polylith reflection of battle array display
Mirror,
The polylith speculum of the rectangular piece of battle array display is brought into close contact and is set in indent arc reflection cavity bottom surface,
The polylith mirror reflection surface of the rectangular piece of battle array display forms reflection area of light, the reflected light in front of LED light source
Domain forms dipped beam light type,
The speculum of the rectangular piece of battle array display at least includes each row rectangular block battle array of upper and lower, its upper and lower rectangular block battle array
Respectively include 6-10 block rectangular block speculums.
7. as claimed in claim 6 a kind of LED light source low beam reflector reflecting surface dividing method, it is characterised in that it is described
The transverse width of reflection cavity is in 60-80mm, and the reflection cavity is longitudinal highly in 40-55mm, wherein,
The row's rectangular block battle array speculum longitudinal direction of top one height of the rectangular piece of battle array display is described into square in 15-25mm scopes
The row's rectangular block battle array speculum longitudinal direction of lower section one height of shape block battle array display is more than 25mm.
8. as claimed in claim 6 a kind of LED light source low beam reflector reflecting surface dividing method, it is characterised in that it is described
Three pieces of at least right transverse direction of rectangular block from the row's rectangular block battle array mirror surface of top one of rectangular piece of battle array display to light source direction
Width in 10-20mm scopes, remaining rectangular block transverse width 8-15mm scope,
Two pieces of at least left rectangle from the row's rectangular block battle array mirror surface of lower section one of rectangular piece of battle array display to light source direction
Block transverse width in 10-20, remaining rectangular block transverse width 8-15mm scope.
9. as claimed in claim 6 a kind of LED light source low beam reflector reflecting surface dividing method, it is characterised in that it is described
The transverse width of reflection cavity is longitudinal highly in 55-70mm in 60-80mm,
Now, the speculum of the rectangular piece of battle array display is arranged in reflection cavity into upper, middle, and lower part, i.e., described reflection
Chamber also includes that the under the row's speculum of lower section one of rectangular piece of battle array display the 3rd lines up the anti-of rectangular block battle array display
Penetrate mirror.
10. as claimed in claim 6 a kind of LED light source low beam reflector reflecting surface dividing method, it is characterised in that reflection
Chamber is brought into close contact in imploded arcs parabolic reflective with the parabola shaped setting of imploded arcs, the speculum of the rectangular piece of battle array display
Bottom of chamber face is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906722.2A CN106764778A (en) | 2016-10-18 | 2016-10-18 | The low beam reflector and its dipped beam reflecting surface dividing method of a kind of LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906722.2A CN106764778A (en) | 2016-10-18 | 2016-10-18 | The low beam reflector and its dipped beam reflecting surface dividing method of a kind of LED light source |
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| Publication Number | Publication Date |
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| CN106764778A true CN106764778A (en) | 2017-05-31 |
Family
ID=58972673
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610906722.2A Pending CN106764778A (en) | 2016-10-18 | 2016-10-18 | The low beam reflector and its dipped beam reflecting surface dividing method of a kind of LED light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504430A (en) * | 2017-08-31 | 2017-12-22 | 上海小糸车灯有限公司 | Vehicle light illumination device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748690A (en) * | 2011-04-22 | 2012-10-24 | 株式会社小糸制作所 | Vehicle headlamp |
| CN202938196U (en) * | 2012-11-27 | 2013-05-15 | 厦门迈信电子科技有限公司 | Novel motorcycle light emitting diode (LED) signal lamp |
| CN206430006U (en) * | 2016-10-18 | 2017-08-22 | 武汉通畅汽车电子照明有限公司 | A kind of low beam reflector system of car headlamp LED/light source |
-
2016
- 2016-10-18 CN CN201610906722.2A patent/CN106764778A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748690A (en) * | 2011-04-22 | 2012-10-24 | 株式会社小糸制作所 | Vehicle headlamp |
| CN202938196U (en) * | 2012-11-27 | 2013-05-15 | 厦门迈信电子科技有限公司 | Novel motorcycle light emitting diode (LED) signal lamp |
| CN206430006U (en) * | 2016-10-18 | 2017-08-22 | 武汉通畅汽车电子照明有限公司 | A kind of low beam reflector system of car headlamp LED/light source |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504430A (en) * | 2017-08-31 | 2017-12-22 | 上海小糸车灯有限公司 | Vehicle light illumination device |
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Application publication date: 20170531 |