Activatable Temperature Indicator with Biasing Mechanism
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Solution Overview
Problem
Existing temperature indicators used in the medical and food industries are often bulky and difficult to activate, and require manual activation that can lead to malfunction due to incorrect finger placement, compromising their reliability.
Innovation Solution
A compact temperature indicator system comprising a housing with a first indicator portion made of a material with a melting point and a second portion that changes color when combined with the first material, activated by a biasing mechanism that ensures contact without requiring direct finger placement, using a conductive cup and insulating member for accurate temperature control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual activation is used to activate the temperature indicator, then the indicator can be activated, but the reliability decreases due to incorrect finger placement causing malfunction
Solution Approach 1:
A biasing mechanism acts as an intermediary between the user's activation action and the indicator materials. The mechanism includes a first indicator portion with a material having a melting point and a second indicator portion that changes color when combined with the first material. A biasing element (such as a spring) maintains the two indicator portions in contact, allowing automatic activation when the container reaches the target temperature without requiring direct finger placement on the indicator materials themselves.
2Volume of moving object
If compact design is implemented, then the indicator size is reduced, but the activation mechanism becomes more difficult to design
Solution Approach 1:
The housing structure is merged with the activation mechanism. The housing contains both the first and second indicator portions and integrates the biasing mechanism within the same compact structure. This merging allows the activation function to be achieved without adding external components, maintaining a compact overall size while providing reliable automatic activation through the integrated biasing element that maintains contact between the indicator portions.
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 solution provides a reliable, easy-to-activate temperature indicator that prevents manual heat interference, ensuring accurate temperature monitoring without the need for direct finger contact, thus maintaining indicator reliability and accuracy.
Implementation Method 1
a first indicator portion held by the housing, the first indicator portion including a first material with a melting point
Implementation Method 2
a second indicator portion held by the housing, the second indicator portion including a second material configured to change color when combined with the first material of the first indicator portion when the first material reaches the melting point
Implementation Method 3
a biasing mechanism configured to bias the first indicator portion and the second indicator portion into contact when the separation member is removed from between the first indicator portion and the second indicator portion
Data Source
AI summary
Apparatuses and methods for indicating when a container has reached a predefined temperature are disclosed. An activatable temperature indicator can include a first indicator portion with a first material with a melting point, and a second indicator portion with a second material configured to change color when combined with the first material of the first indicator portion when the first material reaches the melting point. A separation member can be removeably positioned between the first indicator portion and the second indicator portion, and a biasing mechanism can be configured to bias the first indicator portion and the second indicator portion into contact when the separation member is removed. An attachment mechanism can also be used to place the first indicator portion and the second indicator portion into contact.