Cyclone vacuum cleaner and cyclone separation device thereof
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Solution Overview
Problem
Conventional cyclone separation devices in vacuum cleaners are inadequate for industrial dust filtering due to complex structures and maintenance issues, and fail to meet the dust collection needs of industrial scales.
Innovation Solution
A cyclone separation device with an airflow guiding member in the cyclone chamber, featuring a cyclone chamber with an air inlet, annular sidewall, dust collecting region, and air outlet, along with an airflow guiding member that includes an airflow guiding chamber, entry and discharge openings, and a support section, which enhances airflow spiraling and dust collection efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the volume of the chamber in the separation barrel is increased to enhance dust filtering effect, then the dust filtering effect is improved, but the overall volume of the cyclone separator expands
Solution Approach 1:
The cyclone separator is divided into multiple functional chambers: a first cyclone chamber for primary dust separation and a second cyclone chamber for secondary dust separation. This segmentation allows the system to achieve enhanced dust filtering effect through multi-stage separation without requiring a single large-volume chamber, thus avoiding excessive overall volume expansion while improving reliability.
2Reliability
If a multi-layer dust filtering inner barrel is provided in the separation barrel to reinforce dust filtering effect, then the dust filtering effect is improved, but the structure of the cyclone separator becomes complex
Solution Approach 1:
Instead of using a complex multi-layer inner barrel structure, the patent segments the separation function into two distinct cyclone chambers. Each chamber operates independently with its own airflow path and dust collection mechanism, achieving enhanced filtration through series connection rather than through complex layered structures, thereby maintaining structural simplicity.
Solution Approach 2:
The patent introduces an air outlet from the first cyclone chamber that serves as an intermediary, directing separated air flow into the second cyclone chamber. This intermediary airflow path allows the system to achieve multi-stage separation without requiring complex integrated structures, as each chamber functions as an independent module connected through simple airflow channels.
3Reliability
If a multi-layer dust filtering inner barrel is provided to enhance dust filtering effect, then the dust filtering effect is improved, but maintenance becomes difficult
Solution Approach 1:
The cyclone separator is segmented into two independent chambers, each with separate dust collection regions and outlets. This segmentation allows maintenance personnel to access and clean each chamber independently without disassembling the entire structure, significantly improving ease of repair compared to integrated multi-layer inner barrel designs where all components are interconnected and difficult to access.
4Reliability
If a multi-layer dust filtering inner barrel is provided to reinforce dust filtering effect, then the dust filtering effect is improved, but periodical replacement of the dust filtering inner barrel becomes a major issue
Solution Approach 1:
By dividing the separation function into two independent cyclone chambers with separate dust collection regions, the patent eliminates the need for a single complex multi-layer inner barrel that would require periodic replacement. Each chamber can be independently cleaned and maintained, and if replacement is needed, only the affected chamber needs to be serviced rather than replacing an entire integrated inner barrel structure.
Solution Approach 2:
The air outlet from the first cyclone chamber acts as an intermediary that separates the airflow paths of the two chambers. This intermediary structure allows each chamber to function as an independent module with its own dust collection and discharge system, eliminating the need for periodic replacement of a shared inner barrel structure and simplifying maintenance operations.
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 provides a simpler structure for easier installation and more effective dust filtering, ensuring better airflow guidance and increased dust collection efficiency suitable for industrial applications.
Implementation Method 1
Due to a centrifugal force, particulates in a vortex airflow are rotated at a high speed. As the rotational speed gets higher, the speed of centrifugal sedimentation of the particulates also becomes higher, such that the particulates can be separated from the airflow.
Implementation Method 2
Cyclone separation is a kind of centrifugal sedimentation. When in use, air containing particulates enters from the air inlet 81, and forms a descending vortex flow along the inner wall of the separation barrel 8.
Implementation Method 3
Due to the weight of the particulates, the particulates cannot ascend with the ascending airflow and are deposited at the bottom of the separation barrel 8, thereby producing a dust collecting effect.
Data Source
Figure 1
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AI summary
A cyclone separation device (1) includes a cyclone chamber (11) and an airflow guiding member (12). The cyclone chamber (11) includes an air inlet (111), an annular sidewall (112) forming an air receiving region (S1) therein communicating with the air inlet (111) and guiding an airflow to flow spirally in the air receiving region (S1), and a dust collecting region (S2) and an air outlet (113) disposed at two ends of the cyclone chamber (11) along an axis (L2) of the cyclone chamber (11). The dust collecting region (S2) communicates with the air receiving region (S1). The airflow guiding member (12) is disposed at the dust collecting region (S2), and includes an airflow guiding chamber (121), at least one airflow entry opening (122) communicating with the dust collecting region (S2) and airflow guiding chamber (121), and an airflow discharge opening (123) communicating with the airflow guiding chamber (121) and disposed on the axis (L2) of the cyclone chamber (11) to face the air outlet (113) and output the airflow to form an air discharging region (S3).