Integrated Inside Mirror Assembly with Rain Sensor and Antenna
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Solution Overview
Problem
Existing integrated inside mirror assemblies for vehicles interfere with the driver's view and reduce assembly efficiency due to the increased size of embedded electronic devices, such as rain sensors, defog sensors, and ETCS antennas, which are typically mounted separately on the windshield glass.
Innovation Solution
An integrated inside mirror assembly that integrates a rain sensor, ETCS antenna, and defog sensor within a stay coupled to the inside mirror, featuring a base with a sensor hole, a mount with ball joint, and a stay cover to improve layout and assembly efficiency, with guides and supports for secure positioning and electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If various electronic devices (rain sensor, defog sensor, ETCS antenna) are mounted separately on the windshield glass using separate brackets, then each device can be installed independently, but the layout deteriorates and the assembly process becomes complex and time-consuming
Solution Approach 1:
The patent combines multiple electronic devices (rain sensor, defog sensor, ETCS antenna) and their mounting structures into a single integrated stay assembly. This merging eliminates the need for separate brackets and multiple mounting operations, thereby improving assembly efficiency and simplifying the overall layout on the windshield glass.
Solution Approach 2:
The stay assembly is designed to perform multiple functions simultaneously: it provides structural support for the inside mirror while also serving as a mounting platform for various electronic devices. This multi-functionality reduces the number of separate components needed and simplifies the assembly process.
2Device complexity
If electronic devices are embedded or integrated in the inside mirror to improve layout, then the layout improves, but the stay cover size increases and interferes with the driver's field of view
Solution Approach 1:
The stay assembly is segmented into functional modules: the base for mounting electronic devices, the mount for the mirror, and the stay cover for protection. This segmentation allows electronic devices to be integrated without necessarily increasing the visible stay cover size, as components are distributed across different segments of the assembly.
Solution Approach 2:
Electronic devices are nested within the stay structure rather than extending outward. The rain sensor, defog sensor, and ETCS antenna are positioned within the base and mount structures, allowing them to be integrated without proportionally increasing the external dimensions of the stay cover.
3Device complexity
If the stay cover size increases to accommodate embedded electronic devices, then all components can be integrated in one assembly, but assembly efficiency and work efficiency are lowered
Solution Approach 1:
The stay assembly is divided into modular segments (base, mount, stay cover) that can be assembled in a standardized sequence. This segmentation enables efficient assembly procedures while maintaining high integration of electronic devices within the overall structure.
Solution Approach 2:
Electronic devices are pre-mounted on the base and mount structures before final assembly with the stay cover. This preliminary action allows for efficient integration without requiring complex in-situ assembly operations, thereby maintaining work efficiency.
Data Source
AI summary
An integrated inside mirror assembly for a vehicle may have a stay fixed to a windshield glass of the vehicle and an inside mirror coupled to the stay, in which the stay may include a sub stay coupled to a rear surface of the inside mirror, a base attached to an upper end of the windshield glass and to which a rain sensor is mounted, a mount slidably assembled at an outside of the base and coupled to the sub stay through a ball joint, a stay cover coupled to the mount while surrounding the mount and attached to the upper end of the windshield glass, and an antenna cover assembled at one side of the mount and to which an antenna member is mounted.