WO2015024815A2 - Dispositif d'éclairage pour véhicule pourvu d'un capteur de saleté - Google Patents

Dispositif d'éclairage pour véhicule pourvu d'un capteur de saleté Download PDF

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Publication number
WO2015024815A2
WO2015024815A2 PCT/EP2014/067226 EP2014067226W WO2015024815A2 WO 2015024815 A2 WO2015024815 A2 WO 2015024815A2 EP 2014067226 W EP2014067226 W EP 2014067226W WO 2015024815 A2 WO2015024815 A2 WO 2015024815A2
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
region
lighting device
cover plate
housing
Prior art date
Application number
PCT/EP2014/067226
Other languages
German (de)
English (en)
Other versions
WO2015024815A3 (fr
Inventor
Ralf-Günter MÜLLER
Original Assignee
Hella Kgaa Hueck & Co.
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 Hella Kgaa Hueck & Co. filed Critical Hella Kgaa Hueck & Co.
Publication of WO2015024815A2 publication Critical patent/WO2015024815A2/fr
Publication of WO2015024815A3 publication Critical patent/WO2015024815A3/fr

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
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0017—Devices integrating an element dedicated to another function
    • B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera

Definitions

  • the present invention relates to a lighting device for a vehicle with a housing and with a lens, from which light can be coupled out through a front region of the lens from the illumination device, which can be generated by at least one light bulb accommodated in the housing, wherein the lens forms a substantially circumferential From the contour of the front region-extending adhesive foot has over which the cover plate is accommodated on the housing and this closes the front side, and wherein a
  • Dirt sensor is provided, which is designed to detect a degree of contamination of the outer surface of the front portion of the lens.
  • DE 10 2011 000 040 A1 shows an illumination device for a vehicle with a housing and with a lens, from which light can be coupled out of the illumination device through a front region of the lens.
  • the lens is described with a front portion, which is transparent and can pass through the light for pre-illumination of the vehicle, and is transparent.
  • the front area is either partially or circumferentially surges with a Klebefuß over which the lens is added to the housing and this closes the front side.
  • the lens is glued over the adhesive foot with the housing in an adhesive joint.
  • the adhesive foot only preferably runs completely on the contour of the front area, and the adhesive foot can also be formed with interruptions or by individual areas.
  • a lighting device for a vehicle with a housing and with a lens is known, and on the inside of the lens disc dirt sensors are mounted, can be detected by the impurities on the outside of the lens.
  • the detection of impurities is based on a reflection principle of electromagnetic radiation emitted by a first sensor part, which is referred to as a radiation transmitter, and the electromagnetic radiation can be detected by a radiation receiver, which forms a second part of the dirt sensor.
  • the reflection of the radiation takes place by foreign bodies on the outside of the lens in a modified form, so that thereby a detection of the foreign body can be done on the outside of the lens.
  • the radiation emitter and the radiation receiver must be mounted on the inside of the housing of the illumination device prior to the final assembly of the lens, wherein furthermore a wiring of the dirt sensors is necessary. This results in an increased installation effort, and in particular the automated bonding of the windscreen in the housing of the lighting device is made more difficult.
  • DE 100 44 593 A1 shows a further illumination device for a vehicle with a housing and with a cover disk, and a receiver is shown at the edge of the lens, and by the receiver, a signal of a controller can be supplied with at least integral characteristics, so that the controller outputs a signal when the receiver has exceeded a predetermined limit.
  • the receiver measures the intensity of rays, which continue on the basis of a total reflection in the body of the lens to the edge of the lens.
  • the rays are formed by a deflection of light rays, which is provided by the light source in the housing of the headlamp and which pass through the lens for the normal operation of the lighting device.
  • a likewise complex arrangement of receivers results in an embodiment of a lighting device according to EP 0 952 057 A2, so that when gluing the lens through an adhesive foot on the housing of the lighting device or the receiver must be integrated consuming.
  • the object of the invention is the development of a lighting device for a vehicle with a dirt sensor for detecting a degree of contamination of the outer surface of the front portion of the lens, which can be easily arranged on the lighting device.
  • the lens should be glued to the housing of the lighting device with an adhesive foot.
  • the invention includes the technical teaching that the adhesive foot is formed with a recess deviating locally from an edge contour of the front region, within which the dirt sensor is arranged in the front region on the rear lens.
  • the front region of the lens can have a continuous contour, which also has the front region when the adhesive foot has no deviating from the edge contour of the front region recess.
  • the housing can have the same deviating recess from the edge contour of the front region, so that the adhesive joint is also carried out in the region of the recess. can be formed. Through the recess, however, a free area of the front region of the lens, in which the dirt sensor can be applied from the outside of the lens, even if the lens is already arranged on the housing of the lighting device and in particular glued.
  • the cover plate on the housing of the illumination device can be completely assembled and in particular glued, and only then can the dirt sensor be arranged inside the recess in the front region on the rear side of the cover plate from the outside.
  • the dirt sensor can work in the same way as a dirt sensor, which is arranged inside the housing on the inside of the lens.
  • the recess forms a free to the outside of the illumination device receiving space for receiving the dirt sensor.
  • the recess is designed such that the dirt sensor can be arranged from the outside of the illumination device on the rear side of the cover disk.
  • the dirt sensor may have a sensor surface with which it is attached to the lens, for example by an adhesive bond.
  • Dirt sensor extends into the receiving space, which can be dimensioned such that the dirt sensor can be integrated without collision in the receiving space.
  • the adhesive foot may partially surround a sensor area in the area of the recess, the sensor area forming part of the front area of the cover pane.
  • the part of the front area is surrounded by the recess, whereby the front area can change into the sensor area without changing its curvature from the large end area through which the light from the illumination device passes.
  • the adhesive foot in the region of the recess can not extend as an angle foot but rather as a kind of branch on the rear side of the cover disk, and the course of the cover disk remains unchanged by the recess according to the invention in the edge contour of the front area.
  • the dirt sensor can be cast, for example, after arrangement on the back of the lens inside the recess, in order to avoid weathering on the dirt sensor substantially.
  • the light provided by the at least one light source in the housing of the illumination device and appearing through the lens from the illumination device for pre-illumination passes through the lens in a light passage area, the sensor area in which the dirt sensor is located adjacent to the light passage area can be arranged. This ensures that only dirt is detected by the dirt sensor, which are also in the range of light through the lens.
  • the geometric configuration of the Licht thoroughly Stammsberei- Ches and the sensor area can be carried out adjacent to each other so that only the adhesive bed for connecting the cover plate with the housing separates the light passage area from the sensor area.
  • the dirt sensor may have an electrical connection line, which is arranged at least in sections outside the housing of the illumination device.
  • the sensor region can be arranged in the lower region of the front side of the illumination device, and the electrical connection line can consequently be laid on the lower outer side of the illumination device on the housing.
  • the sensor area in which the dirt sensor is arranged can be designed to be at least partially non-transparent and / or colored. It can be provided that the sensor area from the outside of the lighting device is perceptible, but the actual arrangement of the dirt sensor can by an untransparent or colored formation of the sensor area are made unrecognizable from the outside of the illumination device. However, the area of the active sensor surface of the dirt sensor remains transparent or uncoloured in order not to impair the actual sensor function.
  • the present invention further relates to an arrangement of a dirt sensor on or in a lighting device for a vehicle, wherein the illumination device is formed with a housing and with a lens, from which light can be coupled out through a front region of the lens from the illumination device, wherein the lens is a in the Substantially encircling out of the contour of the front portion of the adhesive base Abrownden over which the cover plate is received on the housing and this closes the front side, and wherein the dirt sensor is designed to detect a degree of contamination of the outer surface of the front portion of the lens.
  • the adhesive foot is formed with a recess which deviates locally from an edge contour of the front region, within which the dirt sensor is arranged in the front region on the rear side of the lens.
  • FIG. 1 is a schematic view of a lighting device in a cross section, wherein the lighting device is exemplified as a headlight of a vehicle,
  • Fig. 2 is a first detail view of a recess according to the invention in the adhesive foot of a lens and Fig. 3 is a perspective view of the recess in the cover plate according to the present invention.
  • FIG. 1 shows a cross-sectional view of a schematically illustrated illumination device 1 for a vehicle, and the illumination device 1 exemplarily forms a headlight for a vehicle.
  • the lighting device 1 has a housing 10, which is closed on the front side, ie in the light propagation direction, with a cover disk 1 made of a transparent plastic. Through the lens 11, light 12, which is emitted by light source 14 in the housing 10 of the illumination device 1, pass.
  • two light sources 14 are arranged in the housing 10, which can be formed by semiconductor lighting means.
  • the upper illuminant 14 can be used to provide a high beam 12
  • the lower illuminant 14 can serve to provide a low beam 12, the propagation of the light 12 being shown only schematically.
  • the lens 11 has a front portion 13 which forms a continuous Strackverlauf, which is for example adapted to the installation contour in the vehicle front.
  • the lens 11 has in the region of the circumferential contour of the front region 13 an ironing foot 15 which extends, for example in the lower region, approximately at right angles out of the course of the front region 13.
  • This adhesive foot 15 protrudes into an adhesive bed 22, which is formed on the front side on the opening contour of the housing 10.
  • the adhesive bed 22 may be filled with an adhesive, in which the end portion of the adhesive foot 15 is immersed, to finally form an adhesive bond between the cover plate 11 and the housing 10, which is formed completely circumferentially.
  • the lighting device 1 furthermore has a dirt sensor 16, which is designed to detect the degree of soiling of the outer surface 17 of the front region 13 of the lens 11.
  • a dirt sensor 16 which is designed to detect the degree of soiling of the outer surface 17 of the front region 13 of the lens 11.
  • the outer surface 17 may become contaminated by contaminants from the outer side 19, so that it may be necessary to remove the outer surface.
  • the dirt sensor 16 is located in an arrangement rear side in the front region 13 of the cover plate 11, and the dirt sensor 16 may be formed, for example, as an infrared sensor.
  • the adhesive foot 15 has a recess 18 which deviates locally from the edge contour of the front region 13 and which is shown by way of example in the illustrated cross section on the lower side of the illumination device 1.
  • the recess 18 causes the adhesive foot 15 forms a local limited distance from the edge contour of the front portion 13, which is clear by comparing the cross section of the adhesive foot 15 on the upper side with a cross section of the adhesive foot 15 on the lower side.
  • the formed recess 18 creates an accessible from the outside 19 of the lighting device 1 rear area of the front area 13, in which the dirt sensor 16 can be arranged at the back. Visible here is the arrangement of the dirt sensor 16 adjacent to the light passage region 23, passes through the example, the light 12 of the bulb 14, which forms a low beam.
  • the recess 18 in the adhesive foot 15 of the lens 11 is shown in more detail.
  • FIGS. 2 and 3 show in a side view (FIG. 2) and in a perspective view (FIG. 3) the construction of the adhesive foot 15 according to the invention with a recess 18 locally deviating from an edge contour of the front region 13. Within the recess 18, a sensor region 21 is created. in which the
  • Dirt sensor 16 is arranged.
  • the dirt sensor 16 is mounted on the back of the front portion 13 of the lens 11, and can detect the degree of contamination on the front of the sensor portion 21 in a known manner by the emission of, for example, infrared light.
  • FIG. 2 shows the arrangement of the dirt sensor 16 on the back of the front portion 13, wherein the front portion 13 remains unchanged despite the recess 18 in the adhesive foot 15 in Strackverlauf. From the dirt sensor 16 are led out electrical connection lines 24, which can be laid, for example, on the outside of the housing 10 of the lighting device 1.
  • FIG. 3 shows the configuration of the sensor region 21 adjacent to the light passage region 23, as already shown in FIG. 1, and the low-beam light 12 produced by the light-emitting means 14 passes through the light passage region 23 by way of example. If the outside of the front area 13 in the illustrated sensor area 21 is contaminated, and if the dirt is being scanned by the dirt sensor 16, the adjoining arrangement of the sensor area 21 at the light passage area 23 can also be used to predict how strongly the light passage area 23 is contaminated , If a corresponding degree of contamination is detected in the sensor region 21, the headlight cleaning system can be activated by a control unit in order to clean off the contaminants from the front region 13 of the cover disk 11.
  • FIG. 3 makes clear that the receiving space 20, which is formed by the recess 18 in the adhesive foot 15, is accessible from the outside of the lighting device 1.
  • the dirt sensor 16 can still be arranged on the illumination device 21 even if the cover disk 11 is already glued to the housing 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne un dispositif d'éclairage (1) pour un véhicule pourvu d'un boîtier (10) et d'une lentille (11) de laquelle une lumière (12) peut être extraite du dispositif d'éclairage (1) à travers une zone frontale (13) de la lentille (11), ladite lumière pouvant être produite par au moins un moyen d'éclairage (14) logé dans le boîtier (10). La lentille (11) présente un pied adhésif (15) s'étirant sensiblement de manière périphérique à partir du contour de la zone frontale (13), par l'intermédiaire duquel la lentille (11) est réceptionnée sur le logement (10) et ferme ce dernier par l'avant, et un capteur de saleté (16) est réalisé pour détecter un degré de salissure de la surface extérieure (17) de la zone frontale (13) de la lentille (11). L'invention vise à proposer un montage avantageux du capteur de saleté (16). A cet effet, le pied adhésif (15) est pourvu d'un évidement (18) différent par endroits d'un contour marginal de la zone frontale (13) et à l'intérieur duquel le capteur de saleté (16) est disposé dans la zone frontale (13), par sa face arrière, sur la lentille (11).
PCT/EP2014/067226 2013-08-19 2014-08-12 Dispositif d'éclairage pour véhicule pourvu d'un capteur de saleté WO2015024815A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013108911.9 2013-08-19
DE102013108911.9A DE102013108911B4 (de) 2013-08-19 2013-08-19 Beleuchtungseinrichtung für ein Fahrzeug mit einem Schmutzsensor

Publications (2)

Publication Number Publication Date
WO2015024815A2 true WO2015024815A2 (fr) 2015-02-26
WO2015024815A3 WO2015024815A3 (fr) 2015-04-16

Family

ID=51302723

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/067226 WO2015024815A2 (fr) 2013-08-19 2014-08-12 Dispositif d'éclairage pour véhicule pourvu d'un capteur de saleté

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DE (1) DE102013108911B4 (fr)
WO (1) WO2015024815A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3095173B1 (fr) * 2019-04-17 2023-03-10 Psa Automobiles Sa Module d’éclairage et dispositif d’éclairage et/ou de signalisation de véhicule automobile comportant un tel module.
DE102020115638A1 (de) 2020-06-12 2021-12-16 Motherson Innovations Company Limited Optische Vorrichtung für ein Fahrzeug

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818019C2 (de) * 1978-04-25 1980-07-17 Bayerische Motoren Werke Ag, 8000 Muenchen Fahrzeug-Scheinwerfer mit einem Verschmutzungs-Sensor
DE3619208A1 (de) 1986-06-07 1987-12-10 Bosch Gmbh Robert Vorrichtung zum optischen erfassen von fremdkoerpern
DE3923281A1 (de) * 1989-07-14 1991-01-24 Bosch Gmbh Robert Schmutzsensor fuer kraftfahrzeug-scheiben
DE19539422C2 (de) * 1995-10-24 1998-07-09 Docter Optics Gmbh Vorrichtung zur optischen Überprüfung der Lichtdurchlässigkeit der lichtdurchlässigen Scheibe an Scheinwerfern von Kraftfahrzeugen
DE19818643A1 (de) 1998-04-25 1999-10-28 Reitter & Schefenacker Gmbh Leuchte, insbesondere Heckleuchte, für Kraftfahrzeuge
DE19921142A1 (de) * 1999-05-07 1999-09-23 Audi Ag Leuchte für ein Fahrzeug
DE10000291A1 (de) * 2000-01-07 2001-07-12 Hella Kg Hueck & Co Scheinwerfer, insbesondere Kraftfahrzeug-Scheinwerfer
DE10044593A1 (de) 2000-08-12 2002-02-21 Porsche Ag Vorrichtung zur optischen Erfassung der Verschmutzung einer Abdeckscheibe einer Leuchte
DE102011000040A1 (de) 2011-01-05 2012-07-05 Hella Kgaa Hueck & Co. Leuchteinheit für ein Kraftfahrzeug
DE102011008556A1 (de) * 2011-01-14 2012-07-19 Daimler Ag Beleuchtungsvorrichtung für ein Fahrzeug und Verfahren zur Überwachung einer Beleuchtungsvorrichtung
JP5977575B2 (ja) 2011-09-02 2016-08-24 株式会社小糸製作所 車両用ランプ

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Publication number Publication date
DE102013108911A1 (de) 2015-02-19
DE102013108911B4 (de) 2022-12-08
WO2015024815A3 (fr) 2015-04-16

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