EP2651695A1 - Dispositif d'éclairage intérieur dans un véhicule automobile - Google Patents

Dispositif d'éclairage intérieur dans un véhicule automobile

Info

Publication number
EP2651695A1
EP2651695A1 EP11802862.0A EP11802862A EP2651695A1 EP 2651695 A1 EP2651695 A1 EP 2651695A1 EP 11802862 A EP11802862 A EP 11802862A EP 2651695 A1 EP2651695 A1 EP 2651695A1
Authority
EP
European Patent Office
Prior art keywords
reflection
board
light
support structure
region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11802862.0A
Other languages
German (de)
English (en)
Inventor
Wolfgang Müller
Jens Kirch
Oliver Thuma
Yasar Eroglu
Jacky Dolisy
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.)
Johnson Controls Interiors GmbH and Co KG
Original Assignee
Johnson Controls Interiors GmbH and Co KG
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 Johnson Controls Interiors GmbH and Co KG filed Critical Johnson Controls Interiors GmbH and Co KG
Publication of EP2651695A1 publication Critical patent/EP2651695A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/50—Mounting arrangements
    • B60Q3/51—Mounting arrangements for mounting lighting devices onto vehicle interior, e.g. onto ceiling or floor
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/252—Sun visors
    • 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

Definitions

  • the invention relates to a device for interior lighting in a motor vehicle according to the preamble of claim 1.
  • Such devices for interior lighting in a motor vehicle are well known.
  • the document DE 102007057983 A1 discloses interior lighting in a motor vehicle, the device comprising a group of light emitting diodes (LED).
  • LED light emitting diodes
  • a disadvantage of the conventional devices for interior lighting is that the production is relatively expensive and therefore expensive.
  • the group of LEDs from DE 10 2007 057 983 A1 is encapsulated in a light-scattering material, which disadvantageously requires additional production steps.
  • conventional indoor lighting devices disadvantageously do not offer the opportunity to use both LED and incandescent lights.
  • a device for interior lighting in a motor vehicle which comprises a lighting means, a reflection means and a power distribution means, wherein the lighting means, the reflection means and the power distribution means are arranged on a common support structure.
  • the device according to the invention for interior lighting has the advantage over the prior art that the production is comparatively simple and therefore cost-effective, whereby the device can be assembled from only one direction, and that both LED and incandescent lamps can be used using comparatively many identical parts , This is achieved in that the components are arranged on a common support structure. In this way, the device can be manufactured in its own manufacturing process and then mounted as a whole on a motor vehicle component, such as a sun visor. In particular, it is conceivable that the device can be mounted on different types and designs of sun visors, so that despite different designs of the sun visors always the same lighting device can be used universally. Further, with the same structure and the same components, different light sources, i. different types of LED's or incandescent lights to use. The manufacturing costs can be significantly reduced thereby.
  • the lighting means comprises a light emitting diode (LED) and / or a glow lamp.
  • LED light emitting diode
  • the light-emitting diode is mounted on a circuit board.
  • the term includes
  • the light emitting diode is designed to emit light along a direction perpendicular to the board.
  • LEDs are more common in the market and thus cheaper.
  • alternatives - - It is also possible to use a light emitting diode which emits light parallel to the board.
  • the support structure has at least one fastening and positioning pin, which protrudes in particular perpendicularly from a plate-shaped base region of the support structure, the circuit board being fastened to the at least one fastening and positioning pin and extending substantially parallel to the base region ,
  • the support structure has a plurality of such attachment and
  • the mounting and positioning pins preferably keep the board spaced apart from the support structure, so that the light-emitting diode or the glow lamp can be mounted on a side of the board facing the support structure. This has the advantage that the board simultaneously acts as a diaphragm for the light emitted by the light-emitting diode or the glow light, so that, in particular, no stray light reaches the region of a mirror arranged behind the board or its holding frame.
  • the mounting and positioning pins are in particular integrally formed with the support structure, welded, clipped and / or glued.
  • the luminous means is arranged on the circuit board, wherein the circuit board preferably has a heat dissipation means, wherein the heat dissipation means particularly preferably comprises a copper material.
  • the board comprises a single-layer or multi-layer printed circuit board (PCA).
  • PCA printed circuit board
  • the printed circuit board is provided on both sides with a correspondingly shaped copper layer.
  • the lighting means is configured to generate light with a main propagation direction.
  • This main propagation direction is preferably aligned perpendicular to the base region. - -
  • the reflection means to comprise a reflection slope which extends from the base region in an oblique manner in the direction of the circuit board such that the reflection slope is inclined relative to the base region and / or the circuit board.
  • the light-emitting diode is arranged on the circuit board such that light emitted by the light-emitting diode strikes the reflection slope and is directed by the reflection slope along a direction parallel to the base region in the direction of the reflection region.
  • the reflection slope is in particular formed integrally with the support structure.
  • the angle between the reflection slope and the base region is between 15 and 75, preferably between 30 and 60 and particularly preferably between 40 and 50 degrees.
  • the board is preferably on the reflection slope.
  • the support structure comprises a reflection region, wherein the reflection region is configured to deflect light rays incident on the reflection region parallel to the base region in a direction perpendicular to the base region.
  • the light guided by the reflection slope onto the reflection region is thus redirected again, so that the light can be directed, for example, to the rear side of a diffuser.
  • the light emitted by the light-emitting diode is thus first guided around the circuit board, in particular, and then directed into a useful region, in particular in the direction of the vehicle interior.
  • a light-emitting diode is used, which emits light parallel to the board directly in the direction of the reflection area. In this embodiment, a reflection slope is not realized.
  • the current distribution means is designed as a metal stamped grid.
  • the current distribution means is electrically conductively connected to the circuit board via at least one plug-in contact extending parallel to the at least one fastening and positioning pin.
  • a plug contact via the plug contact a comparatively simple, flexible and inexpensive to be realized electrical - -
  • an assembly of the device is thus made possible from only one mounting direction.
  • the assembled with the LED board is so arranged on the mounting and positioning pins that the mounting and positioning pins engage in holes in the board, at the same time engage the attached to the board plug contacts in the metal stamping grid.
  • the mounting direction is thus aligned perpendicular to the base region (also referred to as Z-mounting).
  • the device according to the invention is thus comparatively simple, quick and inexpensive to produce.
  • the metal stamped grid preferably also serves to dissipate heat from the board via the heat-conducting plug contacts. It is also conceivable that this is a separate spring contact between the metal stamped grid and the board is provided.
  • the board has a central axis, wherein the board is constructed symmetrically to the central axis.
  • the board has connecting means, preferably bores, for connection to the support structure.
  • the support structure receiving means preferably at least one pin, for receiving the connecting means of the board.
  • the board has a main extension plane, wherein the board is arranged with the main extension plane parallel to a mirror.
  • the reflection means is configured to deflect the main propagation direction of the light, wherein the deflection is preferably greater than 45 °, more preferably greater than 80 °, particularly preferably greater than 170 °.
  • Another object of the present invention is a sun visor comprising the device according to the invention and a mirror, wherein the device is arranged on a rear side of the mirror.
  • the light-emitting means is preferably arranged between the mirror and the support structure, wherein the light-emitting diode is particularly preferably arranged on a side of the circuit board facing away from the mirror.
  • the light emitting diode is shielded from the mirror by the board, so that no disturbing scattered light in - - reaches the area of the mirror and thus can not get in unsightly manner through openings between a holding the mirror holding frame and mirror edges.
  • the reflection means in the form of the reflection slope between the lighting means and the support structure is arranged, so that the light of the light-emitting diode is directed in the direction of the reflection region.
  • the sun visor is designed such that light emitted by the light source is radiated mainly in a direction away from the mirror in the direction of the reflection means, is directed by the reflection means in a direction substantially parallel to the base region in the direction of the reflection region and is deflected by the reflection region in a direction substantially perpendicular to the base region in the direction of a lens of the sun visor.
  • the diffuser is arranged in particular adjacent to the mirror.
  • Figure 1 is a schematic view of an apparatus according to an exemplary first embodiment of the present invention.
  • Figures 2 and 3 a schematic plan view of a device according to an exemplary second embodiment of the present invention.
  • FIG. 1 shows a schematic view of a device 40 according to an exemplary first embodiment of the present invention. It is one - -
  • Support structure 1 and a reflector base body 1 of the device 40 is shown, which is formed so that the support structure 1 and the reflector base 1 per side a reflection slope 1 1, a reflection region 12 and fastening and positioning pins 13 for a board (PCBA) 3 includes.
  • the support structure 1 or the reflector base body 1 forms a support for a metal stamped grid 14, which serves for the distribution of current.
  • the fastening and positioning pin 13 preferably has a bearing surface for supporting the printed circuit board 3.
  • the device 40 is mounted as part of a sun visor 50 to the back of a mirror support 2 of the sun visor 50.
  • the sun visor 50 is intended for use in a motor vehicle.
  • the mirror support 2 forms a frame, which carries a diffuser 21 as well as a central mirror 22 on each side.
  • the lens 21 is intended to provide light for interior lighting, i. also for the indirect illumination of the mirror 22, diffused into the interior of the motor vehicle.
  • the board or PCBA 3 is arranged below the mirror 22, the board or PCBA 3 is arranged.
  • This includes at least one LED 32 and at least two plug contacts 33.
  • the board 3 and the LED 32 form the light source 41.
  • a glow light can be connected to the board 3.
  • the LED 32 for emitting light is formed mainly along a direction perpendicular to the board 3 and to a plate-shaped base portion 44 of the support structure 1 direction of the LED 32 in the direction of the base portion 44. Such LEDs 32 are more frequently represented and thus cheaper.
  • the LED 32 illuminates a reflection means 42 in the form of the reflection slope 11.
  • the light incident on the reflection slope 11 is reflected by the reflection slope 11 in the direction of the reflection region 12 of the support structure 1 or of the reflector base body 1.
  • the light is deflected by the reflection slope 11 from the direction of propagation extending substantially perpendicularly to the base region 44 into a propagation direction extending essentially parallel to the base region 44.
  • the reflection region 12 the light is deflected in the direction of the lens 21. Due to this type of light scattering An improved homogeneity of the light on the diffusing screen 21 is achieved.
  • the device 40 is thus designed such that light emitted by the LED 32 is radiated mainly in a direction away from the mirror 22 in the direction of the reflection means 42, directed by the reflection means 42 in a direction substantially parallel to the base region 44 in the direction of the reflection region 12 is directed by the reflection region 12 in a direction substantially perpendicular to the base region 44 in the direction of a lens 21.
  • the light of the LED 32 is thus partially deflected around the mirror 22 and the mirror 22 shielded by the board 3 against stray light.
  • the board 3 is designed as a double-sided conductor surface, which is at least partially coated on its two sides with a copper material.
  • the other side advantageously allows a comparatively good heat dissipation.
  • the circuit board 3 is preferably designed symmetrically.
  • both conductor surfaces (of copper material) it is advantageously possible for both conductor surfaces (of copper material) to be suitable for carrying the LED 32 and other necessary components, such as electrical and / or electronic components.
  • LEDs 32 of different manufacturers and types can be applied to the circuit board 3. More preferably, each conductor surface of the board 3 at least three different positions at which an LED 32 can be positioned.
  • the board 3 at least three holes 101.
  • the board 3 has four holes 101. Through these holes 101 engages the at least one mounting and positioning pin 13.
  • the board 3 is located on the reflection slope 1 1.
  • the LED 32 lights in the direction of the reflection slope 11, so that advantageously no stray light between the mirror 22 and the mirror frame 2 can emerge.
  • the device 40 can be mounted from only one single direction (eg Z-mounting), whereby preferably the device can be mounted from "above”, ie from the direction of the vertical to the main extension plane of the device 40 LED 32 equipped board 3 arranged on the mounting and positioning pins 13 so that the mounting and positioning pins 13 engage in the holes 101 of the board 3 and the board 3 rests on bearing surfaces of the mounting and positioning pins 13. At the same time engages the on the board 3 fastened plug contacts 33 in openings in the metal stamped grid 14, so that an electrical contact between the board 3 and the metal stamping grid 14 is made .. About this electrical contact, the LED 32 is supplied with power.
  • the LED 32 is supplied with power.
  • FIG. 2 schematically shows a plan view of a device 40 according to an exemplary second embodiment of the device according to the invention.
  • the second embodiment is substantially similar to the first embodiment illustrated in FIG. 1, wherein two diffusing disks 21, 21 'are shown in FIG. Between the lenses 21, 21 ', the mirror 22 is arranged.
  • the device 40 in turn has the support structure 1 or the reflection base body 1.
  • the support structure 1 forms the support for the mirror frame 2, the mirror 22 and the lenses 21, 21 '.
  • the circuit board 3, 3 ', the reflecting means 42 and the current distribution means 43 are not visible for reasons of perspective.
  • FIG. 3 schematically shows the embodiment from FIG. 2 without the mirror frame 2, the mirror 22 and the lens 21.
  • the device 40 has the support structure 1 with at least one fastening and positioning pin 13.
  • the support structure 1 carries the stocked with LEDs 32 boards 3, 3 ', a switch
  • the sinkers 3, 3 'each have at least one bore
  • the LEDs 32 are arranged on the underside of the boards 3, 3 'and therefore can not be seen in FIG. 3 for reasons of perspective. The same applies to the reflection means 42, which are hidden in Figure 3 by the boards 3, 3 '. , _

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne un dispositif (40) d'éclairage intérieur dans un véhicule automobile, le dispositif (40) présentant un moyen d'éclairage (41), un moyen de réflexion (42) et un moyen de distribution de courant (43), et le moyen d'éclairage (41), le moyen de réflexion (42) et le moyen de distribution de courant (43) étant agencés sur une structure de support commune (1).
EP11802862.0A 2010-12-16 2011-12-16 Dispositif d'éclairage intérieur dans un véhicule automobile Withdrawn EP2651695A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010054817 2010-12-16
PCT/EP2011/006381 WO2012079770A1 (fr) 2010-12-16 2011-12-16 Dispositif d'éclairage intérieur dans un véhicule automobile

Publications (1)

Publication Number Publication Date
EP2651695A1 true EP2651695A1 (fr) 2013-10-23

Family

ID=45440479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11802862.0A Withdrawn EP2651695A1 (fr) 2010-12-16 2011-12-16 Dispositif d'éclairage intérieur dans un véhicule automobile

Country Status (6)

Country Link
US (1) US20140085918A1 (fr)
EP (1) EP2651695A1 (fr)
JP (1) JP5716098B2 (fr)
KR (1) KR20130103603A (fr)
CN (1) CN103347738A (fr)
WO (1) WO2012079770A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012023654A1 (de) * 2012-11-28 2014-05-28 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Lichtadaptereinrichtung, LED-Modul, LED-Einrichtung, Zubehöreinheit, Kraft-fahrzeug und Verfahren hierzu
KR101371762B1 (ko) * 2012-12-26 2014-03-07 기아자동차(주) 전자식 파킹 브레이크용 스위치의 조명장치
WO2017047811A1 (fr) 2015-09-17 2017-03-23 古河電気工業株式会社 Dispositif d'éclairage à del et procédé d'extraction de lumière d'un dispositif d'éclairage à del
KR102513487B1 (ko) * 2016-08-10 2023-03-23 삼성전자주식회사 조리기기
DE102016123405A1 (de) * 2016-12-05 2018-06-07 Valeo Schalter Und Sensoren Gmbh Innenraumbeleuchtung für ein Kraftfahrzeug mit einem an einer Leiterplatte angebrachten Reflektorelement
JP2021014130A (ja) * 2017-10-20 2021-02-12 古河As株式会社 Ｌｅｄ照明装置
JP2024111469A (ja) * 2023-02-06 2024-08-19 豊田合成株式会社 発光エンブレム

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Also Published As

Publication number Publication date
WO2012079770A1 (fr) 2012-06-21
US20140085918A1 (en) 2014-03-27
JP2013545662A (ja) 2013-12-26
KR20130103603A (ko) 2013-09-23
CN103347738A (zh) 2013-10-09
JP5716098B2 (ja) 2015-05-13

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