Vehicle Headlight Adjusting System Volume Reduction
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Solution Overview
Problem
Conventional adjusting systems for vehicle headlamps have a significant space requirement due to their construction, which limits the compact design of headlamps and is not optimized for minimizing volume.
Innovation Solution
The system employs a first and second support element with guide means that allow displacement along circular arcs around perpendicular axes, eliminating the need for a classic adjustment triangle structure, thereby reducing the overall construction volume and allowing adjustment along a dish-shaped circular arc.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a classic adjustment triangle structure with fixed bearing point and two points of action is used, then the optically relevant component can be adjusted for vertical and horizontal deflection, but the space requirement and construction volume increase significantly
Solution Approach 1:
The adjusting system is segmented into two independent adjusting devices: a first adjusting device for vertical deflection and a second adjusting device for horizontal deflection. Each device operates independently with its own support elements and guide means, eliminating the need for a unified adjustment triangle structure. This segmentation reduces the overall construction volume while maintaining full adjustability of the optically relevant component.
Solution Approach 2:
The patent transitions from a two-dimensional adjustment triangle to a three-dimensional arrangement with support elements positioned at different heights and locations. The first support element is arranged at a first height and the second support element at a second height, creating a spatial configuration that reduces the horizontal footprint while maintaining adjustment functionality through vertical separation.
2Reliability
If the adjustment triangle construction is used, then reliable adjustment is achieved, but the concept of the vehicle headlamp is limited due to increased space requirements
Solution Approach 1:
The adjustment function is segmented into two independent devices, each responsible for one degree of freedom (vertical and horizontal). This segmentation allows each device to be compact while maintaining reliable adjustment through dedicated guide means and support elements, reducing the overall volume required compared to a unified adjustment triangle.
Solution Approach 2:
The support elements and guide means are arranged in a nested spatial configuration where the first support element and second support element are positioned at different heights, allowing their functional volumes to overlap or nest within each other's spatial envelope, thereby minimizing the total construction volume of the adjusting system.
Data Source
AI summary
The invention relates to an adjusting system (1) for pivoting at least one optically relevant component (2) of a vehicle headlight about a first and a second axis (y, z), the system comprising a first retaining element (3) for holding the optically relevant component (2), a second retaining element (4) for displaceably holding the first retaining element (3) on the second retaining element (4), a carrying frame (5) for displaceably holding the second retaining element (4) on the carrying frame (5), and a first adjusting device (6) acting on the first retaining element (3) for displacing the first retaining element (3) relative to the second retaining element (4), and a second adjusting device (7) acting on the second retaining element (4) for displacing the second retaining element (4) relative to the carrying frame (5).