Portable Spa Glass Wool Insulation for Repairable Thermal Retention
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Solution Overview
Problem
Portable spas lack effective insulation methods, particularly in replacing conventional rigid polyurethane foam insulation with a more efficient and repairable solution.
Innovation Solution
The method involves inverting a portable spa, installing a sealing plate with pivotally mounted doors, and using a glass wool installation apparatus to blow glass wool insulation into the interior, which can replace or supplement the conventional insulation, allowing for easier repair and improved thermal performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rigid polyurethane foam insulation is used in portable spas, then insulation performance is achieved, but repairability and replacement difficulty worsen
Solution Approach 1:
The sealing plate is divided into multiple sections with individual doors that can be opened independently, allowing access to specific areas of the spa for insulation replacement without removing the entire sealing plate
Solution Approach 2:
The sealing plate is designed with removable doors that can be taken out to provide access to the interior of the spa, enabling easy removal and replacement of insulation material
2Reliability
If rigid polyurethane foam insulation is used in portable spas, then thermal insulation is provided, but flexibility and adaptability deteriorate
Solution Approach 1:
The sealing plate incorporates adjustable and movable components including pivotally mounted doors that can be positioned and adjusted to accommodate different spa configurations and insulation requirements
3Ease of manufacture
If conventional insulation methods are used in portable spas, then installation simplicity is maintained, but insulation efficiency deteriorates
Solution Approach 1:
A blowing apparatus is introduced as an intermediary tool to install glass wool insulation through the door openings of the sealing plate, enabling efficient insulation installation without complex manufacturing processes
4Ease of repair
If the sealing plate has multiple door openings for insulation access, then ease of repair improves, but structural complexity increases
Solution Approach 1:
The sealing plate is segmented into multiple sections with individual doors that can be opened independently, providing targeted access to specific areas while maintaining overall structural integrity
Solution Approach 2:
Instead of providing access by removing entire panels, the design uses pivotally mounted doors that open outward from the sealing plate, reversing the conventional approach of panel removal while simplifying the access mechanism
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 approach provides enhanced insulation efficiency, allowing for the removal and replacement of glass wool insulation in the field, improving thermal retention and facilitating repairs, while avoiding the limitations of rigid polyurethane foam.
Implementation Method 1
employing said apparatus to install glass wool insulation into the interior of said portable spa
Data Source
Figure 1
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AI summary
An uninsulated portable spa unit is inverted, and a seal plate having a flat interior surface and a plurality of doors is lowered onto the bottom surface of the inverted spa. The doors are successively opened and glass wool installation apparatus is successively inserted through the door openings and operated to install glass wool insulation into the interior of the spa unit.