Air Purifier with Rotatable Filter and Vacuum-Assisted Cleaning
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Solution Overview
Problem
Conventional air purifiers require frequent filter cleaning or replacement due to accumulated contaminants, which reduces their purifying performance and increases maintenance inconvenience.
Innovation Solution
An air purifier design featuring a rotatable filter unit with a cleaning member that can be connected to a vacuum cleaner, allowing for easy removal of contaminants from the filter surface using a suction port and rake part, facilitating efficient cleaning without manual filter replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If contaminants accumulate on the filter surface, then the initial filtering capability is maintained, but frequent filter replacement or cleaning is required increasing maintenance inconvenience
Solution Approach 1:
The rotating filter unit automatically brings the contaminant-covered surface into contact with the cleaning member, enabling self-cleaning operation. The system performs maintenance functions automatically through rotation, reducing the need for manual filter replacement or cleaning interventions.
Solution Approach 2:
The cleaning member is positioned to contact the filter surface before contaminants completely block the filtering pores. By continuously or periodically removing accumulations, the system performs preliminary cleaning action that prevents performance degradation and extends filter life.
2Device complexity
If the filter unit is made stationary for simple structure, then device complexity is reduced, but cleaning efficiency decreases requiring manual intervention
Solution Approach 1:
The filter unit is designed to rotate, transforming from a static to a dynamic structure. This rotation enables the filter surface to continuously present different areas to the cleaning member, significantly improving cleaning efficiency and coverage without adding complex cleaning mechanisms.
Solution Approach 2:
The rotating filter unit serves multiple functions: it performs both air filtration and self-cleaning operations. The same rotational motion that distributes air flow also enables the cleaning member to effectively remove contaminants from all surfaces of the filter.
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
This design enhances maintenance convenience by allowing for easy and effective removal of contaminants from the filter surface, maintaining the air purifier's performance over time without the need for frequent filter changes.
Implementation Method 1
a suction port connected to the other side of the suction flow path and including an air inlet port opened along a longitudinal direction of the filter unit
Data Source
AI summary
An air purifier is provided. The air purifier according to an exemplary embodiment includes a body including an air inlet and an air outlet, an air blowing unit disposed in an inside of the body, the air blowing unit being configured to forcibly introduce outside air into the inside of the body through the air inlet and discharge air into the air outlet, a filter unit rotatably disposed between the air blowing unit and the air inlet, a driving motor configured to rotate the filter unit, and a cleaning member detachably connected to a vacuum cleaner and disposed in proximity to the filter unit to guide contaminants adhering to the filter unit to be flown into the vacuum cleaner.