Heating Assembly Groove Design for Electronic Cigarette Atomizer
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Solution Overview
Problem
Existing electronic cigarette heating assemblies face challenges in securely mounting and fixing heating elements, leading to poor atomizing efficiency due to small contact areas between the heating track and porous elements, resulting in inefficient aerosol generation.
Innovation Solution
A heating assembly with an adsorption member featuring a porous ceramic substrate and a heating element disposed within a fixing groove, ensuring adequate coating and dispersion of aerosol-generating substrate, preventing dry burning and enhancing aerosol production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a heating wire is wound on a fiber rope made of flexible materials, then the heating assembly can be constructed, but the mounting and fixing process becomes complicated
Solution Approach 1:
The heating assembly is divided into separate functional modules: a heating element module and an adsorption member module. The heating element is pre-formed as a discrete component that can be independently mounted, separating the heating function from the adsorption function. This segmentation simplifies the mounting process compared to winding flexible materials.
Solution Approach 2:
A fixing groove is introduced as an intermediary structural feature in the adsorption member that receives and secures the heating element. This groove acts as a mediator between the heating element and the adsorption member, providing a simple and reliable mounting mechanism without requiring complex fixing processes.
2Productivity
If the heating track is formed by silk-screen printing on the atomizing surface, then the heating track can be created, but the contacted area between heating track and porous element remains small resulting in poor atomizing efficiency
Solution Approach 1:
The heating element is directly integrated with the adsorption member by placing it within the fixing groove of the adsorption member. This merging of the heating element and adsorption member ensures maximum contact area between the heating surface and the porous element, thereby improving atomizing efficiency.
Solution Approach 2:
The heating element extends in the thickness direction (vertical dimension) rather than only on the surface plane. By making the heating element higher than the outer edge of the fixing groove, the heating surface area is expanded into the third dimension, increasing the contacted area with the porous element and thus improving atomization.
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 effectively increases the amount of aerosol generated by ensuring sufficient coating and heating of the substrate, preventing dry burning and improving atomizing efficiency.
Implementation Method 1
an adsorption member featuring a porous ceramic substrate... ensuring adequate coating and dispersion of aerosol-generating substrate
Implementation Method 2
at least one heating element for generating heat when electrified
Data Source
AI summary
The invention relates to an electronic cigarette, an atomizer and a heating assembly thereof, wherein the heating assembly is used for the atomizer and includes an adsorption member, and at least one heating element for generating heat when electrified. The adsorption member comprises at least one surface defining at least one fixing groove therein, and the at least one heating element is disposed in the at least one fixing groove. The heating element is disposed in the fixing groove, so that the aerosol-generating substrate on the adsorption member can be more sufficiently coated on the heating element and dispersed to an outer surface of the heating element, preventing dry burning on the surface of the heating element; moreover, the amount of the aerosol-generating substrate heated and atomized by the heating element is increased, and so does the amount of aerosol generated by the heating element.