Thermochromic Ring for Beverage Temperature Indication
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Solution Overview
Problem
Existing beverage containers with thermochromic temperature indicators face challenges in maintaining temperature insulation and longevity due to the opaque nature of stainless steel, which hinders the visibility and durability of thermochromic materials in vacuum-insulated vessels.
Innovation Solution
A system utilizing a thermochromic material in thermal contact with the beverage, combined with a chromatic member that reversibly covers and exposes the material to the user, allowing temperature monitoring without compromising insulation, and featuring a removable thermochromic attachment for extended functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If thermochromic material is placed on the exterior of a vacuum-insulated container, then temperature indication is visible, but the container's insulating efficacy is impaired
Solution Approach 1:
The thermochromic material is nested within the vacuum insulation chamber, positioned between the inner and outer walls. This allows the material to be thermally coupled to the beverage while remaining physically protected within the insulated structure, achieving both temperature indication and thermal insulation without compromise.
Solution Approach 2:
A transparent or translucent window is introduced as an intermediary element that allows optical transmission of the thermochromic color change while maintaining thermal insulation. The window material is selected to have low thermal conductivity, thus preserving insulation efficacy while enabling temperature visualization.
2Loss of information
If thermochromic material is exposed on the container exterior, then temperature is visible, but the material degrades faster due to light exposure
Solution Approach 1:
The thermochromic material is nested within the insulated chamber, partially shielded from direct light exposure while still allowing the color change to be observed through the transparent window. This reduces UV and light degradation while maintaining temperature indication functionality.
Solution Approach 2:
The design anticipates light degradation by pre-shielding the thermochromic material within the insulated structure, reducing its exposure to harmful light before degradation can occur. This preliminary protective action extends the material's functional life.
3Strength
If the container uses opaque stainless steel walls, then structural integrity and insulation are maintained, but thermochromic material visibility is blocked
Solution Approach 1:
The container structure transitions from uniformly opaque stainless steel to a localized configuration with a transparent or translucent window section. This local modification allows light transmission for thermochromic visibility while the majority of the container maintains its opaque, insulating stainless steel structure.
Solution Approach 2:
The thermochromic indication system is nested within the insulated chamber and observed through a window, separating the structural function (opaque stainless steel) from the indication function (transparent window with thermochromic material).
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
Enables easy, eco-friendly, and cost-effective temperature indication of beverages within insulated containers while maintaining thermal insulation and extending the life of the thermochromic material, allowing for faster cooling without spills and preserving the beverage's temperature.
Implementation Method 1
thermochromic material that changes color in response to temperature changes
Implementation Method 2
Vacuum-insulated vessels typically enclose the beverage in vacuumized double walls of stainless steel to prevent heat loss
Implementation Method 3
a thermal member configured to conduct thermal energy from the interior of the container to the exterior of the container without opening the liquid to the environment
Data Source
AI summary
A beverage serving system is disclosed having features for indicating the temperature of a beverage inside prior to consumption. In an embodiment, a thermochromic ring may visually indicate the temperature of the beverage to a user. A thermochromic ring in a window to offer a colorful 360° display that can be read at a glance from across a room. In embodiments of the invention, thermochromic material can be reversibly attached. In an embodiment, a thermal gap may be incorporated adjacent the thermochromic ring to expedite thermal transfer during temperature monitoring.