Upright Vacuum Cleaner Filter Layout for Clean Cord Reel Cooling
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Solution Overview
Problem
Conventional upright-type vacuum cleaners face issues with carbon powder contamination of the power cord due to the air stream from the suction motor being passed through the cord reel assembly before the discharge filter, making it difficult to clean and maintain the discharge filter.
Innovation Solution
The design includes a removable and mountable discharge filter unit and cord reel assembly, where the filtered air stream changes direction perpendicularly to pass through the cord reel assembly, allowing for easy cleaning and maintenance of the filter without disassembling the cord reel assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the air stream from the suction motor is passed through the cord reel assembly before the discharge filter, then the power cord can be cooled, but carbon powder contaminates the power cord
Solution Approach 1:
The air stream path is segmented into two separate paths: one path goes through the discharge filter to remove carbon powder, and another path goes through the cord reel assembly to cool the power cord. This segmentation allows the cooling function to be achieved without exposing the power cord to carbon powder contamination.
Solution Approach 2:
A second discharge filter is introduced as an intermediary component between the suction motor and the cord reel assembly. This intermediary filter captures carbon powder before the air stream reaches the power cord, allowing the air stream to still provide cooling while preventing contamination.
2Device complexity
If the discharge filter is housed within the vacuum cleaner body and covered by the cord reel assembly, then the structure is compact, but the discharge filter cannot be easily cleaned
Solution Approach 1:
The discharge filter assembly is segmented into a removable filter unit and a fixed housing. The filter unit can be easily detached from the housing without removing the cord reel assembly, allowing users to access and clean the filter independently while maintaining the compact overall structure.
Solution Approach 2:
The discharge filter is designed with dynamic accessibility - it can be easily removed and reinstalled by the user without disassembling other components. This dynamic design allows the filter to transition between a fixed state during operation and an accessible state during maintenance, resolving the contradiction between structural compactness and cleaning ease.
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 prevents carbon powder contamination and allows for convenient cleaning and replacement of the filter member, enhancing user convenience and reducing maintenance complexity.
Implementation Method 1
a discharge filter unit mounted on a first surface of the cleaner body, to filter out impurities from an air stream discharged from the suction motor
Implementation Method 2
the vacuum cleaner may employ a structure in which an air stream discharged from a suction motor is passed through the cord reel assembly to thereby cool the heat from the power cord
Data Source
AI summary
An upright-type vacuum cleaner is provided. The upright-type vacuum cleaner includes a cleaner body comprising a motor chamber in which a suction motor is mounted, a brush assembly connected to the cleaner body, a discharge filter unit mounted on a first surface of the cleaner body, to filter out impurities from an air stream discharged from the suction motor, and a cord reel assembly mounted on a second surface of the cleaner body and having a power cord. The discharge filter unit includes a filter member mountable and demountable to and from the cleaner body by a user outside the vacuum cleaner, and at least a part of an air stream filtered by the filter member shifts a direction to pass through the cord reel assembly.