EP0718545B1 - Motor vehicle headlamp with a direct light shielding element having an improved appearance - Google Patents

Motor vehicle headlamp with a direct light shielding element having an improved appearance Download PDF

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Publication number
EP0718545B1
EP0718545B1 EP95402882A EP95402882A EP0718545B1 EP 0718545 B1 EP0718545 B1 EP 0718545B1 EP 95402882 A EP95402882 A EP 95402882A EP 95402882 A EP95402882 A EP 95402882A EP 0718545 B1 EP0718545 B1 EP 0718545B1
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EP
European Patent Office
Prior art keywords
trim piece
shield
mounting
headlight
projector
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.)
Expired - Lifetime
Application number
EP95402882A
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German (de)
French (fr)
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EP0718545A1 (en
Inventor
Stéphane Castagnede
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
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Valeo Vision SAS
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Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Priority to DE29522348U priority Critical patent/DE29522348U1/en
Publication of EP0718545A1 publication Critical patent/EP0718545A1/en
Application granted granted Critical
Publication of EP0718545B1 publication Critical patent/EP0718545B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

La présente invention concerne d'une façon générale les projecteurs de véhicules automobiles, et plus particulièrement un perfectionnement à un projecteur comportant en avant de la lampe un cache de lumière directe.The present invention relates generally automotive headlights, and more particularly an improvement to a projector having a light cover in front of the lamp direct.

Un projecteur comprend classiquement un boítier fermé à l'avant par une glace et abritant un miroir au fond duquel est montée une lampe.A projector conventionally includes a housing closed at the front by a window and housing a mirror on the bottom of which is mounted a lamp.

Afin d'éviter que la lumière émise directement par la lampe vers l'avant n'éblouisse les conducteurs des véhicules roulant en sens inverse, notamment lorsque le projecteur est conçu pour émettre un faisceau à coupure (faisceau de croisement ou antibrouillard) destiné à éviter cet éblouissement, on sait équiper la lampe d'une cache de lumière directe évitant que la lumière émise par le filament ou l'arc de la lampe n'atteigne directement la glace puis l'extérieur du véhicule. Ce cache autorise en revanche le rayonnement à se diriger vers toute l'étendue du miroir.In order to prevent the light emitted directly from the lamp towards the front does not dazzle the conductors of oncoming vehicles, especially when the projector is designed to emit a cut-off beam (passing beam or fog light) intended for avoid this glare, we know how to equip the lamp with a direct light cover preventing the light emitted by the filament or the arc of the lamp does not directly reach the window then the outside of the vehicle. This cache allows on the other hand the radiation to be directed towards any the extent of the mirror.

Dans la technique antérieure, un cache de lumière directe est généralement réalisé en tôle métallique, et sa forme est conçue en fonction de l'objectif ci-dessus défini.In the prior art, a light cover direct is generally made of sheet metal, and its shape is designed according to the above objective defined.

Le cache est généralement de couleur neutre, par exemple grisée, afin d'être le moins perceptible possible lorsque le projecteur est éteint. On connaít également par le document FR-A-2 098 680 un projecteur pourvu d'un cache de lumière directe à double paroi, dont l'avant peut être réfléchissant pour améliorer son aspect.The cover is generally neutral in color, for gray example, in order to be as noticeable as possible when the projector is turned off. We also know by document FR-A-2 098 680 a projector provided with a double-walled direct light cover, the front of which can be reflective to improve its appearance.

Le résultat esthétique obtenu est généralement satisfaisant lorsque la glace du projecteur est fortement striée, ces stries contribuant à rendre le cache de lumière directe peu apparent lorsque le projecteur est éteint.The aesthetic result obtained is generally satisfactory when the projector glass is strongly streaked, these streaks helping to make the cache of little visible direct light when the projector is off.

Mais compte-tenu notamment des progrès accomplis ces dernières années dans la conception des réflecteurs en matière de modelage du faisceau, les glaces des projecteurs ont tendance à être de plus en plus lisses, si bien que le cache de lumière directe tend à dégrader l'aspect du projecteur éteint.But especially given the progress made in recent years in the design of reflectors in terms of beam modeling, the lenses of projectors tend to get smoother, so that the direct light cover tends to degrade the appearance of the projector turned off.

La présente invention vise à pallier ces limitations de l'état de la technique, et à proposer un projecteur dont l'aspect éteint soit grandement amélioré. Un autre objet de l'invention est de proposer un projecteur dans lequel on puisse facilement jouer sur l'aspect esthétique du projecteur éteint, et notamment de permettre l'adaptation facile d'un même projecteur à diverses gammes ou teintes de véhicules.The present invention aims to overcome these limitations of the state of the art, and to propose a projector whose extinguished appearance is greatly improved. Another object of the invention is to provide a projector in which you can easily play on the aesthetic appearance of the switched off projector, and in particular of allow easy adaptation of the same projector to various ranges or colors of vehicles.

Ainsi la présente invention propose un projecteur tel que défini dans la revendication 1.Thus the present invention provides a projector as defined in claim 1.

Des aspects préférés mais non limitatifs de ce projecteur sont définis dans les revendications dépendantes 2 à 6.Preferred but non-limiting aspects of this projector are defined in the claims dependent 2 to 6.

Selon un deuxième aspect, la présente invention propose un procédé de fabrication d'un projecteur tel que défini dans la revendication 7.According to a second aspect, the present invention proposes a method of manufacturing a projector such as defined in claim 7.

D'autres aspects, buts et avantages de la présente invention apparaítront mieux à la lecture de la description détaillée suivante de formes de réalisation préférées de celle-ci, donnée à titre d'exemple non limitatif et faite en référence au dessin annexé, sur lequel :

  • la figure 1 est une vue en perspective d'une cache de lumière directe ou occulteur courant,
  • la figure 2 illustre selon une vue en coupe verticale axiale selon la ligne II-II de la figure 3 un cache de lumière directe équipé d'un enjoliveur selon l'invention,
  • la figure 3 est une vue de dessus de l'ensemble cache/enjoliveur de la figure 2,
  • la figure 4 est une vue de dessus d'un ensemble cache/enjoliveur selon une variante de réalisation,
  • la figure 5 est une vue à échelle agrandie et en coupe d'un détail de la figure 4,
  • la figure 6 est une vue en coupe verticale d'un projecteur équipé d'un cache de lumière directe sur lequel est monté un premier enjoliveur, et
  • la figure 7 est une vue en coupe verticale du projecteur de la figure 4, équipé d'un enjoliveur différent.
    • Other aspects, aims and advantages of the present invention will appear better on reading the following detailed description of preferred embodiments thereof, given by way of non-limiting example and made with reference to the accompanying drawing, in which :
  • FIG. 1 is a perspective view of a direct light cover or current blackout,
  • FIG. 2 illustrates, in a view in axial vertical section along the line II-II of FIG. 3, a direct light cover fitted with a cover according to the invention,
  • FIG. 3 is a top view of the cover / hubcap assembly of FIG. 2,
  • FIG. 4 is a top view of a cover / hubcap assembly according to an alternative embodiment,
  • FIG. 5 is a view on an enlarged scale and in section of a detail of FIG. 4,
  • FIG. 6 is a view in vertical section of a headlamp equipped with a direct light cover on which a first cover is mounted, and
  • Figure 7 is a vertical sectional view of the projector of Figure 4, equipped with a different cover.

    • En référence tout d'abord à la figure 1, on a représenté schématiquement un cache de lumière directe connu, réalisé par exemple en tôle métallique. Il comprend une partie 50 constituant le cache proprement-dit, qui est en l'espèce de section hexagonale et légèrement évasée, et qui est montée sur un miroir de projecteur à l'aide d'une ou plusieurs pattes de maintien 52, de manière à placer la partie 50 en avant d'une lampe de projecteur pour éviter que de la lumière soit émise directement à partir de la lampe vers la glace du projecteur et vers l'extérieur.Referring first to Figure 1, we have schematically represented a cache of direct light known, made for example of sheet metal. He understands a part 50 constituting the cache itself, which is in this case of hexagonal and slightly flared section, and which is mounted on a projector mirror using a or several retaining tabs 52, so as to place the part 50 in front of a projector lamp to avoid that light be emitted directly from the lamp towards the lens of the projector and outwards.

    Le bord du cache présente de préférence un profil tel qu'il occulte assez précisément tous les rayons lumineux qui ne sont pas dirigés vers les parties optiquement utiles du miroir, c'est-à-dire les rayons dirigés notamment vers les joues du miroir et vers la glace.The edge of the cover preferably has a profile such that it obscures quite precisely all the light rays which are not directed to optically useful parts of the mirror, that is to say the rays directed in particular towards the cheeks of the mirror and towards the mirror.

    Afin que ce cache 50 soit aussi discret que possible à l'intérieur du projecteur lorsque celui-ci est éteint, on lui donne en générale une taille aussi petite que possible et une teinte neutre, par exemple grise.So that this cover 50 is as discreet as possible at inside the projector when it is turned off, usually make it as small as possible and a neutral shade, for example gray.

    On a représenté sur les figures 2 et 3 un cache de lumière directe 50 sur lequel est montée une pièce 60 formant enjoliveur destinée à modifier l'aspect esthétique du projecteur lorsqu'il est éteint, cette modification étant d'autant plus sensible que la glace frontale du projecteur, à travers laquelle la pièce 60 est vue, est faiblement déviatrice, voire lisse.FIGS. 2 and 3 show a cache of direct light 50 on which a part is mounted 60 forming hubcap intended to modify the aesthetic appearance of the projector when it is turned off, this modification being all the more sensitive as the front glass of the projector, through which room 60 is seen, is slightly deviating, even smooth.

    L'enjoliveur 60 est réalisé de préférence sous la forme d'un corps creux et léger, en tôle peinte, émaillée ou métallisée, ou encore sous la forme d'un corps creux ou plein en matière plastique telle qu'une matière thermodurcissable.The hubcap 60 is preferably produced under the shape of a hollow and light body, in painted, enamelled sheet or metallized, or in the form of a hollow body or solid plastic such as a material thermosetting.

    Dans le cas des figures 2 et 3, l'enjoliveur 60 est monté sur le cache 50 en prévoyant au moins une languette plane 61 s'étendant vers l'arrière du projecteur (vers la gauche sur la figure), et dans laquelle est formée une ouverture 62 à travers laquelle une patte de sertissage venue du cache 50 peut être engagée (partie 53) et repliée contre ladite languette (partie 54).In the case of FIGS. 2 and 3, the hubcap 60 is mounted on the cover 50 by providing at least one tab plane 61 extending towards the rear of the projector (towards the left in the figure), and in which is formed a opening 62 through which a crimp tab coming from the cover 50 can be engaged (part 53) and folded against said tongue (part 54).

    Selon une variante de réalisation, représentée sur les figures 4 et 5, l'enjoliveur 60 est pourvue d'au moins deux dents d'accrochage diamétralement opposées 63 qui viennent s'ancrer en arrière de deux parties en saillie homologues 55 venues du cache 50.According to an alternative embodiment, represented on the Figures 4 and 5, the hubcap 60 is provided with at least two diametrically opposite hooking teeth 63 which come anchor behind two counterpart projecting parts 55 from the cache 50.

    Grâce à la présente invention, on peut fabriquer simplement un projecteur ayant, selon notamment les souhaits du constructeur automobile, différents aspects esthétiques. On prévoit à cet effet que les moyens de montage de l'enjoliveur sur le cache soient identiques quel que soit le modèle d'enjoliveur utilisé.Thanks to the present invention, it is possible to manufacture simply a projector having, in particular according to wishes of the car manufacturer, different aspects aesthetic. To this end, the means of mounting the hubcap on the cover are identical whatever whatever the hubcap model used.

    Dans une forme de réalisation, le projecteur est équipé d'un enjoliveur 60 ayant la forme, la teinte et l'aspect souhaités. In one embodiment, the projector is equipped with a cover 60 having the shape, the desired shade and appearance.

    Les figures 6 et 7 représentent un même projecteur équipé de deux enjoliveurs différents.Figures 6 and 7 show the same projector equipped with two different hubcaps.

    On a désigné par 10 le boítier du projecteur, par 20 sa lampe, par 30 son miroir et par 40 sa glace de fermeture frontale. Le cache de lumière directe 50 est monté sur le fond du réflecteur par deux pattes 51, 52.We designated by 10 the projector housing, by 20 its lamp, by 30 its mirror and by 40 its closing glass frontal. The direct light cover 50 is mounted on the bottom of the reflector by two legs 51, 52.

    Dans le cas de la figure 6, le projecteur comporte sur le cache 50 un enjoliveur 60 de forme générale polyédrique, avec une pointe dirigée vers l'avant.In the case of FIG. 6, the projector comprises on the cover 50 an embellishment 60 of generally polyhedral shape, with a point facing forward.

    Dans le cas de la figure 7, la forme de l'enjoliveur est bombée, par exemple généralement hémisphérique.In the case of Figure 7, the shape of the hubcap is domed, for example generally hemispherical.

    En matière de teinte, la couleur de l'enjoliveur peut être par exemple assortie à celle de la carrosserie avoisinante du véhicule.In terms of shade, the color of the trim can for example match that of the bodywork in the vicinity of the vehicle.

    Claims (7)

    1. Motor-vehicle headlight, of the type comprising a mirror (30) accommodating a lamp (10) and glazing (40) provided in front of the mirror, as well as a direct-light shield (50) placed in front of the lamp and intended to prevent light being emitted directly from the lamp towards the glazing of the headlight and to the outside, characterised in that it further comprises a styling trim piece (60) provided on the front of the direct-light shield, and means for mounting the trim piece on the shield acting between the said trim piece and the front part of the said shield.
    2. Headlight according to Claim 1, characterised in that the means for mounting the trim piece on the shield (55, 63) are of the clipping type.
    3. Headlight according to Claim 1, characterised in that the means for mounting the trim piece on the shield (53, 54, 61, 62) are of the crimping type.
    4. Headlight according to one of Claims 1 to 3, characterised in that the trim piece (60) exhibits a rounded shape.
    5. Headlight according to one of Claims 1 to 3, characterised in that the trim piece (60) exhibits a polyhedral shape.
    6. Headlight according to one of Claims 1 to 5, characterised in that the glazing (40) is substantially smooth,
    7. Method of manufacturing a motor-vehicle headlight, characterised in that it comprises a stage of mounting a direct-light shield, intended to prevent light being emitted directly from the lamp towards the glazing of the headlight and to the outside, into the headlight, in line with a lamp, the direct-light shield comprising, at the front thereof, first mounting means for accommodating a trim piece on the front of the said shield, a stage of choosing a trim piece from among a group of different trim pieces all including second, identical mounting means (61, 62; 63) able to interact with the first mounting means, and a stage of mounting the chosen trim piece by making the first and second mounting means interact between the said trim piece and the front part of the said shield.
    EP95402882A 1994-12-21 1995-12-20 Motor vehicle headlamp with a direct light shielding element having an improved appearance Expired - Lifetime EP0718545B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    DE29522348U DE29522348U1 (en) 1994-12-21 1995-12-20 Motor vehicle headlights with a direct light cover improved appearance

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9415402 1994-12-21
    FR9415402A FR2728654B1 (en) 1994-12-21 1994-12-21 MOTOR VEHICLE PROJECTOR WITH IMPROVED DIRECT LIGHT COVER

    Publications (2)

    Publication Number Publication Date
    EP0718545A1 EP0718545A1 (en) 1996-06-26
    EP0718545B1 true EP0718545B1 (en) 2001-11-14

    Family

    ID=9470053

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP95402882A Expired - Lifetime EP0718545B1 (en) 1994-12-21 1995-12-20 Motor vehicle headlamp with a direct light shielding element having an improved appearance

    Country Status (4)

    Country Link
    EP (1) EP0718545B1 (en)
    DE (1) DE69523878T2 (en)
    ES (1) ES2163484T3 (en)
    FR (1) FR2728654B1 (en)

    Families Citing this family (7)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    JP3791626B2 (en) * 1995-12-22 2006-06-28 株式会社小糸製作所 Vehicle headlamp
    FR2757808B1 (en) * 1996-12-26 1999-03-19 Valeo Vision MOTOR VEHICLE PROJECTOR WITH STYLE COVER
    DE19815297C2 (en) 1998-04-06 2000-04-20 Hella Kg Hueck & Co Receiving part as part of a vehicle headlight and method for producing such a receiving part
    FR2778727B1 (en) * 1998-05-15 2000-08-18 Valeo Vision LIGHTING OR SIGNALING DEVICE FOR A MOTOR VEHICLE HAVING IMPROVED EXTINGUISHED APPEARANCE
    FR2778967B1 (en) 1998-05-19 2000-08-18 Valeo Vision HEADLIGHT FOR MOTOR VEHICLES COMPRISING A TRIM COVER AND MEANS FOR EASY FIXING THIS TRIM CAP
    DE19831852A1 (en) * 1998-07-16 2000-01-20 Hella Kg Hueck & Co Vehicle headlights
    JP2001118409A (en) * 1999-10-19 2001-04-27 Koito Mfg Co Ltd Headlight for vehicle

    Family Cites Families (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2098680A5 (en) * 1970-07-23 1972-03-10 Sev Marchal

    Also Published As

    Publication number Publication date
    DE69523878D1 (en) 2001-12-20
    ES2163484T3 (en) 2002-02-01
    FR2728654A1 (en) 1996-06-28
    FR2728654B1 (en) 1997-03-14
    DE69523878T2 (en) 2002-05-29
    EP0718545A1 (en) 1996-06-26

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