Adaptable Hood for Security Camera Glare Reduction
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Solution Overview
Problem
Conventional security cameras installed in light fixtures often suffer from glare issues due to reflection from glass surfaces, as existing hoods are not adequately large or flexible to shield the camera from unwanted light, especially when the camera is tilted or positioned against curved glass surfaces.
Innovation Solution
The security camera system incorporates adaptable hoods made of flexible materials such as rubber or plastic, with configurations like truncated cones, accordion shapes, or nested cylinders that can extend beyond the lens and conform to irregular surfaces, ensuring the entire perimeter contacts the glass to block stray light, thereby reducing glare.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional fixed hood is used to shield the camera from glare, then the structure is simple, but the hood cannot adequately shield the camera when the camera is tilted or positioned against curved glass surfaces
Solution Approach 1:
The hood is designed with flexible materials and collapsible sections that allow it to dynamically change its shape and configuration. The hood can be collapsed to different extents depending on the curvature of the glass surface, enabling adaptation to various installation positions including tilted and curved surfaces while maintaining a relatively simple base structure.
Solution Approach 2:
The hood incorporates flexible materials that allow it to conform to irregular glass surfaces. This flexibility enables the hood to maintain effective shielding geometry even when the camera is positioned at angles or against curved surfaces, resolving the contradiction between adaptability and structural simplicity.
2Object-affected harmful factors
If the hood is made larger to block more stray light, then glare reduction improves, but the device size and complexity increase
Solution Approach 1:
The hood is divided into multiple collapsible sections that can be folded or extended as needed. This segmentation allows the hood to achieve a larger effective shielding volume when required to block stray light, while maintaining a compact form factor when the full shielding capability is not needed, thus resolving the contradiction between glare reduction and device volume.
3Adaptability or versatility
If the hood is made rigid to maintain shielding geometry, then the shielding effectiveness is stable, but the hood cannot conform to irregular or curved glass surfaces
Solution Approach 1:
The hood employs a dynamic structure with flexible materials that can adapt its shape to irregular surfaces. The collapsible design allows the hood to maintain stable shielding geometry relative to the glass surface it contacts, while the flexibility enables it to conform to curved or tilted surfaces, resolving the contradiction between adaptability and shape stability.
Data Source
AI summary
A security device comprising a body having a first end and a second end, the first end being threadable into a light socket and the second end having a rotatable mount disposed thereon. The body may also include a light source disposed on the body of the security device and a slide connected to the rotatable mount, wherein the slide is configured to extend away from the mount. A camera with a lens may be disposed on a distal portion of the slide. The security device may further include a hood surrounding the lens of the camera and extending beyond the lens of the camera.