Hinged Filter Frame for Variable-Configuration Air Purifiers
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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 multidirectional air discharge and optimized performance.
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 a hinged structure that can dynamically change its configuration between different positions (first position and second position). This dynamic mechanism allows the air purifier to adapt between different filter types (single suction and double suction) without requiring multiple fixed frames, thus improving design versatility while maintaining manageable device complexity through a single movable component
Solution Approach 2:
The single filter frame is designed to serve multiple functions by accommodating both single suction and double suction filter configurations. The hinge structure enables the frame to universally support different filter arrangements, allowing one component to replace what would traditionally require multiple specialized components
2Productivity
If filters are disposed on both sides of the housing to enable multidirectional air discharge, then air purification efficiency is improved, but the product design is limited to a cube type
Solution Approach 1:
The hinged filter frame can be positioned in different configurations (first position for single suction, second position for double suction), enabling the air purifier to dynamically adapt its air intake configuration. This allows the product to achieve multidirectional air discharge capability while maintaining design flexibility beyond the traditional cube type
Solution Approach 2:
The filter frame is divided into separable sections connected by hinges, allowing independent positioning of each segment. This segmentation enables the frame to be configured in different arrangements (single side or both sides), facilitating both high air purification efficiency through multidirectional discharge and diverse product design shapes
3Reliability
If the air purifier operates with fixed control settings, then the control system is simplified, but operational performance cannot be optimized according to the mounted filter type
Solution Approach 1:
The control system incorporates a sensor that detects the position of the hinged filter frame and provides feedback to the controller. Based on this feedback, the controller automatically adjusts operational parameters to optimize performance for the detected filter configuration (single suction or double suction), achieving reliable operational optimization without requiring complex manual configuration
Solution Approach 2:
The system automatically identifies the filter type through sensor detection of the frame position and self-adjusts the control settings without user intervention. This self-service capability optimizes operational performance for different filter configurations while keeping the control system relatively simple, as the system performs the optimization autonomously
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.