Vehicle Headlight Cover Assembly for Seamless Lighting and Radar Transmission
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Solution Overview
Problem
Existing decorative elements for vehicle radiators fail to seamlessly integrate light and radar transmissivity, leading to suboptimal appearance and aerodynamic performance.
Innovation Solution
A decorative cover element comprising a translucent element, a partially transparent element with translucent and opaque sections, and a light-guiding element, bonded by a molding compound layer, which allows for decoupled light and radar beam transmissivity, creating a monolithic and aerodynamic design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a conventional radiator grill design is used, then the vehicle has a traditional appearance, but the aerodynamic performance and energy efficiency are suboptimal due to gaps and joints
Solution Approach 1:
The patent combines the radiator grill, headlight cover, and decorative elements into a single integrated cover element. This merging eliminates gaps and joints between separate components, creating a seamless aerodynamic surface that reduces drag and improves energy efficiency while maintaining the functional separation of lighting and radar areas through translucent and opaque sections.
2Shape
If decorative elements are used for exterior design, then the vehicle appearance is enhanced, but radar beam transmissivity is compromised
Solution Approach 1:
The cover element incorporates different sections with distinct optical properties: translucent sections for headlight areas requiring light transmission, opaque sections for decorative radiator grill areas, and transparent sections for radar sensor areas. This local differentiation allows each zone to fulfill its specific function while contributing to the overall aesthetic appearance.
Solution Approach 2:
The patent uses a translucent element as an intermediary between the light-guiding element and the external environment. This translucent element allows radar beams to pass through while providing a decorative surface, effectively mediating between the conflicting requirements of appearance and radar transmissivity.
3Shape
If separate elements are used for headlight and radiator grill, then manufacturing is simpler, but the overall appearance and aerodynamics are compromised due to visible joints
Solution Approach 1:
The patent merges the headlight cover, radiator grill, and decorative elements into a single monolithic cover element. This integration eliminates visible joints and gaps, creating a seamless appearance that enhances both aesthetics and aerodynamics, while the internal functional separation is achieved through material transparency variations rather than physical separations.
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 solution enables a seamless combination of contour and surface lighting, improving vehicle appearance, aerodynamics, and energy efficiency by eliminating gaps and joints, while maintaining radar transmissivity and providing an individualized lighted appearance.
Implementation Method 1
The light-guiding element and the translucent element adjoin one another directly or with the interposition of a molding compound layer... the light is decoupled at correspondingly provided points of the light-guiding element in the direction of the translucent element
Data Source
AI summary
A decorative cover element for a headlight of a vehicle includes a translucent element, a partially transparent element, and a light-guiding element. The translucent element, in the installed state, forms an outer skin of the vehicle and a safeguard for the headlight. The partially transparent element has translucent sections and opaque sections. The light-guiding element is designed to decouple coupled-in light at least in sections in the direction of the translucent element. The partially transparent element is arranged between the translucent element and the light-guiding element. In the installed state, the translucent sections and the opaque sections of the partially transparent element are at least partially arranged adjacent to the headlight.