Dust Collecting Apparatus with Compression and Backflow Prevention
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Solution Overview
Problem
Existing dust collecting apparatuses face challenges in enhancing dust separation performance and preventing dust backflow from storage units to separation units, leading to inefficiencies in dust collection and storage.
Innovation Solution
The apparatus incorporates a dust separation unit, a filter unit, and a dust storage unit with a pressing member and fixing member configuration that includes holes for air passage and a dust movement guide to facilitate smooth dust collection and compression, minimizing backflow and improving separation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a dust storage unit is used to store separated dust, then dust storage capacity is improved, but dust may backflow to the dust separation unit reducing separation efficiency
Solution Approach 1:
The patent extracts the harmful element (air current carrying dust) from the dust storage unit by providing a dedicated exhaust port that vents air and any suspended dust away from the separation unit, preventing backflow while maintaining storage capacity
Solution Approach 2:
The patent introduces an intermediary structure (exhaust port with optional filter) between the dust storage unit and the external environment, allowing controlled discharge of air and dust without affecting the separation unit's performance
2Quantity of substance
If the dust storage unit diameter is increased to improve storage capacity, then dust storage volume is improved, but the apparatus size increases
Solution Approach 1:
The patent places the dust storage unit inside or adjacent to the dust separation unit, nesting components to maximize space utilization. The storage unit can be positioned within the housing structure, allowing high storage capacity without proportionally increasing overall apparatus volume
Solution Approach 2:
The patent extends the dust storage unit in the vertical dimension rather than only horizontally, utilizing the height of the housing to create substantial storage capacity while maintaining a compact footprint
3Quantity of substance
If a pressing member is added to compress dust in the storage unit, then dust storage capacity is improved, but device complexity increases
Solution Approach 1:
The pressing member is designed to be manually operable by the user, eliminating the need for motors, sensors, or control systems. The user directly compresses dust by pressing down on the manually movable pressing member, achieving high compression density with minimal mechanical complexity
Solution Approach 2:
The pressing member is designed as a movable component that the user can dynamically adjust and reposition, allowing flexible compression of dust at different times and locations within the storage unit without requiring complex actuation mechanisms
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 dust separation performance, prevents dust backflow, and ensures efficient storage by utilizing a cyclone principle and compression mechanism, resulting in improved dust collection and storage capabilities.
Implementation Method 1
utilizing a cyclone principle
Implementation Method 2
a pressing member configured to compress the dust stored in the dust storage unit
Data Source
AI summary
A dust collecting apparatus includes a dust separation unit to separate dust from suctioned air; a dust storage unit to store the dust separated in the dust separation unit; a pressing member to compress the dust stored in the dust storage unit, and having a pressing plate support part, and a pressing plate supported by the pressing plate support part; a fixing member disposed between an inner circumferential surface of the dust storage unit and the pressing plate support part; and a path formed by a part of the fixing member, located between the pressing plate support part and the inner circumferential surface of the dust storage unit, and through which the air between the pressing plate and the fixing member passes, wherein one or more holes through which the air between the pressing plate and the fixing member passes are formed at the pressing plate.