Dual-Housing Camera Assembly With Fixed Sensor-Lens Alignment
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Solution Overview
Problem
Image capture devices face challenges in maintaining robustness and reliability under adverse environmental conditions such as water, debris, and impacts, which can lead to damage and reduced longevity.
Innovation Solution
The design incorporates a dual-housing structure with integrated sensor-lens assemblies and a mount system that provides a sealed internal compartment, positive static connections, and adjustable alignment to enhance durability and protection, while also allowing for flexible coupling to support devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sealed internal compartment structure is used to protect against environmental factors, then reliability is improved, but device complexity increases
Solution Approach 1:
The housing is divided into multiple separate components (first housing, second housing, lens bezels, chassis) that assemble to form the sealed internal compartment. This segmentation allows each component to be manufactured and sealed independently, then joined together to create the protective enclosure, balancing reliability with manufacturing feasibility.
Solution Approach 2:
The chassis is positioned within the internal compartment formed by the housings, and electronic components are coupled to the chassis. This nested arrangement places components within the sealed compartment structure, providing protection while maintaining an organized internal layout that manages complexity.
2Manufacturing precision
If integrated sensor-lens assemblies are used to improve alignment, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The lens and image sensor are merged into a single integrated sensor-lens assembly (ISLA) where the lens is in fixed alignment with the image sensor. This integration ensures precise optical alignment is maintained during assembly and operation, eliminating the need for separate alignment mechanisms while managing complexity through functional consolidation.
Solution Approach 2:
The lens and image sensor are pre-aligned and integrated into the ISLA before being installed in the device. This preliminary alignment action ensures that the critical optical relationship is established during manufacturing of the sub-assembly, guaranteeing manufacturing precision when the ISLA is installed in the housing.
3Reliability
If a mount system with positive static connection is used to enhance stability, then reliability is improved, but ease of operation decreases
Solution Approach 1:
The mount is pre-configured with connection features that align with corresponding features on the chassis. This preliminary configuration allows the mount to be quickly attached and detached while maintaining stable connection when installed, balancing ease of operation with reliability.
Data Source
AI summary
An image capture device includes a first housing, a second housing, a first integrated sensor-lens assembly (ISLA), and a second ISLA. The second housing is coupled to the first housing to form an internal compartment. The first ISLA includes a first image sensor coupled to a first lens in fixed alignment. The second ISLA includes a second image sensor coupled to a second lens in fixed alignment. The first ISLA is positively statically connected to the first housing, and the second ISLA is coupled to the first housing indirectly via the first ISLA.