VESDA Flange Mounting for Aesthetic Integration
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Solution Overview
Problem
VESDA systems face challenges with periodic, labor-intensive maintenance due to sampling tube blockages and aesthetically unpleasing designs, especially in culturally significant and high-profile locations where minimal invasiveness and natural appearance are crucial.
Innovation Solution
A flange device with a tapeable edge is used to mount VESDA sampling tubes, compatible with common construction materials like spackle or joint compound, allowing for easy installation and camouflage within the structural aesthetic, preventing obstructions and maintaining a clean appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If sampling tubes are exposed and accessible for maintenance, then maintenance can be performed, but the tubes become vulnerable to obstructions and appear aesthetically unpleasing
Solution Approach 1:
The sampling tube is nested within a protective well structure that is recessed into the support structure. The tube extends through the support structure into the well, allowing maintenance access while the well walls protect against obstructions from construction materials and other environmental factors.
2Ease of manufacture
If VESDA system components are visible and accessible, then installation and maintenance are easier, but the appearance becomes aesthetically unpleasing in cultural and heritage buildings
Solution Approach 1:
The protective well is designed with specific local characteristics: a recessed structure that blends with the support structure's surface, a flange at the opening for secure attachment, and a tapered portion that facilitates installation. These localized features provide both aesthetic integration and functional benefits without requiring complex overall redesign.
Solution Approach 2:
The protective well acts as an intermediary element between the sampling tube and the external environment. It provides a transition zone that protects the tube while maintaining aesthetic appearance, and includes a flange that mediates the connection between the tube assembly and the support structure.
3Reliability
If protective structures are added around sampling tubes, then obstructions are prevented, but installation complexity and device complexity increase
Solution Approach 1:
The protective structure is segmented into distinct functional portions: a flange for attachment to the support structure, a substantially cylindrical portion for protection, and a tapered portion for installation guidance. This segmentation allows each portion to perform its specific function efficiently while keeping the overall design relatively simple.
Solution Approach 2:
Instead of protecting the sampling tube by making it more robust or by creating complex external barriers, the solution inverts the approach by creating a recessed protective well that allows the tube to be protected passively through its positioning within the well structure, simplifying the overall protection mechanism.
Data Source
AI summary
A flange for use in a VESDA system is formed with a planar base section having a central aperture, a first surface and a second surface disposed opposite to each other. A longitudinal portion extends outwardly from the first surface of the planar base section and having an aperture therethrough. The aperture of the longitudinal portion is aligned with the central aperture of said planar base section. A flange section extends outwardly from the second surface of the base section opposite said longitudinal portion. The flange section has an aperture therethrough. The aperture of the flange section is aligned with the central aperture of the base section and with the aperture of the longitudinal portion.