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Headlamp for vehicles

A technology for headlights and vehicles, applied in vehicle lighting systems, headlights, vehicle parts, etc., to solve problems such as light scattering

Active Publication Date: 2014-07-16
ZKW集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It is an object of the present invention to provide a diaphragm shaft which solves the above-mentioned problems with regard to light scattering, so that legal light values ​​complying with the cutoff can be obtained with little or no undesired scattered light

Method used

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  • Headlamp for vehicles
  • Headlamp for vehicles
  • Headlamp for vehicles

Examples

Experimental program
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Embodiment Construction

[0075] figure 1 A vehicle headlight (projection system) 1 according to the invention is shown with a diaphragm shaft 11 . The headlamp 1 includes a lens 4 attached, for example, in a lens holder (not shown) (see Figure 5d ). The lens holder is pivotable about the longitudinal axis 300 so that the lens 4 is pivotable about the longitudinal axis 300 . Some of the modifications according to the invention to the diaphragm shaft 11 and shown here are also relevant for projection systems with non-pivotable lenses. If the modification relates in particular or exclusively to the lens 4 being pivotable about the longitudinal axis 300 , this is explicitly mentioned in this text.

[0076] The headlamp 1 further comprises a light source 4 a and a reflector 3 which in the variant shown is mounted in the adapter 2 . All relevant parts are fixed to the adapter 2 , such as the drive means 5 (for example a stepper motor) for rotating the diaphragm shaft 11 about its axis of rotation 100 ....

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PUM

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Abstract

The headlamp has a diaphragm shaft comprising a cover surface, which comprises a focal line for rotary positions. The cover surface of the diaphragm shaft comprises grooves (30-35) at a region of the focal line for dimmed light. The grooves run parallel to a rotation axis of the diaphragm shaft. The adjacent grooves are directly limited together in a rotation direction and / or a circumferential direction. The adjacent grooves are separated from each other by common point edges (40-45). The grooves completely penetrate a focal line section, which run in an inclined manner.

Description

technical field [0001] The invention relates to a vehicle headlamp comprising a reflector, a lens and a diaphragm shaft disposed between said reflector and said lens and capable of rotating about an axis extending horizontally and transversely towards an optical axis , and is adjustable in its two or more rotational positions, the sheath surface of the diaphragm shaft has at least one focal line in each rotational position to produce a cut-off line of light distribution, the diaphragm In the region of the at least one light-cut focal line, the sheathing surface of the shaft comprises grooves which extend substantially parallel to the rotational axis of the diaphragm shaft. Background technique [0002] Diaphragm shafts for vehicle headlights for producing different light patterns are known. Since this extension of the diaphragm axis also extends in the direction of the light exit, the following problem arises in comparison with a planar diaphragm (diaphragm of small thickne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21S8/10F21V14/00F21W101/10
CPCF21S48/145F21S48/1794F21S41/43F21S41/698
Inventor 约瑟夫·皮尔斯汀格
Owner ZKW集团有限公司