Heating Cup with Ceramic Induction Coil for Safe Tobacco Heating
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Solution Overview
Problem
Conventional tobacco heating devices lack efficient and safe heating mechanisms that can effectively heat tobacco materials while ensuring user safety and providing a filtered smoking experience.
Innovation Solution
A heating cup integrated with a high frequency heating unit featuring a magnetic induction coil and a ceramic air inlet nozzle, combined with a water filter, where the heating unit generates an alternating magnetic field to heat the tobacco material and the ceramic nozzle allows adjustable airflow, ensuring safe and efficient smoke production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If magnetic induction heating is used to heat tobacco material, then heating efficiency is improved, but safety hazards increase due to high temperature and electromagnetic radiation
Solution Approach 1:
The patent introduces a ceramic heating element as an intermediary between the magnetic induction coil and the tobacco material. The ceramic material absorbs electromagnetic energy and converts it to heat, then transfers heat to tobacco through thermal conduction, eliminating direct electromagnetic radiation exposure to users while maintaining heating efficiency
Solution Approach 2:
The patent replaces direct magnetic induction heating with a two-stage process: first converting electromagnetic energy to thermal energy in the ceramic element, then using thermal conduction to heat the tobacco. This substitution eliminates the harmful electromagnetic radiation while preserving the heating function
2Device complexity
If conventional heating mechanisms are used, then device simplicity is maintained, but heating uniformity and temperature control deteriorate
Solution Approach 1:
The patent changes the heating parameters by using ceramic material with specific thermal properties (thermal conductivity, heat capacity) to achieve more uniform heat distribution and better temperature control compared to direct magnetic induction heating, while maintaining relatively simple device structure
3Productivity
If metal heating container is used, then heating efficiency is improved, but safety issues arise from metal reacting with flame and high temperature
Solution Approach 1:
The patent uses ceramic material for the heating element and container, which combines the heating efficiency needed with the chemical stability and safety required. Ceramic provides both good thermal conductivity for efficient heating and chemical inertness to prevent reactions with tobacco or flame, eliminating the safety issues associated with metal containers
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 provides a safe and efficient heating mechanism for tobacco materials, allowing for controlled heat distribution and filtered smoke inhalation, enhancing user safety and smoking experience.
Implementation Method 1
the battery comprises a power panel comprising an LC circuit configured to convert a boosted DC voltage and current into an alternating current; when the alternating current passes through the magnetic induction coil, an alternating magnetic field is generated
Implementation Method 2
the heating container is configured to produce heat under the action of the high frequency heating unit to heat a tobacco material
Data Source
AI summary
A heating cup, including a heating container configured to be heated by a high frequency heating unit. When in use, the high frequency heating unit is disposed around the heating container; in a power-on state, the heating container is configured to produce heat under the action of the high frequency heating unit to heat a tobacco material and produce smoke.