CN102313219B - High integrated LED vehicle front lighting lamp assembly - Google Patents
High integrated LED vehicle front lighting lamp assembly Download PDFInfo
- Publication number
- CN102313219B CN102313219B CN201010545120.1A CN201010545120A CN102313219B CN 102313219 B CN102313219 B CN 102313219B CN 201010545120 A CN201010545120 A CN 201010545120A CN 102313219 B CN102313219 B CN 102313219B
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- Prior art keywords
- light
- led
- led module
- instant
- heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—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]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
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- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
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- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
Abstract
The present invention relates to technical field of automobile illumination, be by by high-power LED chip, by instant and near light matrix arrangement requirement, integrated package, on same LED high power module, as the main light source of car headlamp, and adopts PPTC control mode to main light source; Have employed controlled active heat removal mode simultaneously, control the operating temperature of LED high power module, ensure that whole lamp is synchronous with car for service life; For reaching the technical requirement in the light and shade region of illumination pattern, and realizing the illumination of light fixture specular removal, designing, have employed the biconvex mirror type of focusing; Above three aspects constitute the core technology of instant and near light integration headlamp head.Dipped headlights is connected current limiting component by the present invention in addition, as lampet, fog lamp, steering indicating light is all arranged into assembly, achieves high-integration LED vehicle headlamp assembly.
Description
Art: the present invention relates to technical field of automobile illumination is a kind of high-integration LED vehicle headlamp assembly.
Background technology: at present, known automotive LED headlamp is also in research and development, trial production stage, high-low beam light is divided into Liang Tao mechanism in development, trial production.
Summary of the invention
Technical scheme of the present invention: a kind of high-integration LED vehicle headlamp assembly, is by large convex lens, steering indicating light LED area light source, changes into reflector of lamp, fog lamp LED area light source, fog lamp reflection shield, cooling fan, instant and near light LED module heat-dissipation aluminum sectional material, O-ring seal, steering indicating light heat-dissipation aluminum sectional material, fog lamp heat-dissipation aluminum sectional material, lamp holder adjustment rack, distance-light LED module, little convex lens, lampshade, assembly mould shell and formed; The matrix of LED chip on distance-light LED module, is by GB light and shade region hot spot figure requirement arrangement, lines up dipped beam stripe matrix, line up distance light rectangular matrix under center line on center line; Dipped beam chip portfolio passes through also, series connection, then connects with the parallel combination of corresponding PPTC thermistor and thresholding resistance, forms controlled LED low-beam light, by dipped headlights switch control rule.Distance light chip portfolio passes through also, series connection, then connects with the parallel combination of corresponding PPTC thermistor and thresholding resistance, forms controlled LED high beam, controls by main furnace building light switch.Dipped beam positive terminal in addition, connects with the parallel combination of corresponding PTC thermistor and current-limiting resistance, forms controlled LED lampet, by lampet switch control rule.
Beneficial effect: for solving the most simplification problem of integrity problem that IED car headlamp uses, production technology, first design, have employed high-power LED chip, by instant and near light matrix arrangement requirement, integrated package is on same LED high power module, as the main light source of car headlamp, and PPTC control mode is adopted to main light source; Have employed controlled active heat removal mode simultaneously, control the operating temperature of LED high power module, ensure that whole lamp is synchronous with car for service life; For reaching the technical requirement in the light and shade region of illumination pattern, and realizing the illumination of light fixture specular removal, designing, have employed the biconvex mirror type of focusing; Above three aspects constitute the core technology of instant and near light integration headlamp head.Dipped headlights is connected current limiting component by the present invention in addition, as lampet, fog lamp, steering indicating light is all arranged into assembly, achieves high-integration LED vehicle headlamp assembly.
First scheme implementation will require according to the luminous flux of instant and near light high-power LED module, the rated power of LED chip, photoelectric transformation efficiency (lumens/watt), determines the specification of LED chip, quantity.That is: luminous flux is divided by chip rated power, divided by photoelectric conversion rate, then draws LED chip quantity divided by the guide-lighting efficiency of whole lamp.According to instant and near light number of chips, design, arrangement matrix, by GB light and shade region hot spot figure requirement arrangement, (due to biconvex mirror focal imaging, hot spot figure revolves turnback) dipped beam strip-like chip group of arranging on center line, distance light oblong chips group of arranging under center line.
Controlled active heat removal mode, by instant and near light LED module coating heat-conducting cream, is fastened on heat-dissipation aluminum sectional material.NTC negative tempperature coefficient thermistor is also fastened on heat-dissipation aluminum sectional material, and with blower fan windings in series, form limit temperature control system.Namely ensured that LED module groundwork is under constant temperature, made again blower fan gap run, ensured service life.
The little convex lens area of the biconvex mirror type of focusing is larger than LED module, first being close to LED module is fixed on heat-dissipation aluminum sectional material, large convex lens diameter is about 1.6 times of little convex lens, and the spacing adjusting itself and little convex lens realizes focusing on, thus determines corresponding physical dimension on lamp holder.Here focusing accuracy claimed range is wider, after mould molding is produced, and need not accurate adjustment.
Because instant and near light integration headlamp head quality is comparatively large, lamp holder angular adjustment should adopt turbine and worm mechanism, regulates accurately like this, goes on a long journey for a long time, jolting not easily produces displacement.The heat-dissipation aluminum sectional material of lamp holder and the assembly of blower fan, need be exposed at assembly and mould outside shell, have displacement during adjustment, and ripple type type circle need be adopted to be sealed.
High-integration LED vehicle headlamp assembly of the present invention, is by large convex lens, steering indicating light LED area light source, changes into reflector of lamp, fog lamp LED area light source, fog lamp reflection shield, cooling fan, instant and near light LED module heat-dissipation aluminum sectional material, O-ring seal, steering indicating light heat-dissipation aluminum sectional material, fog lamp heat-dissipation aluminum sectional material, lamp holder adjustment rack, distance-light LED module, little convex lens, lampshade, assembly mould shell etc. and formed.
Its technical characteristics is: the matrix of LED chip on high-low beam light high-power LED module, is by GB light and shade region hot spot figure requirement arrangement, lines up dipped beam stripe matrix, line up distance light rectangular matrix under center line on center line.Dipped beam chip portfolio passes through also, series connection, then connects with the parallel combination of corresponding PPTC thermistor and thresholding resistance, forms controlled LED low-beam light.Distance light chip portfolio passes through also, series connection, then connects with the parallel combination of corresponding PPTC thermistor and thresholding resistance, forms controlled LED high beam.Dipped beam positive terminal in addition, connects with the parallel combination of corresponding PTC thermistor and current-limiting resistance, forms controlled LED lampet.By instant and near light LED module coating heat-conducting cream, be fastened on heat-dissipation aluminum sectional material.NTC negative tempperature coefficient thermistor is also fastened on heat-dissipation aluminum sectional material, and with blower fan windings in series, form limit temperature control system.The little convex lens area of the biconvex mirror type of focusing is larger than LED module, first being close to LED module is fixed on heat-dissipation aluminum sectional material, large convex lens diameter is about 1.6 times of little convex lens, and the spacing adjusting itself and little convex lens realizes focusing on, thus determines corresponding physical dimension on lamp holder.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of front schematic view of high-integration LED vehicle headlamp assembly.
Wherein 1 large convex lens, 2 steering indicating light LED area light source, 3 steering indicating light reflection shields, 4 fog lamp LED area light source, 5 fog lamp reflection shields.
Accompanying drawing 2 is planing surface schematic diagrames of a kind of high-integration LED vehicle headlamp assembly.
Wherein 6 cooling fans, 7 instant and near light LED module heat-dissipation aluminum sectional materials, 8 O-ring seals, 9 steering indicating light heat-dissipation aluminum sectional materials, 10 lamp holder adjustment racks, 11 instant and near light LED modules, 12 little convex lens, 13 lampshades, 14 assemblies mould shell.
Accompanying drawing 3 is illumination patterns of a kind of high-integration LED vehicle headlamp assembly.
Wherein 15 high-beam region illumination patterns, 16 low-beam region illumination patterns.
Accompanying drawing 4 is left lamp instant and near light LED module chip matrixes of a kind of high-integration LED vehicle headlamp assembly.
Accompanying drawing 5 is right lamp instant and near light LED module chip matrixes of a kind of high-integration LED vehicle headlamp assembly.
Wherein 17 dipped beam chip matrixes, 18 distance light chip matrixes.
Detailed description of the invention:
Embodiment: a high-integration LED vehicle headlamp assembly model machine, headlamp (instant and near light) total light flux 5000 lumen, the guide-lighting efficiency 75% of whole lamp, adopt rated power 1 watt, the LED chip of photoelectric transformation efficiency 85-90 lumens/watt 76, by GB light and shade region hot spot figure requirement design, arrangement matrix, integrated package is on same high-power instant and near light LED module.As the chip matrix diagram that Fig. 4 is the high-power instant and near light LED module of left lamp.Fig. 5 is the chip matrix diagram of the high-power instant and near light LED module of right lamp, wherein dipped beam chip matrix (17) lines up 4X14 stripe matrix on center line, chipset rated power 56 watts, it is connected with the PPTC thermistor of 4A/30V and the parallel combination of 0.4 ' Ω/5W thresholding resistance, forms controlled LED low-beam light.Distance light chip matrix (18) lines up 4X5 rectangular matrix under center line, chipset rated power 20 watts, it is connected with the PPTC thermistor of 1.5A/30V and the parallel combination of 1.0 ' Ω/3W thresholding resistance, forms controlled LED low-beam light.They are by after focal imaging, as the illumination pattern of accompanying drawing 3LED vehicle front lighting lamp assembly.
See Fig. 2, instant and near light LED module (11) need adopt controlled active heat removal mode, by module coating heat-conducting cream, is fastened on far away, nearly LED module heat-dissipation aluminum sectional material (7).Adopt 30 ' Ω/0.1WNTC negative tempperature coefficient thermistor, be fastened on heat-dissipation aluminum sectional material, and with 0.25W/12V blower fan (6) windings in series, form limit temperature control system.Ensure that LED module groundwork is under constant temperature, makes blower fan gap run, ensure service life.
Adopt the little convex epi mirror (12) of Ф 50, being close to LED module is fixed on heat-dissipation aluminum sectional material, large convex lens (1) diameter is Ф 80, and the spacing adjusting itself and little convex lens realizes focusing on, thus determines the upper corresponding physical dimension of lamp holder (10).Here focusing accuracy claimed range is wider, after mould molding is produced, and need not accurate adjustment.
Because instant and near light integration headlamp head quality is comparatively large, lamp holder angular adjustment should adopt the turbine and worm mechanism of nylon material, regulates accurate like this, and longtime running, jolting not easily produces displacement.The heat-dissipation aluminum sectional material of lamp holder and the assembly of blower fan, need be exposed at assembly and mould outside shell, ripple type O-ring seal (8) coating silica gel be adopted to be sealed in assembly and mould on shell (14).Lampshade (13) coating silica gel is installed, be sealed in assembly moulds on shell (14).
See Fig. 1, large convex lens on instant and near light headlamp head is arranged on the left portion of assembly, steering indicating light LED area light source (2) and steering indicating light reflection shield (3) are arranged on upper right quarter, steering indicating light LED area light source rated power 12W, coating heat-conducting cream, under being fastened on steering indicating light heat-dissipation aluminum sectional material, open-work is arranged on assembly and moulds in shell, and heat-dissipation aluminum sectional material is outside shell.Fog lamp LED area light source (4) rated power 12W, the reflection angle design of fog lamp reflection shield (5) is more on the lower side, because general fog lamp is arranged on bumper.
Claims (3)
1. a high-integration LED vehicle headlamp assembly, is by large convex lens, steering indicating light LED area light source, changes into reflector of lamp, fog lamp LED area light source, fog lamp reflection shield, cooling fan, instant and near light LED module heat-dissipation aluminum sectional material, O-ring seal, steering indicating light heat-dissipation aluminum sectional material, fog lamp heat-dissipation aluminum sectional material, lamp holder adjustment rack, distance-light LED module, little convex lens, lampshade, assembly mould shell and formed; The matrix of LED chip on distance-light LED module, is by GB light and shade region hot spot figure requirement arrangement, lines up dipped beam stripe matrix, line up distance light rectangular matrix under center line on center line; It is characterized in that: dipped beam chip portfolio passes through also, series connection, then connects with the parallel combination of corresponding PPTC thermistor and thresholding resistance, forms controlled LED low-beam light, by dipped headlights switch control rule; Distance light chip portfolio passes through also, series connection, then connects with the parallel combination of corresponding PPTC thermistor and thresholding resistance, forms controlled LED high beam, controls by main furnace building light switch; Dipped beam chip positive terminal, connects with the parallel combination of corresponding PTC thermistor and current-limiting resistance, forms controlled LED lampet, by lampet switch control rule.
2. high-integration LED vehicle headlamp assembly according to claim 1, distance-light LED module coating heat-conducting cream, be fastened on instant and near light LED module heat-dissipation aluminum sectional material, NTC negative tempperature coefficient thermistor is also fastened on instant and near light LED module heat-dissipation aluminum sectional material, and with blower fan windings in series, form limit temperature control system.
3. high-integration LED vehicle headlamp assembly according to claim 1, the little convex lens area of the biconvex mirror type of focusing is larger than LED module, first being close to LED module is fixed on instant and near light LED module heat-dissipation aluminum sectional material, the spacing adjusting large convex lens and little convex lens realizes focusing on, thus determines corresponding physical dimension on lamp holder adjustment rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010545120.1A CN102313219B (en) | 2010-11-16 | 2010-11-16 | High integrated LED vehicle front lighting lamp assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010545120.1A CN102313219B (en) | 2010-11-16 | 2010-11-16 | High integrated LED vehicle front lighting lamp assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102313219A CN102313219A (en) | 2012-01-11 |
| CN102313219B true CN102313219B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010545120.1A Expired - Fee Related CN102313219B (en) | 2010-11-16 | 2010-11-16 | High integrated LED vehicle front lighting lamp assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN102313219B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619092B (en) * | 2013-10-30 | 2016-02-03 | 郭廷麟 | Digital automobile LED headlamp control device and control method |
| CN103994385A (en) * | 2014-05-23 | 2014-08-20 | 河南速达电动汽车科技有限公司 | LED front combined headlamp |
| CN105180053B (en) * | 2015-08-14 | 2017-11-14 | 薛建南 | Electronic headlight assembly |
| CN107685679A (en) * | 2016-08-04 | 2018-02-13 | 温州港宏新能源有限公司 | A kind of automobile matrix LED intelligence headlight illuminator |
| JP6991811B2 (en) * | 2017-09-25 | 2022-02-03 | 株式会社小糸製作所 | Vehicle headlights |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545475Y (en) * | 2002-05-28 | 2003-04-16 | 王品朝 | Combined front lamp |
| DE20319650U1 (en) * | 2003-12-19 | 2004-04-01 | Kramer, Steffen | Flexible array of LEDs for creating illuminating surfaces by cutting circuit board into shape as needed |
| CN101132950A (en) * | 2005-03-04 | 2008-02-27 | 奥斯兰姆施尔凡尼亚公司 | Led headlamp system |
| CN101298906A (en) * | 2007-11-30 | 2008-11-05 | 上海小糸车灯有限公司 | Automobile front shining lamp based on double-convex lens |
| CN101725876A (en) * | 2008-10-15 | 2010-06-09 | 陈真 | LED automobile headlamp with integrated distant and near light |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060133103A1 (en) * | 2004-12-22 | 2006-06-22 | Muhlbaier Michael D | Sequential taillight illumination system |
-
2010
- 2010-11-16 CN CN201010545120.1A patent/CN102313219B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545475Y (en) * | 2002-05-28 | 2003-04-16 | 王品朝 | Combined front lamp |
| DE20319650U1 (en) * | 2003-12-19 | 2004-04-01 | Kramer, Steffen | Flexible array of LEDs for creating illuminating surfaces by cutting circuit board into shape as needed |
| CN101132950A (en) * | 2005-03-04 | 2008-02-27 | 奥斯兰姆施尔凡尼亚公司 | Led headlamp system |
| CN101298906A (en) * | 2007-11-30 | 2008-11-05 | 上海小糸车灯有限公司 | Automobile front shining lamp based on double-convex lens |
| CN101725876A (en) * | 2008-10-15 | 2010-06-09 | 陈真 | LED automobile headlamp with integrated distant and near light |
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| Publication number | Publication date |
|---|---|
| CN102313219A (en) | 2012-01-11 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Zhen Inventor after: Lao Jinxiong Inventor before: Chen Zhen |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160512 Address after: 529700 Guangdong city of Jiangmen province Heshan city Sha Ping Zhen Qiao Dang Cun Wei Hui Qiao Dang Cun Shi Yan Wei Patentee after: Heshan Xiong Yuan Electronic Technology Co., Ltd. Address before: 529700 Guangdong province Heshan city Sha Ping Zhen kapok Gang Industrial Zone No. 168 Patentee before: Heshan Minghua Electrical Equipment & Hardware Factory Patentee before: Chen Zhen |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20181116 |