Portable air purification system and stack assembly
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Solution Overview
Problem
Portable air purification systems for the craft sector face challenges in creating a comfortable working environment by minimizing air draft and dust disturbance, while also requiring easy transport and quick assembly and dismantling.
Innovation Solution
A portable air purification system design with a flow-through area of the air inlet smaller than the air outlet, allowing for reduced outflow velocity and a larger, diffuse air outlet area, which is distributed over multiple sides of the housing to minimize draft and dust disturbance, and is designed for easy stacking and coupling with other system boxes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the air outlet area is increased to reduce outflow velocity and minimize draft, then the comfort in the working environment is improved, but the device complexity increases due to distributed outlets over multiple sides
Solution Approach 1:
The air outlet is divided into multiple outlet sections distributed over different side walls of the housing. Each outlet section has a smaller individual area, but collectively they provide a large total outlet area. This segmentation allows the system to achieve low outflow velocity and minimal draft while maintaining a manageable housing structure.
Solution Approach 2:
Instead of concentrating the outlet area in one location, the system distributes outlet sections across multiple dimensions by placing them on different side walls. This spatial distribution achieves the functional equivalent of a large outlet area while maintaining compact housing dimensions.
2Productivity
If the air inlet area is increased to maintain high air throughput, then the productivity is improved, but the outlet velocity increases causing annoying draft
Solution Approach 1:
The outlet is segmented into multiple sections that collectively provide a large total outlet area. This allows the system to maintain high air throughput through the fan while distributing the outflow velocity across multiple locations, preventing high velocity at any single outlet section.
Solution Approach 2:
The system changes the geometric parameter of the outlet by distributing it across multiple side walls rather than using a single large outlet. This parameter change allows the system to achieve both high total outlet area (for low velocity) and high air throughput simultaneously.
3Ease of operation
If the housing is designed for easy transport and stacking, then the ease of operation is improved, but the available space for flow channel and filter unit is reduced
Solution Approach 1:
The air outlet is segmented into multiple sections distributed on different side walls. This segmentation allows the system to achieve large total outlet area with compact housing dimensions, optimizing the balance between transportability and airflow performance.
Solution Approach 2:
The outlet sections are distributed across multiple dimensional directions (different side walls) rather than concentrating in one direction. This allows efficient use of the housing volume while maintaining compact external dimensions for easy transport and stacking.
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 system achieves a pleasant working environment with reduced air draft and minimized dust disturbance, while allowing for efficient air circulation and easy transport and assembly, maintaining high air throughput without excessive outflow velocity.
Implementation Method 1
a fan (44) rotatable about a rotation axis R for generating an air flow from the air inlet (8) to the air outlet (9)
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The invention relates to a portable air purification system (1) comprising a housing (2) with a bottom wall (16), a top wall (17) and side walls (12) extending between the bottom wall (16) and the top wall (17), which surround a receiving space (3), in particular a first receiving space (3A), wherein a flow channel (41) for receiving an air filter unit (40) is arranged in the receiving space (3), in particular the first receiving space (3A), which extends between an air inlet (8) in a first side wall (12A) of the housing (2) and an air outlet (9) in at least a second side wall (12B) of the housing (2), wherein the air filter unit (40) comprises an air filter (46) and a fan (44) rotatable about an axis of rotation (R) for generating an airflow from the air inlet (8) to the air outlet (9).A flow area of the air inlet (8) is smaller than or equal to a flow area of the air outlet (9) and/or the air outlet (9) has at least two air outlet sections which are arranged on at least two different side walls (12), in particular side walls (12) different from the first side wall (12A).