Dust and gas separator and vacuum cleaner
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Solution Overview
Problem
Existing dust-air separation devices in vacuum cleaners suffer from inefficient dust-air separation due to non-turbulent airflow, leading to excessive kinetic energy loss and filter clogging, resulting in reduced suction power and performance.
Innovation Solution
A dust-air separation device with a cyclone separation chamber featuring an air deflector and two separators, which divides airflow into two parts, reducing vortex flow, increasing airflow patency, and enhancing dust-air separation efficiency, while minimizing kinetic energy loss and filter clogging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single-cone cyclone separation device is used, then the structure is simple, but the airflow is not turbulent resulting in excessive loss of airflow kinetic energy and inefficient dust-air separation
Solution Approach 1:
The cyclone separation chamber is divided into multiple cones (first cone, second cone, third cone) arranged in sequence, with each cone performing dust-air separation independently. This segmentation allows each cone to optimize airflow patterns and maintain turbulent flow, improving overall separation efficiency while keeping individual cone structures relatively simple
Solution Approach 2:
The patent transitions from a single-cone structure to a multi-cone arrangement in the axial direction, adding a dimensional element to the separation process. The sequential arrangement of cones along the airflow path creates multiple stages of separation, enhancing efficiency without significantly increasing lateral complexity
2Device complexity
If a single-cone cyclone separation device is used, then the device complexity is low, but kinetic energy loss is excessive
Solution Approach 1:
By segmenting the separation process into multiple cones, each cone can be optimized to maintain higher airflow velocities and reduce energy loss. The segmented structure allows better control of airflow patterns, reducing turbulence-induced energy dissipation while maintaining separation effectiveness
Solution Approach 2:
The multi-cone structure ensures continuous turbulent airflow and dust-air separation throughout the chamber. The sequential arrangement maintains airflow momentum and kinetic energy across multiple separation stages, preventing energy loss that would occur in a single-stage design
3Power
If existing dust-air separation devices are used, then the initial suction power is adequate, but filter clogging occurs easily causing sharp drop in suction power
Solution Approach 1:
Multiple cones create multiple separation stages that progressively remove dust particles of different sizes. This multi-stage approach prevents dust accumulation that would clog filters, maintaining consistent suction power and reliable performance over extended operation periods
Solution Approach 2:
The multi-cone structure performs preliminary dust removal in stages before air reaches the filter. By pre-separating dust particles across multiple cones, the system prevents filter clogging before it occurs, ensuring stable suction power and reliable operation
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 improves airflow smoothness and dust-air separation efficiency, preventing filter clogging and sudden suction power drops, leading to better vacuuming performance by reducing mutual airflow impact and increasing the exhaust area of the cyclone separation chamber.
Implementation Method 1
a cyclone separation chamber, in which are disposed a first separator and a second separator
Implementation Method 2
The airflow is not turbulent, resulting in excessive loss of airflow kinetic energy and inefficient dust-air separation
Data Source
AI summary
A dust-air separation device and vacuum cleaner comprises a housing with an air inlet channel, a cyclone separation chamber, and a dust collection chamber, the air inlet channel and the dust collection chamber are connected to the cyclone separation chamber, and an air outlet is formed on the housing; the inner peripheral wall of the cyclone separation chamber is provided with an air deflector extending along the flow direction of the airflow in the cyclone separation chamber. A first separator and the second separator are respectively located on opposite sides of the air deflector along the axial direction of the cyclone separation chamber, and the first separator and the second separator are both connected to the air outlet. The dust-air separation device reduces filter clogging and sudden drops in suction power such that the device has better vacuuming performance.