Windshield Base Carrier Frame for Precise HUD Imaging Alignment
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Solution Overview
Problem
Existing motor vehicle designs face challenges in achieving precise positioning of imaging units, particularly those projecting onto the windshield, due to the need for accurate alignment with the body and windshield.
Innovation Solution
A dedicated carrier frame extending along the windshield base is fastened directly to the vehicle body, utilizing holding devices with adjustable second elements to ensure precise positioning of imaging units, which are not attached to the instrument panel, allowing for accurate projection of images onto the windshield.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the imaging unit is integrated into the instrument panel for simple fastening and assembly, then the assembly process is simplified, but the positioning accuracy relative to the windshield is insufficient
Solution Approach 1:
The system is divided into separate functional components: the instrument panel assembly and the carrier frame assembly. The carrier frame is fastened directly to the body at the windshield base, while the instrument panel is mounted separately. This segmentation allows each component to be optimized independently - the carrier frame for positioning accuracy and the instrument panel for assembly simplicity.
Solution Approach 2:
The carrier frame acts as an intermediary component between the body and the imaging unit. It provides a dedicated mounting structure that is directly attached to the body at the windshield base, serving as a precise reference frame for positioning the imaging unit while allowing the instrument panel to be assembled separately.
2Manufacturing precision
If the carrier frame is fastened directly to the body for precise positioning, then the positioning accuracy is improved, but the device complexity increases
Solution Approach 1:
The carrier frame serves multiple functions: it provides structural support for the imaging unit, establishes precise positioning relative to the windshield base, and serves as a mounting structure for the imaging unit. By combining these functions into a single component, the overall device complexity is reduced despite the direct fastening to the body.
Data Source
AI summary
A motor vehicle includes a body in the region below the front windshield pane of which a front pane base is defined, an instrument panel mounted to the body, and a support frame that extends along the front pane base. At least one imaging unit is arranged in the support frame. The support frame is mounted to the body.