Aerosol Generation With Conductive Tubular Heating Layers
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Solution Overview
Problem
Existing inhalation devices require improvements in heating efficiency to enhance user experience.
Innovation Solution
An aerosol generation system with a tubular body containing a substrate, laminated resistive heating layers and electrically insulating layers, and a power source unit, where the resistive heating layers are connected through the tubular body to a power source via protruding end portions, allowing efficient heat generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a coating of electrically insulating material is formed on the heating chamber surface and a Joule heater coating is added, then heating function is achieved, but manufacturing complexity increases
Solution Approach 1:
The patent combines the heating function and electrical insulation function into a single integrated structure. The tubular body itself serves as the heating element through resistive heating layers laminated on its outer surface, while simultaneously providing structural support and electrical insulation through its material properties and the insulating layers. This merging eliminates the need for separate heating chamber coatings and Joule heater coatings, reducing manufacturing steps and complexity.
Solution Approach 2:
The tubular body structure serves multiple functions simultaneously: it provides mechanical support, electrical insulation, and heat generation through the integrated resistive heating layers. The end portions of the tubular body serve as both structural elements and electrical connection points, eliminating the need for separate connection components. This self-service approach reduces the number of parts and assembly steps required.
2Use of energy by moving object
If resistive heating layers are laminated onto the tubular body with protruding end portions for electrical connection, then heating efficiency improves, but manufacturing precision requirements increase
Solution Approach 1:
The electrical insulating layers are laminated onto the tubular body before the resistive heating layers are applied. This preliminary action establishes a stable base layer that defines the positioning framework for subsequent heating layer lamination, ensuring proper alignment and reducing precision requirements during the heating layer application process.
Solution Approach 2:
The electrical insulating layers serve as an intermediary between the tubular body and the resistive heating layers. This intermediate layer facilitates the lamination process by providing a stable surface for heating layer attachment, ensuring proper electrical isolation, and maintaining the structural integrity of the integrated heating element during manufacturing.
3Use of energy by moving object
If the tubular body is made of electrically conductive material with integrated heating layers, then heating efficiency improves, but electrical insulation requirements increase
Solution Approach 1:
The electrical insulating layers are selectively applied only in specific locations where electrical isolation is required, such as between the resistive heating layers and the tubular body surface, and at connection points. This localized insulation approach ensures electrical reliability while minimizing the amount of insulating material needed and maintaining heating efficiency in the active regions.
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
Improves heating efficiency and user experience by ensuring precise lamination and connection of heating layers, reducing defects and enhancing manufacturing accuracy.
Implementation Method 1
a plurality of resistive heating layers 42 that are laminated onto the outer side of a side wall 54 of the accommodating portion 50
Implementation Method 2
The resistive heating layers and the first electrically insulating layers may each be laminated using a vapor deposition process or a printing process
Data Source
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AI summary
[Problem] To provide a mechanism capable of further improving the quality of a user experience. [Solution] An aerosol generation system comprising a tubular body that accommodates a substrate containing an aerosol source, a plurality of resistive heating layers that are laminated onto the outer side of a side wall of the tubular body, a plurality of first electrically insulating layers that are laminated onto the outer side of the side wall of the tubular body, inward of the resistive heating layers, and a power source unit for supplying power to the resistive heating layers, wherein: the tubular body is made of an electrically conductive material; and at least one of the two end portions of each resistive heating layer protrudes from the first electrically insulating layer and is connected to the tubular body, is electrically connected via the tubular body to another resistive heating layer adjacent to the resistive heating layer, and is electrically connected to the power source unit via the other resistive heating layer.