Cowl Panel Reinforcement for HUD Integration
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Solution Overview
Problem
The installation space for in-vehicle apparatuses like head-up displays is limited due to the cowl panel's reinforcing members enhancing vehicle body rigidity, which restricts the integration of additional reinforcing elements for improved structural integrity.
Innovation Solution
Attaching a pair of reinforcing members along the cowl panel's extending direction, opposite each other in the vehicle width, to create a continuous reinforcing structure that secures installation space for in-vehicle apparatuses while enhancing bending rigidity by forming closed cross-sectional structures with the cowl panel and covering its ridge lines, thereby efficiently transmitting loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If reinforcing members are provided on the cowl panel to enhance vehicle body rigidity, then the bending rigidity of the cowl panel is improved, but the installation space for in-vehicle apparatus is reduced
Solution Approach 1:
The reinforcing structure is divided into a pair of reinforcing members (first and second reinforcing members) that are positioned at different locations on the cowl panel. These segmented reinforcing elements work together to provide structural support while leaving the central region available for device installation.
Solution Approach 2:
The reinforcing members are strategically positioned at specific locations on the cowl panel (opposite each other in the vehicle width direction) rather than providing uniform reinforcement across the entire panel. This localized reinforcement approach enhances bending rigidity where needed while preserving installation space in other areas.
2Strength
If additional reinforcing elements are added to improve structural integrity, then the bending rigidity is enhanced, but the device complexity increases
Solution Approach 1:
The first and second reinforcing members are combined with the cowl panel to form an integrated reinforcing structure. The reinforcing members work together with the panel to create a unified structural system that enhances integrity without requiring separate, complex reinforcement systems.
Solution Approach 2:
The reinforcing members serve multiple functions: they enhance bending rigidity, provide structural support, and define the installation space for in-vehicle apparatus. This multi-functionality reduces the need for additional dedicated components, thereby limiting device complexity.
Data Source
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AI summary
A pair of reinforcing members (30, 32) that extend along the extending direction of the cowl panel (16) and that face each other in the vehicle width direction are attached to the cowl panel, and the pair of reinforcing members in the cowl panel are attached to the cowl panel. A head-up display device (40) is provided at a position corresponding to between the two. That is, since the head-up display device can also act as a reinforcing member, the reinforcing structure is continuously provided in the extending direction of the cowl panel. Therefore, the bending rigidity of the cowl panel can be enhanced. Thereby, securing of the installation space of a head-up display apparatus and the enhanced of the bending rigidity of a cowl panel can be made compatible.