Sword-Shaped E-Cig Heating Assembly with Mica Insulation
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Solution Overview
Problem
Existing heating assemblies have small heating areas, low power, complex structures, and poor insulation performance, which can lead to user inconvenience and safety issues, particularly in electronic cigarette sticks.
Innovation Solution
A heating assembly with a sword-shaped metal housing, a symmetrical metal heating element, and a temperature control module, wrapped in mica paper insulation, and optionally made of ceramic or electroplated with nano-Teflon for improved safety and performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If existing heating assemblies are used, then they can provide heating function, but they have small heating areas and low power
Solution Approach 1:
The heating assembly is divided into distinct functional segments: a heating element, an insulating layer, and a housing. This segmentation allows each component to be optimized independently - the heating element maximizes heating area while the insulating layer prevents heat loss, resolving the contradiction between heating area and structural complexity
Solution Approach 2:
The heating element is nested within the housing, and the insulating layer is positioned between the heating element and the housing. This nested arrangement maximizes the heating area within the available space while maintaining a compact overall structure, effectively addressing the contradiction between heating area and device complexity
2Loss of energy
If existing heating assemblies are used, then they can provide heating function, but they have poor insulation performance
Solution Approach 1:
An insulating layer is introduced as an intermediary component between the heating element and the housing. This insulating layer specifically addresses the insulation performance issue by preventing heat loss to the housing, while its simple structure does not significantly increase overall device complexity
Solution Approach 2:
The heating assembly uses composite material construction, combining the heating element material, insulating layer material, and housing material into a multi-material structure. This allows optimization of each material for its specific function - heating element for thermal conversion, insulating layer for thermal insulation, and housing for structural support - thereby improving insulation performance without excessive complexity
3Reliability
If existing heating assemblies are used, then they can provide heating function, but they cause personal injury to users
Solution Approach 1:
The heating element is extracted from direct contact with the housing and isolated by the insulating layer. This extraction prevents the housing from becoming a heat source that could cause burns to users, thereby improving safety. The insulating layer acts as a protective barrier that maintains safety without requiring complex safety mechanisms
Solution Approach 2:
The insulating layer is positioned in advance between the heating element and the housing to prevent direct thermal contact. This beforehand cushioning approach ensures that even if the heating element reaches high temperatures, the housing remains cool enough for user safety, preventing personal injury before it can occur
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 heating assembly with a large heating area, simple structure, enhanced insulation, and improved safety, suitable for electronic cigarettes, ensuring reliable and efficient heating.
Implementation Method 1
an electric heating sheet between the ceramic sheets. The electric heating sheet is connected with a conductive electrode
Implementation Method 2
the heating temperature control assembly is wrapped with an insulating layer. the insulating layer is mica paper
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An electronic cigarette including a heating assembly is disclosed. The heating assembly includes: a sword-shaped housing (10), and a heating temperature control assembly (20) sleeved in an inner cavity (16) of the housing (10), where the heating temperature control assembly (20) includes a metal heating element (21) and/or a temperature control component (22) located between the metal heating element (21) and the housing (10). The arrangement of the sword-shaped housing (10), the metal heating element (21) sleeved in the inner cavity (16) of the housing (10), and the temperature control component (22) located between the metal heating element (21) and the housing (10) achieves effects of a large heating area and a simple structure.