Handheld cleaner
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Solution Overview
Problem
Existing hand-held vacuum cleaners face challenges in maintaining suction performance over time due to filter clogging, which requires increasing the filter area, thereby altering the internal structure, and struggles with effective foreign substance filtration without compromising the cleaner's design.
Innovation Solution
The design incorporates a filter mechanism with a first and second filter unit that cross each other, surrounded by a flow guide and motor housing, allowing for improved filtration without altering the cleaner's structure, and includes a HEPA filter in the opening cover to enhance dust separation and reduce suction loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the filter area is increased to maintain suction performance, then the filtering performance is improved, but the internal structure of the cleaner must be changed
Solution Approach 1:
The filter member is disposed to surround the motor housing, with the first filter unit wrapped around the motor housing and the second filter unit extending in a crossing direction. This nested configuration allows the filter to be integrated within the existing cleaner body structure without requiring structural modifications, while still providing increased filter area for improved filtering performance
Solution Approach 2:
The filter member utilizes three-dimensional space by extending in multiple directions (first direction and second direction crossing each other) around the motor housing. This dimensional approach maximizes the filter area within the limited space available, improving filtering performance without altering the overall cleaner structure
2Object-generated harmful factors
If the filter area is increased to reduce foreign substance discharge, then the filtering performance is improved, but the cleaner body structure must be altered
Solution Approach 1:
The filter member is disposed to surround the motor housing, with the first filter unit wrapped around the motor housing and the second filter unit extending in a crossing direction. This nested configuration allows the filter to be integrated within the existing cleaner body structure without requiring structural modifications, while still providing increased filter area for improved filtering performance
Solution Approach 2:
The filter member utilizes three-dimensional space by extending in multiple directions (first direction and second direction crossing each other) around the motor housing. This dimensional approach maximizes the filter area within the limited space available, improving filtering performance without altering the overall cleaner structure
3Reliability
If the filter area is increased to reduce suction performance deterioration, then the filtering performance is improved, but the internal structure must be changed
Solution Approach 1:
The filter member is disposed to surround the motor housing, with the first filter unit wrapped around the motor housing and the second filter unit extending in a crossing direction. This nested configuration allows the filter to be integrated within the existing cleaner body structure without requiring structural modifications, while still providing increased filter area for improved filtering performance
Solution Approach 2:
The filter member utilizes three-dimensional space by extending in multiple directions (first direction and second direction crossing each other) around the motor housing. This dimensional approach maximizes the filter area within the limited space available, improving filtering performance without altering the overall cleaner structure
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 configuration enhances dust filtration efficiency, reduces the discharge of unfiltered substances, and maintains suction performance by increasing the filter area without changing the cleaner's structure, thus extending battery life and user safety through balanced weight distribution.
Implementation Method 1
a suction motor accommodated in the main body and configured to generate suction force
Implementation Method 2
a filter mechanism disposed between the motor housing and the flow guide and including a filter member configured to filter dust contained in introduced air
Implementation Method 3
Foreign substance contained in the air suctioned through the suction hole may be collected into an upstream cyclone by the centrifugal separation device
Data Source
AI summary
A cleaner includes a main body having an opening, a suction motor accommodated in the main body and configured to generate suction force, an opening cover separably coupled to the main body and configured to cover the opening, a motor housing configured to surround the suction motor, a flow guide disposed to surround at least a portion of the motor housing and spaced apart from the motor housing, and a filter mechanism disposed between the motor housing and the flow guide and including a filter member configured to filter dust contained in introduced air. The filter member is disposed to surround the motor housing, and the filter member includes a first filter unit and a second filter unit extends in a direction in which the first and second filter units cross each other.