Rotatable Air Discharge Structure for Portable Air Purifiers
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Solution Overview
Problem
Conventional portable air purifiers are not suitable for small spaces or mobile use due to their size, lack of adjustability in air discharge direction, and limited energy efficiency, making them ineffective for users who frequently move between locations.
Innovation Solution
A portable air purifier design featuring a cylindrical shape with a rotatable discharge component, aligned with the fan and filter for efficient air flow and purification, allowing for adjustable air direction and improved mobility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a large-sized air purifier is used to accommodate various filters, then air purification performance is improved, but device portability and space efficiency deteriorate
Solution Approach 1:
The air purifier is divided into separate functional modules: a handheld unit with fan and control, and a stationary base unit with filter assembly. This segmentation allows the filtration system to remain comprehensive while the portable unit remains lightweight and easy to carry.
Solution Approach 2:
The system transitions from a single integrated unit to a distributed two-part configuration. The base unit remains stationary while the handheld unit moves, creating a spatial separation that resolves the contradiction between comprehensive filtration (requiring large size) and portability (requiring small size).
2Device complexity
If a fixed discharge structure is used to simplify device structure, then device complexity is reduced, but air discharge direction adaptability deteriorates
Solution Approach 1:
The discharge structure incorporates a rotatable component that can be dynamically adjusted to different angles and directions. This dynamic element allows the fixed-base design to achieve variable air discharge directions, resolving the contradiction between structural simplicity and directional adaptability.
Solution Approach 2:
The rotatable discharge component enables periodic adjustment of air flow direction to match different usage scenarios and user positions, allowing a relatively simple structure to achieve versatile adaptability through controlled rotational movement.
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
Enhances air purification efficiency and mobility by reducing flow resistance and allowing for easy adjustment of air discharge direction, making it suitable for various environments and user positions.
Implementation Method 1
a fan module (70) and forming an air flow path in an vertical direction
Implementation Method 2
a filter (40)... purify air by filtering physical particles, such as dust, fine dust, and ultra-fine dust
Data Source
AI summary
A portable air purifier may include a housing provided with an inlet through which air is suctioned, a filter, and a fan module and forming an air flow path in a vertical direction, a discharge disposed at an outlet of the housing and configured to guide a discharge direction of air, a rotational supporter which is connected to the housing, movement of which is restricted, and which supports the discharge in a rotatable manner, and a rotational guide disposed respectively at the discharge and the rotational supporter and configured to guide rotation of the discharge to allow the discharge to rotate within predetermined angles.