Cleaner
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Solution Overview
Problem
Existing handheld vacuum cleaners have a center of gravity imbalance due to heavy components, making them inconvenient to use and causing wrist strain, and suffer from airflow inefficiencies due to the placement of the airflow generator and power supply.
Innovation Solution
The design repositions the suction motor, dust separation unit, and battery to minimize weight distribution issues and airflow path length, with the suction motor vertically overlapping the dust separation unit and the battery placed behind, ensuring the handle is clear of obstructions and airflow discharge is directed away from the user.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the airflow generator and power supply are disposed right over and under the handle, then the center of gravity concentrates on the handle, but this makes it inconvenient for users and may cause wrist injury
Solution Approach 1:
The airflow generator is repositioned from a vertical arrangement (directly over the handle) to a horizontal/longitudinal arrangement (in front of the cyclone separator). This dimensional change in component layout redistributes weight along the device's length rather than concentrating it at the handle, improving balance and user comfort while maintaining structural integrity
2Device complexity
If the airflow generator is disposed behind the cyclone, then the components can be arranged compactly, but the air channel becomes necessarily long and causes large flow loss
Solution Approach 1:
The airflow generator is positioned upstream (in front of the cyclone) rather than downstream (behind it), so that air generation occurs before the separation process. This preliminary positioning creates a direct, short airflow path from generation to separation, minimizing channel length and reducing energy loss while enabling efficient component integration
3Device complexity
If the airflow generator is disposed right over the handle, then the structure is compact, but the discharged air directly touches the user's hand
Solution Approach 1:
The airflow generator and its air discharge function are extracted from the handle area and relocated to the front section of the device near the cyclone separator. This separation removes the harmful air discharge away from the user's hand while preserving the compact overall structure through optimized component placement
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 improves user convenience by distributing weight evenly, reducing wrist strain and airflow loss, enhancing suction force and battery life while preventing air discharge from contacting the user.
Implementation Method 1
a dust separation unit that includes one or more cyclone units generating cyclonic flow to separate dust from air flowing inside through the suction unit
Implementation Method 2
a suction motor that generates suction force for sucking air through the suction unit and includes an impeller
Data Source
AI summary
A cleaner includes: a suction unit; a suction motor that generates suction force for sucking air through the suction unit and includes an impeller; a dust separation unit that includes one or more cyclone units generating cyclonic flow to separate dust from air flowing inside through the suction unit; a dust container that stores dust separated by the dust separation unit and is disposed under the suction motor; a battery disposed behind the dust container to supply power to the suction motor; and a handle disposed behind the suction motor, wherein a rotational axis of the impeller and an axis of the cyclonic flow vertically extend and an extension line from the rotational axis of the impeller passes through the one or more cyclone units.