Thin Plate Lens Shade for UAV Image Capturing Module
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Solution Overview
Problem
Conventional lens shades are unsuitable for sport-type photographic lenses or miniature cameras mounted on UAVs due to their large volume and complex installation, which can disrupt the balance and stability of the UAV and gimbal system.
Innovation Solution
A compact, thin-plate shaped lens shade with a built-in design that includes a light incoming pathway with varying inlet sizes and a snap portion for secure attachment within the image capturing module, allowing for reduced volume and improved balance while maintaining effective shading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a conventional lens shade is added at the front end of the image capturing module, then the shading performance is improved, but the volume and diameter of the lens increase
Solution Approach 1:
The lens shade is integrated inside the image capturing module, nested within the existing structure rather than being an external addition. The light incoming pathway is formed within the module housing, allowing the shading function to be embedded without increasing the overall lens volume.
Solution Approach 2:
The lens shade transitions from a conventional external cylindrical structure to a thin plate shape with a light incoming pathway. This dimensional change allows the shading function to be achieved in a different spatial configuration that occupies less volume while maintaining effectiveness.
2Object-affected harmful factors
If a conventional lens shade is added at the front end of the image capturing module, then the shading performance is improved, but the installation complexity increases
Solution Approach 1:
The lens shade is merged with the image capturing module structure, forming an integrated unit. The light incoming pathway is combined with the module housing, eliminating the need for separate installation steps and reducing overall complexity.
Solution Approach 2:
The image capturing module structure serves multiple functions: it houses the imaging components and simultaneously provides the lens shade structure with the light incoming pathway. This multi-functionality reduces the number of separate components and simplifies installation.
3Object-affected harmful factors
If a conventional lens shade is added at the front end of the miniature photographic apparatus, then the shading performance is improved, but the center of gravity changes affecting UAV balance and gimbal stability
Solution Approach 1:
The lens shade changes from a conventional external structure to a thin plate shape integrated within the module. This dimensional transformation moves the shading mass closer to the optical axis and reduces its distance from the UAV's center of gravity, minimizing the impact on balance and stability.
Solution Approach 2:
The lens shade is nested inside the image capturing module, positioning its mass within the existing structural framework. This integration ensures that the shading component's weight is distributed within the module's overall structure rather than being concentrated at the front end, preserving the UAV's center of gravity and gimbal stability.
Data Source
AI summary
An image capturing module includes a casing, a lens component arranged in the casing, and a lens shade disposed directly facing the lens component and having a thin plate shape. The lens shade includes a first bottom surface close to the lens, a second bottom surface disposed opposite to the first bottom surface and away from the lens, a snap portion configured to snap the lens shade with the casing, and a light incoming pathway running through the lens shade to allow external light to enter the lens. The light incoming pathway includes a first light inlet formed at the first bottom surface and a second light inlet formed at the second bottom surface. A size of the second light inlet is greater than a size of the first light inlet.