Headlight Range Adjusting Thermal Compensator
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Solution Overview
Problem
Conventional receiving assemblies for headlight range adjusting devices in vehicles are not suitable for thermal compensation, as they cannot effectively manage temperature-related displacements of connection points, leading to potential misalignment of lighting modules across varying temperatures.
Innovation Solution
A thermal compensator comprising a profiled receiving area made of one material with a first coefficient of thermal expansion and a displaceable receiving slide made of another material with a second coefficient, integrated into the headlight assembly, where plastically deformable portions can be introduced into depressions to create a shape-locked connection, allowing for precise thermal compensation during assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional connecting elements are used between the aligning device and the headlight range adjusting device, then the assembly is simple and easy to manufacture, but the connection point displaces due to temperature-related thermal expansion, causing misalignment of the lighting module
Solution Approach 1:
The patent applies parameter changes by utilizing materials with different coefficients of thermal expansion. The connecting element incorporates a thermal compensation section made of a material with a higher thermal expansion coefficient than the threaded rod. When temperature increases, the thermal compensation section expands more than the threaded rod, compensating for the displacement of the connection point and maintaining alignment stability without requiring complex active control mechanisms.
Solution Approach 2:
The patent directly applies thermal expansion principles by designing the connecting element with a thermal compensation section made of a material that expands thermally to counteract the displacement caused by temperature changes. The differential thermal expansion between the threaded rod and the thermal compensation section creates a compensatory effect that maintains the position of the connection point relative to the housing, thereby ensuring reliable alignment across temperature variations.
2Reliability
If thermal compensation sections with different materials are used to compensate for temperature-related displacements, then the alignment stability is improved, but the manufacturing process becomes more complex due to material selection and assembly requirements
Solution Approach 1:
The patent merges the thermal compensation function into the connecting element itself by integrating the thermal compensation section as an inherent part of the connector between the aligning device and the headlight range adjusting device. This unified design allows the connecting element to simultaneously perform mechanical connection and thermal compensation functions, simplifying the overall assembly process while maintaining accurate temperature compensation through the differential expansion of integrated material sections.
3Adaptability or versatility
If the receiving assembly is designed to accommodate headlight range adjusting devices with differently designed receiving areas, then the adaptability is improved, but conventional connecting elements cannot be used, requiring a new design
Solution Approach 1:
The patent achieves universality by designing the connecting element with integrated thermal compensation that can accommodate differently designed receiving areas. The thermal compensation section is configured to work with various receiving area designs while maintaining the same compensation mechanism, allowing a single connecting element design to serve multiple configurations and enhancing adaptability without requiring multiple specialized connectors.
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
This solution enables thermal compensation during the assembly of the headlight range adjusting device, maintaining a stable connection over a wide temperature range without additional elements, ensuring the lighting module remains displacement-free and securely mounted within the headlight housing.
Implementation Method 1
a profiled receiving area (14), which extends in the adjustment axis (13) and which is made of a first material with a first coefficient of thermal expansion, and that the compensator has at least one receiving slide (15), which extends in the adjustment axis (13) and which is made of a second material with a second coefficient of thermal expansion
Data Source
AI summary
A receiving assembly for a headlight range adjusting device for a lighting module in a headlight of a vehicle, with a receiving area for the headlight range adjusting device and with thermal compensator to compensate for a temperature-related displacement of a connection point for the lighting module in an adjustment axis of the headlight range adjusting device. The compensator has at least one profiled receiving area which extends in the adjustment axis and which is made of a first material with a first coefficient of thermal expansion, and the compensator has at least one receiving slide which extends in the adjustment axis and which is made of a second material with a second coefficient of thermal expansion, which is received in the profiled receiving area in the adjustment axis so as to be displaceable.