Motor Vehicle Headlight With Independent Pivot Angles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Motor vehicle headlights with infrared radiation sources have limited flexibility and range due to rigid beam distribution, which decreases night vision system effectiveness on curved roads and when the vehicle pitch angle changes, requiring high beam power and complex cooling measures.
Innovation Solution
A motor vehicle headlight design with a pivotable basic light source and infrared beam source, where both sources can be independently adjusted using a single pivoting device to account for different radiation characteristics and driving situations, reducing the need for high beam power and complex cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the beam distribution range of high beam intensities is spread out both vertically and horizontally to maintain night vision system range on curved roads and during pitch angle changes, then the adaptability of the night vision system is improved, but the beam power of the infrared ray source must be increased which leads to higher electrical power consumption and larger thermal power loss requiring complex cooling measures
Solution Approach 1:
The patent segments the lighting system into two independent pivotable components: a basic light source for visible illumination and an infrared beam source for night vision. Each can be independently adjusted to optimize their respective functions, allowing the infrared source to maintain a concentrated beam pattern without requiring increased power output.
Solution Approach 2:
The patent implements dynamic adjustability by making both the basic light source and infrared beam source pivotable about different angles. This dynamic configuration allows the system to adapt to varying driving conditions (curved roads, pitch angle changes) without requiring the infrared source to continuously increase its beam spread and power output.
2Adaptability or versatility
If the infrared beam source is made pivotable about a different pivot angle than the basic light source to account for different radiation characteristics, then the ease of operation and adaptability are improved, but the device complexity increases due to additional pivoting mechanisms
Solution Approach 1:
The patent divides the headlight assembly into separable pivotable units, each with its own mounting and adjustment mechanism. This segmentation allows independent optimization of each light source's pivot angle while keeping the overall system manageable through modular design.
Solution Approach 2:
The patent changes the pivot angle parameter differently for the basic light source and infrared beam source based on their specific radiation characteristics. This parameter differentiation allows each component to operate at its optimal angle while the modular design keeps the implementation complexity manageable.
3Device complexity
If a single pivoting device is used to control both the basic light source and infrared beam source, then the device complexity is reduced and installation space is minimized, but the ease of operation may be compromised due to coupled control
Solution Approach 1:
The patent employs a single pivoting device that serves multiple functions: it can pivot the basic light source about a first angle, pivot the infrared beam source about a second angle, or perform both operations. This multi-functional design reduces the number of motors while maintaining operational flexibility through programmable control sequences.
Solution Approach 2:
The single pivoting device operates in periodic or sequential modes, alternating between pivoting the basic light source and the infrared beam source as needed. This periodic action allows one motor to perform the work of what would traditionally require two separate motors, reducing complexity while maintaining independent control capability through time-sequenced operations.
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
The flexible headlight design ensures effective infrared illumination of the road ahead, maintaining night vision system range and reducing thermal power loss, allowing for adaptive operation without additional control effort or motors.
Implementation Method 1
a basic light source (2) and an infrared beam source (3)... the basic light source (2)... emits light... the infrared beam source (3)... emits infrared radiation
Data Source
Figure 1
AI summary
A subject matter of the invention is a motor vehicle headlight (1) with a base light source (2), with a pivoting device (5) which is set up to pivot the base light source (2) about a base pivoting angle, and with an infrared beam source (3) which is coupled to the pivoting device (5) in such a manner that, when the base light source (2) is pivoted about a base pivoting angle by the pivoting device (5), the infrared beam source (3) is pivoted by the pivoting device (5) about an infrared pivoting angle which differs from the base pivoting angle.