Dual-Cyclone Air Guide Structure for Fine Dust Separation
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Solution Overview
Problem
Conventional cyclone dust collecting apparatuses face challenges in separating fine dust due to low centrifugal force difference between fine dust and air, leading to inefficiencies and increased pressure loss when using multi-cyclone systems.
Innovation Solution
A cyclone dust collecting apparatus with a first cyclone and a second cyclone inside it, featuring an air guiding member with a grill member and guiding blades arranged in concentric circles, which directs semi-clean air from the first cyclone to the second cyclone, enhancing fine dust separation and reducing pressure loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a multi-cyclone dust collecting apparatus is used to increase fine dust collecting efficiency, then fine dust separation performance is improved, but pressure loss increases significantly
Solution Approach 1:
The patent places a second cyclone inside the first cyclone, creating a nested configuration where the inner cyclone processes air that has already been partially cleaned by the outer cyclone. This nesting approach enables multi-stage separation without requiring separate external cyclone units, thereby improving fine dust collection while minimizing additional pressure loss compared to conventional multi-cyclone systems arranged in parallel or series outside a single housing.
2Device complexity
If conventional cyclone dust collecting apparatus is used, then structure is simple, but fine dust separation efficiency is low
Solution Approach 1:
The patent implements a nested dual-cyclone structure where the second cyclone is positioned inside the first cyclone. This configuration maintains relative structural simplicity by combining two cyclone functions within a single integrated housing, while significantly improving fine dust separation efficiency through multi-stage centrifugal separation. The nested arrangement avoids the complexity of multiple external cyclone units while achieving enhanced performance.
Solution Approach 2:
The patent divides the dust collection process into two sequential stages: the first cyclone handles coarse dust separation, and the second cyclone handles fine dust separation. This segmentation of the separation function allows each cyclone to be optimized for its specific size range, improving overall fine dust collection efficiency while maintaining a relatively simple integrated structure.
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 apparatus achieves higher fine dust collecting efficiency with reduced pressure loss by utilizing the air guiding member to optimize airflow and centrifugal separation, allowing for effective collection of both coarse and fine dust.
Implementation Method 1
The cyclone dust collecting apparatuses separate dust from dust-laden air using centrifugal force
Implementation Method 2
a cyclone body forcing the drawn-in dust-laden air to whirl
Implementation Method 3
an air guiding member to form an entrance of the second cyclone through which semi-clean air discharged from the first cyclone enters
Data Source
AI summary
A cyclone dust collecting apparatus for a vacuum cleaner includes a first cyclone, a second cyclone disposed inside the first cyclone, and an air guiding member to form an entrance of the second cyclone through which semi-clean air discharged from the first cyclone enters. The air guiding member includes a grill member to have a plurality of holes, and a plurality of guiding blades disposed inside the grill member.