Sheet-Shaped Heating Element for Rapid Vaporization
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Solution Overview
Problem
Conventional electronic vaporizers are not suitable for electromagnetic vaporization, leading to inefficient aerosol generation and particle size issues, as they produce harmful substances at high temperatures and struggle with high viscosity liquids and particle size requirements for human consumption.
Innovation Solution
A heating unit with a sheet-shaped heating element and a vaporization assembly that includes a liquid guiding member, allowing for rapid vaporization and top feeding, reducing the distance between the heating element and the coil, and utilizing electromagnetic induction for efficient aerosol generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional resistance heating is used in electronic vaporizers, then the configuration is simple and easy to manufacture, but the vaporization efficiency is low and harmful substances are generated at high temperatures
Solution Approach 1:
The patent replaces conventional resistance heating (mechanical/thermal system) with electromagnetic induction heating. The heating element is replaced by an induction coil that generates electromagnetic fields to directly induce currents in the heating substrate, achieving faster and more efficient vaporization with better temperature control, thereby reducing harmful substance generation.
Solution Approach 2:
The patent changes the heating mechanism from resistive thermal heating to electromagnetic induction heating, fundamentally altering the heating parameters. This enables faster heating rates, more precise temperature control, and improved energy efficiency, directly addressing the low vaporization efficiency and harmful substance generation issues.
2Speed
If the heating element is positioned far from the liquid source, then the structure is simpler, but the vaporization speed is reduced
Solution Approach 1:
The patent introduces a vertical dimension for liquid delivery through the liquid guiding member that extends from the liquid reservoir through the heating substrate. This top-feeding approach from above allows the heating element to be positioned closer to the liquid source without increasing horizontal structural complexity, thereby improving vaporization speed.
3Productivity
If a sheet-shaped heating element is used instead of tubular, then the heating rate is faster, but the liquid delivery structure becomes more complex
Solution Approach 1:
The patent segments the heating system into distinct functional components: a sheet-shaped heating element for rapid heating, a liquid guiding member for targeted liquid delivery, and an induction coil for electromagnetic heating. This segmentation allows each component to be optimized independently, maintaining simple liquid delivery structure while achieving fast heating rates.
Solution Approach 2:
The patent introduces a liquid guiding member as an intermediary component that bridges the liquid reservoir and the sheet-shaped heating element. This mediator delivers liquid precisely to the heating zone through capillary action or gravity, enabling the use of sheet-shaped elements without complex liquid distribution systems.
4Productivity
If electromagnetic vaporization is implemented, then vaporization efficiency improves, but the original vaporizer configuration cannot meet the requirements
Solution Approach 1:
The patent designs a multi-functional heating unit that integrates electromagnetic induction heating, liquid guidance, and vaporization in a single compact structure. The induction coil can heat through non-magnetic materials, the sheet-shaped element provides large surface area, and the liquid guiding member accommodates various liquid viscosities, making the system adaptable to different vaporization requirements.
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 achieves rapid vaporization with a faster heating rate, reduces aerosol particle size to the required range, and minimizes the generation of harmful substances, ensuring a better user experience by efficiently vaporizing high viscosity liquids.
Implementation Method 1
A conventional electronic vaporizer mainly heats an aerosol-generating substrate by resistance heating
Implementation Method 2
When resistance heating is replaced with electromagnetic vaporization... an inductance coil circumferentially surrounding the bottom cover
Data Source
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AI summary
The present application relates to a heating unit (40), a vaporization assembly (100), and an electronic vaporizer. The heating unit (40) includes: a heating shell (41) provided with a shell accommodating cavity; a sheet-shaped heating element (43) housed in the shell accommodating cavity and dividing the shell accommodating cavity into a liquid guiding cavity and an airflow channel (47), the liquid guiding cavity and the airflow channel (47) being located respectively on the two sides of the sheet-shaped heating element (43) in the thickness direction; and a liquid guiding member (45) having one end housed in the liquid guiding cavity and contacting the sheet-shaped heating element (43), and another end extending out of the liquid guiding cavity. The heating unit can achieve an effect of rapid vaporization. Moreover, a distance between the sheet-shaped heating element and an external coil can be reduced, so as to further increase a vaporization speed.