Filtration Mesh and Flow Guide Rod for Atomizer Droplet Management
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Solution Overview
Problem
Electronic atomizers face issues with large droplet particle sizes accumulating on filtration cotton cores, leading to blockage of gas outlet channels and reduced performance over time.
Innovation Solution
A filtration assembly with a filtration mesh and flow guide rod is implemented, where the filtration mesh is positioned at the gas outlet section and has a tapered design to filter out large droplets, which are then redirected back to the atomization cavity via the flow guide rod, preventing accumulation and maintaining filtration efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a filtration cotton core is provided on the gas outlet channel to limit particle sizes of droplets, then droplet particle sizes are reduced, but the gas outlet channel becomes blocked after long period of use due to accumulation of large droplets
Solution Approach 1:
The patent extracts the harmful function of the traditional filtration cotton core that accumulates droplets and causes blockage. Instead of using a cotton core that traps all large droplets, the invention uses a mesh structure that allows selective passage - filtering out oversized droplets while permitting smaller droplets and gas flow to pass through, thereby preventing accumulation and blockage
Solution Approach 2:
The patent changes the physical parameters of the filtration structure by specifying mesh opening sizes (5-20 μm) and mesh wire diameters (1-5 μm), creating a controlled pore structure that enables precise droplet size separation. This parameter optimization allows the filtration mesh to maintain effective filtration while preventing droplet accumulation that leads to blockage
2Manufacturing precision
If filtration mesh is used to filter large droplets, then droplet particle sizes are limited, but filtration mesh blocks due to accumulation of filtered droplets
Solution Approach 1:
The patent introduces a heating element that dynamically adjusts the temperature of the atomization liquid, creating a dynamic evaporation environment. This dynamic heating causes continuous evaporation of droplets on the filtration mesh surface, preventing static accumulation and maintaining filtration effectiveness over extended periods
Solution Approach 2:
The patent utilizes phase transition (evaporation) of the atomization liquid to solve the blockage problem. The heating element causes droplets accumulated on the filtration mesh to evaporate, transforming from liquid phase to vapor phase, thereby clearing the mesh surface and maintaining continuous filtration capability
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 prevents blockage of the filtration mesh, ensuring continuous good filtration performance even after long-term use by redirecting large droplets back into the atomization process, thus maintaining the atomizer's efficiency.
Implementation Method 1
the filtration mesh is a hydrophobic filtration mesh
Implementation Method 2
According to flow characteristics of an atomization gas in the gas outlet section, droplets with large particle sizes in the gas outlet section filtered by the filtration mesh may flow from the second end of the filtration mesh to the first end of the filtration mesh
Data Source
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AI summary
The present invention is about a filtration assembly and an atomizer. The filtration assembly is applied to the atomizer. The atomizer includes a housing having a gas outlet section and an atomization cavity in communication with the gas outlet section. The filtration assembly includes a filtration mesh and a flow guide rod. The filtration mesh is disposed at the gas outlet section and includes a first end away from the atomization cavity and a second end close to the atomization cavity. A shape and size of the first end match a shape and size of the gas outlet section to enable the gas outlet section to be covered. Droplets with large particle sizes in the gas outlet section is filtered by the filtration mesh and may flow from the second end of the filtration mesh to the first end of the filtration mesh, and then flow back to the atomization cavity through the flow guide rod in below to continue atomization, to prevent accumulation of droplets on the filtration mesh from causing blocking of the filtration mesh, thereby ensuring that the atomizer still has a good filtration effect after long-term use.