Rigid Double-Wall Fanny Pack Thermal Insulation
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Solution Overview
Problem
There is a need for a secure and portable solution to maintain temperature-sensitive items, such as medications and electronics, within a specific temperature range to prevent damage from extreme environments, as existing storage methods like coolers are cumbersome and limit mobility.
Innovation Solution
A thermally insulated fanny pack system with a rigid double-wall bin filled with insulating material or gas, equipped with detachable thermal liners and a secure belt for hands-free carrying, which maintains temperature stability through inert gases and thermal control materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If items are stored in a cooler to maintain temperature, then temperature stability is improved, but portability and mobility deteriorate due to cumbersome size and weight
Solution Approach 1:
The invention divides the temperature control function into two segments: a rigid double-wall bin structure that provides thermal insulation and a separate thermal liner that actively maintains temperature. This segmentation allows the system to be smaller and more portable while still providing effective temperature control for medications and sensitive items.
Solution Approach 2:
The thermal liner is nested inside the rigid double-wall bin, creating a compact nested structure. The thermal liner contains phase change materials or ice packs that are inserted into the bin, which itself is worn on the person's body. This nested arrangement maximizes insulation efficiency while minimizing overall size and weight for portable use.
2Volume of stationary object
If a backpack is used to carry items, then capacity is improved, but comfort and mobility deteriorate due to heat accumulation and weight distribution
Solution Approach 1:
The invention extracts the temperature-sensitive items from the general backpack storage and places them in a dedicated rigid double-wall bin with active thermal control. This separation removes the harmful effect of heat accumulation from the items while maintaining the ability to carry essential medications and electronics in a comfortable, mobile configuration.
Solution Approach 2:
The rigid double-wall bin provides localized thermal insulation specifically where needed - around temperature-sensitive medications and electronics - rather than requiring the entire backpack to be thermally controlled. This local quality approach maintains comfort for the wearer while protecting specific items from temperature extremes.
3Temperature
If thermal liners are added to control temperature, then temperature control precision is improved, but device complexity increases
Solution Approach 1:
The thermal liner is designed to be self-regulating through phase change materials that automatically absorb or release heat at specific temperatures without requiring external power or control systems. The rigid double-wall bin structure passively provides insulation without active cooling mechanisms, maintaining temperature control precision while minimizing system complexity and avoiding the need for electronic temperature monitoring or active cooling devices.
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
The system effectively maintains temperature-sensitive items within a stable range, preventing damage from extreme temperatures and condensation, while providing mobility and convenience for carrying essential items.
Implementation Method 1
The insulating gap may be filled with an insulating gas, such as argon, helium, krypton or xenon, and these gases may be inert noble gases that are non-reactive. A vacuum space is a very thermally insulating layer.
Implementation Method 2
The insulating gap may be maintained by the rigid interior and exterior walls of the bin portion, which may be metal, to prevent gas from diffusing out of the insulating gap or diffusing into the insulating gap.
Implementation Method 3
One or more detachably attachable thermal liners may be configured to fit within the bin portion to control the temperature within the interior of the bin portion enclosure.
Implementation Method 4
The thermal liners may be chilled or heated prior to insertion into the bin portion.
Data Source
AI summary
A thermally insulated fanny pack containment system provides secure containment of temperature sensitive articles in either hot or cold environments by utilizing a rigid double wall bin portion that has an insulating gap between the inner and outer walls. A cover, which is also rigid double wall construction is configured to extend over the top opening of the bin portion and latch down to secure the cover over the bin portion. A belt is coupled to the bin portion and is configured to extend around a person's waist. One or more detachably attachable thermal liners that are chilled or heated may be configured to fit within the bin portion to control the temperature within the interior of the bin portion enclosure. The thermal liners may have fasteners for securing an article within the bin portion. A bottle-in-bottle may be utilized to prevent moisture exposure to contents therein.