EP1528314A2 - Kfz-Scheinwerfer mit einem Verbindungsträger für eine verriegelbare Lampe - Google Patents

Kfz-Scheinwerfer mit einem Verbindungsträger für eine verriegelbare Lampe Download PDF

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Publication number
EP1528314A2
EP1528314A2 EP04292524A EP04292524A EP1528314A2 EP 1528314 A2 EP1528314 A2 EP 1528314A2 EP 04292524 A EP04292524 A EP 04292524A EP 04292524 A EP04292524 A EP 04292524A EP 1528314 A2 EP1528314 A2 EP 1528314A2
Authority
EP
European Patent Office
Prior art keywords
reflector
connection support
connection
locking
projector device
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
EP04292524A
Other languages
English (en)
French (fr)
Other versions
EP1528314B1 (de
EP1528314A3 (de
Inventor
Daniel Josquin
Jean Masse
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 EP1528314A2 publication Critical patent/EP1528314A2/de
Publication of EP1528314A3 publication Critical patent/EP1528314A3/de
Application granted granted Critical
Publication of EP1528314B1 publication Critical patent/EP1528314B1/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
    • 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
    • F21S41/192—Details of lamp holders, terminals or connectors

Definitions

  • the present invention relates to a projector device equipped with a connection bracket for lock lamp. It is essentially for purpose of proposing a projector device some of which is used as mounting surface of a connection support. Said connection support is mounted in such a way that it guarantees a simple positioning correct means of electrical connection (or connector), a source light having counterparts of said connection means in cavities formed in said support: the goal is to ensure a correct and reliable electrical connection between these means of electrical connections and their counterparts.
  • bimodal projectors which combine the functions of low beam and long range lights: for this purpose, it is possible in particular to arrange inside the dual-mode projector a DFCS type light source (for Double Filament adapted to Complex Surfaces), which has two filaments separate, a first filament being dedicated to a use of the source bright as a passing light, and a second filament being dedicated use of the light source as high beam.
  • DFCS type light source for Double Filament adapted to Complex Surfaces
  • the set of projectors that have just been mentioned comprise at least one light source and a reflector comprising at least least one optical system, each optical system being composed each at least one light source associated with a reflector composed of a or more reflective surfaces whose layout and orientation are defined to produce a particular light beam.
  • the operation fixing the light source on the reflector poses a number difficulties in assembling the projector device, especially since so-called "one touch" fixing operations are now preferred for fixation of the DFCS type light sources.
  • Fixing operations say “one touch”, which can result in simplified fixing operation, are operations that consist in realizing the fixation of the source light on the reflector in a single operation, decomposable into one translational movement, to introduce the bulb of the light source through a cavity at the top of the reflector, combined with a rotation, to lock the light source on the reflector.
  • Mechanical fastening and electrical connection can, and preferably must, be simultaneously ensured by the simplified fixing operation.
  • connection support present in the invention intervenes in the framework of these simplified fixation operations. Although these operations simplification are, for the time being, mainly intended for light sources DFCS, the projector device according to the invention is not limited to these light sources only, but concerns all previously mentioned projectors, even those not using DFCS light sources, which are likely to use the Simplified fixation previously mentioned.
  • the connection support present in the invention can intervene in all the projectors equipped with light sources the connection means are arranged radially, whether by example of DFCS light sources, or standard lamps of the type H8, H9 or H11.
  • the light source 200 essentially comprises a bulb 201, dotted, fixed on a support 202.
  • the support 202 is, for its part, consisting of a first cylindrical portion 203, on which is fixed the bulb 201 and whose apex is centered on a lower face of a second cylindrical portion 204, itself terminated by a gripping means 205 of the light source 200 which allows to manipulate the latter.
  • the second cylindrical portion 204 is wider than the first portion cylindrical 203. It comprises, on its side wall, a set of connecting tabs 206. On the side wall of the first part 203, a set of locking lugs 207 has been arranged.
  • the flexible blades 209 follow the circular shape of the zone 208. They have a first end 210 cut into the thickness of the zone 208, and a second end 211, said free end, which exceeds slightly from the plane defined by zone 208.
  • the reflector 100 consists of an outer face 101, visible at the Figure 1, and an inner face 102; the reflector 100 having been subjected, at the Figure 2, a section for the purposes of the description, the inner face 102 is visible on this figure.
  • the inner face 102 is also called optical surface of the reflector: it is she who is responsible for reflecting the light rays emitted by the 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 arranged approximately at its summit.
  • the opening 103 is arranged at one end of a termination, or flange, 104 of the reflector 100, said termination 104 being of cylindrical shape.
  • a bearing surface 105 We dispose thus, around the opening 103, a bearing surface 105.
  • the bearing surface 105 has an inner face 106, belonging to to the inner face 102 of the reflector 100, and an outer face 107 belonging to the outer face 101 of the reflector 100.
  • the bearing surface 105 has approximately the shape of a ring in the center of which one finds the circular opening 103.
  • the circular opening 103 is completed by clearances 108 which are intended to let the legs of locking 207 of the light source 200 in the cylindrical terminal 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 according to the optical axis of the light source 200 to the reflector 100 so that the bulb 201 is introduced into the circular opening 103 of the reflector 200.
  • the arrangement of the light source during the introductory movement is such that the locking lugs 207 are arranged facing the clearances 108 that complete the circular opening 103 so they can also be introduced inside the reflector 100.
  • the flexible blades 209 are in contact with the outer face 107 of the bearing surface 105.
  • the dimensions of the bearing surface 105 and the zone 208 are preferably, similar and parallel to each other.
  • 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 steps of this movement are detailed with reference to FIG.
  • At least one boss 400 is disposed on the outer face 107 of the support surface 105.
  • three bosses can be provided, evenly spaced on the bearing surface 105.
  • the bosses 400 allow an installer to locate the end of the lock operation of the light source 200 on the reflector 100.
  • the free ends 211 of the flexible blades 209, and more particularly their protuberance 305, are used as protrusion for locating the bosses.
  • the light source 200 has an inertial effect to complete the lock: indeed, the movement is mechanically accelerated after passing from the top of the 400.
  • the acceleration phase must, according to the standards in force, mark the end of the locking movement.
  • the passage bosses 400 is performed simultaneously with the insertion of each connecting tab 206 in a holding member 302 corresponding, each holding member 302 being disposed on the face 107 of the bearing surface 105 of the reflector 100 at a position adequate to receive the connecting tab 206 which is intended for it.
  • the holding elements 302 may for example be clips, it is at elastic members which, by deformation when mating, allow the realization of a mechanical connection, and possibly a electrical connection.
  • each connection tab 206 is inserted into the clip 302 which is intended; simultaneously, at least one locking tab 207, and in particular each locking tab 207, meets a stop 304, disposed at a suitable position on the inner face 106 of the surface 105 so that each locking tab 207 is in contact with a stop 304 disposed on the reflector 100, which is specifically intended, when the locking position is reached.
  • the protrusions 305 of the blades hoses 209 are supported on the zone 208. Their function is to maintain the light source 200 bearing on the inner face 106.
  • the bosses 400 provide a anti-return effect which blocks the light source 200 in the position of locking by preventing a rotational movement in one direction antagonist to the locking direction 300 can be performed without a significant external contribution.
  • Cavities 401 may be provided in zone 208, at the level each free end 211.
  • the free ends 211 supporting the protuberances 305 can, if necessary, rise slightly above the level of zone 208 to ensure the permanent alignment of connecting tabs 206 and holding members 302, even when the protuberances 305 reach the top of the bosses 400. holding elements 302 are not deformed during the crossing bosses, which guarantees their sustainable use and, where appropriate, optimal electrical conduction.
  • the following elements - the stops 304, the bosses 400, the clearances 108, the flexible blades 209 and the legs of locking 207 - are divided into three sets of fasteners, each set of elements comprising one of these elements, elements being arranged in such a way that they can cooperate to achieve a fastening system operating according to the mechanism that has just been described.
  • the connection tabs 206 are also three in number.
  • Another locking solution known in the state of the art consists of having the bosses on the inner face 106 and not on the outer face 107. But such a solution has as a major disadvantage that the passage of the bosses is done by means of the legs of lock, which are not flexible; axial displacement of the source 200 luminous relative to the reflector 100 is then inevitable, training a misalignment of the connection tabs with respect to the elements of 302, which distorts the latter during the introduction of the connecting tabs.
  • connection support it is proposed to make a part intermediate which constitutes a connection support to receive the whole connecting tabs 206; the connection support is a part monobloc in which are made as many counterparts as there are connecting tabs 206 to be connected.
  • connection support is made of several parts which are pre assembled to trap the clips 302 during the final assembly.
  • the connection support is removable: it is arranged on a part of the reflector, in the vicinity of the flange 104, after molding said reflector, and can be easily removed later, for example to be replaced by a new connection medium with a number different from counterparts.
  • connection support is fixed on the reflector on anchor points integrated into the reflector, and whose realization did not complicate the realization of the reflector, no drawer addition that was necessary during the operations of molding / demolding of the reflector.
  • connection medium can present different ways to ensure that it is arranged in a position optimal for receiving the connection tabs connecting electric light source.
  • Said projector device comprises a removable connection support intended to be fixed on the external face of the reflector, said support connection comprising a set of counterparts of means of electrical connection, also called counterpart of means of connections, to ensure, in a locked position, an electrical connection with the connection tabs following a locking operation of the light source on the reflector.
  • Another object of the invention is a motor vehicle equipped with a projector device having the main features and one or many of the secondary features just mentioned. Another object of the invention relates to the reflector described above, another object of the invention relates to the connection support described above, a Another object of the invention relates to the light source described above.
  • connection support 500 shows a first embodiment of a connection support 500 that can be used in the projector device according to the invention.
  • the connection support 500 shown in plan view, is a part manufactured independently of reflector 100 and the light source 200. It can therefore be in a material different from that used for the realization of these parts.
  • the connection support 500 is made in a plastic material.
  • connection support 500 has an imposed circular arc shape by the arrangement of the connection tabs 206. It includes, in its thickness, a set of cavities 501 intended to each receive a connecting tab 206. For the sake of simplification of the figures, a cavity 501 has been shown in FIG. 4. In practice, the connection support 500 has at least as many cavities 501 as there are connection tabs 206 on the light source 200, the most economical solution to provide connection media 500 with exactly the number of cavities 501 that there are tabs However, it may be interesting to install in devices projectors connection supports with cavities that first remain unused, the light source 100 thus able to evolve and be replaced by a new light source having more connection tabs 206, the tabs of additional connections that can be introduced into cavities unused until then ..
  • the cavities are L-shaped.
  • first end 502 is intended to receive an electrical wire 503 from a general power connection means for the projector device.
  • a second end 504 is open: an opening 510, visible in the figure 5 which is a sectional view, according to the projection A, of the cavity 501, allows introducing inside the cavity 501, a connection tongue during the operation of introducing the light source into the opening 103 by a translation movement.
  • connection support 500 In each cavity 501, a counterpart of connection 505, which corresponds to reference 302 in FIG. connection means 505 serves to pinch the connection tab 206 at the end of the rotational movement of the light source 200 by relative to the reflector 100.
  • the counterparts of the connection means are in addition in contact with the electrical wire 503 to feed the source light.
  • connection support 500 has a hole 506 arranged at one of its extremities. It also features a tongue of 507 lock, disposed at its other end, said free end, two spring blades 508 and a locking tab 509 whose functions are present in reference to FIG. 6.
  • the reflector 100 comprises, close to the flange 104, a rotation pivot 600, completed by a thinner end 601 for housing in the hole 506 of the 500 connection support.
  • the connection support 500 can thus be placed by translational movement on the reflector 100 in a position not locked, shown in phantom in Figure 7.
  • the support connection 500 can then be brought into the locked position, represented in solid lines, by a displacement in rotation DD 'around the pivot 600.
  • the locking tab 509 is introduced into a cavity 603 formed in the collar 104.
  • the leg of block 509 extends horizontally in the plane of rotation. Once introduced into the cavity 603, it therefore prevents the connection support 500 to move in translation along the optical axis; any movement in rotation being made impossible by the retention pin 602, the support of connection 500 is, in its locked position, perfectly blocked.
  • the spring blades 508 are arranged so that they come press, deforming, on the flange 104 at the end of the movement of locking. If the lock is not correctly performed, ie if the locking tab 507 has not totally exceeded the pin of retention 602, the blades spring 508, by the pressure they exert on the flange 104, push back the connection support 500 in one direction opposed to the locking direction, thus clearly showing that the locking was not done correctly.
  • the locking tab 509 is disposed between the leaf spring 508 as an exemplary embodiment.
  • Figures 8 and 9 show a second embodiment of the projector device according to the invention.
  • the rotation pivot 600 of the first example is replaced by holding elements 800 arranged on the reflector 100, close to the flange 104.
  • the holding elements are guide rails which extend parallel to the optical axis. These guide rails cooperate with complementary slides 801 arranged on the support connection 500 to bring the connection support into position locked only by a translation movement parallel to the axis optical.
  • the connection media no longer has hole 506, neither leaf spring 508 nor lock tab 507.
  • the locking tab 509 is still present.
  • Figure 9 which is a sectional view of the projection according to the direction referenced A on FIG.
  • the locking tab consists of a first thin portion 900 extending along the flange 104, outside the latter, and a second part 901, constituted by a lug, a hook, extending perpendicular to the first part.
  • the locking tab 509 is slightly deformed to slide on the outer face of the flange 104 until the lug 901 arrives in a cavity 902 in which it is introduced by elasticity of the locking tab 509. The connection support is thus blocked in its locked position.
  • Figures 10, 11 and 12 show a third embodiment of the projector device according to the invention.
  • the holding elements 800 arranged on the reflector 100, close to the flange 104 are fastening studs which extend parallel to the optical axis.
  • These fixing studs cooperate with the hole 506, already present in the first example described, and with a second hole 1000 disposed on the opposite end of the connection support 500 to that having the first hole 506, as seen in Figure 11; this figure is a sectional view of the projection in the direction referenced B on the Figure 10 of the locked position.
  • Both holes 506 and 1000 replace the complementary slides 801 of the second example described. We can still bring the connection support 500 in its locked position only by a translation movement parallel to the optical axis.
  • the locking tab 509 is still present. As we see in Figure 12, which is a sectional view of the projection according to the direction referenced A in FIG. 10, it is always constituted of a first fine portion 1200 extending along the flange 104, but within the latter, and a second part 1201, constituted by a lug, a hook, extending perpendicular to the first part. During the locking movement by translation, the locking tab 509 is therefore slightly deformed to slide on the inner face of the flange 104 until the pin 1201 arrives in a cavity 1202 in which it is introduced by elasticity of the locking tab 509. The connection support is thus locked in its locked position.
  • the legs of Block 509 can be interchanged: the one used in the second example of realization can be used in the third, and that used in the third embodiment can be used in the second.
  • the locking tab 509 is introduced from the inside of the collar 104, one can use as cavity 1202 one of the clearances 108 completing the opening 103 which is provided with the flange 104 of the reflector 100.
  • the clearance 108 is then substantially extended so as to be able to simultaneously let pass a locking tab 207 and the leg of blocking 509.
  • cavities 501 having counterparts 505 of means of connections have not been shown only for the sake of clarity of the figures.
  • the different elements added for the purpose of the invention on the reflector 100 namely the pivot in rotation 600, the retention lug 602, or the various examples of elements of maintain 800 extend parallel to the optical axis, without cavity in their body; they do not require the addition of drawers in the mold used to make the reflector.
  • connection support 500 completely surround the flange 104.
  • the connection support 500 is then an approximately circular piece, which is arranged in translation on the reflector 100. It can in particular be maintained by means of two locking tabs, of the type shown in the examples previously described; in a particular example, the two legs of blocking are diametrically opposed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP04292524.8A 2003-10-31 2004-10-25 Kfz-Scheinwerfer mit einem Verbindungsträger für eine verriegelbare Lampe Expired - Lifetime EP1528314B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0312832 2003-10-31
FR0312832A FR2861835B1 (fr) 2003-10-31 2003-10-31 Dispositif projecteur avec support de connexion pour lampe a verrouillage

Publications (3)

Publication Number Publication Date
EP1528314A2 true EP1528314A2 (de) 2005-05-04
EP1528314A3 EP1528314A3 (de) 2013-04-03
EP1528314B1 EP1528314B1 (de) 2017-04-19

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Family Applications (1)

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EP04292524.8A Expired - Lifetime EP1528314B1 (de) 2003-10-31 2004-10-25 Kfz-Scheinwerfer mit einem Verbindungsträger für eine verriegelbare Lampe

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EP (1) EP1528314B1 (de)
FR (1) FR2861835B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2318977A1 (es) * 2005-07-20 2009-05-01 Automotive Lighting Reutilingen Gmbh Instalacion de iluminacion para automoviles.
CN107166190A (zh) * 2017-06-09 2017-09-15 漳州立达信光电子科技有限公司 一种led灯丝灯

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4500946A (en) * 1982-01-13 1985-02-19 Ford Motor Company Replaceable lamp assembly for a sealable reflector housing
US4573754A (en) * 1984-03-14 1986-03-04 U.S. Plastics Corp. Lamp assembly
DE8815069U1 (de) * 1988-12-03 1990-04-26 Robert Bosch Gmbh, 7000 Stuttgart Scheinwerfer für Fahrzeuge, insbesondere für Kraftfahrzeuge
JP3992735B2 (ja) * 1995-09-25 2007-10-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ キャップ付き電球、及び反射器と該反射器に組み合わされるキャップ付き電球とを有する照明システム
JP3280284B2 (ja) * 1997-07-25 2002-04-30 スタンレー電気株式会社 前照灯灯具
FR2829304B1 (fr) * 2001-08-31 2004-09-17 Valeo Vision Agencement pour la connexion electrique d'une lampe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2318977A1 (es) * 2005-07-20 2009-05-01 Automotive Lighting Reutilingen Gmbh Instalacion de iluminacion para automoviles.
ES2318977B2 (es) * 2005-07-20 2010-02-08 Automotive Lighting Reutlingen Gmbh Instalacion de iluminacion para automoviles.
CN107166190A (zh) * 2017-06-09 2017-09-15 漳州立达信光电子科技有限公司 一种led灯丝灯
CN107166190B (zh) * 2017-06-09 2021-02-02 漳州立达信光电子科技有限公司 一种led灯丝灯

Also Published As

Publication number Publication date
FR2861835A1 (fr) 2005-05-06
EP1528314B1 (de) 2017-04-19
EP1528314A3 (de) 2013-04-03
FR2861835B1 (fr) 2006-08-11

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