EP3816501A1 - Module d'aération pour un dispositif d'éclairage d'un véhicule automobile - Google Patents

Module d'aération pour un dispositif d'éclairage d'un véhicule automobile Download PDF

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Publication number
EP3816501A1
EP3816501A1 EP20203746.1A EP20203746A EP3816501A1 EP 3816501 A1 EP3816501 A1 EP 3816501A1 EP 20203746 A EP20203746 A EP 20203746A EP 3816501 A1 EP3816501 A1 EP 3816501A1
Authority
EP
European Patent Office
Prior art keywords
lighting device
ventilation module
section
passage opening
housing
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.)
Pending
Application number
EP20203746.1A
Other languages
German (de)
English (en)
Inventor
Achim Bathe
Uwe Schubert
Attila Olah
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
Original Assignee
Marelli Automotive Lighting Reutlingen Germany GmbH
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 Marelli Automotive Lighting Reutlingen Germany GmbH filed Critical Marelli Automotive Lighting Reutlingen Germany GmbH
Publication of EP3816501A1 publication Critical patent/EP3816501A1/fr
Pending legal-status Critical Current

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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
    • F21S45/30—Ventilation or drainage of lighting devices
    • F21S45/33—Ventilation or drainage of lighting devices specially adapted for headlamps

Definitions

  • the invention relates to a ventilation module and a lighting device for a motor vehicle.
  • a lighting device for a motor vehicle in which air, which flows along due to the influence of the wind when the lighting device is used in a moving motor vehicle, is diverted into an interior space of the lighting device.
  • a lighting device for a motor vehicle in which an opening of a ventilation connection adjoins an edge of the cover plate.
  • a lighting device for a motor vehicle in which a water collecting chamber is provided, into which an air supply line opens.
  • the task is therefore to improve the ventilation of the headlight.
  • the ventilation module comprises: a first air passage opening, a labyrinth section which is between the first air passage opening and an air filter section is arranged, the air filter section, which is arranged between the labyrinth section and a second air passage opening, and the second air passage opening, wherein the second air passage opening is assigned a first fastening section, the first fastening section being designed for a releasable fastening of the ventilation module to a housing of the lighting device.
  • the ventilation module By integrating the filter section and the labyrinth section in one component, the ventilation module, it is achieved that both the filter is protected from damage by means of the labyrinth section.
  • there is an advantageous separation into consumption and long-term use area with the housing of the lighting device representing the long-term use area and the ventilation module representing the consumption area. If the filter section clogs due to the ingress of dirt, the defrosting function of the lighting device can be restored, for example, by replacing the ventilation module.
  • the ventilation module can be made available as a standardized component, which reduces the costs for providing the defrosting function.
  • the provided ventilation module thus mitigates the problem of condensation by quickly defrosting existing condensation when driving the motor vehicle or by lowering the humidity inside the Lighting device the risk of condensation is reduced.
  • An advantageous example is characterized in that an inner diameter of the labyrinth section is reduced, at least in sections, in the direction of the air filter section and perpendicular to a main air flow direction.
  • An advantageous example is characterized in that the labyrinth section has at least one deflection area which deflects a respective main air flow direction of the air by at least 45 °.
  • the air filter section has a filter receptacle in which a filter material is arranged, and the filter receptacle is designed such that the filter material can be exchanged.
  • the housing of the ventilation module can thus be used several times if only the filter material is replaced. This advantageously increases the recycling rate.
  • a housing of the ventilation module in particular the first fastening section, is made of a material that is elastic in the operating state of the ventilation module, in particular an elastomer.
  • the elastic material in the area of the first fastening section enables simple assembly. At the same time, the elastic material enables a sufficient seal.
  • the first fastening section comprises either a bayonet track or a bayonet connection.
  • the lighting device comprises: at least one ventilation module, which can be separated from a housing of the lighting device, according to the first aspect; and the housing of the lighting device in which at least one The light module is arranged to generate an emitted light distribution, the housing of the lighting device comprising a third air passage opening and a second fastening section assigned to the third air passage opening, the second fastening section and the first fastening section being designed to produce a detachable connection between the housing of the lighting device and the at least one ventilation module are.
  • a lighting device is advantageously provided in which the flow through the housing is improved. If the vehicle is moved, the air is introduced into the ventilation module via the first air passage opening.
  • the first and the second fastening section comprise a respective coding which defines a position of the housing of the lighting device and of the ventilation module with respect to one another.
  • An advantageous example is characterized in that the first and the second fastening section surround the associated air passage opening. A sufficient seal is thereby advantageously ensured.
  • An advantageous example is characterized in that the first and the second fastening section follow a round contour.
  • a degree of freedom of rotation is advantageously created for the application in order to determine the most favorable flow situation for the first air passage opening and thus to determine the desired position of the ventilation module in relation to the housing of the lighting device.
  • a coding of the two fastening sections incorporated in the series product enables the ventilation module to be correctly positioned in relation to the housing of the lighting device.
  • FIG. 1 a ventilation module 100 for a lighting device of a motor vehicle in a schematic section.
  • the lighting device is, for example, a headlight or a rear light.
  • the ventilation module 100 comprises a first air passage opening 102 through which, for example, air flows into the ventilation module.
  • a labyrinth section 104 is arranged between the first air passage opening 102 and an air filter section 106.
  • An inner diameter of the labyrinth section 104 decreases at least in sections in the direction of the air filter section 106 and perpendicular to a main air flow direction 112.
  • This funnel-shaped design of at least part of the labyrinth section 104 functions as a vestibule.
  • the air entering the ventilation module 100 generates a volume flow through the lighting device.
  • the alignment or positioning of the first air passage opening 102 is selected such that a maximum volume flow is achieved through the housing of the lighting device.
  • the labyrinth section 104 has at least one, in the present case two deflection areas 114, 116, which deflect a respective main air flow direction 112 of the air by at least 45 °.
  • the labyrinth section 104 comprises, for example, a separation opening 138 for separating water, which in the labyrinth section 104 has entered.
  • the separation opening 138 is omitted.
  • the air filter section 106 is arranged between the labyrinth section 104 and a second air passage opening 108.
  • the air filter section 106 has a filter receptacle 118, 120, 122 in which a filter material 124 is arranged.
  • the filter holder consisting of a proximal filter holder 118 and distal filter holders 120, 122, is designed in such a way that the filter material 124 can be exchanged.
  • the filter holders 120 and 122 delimit a through opening 132, through which the shown filter material 124 - provided it is designed to be flexible - can be removed and a new filter material can be introduced into the vacated filter holder space.
  • the filter material 124 has a degree of dust separation when new of at least 85%, the dust particles having a size of at least 2 micrometers.
  • a first fastening section 110 is assigned to the second air passage opening 108.
  • the first fastening section 110 is designed to provide a detachable fastening of the ventilation module 100 to a housing of the lighting device.
  • a coding 130 which is assigned to the fastening section 110, ensures a unique position of the ventilation module 100 in relation to the housing of the lighting device. In particular, this allows predetermine the orientation and arrangement of the distal air passage opening 102.
  • the ventilation module 100 is aligned or the position of the ventilation module 100 is determined in that, with the help of a tool change for the housing of the lighting device, a coding is defined in which the coding 130 of the first fastening section 130 engages or, together with this, the position of the ventilation module 100 defines the housing of the lighting device.
  • a housing 126 of the ventilation module 100 in particular in the area of the first fastening section 110, is made in one example from a material that is elastic in the operating state of the ventilation module 100, in particular an elastomer.
  • the first fastening section 110 can be deformed in such a way that it can be introduced, for example, through a through opening of the housing with a smaller diameter.
  • the first fastening section 110 has an at least partially circular projection which protrudes along the circumference of the second air passage opening 108 perpendicular to a center axis 140 from the housing 126 of the ventilation module 100.
  • the first fastening section 110 has a shape memory and, after being introduced into the through opening of the housing of the lighting device, will attempt to assume its original shape. So that there is both an attachment and a seal through the first fastening area 110.
  • the first fastening section 110 has either a bayonet track or a bayonet connection.
  • the bayonet track and the bayonet connection define an end position which define the end position of the ventilation module 100 and the housing of the lighting device with respect to one another.
  • the ventilation module 100 is therefore a separate part in relation to the housing of the lighting device.
  • the first fastening section is designed to be round, with which the ventilation module 100 can be rotated.
  • a desired angle of attack for the first air passage opening 102 pointing away from the central axis 140 can be determined.
  • the ventilation module includes the coding 130 and the housing of the lighting device includes a corresponding coding in order to ensure the installation of the ventilation module 100 in the position determined during the application.
  • the mechanical feature corresponding to the respective coding is set, for example, by means of a tool for the housing so that only material has to be removed in order to use the complementary mechanical features for the correct positioning of the To generate ventilation module 100.
  • the coding 130 of the ventilation module 100 is specified, the coding on the housing of the lighting device being able to change depending on the flow situation.
  • FIG. 2 the lighting device 200 for a motor vehicle in a schematic section.
  • At least one light module 204 for generating an emitted light distribution 206 is arranged in an interior space 203 of the housing 202.
  • a transparent cover plate 205 closes a light passage opening of the housing 202.
  • the ventilation module 100 can be separated from the housing 202 of the lighting device 200, i.e. it can be exchanged.
  • the housing 202 of the lighting device 200 comprises a third air passage opening 208 and the second fastening section 210 assigned to the third air passage opening 208.
  • the second fastening section 210 and the first fastening section 110 are for establishing a detachable connection between the housing 202 of the lighting device 200 and the at least one ventilation module 100 educated.
  • the housing includes a fourth through-opening 220, which is, for example, at a distance from the third through-opening 208.
  • a further ventilation module analogous to the ventilation module 100 can also be arranged on the fourth through-opening.
  • the first and second fastening sections 110, 120 include the respective coding 130, 230, which together define a position of the housing 202 of the lighting device 200 and of the ventilation module 100 with respect to one another.
  • the first and second fastening sections 110, 120 surround, for example, the associated air passage opening 108, 208.
  • the first and second fastening sections 110, 120 follow a round contour, for example.
  • the ventilation module 100 is highly air-permeable. At a differential pressure of 20 Pascal between the first and the fourth air passage opening 102 and 220, a volume flow of at least 5 l / min is achieved with a compact design.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP20203746.1A 2019-10-30 2020-10-26 Module d'aération pour un dispositif d'éclairage d'un véhicule automobile Pending EP3816501A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019129372.3A DE102019129372A1 (de) 2019-10-30 2019-10-30 Belüftungsmodul für eine Beleuchtungseinrichtung eines Kraftfahrzeugs

Publications (1)

Publication Number Publication Date
EP3816501A1 true EP3816501A1 (fr) 2021-05-05

Family

ID=73014397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20203746.1A Pending EP3816501A1 (fr) 2019-10-30 2020-10-26 Module d'aération pour un dispositif d'éclairage d'un véhicule automobile

Country Status (2)

Country Link
EP (1) EP3816501A1 (fr)
DE (1) DE102019129372A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023274814A1 (fr) * 2021-06-30 2023-01-05 Marelli Automotive Lighting Reutlingen (Germany) GmbH Module de ventilation destiné à un dispositif d'éclairage de véhicule à moteur

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234335A2 (fr) * 1986-02-14 1987-09-02 NORKA Norddeutsche Kunststoff- und Elektro-Gesellschaft Stäcker & Co. mbH Lampe
US5406467A (en) * 1994-08-01 1995-04-11 Ford Motor Company Ventilation system for motor vehicle light fixture
EP0717231A1 (fr) * 1994-12-15 1996-06-19 Bayerische Motoren Werke Aktiengesellschaft Unité d'éclairage pour véhicules
JPH0963312A (ja) * 1995-06-13 1997-03-07 Nitto Denko Corp 通気管
DE19934353A1 (de) * 1999-07-22 2001-04-26 Bosch Gmbh Robert Scheinwerfer für Kraftfahrzeuge
WO2006120707A1 (fr) * 2005-05-06 2006-11-16 Gvs S.P.A. Filtre de mise à l’air avec membrane
US20130055898A1 (en) * 2011-05-19 2013-03-07 Nitto Denko Corporation Vent structure
DE102014008530A1 (de) 2014-02-13 2015-08-13 Ewald Dörken Ag Feuchtevariable Schutzschicht und Verwendung einer feuchtevariablen Schutzschicht
EP2942560A1 (fr) * 2014-05-08 2015-11-11 Hella KGaA Hueck & Co. Système de ventilation de feux de véhicule
DE102015211906A1 (de) 2015-06-26 2016-12-29 Automotive Lighting Reutlingen Gmbh Belüftete Kraftfahrzeugbeleuchtungseinrichtung
DE102016119511A1 (de) 2016-10-13 2018-04-19 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugbeleuchtungsvorrichtung mit einer Belüftungsvorrichtung
CN207893691U (zh) * 2018-03-22 2018-09-21 上汽大众汽车有限公司 车灯的通气机构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013218329A1 (de) * 2013-09-12 2015-03-12 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung
DE102016104006A1 (de) * 2016-03-04 2017-09-07 Automotive Lighting Reutlingen Gmbh Belüftete Kraftfahrzeugbeleuchtungseinrichtung mit einem auswechselbaren Luftfilter

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234335A2 (fr) * 1986-02-14 1987-09-02 NORKA Norddeutsche Kunststoff- und Elektro-Gesellschaft Stäcker & Co. mbH Lampe
US5406467A (en) * 1994-08-01 1995-04-11 Ford Motor Company Ventilation system for motor vehicle light fixture
EP0717231A1 (fr) * 1994-12-15 1996-06-19 Bayerische Motoren Werke Aktiengesellschaft Unité d'éclairage pour véhicules
JPH0963312A (ja) * 1995-06-13 1997-03-07 Nitto Denko Corp 通気管
DE19934353A1 (de) * 1999-07-22 2001-04-26 Bosch Gmbh Robert Scheinwerfer für Kraftfahrzeuge
WO2006120707A1 (fr) * 2005-05-06 2006-11-16 Gvs S.P.A. Filtre de mise à l’air avec membrane
US20130055898A1 (en) * 2011-05-19 2013-03-07 Nitto Denko Corporation Vent structure
DE102014008530A1 (de) 2014-02-13 2015-08-13 Ewald Dörken Ag Feuchtevariable Schutzschicht und Verwendung einer feuchtevariablen Schutzschicht
EP2942560A1 (fr) * 2014-05-08 2015-11-11 Hella KGaA Hueck & Co. Système de ventilation de feux de véhicule
DE102015211906A1 (de) 2015-06-26 2016-12-29 Automotive Lighting Reutlingen Gmbh Belüftete Kraftfahrzeugbeleuchtungseinrichtung
DE102016119511A1 (de) 2016-10-13 2018-04-19 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugbeleuchtungsvorrichtung mit einer Belüftungsvorrichtung
CN207893691U (zh) * 2018-03-22 2018-09-21 上汽大众汽车有限公司 车灯的通气机构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023274814A1 (fr) * 2021-06-30 2023-01-05 Marelli Automotive Lighting Reutlingen (Germany) GmbH Module de ventilation destiné à un dispositif d'éclairage de véhicule à moteur

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