Windshield Mounting Bracket for Camera Stray Light Shield
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Solution Overview
Problem
Current vehicle imaging systems face challenges in effectively mounting and integrating camera modules with stray light shields, rain sensors, and interior rearview mirrors in a way that enhances attachment stability and reduces light interference while accommodating various windshield angles and vehicle configurations.
Innovation Solution
A mounting bracket system that attaches to the vehicle windshield, accommodating a camera module with a stray light shield, a rain sensor, and an interior rearview mirror assembly, using adhesive or suction attachments and adjustable configurations to ensure secure and adaptable installation across different vehicle models and windshield angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a camera module is mounted directly to the windshield without a bracket system, then the mounting structure is simpler, but the attachment stability and adaptability to different windshield angles are reduced
Solution Approach 1:
A mounting bracket is introduced as an intermediary component between the camera module and the windshield. The bracket includes a mounting plate with attachment elements that can be secured to the windshield, and a camera module receiver that holds the camera module. This intermediary structure provides stable attachment while accommodating various windshield angles and configurations.
Solution Approach 2:
The mounting system is divided into separate functional components: a mounting plate for windshield attachment, a camera module receiver for holding the camera, and optional components like light shields and rain sensor mounts. This segmentation allows each component to be optimized for its specific function and enables flexible assembly for different vehicle configurations.
2Adaptability or versatility
If multiple components (camera module, rain sensor, interior rearview mirror) are integrated into a single mounting system, then the adaptability to different vehicle configurations is improved, but the device complexity increases
Solution Approach 1:
The mounting bracket is designed as a universal platform that can accommodate multiple different components including camera modules, rain sensors, and interior rearview mirrors. The bracket includes standardized receivers and mounting points that can accept various component types, allowing a single bracket design to serve multiple functions across different vehicle configurations.
Solution Approach 2:
The mounting system uses nested structures where the camera module receiver is integrated into the mounting bracket, the light shield is positioned around the camera module, and the rain sensor mount is incorporated into the bracket structure. This nesting approach consolidates multiple components into a compact integrated assembly while maintaining individual component functionality.
3Object-affected harmful factors
If a stray light shield is added to the camera module, then the light interference is reduced, but the device complexity and manufacturing complexity increase
Solution Approach 1:
The stray light shield is integrated with the camera module housing or the mounting bracket, combining the light shielding function with the existing structural components. This merging approach eliminates the need for a separate light shield component, reducing the total part count and simplifying manufacturing while still providing effective light interference protection for the camera sensor.
Data Source
AI summary
A vehicle vision system includes a bracket having an attachment portion configured to attach at an in-cabin surface of a vehicle windshield. The bracket includes a camera module attachment portion and at least one of (i) a rain sensor attachment portion and (ii) an interior rearview mirror assembly attachment portion. With the bracket attached at the windshield, a camera module is mountable to the bracket. When the camera module is mounted at the bracket attached at the in-cabin surface of the windshield, a stray light shield shields the image sensor array of the camera module from light emanating from within the vehicle cabin. At least when the camera module is mounted at the bracket attached at the windshield, the stray light shield is disposed at the camera module and a lens of the camera module views via the pocket through the windshield of the vehicle.