Infrared Heating Structure for Rapid, Uniform Aerosol Atomization
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Solution Overview
Problem
Existing aerosol generating devices face issues with overheating of the aerosol forming substrate due to high working temperatures of the heating element, leading to poor puffing taste and prolonged preheating times, which negatively impact consumer experience.
Innovation Solution
A heating structure with a heating element and a tube body that allows infrared light waves to pass through, featuring a gap between the heating element and the tube wall, enabling the heating element to reach temperatures up to 1000°C while maintaining the tube body surface temperature below 350°C, thus improving puffing taste and reducing preheating time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the heating element works at high temperature, then the preheating time is reduced, but the aerosol forming substrate will be overheated and the puffing taste will deteriorate
Solution Approach 1:
The patent introduces a tube body as an intermediary component between the heating element and the aerosol forming substrate. This tube body acts as a thermal mediator that allows infrared radiation to pass through while controlling the temperature transmission, enabling high-temperature heating without direct overheating of the substrate.
Solution Approach 2:
The patent replaces direct thermal conduction heating with infrared radiation heating. The heating element radiates infrared light waves that pass through the tube body to heat the aerosol forming substrate, substituting the traditional mechanical thermal conduction system with an optical/thermal radiation system that allows higher temperatures without direct contact overheating.
2Object-affected harmful factors
If the heating element temperature is limited to below 400°C, then the aerosol forming substrate will not be overheated, but the preheating time becomes prolonged
Solution Approach 1:
The patent changes the heating mechanism parameter from thermal conduction to infrared radiation. This parameter change allows the heating element to operate at temperatures above 400°C (even reaching 1000°C) while the tube body surface temperature remains controlled below 350°C, thus resolving the contradiction between heating speed and overheating control.
3Productivity
If the heating element is placed close to the aerosol forming substrate, then heating efficiency is improved, but the temperature distribution becomes uneven and overheating occurs
Solution Approach 1:
The patent transitions from contact-based heating to radiation-based heating, adding the dimension of infrared light wave transmission. The heating element radiates infrared energy that passes through the tube body in a controlled manner, creating uniform temperature distribution across the aerosol forming substrate without the localized overheating that occurs with direct contact heating.
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 ensures uniform atomization of the aerosol forming substrate without overheating, achieving rapid preheating and enhancing consumer experience by allowing quick temperature adjustments and precise atomization.
Implementation Method 1
a heating portion arranged longitudinally and configured to radiate the infrared light waves in a power-on state
Implementation Method 2
a tube body for infrared light waves to pass through
Data Source
AI summary
A heating structure includes: a heating element; and a tube body for infrared light waves to pass through. A gap is provided between the heating element and a tube wall of the tube body. The heating element includes a heating portion arranged longitudinally for radiating the infrared light waves in a power-on state, and a conductive portion for connecting with power for the heating portion. A thickness of the tube wall of the tube body is 0.1 mm-1 mm.