EP2115349A1 - Headlight - Google Patents
HeadlightInfo
- Publication number
- EP2115349A1 EP2115349A1 EP08717385A EP08717385A EP2115349A1 EP 2115349 A1 EP2115349 A1 EP 2115349A1 EP 08717385 A EP08717385 A EP 08717385A EP 08717385 A EP08717385 A EP 08717385A EP 2115349 A1 EP2115349 A1 EP 2115349A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- reflector
- headlight according
- lamp
- 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
-
- 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
-
- 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
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- 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
- F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
Definitions
- the invention relates to a headlamp, in particular a vehicle headlamp, with a reflector, which is associated with a light source, which is contacted by means of a contact carrier carrying electrical contacts.
- a vehicle headlamp in which a reflector with a receptacle for a lamp, in ⁇ example, a halogen lamp is designed, which protrudes with her lamp vessel in the reflector, wherein the lamp cap with the electrical contact lugs of the lamp is arranged on the back outside of the reflector.
- a contact housing is provided which is fastened via a carrier part on the rear side of the reflector.
- three reflectors are arranged laterally nested in each other, in which case the carrier part is arranged with the respective ei ⁇ NEN reflector associated contact housings on the back of this reflector assembly.
- the invention has for its object to provide a ge ⁇ ringem produced headlight.
- a headlamp in particular a vehicle headlamp, in which a reflector is associated with a light source which is contacted by means of a carrier fixed to the reflector and carrying electrical contacts.
- the carrier is also designed with a coupling for fixing the light source.
- the carrier thus performs a dual function ⁇ because it carries both the housing-side contacts and the to be contacted so that the light source, so that the mechanical and electrical contacting of the Light source are placed in the carrier inside.
- the light source can be aligned very precisely with respect to the reflector (referencing).
- the electrical contacts are made dimensionally extremely exact to the light source side contacts. Another advantage is that by eliminating a coupling on the reflector this can be performed very easily and with high optical quality.
- the coupling for fixing the light source is preferred ⁇ as a bayonet coupling with a reference surface for the defined system of the light source executed.
- the support of the carrier at the back of the reflector is particularly stable when this is executed as a three-point bearing ⁇ leads. It is preferred to arrange the coupling centrally on the carrier, which is then carried out with three radially projecting support arms, one of which carries the contacts and which are fixed along their end portions on the reflector.
- the pins can be asymmetrically arranged or formed, so that an accidental rotation of the carrier is excluded.
- the pins are preferably designed with a radiallyteilge ⁇ set end portion for placing a Sich ceremoniessmit ⁇ means , wherein connected to a reflector with the reflector. which base part an annular support surface is created for the carrier.
- the preparation of the carrier is particularly simple if it is made as an injection molded part, wherein a contact housing receiving contacts is integ ⁇ ration in the carrier.
- FIG. 1 shows a three-dimensional illustration of a vehicle headlight rear side
- Figure 2 is an exploded view of the vehicle headlight of Figure 1;
- Figure 3 is a detail view of a reflector of the vehicle headlight of Figure 1 and
- Figures 4 and 5 representations of a carrier of the vehicle ⁇ headlight of Figure 1.
- He ⁇ invention will be explained below with reference to a vehicle ⁇ headlamp.
- He ⁇ invention can also be used in other headlight system or lights.
- the reflector / lamp assembly 1 shows a three-dimensional representation of a reflector / lamp assembly 1, which is used in a not dargestell ⁇ tes headlight housing, which in radiating direction is closed by a translucent front cover.
- the reflector / lamp assembly 1 consists essentially of a reflector 2, on the back visible in Figure 1, a support 4 is fixed, which carries a light source, such as a Einticianl- halogen incandescent lamp or a xenon lamp and a contact ⁇ housing 8.
- the contact housing 8 has arranged in recesses 10, 12 socket contacts, which are also connected via not shown connecting cable to the power supply.
- the illustrated halogen incandescent lamp 6 is embodied with two radially projecting and superimposed contact lugs 14, 16 which, when the halogen incandescent lamp 6 is screwed in, swivel into the contact housing 8 from the open side of the recesses 10, 12 visible in FIG. 1, and then in the illustrated final rotational position of FIG halogen incandescent lamp 6 is in contact with the initially called ge ⁇ contacts.
- the contact housing 8 is shown visible from the rear, so that the rear-side mouths of the recesses 10, 12 can be seen, in which said contacts are inserted and out of which extend the connection cables.
- the contact housing 8 is approximately cuboidal, and has two contact slots 18, 20 on its facing the halogen incandescent lamp wall 6, 20 through which the contact lugs 14, 16 can be pivoted into their Endpo ⁇ position. Further details of the contact housing 8 are explained below with reference to FIGS. 4 and 5.
- three Zap ⁇ fen 22, 24, 26 are formed on the Re ⁇ reflector rear side for attachment of the carrier 4, each having a radially ⁇ to reset end portion 28 and pressed against the reflector back wall base 30 have.
- a Ra ⁇ dialschulter between the base portion 30 and the end portion 28 of the pin 26 forms a bearing surface 32 for the carrier 4.
- the three pins 22, 24, 26 lie on a common pitch circle, the angular distance equal (120 °) or be selected differently can. In the latter case, a rotation is then guaranteed.
- the reflector 2 can be made of thermosets by pressing and possibly vapor deposition with a reflector layer.
- the reflector 2 according to the invention has a recess 34 in the middle, through which extends a part of the base and the lamp vessel of the lamp. In contrast to conventional solutions, however, no means for holding the lamp 6 are provided on this reflector 2.
- This holder is integrated in the carrier 4 so that it can fulfill its double function mentioned above - electrical and mechanical contacting of the lamp 6.
- Details of the carrier 4 are reference to Figures 4 and 5 erläu ⁇ tert wherein ben Figure 4 is an isometric view of o- and Figure 5 shows a bottom view of the carrier. 4
- the carrier 4 has an approximately star-shaped basic body with an approximately annular central part 36, on which three radially projecting support arms 38, 40, 42 are formed. These are aligned with respect to the pins 22, 24, 26 and are at their end portions with Assembly openings 44 provided, whose clear width corresponds to the diameter of the end portions 28 of the pins 22, 24, 26, so that the carrier 4 can be placed on this.
- the distribution of the pins 22, 24, 26 on the rear side of the reflector or its geometry can be selected such that the carrier 4 can only be placed in a certain position.
- the contact housing 8 is attached to the support arm 40 and stands with its visible in Figure 2 rear over the peripheral edges of the support arm 40 addition, so that there is enough space for receiving the contacts and the contact lugs available.
- the reflector 2 for white ⁇ send narrow side of the contact housing 8 closes with the side facing the reflector 2 major surface of the substrate 4 (see Fig. 5).
- the contact housing is arranged practically at the ⁇ ser narrow side "standing" on the support arm 40th As shown in Figure 5, the supporting arms of the end portions at the side facing the reflector 2 major surfaces 38, 40 in the loading rich recesses 46, 48 are provided, The cutout is not provided along the bottom surfaces of the carrier 4 on the associated pegs 22 and 24.
- the base part of the associated peg 26 is designed with a smaller axial length in order to provide a planar contact of the carrier 4 to allow the pins 22, 24, 26 and thus with respect to the reflector 2.
- a rotation is also effected.
- the fastening of the lamp 6 is carried out in a conventional manner via a bayonet closure, wherein the housing-side
- the coupling is designed so that the base of the lamp 6 in their desired ⁇ position along a defined supporting surface 58 (see Figure 5) rests on the support 4, wherein the radial ⁇ positioning approximately edges thanks to the precise embodiment of the leadership of the bayonet cams 52, 54, 56 takes place. Since the position positioning of the lamp 6 with respect to the support member 4 is thus ensured in the locked state, the orientation of the lamp 6 with respect to the reflector 2 depends only on the exact attachment and adjustment of the support 4 on the reflector 2.
- This position change can be made easily transfer through adaptation of the journal geometry, Stud position or Endab ⁇ sections 28 of the pin.
- This can be done in the tool for the manufacture of the reflector 2, for example in that the pin length is adjusted by means of inserts on the press ⁇ tool by these pins are formed by inserts of the tool, which are respectively turned on or turned out to deviations in the axial direction to correct. Lateral (radial) deviations of the lamp position can be changed by lateral displacement of these inserts and thus the pin position.
- the cost-intensive reworking of the tool ent ⁇ falls thus, since only a fine adjustment of the tool inserts is required.
- the prefabricated carrier 4 When mounting the module, the prefabricated carrier 4 is placed on the end portions 28 of the pins 22, 24, 26 and then on the forth from the carrier 4 forth ⁇ end sections 28 each have a Sich ceremoniessmit ⁇ tel, for example, a lock washer 58 according to Figures 1 and 2 attached.
- Such locking washers 58 are designed with spring tongues, which hold the carrier 4 non-positively and positively on the respective pin 22, 24, 26.
- other securing means such as screws or the like can be used.
- the pin and sleeve-like receptacles can be provided in the then formed on the carrier 4 pins or inserted into the carrier 4 securing means, for example. Fastening bolts are used.
- the bayonet fitting is integrated in the carrier 4, in principle these elements of the bayonet closure could also be used as a metal component.
- a headlamp in particular a driving ⁇ zeugscheinwerfer, in which a reflector 2, a support 4 is fixed, which carries a lamp 6, preferably a Ha ⁇ logenglühlampe and contacts for contacting the lamp 6.
- a lamp 6 preferably a Ha ⁇ logenglühlampe and contacts for contacting the lamp 6.
- the support 4 thus the functions contacting and mechanical support and the references for positioning the lamp 6 are integrated.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007011430A DE102007011430A1 (en) | 2007-03-08 | 2007-03-08 | headlights |
PCT/EP2008/052629 WO2008107442A1 (en) | 2007-03-08 | 2008-03-04 | Headlight |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2115349A1 true EP2115349A1 (en) | 2009-11-11 |
EP2115349B1 EP2115349B1 (en) | 2013-01-23 |
Family
ID=39434317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08717385A Not-in-force EP2115349B1 (en) | 2007-03-08 | 2008-03-04 | Headlight |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2115349B1 (en) |
DE (1) | DE102007011430A1 (en) |
WO (1) | WO2008107442A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT513362B1 (en) * | 2012-08-23 | 2014-06-15 | Zizala Lichtsysteme Gmbh | Method for positioning a light-shaping body |
DE102013102835B4 (en) * | 2013-03-20 | 2022-12-29 | HELLA GmbH & Co. KGaA | lighting device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1034045B (en) * | 1955-11-04 | 1958-07-10 | Fabrication Des Projecteurs El | Vehicle headlights with pin lamp and parking lights |
DE3715532C2 (en) * | 1987-05-09 | 1995-08-31 | Bosch Gmbh Robert | Light for motor vehicles, in particular front parking and / or position lights for passenger vehicles |
FR2790063B1 (en) * | 1999-02-22 | 2001-06-08 | Valeo Vision | MOTOR VEHICLE HEADLIGHT COMPRISING IMPROVED LAMP RETAINING MEANS |
DE29924897U1 (en) | 1999-03-29 | 2006-06-29 | Hella Kgaa Hueck & Co. | Lamp holder for vehicle headlamp, has a holder in which lamp can be pre-mounted and that can be attached to lamp neck of a reflector with a locking device, where holder has bayonet tongues that can be locked to lamp neck reflector |
DE102005033882B4 (en) * | 2005-07-20 | 2015-04-09 | Automotive Lighting Reutlingen Gmbh | Lighting device for motor vehicles, assembly for such a lighting device and method for mounting such a lighting device |
DE102005045765A1 (en) | 2005-09-23 | 2007-04-12 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | vehicle headlights |
-
2007
- 2007-03-08 DE DE102007011430A patent/DE102007011430A1/en not_active Withdrawn
-
2008
- 2008-03-04 EP EP08717385A patent/EP2115349B1/en not_active Not-in-force
- 2008-03-04 WO PCT/EP2008/052629 patent/WO2008107442A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2008107442A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2115349B1 (en) | 2013-01-23 |
WO2008107442A1 (en) | 2008-09-12 |
DE102007011430A1 (en) | 2008-09-11 |
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