EP2199663A1 - Blende einer Kraftfahrzeug-Scheinwerfereinheit mit Protuberanz für die Verlängerung einer Scheinwerferwand - Google Patents

Blende einer Kraftfahrzeug-Scheinwerfereinheit mit Protuberanz für die Verlängerung einer Scheinwerferwand Download PDF

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Publication number
EP2199663A1
EP2199663A1 EP09173247A EP09173247A EP2199663A1 EP 2199663 A1 EP2199663 A1 EP 2199663A1 EP 09173247 A EP09173247 A EP 09173247A EP 09173247 A EP09173247 A EP 09173247A EP 2199663 A1 EP2199663 A1 EP 2199663A1
Authority
EP
European Patent Office
Prior art keywords
mask
reflector
wall
fixing means
tabs
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.)
Withdrawn
Application number
EP09173247A
Other languages
English (en)
French (fr)
Inventor
Rodolphe Peron
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP2199663A1 publication Critical patent/EP2199663A1/de
Withdrawn legal-status Critical Current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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F21S43/51—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
    • F21S41/36—Combinations of two or more separate reflectors
    • 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
    • F21S41/47—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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/255—Filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints

Definitions

  • the invention relates to motor vehicle light units, and more specifically the masks that comprise some of these optical blocks.
  • certain motor vehicle optical units comprise a mask, a reflector, a housing to which the mask and the reflector are joined, and an ice placed in front of the reflector as well as possibly in front of the mask and secured to the housing and / or the reflector and / or the mask.
  • the reflector is a part that provides a photometric function, such as for example to reflect forwards the light that is emitted by an internal lamp.
  • the mask is a piece that defines a part of the style of the optical block. It is usually metallized and placed behind the ice so that at least its front part is visible from the outside.
  • the reflector and the mask are two pieces that are generally close to each other.
  • the reflector is generally located in the housing slightly set back from the mask with respect to the ice. As a result, a slight day may exist between the front end of the wall defining the reflector and the peripheral edge of the mask. Therefore, when the reflector is illuminated by its lamp, some of the light it reflects can pass through the light day existing and lead to the back of the mask, which can be unsightly, or even misleading. Similarly, when the rear face of the mask is illuminated by a light source, a portion of this light can pass through the existing light day and lead into the reflector, which is seen at the ice and is unsightly, or even misleading.
  • the object of the invention is in particular to remedy this drawback.
  • a mask intended to be part of a motor vehicle optical unit comprising at least one defined reflector by at least one wall providing at least partially a photometric function, and comprising a peripheral edge comprising in at least one location, intended to be substantially in contact with a selected zone of this wall, an outgrowth intended to extend forward the wall at its chosen area.
  • the invention also proposes an optical block, intended to be implanted in a motor vehicle, and comprising a mask of the type of the one presented above, a reflector defined by at least one wall ensuring at least partially a photometric function, the mask and the reflector being located next to each other a housing which is secured to the mask and the reflector, and an ice, placed at least in front of the reflector and secured to the housing and / or the mask and / or the reflector.
  • the mask is preferably located below the reflector.
  • the mask can be located alternately above the reflector.
  • the arrangement of the mask beside the reflector is understood as opposed to a disposition one behind the other.
  • the mask is arranged next to the reflector so that most of the light from the reflector and intended to cross the ice does not cross or does not arrive on the mask. Also, the mask is disposed beside the reflector so that most of the light from the mask or through the mask and intended to pass through the ice does not arrive on the reflector.
  • the mask preferably comprises several holes. These holes mimic or simulate advantageously light emitting diodes. Instead of the holes may be used disjoint areas at least partially transparent between them distributed on an opaque mask background. In place of the holes can be used disjoint areas between them transparent distributed on a background of translucent mask.
  • the reflector may for example comprise a rear face provided, at a selected zone of its wall, with second fixing means adapted to cooperate with first fixing means defined on a front face of the mask, at a location, so as to allow the assembly of the mask to the reflector.
  • the object of the invention is notably to propose a mask (M) for an optical block (BO) intended to be implanted in a motor vehicle.
  • the optical unit is a headlight (or front projector) intended to be installed in the front of a motor vehicle.
  • the invention is not limited to this type of implantation. It also relates to certain optical blocks, such as signal rear lamps, intended to be installed in the rear of a motor vehicle.
  • Such an optical block BO comprises at least one reflector R, a mask M, and a housing BT as well as generally an ice (not shown).
  • the mask M and the reflector R are secured to the housing BT.
  • the ice is placed at least in front of the reflector R and possibly in front of the mask M and is secured to the LV housing and / or the reflector R and / or the mask M.
  • the reflector R is defined by at least one wall PR which at least partially provides a photometric function.
  • the wall PR comprises for example a central opening OL for the passage of a transmitting part of a lamp (or bulb).
  • the wall PR is shaped and processed (eg metallized) so as to reflect forwards, in a selected solid angle, the light that is emitted by the lamp.
  • This predetermined reflection function (and therefore the shaping of the light) constitutes the photometric function of the reflector R.
  • the reflector R comprises a front face FVR which is oriented towards the mirror and is responsible for reflecting the light forward and a rear face FRR opposite to its front face FVR.
  • the mask M comprises a front face FVM which is oriented outwards (and possibly towards the glass) and a rear face FRM opposite to its front face FVM.
  • the mask M comprises a peripheral edge BP which comprises at least one location EM intended to be substantially in contact with a selected zone ZR of the wall PR of the reflector R. As illustrated in FIGS. figures 1 , 3 and 6 this selected zone ZR is for example located at the front end of the wall PR of the reflector R, opposite its central opening OL.
  • the optical block BO may comprise several (at least two) reflectors R each comprising a wall PR having a selected zone ZR intended to be substantially in contact with a location EM of the peripheral edge BP of the mask M. It will then be understood that the mask M comprises in this case several different EM locations respectively associated with the different reflectors R.
  • peripheral edge BP has at each location EM a conformation which is substantially identical to that of the selected zone ZR of the corresponding wall PR, so as to prevent there being a day between said reflector R and the mask M. This makes it possible to prevent the light from passing from one to the other upstream of the rear face FRM of the mask M.
  • the mask M may for example provide a style function. This is particularly the case in the nonlimiting exemplary embodiment illustrated on the Figures 1 to 4 and 6 . Indeed, it comprises here cells (or holes) AL for imitating light emitting diodes (or LEDs).
  • the rear face FRM of the mask M is placed in front of a light source, consisting for example of at least one lamp or a bulb.
  • each cell AL may be optionally arranged in the form of a prism designed to focus forward the light it receives from the source.
  • the mask M also performs a photometric function thanks to its prismatic cells OL.
  • the peripheral edge BP of the mask M comprises at each location EM an outgrowth (or protrusion or projection) EX intended to extend forward the wall PR at its chosen zone ZR.
  • the protrusion EX prevents that parasitic light coming from the reflector R does not enter the mask M via its front face FVM.
  • the protrusion EX thus also acts as a kind of wall ensuring the light tightness between the reflector R and the mask M front side (that is to say upstream of the ice). Thanks to this wall, the light rays coming from the reflector R and the mask M are no longer likely to cross each other and the functions they help to ensure can be well differentiated.
  • the protrusion EX it is particularly advantageous for the protrusion EX to be arranged (or shaped) so as to participate in the photometric function of the reflector R.
  • its forward extension and its profile are predetermined and it presents on its face which is substantially oriented towards the reflector R an aspect which is similar (or identical) to that which presents the front face FVR of the wall PR of the reflector R at least at its chosen zone ZR.
  • this face may comprise a metallization and / or ridges and / or a molding grain identical to those of the front face FVR of the wall PR (at least locally).
  • the protrusion EX is preferably an integral part of the mask M.
  • the mask M according to the invention can thus be made in one piece by molding, for example. But, it could be envisaged that the protrusion EX is an insert on the mask M, possibly by gluing or co-molding or over-molding.
  • first fixing means MF1 on the rear face FRM of the mask M at the location EM
  • second fixing means MF2 on the rear face FRR of the zone chosen ZR from the PR wall are arranged to cooperate together to assemble the mask M and the reflector R.
  • the first fixing means MF1 may for example be arranged in the form of at least two first tabs projecting rearwardly from the rear face FRM of the mask M, at the location EM, in a direction which is opposed to that of the protrusion EX, and the second attachment means MF2 may for example be arranged in the form of at least two second tabs which are adapted to cooperate with the first tabs MF1.
  • the first legs MF1 may be lugs (or teeth) which are substantially I-shaped (capital i, that is to say, substantially rectangular parallelepiped shape).
  • the second legs MF2 may be substantially L-shaped so as to house respectively the first legs MF1. The smallest part of the L then runs from the rear face FRR of the selected zone ZR of the wall PR, and has an extension which is substantially equal, by a larger value, to the thickness of the corresponding first lug MF1.
  • the first legs MF1 are preferably offset towards the center of the mask M, with respect to the end of the peripheral edge BP, by a distance which is substantially equal to the thickness of the wall PR of the reflector R at its zone chosen ZR, so that there is a surface continuity between the wall PR and the protrusion EX.
  • first legs MF1 are housed (fit) tightly in the housing defined by the corresponding second leg MF2, so as to allow the assembly of the mask M and the reflector R for effective light sealing.
  • fastening means may be envisaged, and in particular clipping or latching means.
  • the mask M may for example be made of a rigid synthetic material, such as a polyphase copolymer (for example Acrylonitrile Butadiene Styrene (or ABS)). It may be optionally colored.
  • a polyphase copolymer for example Acrylonitrile Butadiene Styrene (or ABS)
  • ABS Acrylonitrile Butadiene Styrene

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Elements Other Than Lenses (AREA)
EP09173247A 2008-12-18 2009-10-16 Blende einer Kraftfahrzeug-Scheinwerfereinheit mit Protuberanz für die Verlängerung einer Scheinwerferwand Withdrawn EP2199663A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0858762A FR2940204B1 (fr) 2008-12-18 2008-12-18 Masque de bloc optique de vehicule automobile a excroissance pour la prolongation d'une paroi de reflecteur

Publications (1)

Publication Number Publication Date
EP2199663A1 true EP2199663A1 (de) 2010-06-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09173247A Withdrawn EP2199663A1 (de) 2008-12-18 2009-10-16 Blende einer Kraftfahrzeug-Scheinwerfereinheit mit Protuberanz für die Verlängerung einer Scheinwerferwand

Country Status (2)

Country Link
EP (1) EP2199663A1 (de)
FR (1) FR2940204B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3354972A1 (de) * 2017-01-27 2018-08-01 PSA Automobiles SA Beleuchtungsvorrichtung mit maske mit diamantspitzen-motiven
FR3081537A1 (fr) * 2018-05-28 2019-11-29 Psa Automobiles Sa Bloc optique de vehicule automobile et vehicule automobile comportant un tel element.
FR3088596A1 (fr) * 2018-11-16 2020-05-22 Psa Automobiles Sa Bloc optique pour vehicule automobile pourvu d’un masque fixe sur une armature
FR3088869A1 (fr) * 2018-11-26 2020-05-29 Psa Automobiles Sa Dispositif de pré-positionnement et de maintien d’un élément sur un boitier
FR3089466A1 (fr) * 2018-12-07 2020-06-12 Psa Automobiles Sa Dispositif de pré-positionnement et de maintien sous contrainte d’un élément sur un boitier.
WO2022228853A1 (de) * 2021-04-28 2022-11-03 Bayerische Motoren Werke Aktiengesellschaft Scheinwerfer für ein kraftfahrzeug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336178A1 (de) * 1983-10-05 1985-04-25 Robert Bosch Gmbh, 7000 Stuttgart Signalleuchte, insbesondere vordere blinkleuchte, fuer kraftfahrzeuge
US5560706A (en) * 1992-12-04 1996-10-01 Koito Manufacturing Co., Ltd. Seal structure and process for a vehicular lamp
US5562338A (en) * 1993-12-15 1996-10-08 Koito Manufacturing Co., Ltd. Dual lens lamp assembly for vehicular use
DE10355210A1 (de) * 2003-11-26 2005-06-23 Hella Kgaa Hueck & Co. Leuchteinheit für Fahrzeuge
EP1672275A1 (de) * 2004-12-17 2006-06-21 Valeo Vision Beleuchtungs-oder Signal-Vorrichtung für Kraftfahrzeug
EP1762777A2 (de) * 2005-09-08 2007-03-14 Hella KG Hueck & Co. Leuchteinheit für Kraftfahrzeuge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336178A1 (de) * 1983-10-05 1985-04-25 Robert Bosch Gmbh, 7000 Stuttgart Signalleuchte, insbesondere vordere blinkleuchte, fuer kraftfahrzeuge
US5560706A (en) * 1992-12-04 1996-10-01 Koito Manufacturing Co., Ltd. Seal structure and process for a vehicular lamp
US5562338A (en) * 1993-12-15 1996-10-08 Koito Manufacturing Co., Ltd. Dual lens lamp assembly for vehicular use
DE10355210A1 (de) * 2003-11-26 2005-06-23 Hella Kgaa Hueck & Co. Leuchteinheit für Fahrzeuge
EP1672275A1 (de) * 2004-12-17 2006-06-21 Valeo Vision Beleuchtungs-oder Signal-Vorrichtung für Kraftfahrzeug
EP1762777A2 (de) * 2005-09-08 2007-03-14 Hella KG Hueck & Co. Leuchteinheit für Kraftfahrzeuge

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3354972A1 (de) * 2017-01-27 2018-08-01 PSA Automobiles SA Beleuchtungsvorrichtung mit maske mit diamantspitzen-motiven
FR3062451A1 (fr) * 2017-01-27 2018-08-03 Peugeot Citroen Automobiles Sa Dispositif d’eclairage a masque a motifs en pointe de diamant
FR3081537A1 (fr) * 2018-05-28 2019-11-29 Psa Automobiles Sa Bloc optique de vehicule automobile et vehicule automobile comportant un tel element.
WO2019229314A1 (fr) * 2018-05-28 2019-12-05 Psa Automobiles Sa Bloc optique de vehicule automobile et vehicule automobile comportant un tel element
FR3088596A1 (fr) * 2018-11-16 2020-05-22 Psa Automobiles Sa Bloc optique pour vehicule automobile pourvu d’un masque fixe sur une armature
WO2020099746A1 (fr) * 2018-11-16 2020-05-22 Psa Automobiles Sa Bloc optique pour véhicule automobile pourvu d'un masque fixé sur une armature
FR3088869A1 (fr) * 2018-11-26 2020-05-29 Psa Automobiles Sa Dispositif de pré-positionnement et de maintien d’un élément sur un boitier
FR3089466A1 (fr) * 2018-12-07 2020-06-12 Psa Automobiles Sa Dispositif de pré-positionnement et de maintien sous contrainte d’un élément sur un boitier.
WO2022228853A1 (de) * 2021-04-28 2022-11-03 Bayerische Motoren Werke Aktiengesellschaft Scheinwerfer für ein kraftfahrzeug

Also Published As

Publication number Publication date
FR2940204A1 (fr) 2010-06-25
FR2940204B1 (fr) 2011-10-14

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