Cyclone Dust Collector With Rotating Grill Self-Cleaning
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Solution Overview
Problem
Existing cyclone dust collectors in vacuum cleaners have complex structures that increase production costs and reduce usability, with dust accumulation issues due to foreign matter sticking to the grill surfaces, affecting suction efficiency.
Innovation Solution
A cyclone dust collector with a simplified structure featuring a rotatable grill assembly, a dual-fan system, and a dust removal flow path with holes in the case to prevent dust accumulation and improve cleaning efficiency, allowing for easy dust removal and reduced foreign matter interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traditional cyclone dust collector structure is used, then dust separation function is achieved, but the structure becomes complex and production costs increase
Solution Approach 1:
The patent combines the grill assembly with the rotor into a single integrated unit. The grill is directly mounted on the rotor, eliminating the need for separate support structures and reducing the number of parts. This merging of components simplifies the overall structure and reduces manufacturing complexity while maintaining the dust separation function.
Solution Approach 2:
The rotor serves multiple functions: it rotates the grill for self-cleaning, generates airflow through the fans, and supports the grill assembly. This multi-functionality reduces the need for additional components, simplifying the structure and lowering production costs.
2Reliability
If a traditional grill assembly is used, then air flow is maintained, but dust and foreign matter accumulate on the grill surface
Solution Approach 1:
The grill is mounted on a rotating rotor, making it a dynamic component rather than a static one. The rotation of the rotor continuously moves the grill surface, preventing dust and foreign matter from accumulating. This dynamic design maintains suction efficiency by keeping the grill surface clean without requiring separate cleaning mechanisms.
Solution Approach 2:
The rotating grill assembly performs self-cleaning through its own rotation. As the rotor turns, the grill surface is continuously exposed to different positions, allowing dust to be shed naturally. This self-service mechanism eliminates the need for additional cleaning components and maintains reliability without extra complexity.
3Productivity
If a single fan rotor is used, then structure is simplified, but dust removal capability is insufficient
Solution Approach 1:
The patent merges two fans into a single rotor structure, creating a dual-fan rotor. This integrated design allows both fans to be mounted on the same rotating assembly, improving dust removal capability through increased airflow while avoiding the need for separate motor and control systems that would increase complexity.
Solution Approach 2:
The dual-fan rotor performs multiple functions: it generates strong airflow for dust removal, rotates the grill for self-cleaning, and can be controlled as a single unit. This multi-functionality increases productivity while keeping the rotor structure manageable through unified control.
4Ease of operation
If the cyclone dust collector is disassembled for cleaning, then dust can be removed, but usability and convenience are reduced
Solution Approach 1:
The rotating grill assembly performs automatic self-cleaning through its rotation, eliminating the need for manual disassembly. The continuous rotation prevents dust accumulation in the first place, and any accumulated dust is naturally shed during operation. This self-service cleaning mechanism maintains ease of operation without requiring the user to spend time dismantling components.
Solution Approach 2:
The rotating grill performs preliminary cleaning action continuously during operation, preventing dust accumulation before it becomes a problem. By maintaining the grill surface clean through continuous rotation, the system eliminates the need for subsequent manual cleaning and disassembly, saving user time and effort.
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 enhances usability and productivity by reducing production costs, maintaining suction force, and facilitating easy cleaning of the cyclone dust collector, while preventing dust and foreign matter from sticking to the grill, thus improving cleaning efficiency.
Implementation Method 1
a cyclone chamber configured to whirl air introduced from an inlet part to separate dust from the air
Implementation Method 2
a cyclone chamber configured to whirl air introduced from an inlet part to separate dust from the air
Implementation Method 3
a first fan on which the grill is mounted and which is rotatably provided
Implementation Method 4
a second fan provided to generate an air flow in a direction opposite an air flow direction of the first fan
Data Source
AI summary
A vacuum cleaner disclosed that includes a cyclone dust collector. The vacuum cleaner includes a cyclone chamber configured to whirl air introduced from an inlet part to separate dust from the air and including an outlet part provided to discharge the air from which dust is separated from the cyclone chamber. The vacuum cleaner also includes a grill rotatably provided at the outlet part. The vacuum cleaner also includes a rotor including a first fan and a second fan configured to generate an air flow in a direction opposite an air flow direction of the first fan. The vacuum cleaner further includes a case in which the rotor is rotatable accommodated with a gap provided between the grill and the case. The case includes a plurality of holes, and includes a dust removal flow path to discharge air introduced from the plurality of holes through the gap.