Vehicle Rearview Mirror PCB Layout for Compact Mounting Assembly
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Solution Overview
Problem
Existing rearview mirror devices face challenges in efficiently utilizing limited space within the device while maintaining a wide field of view and reducing manufacturing costs.
Innovation Solution
A rearview device design featuring a mounting structure with a circuit board that is bent and divided into regions for efficient space utilization, along with conductive springs for electrical connections and a housing cover with a bezel portion for minimal obstruction, allowing for compact assembly and reduced manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the circuit board is arranged in the internal space of the housing, then the device can be compactly assembled, but the circuit board may interfere with the installation of the rearview device on the vehicle when fastening members are engaged
Solution Approach 1:
The circuit board is divided into multiple regions (first region and second region) with different functions and spatial requirements. The first region is positioned adjacent to the mounting coupling portion for fastening operations, while the second region is spaced apart, allowing both compact assembly and interference-free installation to coexist within the housing internal space.
2Volume of moving object
If the circuit board is bent and divided into regions, then space utilization is improved, but the manufacturing complexity increases
Solution Approach 1:
Different regions of the circuit board are assigned different functions and spatial positions. The first region is located adjacent to the mounting coupling portion to facilitate installation, while the second region is positioned away from it. This local differentiation allows the circuit board to be bent into a configuration that optimizes space utilization while maintaining manufacturability through region-specific design considerations.
Data Source
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AI summary
The present disclosure refers to a rearview device (1000, 2000), in particular a rearview mirror device and/or a rearview display device, mountable on a vehicle through a mounting structure (1100, 2100), the rearview device (1000, 2000) comprising: a rearview element (1500, 2500) including at least one of a reflective element and a display element; a circuit board (1250, 2250) for providing an electrical connection to at least one of the rearview element (1500, 2500), a light module, a heating element, sensing means and a human machine interface; and a housing (1200, 2200) coupled with the mounting structure (1100), wherein the housing (1200, 2200) provides a mounting coupling portion (1210, 1210F, 1210R) to which the mounting structure (1100) is connected and an internal space in which the circuit board (1250, 2250) is arranged, wherein at least one fastening member (1230, 1231, 2230, 2231) for coupling the housing (1200, 2200) and the mounting structure (1100, 2100) is engaged on the mounting coupling portion (1210, 1210F, 1210R), wherein the circuit board (1250, 2250) is attached to the housing (1200, 2200) adjacent to the mounting coupling portion (1210, 1210F, 1210R), and wherein the circuit board (1250, 2200) is arranged in the internal space of the housing (1200, 2200) so as to not interfere with the installation of the rearview device (1000, 2000) on the vehicle when the at least one of the fastening member (1230, 1231, 2230, 2231) is engaged on the mounting coupling portion (1210, 1210F, 1210R).