EP2888520A1 - Lichtmodul für ein kraftfahrzeug - Google Patents
Lichtmodul für ein kraftfahrzeugInfo
- Publication number
- EP2888520A1 EP2888520A1 EP13762368.2A EP13762368A EP2888520A1 EP 2888520 A1 EP2888520 A1 EP 2888520A1 EP 13762368 A EP13762368 A EP 13762368A EP 2888520 A1 EP2888520 A1 EP 2888520A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- module according
- light module
- mounting base
- light source
- 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.)
- Granted
Links
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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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
-
- 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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
-
- 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
-
- 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
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
-
- 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
- F21S41/39—Attachment thereof
-
- 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
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
-
- 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
Definitions
- the invention relates to a light module for a motor vehicle or for a motor vehicle headlight, wherein the light module comprises:
- At least one arranged on the support plate light source wherein the support plate is mounted on the heat sink, wherein the support plate has one or more reference positions for referencing a light shaping body, for example for referencing a reflector, and wherein the light shaping body has a mounting base, by means of which mounting base of the light shaping body at the at least one reference position Support plate is referenced.
- the invention relates to a vehicle headlamp with at least one above-mentioned light module.
- a light module for a vehicle headlight or a vehicle headlight has one or more light sources and one or more light-shaping bodies, for example one or more reflectors. Light emerging from the light source is radiated by such a reflector as a desired light image in an area in front of the vehicle, in which the vehicle headlamp is installed.
- the exact positioning of the light source in relation to the reflector is of particular importance.
- the deviations from the target position may only be in the 1/10 mm range, i. Reflector and LED light source (s) must be positioned extremely accurately to each other.
- An initially described light module allows an exact and at the same time easy assembly of a light module. It is an object of the invention to improve a light module to allow even better and easier positioning, and in particular reliable fixing of the light-shaping body to the support plate.
- At least one restoring element is assigned to the mounting base, by means of which the mounting base can be fastened at least temporarily in its reference position with respect to the carrier plate.
- the reference positions can be applied, for example, after the positioning of the at least one light source on the carrier plate, so that the light-shaping body can be positioned by aligning at these reference positions as accurately as possible with respect to the at least one light source.
- the reference positions are attached to the carrier plate and then, depending on their exact location, the at least one light source is mounted on the carrier plate.
- the light-shaping body can be positioned in these reference positions exactly to the at least one light source and is held by means of the at least one restoring element at least temporarily, until its final fixation in this position.
- the carrier plate is advantageously glued to the heat sink.
- the at least one light source is an LED light source having one or more light emitting diodes
- the carrier plate is a printed circuit board (LED print) for which at least one LED light source is.
- the at least one LED light source is preferably soldered to the circuit board.
- the at least one return element in the reference position of the mounting base - and thus in the reference position of the reflector - is biased between the mounting base and a stop region of the heat sink, such that the mounting base in its reference position with respect is held on the carrier plate.
- at least one, preferably two fastening elements for fastening the mounting base is provided on the heat sink / are.
- the at least one fastening element comprises a spring, e.g. a sheet metal spring is, which is preferably in the form of a bow spring, which is clipped example of the mounting base and the heat sink and / or hooked to these components.
- a spring e.g. a sheet metal spring is, which is preferably in the form of a bow spring, which is clipped example of the mounting base and the heat sink and / or hooked to these components.
- the restoring element comprises at least one spring element.
- These one or more springs (such as compression springs) hold the light-shaping body in its reference position until it is fixed with the fastening elements.
- the at least one spring element is formed integrally with the mounting base.
- the reference positions are arranged with respect to the geometric center of the at least one light source or on the brightest area of the at least one light source on the carrier plate.
- These areas can be determined, for example, with a camera.
- the one or more reference positions in the form of one or more holes, such as slots, and / or in the form of one or more, preferably rectilinear reference edges is formed.
- the reference positions are drilled and / or milled.
- the reference positions can basically be in the form of webs, bores, contact surfaces or contact surfaces, oblong holes, stops, etc.
- the appropriate reference surface / edge / hole is created, which brings the light-shaping body in a well-defined position.
- An oblong hole serves, for example, to prevent the light-shaping body from being displaced laterally (left / right), while, for example, edges limit the movement of the light-shaping body in a specific direction, for example in the direction of the light source.
- the heat sink has two sections, which are preferably perpendicular to each other, and wherein the support plate is disposed on one of the sections.
- the stop area for the return element is attached to one of the two sections, preferably to both sections, e.g. he is integrally formed with this or these sections.
- FIG. 5 shows the reflector of Figure 3 and 4, positioned on a support plate, in a side view
- FIG. 6 shows the arrangement from FIG. 5, in a view from the opposite side
- Fig. 9 is a view of one attached to a heat sink with respect to the support plate obliquely from above, and Fig. 10 shows the arrangement of Figure 9 in a view obliquely from below.
- FIG. 1 shows a carrier plate 3, here a printed circuit board (LED print), on which a light source 2 is mounted.
- a carrier plate 3 here a printed circuit board (LED print)
- LED print printed circuit board
- the light source 2 is an LED light source, which has two light-emitting diodes here.
- the support plate 3 is a printed circuit board for the LED light source 2.
- the LED light source 2 is soldered to the circuit board 3.
- the carrier plate 3 has a plurality of reference positions 4 for a reflector 1, wherein the position of the reference positions 4 depends on the position of the LED light source 2.
- the geometric center of the LED light source 2 or the brightest area of the LED light source 2 for example, determined with a camera, and arranging the reference positions is then preferably taking into account the geometric center of the LED light source 2 or the brightest area of LED light source 2.
- the reference positions 4 are an oblong hole 4a which is open on one side and two rectilinear reference edges or reference planes 4b.
- the reference positions 4 are for example drilled, milled or otherwise manufactured.
- FIG. 1 a plug housing 5 for the electrical contacting of the LED light source 2 is shown in FIG.
- the reflector 1 is referenced, i. aligned and positioned on the support plate 3, as shown in Figures 5-8 from different views.
- the reflector 1 has, in the illustrated embodiment, a mounting base 1 'which corresponds to the corresponding formations corresponding to the reference positions 4 a, 4 b, for example an extension 1 a, which is arranged in the slot 4a, and of Base surfaces or base levels lb, which come to rest on the reference surfaces 4b of the support plate 3, is equipped.
- FIGS. 5 and 6 the referencing of the reflector or of the reflector base 1 'on the reference surfaces 4b with its sections 1b can be clearly seen, while FIGS. 5 and 6 show how the reflector 1 or the base 1' with the extension la is positioned in the slot 4a.
- the reflector 1 is positioned in the desired position with respect to the arranged on the support plate 3 LED light source 1 on the support plate 3 and is fixed to the support plate 3 and with respect to the support plate 3, as described below is.
- the reflector 1 assumes the desired position.
- the reflector 1 can be temporarily fixed temporarily with a restoring element 7, for example in the form of a spring (for example a compression spring); the return element 7 holds the reflector 1 or generally the light-shaping body as long as in its reference position (desired position) until it is finally fixed.
- a restoring element 7 for example in the form of a spring (for example a compression spring); the return element 7 holds the reflector 1 or generally the light-shaping body as long as in its reference position (desired position) until it is finally fixed.
- FIG. 9 shows, in this context, a light module 10 according to the invention.
- the carrier plate 3 is fastened to the heat sink 6, for example glued to it.
- the heat sink 6, which is also shown in Figure 2, has two sections 6a, 6a ', which are perpendicular to each other.
- the support plate 3 is arranged on one of the two sections 6a, for example bonded thereto.
- the heat sink 6 has a stop region 6b for the restoring element 7, which stop region 6b is formed, for example, in one piece with the two sections 6a, 6a '.
- the restoring element 7 When the reflector 1 is positioned, the restoring element 7 bears against the abutment region 6b and is compressed, ie the restoring element 7 is prestressed between the section 6b and the mounting base V, so that the mounting base V is pressed into the reference positions 4a, 4b. In this way, the reflector 1 is held at least temporarily in this position.
- the return element 7 is preferably, as shown, integrally connected to the reflector 1, in particular with its mounting base 1 '.
- the reflector 1 is fastened with its mounting base V to the heat sink 6, so that a stable attachment is formed.
- the reflector 1 or its mounting base V has a first, here inner support surface lc, by means of which the base 1 'rests on the board, and a second, here outer support surface ld, by means of which Base 1 'on the heat sink 6, ie rests on the portion 6 a of the heat sink 6. In this way, the distance of the reflector surface to the at least one light source can be reliably adjusted.
- the fasteners 8 are used, for example, as springs, e.g. designed as sheet metal springs, which springs are preferably formed in the form of bow springs.
- the springs are preferably clipped onto the heat sink 6 and the mounting base 1 'in this embodiment, the base V additionally has slot-shaped openings for hooking in the fastening elements 8, for example as shown in FIGS. 9 and 10.
- the light module 10 is shown here with a dedicated heat sink 6 assigned only to the light module 10 shown.
- a heat sink is provided for a plurality of light modules, so that a plurality of carrier plates with light source and light-shaping body are arranged on a single heat sink.
- the light-shaping body may also be an optical system, such as a lens, a light guide, etc.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50335/2012A AT513339B1 (de) | 2012-08-23 | 2012-08-23 | Lichtmodul für ein Kraftfahrzeug sowie Kraftfahrzeugscheinwerfer |
| PCT/AT2013/050153 WO2014028955A1 (de) | 2012-08-23 | 2013-08-07 | Lichtmodul für ein kraftfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2888520A1 true EP2888520A1 (de) | 2015-07-01 |
| EP2888520B1 EP2888520B1 (de) | 2020-09-30 |
Family
ID=49170500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13762368.2A Active EP2888520B1 (de) | 2012-08-23 | 2013-08-07 | Lichtmodul für ein kraftfahrzeug |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9500332B2 (de) |
| EP (1) | EP2888520B1 (de) |
| JP (1) | JP6202288B2 (de) |
| CN (1) | CN104541098B (de) |
| AT (1) | AT513339B1 (de) |
| BR (1) | BR112014031642A2 (de) |
| IN (1) | IN2015MN00395A (de) |
| MX (1) | MX343277B (de) |
| WO (1) | WO2014028955A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3018751B1 (fr) | 2014-03-20 | 2017-11-24 | Valeo Iluminacion Sa | Ensemble d'eclairage et/ou de signalisation, comportant un adaptateur apte a etre loge dans un module lumineux de vehicule automobile |
| CN108431490B (zh) * | 2016-01-12 | 2020-11-03 | 亮锐控股有限公司 | 具有准确光学元件定位的照明布置 |
| DE102016108260A1 (de) * | 2016-05-04 | 2017-11-09 | Automotive Lighting Reutlingen Gmbh | Verfahren zur Anordnung eines Schaltungsträgers und Vorrichtung zur Anordnung eines Schaltungsträgers |
| FR3086727A1 (fr) | 2018-09-27 | 2020-04-03 | Valeo Vision | Module lumineux avec platine lumineuse fixee avec des pinces a ressort |
| DE102020108894A1 (de) | 2020-03-31 | 2021-09-30 | HELLA GmbH & Co. KGaA | Lichtmodul, Scheinwerfer, Kraftfahrzeug sowie Verfahren zum Herstellen des Lichtmoduls |
| FR3118656B1 (fr) * | 2021-01-05 | 2023-05-12 | Psa Automobiles Sa | Groupe optique pour module optique de projecteur de véhicule automobile |
| CN119836543A (zh) | 2022-08-03 | 2025-04-15 | 亮锐有限责任公司 | 头灯组件和组装的方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005033709B4 (de) * | 2005-03-16 | 2021-12-16 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Lichtemittierendes Modul |
| JP4640962B2 (ja) * | 2005-07-29 | 2011-03-02 | 株式会社小糸製作所 | 車両用前照灯 |
| JP4677971B2 (ja) * | 2006-10-26 | 2011-04-27 | 市光工業株式会社 | 車両用灯具 |
| DE102007023918A1 (de) * | 2007-05-23 | 2008-11-27 | Siemens Ag Österreich | Beleuchtungseinheit |
| EP2182275A1 (de) * | 2008-10-31 | 2010-05-05 | Osram Gesellschaft mit Beschränkter Haftung | Beleuchtungsmodul und entsprechendes Verfahren |
| JP2010182486A (ja) * | 2009-02-04 | 2010-08-19 | Koito Mfg Co Ltd | 車両用灯具 |
| CA2768777C (en) * | 2009-07-21 | 2017-11-28 | Cooper Technologies Company | Interfacing a light emitting diode (led) module to a heat sink assembly, a light reflector and electrical circuits |
| DE102009047493A1 (de) * | 2009-12-04 | 2011-06-09 | Osram Gesellschaft mit beschränkter Haftung | Leuchtvorrichtung und Aufsatzelement zur Befestigung an der Leuchtvorrichtung |
| EP2428725B1 (de) * | 2010-09-10 | 2019-11-20 | Koito Manufacturing Co., Ltd. | Fahrscheugscheinwerfer |
| CN202188335U (zh) * | 2011-11-10 | 2012-04-11 | 无锡通明科技有限公司 | 一种小尺寸宽配光led筒灯 |
-
2012
- 2012-08-23 AT ATA50335/2012A patent/AT513339B1/de active
-
2013
- 2013-08-07 IN IN395MUN2015 patent/IN2015MN00395A/en unknown
- 2013-08-07 EP EP13762368.2A patent/EP2888520B1/de active Active
- 2013-08-07 BR BR112014031642A patent/BR112014031642A2/pt active Search and Examination
- 2013-08-07 WO PCT/AT2013/050153 patent/WO2014028955A1/de not_active Ceased
- 2013-08-07 US US14/420,393 patent/US9500332B2/en active Active
- 2013-08-07 CN CN201380044342.7A patent/CN104541098B/zh active Active
- 2013-08-07 JP JP2015527738A patent/JP6202288B2/ja active Active
- 2013-08-07 MX MX2015002314A patent/MX343277B/es active IP Right Grant
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014028955A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2015002314A (es) | 2015-06-23 |
| JP2015529952A (ja) | 2015-10-08 |
| US9500332B2 (en) | 2016-11-22 |
| IN2015MN00395A (de) | 2015-09-04 |
| CN104541098B (zh) | 2017-07-04 |
| AT513339B1 (de) | 2015-02-15 |
| AT513339A1 (de) | 2014-03-15 |
| WO2014028955A1 (de) | 2014-02-27 |
| CN104541098A (zh) | 2015-04-22 |
| BR112014031642A2 (pt) | 2017-06-27 |
| EP2888520B1 (de) | 2020-09-30 |
| US20150219297A1 (en) | 2015-08-06 |
| JP6202288B2 (ja) | 2017-09-27 |
| MX343277B (es) | 2016-10-28 |
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