Camera Module Cover for Connector Fixing and EMI Shielding
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Solution Overview
Problem
Existing camera modules for vehicles face challenges in mounting, sealing, and securing substrates while preventing foreign object intrusion and electromagnetic interference, particularly when exposed to the external environment.
Innovation Solution
A camera module design featuring a coupling structure with a bracket, solid sealing, and discrete substrate support, along with a cover to fix connectors and shield electromagnetic waves, utilizing protrusions, hooks, and ribs for secure assembly and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a camera module is mounted on a vehicle with parts exposed outside, then mounting functionality is achieved, but foreign objects can be introduced into the camera module
Solution Approach 1:
The camera module is divided into separate functional components: a housing structure for sealing, a substrate for mounting electronic components, and a connector for external connections. This segmentation allows the housing to provide sealing while the connector extends outward for mounting functionality.
Solution Approach 2:
A connector is introduced as an intermediary element that extends from the substrate through the housing to the external environment. This intermediary allows electrical connections while the housing maintains sealing around the connector to prevent foreign object intrusion.
2Adaptability or versatility
If multiple substrates are disposed discretely inside the camera module, then functional integration is improved, but structural complexity increases
Solution Approach 1:
Multiple substrates are mounted on a single substrate rather than being discretely distributed throughout the module. This merging approach maintains functional integration while simplifying the overall structure by using one substrate as the mounting platform for all electronic components.
3Ease of manufacture
If connectors are extended from substrates, then electrical connectivity is achieved, but electromagnetic waves are generated that need shielding
Solution Approach 1:
The housing structure, which is already required for sealing and mechanical support, is also designed to serve as an electromagnetic shield. The housing encloses the substrates and connectors, converting the potential harmful electromagnetic emissions into a beneficial shielded environment without adding separate shielding components.
Data Source
AI summary
The present embodiment relates to a camera module comprising a front body, a lens, a rear body, a first substrate, an image sensor, a second substrate, a connector and a cover, wherein the cover includes a bottom plate having a hole in which the connector is to be disposed, side plates extending from the bottom plate, and pressing unit disposed at the bottom plate and elastically supporting the connector, the connector includes a first surface facing the inner surface of the bottom plate of the cover, and a second surface extending from the first surface and disposed in the hole, and the pressing unit includes a first pressing part for pressing the first surface of the connector, and a second pressing part for pressing the second surface of the connector.