EP1043544A2 - Projecteur pour véhicule - Google Patents

Projecteur pour véhicule Download PDF

Info

Publication number
EP1043544A2
EP1043544A2 EP00890076A EP00890076A EP1043544A2 EP 1043544 A2 EP1043544 A2 EP 1043544A2 EP 00890076 A EP00890076 A EP 00890076A EP 00890076 A EP00890076 A EP 00890076A EP 1043544 A2 EP1043544 A2 EP 1043544A2
Authority
EP
European Patent Office
Prior art keywords
incandescent lamp
board
bulb
webs
motor vehicle
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.)
Granted
Application number
EP00890076A
Other languages
German (de)
English (en)
Other versions
EP1043544B1 (fr
EP1043544A3 (fr
Inventor
Josef Kanzler
Günter Karlinger
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.)
ZKW Group GmbH
Original Assignee
Zizala Lichtsysteme 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 Zizala Lichtsysteme GmbH filed Critical Zizala Lichtsysteme GmbH
Publication of EP1043544A2 publication Critical patent/EP1043544A2/fr
Publication of EP1043544A3 publication Critical patent/EP1043544A3/fr
Application granted granted Critical
Publication of EP1043544B1 publication Critical patent/EP1043544B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/196—Wire spring attachments
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • 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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • 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
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • 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
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings

Definitions

  • the invention relates to a motor vehicle headlight with a plastic reflector, in particular Thermoplastic reflector, and attached light bulb holder board for insertion a light bulb.
  • thermoplastics that currently far due to their low manufacturing costs and compared to thermosets more favorable processability are preferred today, e.g. as polyetherimides and Polyether sulfides.
  • the motor vehicle headlamp according to the invention is primarily so characterized in that the bulb holder board on from the reflector back wall protruding webs formed in one piece with this at a distance from the reflector rear wall is put on.
  • Stops for the incandescent lamp holder board are advantageous on the webs formed and the bulb holder board has slots for the passage of a Area of the webs.
  • a spring tongue for contact with the penetrating Web area is formed.
  • the construction according to the invention results in the fact that the Incandescent lamp holder and the bulb base with air and thus good cooling.
  • the invention provided to attach the light bulbs to the light bulb holder, i.e. to the board, like this snapping in that the bulb socket in the snapped state under Spring load stands.
  • the incandescent lamp holder board Has spring tongue for contact with the bulb base, which is part of a Tilt snap seat for the incandescent lamp, in particular the spring tongue for Attack on a lateral centering extension of the bulb base is provided.
  • Fig. 1 an oblique view of the Reflector rear of a motor vehicle headlight according to the invention and Fig. 2 one 1 in the plane of the two light bulb connections.
  • the light bulb holder board 1 has a central recess with an opening for the incandescent lamp, the cup-shaped incandescent lamp base 11 being in the central recess is used.
  • the bulb base 11 has at least one tongue-shaped side Centering extension 12 on, when inserted into the headlamp by a reaches corresponding slot of the side wall of the circuit board 1 and one with the side wall presses single-level spring tongue 10 outwards.
  • the centering process 12 opposite lower edge 13 of the bulb base 11 snaps when Insert the light bulb into the board 1 against the pressure of the spring tongue 10 over the Board edge 14.
  • the centering extension 12 of the bulb base 11 prevents together with the board side wall that the light bulb 11 is simply pulled off - It must be tipped out of its snap fit in the board and tipped in and the pressure of the spring tongue 10 prevents displacement of the Incandescent lamp base 11 in the board so that it would not need a fuse.
  • Two or even three centering extensions 12 with corresponding ones are preferred Spring tongues 10 if a particularly firm lamp seat is to be achieved.
  • Wire bracket 15 represents, the free ears 16,17 in bent by the circuit board 1 Side hooks 18, 19 and its central web 20 into the bend 21 of a Sidewall section 23 of the board 1 can be suspended.
  • the side wall section 23 also serves to push through the centering extension 12 of the bulb base 11 and the spring tongue 10 is also bent away from it.
  • the wire bracket 15 is free and the bulb base 11 including the bulb can can be tipped from the board 1, it being preferred that the component tolerances are so to coordinate with each other that the bulb socket with a click in the Circuit board snaps in (change of light bulb in the dark).
  • the construction according to the invention enables free air circulation between Reflector and incandescent lamp holder and lamp base, so an excellent Cooling, i.e. Dissipation of the heat generated by the light bulb.
  • the edge 22 of the bulb base 11 can also be pressed in Radial beads may be provided which have a local line contact between the edge 22 and the circuit board 1 result, air circulation being possible in the spaces.
  • the incandescent lamp holder board 1 has something for the sake of rigidity flanged edge on the side of the reflector rear wall with the board attached points, the flanging prevents cable shearing.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP00890076A 1999-04-07 2000-03-15 Projecteur pour véhicule Expired - Lifetime EP1043544B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0022899U AT3839U1 (de) 1999-04-07 1999-04-07 Kfz-scheinwerfer
AT22899U 1999-04-07

Publications (3)

Publication Number Publication Date
EP1043544A2 true EP1043544A2 (fr) 2000-10-11
EP1043544A3 EP1043544A3 (fr) 2001-12-12
EP1043544B1 EP1043544B1 (fr) 2007-07-04

Family

ID=3484970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00890076A Expired - Lifetime EP1043544B1 (fr) 1999-04-07 2000-03-15 Projecteur pour véhicule

Country Status (3)

Country Link
EP (1) EP1043544B1 (fr)
AT (1) AT3839U1 (fr)
DE (1) DE50014449D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1388710A1 (fr) * 2002-08-08 2004-02-11 Valeo Vision Dispositif réflecteur pour projecteur de véhicule automobile

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885668A (en) * 1988-06-17 1989-12-05 Mag Instrument, Inc. Heat shield
DE8905535U1 (de) * 1989-05-02 1989-06-29 Torringen, Hans, 5060 Bergisch-Gladbach Halbkugelförmige Reflektorschale aus Metall für Halogenlampen
US5095410A (en) * 1991-08-06 1992-03-10 General Motors Corporation Retainer arrangement for a replaceable lamp bulb assembly
GB2280018A (en) * 1993-07-13 1995-01-18 Britax Vega Ltd Bulb supporting device
DE19739117A1 (de) * 1997-09-06 1999-03-11 Hella Kg Hueck & Co Halterung einer Lampe in einer Öffnung eines Reflektors eines Fahrzeugscheinwerfers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1388710A1 (fr) * 2002-08-08 2004-02-11 Valeo Vision Dispositif réflecteur pour projecteur de véhicule automobile
FR2843442A1 (fr) * 2002-08-08 2004-02-13 Valeo Vision Dispositif reflecteur pour projecteur de vehicule automobile

Also Published As

Publication number Publication date
DE50014449D1 (de) 2007-08-16
EP1043544B1 (fr) 2007-07-04
EP1043544A3 (fr) 2001-12-12
AT3839U1 (de) 2000-08-25

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