EP3745019A1 - Dispositif d'éclairage de véhicule automobile, procédé de fonctionnement d'un dispositif d'éclairage de véhicule automobile et unité de commande - Google Patents

Dispositif d'éclairage de véhicule automobile, procédé de fonctionnement d'un dispositif d'éclairage de véhicule automobile et unité de commande Download PDF

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Publication number
EP3745019A1
EP3745019A1 EP20173635.2A EP20173635A EP3745019A1 EP 3745019 A1 EP3745019 A1 EP 3745019A1 EP 20173635 A EP20173635 A EP 20173635A EP 3745019 A1 EP3745019 A1 EP 3745019A1
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EP
European Patent Office
Prior art keywords
light distribution
light
infrared light
infrared
unit
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.)
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Application number
EP20173635.2A
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German (de)
English (en)
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EP3745019B1 (fr
Inventor
Henry Foster
Henning Vogt
Uwe BREITENBACH
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.)
Marelli Automotive Lighting Reutlingen Germany GmbH
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Marelli Automotive Lighting Reutlingen Germany GmbH
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Publication of EP3745019A1 publication Critical patent/EP3745019A1/fr
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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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/60—Heating of lighting devices, e.g. for demisting
    • 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
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/13—Ultraviolet light; Infrared light

Definitions

  • the invention relates to a motor vehicle lighting device, a method for operating a motor vehicle lighting device and a control unit.
  • the problem on which the invention is based is achieved by a motor vehicle lighting device according to claim 1, a method for operating a motor vehicle lighting device according to an independent claim and a control unit according to an independent claim.
  • a first aspect of this description relates to a motor vehicle lighting device which comprises: a housing, the light passage opening of which is closed by a section that is transparent to light; at least one illuminant which is designed to generate an emitted light distribution which is emitted by the motor vehicle lighting device by means of the transparent section; a first infrared light unit which is aligned in such a way that infrared light emitted by the first infrared light unit strikes the transparent section, and which is set up to generate a first test light distribution; a second infrared light unit which is aligned in such a way that a second test light distribution, which includes infrared light incident from the direction of the transparent section, hits the second infrared light unit, and which is set up to send at least one sensor signal depending on the incident second test light distribution to determine; and a control unit, which is set up to detect a deposit present on the transparent section as a function of the sensor signal.
  • the automatic detection that there is insufficient light transmission through the existing covering on the transparent component enables an automatic removal of the covering without involving the driver.
  • the provided motor vehicle lighting device advantageously enables automatic decondensation of cover panes or front lenses and, optionally, automatic removal of snow or ice on the cover pane or front lens as a function of the determined sensor signal.
  • An advantageous example is characterized in that the first infrared light unit is set up to generate a heating light distribution and that the control unit is set up to operate the first infrared light unit to generate the heating light distribution as a function of the at least one sensor signal.
  • the same first infrared light unit, which is used to test the presence of the covering, is advantageously used to irradiate the transparent section with infrared light, thereby heating it and thereby removing the covering. This results in advantageous a saving of components.
  • the optically effective coating for example water droplets generated by condensation on the inside of the transparent component or snow and ice on the outer surface of the transparent section, is removed.
  • infrared transmitter diodes which have a wavelength range that is well absorbed by water in the two states of aggregation, liquid and solid, is advantageous. This causes water droplets, snow and ice to melt and evaporate.
  • the translucent assemblies affected such as the cover pane and front lens, are heated so that renewed condensation or snow or ice deposition is prevented.
  • An advantageous example is characterized in that the second infrared light unit is set up to generate a further heating light distribution, and the control unit is set up to operate the second infrared light unit to generate the further heating light distribution as a function of the sensor signal.
  • the second infrared light unit can advantageously be used to To emit infrared light toward the transparent portion.
  • control unit is set up to operate the first infrared unit or the first and second infrared units in a heating mode when the at least one sensor signal is generated by means of the heating light distribution and / or the further heating light distribution removable covering of the transparent section indexed.
  • heating mode comprises generating the heating light distribution and / or the further heating light distribution by means of the first and / or second infrared light unit.
  • control unit is set up to operate the first infrared unit and the second infrared unit in a test mode if the at least one sensor signal does not have a covering of the transparent that can be removed by means of the heating light distribution or the further heating light distribution Section indexed.
  • the test mode advantageously ensures that the function of removing the deposit is provided without the need for permanent heating of the transparent section. Rather, it is through the test mode ensures that unnecessary energy is not used to remove the covering. This makes a contribution to reducing energy consumption.
  • control unit is set up to operate the second infrared light unit in the test mode at preferably regular time intervals to generate the first test light distribution, while the first test light distribution is being generated to check whether there is an intensity using the sensor signal of the second test light distribution exceeds a threshold value, and to switch to heating mode when the intensity of the second test light distribution exceeds the threshold value.
  • An advantageous example is characterized in that a maximum light intensity of the first test light distribution is less than a light intensity of the heated light distribution.
  • the check with regard to a covering of the transparent section is advantageously carried out in an energy-efficient manner.
  • control unit is set up to count the number of successive activations of the heating mode and to increase the radiation duration of the heating light distribution when a predetermined number of activations of the heating mode is exceeded.
  • the cleaning of the transparent section is advantageously accelerated, since check cycles in the sense of the check mode are eliminated or reduced.
  • An advantageous example is characterized in that a first main direction of emission of the emitted light distribution and a second main direction of emission of a light distribution generated depending on the heating light distribution and emitted by the transparent section form an angle in a range of at least 45 ° in a horizontal plane and / or of at least 20 ° upwards in a vertical and / or downwards of at least 45 ° in the vertical.
  • the infrared light is radiated to the side or upwards or downwards from the motor vehicle lighting device so as not to disturb other vehicle functions which are also based on the sensing of infrared light.
  • An example of such a function is a night assistant system, which uses an infrared camera to provide a larger Provides visibility for the driver.
  • control unit is set up in such a way that the test mode is activated when a driver's request for activation is determined.
  • the driver can advantageously initiate the activation of the cleaning of the transparent component.
  • control unit is set up in such a way that the test mode is activated when the motor vehicle starts to travel.
  • the covering is only checked for presence when the motor vehicle is in operation and, if necessary, removed.
  • the first infrared light unit comprises at least one infrared light source, the infrared light generated by the at least one infrared light source passing through a first polarization filter
  • the second infrared light unit at least a second and a third polarization filter comprises, the light passing through the second and third polarization filters in each case striking a respective infrared sensor, the infrared sensors generating a respective sensor signal provide, and the polarization directions of the second and third polarization filters differ from one another, in particular by 90 °, in particular by at least 20 °, in particular by at least 45 °.
  • An advantageous example is characterized in that a polarization direction of the first polarization filter coincides with the polarization direction of one of the second and third polarization filters.
  • control unit is designed to compare the sensor signals with one another in the test mode, to determine a type of coating on the transparent component in the test mode as a function of the comparison, and the light intensity of the heating light distribution as a function of the heating mode to choose the type of covering.
  • the covering is advantageously removed in an energy-efficient manner and an unnecessary increase in the temperature of the motor vehicle lighting device is prevented.
  • control unit is designed to select a large light intensity value for the heating light distribution if the comparison indicates a large difference in the intensity values represented by the sensor signals, and to select a comparatively small light intensity value for the heating light distribution if the comparison indicates a comparatively small difference in the intensity values represented by the sensor signals.
  • One advantageous example is characterized in that the motor vehicle lighting device is a motor vehicle headlight.
  • a second aspect of this description relates to a method for operating a motor vehicle lighting device, the method comprises: generating an emitted light distribution which is emitted by the motor vehicle lighting device by means of a transparent section which closes a light passage opening of a housing; Generating a first test light distribution by means of a first infrared light unit, infrared light emitted by the first infrared light unit striking the transparent section; Determining a sensor signal as a function of a second test light distribution impinging on a second infrared light unit, the second infrared light unit being aligned such that the second test light distribution, which comprises infrared light incident from the direction of the transparent section, strikes the second infrared light unit; and detecting a deposit present on the transparent section as a function of the sensor signal.
  • An advantageous example is characterized in that the method comprises: generating a heating light distribution by means of the first infrared light unit as a function of the at least one sensor signal.
  • One advantageous example is characterized in that the method is designed to operate a motor vehicle lighting device according to the first aspect.
  • a third aspect relates to a control unit for a Motor vehicle lighting device, wherein the control unit is designed to carry out the method according to the first aspect.
  • FIG. 1 shows a motor vehicle lighting device 100 in schematic form.
  • the lighting device 100 comprises a housing 102, the light passage opening 104 of which is closed by a section 106 that is transparent to light.
  • the distally arranged, transparent section 106 separates an interior space from an exterior space of the lighting device 100.
  • the transparent section 106 is, for example, a cover plate without optically effective elements.
  • the transparent section can, however, also be an imaging optics which instead of a cover plate the housing 102 closes off distally or closes the light passage opening 104.
  • At least one illuminant 108 is used to generate an emitted light distribution 110, which is emitted from the motor vehicle lighting device 100 by means of the transparent section 106.
  • the lighting means 108 is, for example, part of a light module which is fixedly or rotatably attached to the housing 102. If the lighting device 100 is, for example, a headlight, the light-dark boundary of a low beam distribution can be set or a cornering light function can be implemented by means of rotatably mounted light modules.
  • the light generated by the lighting means 108 strikes the transparent section 108 directly or indirectly in order to couple the light out of the lighting device 100 and to emit it as the emitted light distribution 110 in or against the direction of travel of the motor vehicle.
  • a first infrared light unit 112 comprises, for example, at least one infrared light source and is aligned such that infrared light emitted by the first infrared light unit 112 hits the transparent section 106.
  • the infrared light unit 112 is set up to generate at least one first test light distribution 130.
  • a second infrared light unit 114 is aligned in such a way that a second test light distribution 150, which comprises infrared light incident from the direction of the transparent section 106, strikes the second infrared light unit 114.
  • the infrared light incident on the second infrared light unit 114 originates, for example, from a covering that is located on an inside and / or on an outside of the transparent section 106.
  • the material of the transparent section 106 can also reflect part of the first test light distribution and thus form at least part of the second test light distribution 150.
  • the second infrared light unit 114 is designed to determine at least one sensor signal 122 as a function of the incident second test light distribution 150.
  • the sensor signal 122 indicates the incident radiation intensity of the second test light distribution.
  • a control unit 120 is set up to detect a deposit present on the transparent section 106 as a function of the sensor signal 122.
  • the first infrared light unit 112 is set up to generate the heating light distribution 140, the control unit 120 being set up to generate the first infrared light unit 112 to generate the heating light distribution 140 as a function of the at least operate a sensor signal 122.
  • the control unit 120 is set up to operate the first infrared unit 112 or the first and second infrared units 114 in a heating mode 602 when the at least one sensor signal 122 has a covering that can be removed by means of the heating light distribution 140 and / or the further heating light distribution 142 of the transparent portion 106 is indexed.
  • the heating mode 602 thus comprises a generation of the heating light distribution 140 and / or the further heating light distribution 142 by means of the first and / or second infrared light unit 112, 114.
  • the infrared light of the light distributions 130 or 140 is emitted through the section 106 to the outside in the form of a light distribution 190 from the lighting device 100. Consequently, little or no light in the form of the second test light distribution is reflected back onto the second infrared light unit 114.
  • the second infrared light unit 114 is set up to generate a further heating light distribution 142, and the control unit 120 is set up to operate the second infrared light unit 114 to generate the further heating light distribution 142 as a function of the sensor signal 122.
  • the second infrared light unit 114 thus comprises one or more infrared diodes, which are designed for both sending and receiving infrared radiation. When receiving infrared radiation, these infrared diodes generate a voltage or a current that represents the received infrared radiation or its intensity.
  • the control unit 120 comprises a storage medium M on which a computer program C is stored.
  • the computer program C comprises computer-readable instructions, when they are executed on a computer or microprocessor P, the method steps explained in this description are carried out.
  • the power electronics PE operates the first and / or second infrared unit 112, 114. In particular, the control unit 120 generates a control signal 113 for operating the infrared light unit 112.
  • the infrared diodes of the two infrared units 112 and 114 can either all be arranged on one circuit board or on different circuit boards.
  • This provides an automatic system for the detection and removal of condensation / snow / ice.
  • at regular time intervals for example 30 seconds, at least one IR transmitter diode is switched on for a few ms, for example 2 ms, with reduced power.
  • a specially provided IR receiving diode or one of the non-energized IR transmitting diodes supplies a measurement signal to the control device 120.
  • the control device 120 decides whether there is condensation, snow or ice, and energizes it as a function then all of the transmitter diodes for a defined period of time, e.g. 60s. The process is then repeated until the panes or lenses are free again.
  • control unit 120 can assume that further snow cover or icing is to be expected and therefore continue to maintain the IR heating, optionally with a lower light intensity, optionally with not all diodes.
  • the system can be operated without interaction with or by the driver, but of course also at the driver's request or request.
  • the IR transmitting diodes are set up in such a way that they emit infrared light with a wavelength range of up to approximately 2 ⁇ m.
  • the same wavelengths are used for the test light distribution and the heated light distribution.
  • the wavelengths of the test light and the heating light are different. This advantageously improves the detection of water or snow and ice and also the heating effect by choosing a wavelength for the heating light source at which the material of the lens is also absorbed and thus heated. This is advantageous because if the lens is relatively thick, a significant heat input is achieved even with a lower absorption coefficient.
  • the ice and Water films that form on the lens are usually relatively thin. At very low temperatures, the lenses could also hinder the removal of these films.
  • FIG. 2 shows a schematic flow diagram.
  • the emitted light distribution 110 is generated 202, which is emitted by the motor vehicle lighting device 100 by means of the transparent section 106, which closes the light passage opening 104 of the housing 102.
  • the first test light distribution 130 is generated by means of the first infrared light unit 112, with infrared light emitted by the first infrared light unit 112 striking the transparent section 106.
  • the sensor signal 122 is determined as a function of the second test light distribution 150 impinging on the second infrared light unit 114, the second infrared light unit 114 being oriented in such a way that the second test light distribution 150, which comes from the direction of the transparent section 106 Incident infrared light, strikes the second infrared light unit 114
  • a step 208 includes detecting the on the transparent section 106 of the existing coating as a function of the sensor signal 122.
  • a step 210 comprises generating a heating light distribution 140 by means of the first infrared light unit 112 as a function of the at least one sensor signal 122.
  • FIG 3 shows an example of the motor vehicle lighting device 100 in schematic form.
  • the light module 300 is rotatably mounted or fixedly attached to the housing 102.
  • the light sources 108a-108d serve to generate the radiation light distribution with visible light with a first main radiation direction 302.
  • the two infrared light units 112 and 114 are arranged on a respective circuit board and attached to the light module 300.
  • the infrared light units 112 and 114 can also be arranged on the same circuit board as the light sources 108a-108d.
  • the circuit board or circuit boards can be attached at different locations depending on the construction of the lighting device 100.
  • the infrared diodes are selected or set up in such a way that as much IR radiation as possible can be absorbed by water in the two states of aggregation and thus heating is achieved. If or all of the transmitter diodes are switched on, this leads, depending on the irradiance, to the condensed water evaporating or the ice or snow being melted. Furthermore, the cover pane or the front lens itself is heated, so that the renewed formation of condensation, snow or ice is avoided.
  • the at least one light source 108a-d for generating the radiation light distribution is located between the two infrared units 112 and 114.
  • the infrared light unit 112 emits the infrared light it generates through transmission optics 320 in the direction of the transparent section 106 designed as a cover plate.
  • the first main emission direction 302 of the emission light distribution 110 and a second main emission direction 304 of the light distribution 190 generated as a function of the heating light distribution 140 or the test light distribution 130 and emitted by the transparent section 106 form an angle 310 in a range of at least 20 ° and a maximum of 80 °, in particular in a range of at least 30 ° and a maximum of 70 °, and in particular in a range of at least 40 ° and a maximum of 60 °.
  • the angle 310 lies in a range of at least 45 ° in a horizontal or in a transverse plane of the Motor vehicle and / or from at least 20 ° in a vertical or in a sagittal plane of the motor vehicle upwards and / or from at least 45 ° in the vertical or in the sagittal plane of the motor vehicle downwards
  • Figure 4 shows an example of the motor vehicle lighting device 100 in schematic form.
  • a coating type 402 in the form of drops of condensation accumulates on the inside of the transparent section 106.
  • a type of coating 404 in the form of a layer of ice accumulates on an outer side of the transparent section 106.
  • a type of coating 406 in the form of snow crystals is deposited on the outside of the transparent section 106.
  • the respective types of covering reflect the first test light distribution in the direction of the second infrared light unit 114 in order to determine the presence of the covering and the type of covering there.
  • at least the first infrared light unit 112 is operated to remove the deposit.
  • Figure 5 shows an example of the motor vehicle lighting device 100 in schematic form.
  • the lighting device 100 in FIG Figure 5 not a cover plate in the actual sense, but is designed without a plate.
  • the through optics 320 form the distal closure of the associated light module and thus the transparent section 106
  • Light from light sources 108a-108d is guided through a type of hollow cylinder 502 to through optics 302.
  • a flexible sleeve 504 connects the housing 102 with the hollow cylinder 502 of the light module 300 and thus separates the interior from the exterior in sections.
  • the surface type 406 shown as an example in the form of snow reflects at least part of the first test light distribution 130 as the second test light distribution 150.
  • Figure 6 shows a schematic block diagram of the motor vehicle lighting device 100.
  • An infrared sensor 614 determines the signal 122.
  • An infrared transmitter 612 generates either the first test light distribution 130 or the heated light distribution 140.
  • a block 620 determines, as a function of the signal 122, whether the lighting device 100 is being operated in the test mode 604 or in the heating mode 602. During the generation of the first test light distribution 130 in a step 622, the sensor signal 122 is used in the step 620 to check whether a threshold value for the light intensity of the second test signal 150 is exceeded. If this is not the case, a predefined or flexibly selectable time period is awaited in a step 624.
  • the control unit 120 is consequently set up to include the first infrared unit 112 and the second infrared unit 114 in the test mode 604 if the at least one sensor signal 122 does not indicate a covering of the transparent section 106 that can be removed by means of the heating light distribution 140 or the further heating light distribution 142.
  • the at least one infrared transmitter 612 is operated to emit the heating light distribution 140, which causes the transparent section to be heated.
  • a block 628 it is checked whether an activation period has already expired. If this is not the case, a change is made back to block 626. If this is the case, there is a change to test mode 604.
  • control unit 120 is set up (not shown) to count the number of successive activations of the heating mode 602 and to increase the radiation duration or activation time of the heating light distribution 140 if a predetermined number of activations of the heating mode 602 is exceeded.
  • the second test light distribution is mapped according to a course 794.
  • Figure 7 shows a schematic intensity-time diagram for operating the motor vehicle lighting device.
  • Test mode 604 follows heating mode 602.
  • a course 792 schematically shows an intensity course of the emitted infrared light from the first infrared light unit, both the first test light distribution 130 in the form of light pulses with the duration T2 and the heating light distribution 150 being included.
  • a maximum light intensity max_130 of the first test light distribution 130 is less than a light intensity max_140 of the heated light distribution 140.
  • the control unit is set up to operate the second infrared light unit 114 in the test mode 604 at preferably regular time intervals T1 to generate the first test light distribution 130.
  • the transparent section has a coating.
  • this does not occur in a discrete form, but instead occurs, for example, in the slow growth of a layer of ice or snow or a slow condensation of water on the inside of the transparent section.
  • the generation of the first test light distribution 130 after the time tx it is checked by means of the sensor signal 122 and it is established that an intensity I_150 of the second test light distribution 150 has a threshold value S_150 has exceeded. This occurs through the increased reflection of the infrared light of the first test light distribution 130 hitting the pavement. A period of time T3 is waited for and a switch is made to heating mode 602 when the intensity I 150 of the second test light distribution 150 exceeds the threshold value S_150. Alternatively, it is of course also possible to switch directly to heating mode 602.
  • the heating light distribution 150 is emitted with the intensity max_140 for a radiation duration T4. After the emission period T4 has elapsed, a period of time T5 without emission of a light distribution from the first infrared light unit is awaited in order to carry out a test cycle in the form of test mode 604 again.
  • Figure 8 shows a further schematic block diagram of the motor vehicle lighting device 100.
  • the first infrared light unit 112 comprises at least one infrared light source 702 or an infrared light transmitter.
  • the infrared light generated by the at least one infrared light source 702 passes through a first polarization filter 704.
  • the second infrared light unit 114 comprises at least a second and a third polarization filter 706, 708.
  • the light passing through the second and third polarization filters 706, 708 strikes a respective infrared sensor 716, 718 or infrared receiver.
  • the Infrared sensors 716, 718 generate a respective sensor signal 726, 728.
  • Polarization directions of the second and third polarization filters 706, 708 differ from one another, in particular by 90 °, in particular by at least 20 °, in particular by at least 45 °.
  • a polarization direction of the first polarization filter 704 coincides with the polarization direction of one of the second and third polarization filters 706, 708.
  • the control unit 120 is designed by means of a block 730 to compare the sensor signals 726, 728 with one another in the test mode 604 and to determine a comparison ⁇ . For example, the values of the sensor signals 726, 728 are subtracted from one another and represent the polarization effect of the covering of the transparent section.
  • the type 750 of the covering on the transparent component is determined in the test mode 604 by means of a block 732 as a function of the comparison ⁇ .
  • a simple lookup table for example, can be sufficient for this. If the comparison ⁇ falls within a predetermined range for the type 750 of the covering, the type 750 of the covering is determined.
  • the light intensity of the heating light distribution 140, heating mode 602, is selected by a block 734 as a function of the type 750 of the covering.
  • the control unit 120 is thus designed by means of the block 734 to generate a large To choose the light intensity value for the heated light distribution 140 if the comparison ⁇ indicates a large difference between the intensity values represented by the sensor signals 726, 728, and to select a comparatively small light intensity value for the heated light distribution 140 if the comparison ⁇ indicates a comparatively small difference in the intensity values represented by the sensor signals 726, 728 represented intensity values are indicated.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP20173635.2A 2019-05-29 2020-05-08 Dispositif d'éclairage de véhicule automobile, procédé de fonctionnement d'un dispositif d'éclairage de véhicule automobile et unité de commande Active EP3745019B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019114516.3A DE102019114516A1 (de) 2019-05-29 2019-05-29 Kraftfahrzeugbeleuchtungseinrichtung, Verfahren zum Betreiben einer Kraftfahrzeugbeleuchtungseinrichtung und Steuereinheit

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EP3745019A1 true EP3745019A1 (fr) 2020-12-02
EP3745019B1 EP3745019B1 (fr) 2023-08-30

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EP20173635.2A Active EP3745019B1 (fr) 2019-05-29 2020-05-08 Dispositif d'éclairage de véhicule automobile, procédé de fonctionnement d'un dispositif d'éclairage de véhicule automobile et unité de commande

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Publication number Priority date Publication date Assignee Title
DE102021112469A1 (de) 2021-05-12 2022-11-17 Marelli Automotive Lighting Reutlingen (Germany) GmbH Optische Einrichtung für ein Kraftfahrzeug, Verfahren zum Betreiben einer optischen Einrichtung, Steuergerät

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DE102006033750A1 (de) * 2006-07-21 2008-01-31 Audi Ag Scheinwerfer für ein Kraftfahrzeug
EP2244004A2 (fr) * 2009-04-23 2010-10-27 Koito Manufacturing Co., Ltd. Lampe de véhicule
DE102011080489A1 (de) 2011-02-15 2012-08-16 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer
KR20150071589A (ko) * 2013-12-18 2015-06-26 현대자동차주식회사 차량의 디포깅 장치
DE102014110841A1 (de) * 2014-07-31 2016-02-04 Hella Kgaa Hueck & Co. Beleuchtungseinrichtung mit einer Einrichtung zur Enttauung und/oder Enteisung der Abschlussscheibe
US20190024867A1 (en) * 2015-09-03 2019-01-24 Koito Manufacturing Co., Ltd. Water heating device and lamp using same

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Publication number Priority date Publication date Assignee Title
DE202013002133U1 (de) * 2013-03-05 2013-03-25 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugbeleuchtungseinrichtung mit einer Heizeinrichtung

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Publication number Priority date Publication date Assignee Title
DE102006033750A1 (de) * 2006-07-21 2008-01-31 Audi Ag Scheinwerfer für ein Kraftfahrzeug
EP2244004A2 (fr) * 2009-04-23 2010-10-27 Koito Manufacturing Co., Ltd. Lampe de véhicule
DE102011080489A1 (de) 2011-02-15 2012-08-16 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer
DE102011080488A1 (de) 2011-02-15 2012-08-16 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer
KR20150071589A (ko) * 2013-12-18 2015-06-26 현대자동차주식회사 차량의 디포깅 장치
DE102014110841A1 (de) * 2014-07-31 2016-02-04 Hella Kgaa Hueck & Co. Beleuchtungseinrichtung mit einer Einrichtung zur Enttauung und/oder Enteisung der Abschlussscheibe
US20190024867A1 (en) * 2015-09-03 2019-01-24 Koito Manufacturing Co., Ltd. Water heating device and lamp using same

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EP3745019B1 (fr) 2023-08-30

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