DE102011121603A1 - Headlight assembly for vehicle e.g. motor car, generates low beam distributions for left-hand and right-hand traffic of vehicle during two basic headlight setting - Google Patents

Abstract

The present invention relates to a headlamp assembly (11) for a vehicle (10) having a right headlamp unit (1) comprising at least one light source (3) and optical means (7, 8) for generating a first partial light emission (21) a front light-dark boundary of a low-beam light distribution (19) illuminates a first side area in front of the vehicle 10 and at the front light-dark boundary of the low-beam light distribution (19) substantially does not illuminate a second side area in front of the vehicle (10), and one left headlight unit (2) comprising at least one light source (3) and optical means (7, 8) for generating a second partial light emission (20) at the front light and dark boundary of the low beam distribution (19) the second side area in front of Vehicle illuminates (10) and the first side area at the front light-dark boundary of the low-beam light distribution (19) substantially does not illuminate. Here, the first side area is the right area at the front light-dark boundary, and the second side area is the left area at the front light-dark boundary, or the first side area is the left area at the front light-dark boundary and the second side area Side area The right area at the front cut-off. The headlight assembly (11) according to the invention is characterized in that it comprises at least one means (22) for adjusting the basic headlight range of the right and left headlamp unit (1, 2), the base headlight ranges being variable between at least two headlight range settings, wherein in the first headlight range adjustment Low beam light distribution (19-3) is produced for a right-hand traffic vehicle (10), and in the second base headlight range adjustment, a low beam distribution (19-2) is generated for a vehicle (10) designed for left-hand traffic. Furthermore, the invention relates to a method for producing such a headlight assembly (11) in a vehicle (10).

Description

The present invention relates to a headlamp assembly for a vehicle having a right headlamp unit comprising at least one light source and at least one optical device for generating a first partial light emission, which illuminates a first side area at a front light and dark boundary of a low beam distribution and at the front light Furthermore, the headlamp assembly comprises a left headlight unit comprising at least one light source and optical means for generating a second partial light emission, which at the front light and dark boundary of the low beam distribution, the second side area illuminates and does not substantially illuminate the first side area at the front light-dark boundary of the low beam distribution. Here, the first side area is the right area at the front light-dark boundary, and the second side area is the left area at the front light-dark boundary, or the first side area is the left area at the front light-dark boundary and the second side area Side area The right area at the front cut-off. Furthermore, the invention relates to a method for producing such a headlight assembly in a vehicle.

The headlights of a vehicle have the task, in poor visibility, especially in the dark, the environment in the direction of travel in front of the vehicle, in particular the road to illuminate. In addition, the headlights serve as a distinguishing feature for other road users.

It is known to provide for the light emission in the direction of travel headlights, which can provide a low beam function and a high beam function. The high beam function ensures a very comprehensive illumination of the environment. However, it has the disadvantage that other road users, especially the drivers of preceding and oncoming vehicles are dazzled. With the dipped beam, however, a light distribution can be generated, which does not dazzle other road users. However, the illumination of the environment is much lower than in the high beam function. The light distribution which is produced by the dipped-beam headlamp arrangement has a light-dark boundary. This light distribution can be generated in different ways. For example, the reflectors and optionally the lenses of a headlamp unit can be designed so that the desired light distribution is generated. Furthermore, it is known to shade the light emission of the light source, z. B. by suitable diaphragms or rollers. Such shadows can be pivoted into the light emission of the light source and swung out again. In this way, it is possible that the headlamp unit provides both the light distribution for a high beam function and for a low beam function.

In various countries, there are various provisions for the course of the cut-off of a dipped beam. In countries where motor vehicles use the right side of the road, for example, the cut-off line of the low beam is such that the headlight range on the right side is greater than on the left side. Conversely, there are countries in which motor vehicles use the left-hand side of the road, where the headlight range of the low beam on the left side is greater than on the right side. Further, there are countries where the beam width on the right and left sides is identical in the low-beam distribution.

In conventional headlamp assemblies, different versions of headlamp assemblies for each country are manufactured for each of the three aforementioned low beam distributions. The different versions of the headlamp arrangements differ z. As regards the optical devices of the individual headlight units for the right and left side of the vehicle. Disadvantageously, this increases the production costs for the production of the vehicle.

Further, there arises a problem when a vehicle whose headlamp assembly is designed to operate in a right-traffic traffic area is moved in a country where left-hand traffic is prescribed by law. In this case, the emission characteristic of the low beam, which has a larger light range on the right side, leads to dazzling of the road users on the opposite lane, which are located on the left hand traffic on the right side. For this solution of this problem is in the DE 103 04 062 A1 proposed a headlamp assembly for a motor vehicle having means for vertically lowering the light beam. In the transition of the vehicle from a traffic area with right-hand traffic into a traffic area with left-hand traffic, the change in the emission characteristic of the dipped beam can be achieved by simply vertically lowering the entire light beam for the dipped beam.

It is the object of the present invention to provide a headlamp assembly for a vehicle and a method for manufacturing a headlamp assembly in a vehicle, in which the manufacturing costs for the interpretation of Headlight assembly for a traffic area with right or left traffic are reduced.

According to the invention this object is achieved by a headlamp assembly having the features of claim 1 and a method having the features of claim 8. Advantageous embodiments and further developments emerge from the dependent claims.

The headlight assembly according to the invention has at least one device for adjusting the basic headlight range of the right and left headlamp unit. The basic headlights can be changed between at least two headlight range settings. In the first basic headlamp leveling, a low beam distribution is generated for a right-hand-traffic vehicle. In the second basic headlamp leveling, a low beam distribution is generated for a vehicle designed for left-hand traffic. By means of the adjustment, it is thus possible to produce a headlamp assembly for a vehicle for right-hand traffic or for left-hand traffic, without the structure of the two headlamp units must be changed.

In conventional headlight assemblies, the front cut-off of the full-beam low-beam distribution is produced by the light emission of both the left and right headlamp units. The low beam is usually generated by the left headlamp unit illuminating both the right and left portions of the low beam distribution. Likewise, the right headlamp unit illuminates both the right and left portions of the low beam distribution so that the low beam distribution, including the front cut-off, results from a superposition of the right and left headlamp unit light distributions.

In contrast, in the headlamp assembly according to the invention, the front light-dark boundary of the low beam distribution is divided into a right and a left side area. The right headlamp unit illuminates only the right side portion of the front light-dark boundary, and the left side portion of the front light-dark boundary is substantially off, and the left headlamp unit illuminates only the left side portion of the front light-dark boundary and does not substantially illuminate the right side portion of the front light-dark boundary. Alternatively, the illumination can also be cross-over, d. H. the right headlamp unit illuminates only the left side portion of the front light-dark boundary, and the right side portion of the front light-dark boundary is substantially off, and the left headlamp unit illuminates only the right side portion of the front light-dark boundary and does not substantially illuminate the left side portion of the front light-dark boundary.

The division into the right and left side region of the front light-dark boundary of the low beam thus relates in particular to the region of the low beam distribution with the largest illumination range. In areas with lower beam range, d. H. in the area in front of the vehicle or in a central area, it is not absolutely necessary that between the right and left partial light emission of the right and left headlamp unit is a sharp limit. This can also lead to a superposition of the partial light emissions of the right and left headlamp unit.

According to a development of the headlamp assembly according to the invention, in the first base headlamp setting, the basic headlamp range of the right headlamp unit is greater than the base headlamp range of the left headlamp unit, and in the second headlamp beam setting, the base headlamp range of the left headlamp unit is greater than the base headlamp range of the right headlamp unit. As a result, it is advantageously achieved that essentially a conventional dipped beam is generated by the headlamp arrangement with a larger light range on the side of the own roadway, but which does not have the so-called 15-degree increase of the conventional dipped beam distribution.

According to a further embodiment of the headlamp assembly according to the invention with the means for adjusting the basic headlamp range of the right and left headlamp unit, the headlights between three basic headlight range settings can be changed. In the third basic headlamp leveling, a low beam distribution is produced in which the basic headlamp range of the right and left headlamp units is the same. Advantageously, this ensures that the headlamp assembly can also be adapted to the use of the vehicle in a country in which it requires the provisions that the basic headlights in the right and left are equal, d. H. the low-beam light distribution has a horizontal cut-off when projected onto a vertical screen.

In accordance with a further embodiment of the headlight assembly according to the invention, the device for adjusting the basic headlight range mechanically pivots the right and / or the left headlight unit to adjust the basic headlight ranges. The pivoting takes place in particular about a horizontal axis. When mounting the Headlight units is thus made by means of the device mechanically a basic setting for the headlamp assembly. Regardless, however, it is possible that the headlight range of the headlamp assembly z. B. is changed by electrical pivoting of the headlamp units in the operation of the vehicle. In this case, however, the basic mechanical adjustment of the right and left headlamp unit remains. As a result, it is advantageously possible to provide a headlight arrangement for a vehicle for traffic areas with different provisions with regard to the cut-off line of the low-beam light distribution in a very cost-effective manner. In particular, the right and left headlamp units are identical. Depending on whether the vehicle is intended for a traffic area with right-hand traffic or with left-hand traffic or for a traffic area with a horizontal cut-off line for the dipped beam, they are installed with different pivoting angles about a horizontal axis in the vehicle. In this way, the production costs for different vehicle versions can be reduced.

In the headlamp assembly according to the invention, the means for adjusting the basic headlight range is designed in particular such that the headlight range settings can not be changed while the vehicle is running. The device is used in this case advantageously only the basic setting of the headlamp assembly during assembly of the vehicle.

According to another embodiment of the headlamp assembly according to the invention this includes a switch in the interior of the vehicle, which is coupled to the means for adjusting the headlights and with which the headlight range adjustment is selectable. The driver can in this way in a vehicle that z. B. designed for a traffic area with right-hand traffic is the basic headlights of the headlamp units change so that the vehicle is designed for a traffic area with left-hand traffic. This change in the basic headlamp leveling is independent of the general headlamp leveling of the headlamp assembly, which can compensate, for example, a swivel angle of the vehicle by different loads.

In the method according to the invention for producing a headlight assembly in a vehicle, a right and a left headlamp unit are produced. The right headlamp unit is mounted in the front right area of a body of the vehicle. The left headlamp unit is mounted in the front left area of the body of the vehicle. Subsequently, the right headlamp unit is aligned so that the light emission of the right headlamp unit produces a first partial light emission of a first or second base headlamp setting which illuminates a first side area at a front light-dark boundary of a low beam distribution and at the front light-dark boundary the low beam distribution substantially does not illuminate a second side area. The left headlamp unit is aligned such that the light emission of the left headlamp unit produces a second partial light emission of a first or second base headlamp setting which illuminates the second side area at the front light-dark boundary of the low beam distribution and the first side area in the front light-dark Limit of the low beam distribution does not substantially illuminate. Here, the first side area is the right area at the front light-dark boundary and the second side area is the left area at the front light-dark boundary or the first side area is the left area at the front light-dark boundary and the second side area the right area at the front light-dark border. In the first basic headlamp leveling, a low-beam distribution for a vehicle designed for right-hand traffic is thereby generated. On the other hand, in the second basic headlamp setting, a low beam distribution is generated for a vehicle designed for left-hand traffic.

By the method, in particular the above-described headlight assembly according to the invention is produced in the vehicle. The method thus has the same advantages as the headlight assembly according to the invention.

According to one embodiment of the method according to the invention, the right and the left headlamp unit are identical. The alignment of the right and / or left headlamp unit is effected in particular by pivoting the right and / or left headlamp unit in the body about a horizontal axis.

The invention will now be explained with reference to an embodiment with reference to the drawings.

1 shows a vehicle with an embodiment of the headlamp assembly according to the invention,

2 shows a headlamp unit of in 1 shown embodiment,

3 generally shows the emission characteristic of the dipped beam produced by the headlamp assembly,

4 shows the in 3 shown radiation characteristic on a screen,

5A shows a first light distribution on the road, which is generated by the first embodiment of the headlamp assembly according to the invention,

5B shows the in 5A shown light distribution on a screen,

6A shows a second light distribution for a vehicle in left-hand traffic on the road, which is generated by the first embodiment of the headlight assembly according to the invention,

6B shows the in 5A shown light distribution on a screen,

7A shows a third light distribution for a vehicle in right-hand traffic on the road, which is generated by the first embodiment of the headlight assembly according to the invention,

7B shows the in 5A shown light distribution on a screen,

8A shows a fourth light distribution for a vehicle with a dipped beam light distribution with horizontal cut-off on the road, which is generated by the first embodiment of the headlamp assembly according to the invention,

8B shows the in 5A shown light distribution on a screen,

9A shows the first light distribution on the road, which is generated by the second embodiment of the headlamp assembly according to the invention,

9B shows the in 9A shown light distribution on a screen,

10A shows the second light distribution for a vehicle in left-hand traffic on the road, which is generated by the second embodiment of the headlight assembly according to the invention,

10B shows the in 10A shown light distribution on a screen,

11A shows the third light distribution for a vehicle in right-hand traffic on the road, which is generated by the second embodiment of the headlight assembly according to the invention,

12B shows the in 12A shown light distribution on a screen,

13A shows the fourth light distribution for a vehicle with a dipped beam distribution with horizontal cut-off on the road, which is generated by the second embodiment of the headlamp assembly according to the invention, and

13B shows the in 13A shown light distribution on a screen.

In 1 is a vehicle 10 shown which the headlight assembly according to the invention 11 includes. The headlight arrangement 11 has a right headlamp unit 1 and a left headlamp unit 2 on. The structure of the right and left headlamp unit 1 . 2 is equal. The difference between the right and left headlamp unit 1 . 2 exists only with regard to the assembly in the body of the vehicle 10 , as explained later. Furthermore, the vehicle includes 10 a switch 23 with the different base headlight settings of the headlight units 1 and 2 the headlamp assembly 11 can be adjusted, as will be explained later.

In reference to 2 becomes the construction of the headlight units 1 . 2 explained in detail: the headlight units 1 . 2 are projection projectors 1 . 2 , A section through the projection headlight 1 . 2 in a plane aligned parallel to the plane defined by the vehicle longitudinal axis and a vertical is in 2 shown. The basic structure of the projection headlamp 1 . 2 is known per se. It includes a light source 3 from a reflector 6 is surrounded. The light source 3 is located in particular in the focal point of the reflector 6 , That from the light source 3 emitted light is emitted by the reflector 6 in the light emission direction L of the headlamp unit 1 . 2 in the direction of a projection lens 7 reflected. Between the light source 3 and the projection lens 7 is a blind 8th especially at the focal point of the projection lens 7 arranged. The normal of the flat aperture 8th is aligned substantially parallel to the light emission direction L. In the in 2 shown state of the aperture 8th the headlamp assembly produces a low beam distribution. To generate a high beam distribution, the aperture 8th from the beam path of the light emission of the light source 3 be swung out.

The light source 3 , the reflector 6 , the projection lens 7 and the aperture 8th are inside a housing 4 arranged by a lens 5 is completed. The housing 4 the headlamp unit 1 . 2 is on a wave 9 attached. By means of a device 22 can the case 4 the headlamp unit 1 . 2 around a horizontal axis 24 be pivoted, the z. B. within the rotary shaft 9 is arranged. By means of the device 22 For example, the swing angle can be locked mechanically at two pivot positions.

In 3 is generally the radiation characteristic of the low beam 19 shown which of the headlamp assembly 11 of the vehicle 10 is produced. The low beam distribution 19 has a cut-off line 14 on. At this light-dark border 14 there is a transition from one of the headlamp assembly 11 illuminated area to a non-illuminated area. In the non-illuminated area, the light emission of the headlight assembly, in particular so small that no other road users are dazzled. The light-dark border 14 includes a right chiaroscuro border 15 which is essentially parallel to the direction of travel of the vehicle 10 runs. At the front area 18 the low beam distribution 19 is a front light-dark border 17 educated. This runs substantially perpendicular to the direction of travel of the vehicle 10 , The front light-dark border 17 defines the lighting range of the low beam distribution 19 , It also includes the cut-off line 14 a left chiaroscuro border 16 , which is again substantially parallel to the direction of travel of the vehicle 10 is aligned.

In 4 is the in 3 shown low beam distribution 19 shown on a screen perpendicular to the axis of the vehicle 10 and is aligned to the roadway. The result is a horizontal orientation of the front cut-off 17 ,

It should be noted that the cut-off line 14 in any way from the headlight units 1 and 2 can be generated. In particular, it is not necessary that they be by means of a diaphragm 8th is produced. The light-dark border 14 can also be generated by other optical means.

Related to the 5 to 8th In the following, various light distributions are explained as a light-dark boundary on the road and as light distribution on a measuring screen, that of the first exemplary embodiment of the headlight assembly according to the invention 11 can be generated:
In 5A is the fundamental light distribution 19-1 the headlamp assembly 11 of the vehicle 10 shown according to the first embodiment. The right headlamp unit 1 produces a right partial light emission 21-1 , which is the right-hand area of light distribution 19-1 in front of the vehicle 10 including the right front area at the front light-dark border 17 Illuminates and the left area in front of the vehicle 10 essentially does not illuminate. The left headlamp unit 2 produces a left partial light emission 20-1 covering the left area of the light distribution 19-1 in front of the vehicle 10 including the left front area at the front light-dark border 17 illuminates and the right area in front of the vehicle 10 essentially does not illuminate. The headlights of the two partial light emissions 20-1 and 21-1 are at the in 5A shown adjustment of the adjustment 22 identical. In 5B becomes the light distribution 19-1 displayed on a vertical screen.

In 6A is now the setting of the headlamp assembly 11 of the vehicle 10 shown on a light-dark border, where the vehicle 10 is designed for left-hand traffic. The left partial light emission 20-2 corresponds to the related to 5A described left partial light emission 20-1 , The one from the right headlight unit 1 generated right partial light emission 21-2 differs, however, from the right partial light emission 21-1 of the 5A in that the basic illumination range is lower. In this way, essentially a basic setting for a conventional low-beam light distribution 19-2 of a vehicle 10 generated, which is designed for left-hand traffic. In 6B is this low beam distribution 19-2 for left-hand traffic shown on a screen.

To the low beam distribution 19-2 for the left-hand traffic was by means of the adjustment 22 the right headlight unit 1 brought into the pivoted down position. The left headlamp unit 2 On the other hand, it was moved to the upwardly pivoted position by means of the adjusting device 22 set. These settings were made during the assembly of the vehicle 10 performed. They will be during the operation of the vehicle 10 not changed automatically. It may possibly be optionally provided that upon actuation of the switch 23 these headlight range settings are changed when, for example, the vehicle 10 is moved in a traffic area in which legal traffic is prescribed.

In 7A is a vehicle 10 shown in which the headlamp assembly 11 is set for right-hand traffic. In this case was during the assembly of the vehicle 10 the left headlamp unit 2 by means of the adjusting device 22 pivoted in the lower pivot position, so that a left partial light emission 20-3 is generated, which has a lower basic illumination range. The right headlamp unit 1 was, however, by means of the adjustment 22 set to the upper pivot position so that the right of the headlamp unit 1 generated right partial light emission 21-3 has a larger base illumination range. The total produced low beam distribution 19-3 is for the operation of the vehicle 10 designed for legal traffic. In 7B is this low beam distribution 19-3 shown on a screen. It corresponds essentially to a known low-beam distribution of a conventional headlight assembly, in which the light distribution by an overlay of the headlight units 1 . 2 which is designed for legal traffic are generated, each of both the right and the left area in front of the vehicle 10 illuminate.

In 8A is finally an adjustment of the headlamp assembly 11 of the vehicle 10 shown in which a low beam distribution 19-4 is generated, in which the headlight range settings for the right and the left headlamp unit 1 . 2 are identical. In this case, the vehicle is 10 For example, designed for the traffic area in the US. The right headlamp unit 1 was during the assembly of the vehicle 10 by means of the adjusting device 22 adjusted to the lower pivot position, so that a right partial light emission 21-4 is generated with a lower basic illumination range. Similarly, the left headlamp unit 2 during the assembly of the vehicle 10 by means of the adjusting device 22 set to the lower pivot position so that a left partial light emission 20-4 is produced with a low basic illumination range. In 8B is the low beam distribution 19-4 shown on the screen. Clearly visible is the horizontal cut-off, which is lowered so that no other road users are dazzled.

In 9A is the fundamental light distribution 19-5 the headlamp assembly 11 of the vehicle 10 shown according to the second embodiment. The right headlamp unit 1 produces a partial light emission 21-5 at the front light-dark border 17 the low beam distribution 19-5 a left side panel 181 illuminates and at the front light-dark border 17 the right side area 18R essentially does not illuminate. The left headlamp unit 2 produces a partial light emission 20-5 at the front light-dark border 17 the right side area 18R illuminates and the left side area 18L at the front light-dark border 17 essentially does not illuminate. In contrast to the first embodiment, the second side embodiment thus becomes the front side regions 18R . 18L at the front light-dark border 17 cross illuminated.

The headlights of the two partial light emissions 20-5 and 21-5 are at the in 9A shown adjustment of the adjustment 22 identical. In 9B becomes the light distribution 19-5 displayed on a vertical screen.

In 10A is now the setting of the headlamp assembly 11 of the vehicle 10 according to the second embodiment shown by a light-dark boundary, in which the vehicle 10 is designed for left-hand traffic. The partial light emission 21-6 the right headlamp unit 1 corresponds to the related to 9A described partial light emission 21-5 , The one from the left headlight unit 2 generated partial light emission 20-6 differs, however, from the partial light emission 21-5 of the 9A in that the basic illumination range is lower. In this way, essentially a basic setting for a conventional low-beam light distribution 19-6 of a vehicle 10 generated, which is designed for left-hand traffic. In 10B is this turn light distribution 19-6 for left-hand traffic shown on a screen.

To the low beam distribution 19-6 for the left-hand traffic was created by means of the adjustment 22 the left headlamp unit 2 brought into the pivoted down position. The right headlamp unit 3 On the other hand, it was moved to the upwardly pivoted position by means of the adjusting device 22 set. These settings were made during the assembly of the vehicle 10 performed. They are not changed automatically during operation of the vehicle. It may possibly be optionally provided that upon actuation of the switch 23 these headlight range settings are changed when, for example, the vehicle 10 is moved in a traffic area in which legal traffic is prescribed.

In 11A is a vehicle 10 shown in which the headlamp assembly 11 is set for right-hand traffic. In this case was during the assembly of the vehicle 10 the right headlight unit 1 by means of the adjusting device 22 pivoted in the lower pivot position, so that a partial light emission 20-7 is generated, which has a lower basic illumination range. The left headlamp unit 2 was, however, by means of the adjustment 22 set to the upper pivot position so that the left headlight unit 2 generated partial light emission 20-7 has a larger base illumination range. The total produced low beam distribution 19-7 is for the operation of the vehicle 10 designed for legal traffic. In 11 is this low beam distribution 19-7 shown on a screen. It corresponds essentially to a known low-beam distribution of a conventional headlight assembly, in which the light distribution by an overlay of the headlight units 1 . 2 , which are designed for right-hand traffic, was generated, each of both the right and the left area in front of the vehicle 10 illuminate. However, the low beam distribution shows 19-7 not the 15 ° -Ast of a conventional low beam distribution.

In 12A is finally an adjustment of the headlamp assembly 11 of the vehicle 10 shown in which a low beam distribution 19-8 is generated, in which the headlight range settings for the right and the left headlamp unit 1 . 2 are identical. The right headlamp unit 1 was during the assembly of the vehicle 10 by means of the adjusting device 22 adjusted to the lower pivot position, so that a partial light emission 21-1 is generated with a lower basic illumination range. Similarly, the left headlamp unit 2 during the assembly of the vehicle 10 by means of the adjusting device 22 adjusted to the lower pivot position, so that a partial light emission 20-8 is produced with a low basic illumination range. In 12B is the low beam distribution 19-4 shown on the screen. Clearly visible is the horizontal cut-off, which is lowered so that no other road users are dazzled.

The following is the method of manufacturing the headlamp assembly 11 in the vehicle 10 explained according to the first embodiment:
First, in a known manner, the two identical headlamp units 1 and 2 produced. Subsequently, the headlamp unit 1 in the body of the vehicle 10 in the front right area and the headlamp unit 2 in the front left area as in 1 shown mounted. Subsequently, the tilt angle of the headlamp units 1 and 2 around the horizontal axis 24 by means of the adjusting device 22 set. The setting which is made depends on which traffic space the vehicle is 10 be adapted, ie, whether it should be operated in a traffic area with right-hand traffic, left-hand traffic or in a traffic area, where it requires the provisions that a lowered horizontal cut-off line is generated, as for example in the US Case is.

For right-hand traffic becomes the right headlight unit 1 aligned so that by the light emission of this headlamp unit 1 a right partial light emission is generated with a basic headlight range adjustment, which is at a low beam distribution 19-3 is required for legal relations. In the right-hand area, therefore, a larger basic illumination range is set than in the left-hand area. The left headlamp unit 2 is aligned so that the light emission of this headlamp unit 2 a left partial light emission is generated with a basic headlight range adjustment, that of the low beam distribution 19-3 for legal transactions. The baseline range in the left area is thus smaller than the baseline area in the right area. The headlight units 1 and 2 are adjusted so that a low beam distribution 19-3 is generated, as in 7A is shown.

For left-hand traffic, the right and left headlight unit 1 . 2 aligned the other way around, so that the basic illumination range in the left area is greater than in the right area, so that a low beam distribution 19-2 is generated, as in 6A is shown.

Finally, the right and left headlamp unit 1 . 2 also be aligned so that the basic headlights of both headlight units 1 . 2 are lowered so that a low beam distribution 19-4 is generated, as in 8A is shown.

In the settings of the headlight units 1 . 2 The swivel angles become about the horizontal axis 24 permanently mounted as basic setting. These settings are in operation of the vehicle 10 not changed anymore. Regardless, however, a known per se headlight range adjustment can be provided by which different loads of the vehicle can be compensated or by which the emission characteristics of the headlamp assembly 11 can be adapted to different traffic situations, for example, to avoid dazzling other road users.

In the method of manufacturing the headlamp assembly 11 in the vehicle 10 According to the second embodiment, the identical headlamp units 1 and 2 after installation in the body of the vehicle 10 initially aligned so that the right headlamp unit 1 at the front light-dark border 17 the front left side area 18L and the left headlamp unit 2 at the front light-dark border 17 the front right side area 18R illuminates. For this purpose, the headlight units 1 and 2 pivoted about a vertical axis. The swivel angle is chosen so that the right front side area 18R to the left front side area 18L at the produced low beam distribution 19 borders. The pivoting angle about the vertical axis depends in this case in particular on the installation height of the headlamp units 1 and 2 in the vehicle 10 from. Subsequently, the tilt angle of the headlamp units 1 and 2 around the horizontal axis 24 by means of the adjusting device 22 set. As described above, this setting depends on which traffic space the vehicle 10 be adapted, ie, whether it should be operated in a traffic area with right-hand traffic, with left-hand traffic or in a traffic area, where it requires the provisions that a lowered horizontal cut-off line is generated.

LIST OF REFERENCE NUMBERS

1

right headlamp unit

2

left headlamp unit

3

light source

4

casing

5

Lens

6

reflector

7

projection lens

8th

cover

9

wave

10

Vehicle with the headlight assembly

11

headlamp assembly

14

Light-off

15

right light-dark border

16

left light-dark border

17

front light-dark border

18

front area of the low beam distribution

18R

front right side area of the low beam distribution

18L

front left side area of the low beam distribution

19, 19-1 to 19-8

Abblendlichtverteilungen

20, 20-1 through 20-8

left partial light emission

21, 21-1 through 21-8

right partial light emission

22

Device for adjusting the basic illumination range

23

switch

24

horizontal axis

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 10304062 A1 [0006]

Claims (9)

Headlamp assembly ( 11 ) for a vehicle ( 10 ) with - a right headlamp unit ( 1 ), the at least one light source ( 3 ) and at least one optical device ( 7 . 8th ) for generating a first partial light emission ( 21 ), which at a front light-dark boundary of a low-beam light distribution ( 19 ) illuminates a first side area and at the front light-dark boundary of the low-beam light distribution ( 19 ) substantially does not illuminate a second side area, and - a left headlamp unit ( 2 ), the at least one light source ( 3 ) and at least one optical device ( 7 . 8th ) for generating a second partial light emission ( 20 ), which at the front light-dark boundary of the low-beam light distribution ( 19 ) illuminates the second side area and the first side area at the front light-dark boundary of the low-beam light distribution ( 19 ), wherein the first side region is the right region at the front light-dark boundary and the second side region is the left region at the front light-dark boundary, or the first side region is the left region at the front light Dark boundary and the second side area is the right area at the front light-dark boundary, characterized in that - the headlamp assembly ( 11 ) at least one device ( 22 ) for adjusting the basic illumination range of the right and left headlamp unit ( 1 . 2 ), wherein the base headlight ranges are changeable between at least two headlight range settings, wherein in the first base headlight range adjustment a low beam light distribution ( 19-3 ) for a vehicle designed for legal traffic ( 10 ) and at the second base headlamp leveling a low-beam light distribution ( 19-2 ) for a vehicle designed for left-hand traffic ( 10 ) is produced. Headlamp assembly ( 11 ) according to claim 1, characterized in that - in the first basic headlight range adjustment, the basic headlight range of the right headlight unit ( 1 ) greater than the basic headlight range of the left headlamp unit ( 2 ) and - in the second basic headlight range adjustment, the basic headlight range of the left headlight unit ( 2 ) greater than the basic headlight range of the right headlamp unit ( 1 ). Headlamp assembly ( 11 ) according to claim 1 or 2, characterized in that with the device ( 22 ) for adjusting the basic illumination range of the right and left headlamp unit ( 1 . 2 ) the basic headlight ranges between three basic headlight range settings are variable, wherein in the third headlight range adjustment a low beam light distribution ( 19-4 ), in which the basic illumination range of the right and left headlamp unit ( 1 . 2 ) is equal to. Headlamp assembly ( 11 ) according to one of the preceding claims, characterized in that the device ( 22 ) the right and / or left headlamp unit ( 1 . 2 ) pivots mechanically to adjust the basic headlights. Headlamp assembly ( 11 ) according to one of the preceding claims, characterized in that the right and left headlamp unit ( 1 . 2 ) are identical. Headlamp assembly ( 11 ) according to one of the preceding claims, characterized in that the device ( 22 ) is formed so that the headlight range settings are not changeable while driving the vehicle. Headlamp assembly ( 11 ) according to one of claims 1 to 5, characterized in that the headlight assembly ( 11 ) a switch ( 23 ) in the interior of the vehicle ( 10 ) associated with the facility ( 22 ) is coupled to set the headlights and with which the headlight range adjustment is selectable. Method for producing a headlight assembly ( 11 ) in a vehicle ( 10 ), in which - a right and a left headlamp unit ( 1 . 2 ), - the right-hand headlamp unit ( 1 ) in the front right area of a body of the vehicle ( 10 ) and the left headlamp unit ( 2 ) in the front left area of the body of the vehicle ( 10 ), - the right-hand headlamp unit ( 1 ) is aligned so that by the light emission of the right headlamp unit ( 1 ) a first partial light emission ( 21 ) is produced with a first or second base headlamp attitude, which at a front light-dark boundary of a low-beam light distribution ( 19 ) illuminates a first side area and at the front light-dark boundary of the low-beam light distribution ( 19 ) does not essentially illuminate a second side area, - the left headlight unit ( 2 ) is aligned so that by the light emission of the left headlamp unit ( 2 ) a second partial light emission ( 20 ) is generated with a first or second base headlamp setting, which at the front light-dark boundary of the low-beam light distribution ( 19 ) illuminates the second side area and at the front light-dark boundary of the low-beam light distribution ( 19 ) does not essentially illuminate the first side area, Wherein the first side region is the right region at the front light-dark boundary and the second side region is the left region at the front light-dark boundary, or the first side region is the left region at the front light-dark boundary and the second side region Side area is the right-hand area at the front light-dark boundary, and - wherein in the first base-illumination distance setting a low-beam light distribution ( 19-3 ) for a vehicle designed for legal traffic ( 10 ) and at the second base headlamp leveling a low-beam light distribution ( 19-2 ) for a vehicle designed for left-hand traffic ( 10 ) is produced. A method according to claim 8, characterized in that the right and left headlamp unit ( 1 . 2 ) and the orientation of the right and / or left headlamp unit ( 1 . 2 ) by pivoting the right and / or left headlamp unit ( 1 . 2 ) in the bodywork of the vehicle ( 10 ) about a horizontal axis ( 24 ) he follows.

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