CN106415118B - Vehicle lighting device, in particular daytime lighting device, and vehicle equipped therewith - Google Patents

Vehicle lighting device, in particular daytime lighting device, and vehicle equipped therewith Download PDF

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Publication number
CN106415118B
CN106415118B CN201580005261.5A CN201580005261A CN106415118B CN 106415118 B CN106415118 B CN 106415118B CN 201580005261 A CN201580005261 A CN 201580005261A CN 106415118 B CN106415118 B CN 106415118B
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CN
China
Prior art keywords
mirror
lighting device
housing
vehicle
concave region
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Active
Application number
CN201580005261.5A
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Chinese (zh)
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CN106415118A (en
Inventor
R·佩龙
G·穆瓦尼耶
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PSA Automobiles SA
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Peugeot Citroen Automobiles SA
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Publication of CN106415118A publication Critical patent/CN106415118A/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

Abstract

A vehicle lighting device (1) comprising a housing (10) housing a concave reflector (12) and light radiation sources (13) configured for passing light radiation through an output mirror (20) fitted on the housing (10) after reflection on the concave reflector (12). In the lighting device (1), the mirror (20) comprises a peripheral portion (22) having an indented area (22C, 42L) indented by a determined distance (D) from a front position (FR) of the housing (10), said indented area being able to shield the light radiation (F1), and said indented area being joined to a central transparent portion (23) which is overall convex and able to collimate (F2) the light radiation (F1) while passing through said central transparent portion. The main object of the present invention is to implement the lighting of a vehicle in a simple and effective way, without using reflecting parts of complex shape, in particular with special masks or collimators. For this purpose, a single mirror is used to implement both peripheral shading and central convex surface collimation.

Description

Vehicle lighting device, in particular daytime lighting device, and vehicle equipped therewith
Technical Field
The invention relates to a vehicle lighting device, in particular a daytime lighting device with diodes, and a vehicle equipped with such a system.
The present invention relates to the field of lighting and signalling structures for vehicles, and more particularly (but not exclusively) to daytime Running lights (abbreviated as "DRL", initials in the english term "Day time Running Lamp").
In this field, the illumination is ensured by a light source (incandescent lamp, induction lamp or electroluminescent diode) connected to a concave reflector surrounded by a black mask, which concentrates the light on a collimator to send a parallel beam of light to the outside of the vehicle.
The collection of these elements is integrated in a housing located on the front or rear surface of the vehicle, and a mirror closes the housing to protect the lighting elements from hazards from outside the vehicle. Typically, the mirror is convex and smooth in order to comply with regulations, in particular the R26 regulation of the european economic commission of united nations (CEE-ONU). In addition, the mirror is advantageously held in the extension of the curvature of the surrounding body.
Background
A general problem is to create direct illumination of the shadowless area. From patent document FR2708334 a lighting and signalling device is known which comprises a mirror having a lateral peripheral portion made of a plastic material containing light-reflecting particles. This implementation is intended to mask areas of dull appearance (appearance of uneven illumination signals between illumination ranges) and to allow front and side visibility in the case of signal lights. However, this solution does not improve the illumination directivity, and a large number of shadows or uneven areas remain difficult to eliminate.
Patent document US1888995 describes an automotive headlamp equipped with a mirror associated with a concave reflector. In order to obtain a light beam that is output in parallel over the entire vehicle lamp, the mirror has a main planar portion forming a ring and an intermediate portion forming a concave portion, said intermediate portion being fitted on the central convex lens. The mirror profile therefore has a complex structure: an annular protrusion in the planar portion, a light reflecting bottom wall in the concave portion, and a special cutout in the convex portion.
These devices are not capable of implementing direct illumination of the shadowless area in a simple and efficient manner.
Disclosure of Invention
The main object of the present invention is to implement such illumination in a simple and efficient manner, without relying on reflecting areas of complex shape, in particular without relying on special masks or specific collimators. To this end, the invention provides for the use of a single mirror to perform both peripheral shading and central convex surface collimation.
To this end, the invention aims more precisely at providing a vehicle lighting device comprising a housing accommodating a concave reflector and a source of light radiation configured for passing the light radiation through an output mirror fitted on the housing after reflection on the concave reflector. In this lighting device, the mirror comprises a peripheral portion having an at least partially concave region capable of shielding the light radiation, and associated with a central transparent portion, generally convex, capable of collimating the light radiation while passing through the central transparent portion.
According to a mode of advantageous features:
the peripheral portion of the mirror forms, at the end, an annular flap that can be fitted to the bodywork of the vehicle, extending between the frontal edge and at least one internal socket that can be inserted in the housing of the casing;
the at least partially concave region of the peripheral portion of the mirror has, overall in longitudinal section, an average curvature such that the central convex portion of the mirror remains free of contact with a sphere of 100mm diameter resting on the front edge of the mirror, both in the rest state and in the motion state;
the at least partially concave region of the peripheral portion of the mirror as a whole has a curvature of average value varying between a maximum value compatible with the dimensions of the shell and a value close to zero corresponding to the conical shape, the curvature average value following the contactless clause defined above;
-the at least partially concave region of the peripheral portion of the mirror is made of a material selected from black opaque crystalline glass, black plastic material and composite material containing carbon black;
when the at least partially concave region is made of black opaque crystal glass, the mirror is integrally formed from crystal glass, while the central collimating portion is made of transparent crystal glass;
the at least partially concave region constitutes the main part of the mirror in front projection;
the light source is at least one electroluminescent diode joined to a support made of plastic material (in particular PCB), composite material or all materials of equivalent solidity and mass.
The invention also relates to a daytime running light group of the DRL type comprising a plurality of lighting devices as described above, which are fitted in an adjacent manner and integrated in a protective housing, and to a motor vehicle comprising at least two lighting devices as described above or two daytime running light groups as described above arranged in the front and/or rear.
In this context, the modifier "frontal" relates to the position of the lighting device of the vehicle in the extension of the body surrounding said lighting device. The modifier "internal" relates to the space defined in the housing of the lighting device and situated opposite the front face, the term "annular" denoting a cylindrical revolution which does not necessarily have to be circular. The terms "upper", "lower" and "horizontal" relate to the position of the vehicle elements when the vehicle is in standard operation. Finally, the modifier "longitudinal" relates to a plane substantially parallel to a plane passing through the entire plane of symmetry of the vehicle from front to rear.
Drawings
Other data, features and advantages of the present invention will become more apparent upon reading the following non-limiting detailed description and drawings, in which:
figure 1 is a schematic longitudinal section of a first embodiment of a lighting device according to the invention;
FIG. 2 is a longitudinal section of another embodiment of a lighting device according to the invention with electroluminescent diodes, an
Fig. 3 is a perspective view of a DRL-type daytime running light group, shown in longitudinal section according to fig. 2.
Detailed Description
On the drawings, the same reference numerals refer to the same elements performing the same functions, and to paragraphs describing the elements.
Referring to the cross-sectional schematic view of fig. 1, the lighting device 1 is arranged between an upper portion 2s and a lower front portion 2i of the vehicle body. The lighting device 1 is here located at the front of the vehicle, but may also be located at the rear. The lighting device 1 comprises a housing 10 which is open towards a frontal position FR (in the extension of the vehicle body) shown in dotted lines and forms a housing 11 at the end. The housing 10 houses a concave reflector 12 and a light source 13. The light source 13 is configured and oriented on the support 14.
The lighting device 1 is equipped with a mirror 20, the upper and lower ends of which form sockets 21, which are fixed in the housing 11 of the housing 10. Mirror 20 includes a peripheral portion 22 having a concave region 22C and joined to a central convex portion 23. The mirror 20 has symmetry with respect to a substantially horizontal mid-plane P.
In this example, the mirror 20 is integrally molded from crystal glass. The peripheral portion 22 is made of a crystalline glass material containing carbon black to shield the light radiation, and the intermediate convex portion 23 is made of a transparent crystalline glass material containing no carbon black to collimate the light beam F1 which is not shielded.
The set of support 14, light source 13, and concave reflector 12 is constructed, dimensioned, and arranged such that light beam F1 passes through central convex portion 23 of mirror 20. Thus, the optical radiation bounded by the rays R1 and R2 in fig. 1 is collimated out along the parallel beam F2 by the central convex portion.
In addition, the concave region 22C is sized so that the central convex portion 23 is spaced from the frontal position FR by a sufficient distance D to comply with the regulations 26 of the economic commission: this regulation specifies, in particular, that the exterior surface part of the vehicle "is not accessible, both in the stationary state and in the moving state, by a sphere with a diameter of 100mm (for the united nations europe (CEE-ONU)"). In the example, the concave area 22C constitutes the main part of the mirror 20 when projected on the frontal position FR.
Furthermore, the peripheral portion 22 of the mirror 20 forms, at the ends, annular flaps 24 that fit the upper and lower portions 2s and 2i of the vehicle body. The annular flap 24 is continuous, as shown with reference to fig. 3.
The annular flap 24 extends longitudinally between a frontal edge 25 (aligned with the frontal position FR to form continuity with the upper portion 2s of the body) and the internal socket 21, which is inserted in the housing 11 of the shell 10.
Another example of a lighting device 1' with electroluminescent diodes is shown by the longitudinal sectional view of fig. 2. In this fig. 2, the housing 30 (having the end receiving portion 31) and the mirror 40 (the peripheral shielding portion 42 of which is extended by the central portion forming the central convex crystal region 43) show the configuration and function of the housing 10 and the mirror 20 as a whole. The peripheral portion 42 of the mirror 40 is constituted by a front edge 45 extended by an annular flap 44 fixed in a housing 41 formed by the end 31 of the casing 30.
The convex crystal region 43 is an optical region in which DRL photometry (photometrie) can be obtained. This region 43 advantageously constitutes a thickened region (sur pa isseur) using a ball (balloon).
In addition, the concave reflector 32 is extended by a base 35, which is machined with a hole 36. An electroluminescent diode 33 mounted on a support 34 passes through the aperture 36 so that its radiation impinges on the concave reflector 32.
In this example, the peripheral portion 42 (referred to as the connection area 42L corresponding to the concave area 22C in the above example) joining the front face edge 45 with the central convex portion 43 has a conical shape 42K terminated by a concave shape 42C.
The central convex portion 43, which acts as a collimator for the radiation from the electroluminescent diode 33, meets the provisions of said regulation 26. In particular a sphere of 100mm diameter resting on the edge 45, does not contact the external element, in particular the central convex portion 43 is sufficiently retracted with respect to the frontal position FR (shown in broken lines).
The lighting device 1' according to fig. 2 may relate to a daytime running light group of the DRL type. A perspective view of an example of such a lamp set is shown in fig. 3, and fig. 2 shows a longitudinal sectional view of the lamp set taken along plane Q of fig. 3.
In fig. 3, five lighting devices of the above-described type, each having a plurality of electroluminescent diodes, are arranged next to one another in such a way as to form a lamp group 1 "of the DRL type. The lamp assembly 1 ″ extends transversely to the longitudinal plane of the vehicle in a middle plane P (see fig. 1 or 2). The peripheral portion 42 of the mirror 40 is arranged in a protective housing 50 which stiffens and has a structure of this group 1 "of lamps of the DRL type, which is equipped with a lighting device with multiple electroluminescent leds.
The invention is not limited to the embodiments described and shown. Thus, the lighting device according to the invention can be fitted in the front or rear of a vehicle, these devices being concentrated in a non-adjacent manner so as to form other configurations of a DRL-type running light.
Furthermore, the present invention is able to meet another requirement of regulation 26, namely that the headlights must not "comprise sharp or sharp parts facing towards the outside and protrusions which, due to their shape, size, orientation or hardness, may increase the risk or severity of human injury experienced by persons who have been injured or bruised by the bodywork in the event of a collision".
The mirror may be formed non-integrally, and the central collimating portion may be a lens joined to the remainder of the mirror.
In addition, the buckle arm can advantageously be locked in the use position in order to counteract a restoring force, which can for example not add additional stress to the safety belt in the use position in the case of a position control mechanism that is no longer effective.

Claims (10)

1. A vehicle lighting device (1, 1') comprising a housing (10, 30) housing a concave reflector (12, 32) and light radiation sources (13, 33) configured for passing light radiation after reflection on the concave reflector (12, 32) through an output mirror (20, 40) fitted on the housing (10, 30), characterized in that the mirror (20, 40) comprises: a central convex collimating portion (23, 43) made of transparent crystal glass defining a thickened optical area on the output mirror (20, 40) opposite the front position (FR) of the housing (10, 30); and a peripheral portion having a concave region (22,42) associated with said central convex straight portion (23, 43), said concave region being set back from a frontal position (FR) of the housing (10, 30) by a determined distance (D), said concave region being able to shield the light radiation.
2. The lighting device according to claim 1, wherein the peripheral portion (22,42) of the mirror (20, 40) forms at the end an annular flap (24, 44) that can be fitted to the vehicle body (2s, 2i), said annular flap (24, 44) extending between a frontal edge (25, 45) and at least one internal socket (21, 41) that can be inserted in a housing (11, 31) of the casing (10, 30).
3. Lighting device according to claim 1 or 2, wherein the at least partially concave region (22C, 42L) of the peripheral portion (22,42) of the mirror (20, 40) has, as a whole, in longitudinal section, an average curvature so that the central convex portion (23, 43) of the mirror (20, 40) remains free of contact with a sphere of 100mm diameter resting on the front edge (25, 45) of the mirror, both in the rest state and in the motion state.
4. The lighting device according to claim 3, wherein the at least partially concave region (22C, 42L) of the peripheral portion (22,42) of the mirror (20, 40) has overall a mean curvature varying between a maximum value compatible with the dimensions of the housing (10, 30) and a value close to zero corresponding to the conical shape, said mean curvature following contactless provisions.
5. The lighting device according to any one of claims 1, 2 and 4, wherein the at least partially concave region (22C, 42L) of the peripheral portion (22,42) of the mirror (20, 40) is made of a material selected from black opaque crystalline glass, black plastic material and composite material containing carbon black.
6. The lighting device according to any one of claims 1, 2 and 4, wherein the mirror (20, 40) is integrally formed from a crystal glass when the at least partially concave region (22C, 42L) is made from a black opaque crystal glass.
7. Lighting device according to one of claims 1, 2 and 4, in which the at least partially concave region (22C, 42L) constitutes the main part of the mirror (20, 40) in front projection (FR).
8. The lighting device according to claim 1 or 2, wherein the light source is at least one electroluminescent diode (33) coupled to a support (34).
9. A day drive light group (1 ") of the DRL type, comprising a plurality of lighting devices (1, 1') according to any one of the preceding claims, fitted in proximity and integrated in a protective casing (50).
10. A motor vehicle comprising at least two lighting devices according to any one of claims 1 to 8 or at least two daytime running light sets according to claim 9 arranged in front and/or rear.
CN201580005261.5A 2014-01-21 2015-01-12 Vehicle lighting device, in particular daytime lighting device, and vehicle equipped therewith Active CN106415118B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1450453 2014-01-21
FR1450453A FR3016684B1 (en) 2014-01-21 2014-01-21 VEHICLE LIGHTING DEVICE, IN PARTICULAR DIURN LIGHTING, AND VEHICLE THUS EQUIPPED
PCT/FR2015/050055 WO2015110736A1 (en) 2014-01-21 2015-01-12 Vehicle lighting device, in particular for daytime-running lights, and vehicle provided with same

Publications (2)

Publication Number Publication Date
CN106415118A CN106415118A (en) 2017-02-15
CN106415118B true CN106415118B (en) 2020-01-17

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EP (1) EP3097350A1 (en)
CN (1) CN106415118B (en)
FR (1) FR3016684B1 (en)
WO (1) WO2015110736A1 (en)

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WO2015110736A1 (en) 2015-07-30
FR3016684A1 (en) 2015-07-24
CN106415118A (en) 2017-02-15
EP3097350A1 (en) 2016-11-30
FR3016684B1 (en) 2019-05-10

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