Segmented Infrared Emitter for Gradual Smokable Material Heating
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Solution Overview
Problem
Existing heating devices release volatile substances from tobacco products too quickly, leading to inefficient aerosol generation.
Innovation Solution
An aerosol-generating device with a chamber and an infrared emitter featuring multiple, independently activatable infrared emission regions that heat different portions of the smokable material sequentially or alternately, allowing controlled and gradual heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the infrared emission coating completely surrounds the tobacco product region, then the heating coverage is improved, but the volatile substances are released too quickly
Solution Approach 1:
The infrared emitter is divided into multiple independently controllable emission regions (first infrared emission region, second infrared emission region, etc.) arranged along the circumferential direction. These segmented regions can be activated sequentially or alternately to provide stepwise heating, preventing the tobacco product from being heated too rapidly while maintaining comprehensive heating coverage.
Solution Approach 2:
The patent implements periodic or sequential activation of different infrared emission regions rather than continuous simultaneous heating. By controlling the emission regions to operate in sequences or alternating patterns, the heating process becomes gradual and controlled, allowing volatile substances to be released at an optimized rate for efficient aerosol generation.
2Manufacturing precision
If multiple infrared emission regions are added to enable stepwise heating, then the control precision is improved, but the device complexity increases
Solution Approach 1:
The infrared emitter is segmented into multiple independently controllable emission regions with distinct control circuits. Each region can be activated independently through separate control signals, enabling precise control over the heating process. The segmented design allows for flexible programming of heating sequences while maintaining a relatively simple overall structure.
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 device achieves controlled and efficient aerosol generation by heating smokable materials uniformly, optimizing the release of volatile components for inhalation.
Implementation Method 1
an infrared emitter configured to radiate infrared rays toward the chamber to heat the smokable material
Implementation Method 2
after the conductive coating is connected to a power supply for supplying power, the nano-far infrared coating generates heat by itself in the power supply
Data Source
AI summary
An aerosol-generating device comprises an infrared emitter and an electric core for supplying power to the infrared emitter, the infrared emitter comprises at least one first infrared emission region and at least one second infrared emission region arranged in sequence along the circumferential direction of the chamber; the first infrared emission region and the second infrared emission region are independently activatable to independently radiate infrared rays into the chamber to heat different portions of the smokable material. In the above aerosol-generating device, the regions of the smokable material receiving chamber which are different along the circumferential direction correspond to the first infrared emission region and the second infrared emission region, respectively, and can be independently heated by the first infrared emission region and the second infrared emission region, respectively, in use, so that the smokable material can be gradually heated from part to whole in use.