EP1455134A1 - Befestigungsvorrichtung für eine Lampe - Google Patents

Befestigungsvorrichtung für eine Lampe Download PDF

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Publication number
EP1455134A1
EP1455134A1 EP04290553A EP04290553A EP1455134A1 EP 1455134 A1 EP1455134 A1 EP 1455134A1 EP 04290553 A EP04290553 A EP 04290553A EP 04290553 A EP04290553 A EP 04290553A EP 1455134 A1 EP1455134 A1 EP 1455134A1
Authority
EP
European Patent Office
Prior art keywords
light source
reflector
locking
bosses
support
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
Application number
EP04290553A
Other languages
English (en)
French (fr)
Other versions
EP1455134B1 (de
Inventor
Jean Masse
Daniel Josquin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP1455134A1 publication Critical patent/EP1455134A1/de
Application granted granted Critical
Publication of EP1455134B1 publication Critical patent/EP1455134B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/194—Bayonet attachments
    • 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

Definitions

  • the subject of the present invention is a fixing system for a lamp. locking. Its main purpose is to offer a solution for facilitate reliable fixing of lamps in reflectors of different projector devices, and so that the fixing operation does not damage certain elements undergoing friction or contact during this surgery.
  • dual mode headlights which combine the functions of low beam and long range lights: for this purpose, it is notably possible to place inside the dual mode projector a DFCS type light source (for Double Filament suitable for Complex Surfaces), which has two filaments separate, a first filament being dedicated to a use of the source bright as a low beam, and a second filament being dedicated using the light source as a main beam.
  • DFCS type light source for Double Filament suitable for Complex Surfaces
  • All the projector devices which have just been mentioned comprise at least one light source and one reflector comprising an optical surface made up of a set of reflecting surfaces the arrangement and orientation of which are defined so as to produce a particular light beam.
  • the light source fixing operation on the reflector poses a number of difficulties, which will be detailed later, when assembling the projector device, all the more that so-called "one touch" fixing operations are now preferred for fixing DFCS type light sources.
  • the operations of so-called "one touch" fixation which can result in fixation operation simplified, are operations which consist in carrying out the fixing of the light source on the reflector in a single, decomposable operation in a translational movement, to introduce the bulb from the source luminous through a cavity formed at the top of the reflector, combined with a rotary movement, to lock the light source on the reflector.
  • the fixing system according to the invention is used in the context of these simplified fixing operations. Although these fixing operations simplified are, for the moment, mainly intended for sources DFCS lights, the fixing system according to the invention is not limited to these light sources only, but concerns all the devices previously mentioned projectors, even those not using sources DFCS lights, which are likely to use the fixing operation simplified previously mentioned.
  • the light source 200 essentially comprises a bulb 201, shown in dotted lines, fixed on a support 202.
  • the support 202 is, for its part, consisting of a first cylindrical part 203, on which is fixed the bulb 201 and whose apex is centered on a lower face of a second cylindrical part 204, itself terminated by a gripping means 205 of the light source 200 which allows the latter to be manipulated.
  • the second cylindrical part 204 is wider than the first part cylindrical 203. It has, on its side wall, a set of fixing tabs 206. On the side wall of the first part cylindrical 203, a set of locking tabs 207.
  • underside of the second cylindrical part 204 corresponds, at the level of its periphery left accessible after the junction with the first part cylindrical 203, to a contact area 208 of the support 202.
  • This area of contact 208 is intended to come to bear on the external face of the reflector 100 when fixing is done.
  • Contact area 208 includes a set of flexible blades 209. These flexible blades follow the circular shape of the contact area 208. They have a first end 210 molded in the thickness of the contact zone 208, and a second end 211, called the free end, which slightly exceeds the plane defined by the contact area 208. Their function, in the state of the art, is to put the light source 200 in support along a reference plane perpendicular to the optical axis.
  • the reflector 100 consists of an external face 101, visible at the Figure 1, and an internal face 102; the reflector 100 having been the subject, at the FIG. 2, of a section for the purposes of the description, the internal face 102 is visible in this figure.
  • the internal face 102 is also called optical surface of the reflector: it is responsible for reflecting the light rays emitted by light source 200 when the latter is fixed on the reflector 100 and that the bulb 201 radiates.
  • the reflector 100 has a circular opening 103 formed approximately at its top.
  • the opening 103 is disposed at one end of a termination 104 of the reflector 100, said termination 104 being of cylindrical shape.
  • the support surface 105 has an inner face 106, belonging to the internal face 102 of the reflector 100, and an external face 107 belonging to the external face 101 of the reflector 100.
  • the bearing surface 105 has approximately the shape of a ring in the center of which we find the circular opening 103.
  • the circular opening 103 is completed by 108 clearances which are intended to allow the legs of locking 207 of the light source 200 in the cylindrical termination 104.
  • the simplified fixing operation of the light source 200 on the reflector 100 can be broken down into two distinct movements: a first movement, called introductory, consists of a translation along the optical axis of the light source 200 towards the reflector 100 so that that the bulb 201 is inserted into the circular opening 103 of the reflector 200.
  • the arrangement of the light source during the insertion movement is such that the locking tabs 207 are arranged facing the clearances 108 which complete the circular opening 103 so that that they can also be introduced inside the reflector 100.
  • the flexible blades 209 are in contact with the external face 107 of the support surface 105. It is then necessary apply light pressure to the light source to distort the flexible blades 209 slightly so that the locking tabs 207 have fully entered clearances 108.
  • the dimensions of the support surface 105 and of the contact area 208 are such that at the end of the introduction step, the bearing surface 105 and the contact zone 208 seems to form a single cylinder.
  • the locking step consists of a rotational movement, in a plane defined by the bearing surface 105, of the light source 200, with respect to the reflector 100. Different stages of this movement is detailed by referring to figure 3.
  • the protuberances may for example consist of a deformation of the free ends 211, for example of rounded shape, to present kinds of hooks, or to be so-called protrusions additional consisting of the addition of material on the free ends 211.
  • the bearing surface 105 is thus pinched between the locking tabs 207 and the contact zone 208 by means of the flexible blades 209.
  • each tab of lock 207 evolves on the inner face 106 where it meets a boss 301 disposed on this internal face 106.
  • Each tab of locking 207 then follows the curve of the boss, which has the effect of press the free end 211 of each flexible blade 209 against the area of contact 208 of the light source 200.
  • the representation of FIG. 3 corresponds to this precise moment of locking.
  • the acceleration phase must, according to the standards in force, mark the end of the locking movement. Consequently, in the case, by example, DFCS light sources, the passage of the locking 207 on the bosses 301 takes place simultaneously with the insertion of each fixing tab 206 in a holding element 302 corresponding, each holding element 302 being arranged on the face outside 107 of the bearing surface 105 of the reflector 100 at a position suitable for receiving the fixing tab 206 which is intended for it.
  • the holding elements 302 can for example be clips, that is to say elastic members which, by deformation at coupling, allow the making a mechanical connection or, in some cases, a connection electric.
  • each fixing tab 206 is inserted into the clip 302 which is attached to it intended; simultaneously, each locking tab 207 encounters a stop 304, arranged in an adequate position on the inner face 106 of the bearing surface 105 so that each locking tab 207 is in contact with a stop, which is specifically intended for it, when the locking position is reached. Furthermore, when the position of locking is reached, the free ends 211 of the flexible blades 209 do not are more supported on the contact area 208. Their function is to maintain the light source 200 in support according to a reference plane, defined by the bearing surface 105 and perpendicular to the optical axis.
  • the bosses 301 provide a non-return effect which blocks the light source 200 in the position of locking by preventing a rotational movement in one direction locking direction antagonist 300 can be performed without a significant external contribution.
  • At least one fixing tabs 206 is electrically conductive, and the clip which associated with it is disposed in a connector 303 which also receives a power supply.
  • the following - the stops 304, bosses 301, clearances 108, flexible blades 209, the fixing tabs 206 and the locking tabs 207 - are divided into three sets of fasteners, each set of elements comprising one of these elements, said elements being arranged so that they can cooperate to realize a fixing system operating according to the mechanism which has just been described.
  • the distribution of sets of elements is such that the different elements are regularly spaced around the periphery of the parts that support them. In other embodiments, we plan to have one, two, four - or more - sets of fasteners.
  • a first problem encountered with this type of fastening system is that the presence of the bosses 301 on the internal face 102 of the reflector 100 has several drawbacks:
  • the internal face 102 of the reflector is intended to be covered at least with a varnish; during the passage of the legs of lock 207, which are not deformable, on bosses 301, we risk of removing particles of varnish, particles of coating in aluminum or even particles of the material constituting the reflector.
  • This the latter can be made of a metallic material, for example aluminum, or thermosetting or thermoplastic polymers. The particles torn off then pollute the interior of reflector 100 and disturb the integrity of the optical surface.
  • a second problem encountered with the type of fastening system described is that the movement of insertion of the light source 200 into the reflector 100, which is a translational movement along the optical axis, is disturbed by an antagonistic movement going in the opposite direction of the direction of insertion when the locking tabs 207 are driven by the inertial effect after having crossed the top of the bosses 301. Besides the causes this movement in a direction opposite to the direction of insertion may be surprising for the user, it especially testifies to the fact that during the crossing the bosses 301, the fixing tabs 206 have undergone movement which made them leave their position of alignment in relation to clips into which they should be inserted. In other words, the translational movement of the insertion operation is followed by a rotational movement during which a parasitic movement is observed of translation relative to the axis of insertion of the clips 302 and the tongues associated fasteners 206.
  • the fixing system according to the invention therefore makes it possible to overcome a parasitic translational movement mentioned above, in particular by the transfer of the bosses arranged in the state of the art on the surface optic from the reflector to the non-optical surface of the reflector.
  • the presence of cavity (ies) at the level of the light source allows this (this) flexible tab (s) to flex inside this (these) cavity (ies) without causing disturbing movement of the light source.
  • the invention therefore mainly relates to a system of fixing, in an automotive lighting and / or signaling device of projector type, between a light source, comprising including a light bulb, a support, and a set of legs and a reflector, having an internal face and an external face, said reflector comprising an opening proximity of which the light source pinches the reflector between the locking tabs, in contact with the internal face, and a support contact area, opposite the external face reflector, characterized in that the light source has at least one protruding element disposed on the area of contact of the support and in that the reflector comprises at minus a boss on its external face to identify the passage of one of the protruding elements of the set of elements protuberants during a source locking operation light on the reflector.
  • the fixing system provides both mechanical locking of the source light to the reflector and the electrical connection of the said source: it is a lamp assembly known under the term English "one touch" lamp mounting, where only one operation ensures the electrical and mechanical mounting of the lamp.
  • Another object of the invention is a motor vehicle equipped with a projector device using the fixing system having one of the features just mentioned.
  • DFCS lamps are known to present three tabs of radial electrical connection, distributed around the perimeter of the lamp, H11 lamps have a filament and only two radial tabs one being parallel / superimposed on each other.
  • These lamps can also have at least one cavity, suitable for cooperate with / receive all or part of a protruding element according to the invention.
  • Another object of the present invention is an intervening reflector in the fastening system having one of the characteristics which have just been mentioned.
  • Another object of the invention is a method of locking a light source on a reflector, by means of a fixing system having at least one of the characteristics which have just been mentioned, and where a mechanical lock of the light source on the reflector is made simultaneously with an electrical connection of the source light.
  • Figure 4 shows an example of an attachment system according to the invention. Much of the elements shown in Figure 3 are found in Figure 4. These elements retain the same function as in the state of the art described. The differences from the representation of FIG. 3, corresponding to the state of the art, are the following:
  • the bosses have been replaced 301 arranged, in the prior art, on the inner face 106 of the bearing surface 105 of the reflector 100, by at least one boss 400 which is disposed on the outer face 107 of the bearing surface 105.
  • the bosses 400 allow an installer to realize the end of the light source 200 locking operation on the reflector 100. They are therefore placed so that the passage of a protrusion on a boss occurs simultaneously with the introduction of fixing tabs 206 in the holding elements 302.
  • the bosses 400 being arranged on the outer face 107 of the bearing surface 105, it is judicious to have the protrusions, intended to pass on the bosses 400, at the contact area 208 of the support 202 of the light source 200.
  • the free ends 211 are used flexible blades 209, and, even more advantageously, their protuberance 305, as a protuberance serving to identify the bosses 400.
  • the protrusions 305 pass at the level of the bosses 400, the light source 200 no longer undergoes translational movement, according to the optical axis, additional during the phase rotation movement locking, as was the case in the prior art.
  • the elasticity, flexibility of the free ends 211 of the blades flexible 209 eliminates this additional translational movement: slightly distorting, the free ends 211, which are sufficiently elastic to return to their initial position after the passage of the bosses 400, ensure, during the passage of bosses 400, the maintenance fixing tabs 206 in an alignment position with respect to to the holding elements 302.
  • the free ends 211 supporting the protrusions 305 can, if necessary, rise slightly above the level of the contact area 208 to ensure permanent alignment of the tabs of fixing 206 and holding elements 302, even when the protrusions 305 reach the top of the bosses 400.
  • the elements holding 302 are no longer deformed when crossing the bosses, which guarantees their sustainable use and, if necessary if necessary, optimal electrical conduction.
  • each cavity 500 is arranged so that it receives the free end 211 and its possible additional protuberance 305, when the legs lock 207 finish passing through clearances 108 when of the insertion phase previously described.
  • Each cavity 500 precedes therefore a boss 400 in the locking direction.
  • the installer who felt increased resistance encountered in the locking movement before feeling the inertial effect, knows that the operation locking is complete. He was thus able to benefit simultaneously from a mounting comfort and a technical guarantee: certainty as to good final positioning of the fixing tabs 206 in the clips 302. This good positioning is particularly important when at least one of the fixing tabs 206 also acts as a connecting tab electric.
  • the invention has therefore developed a mounting system "one touch" type of a lamp in the reflector, where the lamp resting on the outside of the reflector during the passage of the lamp on the boss 301, which in particular makes it possible to avoid deforming the electrical connection part 302 during the insertion of the tabs of electrical connection 206.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP04290553A 2003-03-06 2004-03-01 Befestigungsvorrichtung für eine Lampe Expired - Lifetime EP1455134B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0302805 2003-03-06
FR0302805A FR2852083B1 (fr) 2003-03-06 2003-03-06 Systeme de fixation pour lampe a verrouillage

Publications (2)

Publication Number Publication Date
EP1455134A1 true EP1455134A1 (de) 2004-09-08
EP1455134B1 EP1455134B1 (de) 2011-09-14

Family

ID=32799642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04290553A Expired - Lifetime EP1455134B1 (de) 2003-03-06 2004-03-01 Befestigungsvorrichtung für eine Lampe

Country Status (3)

Country Link
EP (1) EP1455134B1 (de)
AT (1) ATE524693T1 (de)
FR (1) FR2852083B1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2899312A1 (fr) * 2006-04-04 2007-10-05 Valeo Vision Sa Dispositif d'eclairage ou de signalisation notamment pour un vehicule automobile
WO2008020400A1 (en) * 2006-08-18 2008-02-21 Philips Intellectual Property & Standards Gmbh Fastening system and lamp having a fastening system
EP1637803A3 (de) * 2004-09-18 2008-09-03 Hella KGaA Hueck & Co. Beleuchtungseinrichtung für Fahrzeuge
WO2011029741A1 (de) * 2009-09-08 2011-03-17 Osram Gesellschaft mit beschränkter Haftung Lampeneinheit
FR2957656A1 (fr) * 2010-03-17 2011-09-23 Tbi Systeme de montage d'une lampe halogene automobile dite " h1 " sur un reflecteur
WO2012000196A1 (zh) * 2010-06-30 2012-01-05 Qin Biao Led照明灯及其灯芯和灯具
GB2489204A (en) * 2011-03-14 2012-09-26 Derek William Rowsell Vehicle headlamp bulb fitting device
US20230242212A1 (en) * 2022-01-31 2023-08-03 Arctic Cat Inc. Adjustable belt drive assembly, system and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010455A (en) * 1990-05-07 1991-04-23 General Motors Corporation Headlamp assembly
FR2720346A1 (fr) * 1994-05-26 1995-12-01 Bosch Gmbh Robert Système d'éclairage pour véhicules, dont la source de lumière est fixée dans une ouverture ménagée au sommet du réflecteur.
EP0713998A1 (de) * 1994-11-22 1996-05-29 SUMITOMO WIRING SYSTEMS, Ltd. Montagevorrichtung und Verfahren für Lampensockel
DE19951203A1 (de) * 1999-10-22 2001-04-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schweinwerferlampe
WO2003032365A2 (de) * 2001-09-28 2003-04-17 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Scheinwerferlampe
WO2003056237A1 (en) * 2002-01-02 2003-07-10 Philips Intellectual Property & Standards Gmbh Lamp and headlight for simple mounting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010455A (en) * 1990-05-07 1991-04-23 General Motors Corporation Headlamp assembly
FR2720346A1 (fr) * 1994-05-26 1995-12-01 Bosch Gmbh Robert Système d'éclairage pour véhicules, dont la source de lumière est fixée dans une ouverture ménagée au sommet du réflecteur.
EP0713998A1 (de) * 1994-11-22 1996-05-29 SUMITOMO WIRING SYSTEMS, Ltd. Montagevorrichtung und Verfahren für Lampensockel
DE19951203A1 (de) * 1999-10-22 2001-04-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schweinwerferlampe
WO2003032365A2 (de) * 2001-09-28 2003-04-17 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Scheinwerferlampe
WO2003056237A1 (en) * 2002-01-02 2003-07-10 Philips Intellectual Property & Standards Gmbh Lamp and headlight for simple mounting

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637803A3 (de) * 2004-09-18 2008-09-03 Hella KGaA Hueck & Co. Beleuchtungseinrichtung für Fahrzeuge
EP1847770A1 (de) * 2006-04-04 2007-10-24 Valeo Vision Vorrichtung zur Beleuchtung oder Signalisierung insbesondere für Kraftfahrzeuge
FR2899312A1 (fr) * 2006-04-04 2007-10-05 Valeo Vision Sa Dispositif d'eclairage ou de signalisation notamment pour un vehicule automobile
US7988347B2 (en) 2006-08-18 2011-08-02 Koninklijke Philips Electronics N.V. Fastening system and lamp having a fastening system
WO2008020400A1 (en) * 2006-08-18 2008-02-21 Philips Intellectual Property & Standards Gmbh Fastening system and lamp having a fastening system
CN102483211A (zh) * 2009-09-08 2012-05-30 欧司朗股份有限公司 灯单元
WO2011029741A1 (de) * 2009-09-08 2011-03-17 Osram Gesellschaft mit beschränkter Haftung Lampeneinheit
CN102483211B (zh) * 2009-09-08 2014-05-07 欧司朗股份有限公司 灯单元
US8770799B2 (en) 2009-09-08 2014-07-08 Osram Ag Lamp unit
FR2957656A1 (fr) * 2010-03-17 2011-09-23 Tbi Systeme de montage d'une lampe halogene automobile dite " h1 " sur un reflecteur
WO2011114066A3 (fr) * 2010-03-17 2011-11-10 Tbi Systeme de montage d'une lampe halogene automobile dite « h1 » sur un reflecteur
WO2012000196A1 (zh) * 2010-06-30 2012-01-05 Qin Biao Led照明灯及其灯芯和灯具
GB2489204A (en) * 2011-03-14 2012-09-26 Derek William Rowsell Vehicle headlamp bulb fitting device
US20230242212A1 (en) * 2022-01-31 2023-08-03 Arctic Cat Inc. Adjustable belt drive assembly, system and method

Also Published As

Publication number Publication date
EP1455134B1 (de) 2011-09-14
ATE524693T1 (de) 2011-09-15
FR2852083A1 (fr) 2004-09-10
FR2852083B1 (fr) 2006-04-14

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