EP1010935A2 - Projecteur por véhicules - Google Patents

Projecteur por véhicules Download PDF

Info

Publication number
EP1010935A2
EP1010935A2 EP99123881A EP99123881A EP1010935A2 EP 1010935 A2 EP1010935 A2 EP 1010935A2 EP 99123881 A EP99123881 A EP 99123881A EP 99123881 A EP99123881 A EP 99123881A EP 1010935 A2 EP1010935 A2 EP 1010935A2
Authority
EP
European Patent Office
Prior art keywords
diaphragm
aperture
headlights
fixed
light
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
EP99123881A
Other languages
German (de)
English (en)
Other versions
EP1010935B1 (fr
EP1010935A3 (fr
Inventor
Roland Dr. Lachmayer
Erwin Freudenreich
Detlef Korff
Wolfgang Hendrischk
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 KGaA Huek and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP1010935A2 publication Critical patent/EP1010935A2/fr
Publication of EP1010935A3 publication Critical patent/EP1010935A3/fr
Application granted granted Critical
Publication of EP1010935B1 publication Critical patent/EP1010935B1/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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/686—Blades, i.e. screens moving in a vertical plane
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/62—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution for adaptation between right-hand and left-hand traffic

Definitions

  • the invention relates to a headlight for vehicles with a cupped reflector, with a cupped reflector associated light source, with a between the light source and a lens arranged and to generate several dimmed light figures serving aperture device, which has a fixed aperture for high beam and has a first adjustable aperture for asymmetrical low beam.
  • Such a headlight for vehicles is known from EP 0 723 108.
  • the cup-shaped reflector is ellipsoidal, and between the reflector and the lens are arranged two diaphragms.
  • One aperture is fixed executed and has a diaphragm edge for high beam, while the other
  • the aperture is adjustable and has an edge for asymmetrical light.
  • the two panels are designed plate-shaped, with the fixed panel and the other aperture in its active position transverse to the direction of light emission runs.
  • the adjustable aperture is adjustable about an axis that is adjacent and runs parallel to the fixed aperture, and towers above in its active position the aperture edge of the fixed aperture.
  • an asymmetrical Light can be generated for right-hand and left-hand traffic. This is by pivoting the adjustable cover is possible in two positions.
  • the aperture swivels about an axis running in the direction of light emission. Around the adjustable aperture to move into the four positions described above, one or several complex built adjustment devices necessary. Besides, one is exact positioning of the
  • one has fixed aperture one edge for high beam and one adjustable Fade in an aperture edge for asymmetrical low beam.
  • the adjustable Aperture is mounted on the fixed aperture so that it can pivot about an axis.
  • the axis runs parallel to the optical axis of the reflector and through one lateral area of the fixed panel.
  • a headlight for vehicles has become known from DE 39 03 631 C1, where a fixed aperture with an aperture edge for asymmetrical Light and an adjustable aperture between a reflector and a lens are arranged. Both panels are plate-shaped and run across to the light exit direction.
  • the adjustable panel can be swiveled around an axis, that passes through a lateral area of the fixed diaphragm. In the the inactive position of the adjustable diaphragm runs below its diaphragm edge the diaphragm edge of the fixed diaphragm, while the adjustable diaphragm in their active position together with the fixed aperture Has aperture edge for symmetrical light.
  • the object of the invention is now that described in the preamble Design headlights for vehicles so that both between high beam and asymmetrical light (for right-hand or left-hand traffic) as well as between High beam and symmetrical light is switchable and still the cover for symmetrical light can only be adjusted in two positions.
  • a second adjustable aperture of the aperture device to generate a symmetrical Light in the active position of the first aperture serves and, in the light exit direction seen, is adjustable in an area adjacent to the first screen, the serves to generate the long-range light rays of asymmetrical light, the first and second diaphragms in their active position for generating a Light-dark boundary for the symmetrical light a common diaphragm edge have and the second panel with its lower edge to one Diaphragm edge section of the first diaphragm runs adjacent.
  • the second aperture is only active in it Adjust position if, for example, a vehicle for right-hand traffic temporarily comes to a country for left-hand traffic. In the active position of the The first aperture then consists of symmetrical light instead of asymmetrical light. When the first aperture is inactive, the second aperture remains in its Stand position and is thus in the high beam cone. Nevertheless, the second has an effect Aperture for the high beam is not distracting, since it is in the direction of light emission is very narrow.
  • the second aperture is rod-shaped and rectangular in cross-section and narrow Side surfaces run transversely to the light exit direction.
  • a rod-shaped aperture is Can be produced inexpensively from sheet metal.
  • the aperture device is simple in construction when the first, second and fixed aperture in its main dimension transverse to the optical axis of the Reflector run, the first and second diaphragm in their inactive position are arranged below the diaphragm edge of the fixed diaphragm.
  • the fixed aperture can be so large that it with your outer edge is attached to the front edge of the reflector. Form thereby the fixed aperture and the reflector form a stable unit.
  • the panels can be positioned exactly in relation to each other when the first and the second Aperture on the fixed panel are adjustable.
  • Form the bezels thus a unit that can be fixed on the reflector.
  • the first and second diaphragms are spaced apart Axes are pivotable, which run parallel to and through the optical axis go through a side portion of the fixed bezel.
  • This builds the aperture device is very compact, especially when the second Aperture is arranged between the first and the fixed aperture.
  • the Aperture device is inexpensive to manufacture when the first aperture an electrical actuator and the second panel by a manually operated Latching device can be pivoted into an active and inactive position.
  • the Manual locking device for the second screen is useful, as this is usually is used very rarely.
  • the headlight for vehicles consists of a projection module, which in a headlight housing (not shown) can be used.
  • the projection module has an ellipsoidal reflector (1).
  • the reflector is off Magnesium die-cast manufactured and carried by a gas discharge lamp formed light source, which is arranged in a focal point of the reflector (1).
  • On the back of the reflector (1) is an electrical connector (14) and a retaining ring (15) for the gas discharge lamp is arranged.
  • the reflector (1) carries on its front edge (16) a table-shaped lens holder (17).
  • the Lens holder (17) is with the free end of its table legs on the front Edge (16) of the reflector fastened with screws. In a central opening a lens (18) is arranged on the lens holder.
  • One between the lens (18) and the light source (2) arranged diaphragm device has a fixed Panel (3), a first adjustable panel (4) and a second adjustable panel (5) on.
  • the fixed screen (3) and the first screen (4) are plate-shaped and made of sheet metal.
  • the fixed panel (3) is with its outer peripheral edge attached to the front edge (16) of the reflector (1).
  • the fixed diaphragm (3) has a diaphragm edge (9) which is bent downwards for high beam on.
  • the first adjustable diaphragm (4) is also plate-shaped and made of sheet metal.
  • the first aperture is used to create a asymmetrical low beam and has a higher level and lower-level edge section (19 or 8).
  • the first diaphragm (4) can be pivoted about an axis (10) which runs parallel to the optical axis of the reflector (1) and through a lateral one Area of the fixed aperture (3) goes through.
  • an electrical actuator (12) attached to the fixed panel arranged below the first aperture. The electrical actuator is via a plunger (20) with the first panel coupled.
  • the first diaphragm is in an active position, in which their diaphragm edge is used to generate asymmetrical light, and in an inactive position, in which its aperture edge below the Diaphragm edge (9) of the fixed diaphragm (3) is arranged, adjustable.
  • a second adjustable diaphragm (5) is between the fixed diaphragm (3) and the first aperture (4) arranged.
  • the second screen (5) is rod-shaped and in Cross-section rectangular.
  • the second panel (5) also exists, like the other two panels (3, 4), made of sheet metal.
  • the second aperture (5) is over an axis (11) is pivotally mounted on the fixed diaphragm (3).
  • the Axis (11) runs adjacent to axis (10) and goes through the outer edge the fixed aperture (3).
  • the axis (11) is through a Swivel bearing and a locking device (13) are formed.
  • the locking device (13) is accessible by hand and enables the second screen (5) in an active and to pivot inactive position.
  • the second is in the inactive position Aperture below the aperture edge (9) for high beam while in the active Position at a distance above the diaphragm edge (9) for high beam.
  • the second screen (5) and the first screen (4) together produce in the active position a diaphragm edge (7) to generate a symmetrical Low beam.
  • the active second aperture (5) is in the High beam.

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)
EP99123881A 1998-12-17 1999-12-02 Projecteur pour véhicules Expired - Lifetime EP1010935B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19858225A DE19858225A1 (de) 1998-12-17 1998-12-17 Scheinwerfer für Fahrzeuge
DE19858225 1998-12-17

Publications (3)

Publication Number Publication Date
EP1010935A2 true EP1010935A2 (fr) 2000-06-21
EP1010935A3 EP1010935A3 (fr) 2001-10-17
EP1010935B1 EP1010935B1 (fr) 2003-03-19

Family

ID=7891397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99123881A Expired - Lifetime EP1010935B1 (fr) 1998-12-17 1999-12-02 Projecteur pour véhicules

Country Status (4)

Country Link
EP (1) EP1010935B1 (fr)
AT (1) ATE235021T1 (fr)
DE (2) DE19858225A1 (fr)
ES (1) ES2192016T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1722162A2 (fr) 2005-05-11 2006-11-15 Hella KG Hueck & Co. Projecteur pour véhicules
EP1640658A3 (fr) * 2004-09-22 2007-06-20 Automotive Lighting Reutlingen GmbH Projecteur avec plusieurs écrans

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412994B (de) * 2000-10-25 2005-09-26 Zizala Lichtsysteme Gmbh Fahrzeugscheinwerfer
DE10125462A1 (de) 2001-05-25 2002-11-28 Hella Kg Hueck & Co Projektionsmodul für einen Fahrzeugscheinwerfer
DE10125463A1 (de) * 2001-05-25 2002-11-28 Hella Kg Hueck & Co Projektionsmodul für einen Fahrzeugscheinwerfer
DE10163376A1 (de) * 2001-12-21 2003-07-10 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
DE10216177A1 (de) * 2002-04-12 2003-11-13 Hella Kg Hueck & Co Projektionsmodul für einen Fahrzeugscheinwerfer
DE102005021706A1 (de) * 2005-05-11 2006-11-16 Hella Kgaa Hueck & Co. Projektionsscheinwerfer für Fahrzeuge
DE102006059903A1 (de) * 2006-12-19 2008-06-26 Hella Kgaa Hueck & Co. Projektionsscheinwerfer für Fahrzeuge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3903631C1 (fr) 1989-02-08 1990-07-05 Hella Kg Hueck & Co, 4780 Lippstadt, De
EP0723108A1 (fr) 1995-01-17 1996-07-24 Robert Bosch Gmbh Projecteur pour véhicules
EP0864804A2 (fr) 1997-02-28 1998-09-16 Hella KG Hueck & Co. Système de réglage commandable à distance pour la cache d'un projecteur de véhicule

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4233032A1 (de) * 1992-10-01 1994-04-07 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
DE4407108C2 (de) * 1993-06-30 2003-03-13 Bosch Gmbh Robert Fahrzeugscheinwerfer mit einer verstellbaren Blendenanordnung
DE19643945C2 (de) * 1996-10-31 2001-04-05 Armin Orth Ellipsoidscheinwerfer für Kraftfahrzeuge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3903631C1 (fr) 1989-02-08 1990-07-05 Hella Kg Hueck & Co, 4780 Lippstadt, De
EP0723108A1 (fr) 1995-01-17 1996-07-24 Robert Bosch Gmbh Projecteur pour véhicules
EP0864804A2 (fr) 1997-02-28 1998-09-16 Hella KG Hueck & Co. Système de réglage commandable à distance pour la cache d'un projecteur de véhicule

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1640658A3 (fr) * 2004-09-22 2007-06-20 Automotive Lighting Reutlingen GmbH Projecteur avec plusieurs écrans
EP1722162A2 (fr) 2005-05-11 2006-11-15 Hella KG Hueck & Co. Projecteur pour véhicules
EP1722162A3 (fr) * 2005-05-11 2008-08-27 Hella KG Hueck & Co. Projecteur pour véhicules

Also Published As

Publication number Publication date
DE19858225A1 (de) 2000-06-21
EP1010935B1 (fr) 2003-03-19
ATE235021T1 (de) 2003-04-15
DE59904613D1 (de) 2003-04-24
EP1010935A3 (fr) 2001-10-17
ES2192016T3 (es) 2003-09-16

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