Embedded Heating Aerosol Substrate to Prevent Chamber Contamination
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Solution Overview
Problem
Aerosol generating products face issues where solid particles adhere to the heating element and contaminate the heating chamber, necessitating frequent cleaning and potentially damaging the element.
Innovation Solution
An aerosol generating substrate with integrated heating elements and channels that prevent solid particles from falling into the heating chamber by arranging the heating element within the substrate, allowing for electric energy transfer without direct insertion, thus reducing contamination and cleaning workload.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the heating element is inserted into the aerosol-generating product to heat it from the inside, then the heating efficiency is improved, but solid particles fall into the heating chamber and contaminate the device, increasing cleaning workload and potentially damaging the heating element
Solution Approach 1:
The heating system is divided into two separate components: the heating element remains fixed in the heating chamber, while the aerosol substrate contains embedded heating coils. This segmentation allows the aerosol substrate to be heated from the inside (maintaining heating efficiency) while preventing solid particles from falling into the heating chamber (reducing contamination), as the substrate acts as a container that holds particles during the heating process
Solution Approach 2:
The aerosol substrate serves as an intermediary between the heating element and the aerosol generation process. The substrate contains its own heating coils that directly heat the aerosol-forming materials, eliminating the need for the heating element to contact the materials. This intermediary structure allows efficient heating while preventing particle contamination of the heating chamber
2Use of energy by moving object
If the heating element is inserted into the aerosol-generating product, then direct heating is achieved, but the device complexity increases due to the need for insertion and removal mechanisms
Solution Approach 1:
The heating coils are merged directly into the aerosol substrate structure, creating an integrated heating assembly. This eliminates the need for separate insertion and removal mechanisms, as the substrate with embedded heating coils is handled as a single unit. The merging of heating functionality into the substrate reduces device complexity while maintaining direct heating capability
3Productivity
If the heating element is repeatedly inserted and removed from the aerosol-generating product, then heating operations can be performed, but the heating element may be damaged due to improper cleaning
Solution Approach 1:
The heating element is extracted from the aerosol substrate, with the heating coils embedded only in the substrate and not in the heating chamber. This extraction means the heating element remains fixed and stationary in the device, eliminating exposure to cleaning operations that could cause damage. The substrate, which contains any residues, is removed and replaced, protecting the heating element while maintaining operational productivity
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 effectively prevents solid particles from contaminating the heating chamber, reducing user maintenance and ensuring efficient aerosol generation without damaging the heating element.
Implementation Method 1
the heating element is provided with at least an electromagnetic induction portion, configured to generate heat by inducting a change of an external magnetic field
Implementation Method 2
the heating element includes a conductive heating portion and a contact portion electrically connected to the electric heating portion, and the contact portion is configured to be in contact with an external power supply terminal, for the conductive heating portion to be electrified to generate heat
Data Source
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AI summary
Embodiments of this application provide an aerosol generating substrate and an aerosol generating article. The aerosol generating substrate includes an aerosol substrate and a heating element, the aerosol substrate is provided with channels, and the channel extends through at least one end of the aerosol substrate along the length direction; and the heating element is arranged in the aerosol substrate and configured to heat the aerosol substrate. In the aerosol generating substrate of the embodiments of this application, because the heating element is arranged in the aerosol substrate, after the aerosol generating article is inserted into a heating chamber, an aerosol generating device has no structure inserted into the aerosol substrate, and only an electric energy output portion needs to transmit electric energy to the heating element. In this way, when the aerosol generating substrate is separated from the aerosol generating device after finishing heating, solid powder particles generated after the aerosol substrate is heated are not easy to fall into the heating chamber and contaminate the heating chamber. This can reduce a cleaning workload of a user.