Dual-Cyclone Cleaner with Guide Vane for Enhanced Dust Separation
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Solution Overview
Problem
Existing vacuum cleaners with multi-cyclone systems suffer from low rotational force, reduced cyclone flow efficiency, and decreased inlet and outlet port areas, leading to deteriorated dust separation performance.
Innovation Solution
A cleaner design featuring a single cyclone structure with a first cyclone part and a second cyclone part, where the second cyclone part includes a guide vane to induce a swirling flow, increasing cyclone length and residence time, and a space between the inlet and outlet ports to enhance dust separation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a multi-cyclone dust collecting device is used with inlet ports formed outside the cyclone part, then the structure is simpler, but the rotational force of air is low and dust separation performance deteriorates
Solution Approach 1:
The cyclone part is divided into a first cyclone part and a second cyclone part, each performing different separation functions. The first cyclone part separates coarse dust while the second cyclone part separates fine dust, achieving both structural simplicity and high separation performance through functional segmentation.
Solution Approach 2:
The inlet ports are positioned at different locations and orientations - the first cyclone part has inlet ports at its upper end, while the second cyclone part has inlet ports at its lower end. This spatial arrangement in different dimensions creates effective cyclone flows without requiring complex external structures.
2Manufacturing precision
If the cyclone length is increased to improve dust separation efficiency, then the separation performance improves, but the device size and complexity increase
Solution Approach 1:
The total cyclone length is segmented into two separate cyclone parts, each with optimized individual lengths. This allows each cyclone to achieve sufficient separation efficiency without requiring an excessively long single cyclone structure, maintaining compact overall device dimensions.
Solution Approach 2:
The two cyclone parts are arranged in series along the air flow path, utilizing the longitudinal dimension efficiently. This arrangement achieves increased total cyclone length for improved separation without increasing the cross-sectional footprint or overall device complexity.
3Loss of energy
If the cross-sectional area of inlet and outlet ports is increased to improve cyclone efficiency, then the flow velocity decreases and flow loss is reduced, but the cyclone length must be increased to maintain separation efficiency
Solution Approach 1:
The dust collection system is segmented into two cyclone parts with different port area requirements. The first cyclone part can have larger inlet ports for coarse dust with higher flow tolerance, while the second cyclone part is optimized for fine dust separation. This segmentation allows each cyclone to operate at optimal flow velocities without requiring excessive length compensation.
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 cleaner achieves improved dust separation efficiency by increasing cyclone length, cross-sectional areas, and reducing flow velocity, resulting in a simpler structure and enhanced dust collection performance.
Implementation Method 1
a guide vane configured to induce a swirling flow in the air
Implementation Method 2
a multi-cyclone dust collecting device, which uses a centrifugal force, as the dust collecting device
Implementation Method 3
a mesh filter is installed to allow the air to flow to the second cyclone part
Implementation Method 4
The cleaner generates a suction force by reducing internal pressure by discharging inside air to the outside by operating the motor
Data Source
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AI summary
The present disclosure relates to a cleaner including: a suction part; a dust separating part configured to separate dust from air sucked through the suction part; and a suction motor configured to provide a flow force of air, in which the dust separating part includes: a first cyclone part; and a second cyclone part, and in which the second cyclone part includes: a cylinder disposed in the housing and having a guide vane configured to induce a swirling flow in the air; a separation wall disposed between the cylinder and the suction motor in a direction intersecting the cylinder; and a discharge member protruding from the separation wall, disposed in the cylinder, and formed to discharge the air, thereby providing a simple structure.