High-Emissivity Smoking Capsule for Accurate IR Temperature Sensing
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Solution Overview
Problem
Heat-not-burn smoking devices face challenges in heating smoking materials efficiently due to low heat conduction, limited temperature, small area of contact, and large distance between the heating element and the smoking material, especially when designed to resemble traditional cigarettes.
Innovation Solution
The solution involves providing a capsule with a heating element that has a larger area of contact and a reduced distance to the smoking material by flattening the capsule, using metallic or magnetically-heated materials, and incorporating electrodes to apply mechanical pressure for flattening and resistive or magnetic induction heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the capsule is designed to resemble a traditional cigarette with a cylindrical shape, then user acceptance and habitual preference are improved, but the distance between the heating element and smoking material increases, reducing heating efficiency
Solution Approach 1:
The capsule is divided into distinct functional zones: a flattened smoking material portion for efficient heating and a separate cylindrical mouthpiece portion for user comfort. This segmentation allows each zone to optimize its shape for its specific function while maintaining overall cigarette-like appearance.
Solution Approach 2:
The smoking material portion transitions from a traditional cylindrical three-dimensional form to a flattened two-dimensional configuration, reducing the distance between the heating element and smoking material while preserving the external cigarette-like silhouette through the separate mouthpiece design.
2Productivity
If the capsule is flattened to reduce distance between heating element and smoking material, then heating efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The capsule is divided into distinct functional zones: a flattened smoking material portion for efficient heating and a separate cylindrical mouthpiece portion for user comfort. This segmentation allows each zone to optimize its shape for its specific function while maintaining overall cigarette-like appearance.
Solution Approach 2:
The capsule structure transitions from a uniformly cylindrical shape to a flattened configuration in the smoking material region, changing the geometric parameters to reduce distance between the heating element and smoking material while maintaining manufacturability through standardized components.
3Productivity
If the area of contact between heating element and smoking material is increased, then heating efficiency is improved, but the capsule structure becomes more complex
Solution Approach 1:
The capsule is divided into distinct functional zones: a flattened smoking material portion for efficient heating and a separate cylindrical mouthpiece portion for user comfort. This segmentation allows each zone to optimize its shape for its specific function while maintaining overall cigarette-like appearance.
Solution Approach 2:
The smoking material portion transitions from a traditional cylindrical three-dimensional form to a flattened two-dimensional configuration, reducing the distance between the heating element and smoking material while preserving the external cigarette-like silhouette through the separate mouthpiece design.
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 enhances heating efficiency and uniformity, maintaining the appearance of a traditional cigarette while ensuring hygienic, single-use capsules.
Implementation Method 1
The smoking device is configured to heat the smoking material, such as to generate vapors containing active agents within the smoking material in a heat-not-burn manner
Implementation Method 2
incorporating electrodes to apply mechanical pressure for flattening
Implementation Method 3
using metallic or magnetically-heated materials, and incorporating electrodes to apply mechanical pressure for flattening and resistive or magnetic induction heating
Implementation Method 4
using metallic or magnetically-heated materials, and incorporating electrodes to apply mechanical pressure for flattening and resistive or magnetic induction heating
Data Source
AI summary
Apparatus and methods are provided for use with a smoking device that includes an infrared temperature sensor. A capsule includes a smoking material containing one or more active agents. A metallic foil is disposed around at least a portion of the smoking material, the metallic foil being configured to vaporize one or more of the active agents from within the smoking material, by the metallic foil being heated by the smoking device via resistive heating. A coating is disposed around at least a portion of the metallic foil at which the infrared temperature sensor is configured to detect a temperature of the capsule, and/or the portion of the metallic foil is treated, such that the portion of the metallic foil has an emissivity value of at least 0.5. Other applications are also described.