EP2327928B1 - Halterung für einen Lüfter einer Beleuchtungseinrichtung sowie Beleuchtungseinrichtung - Google Patents

Halterung für einen Lüfter einer Beleuchtungseinrichtung sowie Beleuchtungseinrichtung Download PDF

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Publication number
EP2327928B1
EP2327928B1 EP09177011.5A EP09177011A EP2327928B1 EP 2327928 B1 EP2327928 B1 EP 2327928B1 EP 09177011 A EP09177011 A EP 09177011A EP 2327928 B1 EP2327928 B1 EP 2327928B1
Authority
EP
European Patent Office
Prior art keywords
holder
fan
lighting device
fastening
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.)
Active
Application number
EP09177011.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2327928A1 (de
Inventor
Thomas Herbers
Hans-Gerd Hammelbeck
Jürgen Schulte
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella GmbH and Co KGaA
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 GmbH and Co KGaA filed Critical Hella GmbH and Co KGaA
Priority to EP09177011.5A priority Critical patent/EP2327928B1/de
Priority to US12/951,182 priority patent/US20110128752A1/en
Priority to CN201010559688.9A priority patent/CN102109149B/zh
Publication of EP2327928A1 publication Critical patent/EP2327928A1/de
Application granted granted Critical
Publication of EP2327928B1 publication Critical patent/EP2327928B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a holder for a fan of a lighting device and a lighting device for a vehicle, with a light source, a fan and a housing, wherein the light source is arranged in and / or on the housing.
  • a lighting device has a fan, by means of which an air circulation and thus a cooling within the lighting device is made possible.
  • the fan is permanently installed in the lighting device or integrally connected with components, such as the light source or a ventilation duct, within the lighting device, so that the fan can not be easily removed from the lighting device after assembly of the lighting device.
  • a headlight with a headlight housing in which at least one light source and a conveying device for air, in particular in the form of a fan, are arranged known.
  • the conveying device for air, in particular the fan is arranged in the rear area of the headlight or between the rear wall of the headlight and a heat sink. A simple removal of the conveyor is not possible with such a headlight.
  • a lighting device with at least one semiconductor light source is known.
  • the illumination device has a largely closed air channel with a substantially horizontal extent.
  • the lighting device has means for actively conveying air through the air duct.
  • These means for conveying air may include a fan.
  • the means for conveying air are integrally connected to an air duct.
  • the means for conveying air to one End of the air duct arranged.
  • the fan alone is not readily removable from the lighting device because it is coupled to the means for conveying air.
  • a lighting device which has a fan in addition to a light source and a mirror element. Both the mirror element and the fan sit on the inside of the housing of the lighting device. This has the disadvantage that the mounting or the release of the fan to / from the housing is difficult, since the fasteners are difficult to access.
  • the object of the present invention is to provide a device which makes it possible for a fan to be simply installed or removed in and out of a lighting device, in particular a lighting device for a vehicle. Furthermore, a lighting device is to be created in which a fan can be easily installed or removed.
  • the object is achieved by a holder for a fan of a lighting device, wherein the holder has at least one fastening element for fastening the fan and at least one fastening device for fastening the holder in the interior of the illumination device.
  • Such a holder for a fan of a lighting device allows a simple installation and removal of a fan in or out of the lighting device, in particular the lighting device of a Motor vehicle.
  • the fan is a wearing part, which is sometimes replaced due to a defect.
  • the holder allows easy replacement of the fan from a lighting device, such as a headlight of a vehicle, in particular a motor vehicle.
  • Another key advantage of the bracket is that the fan regardless of the insertion opening of the illumination device, through which the fan is inserted into the interior of the illumination device, can be arranged.
  • the positioning of the fan within the illumination device is determined by the at least one fastening element of the holder on which the fan is arranged or the position of the at least one fastening element with respect to the at least one fastening device, via which the holder is arranged in and / or on the illumination device , certainly. It is crucial that the holder can be fixed in the illumination device by a fastening tool, such as a screwdriver, which can be introduced through the insertion opening. Due to the fact that the fan can already be fastened to the holder before installation, it is not necessary for the at least one fastening element after the installation of the fan in the illumination device to be accessible through the insertion opening by a tool.
  • the housing of the illumination device or a frame in the illumination device is preferably formed from a duroplastic.
  • the screwing of a fastening screw on a housing or frame designed in this way is possible only once due to the special material.
  • the holder which is preferably made of a different material, such as a thermoplastic, on the other hand allows a multiple screwing in mounting screws that serve to hold the fan to the bracket.
  • the holder has two or more fastening elements for fastening the fan. Furthermore, it is preferred that the holder has two or more fastening devices for fastening the holder in the interior of the illumination device. As a result, on the one hand, a secure attachment of the holder in the interior of the illumination device and on the other hand a secure attachment of the fan to the holder allows.
  • the at least one fastening device has a smooth through hole or a through hole with at least partially an internal thread for receiving a fastening screw.
  • fastening devices allow the holder simply by means of Fixing screws in the interior of the lighting device, in particular on the inner wall of the housing of the lighting device, can be screwed.
  • corresponding receptacles such as mounting plugs, may be provided for receiving the fastening screws.
  • These receptacles, in particular the receiving plugs can be inserted into through-holes or blind holes in the housing of the illumination device or in the frame within the illumination device.
  • a holder is preferred in which the at least one fastening device has a guide device for the captive guidance of a fastening screw.
  • a guide device ensures that the fastening screw, for example after unscrewing, does not fall into the illumination device or into the housing of the illumination device and is no longer accessible.
  • the guide device is preferably designed such that the fastening screw along a degree of freedom, that is, in one direction, within the guide device is movable.
  • the fastening screw is movable in parallel or coaxially with the longitudinal axis of the guide device.
  • the guide device may be formed, for example, as a slotted guide.
  • the guide device allows the secure screwing of the fastening screw through the through hole of the holder in corresponding receptacles within the illumination device, in particular in recordings in the housing of the illumination device or a frame which is disposed within the illumination device.
  • the guide device of the at least one fastening device is arranged on the holder such that the fastening screw is arranged in alignment with the through hole in the holder. That is, the guide device is arranged on the holder in such a way that the longitudinal axis of the fastening screw guided in the guide device runs coaxially with the longitudinal axis of a through hole in the holder.
  • the replaceable holder for the fan is designed to be quiet. That is, the holder is preferably so vibration-proof and fixedly disposed in the interior of the lighting device that no noise due to movement of the holder occur during operation of the fan.
  • special seals or washers can be used.
  • the guide device is non-positively, in particular by one or more locking elements, releasably secured to the bracket.
  • the guide device can be inserted, for example by means of locking projections in corresponding locking receptacles in the holder.
  • the guide device can have latching receptacles into which correspondingly formed latching projections of the holder are inserted.
  • the at least one latching element is preferably elastic. By exerting a force on the at least one latching element, the guide device can be released from the holder again.
  • the frictional connection can be produced for example by a bayonet lock.
  • a holder is preferred in which the guide device is arranged pivotably on the holder.
  • the guide device is formed integrally with the holder. That is, the guide device of the at least one fastening device and the holder are preferably produced monolithically.
  • the guide device of the at least one fastening device is arranged integrally or monolithically on the holder via a film hinge. That is, the trained as a screw receiving guide means of the fastening device is preferably integrally connected to the bracket by means of a film hinge.
  • the holder and designed as a screw shots guide means can be easily produced by an injection molding in the normal tool position without slide.
  • the at least one fastening element has a through hole with or without an internal thread or a blind hole with or without an internal thread. Due to the design of the at least one fastening element as a through hole or as a blind hole, the fan by means of fastening screws can be easily attached to the bracket releasably.
  • the at least one fastening element in particular the through holes or the blind holes, can be arranged in such a way that they are inaccessible from the outside after being fastened to the holder and the mounting of the holder in the interior of the lighting device. The fan is removed by simply removing the bracket on which the fan is located.
  • the through hole of the at least one fastening device is arranged inclined to the through hole or the blind hole of the at least one fastening element. That is, the fan is freely selectable from its arrangement or position, because it can be mounted in the interior of the lighting device to the holder before installing the holder. Characterized in that the attachment of the fan to the holder is independent of the attachment of the holder in the lighting device, depending on the configuration of the fasteners any position of the fan, in particular an optimal position of the fan can be ensured to the cooling elements in the lighting device.
  • the holder is preferably formed from a thermoplastic.
  • the holder can be made by a thermoplastic injection molding process. In another embodiment of the holder can be provided that it is formed of metal.
  • the object is achieved by a lighting device for a vehicle, in particular for a motor vehicle, having a light source, a fan and a housing, wherein the light source is arranged in and / or on the housing.
  • the illumination device is characterized in that it has a holder according to the first aspect of the invention for the fan and that the housing of the illumination device has an insertion opening for the holder and the fan, wherein the holder in and / or on the housing of the illumination device is releasably secured such that the holder is fastened and detachable through the insertion opening in and / or on the housing of the illumination device.
  • Such a lighting device allows the quick and easy replacement of a defective fan from the lighting device, such as a headlight or a taillight of a motor vehicle. This is particularly advantageous because in modern lighting devices, especially motor vehicles, the fan and not the light sources is the wearing parts.
  • the fan can be easily installed in such a lighting device by means of the holder in the lighting device or removed from the lighting device. It is crucial that both the fan and the holder can be passed through the insertion opening of the housing of the illumination device.
  • the at least one light source of the illumination device can also be installed or removed through one and the same insertion opening.
  • the insertion opening can be advantageously closed by a closure element, for example by a lid, in particular sealing.
  • the holder is preferably fastened by fastening screws in the interior of the illumination device.
  • the fastening screws can in particular be rotated by a screwdriver, for example a Torx screwdriver, which can be inserted through the insertion opening into the interior of the fastening device.
  • the holder and / or the light source is detachably fastened to a frame which is arranged in the housing of the illumination device.
  • the light source of the illumination device can be designed differently.
  • a lighting device is preferred in which the light source comprises at least one light-emitting diode (LED).
  • FIGS. 1 with 3 each provided with the same reference numerals.
  • FIG. 1 is a plan view of a arranged on a holder 10 for a lighting device 1 fan 20 is shown.
  • the fan 20 is releasably secured by means of fastening screws 21 on the holder 10.
  • the fastening screws 21 are screwed into corresponding fastening elements, not shown.
  • the fastening elements are preferably designed as through holes or blind holes.
  • the passage or blind holes may be formed without or with an internal thread for receiving the fastening screws.
  • the holder 10, in particular the at least one fastening element of the holder 10 is preferably formed from such a material that a fastening screw 21 can be screwed in and out of it several times.
  • the holder 10 or the at least one fastening element of the holder 10 is formed from a thermoplastic.
  • the bracket 10 has fasteners 11 that include through holes or holes 12. These serve to screw the holder 10 by means of fastening screws 13 within the illumination device 1, in particular on the inner wall of the housing of the illumination device 1 or a frame within the illumination device 1.
  • the fastening devices 11 of the holder 10 also have guide means 14 in which the fastening screws 13 are held captive.
  • the guide means 14 are preferably arranged pivotably on the holder 10. In particular, the pivotable guide means 14 are formed integrally with the holder 10.
  • the guide means 14 are fastened in particular integrally by means of a film hinge on the holder 10 pivotally.
  • the guide means 14 have latching elements 15 which are in particular resilient and have latching projections 16 at their free ends.
  • the locking elements 15 of the guide means 14 engage in or on corresponding latching receptacles 17 of the holder 10 a. These are in Fig. 1 formed as protruding from the holder 10 parts.
  • the through holes 12 of the fastening devices 11 of the holder 10 are arranged in this embodiment variant of the holder 10 inclined to the through holes or blind holes of the fastening elements of the holder 10.
  • Fig. 2 shows a side view of a arranged on a holder 10 for a lighting device 1 fan 20.
  • the holder 10 has fastening means 11, which are in particular formed as through holes. These serve to fasten the holder 10 in the illumination device 1, in particular on the inner wall of the illumination device 1 or on a frame in the illumination device 1. For this purpose, fixing screws are passed through the through holes.
  • the holder 10 also has fastening holes 19 designed as through-holes 18. The fasteners 19 are used to attach the fan 20 to the bracket 10. That is, the fan 20 is releasably secured by means of fastening screws which are screwed into the through holes 18 on the bracket 10.
  • Fig. 3 shows a holder 10 for a fan 20 and a fixed to the holder 10 fan 20 in the installed position in a lighting device 1 of a Motor vehicle, in particular a passenger vehicle.
  • the fan 20 is releasably secured by means of three fastening screws 21 to the bracket 10.
  • the fastening screws 21 are arranged inclined to the Ein slaughteröffung 2 of the lighting device 1, that they can not be operated by a tool. Therefore, the fan 20 has been fixed in this embodiment of the lighting device 1 prior to installation in the lighting device 1 to the bracket 10.
  • the holder 10 is screwed in the lighting device 1.
  • the fastening screws 13 are easily accessible through the Ein 1500öffung 2 of the lighting device 1 and can be easily operated by a tool, in particular a screwdriver.
  • the fan can be easily removed in the event of a defect from the lighting device 1, in particular the headlight of a vehicle by the fixing screws 13 of the holder 10 are released.
  • the Ein 1500öffung 2 is formed so large that the holder 10 can be passed to the fan 20 through this.
  • a holder 10 is shown.
  • the guide means 14 are hinged on film hinges pivotally mounted on the holder 10.
  • the guide means 14 are for the captive storage of a respective fastening screw 13, as in Fig. 5 illustrated, formed.
  • the fastening screws 13 can be solved, wherein the dissolved fastening screws 13 are held by the guide means 14.
  • the fastening screws 13 are arranged in alignment in front of the through holes 12 of the fasteners 11. As a result, they can be screwed into the through-holes 12 in a simple and captive manner or unscrewed from the through-holes 12.
  • the guide devices 14 of the fastening devices 11 have latching elements 15. That is, on the guide means 14 resilient locking projections 16 are provided which engage in fixed detent recesses 17 which project from the holder 10 and thus fix the guide means in the mounting position on the holder 10.
  • the linearly movable in the guide means 14 fastening screws 13th facilitate both the fastening of the holder 10 in the illumination device, in particular on the inner wall of the housing of the illumination device or to a arranged in the illumination device frame member, as well as the release of the holder 10 of these components.
  • the fastening screws 13 are screwed into the corresponding through holes 12 of the fastening means 11 of the holder 10 therethrough.
  • three fastening elements 19 are shown, which serve for fastening a fan.
  • the fastening elements 19 have through holes or blind holes 18 into which fixing screws can be screwed for fixing the fan.
  • Such trained holders allows easy and quick replacement of a fan 20 from a lighting device 1, in particular a headlight of a vehicle, if it is defective. It is not necessary to replace the entire lighting device 1, in case of a defect of the fan.
  • the fan 20 preferably has at least one running blading. Furthermore, a drive unit for operating the fan 20 or the rotor blading of the fan 20 is preferably provided in the fan 20 or in the lighting device 1.
  • the replaceable fan bracket 10 is preferably designed to be quiet, with independent of the insertion opening 2 of the headlight housing arranged fan position.
  • the fastening screws 13 and the screwing direction of the fastening screws 13 are easily accessible through the insertion opening 2 of the lighting device 1, so that the exchangeability of the fan is given.
  • the bracket 10 is used in addition to the interchangeability of the fan 20 also preferably for noise-absorbing recording of the fan 20.
  • the fan 20 is freely selectable from its arrangement or location, because the fan 20 can be mounted in advance on the fan bracket 10. Characterized in that the attachment of the fan 20 on the fan bracket 10 is independent, the position is ensured according to the optimal location to be cooled elements in the headlight.
  • the bracket 10 allows the independent geometric arrangement of the fan 10 within the lighting device 1, because the fan 20 can be screwed to the fan bracket 10 in advance.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP09177011.5A 2009-11-25 2009-11-25 Halterung für einen Lüfter einer Beleuchtungseinrichtung sowie Beleuchtungseinrichtung Active EP2327928B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09177011.5A EP2327928B1 (de) 2009-11-25 2009-11-25 Halterung für einen Lüfter einer Beleuchtungseinrichtung sowie Beleuchtungseinrichtung
US12/951,182 US20110128752A1 (en) 2009-11-25 2010-11-22 Apparatus and method for attaching a fan of a lighting apparatus and lighting apparatus
CN201010559688.9A CN102109149B (zh) 2009-11-25 2010-11-25 用于照明装置的通风器的支架以及照明装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09177011.5A EP2327928B1 (de) 2009-11-25 2009-11-25 Halterung für einen Lüfter einer Beleuchtungseinrichtung sowie Beleuchtungseinrichtung

Publications (2)

Publication Number Publication Date
EP2327928A1 EP2327928A1 (de) 2011-06-01
EP2327928B1 true EP2327928B1 (de) 2018-08-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09177011.5A Active EP2327928B1 (de) 2009-11-25 2009-11-25 Halterung für einen Lüfter einer Beleuchtungseinrichtung sowie Beleuchtungseinrichtung

Country Status (3)

Country Link
US (1) US20110128752A1 (zh)
EP (1) EP2327928B1 (zh)
CN (1) CN102109149B (zh)

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US8818697B2 (en) 2012-03-05 2014-08-26 Toyota Motor Engineering & Manufacturing North America, Inc. Vehicles for communicating vehicle parameters to a networked server
AT513058B1 (de) * 2012-06-27 2014-09-15 Zizala Lichtsysteme Gmbh Beleuchtungsvorrichtung
DE102012111638B4 (de) * 2012-11-30 2023-03-16 HELLA GmbH & Co. KGaA Beleuchtungssystem für ein Kraftfahrzeug
DE102012111640B4 (de) 2012-11-30 2022-12-01 HELLA GmbH & Co. KGaA Vorrichtung zur Befestigung eines Lüfters
DE102013017022A1 (de) * 2013-10-12 2015-04-16 Daimler Ag Beleuchtungsvorrichtung für ein Fahrzeug
FR3026462B1 (fr) * 2014-09-30 2019-06-28 Valeo Vision Belgique Dispositif lumineux de vehicule avec un element optique plaque avec le support de source lumineuse
DE102014117320A1 (de) * 2014-11-26 2016-06-02 Hella Kgaa Hueck & Co. Beleuchtungseinrichtung für ein Fahrzeug mit einem Lüfter
DE102014117325A1 (de) 2014-11-26 2016-06-02 Hella Kgaa Hueck & Co. Anordnung eines Lüfters in einem Scheinwerfer
FR3062612B1 (fr) * 2017-02-06 2020-10-02 Valeo Vision Module optique pour vehicule automobile et verrouillage en position d'un composant du module par un element d'enserrement elastiquement deformable
DE102017110740A1 (de) * 2017-05-17 2018-11-22 HELLA GmbH & Co. KGaA Aufnahmeanordnung zur Aufnahme eines Lüfters an einem Lichtmodul eines Scheinwerfers für ein Fahrzeug
DE102018124320A1 (de) * 2018-10-02 2020-04-02 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer und Lüfter hierfür
EP3875849A1 (en) * 2020-03-02 2021-09-08 ZKW Group GmbH Lighting device for a vehicle headlamp

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US20090268468A1 (en) * 2008-04-23 2009-10-29 Foxconn Technology Co., Ltd. Led illuminating device and light engine thereof
TWM346743U (en) * 2008-07-25 2008-12-11 Forcecon Technology Co Ltd LED Lamp and integrated heat-dissipation module thereof

Also Published As

Publication number Publication date
EP2327928A1 (de) 2011-06-01
CN102109149B (zh) 2015-03-11
CN102109149A (zh) 2011-06-29
US20110128752A1 (en) 2011-06-02

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