Repositionable Team Shelter Canopy for Wind-Induced Tip-Over
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Solution Overview
Problem
Conventional team shelters are susceptible to wind-induced tip-overs due to their fully enclosed design, which can lead to costly damage and repair.
Innovation Solution
A repositionable canopy system that allows the shelter's canopy to be adjusted between a raised and lowered position, reducing wind resistance and preventing tip-overs by altering the aerodynamic profile and creating a reduced front entrance opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the canopy is positioned in a raised orientation to provide protection and access, then user access and protection are improved, but wind resistance increases causing tip-overs
Solution Approach 1:
The canopy is designed to be dynamically repositionable between a raised orientation (providing access and protection during calm conditions) and a lowered orientation (reducing wind resistance during high winds). This dynamic adjustment allows the shelter to adapt to changing environmental conditions, resolving the contradiction between maintaining user access and preventing wind-induced tip-overs.
2Ease of operation
If the canopy is positioned in a raised orientation to define a front facing opening, then access is improved, but stability against wind-induced tip-over deteriorates
Solution Approach 1:
The repositionable canopy system allows the shelter to dynamically adjust its configuration based on wind conditions. During calm periods, the canopy remains in the raised orientation to maintain stability and provide user access. When high winds are detected or anticipated, the canopy can be lowered to reduce the aerodynamic profile and prevent tip-overs, thus resolving the contradiction between access and stability.
3Stability of the object's composition
If the canopy is repositioned to a lowered orientation to reduce wind resistance, then stability is improved, but air circulation deteriorates
Solution Approach 1:
The canopy operation follows a periodic pattern: during calm conditions, the canopy remains raised to allow air circulation and protect users; when high winds occur, the canopy is lowered to reduce wind resistance and prevent tip-overs. This periodic adjustment between the two orientations allows the system to balance air circulation needs with stability requirements under varying environmental conditions.
Data Source
AI summary
A shelter such as a team shelter includes, for example, a frame structure having left and right frames, and a canopy. The canopy is positionable in a first position with a front portion of the canopy disposed at a first elevation between front portions of the left and right frames so that the front portion of the canopy, and front portions of the left and right frames to define a front facing opening allowing access by one or more people into the shelter and under the canopy. The canopy is positionable in a second position with the front portion of the canopy disposed at a second lower elevation relative to the left and right frames so that the canopy disposed in the second position results in the shelter being less susceptible to wind induced tip over compared to the shelter with the canopy disposed in the first position.