EP1010935A2 - Vehicle headlamp - Google Patents

Vehicle headlamp Download PDF

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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
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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)
French (fr)
Other versions
EP1010935A3 (en
EP1010935B1 (en
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
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Publication date
Application filed by Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP1010935A2 publication Critical patent/EP1010935A2/en
Publication of EP1010935A3 publication Critical patent/EP1010935A3/en
Application granted granted Critical
Publication of EP1010935B1 publication Critical patent/EP1010935B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/686Blades, i.e. screens moving in a vertical plane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/62Illuminating 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)

Abstract

The head lamp has a cup-shaped reflector (1) with an associated light source and a screen arrangement between the light source and a lens for producing several screened light figures. The screen arrangement has a fixed screen (3) for main beam, a first adjustable screen (4) for asymmetric dipped beam and a second adjustable screen (5) for producing a symmetric beam with the first adjustable screen in its active position.

Description

Die Erfindung bezieht sich auf einen Scheinwerfer für Fahrzeuge mit einem schalenförmigen Reflektor, mit einer dem schalenförmigen Reflektor zugeordneten Lichtquelle, mit einer zwischen der Lichtquelle und einer Linse angeordneten und zur Erzeugung von mehreren abgeblendeten Lichtfiguren dienenden Blendenvorrichtung, welche eine feststehende Blende für Fernlicht und eine erste verstellbare Blende für asymmetrisches Abblendlicht aufweist.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.

Ein solcher Scheinwerfer für Fahrzeuge ist aus der EP 0 723 108 bekannt. Der schalenförmige Reflektor ist ellipsoidförmig gestaltet, und zwischen dem Reflektor und der Linse sind zwei Blenden angeordnet. Die eine Blende ist feststehend ausgeführt und weist eine Blendenkante für Fernlicht auf, während die andere Blende verstellbar ist und eine Blendenkante für asymmetrisches Licht aufweist. Die beiden Blenden sind plattenförmig ausgeführt, wobei die feststehende Blende und die andere Blende in ihrer Aktivstellung quer zur Lichtaustrittsrichtung verläuft. Die verstellbare Blende ist um eine Achse verstellbar, die benachbart und parallel zur feststehenden Blende verläuft, und überragt in ihrer Aktivstellung die Blendenkante der feststehenden Blende. Weiterhin ist ein asymmetrisches Licht für Rechts- und Linksverkehr erzeugbar. Dies ist durch ein Verschwenken der verstellbaren Blende in zwei Stellungen möglich. Dabei schwenkt die Blende um eine in Lichtaustrittsrichtung verlaufende Achse. Um die verstellbare Blende in die vorstehend beschriebenen vier Stellungen zu bewegen, sind eine bzw. mehrere aufwendig gebaute Verstelleinrichtungen notwendig. Außerdem ist eine genaue Positionierung der Blende bei den vier möglichen Einstellungen nicht sicher.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. Furthermore is 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 aperture in the four possible settings is not for sure.

Bei dem aus der EP 0 864 804 bekannten Scheinwerfer für Fahrzeuge weist eine feststehende Blende eine Blendenkante für Fernlicht und eine verstellbare Blende eine Blendenkante für asymmetrisches Abblendlicht auf. Die verstellbare Blende ist an der feststehenden Blende um eine Achse verschwenkbar gelagert. Die Achse verläuft parallel zur optischen Achse des Reflektors und durch einen seitlichen Bereich der feststehenden Blende hindurch.In the headlight for vehicles known from EP 0 864 804, 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.

Aus der DE 39 03 631 C1 ist ein Scheinwerfer für Fahrzeuge bekannt geworden, bei dem eine feststehende Blende mit einer Blendenkante für asymmetrisches Licht und eine verstellbare Blende zwischen einem Reflektor und einer Linse angeordnet sind. Beide Blenden sind plattenförmig ausgeführt und verlaufen quer zur Lichtaustrittsrichtung. Die verstellbare Blende ist um eine Achse schwenkbar, die durch einen seitlichen Bereich der feststehenden Blende hindurch geht. In der inaktiven Stellung der verstellbaren Blende verläuft ihre Blendenkante unterhalb der Blendenkante der feststehenden Blende, während die verstellbare Blende in ihrer aktiven Stellung zusammen mit der feststehenden Blende eine Blendenkante für symmetrisches Licht aufweist.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.

Aufgabe der Erfindung ist es nun, den im Oberbegriff beschriebenen Scheinwerfer für Fahrzeuge derart zu gestalten, daß sowohl zwischen Fernlicht und asymmetrischem Licht (für Rechts- bzw. Linksverkehr) als auch zwischen Fernlicht und symmetrischem Licht schaltbar ist und trotzdem die Blende für symmetrisches Licht nur in zwei Stellungen verstellbar ist.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.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß eine zweite verstellbare Blende der Blendenvorrichtung zur Erzeugung eines symmetrischen Lichts in der Aktivstellung der ersten Blende dient und, in Lichtaustrittsrichtung gesehen, in einen an die erste Blende angrenzenden Bereich verstellbar ist, der zur Erzeugung der weitreichenden Lichtstrahlen des asymmetrischen Lichts dient, wobei die erste und zweite Blende in ihrer Aktivstellung zur Erzeugung einer Hell-Dunkel-Grenze für das symmetrische Licht eine gemeinsame Blendenkante aufweisen und die zweite Blende mit ihrem unteren Rand zu einem Blendenkantenabschnitt der ersten Blende angrenzend verläuft. Bei nur zwei möglichen Einstellungen der verstellbaren Blende für asymmetrisches Licht ist eine genaue Positionierung der Blende in ihrer Aktivstellung sicher. Außerdem kann die Einstelleinrichtung der ersten Blende einfach ausgeführt sein, da nur zwei Einstellungen nötig sind. Die zweite Blende ist nur dann in ihre aktive Stellung zu verstellen, wenn zum Beispiel ein Fahrzeug für Rechtsverkehr vorübergehend in ein Land für Linksverkehr kommt. In der aktiven Stellung der ersten Blende besteht dann statt dem asymmetrischen Licht symmetrisches Licht. In der inaktiven Stellung der ersten Blende bleibt die zweite Blende in ihrer Stellung stehen und steht somit im Fernlichtkegel. Trotzdem wirkt sich die zweite Blende für das Fernlichtbündel nicht störend aus, da sie in Lichtaustrittsrichtung nur sehr schmal ausgeführt ist.This object is achieved according to the invention in that 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. With only two possible settings of the adjustable aperture for asymmetrical light an exact positioning of the cover in its active position. Moreover the adjustment of the first panel can be carried out simply because only two settings are necessary. 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.

In diesem Zusammenhang ist es weiterhin vorteilhaft, wenn die zweite Blende stabförmig und im Querschnitt rechteckförmig ausgeführt ist und mit schmalen Seitenflächen quer zur Lichtaustrittsrichtung verläuft. Eine stabförmige Blende ist kostengünstig aus einem Blech herstellbar.In this context, it is also advantageous if 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.

Die Blendenvorrichtung ist einfach aufgebaut, wenn die erste, zweite und die feststehende Blende in ihrer Hauptausdehnung quer zur optischen Achse des Reflektors verlaufen, wobei die erste und zweite Blende in ihrer inaktiven Stellung unterhalb der Blendenkante der feststehenden Blende angeordnet sind. Die feststehende Blende kann so großflächig ausgeführt sein, daß sie mit ihrem äußeren Rand an dem vorderen Rand des Reflektors befestigt ist. Dadurch bilden die feststehende Blende und der Reflektor eine stabile Einheit.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.

Die Blenden sind genau zueinander positionierbar, wenn die erste und die zweite Blende an der feststehenden Blende verstellbar gelagert sind. Die Blenden bilden somit eine an dem Reflektor festsetzbare Baueinheit. In diesem Zusammenhang ist es weiterhin vorteilhaft, wenn die erste und zweite Blende um beabstandete Achsen schwenkbar sind, die parallel zur optischen Achse verlaufen und durch einen seitlichen Bereich der feststehenden Blende hindurch gehen. Dadurch baut die Blendenvorrichtung sehr kompakt, insbesondere dann, wenn die zweite Blende zwischen der ersten und der feststehenden Blende angeordnet ist. Die Blendenvorrichtung ist kostengünstig herstellbar, wenn die erste Blende durch einen elektrischen Aktor und die zweite Blende durch eine manuell betätigbare Rastvorrichtung in eine aktive und inaktive Stellung schwenkbar sind. Die manuelle Rastvorrichtung für die zweite Blende ist sinnvoll, da diese in der Regel nur sehr selten benutzt wird.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. In this context it is also advantageous if 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.

Ein Ausführungsbeispiel nach der Erfindung ist in der Zeichnung dargestellt, und zwar zeigt

  • Figur 1 in einer perspektivischen Ansicht einen Scheinwerfer für Fahrzeuge mit einer zwischen einem schalenförmigen Reflektor und einer Linse angeordneten Blendenvorrichtung;
  • Figur 2 eine Ansicht aus Richtung X in Figur 1 auf die Blendenvorrichtung, bei der eine erste verstellbare Blende in einer aktiven Stellung zur Erzeugung eines asymmetrischen Lichts dient;
  • Figur 3 eine Ansicht aus Richtung X in Figur 1 auf die Blendenvorrichtung, bei der die erste Blende inaktiv ist und eine feststehende Blende zur Erzeugung eines Fernlichtbündels dient und bei der eine schmale zweite verstellbare Blende oberhalb und in einem Abstand zur Blendenkante für Fernlicht angeordnet ist;
  • Figur 4 eine Ansicht aus Richtung X in Figur 1 auf die Blendenvorrichtung, bei der die erste und zweite Blende in ihrer aktiven Stellung angeordnet sind und zusammen eine Blendenkante für symmetrisches Licht bilden;
  • Figur 5 in einer Teilansicht einen Schnitt durch ein Schwenklager, welches zwischen der ersten und der feststehenden Blende besteht und
  • Figur 6 in einer Teilansicht einen Schnitt durch ein zwischen der feststehenden und der zweiten Blende bestehendes Schwenklager, in welches eine Rastvorrichtung integriert ist.
  • An embodiment of the invention is shown in the drawing, namely shows
  • FIG. 1 shows a perspective view of a headlight for vehicles with a diaphragm device arranged between a cup-shaped reflector and a lens;
  • FIG. 2 shows a view from the direction X in FIG. 1 of the diaphragm device, in which a first adjustable diaphragm in an active position is used to generate asymmetrical light;
  • 3 shows a view from the direction X in FIG. 1 of the diaphragm device, in which the first diaphragm is inactive and a fixed diaphragm is used to produce a high beam and in which a narrow second adjustable diaphragm is arranged above and at a distance from the diaphragm edge for high beam;
  • 4 shows a view from the direction X in FIG. 1 of the diaphragm device, in which the first and second diaphragms are arranged in their active position and together form a diaphragm edge for symmetrical light;
  • Figure 5 is a partial view of a section through a pivot bearing which exists between the first and the fixed diaphragm and
  • Figure 6 is a partial view of a section through an existing between the fixed and the second panel pivot bearing, in which a locking device is integrated.
  • Der Scheinwerfer für Fahrzeuge besteht aus einem Projektionsmodul, welches in ein Scheinwerfergehäuse (nicht dargestellt) einsetzbar ist. Das Projektionsmodul weist einen ellipsoidförmigen Reflektor (1) auf. Der Reflektor ist aus Magnesiumdruckguß hergestellt und trägt die von einer Gasentladungslampe gebildete Lichtquelle, welche in einem Brennort des Reflektors (1) angeordnet ist. Auf der Rückseite des Reflektors (1) ist ein elektrischer Anschlußstecker (14) und ein Haltering (15) für die Gasentladungslampe angeordnet. Der Reflektor (1) trägt an seinem vorderen Rand (16) einen tischförmigen Linsenhalter (17). Der Linsenhalter (17) ist mit dem freien Ende seiner Tischbeine an dem vorderen Rand (16) des Reflektors mittels Schrauben befestigt. In eine zentrale Öffnung des Linsenhalters ist eine Linse (18) angeordnet. Eine zwischen der Linse (18) und der Lichtquelle (2) angeordnete Blendenvorrichtung weist eine feststehende Blende (3), eine erste verstellbare Blende (4) und eine zweite verstellbare Blende (5) auf. Die feststehende Blende (3) und die erste Blende (4) sind plattenförmig und aus Blech hergestellt. Die feststehende Blende (3) ist mit ihrem äußeren umlaufenden Rand an dem vorderen Rand (16) des Reflektors (1) befestigt. Die feststehende Blende (3) weist eine nach unten durchgebogene Blendenkante (9) für Fernlicht auf. Die erste verstellbare Blende (4) ist ebenfalls plattenförmig und aus Blech hergestellt. Die erste Blende dient zur Erzeugung eines asymmetrischen Abblendlichts und weist einen auf höherem Niveau und niedrigerem Niveau verlaufenden Kantenabschnitt (19 bzw. 8) auf. An den auf niedrigerem Niveau verlaufenden Kantenabschnitt (6) grenzt der Bereich an, welcher zur Erzeugung des weiterreichenden Lichtteils des asymmetrischen Lichts dient. Die erste Blende (4) ist um eine Achse (10) verschwenkbar, welche parallel zur optischen Achse des Reflektors (1) verläuft und durch einen seitlichen Bereich der feststehenden Blende (3) hindurch geht. Unterhalb der ersten Blende ist ein an der feststehenden Blende befestigter elektrischer Aktor (12) angeordnet. Der elektrische Aktor ist über einen Stößel (20) mit der ersten Blende gekoppelt. Durch den Aktor (12) ist die erste Blende in eine aktive Stellung, in welcher ihre Blendenkante zur Erzeugung des asymmetrischen Lichts dient, und in eine inaktive Stellung, in welcher ihre Blendenkante unterhalb der Blendenkante (9) der feststehenden Blende (3) angeordnet ist, verstellbar. Eine zweite verstellbare Blende (5) ist zwischen der feststehenden Blende (3) und der ersten Blende (4) angeordnet. Die zweite Blende (5) ist stabförmig und im Querschnitt rechteckförmig ausgeführt. Die zweite Blende (5) besteht ebenfalls, wie die beiden anderen Blenden (3, 4), aus Blech. Die zweite Blende (5) ist um eine Achse (11) verschwenkbar an der feststehenden Blende (3) gelagert. Die Achse (11) verläuft benachbart zur Achse (10) und geht durch den äußeren Rand der feststehenden Blende (3) hindurch. Die Achse (11) ist durch ein Schwenklager und eine Rastvorrichtung (13) gebildet. Die Rastvorrichtung (13) ist von Hand zugänglich und ermöglicht es, die zweite Blende (5) in eine aktive und inaktive Stellung zu verschwenken. In der inaktiven Stellung verläuft die zweite Blende unterhalb der Blendenkante (9) für Fernlicht, während sie in der aktiven Stellung in einem Abstand oberhalb der Blendenkante (9) für Fernlicht verläuft. Die zweite Blende (5) und die erste Blende (4) erzeugen zusammen in der aktiven Stellung eine Blendenkante (7) zur Erzeugung eines symmetrischen Abblendlichts. Bei inaktiver erster Blende (4) steht die aktive zweite Blende (5) im Fernlichtbündel. 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). On the on lower-level edge section (6) adjoins the area which is used to generate the far-reaching light part of the asymmetrical Light serves. 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. Below the first aperture is an electrical actuator (12) attached to the fixed panel arranged. The electrical actuator is via a plunger (20) with the first panel coupled. By the actuator (12), 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. When the first aperture (4) is inactive, the active second aperture (5) is in the High beam.

    BezugszeichenlisteReference list Scheinwerfer für FahrzeugeHeadlights for vehicles

    11
    Reflektorreflector
    22nd
    LichtquelleLight source
    33rd
    feststehende Blendefixed aperture
    44th
    erste Blendefirst aperture
    55
    zweite Blendesecond aperture
    66
    BereichArea
    77
    BlendenkanteAperture edge
    88th
    KantenabschnittEdge section
    99
    BlendenkanteAperture edge
    1010th
    Achseaxis
    1111
    Achseaxis
    1212th
    AktorActuator
    1313
    RastvorrichtungLocking device
    1414
    elektrischer Anschlußsteckerelectrical connector
    1515
    HalteringRetaining ring
    1616
    vorderer Randfront edge
    1717th
    Linsenhalter Lens holder
    1818th
    Linselens
    1919th
    KantenabschnittEdge section
    2020th
    StößelPestle

    Claims (10)

    Scheinwerfer für Fahrzeuge mit einem schalenförmigen Reflektor (1), mit einer dem schalenförmigen Reflektor (1) zugeordneten Lichtquelle (2), mit einer zwischen der Lichtquelle (2) und einer Linse (18) angeordneten und zur Erzeugung von mehreren abgeblendeten Lichtfiguren dienenden Blendenvorrichtung, welche eine feststehende Blende (3) für Fernlicht und eine erste verstellbare Blende (4) für asymmetrisches Abblendlicht aufweist, dadurch gekennzeichnet, daß eine zweite verstellbare Blende (5) der Blendenvorrichtung in der Aktivstellung der ersten Blende (4) zur Erzeugung eines symmetrischen Lichtes dient und, in Lichtaustrittsrichtung gesehen, in einen an die erste Blende (4) angrenzenden Bereich (6) verstellbar ist, der zur Erzeugung der weitreichenden Lichtstrahlen des asymmetrischen Lichts dient, wobei die erste und zweite Blende (4, 5) in ihrer Aktivstellung zur Erzeugung einer Hell-Dunkel-Grenze für das symmetrische Licht eine gemeinsame Blendenkante (7) aufweisen und die zweite Blende (5) mit ihrem unteren Rand zu einem Blendenkantenabschnitt (8) der ersten Blende (4) angrenzend verläuft.Headlights for vehicles with a bowl-shaped reflector (1), with a light source (2) associated with the bowl-shaped reflector (1), with one arranged between the light source (2) and a lens (18) and for Generation of several dimmed light figures serving Aperture device, which has a fixed aperture (3) for high beam and has a first adjustable diaphragm (4) for asymmetrical low beam, characterized in that a second adjustable diaphragm (5) Aperture device in the active position of the first aperture (4) for generation serves a symmetrical light and, seen in the light exit direction, in an area (6) adjoining the first screen (4) is adjustable, the to generate the long-range light rays of asymmetrical light serves, the first and second diaphragm (4, 5) in their active position for Generation of a cut-off for the symmetrical light Have common diaphragm edge (7) and the second diaphragm (5) with your lower edge to a panel edge section (8) of the first panel (4) runs adjacent. Scheinwerfer nach Anspruch 1, dadurch gekennzeichnet, daß die zweite Blende (5) stabförmig ausgeführt ist.Headlight according to claim 1, characterized in that the second Aperture (5) is rod-shaped. Scheinwerfer für Fahrzeuge nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die stabförmige zweite Blende (5) im Querschnitt rechteckförmig ausgeführt ist und mit schmalen Seitenflächen quer zur Lichtaustrittsrichtung verläuft.Headlights for vehicles according to claim 1 or 2, characterized characterized in that the rod-shaped second diaphragm (5) in cross section is rectangular and with narrow sides across Direction of light exit. Scheinwerfer für Fahrzeuge nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die erste, die zweite und die feststehende Blende (4, 5 und 3) in ihren Hauptausdehnungen quer zur optischen Achse des Reflektors (1) verlaufen, wobei die erste und die zweite Blende (4, 5) in ihrer aktiven Stellung unterhalb der Blendenkante (9) der feststehenden Blende (3) angeordnet sind.Headlights for vehicles according to one of claims 1 to 3, characterized characterized in that the first, the second and the fixed diaphragm (4, 5 and 3) in their main dimensions transverse to the optical axis of the reflector (1) run, the first and the second diaphragm (4, 5) being active Position below the diaphragm edge (9) of the fixed diaphragm (3) are arranged. Scheinwerfer für Fahrzeuge nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die erste und zweite Blende (4, 5) an der feststehenden Blende (3) verstellbar gelagert sind.Headlights for vehicles according to one of claims 1 to 4, characterized characterized in that the first and second diaphragm (4, 5) on the fixed Cover (3) are adjustable. Scheinwerfer für Fahrzeuge nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die erste und zweite Blende (4, 5) jeweils über ein separates Schwenklager mit der feststehenden Blende (3) verbunden sind.Headlights for vehicles according to one of claims 1 to 5, characterized characterized in that the first and second diaphragm (4, 5) each have a separate pivot bearing are connected to the fixed panel (3). Scheinwerfer für Fahrzeuge nach Anspruch 6, dadurch gekennzeichnet, daß die erste und zweite Blende (4, 5) um eine Achse (10 bzw. 11) schwenkbar sind, die parallel zur optischen Achse des Reflektors (1) verlaufen.Headlights for vehicles according to claim 6, characterized in that the first and second diaphragms (4, 5) can be pivoted about an axis (10 or 11) are parallel to the optical axis of the reflector (1). Scheinwerfer für Fahrzeuge nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die erste und zweite Blende (4, 5) durch einen seitlichen Bereich der feststehenden Blende hindurch verlaufen und mit ihrem freien Ende von diesem seitlichen Bereich wegweisen.Headlights for vehicles according to one of claims 1 to 7, characterized characterized in that the first and second diaphragm (4, 5) by a run through the side area of the fixed panel and with her Point the free end away from this side area. Scheinwerfer für Fahrzeuge nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die zweite Blende (5) zwischen der ersten und der feststehenden Blende (4 und 3) angeordnet ist.Headlights for vehicles according to one of claims 1 to 8, characterized characterized in that the second aperture (5) between the first and the fixed aperture (4 and 3) is arranged. Scheinwerfer für Fahrzeuge nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die erste Blende (3) durch einen elektrischen Aktor (12) und die zweite Blende (5) durch eine manuell betätigbare Rastvorrichtung (13) in eine aktive und inaktive Stellung schwenkbar sind.Headlights for vehicles according to one of claims 1 to 9, characterized characterized in that the first diaphragm (3) by an electrical actuator (12) and the second diaphragm (5) by means of a manually operable locking device (13) can be pivoted into an active and inactive position.
    EP99123881A 1998-12-17 1999-12-02 Vehicle headlamp Expired - Lifetime EP1010935B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19858225 1998-12-17
    DE19858225A DE19858225A1 (en) 1998-12-17 1998-12-17 Headlights for vehicles

    Publications (3)

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

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    ID=7891397

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99123881A Expired - Lifetime EP1010935B1 (en) 1998-12-17 1999-12-02 Vehicle headlamp

    Country Status (4)

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

    Cited By (2)

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    Publication number Priority date Publication date Assignee Title
    EP1640658A2 (en) * 2004-09-22 2006-03-29 Automotive Lighting Reutlingen GmbH Headlight with several dimmer screens
    EP1722162A2 (en) 2005-05-11 2006-11-15 Hella KG Hueck & Co. Vehicle headlamp

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    AT412994B (en) * 2000-10-25 2005-09-26 Zizala Lichtsysteme Gmbh VEHICLE HEADLIGHTS
    DE10125463A1 (en) 2001-05-25 2002-11-28 Hella Kg Hueck & Co Projection module for a vehicle headlight
    DE10125462A1 (en) * 2001-05-25 2002-11-28 Hella Kg Hueck & Co Projection module for a vehicle headlight
    DE10163376A1 (en) * 2001-12-21 2003-07-10 Hella Kg Hueck & Co Vehicle headlamp operates on projection principle and has lens attachment arrangement that is decoupled from reflector attachment arrangement
    DE10216177A1 (en) * 2002-04-12 2003-11-13 Hella Kg Hueck & Co Projecting module for motor vehicle headlamp has reflector with source of light and lens set up in beam alignment with it and high-beam screen for lens
    DE102005021706A1 (en) * 2005-05-11 2006-11-16 Hella Kgaa Hueck & Co. Projection headlights for vehicles
    DE102006059903A1 (en) * 2006-12-19 2008-06-26 Hella Kgaa Hueck & Co. Projection headlights for vehicles

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    DE3903631C1 (en) 1989-02-08 1990-07-05 Hella Kg Hueck & Co, 4780 Lippstadt, De
    EP0723108A1 (en) 1995-01-17 1996-07-24 Robert Bosch Gmbh Vehicle headlamp
    EP0864804A2 (en) 1997-02-28 1998-09-16 Hella KG Hueck & Co. Remote controllable adjusting system for the shade of a vehicle headlamp

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    DE4407108C2 (en) * 1993-06-30 2003-03-13 Bosch Gmbh Robert Vehicle headlights with an adjustable aperture arrangement
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    DE3903631C1 (en) 1989-02-08 1990-07-05 Hella Kg Hueck & Co, 4780 Lippstadt, De
    EP0723108A1 (en) 1995-01-17 1996-07-24 Robert Bosch Gmbh Vehicle headlamp
    EP0864804A2 (en) 1997-02-28 1998-09-16 Hella KG Hueck & Co. Remote controllable adjusting system for the shade of a vehicle headlamp

    Cited By (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1640658A2 (en) * 2004-09-22 2006-03-29 Automotive Lighting Reutlingen GmbH Headlight with several dimmer screens
    EP1640658A3 (en) * 2004-09-22 2007-06-20 Automotive Lighting Reutlingen GmbH Headlight with several dimmer screens
    EP1722162A2 (en) 2005-05-11 2006-11-15 Hella KG Hueck & Co. Vehicle headlamp
    EP1722162A3 (en) * 2005-05-11 2008-08-27 Hella KG Hueck & Co. Vehicle headlamp

    Also Published As

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

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