EP3771861A1 - Leuchtvorrichtung - Google Patents

Leuchtvorrichtung Download PDF

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Publication number
EP3771861A1
EP3771861A1 EP20187133.2A EP20187133A EP3771861A1 EP 3771861 A1 EP3771861 A1 EP 3771861A1 EP 20187133 A EP20187133 A EP 20187133A EP 3771861 A1 EP3771861 A1 EP 3771861A1
Authority
EP
European Patent Office
Prior art keywords
reflector
connector
stops
fixing interface
electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20187133.2A
Other languages
English (en)
French (fr)
Other versions
EP3771861B1 (de
Inventor
Pierrick GEORGE
Mehdi Madelaine
Jean-Christophe Thimouy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP3771861A1 publication Critical patent/EP3771861A1/de
Application granted granted Critical
Publication of EP3771861B1 publication Critical patent/EP3771861B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F21S41/39—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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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
    • F21V17/12—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 screwing

Definitions

  • the present invention relates to a light device of a vehicle. It finds a particular but nonlimiting application in motor vehicles.
  • a lighting device In the field of motor vehicles, a lighting device known to those skilled in the art comprises a reflector, an electronic plate supporting a light source, a connector comprising two parts, and a fixing interface between said electronic plate and said reflector.
  • a drawback of this state of the art is that the electronic plate with the connector are mounted on the reflector along the vertical axis to the axis of the vehicle, the axis of the vehicle which extends from the front to the rear of the vehicle. . According to this vertical assembly, there is a risk that the two parts of the connector will not be well connected to each other during assembly, or that they will not remain well connected to each other when the vehicle is moving.
  • the present invention aims to provide a lighting device which makes it possible to solve the mentioned drawback.
  • the invention provides a lighting device for a vehicle comprising a reflector, an electronic plate supporting a light source, a connector comprising two parts, and a fastening interface between said electronic plate and said reflector, characterized in that that said fixing interface comprises stops cooperating with stops of one of the two parts of said connector.
  • the stops of the fixing interface by cooperating with the stops of the connector make it possible to ensure a reliable connection while guaranteeing good contact of the connector.
  • this avoids having an additional check to know if the connection between the two parts of the connector is made correctly.
  • the lighting device of a vehicle may further include one or more additional characteristics taken alone or in any technically possible combination, among the following.
  • said fixing interface comprises a screwing shank configured to be opposite an orifice of said reflector and to receive a screw.
  • said lighting device comprises a vertical assembly axis which is perpendicular to a vehicle axis.
  • said fixing interface comprises two stops.
  • said fixing interface comprises a base plate and said stops extend in a plane parallel to the plane of said base plate.
  • said vehicle is a motor vehicle.
  • the lighting device 1 of a vehicle is described with reference to figures 1 to 10 .
  • the vehicle is a motor vehicle.
  • motor vehicle is meant any type of motor vehicle. This embodiment is taken as a non-limiting example in the remainder of the description. In the remainder of the description, the vehicle is thus otherwise called a motor vehicle.
  • a headlight can include one or more light devices 1. The same is true for a signal light, a fog light, a rear light, an interior lighting device.
  • the light device 1 is adapted to form all or part of a signaling beam (daytime running light, position light, fog light, flashing light), and / or a lighting beam (high beam called "High Beam” in Anglo-Saxon language, low beam called “Low Beam” in Anglo-Saxon language).
  • a signaling beam daytime running light, position light, fog light, flashing light
  • a lighting beam high beam called "High Beam” in Anglo-Saxon language
  • the lighting device 1 comprises a sliding link 104-144 between the reflector 10 and the fixing interface 14.
  • the lighting device 1 comprises a vertical assembly axis Z which is perpendicular to a vehicle axis. Y, said vehicle axis Y being the axis which extends from the front to the rear of the motor vehicle 2.
  • the reflector 10, the electronic plate 11, and the fixing interface 14 are assembled together vertically along said vertical assembly axis Z.
  • the assembly along the vertical assembly axis Z makes it possible to have a good focusing of the light source 12 on the reflector 10.
  • the Z assembly has less dispersions than an assembly in Y because the positioning of the light source 12 is more precise than it is in Y.
  • the elements of the lighting device 1 are described in detail below.
  • the reflector 10 comprises a base 100 configured to be fixed to the electronic plate 11, in particular to the primary part 112a of the heat sink 112 described below, and an optical part 101 configured to reflect the light rays R from the light source 12 described later.
  • the reflector 10 further comprises an orifice 100d through which a screw 4 can pass.
  • the orifice 100d is configured to be placed opposite a screwing shank 143 of the fixing interface 14 described below.
  • the reflector 10 is in sliding connection with the fixing interface 14.
  • it comprises a slide 104 configured to cooperate with a slide 144 of the fixing interface 14.
  • the reflector 10 further comprises at least one keying 102, called poka yoke, for positioning said reflector 10 relative to the electronic plate 11. This makes it possible to focus the light source 12 on the reflector 10.
  • the keying device 102 is configured to cooperate with a hole 104 of the fixing interface 14 described later. In a non-limiting example, it comprises two keying devices 102.
  • the keying device 102 is a lug configured to fit into a hole 104 of the fixing interface 14.
  • the keying 102 has a shape in square. This makes it possible to limit the width of the electronic medium 110 and to optimize the paneling of the electronic medium 110.
  • the electronic plate 11 comprises an electronic support 110 and a heat sink 112. These elements are described below.
  • the electronic support 110 is suitable for receiving and electrically connecting a set of electronic components together.
  • it accommodates the light source 12 and a device 15 for controlling the power supply to the light source.
  • the electronic support 110 and in particular its electronic components including the control device 15 and the light source 12, generates heat during its operation which must be evacuated out of the lighting device 1. The evacuation of this heat is provided by the heat sink 112.
  • the electronic support 110 is a printed circuit board, otherwise called a PCBA (“Printed Circuit Board Assembly”) card.
  • the electronic support 110 is a flexible card called “flex PCB” or “flex circuit” (“flexible printed circuit” in English).
  • the electronic support 110 comprises an orifice 110d through which a screw 4 can pass and configured to be placed opposite the orifice 100d of the reflector 10.
  • the light source 12 is adapted to emit light rays R. These light rays R cooperate with the reflector 10 so as to form a light beam F.
  • the light source 12 is a source of light. semiconductor light.
  • the semiconductor light source 12 forms part of a light emitting diode.
  • light-emitting diode is meant any type of light-emitting diode, whether in non-limiting examples of LEDs (“Light Emitting Diode”), an OLED (“Organic LED”) or an AMOLED (“Active-Matrix-Organic LED”). ), or a FOLED (“Flexible OLED”).
  • the light source 12 is fixed on the electronic support 110 itself fixed on the heat sink 112.
  • the light source 12 is disposed at a distance from the control device 15.
  • the control device 15 is also fixed on the electronic support 110.
  • the heat sink 112 is configured to remove the heat given off by the lighting device 1, in particular by its light source 12 and by the control device 15. As illustrated in the figure. figure 5b , it comprises a primary part 112a and a secondary part 112b which extends perpendicularly relative to the primary part 112a.
  • the primary part 112a and the secondary part 112b are connected by an elbow 112c. They both serve to dissipate heat.
  • the primary part 112a is configured to press against the electronic support 10, and the secondary part 112b is configured to be opposite said connector 13 when the lighting device 1 is mounted.
  • the secondary part 112b is positioned at the rear and towards the bottom due to space constraints.
  • the secondary part 112 can accommodate an additional heat sink in High Beam configurations.
  • the heat sink 112 comprises an orifice 112d through which a screw 4 can pass, and configured to be disposed opposite the orifice 100d of the reflector 10 and the orifice 110d of the electronic support 110
  • the heat sink 112 comprises at least one window 112e configured to cooperate with a polarizer 102 of the reflector 10.
  • it comprises two windows 112e.
  • the windows 112e have a square shape.
  • the screwing along the vertical assembly axis Z makes it possible to overcome the dispersions in the production of the bending carried out on the heat sink 12 to obtain the primary part 112a and the secondary part 112b, unlike a screwing according to the vehicle axis Y.
  • the screwing along the vehicle axis Y is in fact done on the secondary part 112b while the electronic support 110 is fixed on the primary part 112a.
  • the dispersion in the production of the folding has an impact on the final orientation of the electronic medium 110.
  • the connector 13 comprises two parts 130 and 131.
  • the part 130 is a male part while the part 131 is a female part.
  • the male part 130 and the female part 131 are connected to each other along the vertical assembly axis Z.
  • the connector 13 further comprises a holding element 132 for electrical connection wires 3 (illustrated in FIG. figure 1 ) which connect the electronic components (including the light source 12 and the control device 15) of the electronic support 110 with a power supply (not shown) of the motor vehicle.
  • this retaining element 132 is configured to clip into the female part 131.
  • this retaining element 132 is part of the female part 131.
  • the connector 13 comprises two stops 133 configured to come into contact with the connection interface 14 described below, in particular with its two stops 140.
  • the two stops 133 form part of the holding element 132.
  • These two stops 133 are connected to a body 132a of the holding element 132, in particular they are connected to each end of this holding element 132.
  • the fixing interface 14 is an attached part. As shown on figure 7 , it comprises stops 140 configured to cooperate with the stops 133 of one of the two parts 130, 131 of the connector 131. In a non-limiting embodiment, it comprises two stops 140. In a non-limiting embodiment, the fixing interface 14 further comprises a base plate 141 which extends in a plane AA '(illustrated in the figure by a dotted line), and the stops 140 extend in a plane parallel BB' (illustrated in the figure by a dotted line) to the axis A-A '. They are thus offset with respect to the base plate 141 along the Z axis. The position of the plane of the base plate 141 is linked to the height of the screw barrel 143.
  • the position of the plane of the stops 140 is linked to the height. height of the connector 13 and of the retaining element 132.
  • the stops 140 are connected to the base plate 141 by a connecting plate 142 perpendicular to the base plate 141.
  • the connecting plate 142 extends along the length 'vertical assembly axis Z.
  • the fixing interface 14 further comprises a screwing shank 143 configured to be opposite the orifice 100d of the reflector 10 and to receive the screw 4.
  • the screw 4 enables the assembly of the fixing interface 14, reflector 10 and electronic plate 11 to be screwed.
  • the screwing barrel 143 originates from the base plate 141 and extends perpendicularly to it, namely along the axis. vertical assembly Z.
  • the fixing interface 14 further comprises slider 144 co nfigured to slide in the slide 104 of the reflector 10 so as to position the fixing interface 14 relative to the reflector 10.
  • the sliding of the slider 144 takes place perpendicular to the vertical assembly axis Z.
  • the slide 144 extends on either side of the screw barrel 143.
  • the figure 8 illustrates the fixing interface 14 which cooperates with the connector 13.
  • the stops 133 of the connector 13 bear against the stops 140 of the connection interface 14.
  • the connector 13 is arranged parallel to the connecting plate 142 of the fixing interface 14. In particular its female part 131 is located opposite said connecting plate 142.
  • the elements of the lighting device 1 are assembled as follows by an operator or a machine tool. In the non-limiting example which follows, it is carried out by an operator.
  • the operator assembles the two parts 130, 131 of the connector 13.
  • the male part 130 fits into the female part 131.
  • the operator clips the retaining element 132 with the female part 131.
  • the operator positions the connector 13 on the electronic plate 11 along the vertical assembly axis Z, in particular he maintains the connector 13 in contact with the electronic support 110 by pressing on it with a pressing force 50.
  • the male part 131 is in contact with the electronic support 110.
  • a third step illustrated on figure 10 the reflector 10 and the fixing interface 14 are assembled together by means of the sliding link 104-144.
  • the operator pushes the slide 144 of the fixing interface 14 in translation in the slide 104 of the reflector 10 along the vehicle axis Y, with a pressure force 51.
  • the reflector 10 is thus assembled with the The fixing interface 14, its orifice 100d is located opposite the screwing shank 143 of the fixing interface 14. It will be noted that steps one to three above can be carried out in any order.
  • control device 15 is not fixed to the electronic support 110 but is deported.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP20187133.2A 2019-07-30 2020-07-22 Leuchtvorrichtung Active EP3771861B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1908653A FR3099545B1 (fr) 2019-07-30 2019-07-30 Dispositif lumineux

Publications (2)

Publication Number Publication Date
EP3771861A1 true EP3771861A1 (de) 2021-02-03
EP3771861B1 EP3771861B1 (de) 2022-03-16

Family

ID=69172862

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20187133.2A Active EP3771861B1 (de) 2019-07-30 2020-07-22 Leuchtvorrichtung

Country Status (2)

Country Link
EP (1) EP3771861B1 (de)
FR (1) FR3099545B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022236084A1 (en) * 2021-05-07 2022-11-10 Lumileds Llc Two-part heatsink for led module
FR3123710A1 (fr) * 2021-06-02 2022-12-09 Psa Automobiles Sa Bloc optique de signalisation de véhicule automobile muni d’un radiateur percé
FR3136269A1 (fr) * 2022-06-02 2023-12-08 Psa Automobiles Sa Ensemble d’éclairage pour projecteur de véhicule automobile

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865524A1 (fr) * 2004-01-23 2005-07-29 Koito Mfg Co Ltd Unite d'eclairage a diode electroluminescente pour phare de vehicule
US20100067251A1 (en) * 2008-09-17 2010-03-18 Ichikoh Industries, Ltd. Vehicle lighting device
KR20110092096A (ko) * 2010-02-08 2011-08-17 에스엘 주식회사 차량용 램프
EP2966344A1 (de) * 2014-06-30 2016-01-13 Valeo Vision Optisches modul mit linse für kfz-scheinwerfer
EP3299713A1 (de) * 2016-09-27 2018-03-28 Valeo Vision Lichtemissionssystem
WO2019128353A1 (zh) * 2017-12-25 2019-07-04 华域视觉科技(上海)有限公司 车灯反射式led模组***及车灯总成

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865524A1 (fr) * 2004-01-23 2005-07-29 Koito Mfg Co Ltd Unite d'eclairage a diode electroluminescente pour phare de vehicule
US20100067251A1 (en) * 2008-09-17 2010-03-18 Ichikoh Industries, Ltd. Vehicle lighting device
KR20110092096A (ko) * 2010-02-08 2011-08-17 에스엘 주식회사 차량용 램프
EP2966344A1 (de) * 2014-06-30 2016-01-13 Valeo Vision Optisches modul mit linse für kfz-scheinwerfer
EP3299713A1 (de) * 2016-09-27 2018-03-28 Valeo Vision Lichtemissionssystem
WO2019128353A1 (zh) * 2017-12-25 2019-07-04 华域视觉科技(上海)有限公司 车灯反射式led模组***及车灯总成

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022236084A1 (en) * 2021-05-07 2022-11-10 Lumileds Llc Two-part heatsink for led module
US11708968B2 (en) 2021-05-07 2023-07-25 Lumileds Llc Two-part heatsink for LED module
FR3123710A1 (fr) * 2021-06-02 2022-12-09 Psa Automobiles Sa Bloc optique de signalisation de véhicule automobile muni d’un radiateur percé
FR3136269A1 (fr) * 2022-06-02 2023-12-08 Psa Automobiles Sa Ensemble d’éclairage pour projecteur de véhicule automobile

Also Published As

Publication number Publication date
EP3771861B1 (de) 2022-03-16
FR3099545A1 (fr) 2021-02-05
FR3099545B1 (fr) 2021-07-30

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