WO2015110736A1 - Vehicle lighting device, in particular for daytime-running lights, and vehicle provided with same - Google Patents

Vehicle lighting device, in particular for daytime-running lights, and vehicle provided with same Download PDF

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Publication number
WO2015110736A1
WO2015110736A1 PCT/FR2015/050055 FR2015050055W WO2015110736A1 WO 2015110736 A1 WO2015110736 A1 WO 2015110736A1 FR 2015050055 W FR2015050055 W FR 2015050055W WO 2015110736 A1 WO2015110736 A1 WO 2015110736A1
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WO
WIPO (PCT)
Prior art keywords
lighting device
housing
ice
peripheral portion
vehicle
Prior art date
Application number
PCT/FR2015/050055
Other languages
French (fr)
Inventor
Rodolphe Peron
Gilles Moynier
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
Priority to EP15701560.3A priority Critical patent/EP3097350A1/en
Priority to CN201580005261.5A priority patent/CN106415118B/en
Publication of WO2015110736A1 publication Critical patent/WO2015110736A1/en

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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
    • F21S43/40—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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • 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
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • 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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/14—Covers for frames; Frameless shades
    • F21V1/16—Covers for frames; Frameless shades characterised by the material
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/30—Daytime running lights [DRL], e.g. circuits or arrangements therefor

Definitions

  • the invention relates to a vehicle lighting device, in particular daylighting diodes, and to a vehicle equipped with such a system.
  • the invention belongs to the field of lighting and signaling structures of vehicles, and more particularly - but not exclusively - to daytime running lights (abbreviated “DRL” initials "Day time Running Lamp” in terminology English).
  • DRL daytime running lights
  • lighting is provided by a light source - an incandescent lamp, an induction lamp or a light emitting diode - in connection with a concave reflector which concentrates the light on a collimator, surrounded by a black mask, to emit a beam of light parallel to the outside of the vehicle.
  • ice is integrated in a housing front or rear of the vehicle, and an ice comes to close the housing to protect the lighting elements of aggression from outside the vehicle.
  • the ice is convex and smooth to comply with the standards, in particular Regulation R26 of the United Nations Economic Commission for Europe (UNECE).
  • UNECE United Nations Economic Commission for Europe
  • this ice remains advantageously in the extension of the curvature of the surrounding bodywork.
  • Patent document FR 2 708 334 discloses a lighting or signaling device comprising an ice cream having a lateral peripheral part made of plastic material loaded with reflective particles. This realization aims to hide the areas of dark appearance, the appearance of seeing inhomogeneous lighting between the lighting ranges, as well as allowing front and side visibility in the event of a traffic light.
  • this solution does not improve the directivity of the lighting and the many areas of darkness or inhomogeneity remain difficult to eliminate.
  • US Patent 1,888,995 discloses an automobile headlight equipped with an ice associated with a concave reflector.
  • the ice In order to obtain a beam of parallel light output over the entire headlight, the ice has a planar main portion forming a ring and a central portion forming a concave portion mounted on a convex central lens.
  • the profile of the ice then has a complex structure: a circular projection in the flat part, a reflective bottom wall in the concave portion and a particular cut of this concave portion.
  • the main purpose of the invention is to provide such lighting in a simple and efficient manner, without resorting to complex shape reflection portions, in particular masks or specific collimators.
  • the invention provides for the use of a single lens for peripheral masking and central convex collimation.
  • the present invention more specifically relates to a vehicle lighting device comprising a housing housing a concave reflector and a source of light radiation arranged so as to come through, after reflection on the concave reflector, a outlet ice mounted on said housing.
  • said mirror has a peripheral portion having an area at least partially concave, able to mask the light radiation, and coupled to a transparent central portion generally convex, able to collimate said light radiation when it passes through.
  • the peripheral portion of the ice forms at the end an annular return adapted to fit the vehicle body, the annular return extending between a front edge and at least one inner end adapted to be inserted into a housing of said housing;
  • the at least partially concave zone of the peripheral part of the ice generally has a mean curvature in longitudinal section such that the convex central portion of the ice remains non-contact, both in static conditions and in motion, with a sphere of 100 mm in diameter resting on the front edge of ice;
  • the at least partially concave zone of the peripheral portion of the ice generally has a curvature of mean value which can vary between a maximum value, compatible with the dimensions of the case, and a value tending towards zero, corresponding to a conical shape, this average curvature value respecting the non-contact condition defined above;
  • the at least partially concave zone of the peripheral portion of the ice is of material chosen between opaque black crystal glass, a black plastic material and a composite material loaded with carbon black;
  • the ice is formed of a single piece of crystal glass, the central collimation portion being transparent crystal glass;
  • the at least partially concave zone constitutes a main portion of the frontal projection ice
  • the light source is at least one light emitting diode attached to a support, made of plastic material, in particular PCB, composite material or any material of strength and equivalent weight.
  • the invention also relates to a set of DRL daytime running lamps comprising several lighting devices described above, mounted adjacent and integrated in a protective housing, and to a motor vehicle comprising at least two lighting devices or two sets of daytime running lamps as defined above, arranged at the front and / or at the rear.
  • the qualifier "front” refers to the vehicle lighting device position in the extension of the bodywork surrounding the lighting device.
  • the qualifier “internal” refers to the space defined in a housing of the lighting device, beyond the frontal position and the term “annular” means cylindrical revolution without being necessarily circular.
  • the terms “upper”, “lower” and “horizontal” refer to the position of vehicle elements when the vehicle is in standard operation.
  • the term “longitudinal” refers to a plane substantially parallel to the overall plane of symmetry passing through the vehicle from front to back.
  • FIG. 1 a schematic longitudinal sectional view of a first embodiment of a lighting device according to the invention
  • FIG. 2 is a view in longitudinal section of another exemplary embodiment of a lighting device according to the invention with a light-emitting diode, and
  • FIG. 3 a perspective view of a set of DRL daytime running lights, seen in longitudinal section according to Figure 2.
  • a lighting device 1 is arranged between the upper part 2s and the lower front part 2i of the body of a vehicle.
  • the lighting device 1 is here at the front of the vehicle, but it could just as well be located at the rear.
  • This lighting device 1 comprises a housing 10 open towards the front position FR in dashed lines (in extension of the bodywork) and forming at the end a housing 1 1.
  • the housing 10 houses a concave reflector 12 and a light source 13.
  • the light source 13 is arranged and oriented on a support 14.
  • the lighting device 1 is equipped with a window 20 which forms, at its upper and lower ends, a tip 21 which is fixed in the housing 1 1 of the housing 10.
  • the window 20 has a peripheral portion 22 having a concave zone 22C and coupled to a convex central portion 23.
  • the mirror 20 has a symmetry with respect to a substantially horizontal median plane P.
  • the ice 20 is formed of a single piece of crystal glass.
  • the peripheral portion 22 is made of carbon black filled crystal glass material to mask the light radiation, and the convex central portion 23 is made of transparent, uncharged crystal glass material to collimate the unmasked light beam F1.
  • the assembly consisting of the support 14, the light source 13 and the concave reflector 12 is configured, sized and arranged so that the light beam F1 passes through the convex central portion 23 of the window 20.
  • the light radiation limited in FIG. 1 by the radii R1 and R2, collimated fate of the convex central portion 23 along the parallel beam F2.
  • the concave zone 22C is dimensioned so that the convex central portion 23 is at a sufficient distance D from the FR front position for the 26 Regulation of the Economic Commission is respected: this regulation states, in particular, that the parts of the outer surface of a vehicle 'can not be touched, both in static conditions and in motion, by a sphere 100 mm in diameter for the United Nations (UN / ECE) Europe'.
  • the concave zone 22C constitutes a main portion of the ice 20 projected onto the front position FR.
  • annular return 24 to fit the upper and lower parts, 2s and 2i, of the vehicle body.
  • This annular return 24 is continuous, which appears with reference to FIG.
  • the annular return 24 extends longitudinally between a front flange 25 - aligned on the front position FR in continuity of the upper part of body 2s - and the inner end 21 being inserted into the housing 1 1 of the housing 10.
  • FIG. 2 Another example of a light-emitting diode lighting device 1 'is illustrated by the longitudinal sectional view of FIG. 2.
  • the housing 30 - provided with its end housing 31 -, and the ice 40 - with its masking peripheral portion 42 extended by its central part forming a convex crystal zone 43 - generally take up the configuration and functions of the housing 10 and the ice 20.
  • the peripheral portion 42 of the ice 40 is composed of a front flange 45 extends the annular end return 44 which is fixed in the housing 41 formed by the end 31 of the housing 30.
  • the convex crystal zone 43 is an optical zone which makes it possible to obtain the photometry of the DRL. This zone 43 is advantageously made of extra thickness with blasting.
  • the concave reflector 32 is extended by a base 35 in which an orifice 36 is machined.
  • the light-emitting diode 33 mounted on its support 34, passes through the orifice 36 so that its radiation hits the concave reflector 32.
  • the peripheral portion 42 which connects the front flange 45 to the convex central portion 43 - said connecting zone 42L corresponding to the concave zone 22C of the previous example - has a conical shape 42K which ends with a concave shape 42C.
  • the central convex portion 43 which serves as a collimator radiation from the light emitting diode 33, meets the conditions of said regulation 26.
  • a sphere 100 mm in diameter bearing on the flange 45 would not touch element outside, in particular this convex central portion 43 sufficiently recessed with respect to the front position FR (in dashed lines).
  • the lighting device 1 ' may belong to a set of DRL daytime running lights.
  • FIG. 3 represents the longitudinal sectional view of this assembly along the plane Q of FIG. 3.
  • five lighting devices of the type described above - each having a plurality of light emitting diodes - succeed each other adjacent to each other, to form a set 1 "DRL type.
  • This set 1" extends in the median plane P (see Figures 1 or 2), transversely to the longitudinal plane of the vehicle.
  • the peripheral portions 42 of the windows 40 are arranged in a protective casing 50 which reinforces and structures this DRL-type assembly 1 "equipped with lighting devices with multiple light-emitting diodes.
  • the invention is not limited to the embodiments described and shown.
  • the lighting devices according to the invention can be mounted at the front or rear of the vehicle, these devices can be grouped non-adjacent to form other configurations of DRL type traffic lights.
  • the invention makes it possible to satisfy another recommendation of Regulation 26, namely that the headlights must "have neither pointed or sharp parts nor projections directed outwards which, because of their shape, their size, orientation or hardness, could increase the risk or severity of bodily injury to a person struck or brushed by the bodywork in the event of a collision ".
  • the ice may not be formed in one piece and the central portion of collimation may be a lens contiguous to the rest of the ice.
  • the loop arm can be advantageously locked in the use position to neutralize the return force, which allows not to add additional stress to the seat belt in the use position, for example in the event that the position control mechanism ceases to be effective.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

A vehicle lighting device (1) includes a housing (10) receiving a concave reflector (12) and a source of luminous radiation (13) arranged so as to pass, after being reflected on the concave reflector (12), through an output lens (20) mounted on said housing (10). In this lighting device (1) said lens (20) includes a peripheral portion (22) having an area (22C, 42L) recessed from the front position (FR) of the housing (10) by a given distance (D), capable of masking the luminous radiation (F1), and coupled with a transparent central portion (23), which is convex overall and capable of collimating (F2) said luminous radiation (F1) when the latter passes through same. The main aim of the invention is that of providing vehicle lighting in a simple and efficient manner, without resorting to reflector portions with complex shapes, in particular with specific masks or collimators. For this purpose, a single lens is used to perform peripheral masking and central convex collimation.

Description

DISPOSITIF D'ECLAIRAGE DE VEHICULE, EN PARTICULIER  VEHICLE LIGHTING DEVICE, IN PARTICULAR
D'ECLAIRAGE DIURNE, ET VEHICULE AINSI EQUIPE  DIURN LIGHTING SYSTEM, AND VEHICLE THUS EQUIPPED
DESCRIPTION DESCRIPTION
DOMAINE TECHNIQUE TECHNICAL AREA
[0001] L'invention se rapporte à un dispositif d'éclairage de véhicule, en particulier d'éclairage de jour à diodes, ainsi qu'à un véhicule équipé d'un tel système.  The invention relates to a vehicle lighting device, in particular daylighting diodes, and to a vehicle equipped with such a system.
[0002] L'invention appartient au domaine des structures d'éclairage et de signalisation des véhicules, et plus particulièrement - mais non exclusivement - aux feux de circulation diurne (en abrégé « DRL », initiales de « Day time Running Lamp » en terminologie anglaise).  The invention belongs to the field of lighting and signaling structures of vehicles, and more particularly - but not exclusively - to daytime running lights (abbreviated "DRL" initials "Day time Running Lamp" in terminology English).
[0003] Dans ce domaine, l'éclairage est assuré par une source de lumière - une lampe à incandescence, une lampe à induction ou une diode électroluminescence - en liaison avec un réflecteur concave qui concentre la lumière sur un collimateur, entouré d'un masque noir, afin d'émettre un faisceau de lumière parallèle vers l'extérieur du véhicule.  In this field, lighting is provided by a light source - an incandescent lamp, an induction lamp or a light emitting diode - in connection with a concave reflector which concentrates the light on a collimator, surrounded by a black mask, to emit a beam of light parallel to the outside of the vehicle.
[0004] L'ensemble de ces éléments est intégré dans un boîtier en face avant ou arrière du véhicule, et une glace vient refermer ce boîtier pour protéger les éléments d'éclairage des agressions venant de l'extérieur du véhicule. En général, la glace est convexe et lisse afin de respecter les normes, en particulier le règlement R26 de la Commission Economique pour l'Europe des Nations Unies (CEE-ONU). De plus, cette glace reste avantageusement dans le prolongement de la courbure de la carrosserie environnante.  All of these elements is integrated in a housing front or rear of the vehicle, and an ice comes to close the housing to protect the lighting elements of aggression from outside the vehicle. In general, the ice is convex and smooth to comply with the standards, in particular Regulation R26 of the United Nations Economic Commission for Europe (UNECE). In addition, this ice remains advantageously in the extension of the curvature of the surrounding bodywork.
ÉTAT DE LA TECHNIQUE STATE OF THE ART
[0005] Un problème général est de produire un éclairage directif sans zone d'ombre. On connaît du document de brevet FR 2 708 334, un dispositif d'éclairage ou de signalisation comportant une glace ayant une partie périphérique latérale constituée de matière plastique chargée de particules réfléchissantes. Cette réalisation vise à masquer les zones d'aspect sombre, l'aspect de voyant inhomogène d'éclairage entre les plages d'éclairage, ainsi qu'à permettre une visibilité frontale et latérale dans le cas d'un feu de signalisation. Cependant, cette solution n'améliore pas la directivité de l'éclairage et les nombreuses zones d'ombre ou d'inhomogénéité restent difficiles à éliminer. [0005] A general problem is to produce directional lighting without a shadow zone. Patent document FR 2 708 334 discloses a lighting or signaling device comprising an ice cream having a lateral peripheral part made of plastic material loaded with reflective particles. This realization aims to hide the areas of dark appearance, the appearance of seeing inhomogeneous lighting between the lighting ranges, as well as allowing front and side visibility in the event of a traffic light. However, this solution does not improve the directivity of the lighting and the many areas of darkness or inhomogeneity remain difficult to eliminate.
[0006] Le document de brevet US 1 888 995 décrit un phare d'automobile équipé d'une glace associée à un réflecteur concave. Afin d'obtenir un faisceau de lumière parallèle en sortie sur tout le phare, la glace présente une partie principale plane formant une couronne et une partie centrale formant une portion concave montée sur une lentille centrale convexe. Le profil de la glace présente alors une structure complexe : une saillie circulaire dans la partie plane, une paroi de fond réfléchissante dans la portion concave et une découpe particulière de cette portion concave.  US Patent 1,888,995 discloses an automobile headlight equipped with an ice associated with a concave reflector. In order to obtain a beam of parallel light output over the entire headlight, the ice has a planar main portion forming a ring and a central portion forming a concave portion mounted on a convex central lens. The profile of the ice then has a complex structure: a circular projection in the flat part, a reflective bottom wall in the concave portion and a particular cut of this concave portion.
[0007] Ces dispositifs ne permettent pas de réaliser un éclairage directif sans zone d'ombre, de manière simple et efficace.  These devices do not allow to achieve directional lighting without shadow, in a simple and effective manner.
EXPOSÉ DE L'INVENTION STATEMENT OF THE INVENTION
[0008] L'invention a pour objectif principal de réaliser un tel éclairage, de manière simple et efficace, sans recourir à des portions de réflexion de forme complexe, en particulier à des masques ou des collimateurs spécifiques. Pour ce faire, l'invention prévoit d'utiliser une seule glace pour réaliser un masquage périphérique et une collimation convexe centrale.  The main purpose of the invention is to provide such lighting in a simple and efficient manner, without resorting to complex shape reflection portions, in particular masks or specific collimators. To do this, the invention provides for the use of a single lens for peripheral masking and central convex collimation.
[0009] A cet effet, la présente invention a plus précisément pour objet un dispositif d'éclairage de véhicule comportant un boîtier logeant un réflecteur concave et une source de rayonnement lumineux agencée de sorte à venir traverser, après réflexion sur le réflecteur concave, une glace de sortie montée sur ledit boîtier. Dans ce dispositif d'éclairage, ladite glace comporte une partie périphérique présentant une zone au moins partiellement concave, apte à masquer le rayonnement lumineux, et couplée à une partie centrale transparente globalement convexe, apte à collimater ledit rayonnement lumineux lorsqu'il la traverse.  For this purpose, the present invention more specifically relates to a vehicle lighting device comprising a housing housing a concave reflector and a source of light radiation arranged so as to come through, after reflection on the concave reflector, a outlet ice mounted on said housing. In this lighting device, said mirror has a peripheral portion having an area at least partially concave, able to mask the light radiation, and coupled to a transparent central portion generally convex, able to collimate said light radiation when it passes through.
[0010] Selon des modes des caractéristiques avantageuses : - la partie périphérique de la glace forme en extrémité un retour annulaire apte à venir épouser la carrosserie de véhicule, le retour annulaire s'étendant entre un rebord frontal et au moins un embout interne apte à venir s'insérer dans un logement dudit boîtier ; According to the modes of the advantageous characteristics: - The peripheral portion of the ice forms at the end an annular return adapted to fit the vehicle body, the annular return extending between a front edge and at least one inner end adapted to be inserted into a housing of said housing;
- la zone au moins partiellement concave de la partie périphérique de la glace présente globalement en coupe longitudinale une courbure moyenne telle que la partie centrale convexe de la glace reste sans contact, aussi bien dans des conditions statiques qu'en mouvement, avec une sphère de 100 mm de diamètre prenant appui sur le rebord frontal de glace ;  the at least partially concave zone of the peripheral part of the ice generally has a mean curvature in longitudinal section such that the convex central portion of the ice remains non-contact, both in static conditions and in motion, with a sphere of 100 mm in diameter resting on the front edge of ice;
- la zone au moins partiellement concave de la partie périphérique de la glace présente globalement une courbure de valeur moyenne qui peut varier entre une valeur maximale, compatible avec les dimensions du boîtier, et une valeur tendant vers zéro, correspondant à une forme conique, cette valeur de courbure moyenne respectant la condition de non-contact définie ci-dessus ;  the at least partially concave zone of the peripheral portion of the ice generally has a curvature of mean value which can vary between a maximum value, compatible with the dimensions of the case, and a value tending towards zero, corresponding to a conical shape, this average curvature value respecting the non-contact condition defined above;
- la zone au moins partiellement concave de la partie périphérique de la glace est en matériau choisi entre du verre cristal noir opaque, un matériau plastique noir et un matériau composite chargé en noir de carbone ;  the at least partially concave zone of the peripheral portion of the ice is of material chosen between opaque black crystal glass, a black plastic material and a composite material loaded with carbon black;
- lorsque la zone au moins partiellement concave est en verre cristal noir opaque, la glace est formée d'un seul tenant en verre cristal, la partie centrale de collimation étant en verre cristal transparent ;  - When the at least partially concave zone is opaque black crystal glass, the ice is formed of a single piece of crystal glass, the central collimation portion being transparent crystal glass;
- la zone au moins partiellement concave constitue une portion principale de la glace en projection frontale ;  the at least partially concave zone constitutes a main portion of the frontal projection ice;
- la source de lumière est au moins une diode électroluminescente attachée à un support, en matériau plastique, en particulier en PCB, en matériau composite ou tout matériau de solidité et de poids équivalent.  - The light source is at least one light emitting diode attached to a support, made of plastic material, in particular PCB, composite material or any material of strength and equivalent weight.
[0011] L'invention se rapporte également à un ensemble de feux de circulation diurne de type DRL comportant plusieurs dispositifs d'éclairage décrits ci-dessus, montés de manière adjacente et intégrés dans un carter de protection, ainsi qu'à un véhicule automobile comportant au moins deux dispositifs d'éclairage ou deux ensembles de feux de circulation diurne définis ci-dessus, disposés à l'avant et/ou à l'arrière. [0012] Dans le présent texte, le qualificatif « frontal » se rapporte à la position de dispositif d'éclairage de véhicule dans le prolongement de la carrosserie environnant le dispositif d'éclairage. Le qualificatif « interne » se rapporte à l'espace défini dans un boîtier du dispositif d'éclairage, au-delà de la position frontale et le terme « annulaire » signifie de révolution cylindrique sans être nécessairement circulaire. Les termes « supérieur », « inférieur » et « horizontal » se réfèrent à la position d'éléments du véhicule lorsque le véhicule est en fonctionnement standard. Enfin, le qualificatif « longitudinal » se rapporte à un plan sensiblement parallèle au plan de symétrie global traversant le véhicule d'avant en arrière. PRÉSENTATION DES FIGURES The invention also relates to a set of DRL daytime running lamps comprising several lighting devices described above, mounted adjacent and integrated in a protective housing, and to a motor vehicle comprising at least two lighting devices or two sets of daytime running lamps as defined above, arranged at the front and / or at the rear. In this text, the qualifier "front" refers to the vehicle lighting device position in the extension of the bodywork surrounding the lighting device. The qualifier "internal" refers to the space defined in a housing of the lighting device, beyond the frontal position and the term "annular" means cylindrical revolution without being necessarily circular. The terms "upper", "lower" and "horizontal" refer to the position of vehicle elements when the vehicle is in standard operation. Finally, the term "longitudinal" refers to a plane substantially parallel to the overall plane of symmetry passing through the vehicle from front to back. PRESENTATION OF FIGURES
[0013] D'autres données, caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description détaillée non limitative qui suit, en référence aux figures annexées qui représentent, respectivement :  Other data, features and advantages of the present invention will appear on reading the detailed nonlimiting description which follows, with reference to the appended figures which represent, respectively:
- la figure 1 , une vue en coupe schématique longitudinale d'un premier exemple de réalisation d'un dispositif d'éclairage selon l'invention ;  - Figure 1, a schematic longitudinal sectional view of a first embodiment of a lighting device according to the invention;
- la figure 2, une vue en coupe longitudinale d'un autre exemple de réalisation d'un dispositif d'éclairage selon l'invention à diode électroluminescente, et  FIG. 2 is a view in longitudinal section of another exemplary embodiment of a lighting device according to the invention with a light-emitting diode, and
- la figure 3, une vue en perspective d'un ensemble de feux de circulation diurne de type DRL, vu en coupe longitudinale selon la figure 2.  - Figure 3, a perspective view of a set of DRL daytime running lights, seen in longitudinal section according to Figure 2.
DESCRIPTION DÉTAILLÉE  DETAILED DESCRIPTION
[0014] Sur les figures, des signes de référence identiques renvoient aux mêmes éléments exerçant les mêmes fonctions, ainsi qu'aux paragraphes qui les décrivent.  In the figures, identical reference signs refer to the same elements exerting the same functions, as well as to the paragraphs that describe them.
[0015] En référence à la vue en coupe du schéma de la figure 1 , un dispositif d'éclairage 1 est agencé entre la partie supérieure 2s et la partie avant inférieure 2i de la carrosserie d'un véhicule. Le dispositif d'éclairage 1 est ici situé à l'avant du véhicule, mais il pourrait tout aussi bien être situé à l'arrière. Ce dispositif d'éclairage 1 comporte un boîtier 10 ouvert vers la position frontale FR en traits pointillés (en prolongement de la carrosserie) et formant en extrémité un logement 1 1 . Le boîtier 10 abrite un réflecteur concave 12 et une source de lumière 13. La source de lumière 13 est agencée et orientée sur un support 14. Referring to the sectional view of the diagram of Figure 1, a lighting device 1 is arranged between the upper part 2s and the lower front part 2i of the body of a vehicle. The lighting device 1 is here at the front of the vehicle, but it could just as well be located at the rear. This lighting device 1 comprises a housing 10 open towards the front position FR in dashed lines (in extension of the bodywork) and forming at the end a housing 1 1. The housing 10 houses a concave reflector 12 and a light source 13. The light source 13 is arranged and oriented on a support 14.
[0016] Le dispositif d'éclairage 1 est équipé d'une glace 20 qui forme, en ses extrémités supérieure et inférieure, un embout 21 venant se fixer dans le logement 1 1 du boîtier 10. La glace 20 comporte une partie périphérique 22 présentant une zone concave 22C et couplée à une partie centrale convexe 23. La glace 20 présente une symétrie par rapport à un plan médian P sensiblement horizontal.  The lighting device 1 is equipped with a window 20 which forms, at its upper and lower ends, a tip 21 which is fixed in the housing 1 1 of the housing 10. The window 20 has a peripheral portion 22 having a concave zone 22C and coupled to a convex central portion 23. The mirror 20 has a symmetry with respect to a substantially horizontal median plane P.
[0017] Dans cet exemple, la glace 20 est formée d'un seul tenant en verre cristal. La partie périphérique 22 est en matériau de verre cristal chargé de noir de carbone pour masquer le rayonnement lumineux, et la partie centrale convexe 23 est en matériau de verre cristal transparent, non chargé, pour collimater le faisceau lumineux F1 non masqué.  In this example, the ice 20 is formed of a single piece of crystal glass. The peripheral portion 22 is made of carbon black filled crystal glass material to mask the light radiation, and the convex central portion 23 is made of transparent, uncharged crystal glass material to collimate the unmasked light beam F1.
[0018] L'ensemble constitué du support 14, de la source lumineuse 13 et du réflecteur concave 12 est configuré, dimensionné et agencé de sorte que le faisceau lumineux F1 traverse la partie centrale convexe 23 de la glace 20. Ainsi, le rayonnement lumineux, limité sur la figure 1 par les rayons R1 et R2, sort collimaté de la partie centrale convexe 23 selon le faisceau parallèle F2.  The assembly consisting of the support 14, the light source 13 and the concave reflector 12 is configured, sized and arranged so that the light beam F1 passes through the convex central portion 23 of the window 20. Thus, the light radiation , limited in FIG. 1 by the radii R1 and R2, collimated fate of the convex central portion 23 along the parallel beam F2.
[0019] De plus, la zone concave 22C est dimensionnée de sorte que la partie centrale convexe 23 soit à une distance D suffisante de la position frontale FR pour que le règlement 26 de la Commission Economique soit respecté : ce règlement stipule, notamment, que les parties de la surface extérieure d'un véhicule « ne puissent être touchées, aussi bien dans des conditions statiques qu'en mouvement, par une sphère de 100 mm de diamètre pour l'Europe des Nations Unies (CEE-ONU) ». Dans l'exemple, la zone concave 22C constitue une portion principale de la glace 20 en projection sur la position frontale FR.  In addition, the concave zone 22C is dimensioned so that the convex central portion 23 is at a sufficient distance D from the FR front position for the 26 Regulation of the Economic Commission is respected: this regulation states, in particular, that the parts of the outer surface of a vehicle 'can not be touched, both in static conditions and in motion, by a sphere 100 mm in diameter for the United Nations (UN / ECE) Europe'. In the example, the concave zone 22C constitutes a main portion of the ice 20 projected onto the front position FR.
[0020] Par ailleurs, la partie périphérique 22 de la glace 20 forme en extrémité un retour annulaire 24 venant épouser les parties supérieure et inférieure, 2s et 2i, de la carrosserie du véhicule. Ce retour annulaire 24 est continu, ce qui apparaît en référence à la figure 3.  Furthermore, the peripheral portion 22 of the ice 20 at the end forms an annular return 24 to fit the upper and lower parts, 2s and 2i, of the vehicle body. This annular return 24 is continuous, which appears with reference to FIG.
[0021] Le retour annulaire 24 s'étend longitudinalement entre un rebord frontal 25 - aligné sur la position frontale FR en continuité de la partie supérieure de carrosserie 2s - et l'embout interne 21 venant s'insérer dans le logement 1 1 du boîtier 10. The annular return 24 extends longitudinally between a front flange 25 - aligned on the front position FR in continuity of the upper part of body 2s - and the inner end 21 being inserted into the housing 1 1 of the housing 10.
[0022] Un autre exemple de dispositif d'éclairage à diode électroluminescente 1 ' est illustré par la vue en coupe longitudinale de la figure 2. Sur cette figure 2, le boîtier 30 - muni de son logement d'extrémité 31 -, et la glace 40 - avec sa partie périphérique de masquage 42 prolongée par sa partie centrale formant une zone cristal convexe 43 - reprennent globalement la configuration et les fonctions du boîtier 10 et de la glace 20. La partie périphérique 42 de la glace 40 se compose d'un rebord frontal 45 prolongé le retour annulaire d'extrémité 44 qui vient se fixer dans le logement 41 formé par l 'extrémité 31 du boîtier 30.  Another example of a light-emitting diode lighting device 1 'is illustrated by the longitudinal sectional view of FIG. 2. In this FIG. 2, the housing 30 - provided with its end housing 31 -, and the ice 40 - with its masking peripheral portion 42 extended by its central part forming a convex crystal zone 43 - generally take up the configuration and functions of the housing 10 and the ice 20. The peripheral portion 42 of the ice 40 is composed of a front flange 45 extends the annular end return 44 which is fixed in the housing 41 formed by the end 31 of the housing 30.
[0023] La zone cristal convexe 43 est une zone optique qui permet d'obtenir la photométrie du DRL. Cette zone 43 est avantageusement constituée en surépaisseur avec du billage.  The convex crystal zone 43 is an optical zone which makes it possible to obtain the photometry of the DRL. This zone 43 is advantageously made of extra thickness with blasting.
[0024] De plus, le réflecteur concave 32 se prolonge par une embase 35 dans laquelle un orifice 36 est usiné. La diode électroluminescente 33, montée sur son support 34, traverse l'orifice 36 pour que son rayonnement vienne frapper le réflecteur concave 32.  In addition, the concave reflector 32 is extended by a base 35 in which an orifice 36 is machined. The light-emitting diode 33, mounted on its support 34, passes through the orifice 36 so that its radiation hits the concave reflector 32.
[0025] Dans cet exemple, la partie périphérique 42 qui relie le rebord frontal 45 à la partie centrale convexe 43 - dite zone de liaison 42L correspondant à la zone concave 22C de l'exemple précédent - présente une forme conique 42K qui se termine par une forme concave 42C.  In this example, the peripheral portion 42 which connects the front flange 45 to the convex central portion 43 - said connecting zone 42L corresponding to the concave zone 22C of the previous example - has a conical shape 42K which ends with a concave shape 42C.
[0026] La partie centrale convexe 43, qui sert de collimateur au rayonnement issu de la diode électroluminescente 33, satisfait aux conditions dudit règlement 26. En particulier une sphère de 100 mm de diamètre prenant appui sur le rebord 45 ne toucherait pas d'élément extérieur, notamment cette partie centrale convexe 43 suffisamment en retrait par rapport à la position frontale FR (en traits pointillés).  The central convex portion 43, which serves as a collimator radiation from the light emitting diode 33, meets the conditions of said regulation 26. In particular a sphere 100 mm in diameter bearing on the flange 45 would not touch element outside, in particular this convex central portion 43 sufficiently recessed with respect to the front position FR (in dashed lines).
[0027] Le dispositif d'éclairage 1 ' selon la figure 2 peut appartenir à un ensemble de feux de circulation diurne de type DRL. La vue en perspective d'un exemple d'un tel ensemble est illustrée par la figure 3, la figure 2 représente la vue en coupe longitudinale de cet ensemble selon le plan Q de la figure 3. [0028] Sur la figure 3, cinq dispositifs d'éclairage du type ci-dessus décrit - chacune ayant plusieurs diodes électroluminescentes - se succèdent de manière adjacente les une aux autres, pour former un ensemble 1 " de type DRL. Cet ensemble 1 " s'étend dans le plan médian P (cf. figures 1 ou 2), transversalement au plan longitudinal du véhicule. Les parties périphériques 42 des glaces 40 sont aménagées dans un carter de protection 50 qui vient renforcer et structurer cet ensemble 1 " de type DRL équipé de dispositifs d'éclairage à diodes électroluminescentes multiples. The lighting device 1 'according to Figure 2 may belong to a set of DRL daytime running lights. The perspective view of an example of such an assembly is illustrated in FIG. 3, FIG. 2 represents the longitudinal sectional view of this assembly along the plane Q of FIG. 3. In Figure 3, five lighting devices of the type described above - each having a plurality of light emitting diodes - succeed each other adjacent to each other, to form a set 1 "DRL type.This set 1" extends in the median plane P (see Figures 1 or 2), transversely to the longitudinal plane of the vehicle. The peripheral portions 42 of the windows 40 are arranged in a protective casing 50 which reinforces and structures this DRL-type assembly 1 "equipped with lighting devices with multiple light-emitting diodes.
[0029] L'invention n'est pas limitée aux exemples de réalisation décrits et représentés. Ainsi, les dispositifs d'éclairage selon l'invention peuvent être montés à l'avant ou à l'arrière du véhicule, ces dispositifs peuvent regroupés de manière non adjacente afin de former d'autres configurations de feux de circulation de type DRL.  The invention is not limited to the embodiments described and shown. Thus, the lighting devices according to the invention can be mounted at the front or rear of the vehicle, these devices can be grouped non-adjacent to form other configurations of DRL type traffic lights.
[0030] Par ailleurs, l'invention permet de satisfaire à une autre recommandation du règlement 26, à savoir que les phares ne doivent « comporter ni parties pointues ou tranchantes, ni saillies dirigées vers l'extérieur qui, du fait de leur forme, de leurs dimensions, de leur orientation ou de leur dureté, seraient susceptibles d'accroître le risque ou la gravité des lésions corporelles subies par une personne heurtée ou frôlée par la carrosserie en cas de collision ».  Furthermore, the invention makes it possible to satisfy another recommendation of Regulation 26, namely that the headlights must "have neither pointed or sharp parts nor projections directed outwards which, because of their shape, their size, orientation or hardness, could increase the risk or severity of bodily injury to a person struck or brushed by the bodywork in the event of a collision ".
[0031] La glace peut ne pas être formée d'un seul tenant et la partie centrale de collimation peut être une lentille accolée au reste de la glace.  The ice may not be formed in one piece and the central portion of collimation may be a lens contiguous to the rest of the ice.
[0032] De plus, le bras boucle peut être avantageusement verrouillé en position d'utilisation afin de neutraliser alors la force de rappel, ce qui permet de ne pas ajouter de contrainte supplémentaire à la ceinture de sécurité en position d'utilisation, par exemple dans le cas où le mécanisme de commande de position cesserait d'être efficace.  In addition, the loop arm can be advantageously locked in the use position to neutralize the return force, which allows not to add additional stress to the seat belt in the use position, for example in the event that the position control mechanism ceases to be effective.

Claims

REVENDICATIONS
1 . Dispositif d'éclairage de véhicule (1 , 1 ') comportant un boîtier (10, 30) logeant un réflecteur concave (12, 32) et une source de rayonnement lumineux (13, 33) agencée de sorte à venir traverser, après réflexion sur le réflecteur concave (12, 32), une glace de sortie (20, 40) montée sur ledit boîtier (10, 30), ce dispositif d'éclairage étant caractérisé en ce que ladite glace (20, 40) comporte une partie périphérique (22, 42) présentant une zone (22C, 42L) en retrait de la positon frontale (FR) du boîtier (10, 30) d'une distance déterminé (D), apte à masquer le rayonnement lumineux (F1 ), et couplée à une partie centrale transparente (23, 43) globalement convexe, apte à collimater (F2) ledit rayonnement lumineux (F1 ) lorsqu'il la traverse. 1. Vehicle lighting device (1, 1 ') having a housing (10, 30) housing a concave reflector (12, 32) and a source of light radiation (13, 33) arranged to pass therethrough, after reflection on the concave reflector (12, 32), an outlet window (20, 40) mounted on said housing (10, 30), said lighting device being characterized in that said window (20, 40) comprises a peripheral portion ( 22, 42) having a zone (22C, 42L) set back from the front position (FR) of the housing (10, 30) by a determined distance (D), able to mask the light radiation (F1), and coupled to a transparent central part (23, 43) generally convex, able to collimate (F2) said light radiation (F1) when it passes through it.
2. Dispositif d'éclairage selon la revendication 1 , dans lequel la partie périphérique (22, 42) de la glace (20, 40) forme en extrémité un retour annulaire (24, 44) apte à venir épouser la carrosserie (2s, 2i) de véhicule, le retour annulaire (24, 44) s'étendant entre un rebord frontal (25, 45) et au moins un embout interne (21 , 41 ) apte à venir s'insérer dans un logement (1 1 , 31 ) dudit boîtier (10, 30).  2. Lighting device according to claim 1, wherein the peripheral portion (22, 42) of the ice (20, 40) forms at the end an annular return (24, 44) adapted to fit the body (2s, 2i). ), the annular return (24, 44) extending between a front flange (25, 45) and at least one inner end (21, 41) adapted to be inserted into a housing (1 1, 31) said housing (10, 30).
3. Dispositif d'éclairage selon l'une quelconque des revendications 1 et 2, dans lequel la zone au moins partiellement concave (22C, 42L) de la partie périphérique (22, 42) de la glace (20, 40) présente globalement en coupe longitudinale une courbure moyenne telle que la partie centrale convexe (23, 43) de la glace (20, 40) reste sans contact, aussi bien dans des conditions statiques qu'en mouvement, avec une sphère de 100 mm de diamètre prenant appui sur le rebord frontal de glace (25, 45).  3. Lighting device according to any one of claims 1 and 2, wherein the at least partially concave area (22C, 42L) of the peripheral portion (22, 42) of the ice (20, 40) has generally longitudinal section a mean curvature such that the convex central portion (23, 43) of the ice (20, 40) remains non-contact, both in static conditions and in motion, with a sphere 100 mm in diameter bearing on the front edge of ice (25, 45).
4. Dispositif d'éclairage selon la revendication précédente, dans lequel la zone au moins partiellement concave (22C, 42L) de la partie périphérique (22, 42) de la glace (20, 40) présente globalement une courbure de valeur moyenne qui varie entre une valeur maximale, compatible avec les dimensions du boîtier (10, 30), et une valeur tendant vers zéro, correspondant à une forme conique, cette valeur de courbure moyenne respectant la condition de non- contact. 4. Lighting device according to the preceding claim, wherein the at least partially concave area (22C, 42L) of the peripheral portion (22, 42) of the ice (20, 40) generally has a curvature of average value that varies between a maximum value, compatible with the dimensions of the housing (10, 30), and a value tending towards zero, corresponding to a conical shape, this mean curvature value respecting the non-contact condition.
5. Dispositif d'éclairage selon l'une quelconque des revendications précédentes, dans lequel la zone au moins partiellement concave (22C, 42L) de la partie périphérique (22, 42) de la glace (20, 40) est en matériau choisi entre du verre cristal noir opaque, un matériau plastique noir et un matériau composite chargé en noir de carbone. 5. Lighting device according to any one of the preceding claims, wherein the at least partially concave area (22C, 42L) of the peripheral portion (22, 42) of the ice (20, 40) is of material selected from opaque black crystal glass, a black plastic material and a composite material loaded with carbon black.
6. Dispositif d'éclairage selon l'une quelconque des revendications précédentes, dans lequel lorsque la zone au moins partiellement concave (22C, 42L) est en verre cristal noir opaque, la glace (20, 40) est formée d'un seul tenant en verre cristal, la partie centrale de collimation (23, 43) étant en verre cristal transparent.  A lighting device according to any one of the preceding claims, wherein when the at least partially concave area (22C, 42L) is opaque black crystal glass, the ice (20, 40) is integrally formed in crystal glass, the central collimation portion (23, 43) being made of transparent crystal glass.
7. Dispositif d'éclairage selon l'une quelconque des revendications précédentes, dans lequel la zone au moins partiellement concave (22C, 42L) constitue une portion principale de la glace (20, 40) en projection frontale (FR).  7. Lighting device according to any one of the preceding claims, wherein the at least partially concave zone (22C, 42L) constitutes a main portion of the ice (20, 40) in frontal projection (FR).
8. Dispositif d'éclairage selon l'une quelconque des revendications 1 et 2, dans lequel la source de lumière est au moins une diode électroluminescente 8. Lighting device according to any one of claims 1 and 2, wherein the light source is at least one light emitting diode.
(33) attachée à un support (34). (33) attached to a support (34).
9. Ensemble de feux de circulation diurne de type DRL (1 ") comportant plusieurs dispositifs d'éclairage (1 , 1 ') selon l'une quelconque des revendications précédentes, montés de manière adjacente et intégrés dans un carter de protection (50).  9. DRL (1 ") daytime running lamp assembly comprising a plurality of lighting devices (1, 1 ') according to any one of the preceding claims, mounted adjacent and integrated in a protective housing (50) .
10. Véhicule automobile comportant au moins deux dispositifs d'éclairage selon l'une quelconque des revendications 1 à 8 ou au moins deux ensembles de feux de circulation diurne selon la revendication précédente, disposés à l'avant et/ou à l'arrière.  10. Motor vehicle comprising at least two lighting devices according to any one of claims 1 to 8 or at least two sets of daytime running lights according to the preceding claim, arranged at the front and / or rear.
PCT/FR2015/050055 2014-01-21 2015-01-12 Vehicle lighting device, in particular for daytime-running lights, and vehicle provided with same WO2015110736A1 (en)

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EP3097350A1 (en) 2016-11-30
CN106415118A (en) 2017-02-15
CN106415118B (en) 2020-01-17
FR3016684A1 (en) 2015-07-24
FR3016684B1 (en) 2019-05-10

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