Air Purifier Hinged Filter Frame for Multi-Directional Filtration
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Solution Overview
Problem
Conventional air purifiers face limitations in design diversity and operational optimization due to fixed filter types and capacities, which affect air purification efficiency and durability.
Innovation Solution
An air purifier design featuring a shape variable type filter frame and filter recognition system, allowing for multiple filter configurations and automatic control adjustments based on filter type and capacity, enabling optimized air discharge and suction structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed filter type and capacity are used in the air purifier, then the manufacturing and control are simplified, but the design diversity is limited and operational performance cannot be optimized for different filter types
Solution Approach 1:
The filter frame is designed with hinge joints that allow it to dynamically change its shape and configuration. The frame can be folded into different angular positions (e.g., 0°, 45°, 90°, 135°, 180°) to accommodate various filter types and capacities, enabling the air purifier to adapt to different designs without requiring multiple fixed frame structures
Solution Approach 2:
The filter frame is divided into multiple separable sections connected by hinge joints. This segmentation allows each section to be independently positioned and adjusted, enabling flexible configuration to match different filter dimensions and types while maintaining structural integrity
2Adaptability or versatility
If the filter frame is made rigid and fixed, then the structural stability is improved, but the ability to accommodate different filter types and optimize performance is reduced
Solution Approach 1:
The filter frame incorporates hinge joints that provide rotational freedom while maintaining structural stability when positioned. The frame can be adjusted to different stable configurations (folded at various angles) to accommodate different filter types, and once positioned, maintains its shape to ensure proper air flow and filtration performance
Solution Approach 2:
The filter frame sections are designed to nest together through hinge connections, allowing compact storage when folded and stable expansion when deployed. The nested structure enables the frame to adapt to different filter sizes while maintaining structural rigidity during operation
3Reliability
If multiple filter configurations are allowed, then operational performance optimization is improved, but the device complexity and control difficulty increase
Solution Approach 1:
A sensor detects the position of the filter frame (whether folded or unfolded) and provides feedback to the control unit. The control unit automatically adjusts operating parameters such as blower speed based on the detected frame configuration, enabling optimized performance for different filter types without requiring complex manual controls
Solution Approach 2:
The system automatically identifies the filter configuration through sensor feedback and self-adjusts the operational parameters. The control unit selects appropriate operating modes based on the detected frame position, eliminating the need for manual intervention and simplifying user interaction while ensuring optimal performance
Data Source
AI summary
The present invention provides an air purifier. The air purifier according to one preferred embodiment of the present invention may comprise: a housing; a blowing unit installed in the housing so as to draw in external air; and a filter unit having filtering surfaces, through which the air passes and which are disposed in multiple directions, and an air inflow space, which has at least a part thereof surrounded by the filtering surfaces disposed in the multiple directions and into which the air discharged from the blowing unit flows.