Microwave Heating Assembly With Open-Ended Conductors for Heat Dissipation
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Solution Overview
Problem
The existing microwave-heating aerosol-generating devices have a closed structure that hinders heat dissipation, leading to high housing temperatures and inefficient microwave feeding, affecting user experience.
Innovation Solution
The microwave heating assembly features an open-ended outer conductor unit and an inner conductor unit with extension portions that form an accommodating space for the aerosol generation product, eliminating the need for a direct heat-conducting accommodating base, thereby improving heat dissipation and microwave efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If an accommodating base is mounted on the open end of the outer conductor unit to form a closed structure, then the structural integrity is improved, but heat dissipation is hindered and housing temperature increases
Solution Approach 1:
The patent divides the heating assembly into separate components: the outer conductor unit and the inner conductor unit are independently structured without requiring an accommodating base to connect them. This segmentation allows each component to perform its function independently while maintaining structural stability through the nested configuration alone.
Solution Approach 2:
The patent removes the accommodating base from the structure entirely, extracting the heat conduction path that caused the housing temperature increase. The inner conductor unit is directly placed within the outer conductor unit without the intermediate accommodating base, eliminating the heat transfer route from the heating cavity to the housing.
2Manufacturing precision
If the accommodating base is mounted to support the aerosol generation product, then the product positioning is improved, but heat conduction to the outer conductor unit increases
Solution Approach 1:
The patent introduces air as an intermediary medium between the inner conductor unit and the outer conductor unit. This air layer acts as a thermal insulator, blocking heat conduction from the heating cavity to the housing while still allowing the microwave energy to pass through and heat the aerosol generation product effectively.
Solution Approach 2:
The patent utilizes the air environment within the nested conductor structure as a thermal barrier. This inert atmospheric layer prevents direct thermal contact between the heating elements and the outer housing, reducing energy loss through heat conduction while maintaining the functional integrity of the heating system.
3Reliability
If a closed structure is formed with the accommodating base, then the microwave containment is improved, but microwave feeding efficiency decreases
Solution Approach 1:
The patent segments the conductor structure into distinct outer and inner units with defined spatial relationships. This segmentation creates optimal microwave field distribution patterns that improve feeding efficiency while the nested configuration itself provides sufficient containment without requiring additional closing components.
Solution Approach 2:
The patent creates a dynamic microwave field environment within the nested conductor structure that allows for efficient energy coupling. The open-ended nested configuration enables microwave waves to propagate and distribute more effectively throughout the heating cavity, improving feeding efficiency while maintaining adequate containment through the conductor geometry itself.
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
This design prevents excessive heating of the outer conductor unit, enhances heat dissipation, improves microwave feeding efficiency, and enhances user experience by ensuring uniform heating and reducing power consumption.
Implementation Method 1
the inner conductor unit comprises a first fixed end and a first free end... the accommodating space is between the first fixed end and the first free end
Implementation Method 2
forming an accommodating space configured to accommodate the aerosol generation product... improves microwave feeding efficiency
Implementation Method 3
the outer conductor unit having a tubular shape and including a first open end and a second open end... enhances heat dissipation
Implementation Method 4
prevents excessive heating of the outer conductor unit... ensures uniform heating
Data Source
AI summary
A microwave heating assembly for an aerosol-generating device and heating an aerosol generation product, the microwave heating assembly including: an outer conductor unit having a tubular shape and a first open end and a second open end opposite the first open end; and an inner conductor unit arranged in the outer conductor unit and forming an accommodating space for accommodating the aerosol generation product. The inner conductor unit has a first fixed end and a first free end. The first fixed end is combined on an end wall of the first open end. The first free end extends toward the second open end. The accommodating space is between the first fixed end and the first free end.