Vehicle Headlight Reflector Facets for Alignment

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Solution Overview

Problem

Vehicle headlights often become misaligned as the vehicle moves, making it difficult for operators to determine and correct misalignment, which can lead to improper light direction affecting surrounding vehicles or pedestrians.

Innovation Solution

A light system comprising multiple light assemblies with reflector facets that project light in different directions, forming patterns on a surface perpendicular to the ground, allowing for adjustment and alignment of each light source individually to ensure proper aiming.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If vehicle headlights are made static in position, then the structure is simple and easy to manufacture, but the lights become misaligned as the vehicle moves and cannot be adjusted

Engineering Contradiction:
Improveheadlight structure simplicityVSAvoidlight alignment accuracy
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent introduces adjustable mounting mechanisms that allow the light source or reflector to be dynamically repositioned. The light assembly includes adjustment features enabling the operator to change the aim of individual lights, transforming the static headlight system into a dynamically adjustable one that maintains proper alignment despite vehicle movement or settling

Inventive Principle:
Principle #15Dynamics

2Device complexity

If traditional single-direction light projection is used, then the light source structure is simple, but it is difficult to determine the direction the light is projecting and detect misalignment

Engineering Contradiction:
Improvelight projection system simplicityVSAvoidlight direction detection capability
Core Design Contradiction:
Device complexityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent divides the light projection into multiple distinct directions using separate reflector facets. Each facet projects light in a different direction, creating separate light patterns that can be individually observed. This segmentation allows the operator to see multiple reference patterns on a surface, making it easy to determine the exact direction each light is projecting and detect any misalignment

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent uses different colors or distinct visual characteristics for light projected in different directions. By assigning different colors to different projection directions, the system provides clear visual feedback about light direction and alignment status, making it easy for operators to detect and correct misalignment

Inventive Principle:
Principle #32Color changes

3Measurement precision

If individual light adjustment is implemented, then each light can be aimed separately for precise alignment, but the device complexity and adjustment time increase

Engineering Contradiction:
Improvelight aiming precisionVSAvoidadjustment mechanism complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent implements simple dynamic adjustment mechanisms for each light assembly, allowing individual lights to be aimed precisely in different directions. The adjustment features are designed to be straightforward and intuitive, enabling operators to make precise alignment adjustments without excessive complexity or time requirements

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables precise alignment and aiming of vehicle headlights, ensuring optimal light distribution and reducing the risk of misalignment, thereby improving safety by providing clear and directed illumination.

Implementation Method 1

a first reflector facet that forms a first reflected light by redirecting light from the one or more light sources in a first direction and (ii) a second reflector facet that forms a second directed light by redirecting light from the one or more light sources in a second direction

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentUS11009209B2Lighting adjustment aid
Publication Date: 2021.05.18 VALEO VISION SA
  • US11009209B2 patent drawing
  • US11009209B2 patent drawing
  • US11009209B2 patent drawing

AI summary

A light assembly comprising: (a) one or more light sources; and (b) one or more reflectors comprising: (i) a first reflector facet that forms a first reflected light by redirecting light from the one or more light sources in a first direction and (ii) a second reflector facet that forms a second directed light by redirecting light from the one or more light sources in a second direction; and wherein the first directed light and the second directed light are configured to extend away from a vehicle housing the light assembly to form a light pattern that demonstrates a location the light assembly is aimed relative to the vehicle.