Consumable Article Detection Element for Used-Article Lockout
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Solution Overview
Problem
Existing aerosolisable material heating devices lack the ability to differentiate between new and used consumable articles, leading to potential inefficiencies and misuse, such as heating used or incompatible articles.
Innovation Solution
Incorporation of a displaceable detectable element in the consumable article that shifts positions in response to use, allowing the device to detect and prevent heating of used or incompatible articles by aligning with a sensor in the apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a detectable element system is added to differentiate between new and used consumable articles, then the ability to prevent misuse and optimize performance is improved, but the device complexity increases
Solution Approach 1:
The detectable element is extracted as a separate, independent component within the consumable article. This simple binary indicator (present/absent, first position/second position) provides reliable detection capability without requiring complex sensing systems in the apparatus, thereby improving reliability while minimizing the increase in overall system complexity
Solution Approach 2:
Instead of using complex sensors to detect the state of the consumable article, the system uses a simple detectable element that creates a detectable signal (presence/absence, position) which can be read by a simple sensor in the apparatus. This copying approach simplifies both the consumable article design and the apparatus detection mechanism
2Measurement precision
If a displacement mechanism is incorporated to move the detectable element, then the ability to indicate used status is improved, but the manufacturing complexity increases
Solution Approach 1:
The displacement mechanism exploits changes in physical parameters (temperature, phase) of the holding material during normal use of the consumable article. The holding material transitions from a solid holding state to a softened or melted state, automatically enabling displacement without requiring externally controlled mechanisms, thereby maintaining ease of manufacture while achieving precise state detection
Solution Approach 2:
The displacement mechanism is self-activating through the normal heating process of using the consumable article. The heat required to volatilize the aerosolisable material also heats the holding material, causing it to soften or melt and release the detectable element. This self-service approach eliminates the need for separate actuation systems, simplifying manufacturing while ensuring reliable displacement
3Extent of automation
If the holding material is designed to soften or melt during use, then the automatic displacement function is improved, but the temperature control requirements increase
Solution Approach 1:
The holding material is designed to undergo a phase transition (solid to liquid or soft solid) at a temperature that is naturally reached during the normal heating process of the consumable article. This phase transition automatically triggers the displacement of the detectable element, providing an automatic function that leverages the existing temperature profile rather than requiring precise temperature control
Solution Approach 2:
The heat required to volatilize the aerosolisable material, which could potentially be seen as excess heat that needs control, is instead utilized to trigger the phase transition of the holding material. This converts the thermal energy into a useful function (automatic displacement) without requiring additional temperature control mechanisms, thereby maintaining simplicity while achieving automation
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
Ensures that only new consumable articles are heated, preventing inefficiencies and misuse by ensuring the device only activates when a valid, unused article is present, thereby optimizing performance and user safety.
Implementation Method 1
The detectable element has a Curie point above ambient temperature and below a Curie point of the heating element. The detectable element is heated by the heating element to a temperature above the Curie point of the detectable element
Implementation Method 2
The apparatus comprises a heating element arranged to heat the consumable article; a detectable element in a consumable article received in the apparatus is heated by the heating element
Data Source
Figure 1a
Figure 1b
Figure 2~3b
AI summary
A consumable article for use with an apparatus arranged to heat aerosolisable material to volatilise at least one component of the aerosolisable material is disclosed. The consumable article comprises a detectable element that is arranged in a first position prior to use of the consumable article. The detectable element is displaceable to a second position after use of the consumable article. In the first position the detectable element is detectable by the apparatus to enable the apparatus to heat the consumable article.