Inflatable Pool Bottom Wave-Making Channel Design
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Solution Overview
Problem
Existing inflatable massage pools face issues with deformation and notch formation in the wave-making channel due to inflation pressure, leading to suboptimal bubble or water jet generation and potential ruptures at the junction of the inner wall and bottom.
Innovation Solution
The inflatable pool design features a pool bottom with an annular enclosing strip and overlapping regions with multiple holes, ensuring stable communication between the wave-making channel and the fluid accommodation cavity, while maintaining structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the wave-making channel is arranged on the inner wall or at the junction of the inner wall and pool bottom, then the structure is simple, but the inner wall and wave-making channel deform during inflation, causing undesirable deformations or notches at the hole edges
Solution Approach 1:
The wave-making channel is segmented from the inner wall and positioned on the pool bottom, allowing independent deformation characteristics. The channel is divided into multiple sections with holes at different locations, enabling localized functional optimization while reducing overall structural complexity
Solution Approach 2:
A wave-making channel sheet is introduced as an intermediary component between the pool bottom and the inner wall. This intermediate layer distributes the inflation stress and prevents direct deformation transmission to the hole edges, maintaining structural integrity while simplifying the overall design
2Productivity
If multiple holes are provided in the wave-making channel, then bubble or water jet generation is achieved, but the hole edges are continually pulled during operation, causing deformations or notches after long-term usage
Solution Approach 1:
The wave-making channel sheet has different local properties: the regions with holes are designed to be slightly more flexible to accommodate bubble generation, while the regions without holes have higher tensile strength to resist deformation. This localized quality differentiation allows multiple holes to function effectively while maintaining hole edge durability
Solution Approach 2:
The wave-making channel sheet uses composite material construction with different material layers having complementary properties. The outer layer provides surface integrity and hole edge strength, while the inner layer provides flexibility for bubble generation, creating a composite structure that maintains both productivity and durability
3Productivity
If holes are provided at the junction of the inner wall and bottom, then the wave-making function is achieved, but undesired deformations or notches may cause ruptures at the junction
Solution Approach 1:
The holes are extracted from the junction region and repositioned on the pool bottom surface. This separation removes the stress concentration point from the critical junction area, allowing the junction to maintain its full strength while the holes continue to provide wave-making function
Solution Approach 2:
The hole arrangement is transitioned from a two-dimensional junction location to a three-dimensional position on the pool bottom surface. This dimensional change allows holes to be positioned away from the junction while maintaining wave-making effectiveness, thereby preserving junction strength
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design enhances the durability and effectiveness of the wave-making channel by preventing deformation and notch formation at the holes, ensuring consistent bubble or water jet generation and reducing the risk of ruptures.
Implementation Method 1
a wave-making channel in the pool is generally inflated to a high pressure by means of an air pump
Implementation Method 2
a porous elastic material is disposed within an accommodation space between the outer bottom sheet and the inner bottom sheet
Data Source
AI summary
An inflatable pool includes a pool wall and a pool bottom which define a fluid accommodation cavity. The pool wall includes an inflatable chamber, and the pool bottom includes an outer bottom sheet and an inner bottom sheet. The inflatable pool further includes a wave-making channel arranged at the pool bottom and formed by enclosing strip strip connected to the inner bottom sheet and the outer bottom sheet respectively. The inner bottom sheet includes an inner annular rim connected to the outer bottom sheet to form the annular wave-making channel, and an outer annular rim of the inner bottom sheet is connected to the strip to form an overlapping region. Holes are formed through the overlapping region, and the wave-making channel is in fluid communication with the fluid accommodation cavity via the holes.