Camera Assembly Short-Circuit Prevention via Insulating Frame Coating
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Solution Overview
Problem
The challenge is to prevent short circuits between camera modules and metallic supporting frames in electronic devices, which are prone to electrical contact due to their design, leading to potential damage and performance issues.
Innovation Solution
A camera assembly is designed with a non-conductive short-circuit prevention part made of synthetic resin or elastically-deformable material, integrated into the metallic supporting frame to block electrical contact between the conductive connecting parts and the metal body, ensuring safe electrical isolation while maintaining structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If camera modules are surrounded by a metallic supporting frame for strength and heat resistance, then structural integrity is improved, but short circuit risk between camera modules and the metal frame increases
Solution Approach 1:
A non-conductive coating layer is applied on the inner surface of the metallic supporting frame to act as an intermediary between the metal frame and camera modules. This coating layer electrically isolates the conductive connecting parts from the metal frame, preventing short circuits while maintaining the structural strength and heat resistance properties of the metal frame.
2Volume of moving object
If conductive connecting parts are overlapped with the supporting frame to reduce device size, then compactness is improved, but electrical contact and short circuit risk increase
Solution Approach 1:
The non-conductive coating layer on the inner surface of the supporting frame serves as a mediator that allows the conductive connecting parts to overlap with the metal frame for compact design while preventing electrical contact. The coating layer maintains electrical isolation even when components are in close proximity or overlapping configuration.
3Area of stationary object
If camera modules are positioned close to the metal frame to reduce space, then device compactness is improved, but risk of electrical contact increases
Solution Approach 1:
The non-conductive coating layer acts as a protective intermediary between the camera modules and the metallic supporting frame, enabling close positioning for space efficiency while blocking electrical contact. This allows maximum compactness without compromising electrical safety.
Data Source
AI summary
A camera assembly embedded in an electronic device may include a plurality of camera modules, and a supporting frame configured to support the plurality of camera modules. At least one of the plurality of camera modules includes a lens driving assembly configured to move a lens barrel, a lens housing configured to accommodate the lens barrel and the lens driving assembly, a first circuit board on which an image sensor is provided, and a conductive connecting part configured to electrically connect the first circuit board and the lens driving assembly. The supporting frame includes a metal body configured to surround at least portions of edges of the lens housing, and a short-circuit prevention part provided on a surface of the metal body facing the conductive connecting part. The short-circuit prevention part includes a non-conductive material to block electrical contact between the metal body and the conductive connecting part.