Double-Lens Breathable Mask with Segmented Eye and Nose Sealing
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Solution Overview
Problem
Current full-face snorkeling masks use a large, single-lens design that covers the face, including eyes, nose, and mouth, making it impractical to implement a double-lens type that covers only the eyes, limiting design flexibility and user comfort.
Innovation Solution
A double-lens breathable mask design where the lens frame only covers the eyes, with separate left and right lenses, and a waterproof sealing skirt covering the nose and mouth, allowing for a more forward-centered lens frame assembly that enhances breathing by reducing internal volume and facilitating equalization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large single-lens design is used to cover the face (eyes, nose, and mouth), then the mask provides complete facial coverage, but the mask becomes bulky and heavy, and the lens area is excessive
Solution Approach 1:
The mask is divided into separate functional components: a dual-lens assembly for eye coverage and a separate skirt assembly for nose and mouth coverage. This segmentation allows each component to be optimized independently, reducing the overall mask weight while maintaining complete facial coverage.
Solution Approach 2:
The invention extracts the lens function from the full-face coverage structure, creating a separate dual-lens assembly that can be combined with a minimal skirt. This extraction eliminates the need for a large single lens covering the entire face, significantly reducing mask weight and bulk.
2Device complexity
If a single-lens design is used to cover the entire face, then the mask structure is simpler, but the field of vision is limited and the lens is more prone to breakage
Solution Approach 1:
The single lens is segmented into two separate lenses (left and right), each optimized for its specific viewing function. This segmentation increases the total field of view while reducing the size and breakage risk of individual lenses, though it does increase structural complexity slightly.
Solution Approach 2:
The invention transitions from a single-lens planar design to a dual-lens three-dimensional arrangement positioned at different depths and angles. This dimensional change allows for an expanded field of view while maintaining a more compact overall mask structure.
3Reliability
If the lens frame extends downwards to cover the nose and mouth, then the mask provides full facial coverage, but the lens frame becomes larger and more complex
Solution Approach 1:
The lens frame is segmented into two independent lens units positioned superiorly, separating the eye coverage function from the nose and mouth coverage function. This segmentation reduces the complexity of each lens frame while maintaining complete facial coverage through the combination of dual lenses and skirt.
Solution Approach 2:
The invention extracts the nose and mouth coverage function from the lens frame structure, assigning it to a separate skirt component. This extraction simplifies the lens frame design while maintaining full facial coverage through the combined system.
4Illumination intensity
If a double-lens design is used with separate left and right lenses, then the field of vision is increased and mask size is reduced, but the lens frame requires precise positioning and alignment
Solution Approach 1:
The two separate lenses are merged into a single integrated dual-lens assembly unit that functions as one cohesive structure. This merging simplifies the positioning and alignment process during manufacturing while maintaining the benefits of separate lenses for enhanced field of view.
Data Source
AI summary
A double-lens breathing mask comprises a breathing tube and a body is provided. The body includes a lens frame assembly, two lenses, and a waterproof sealing skirt. The skirt includes an eye skirt portion, a mouth skirt portion, and a nose skirt portion in between, wherein the eye skirt portion and two lenses are embedded in the lens frame assembly. and the nose skirt portion is formed between the two lenses, and protruding forward from a lower portion of the lens frame assembly. When a user puts on the mask, the two lenses only respectively correspond to eyes of the user, and the nose skirt portion and the mouth skirt portion correspond to nose and mouth of the user, respectively.