Cleaning device and operation method thereof
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Automatic cleaning devices face difficulties in collecting hair and fiber debris due to electrostatic attraction, which adheres to surfaces and is hard to separate, leading to reduced user convenience and potential device malfunctions.
Innovation Solution
A cleaning device with a dual-roller brush system, where the first roller rotates at a high speed and the second roller rotates at a lower speed, with overlapping brushes to increase suction pressure and effectively collect contaminants by controlling the rotation speeds and spacing between the rollers, and a detachable brush design for specific use cases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a single brush roller is used for cleaning, then the device structure is simple, but the suction pressure is insufficient to collect adhered debris
Solution Approach 1:
The single brush roller is divided into two separate brush rollers (first brush roller and second brush roller). Each roller has its own brush elements that overlap with the other roller's brushes. This segmentation allows each roller to independently contribute to suction pressure while collectively achieving the force needed to collect adhered debris like hair and fibers.
Solution Approach 2:
The two brush rollers are positioned adjacent to each other with their brushes overlapping within a predetermined range. By merging the cleaning functions of both rollers in this overlapping zone, the system generates enhanced suction pressure that effectively lifts and collects debris adhered to surfaces, combining the effects of both rollers to overcome the limitation of a single roller.
2Productivity
If the brush roller rotates at high speed to improve cleaning efficiency, then productivity increases, but debris adheres more strongly due to centrifugal force
Solution Approach 1:
The cleaning function is segmented into two rollers rotating at different speeds. The first roller rotates at a higher speed to provide strong cleaning action and productivity, while the second roller rotates at a lower speed to minimize centrifugal adhesion effects. This segmentation allows each roller to optimize its rotation speed for its specific role in the cleaning process.
Solution Approach 2:
Different parts of the cleaning system (the two brush rollers) are assigned different rotation speeds according to their specific functions. The first roller operates at high speed for aggressive cleaning, while the second roller operates at low speed to prevent adhesion. This local differentiation of operational parameters optimizes overall cleaning efficiency while minimizing harmful adhesion effects.
3Manufacturing precision
If the brush roller is fixed for specific cleaning tasks, then cleaning precision for that task is improved, but adaptability to different surfaces is reduced
Solution Approach 1:
The brush roller system is designed with adjustable characteristics, allowing the first and second brush rollers to be configured with different rotation speeds based on the cleaning task requirements. This dynamic adjustability enables the system to adapt to various surface types and contamination levels while maintaining effective cleaning precision through the overlapping brush arrangement.
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 device improves the collection of hair and fiber debris by increasing suction pressure and adapting to surface contamination levels, enhancing cleaning efficiency and reducing the risk of device malfunctions.
Implementation Method 1
a first brush arranged on an outer circumferential surface of the first roller, a driver configured to generate power to rotate the first roller, a second roller longitudinally extending in the first direction and arranged so as to be spaced apart from the first roller by a first distance and to be rotatable relative to the main body, and a second brush arranged on an outer circumferential surface of the second roller
Implementation Method 2
Debris such as hair, fiber strands, or pet hair has the property of easily adhering to an object with a rough surface due to electrostatic attraction. At the same time, such debris has the property of not easily being separated from the surface of the object to which it adheres.
Data Source
AI summary
A cleaning device including a main body configured to be movable along a plane; a first roller longitudinally extending in a first direction and rotatable; a first brush on an outer circumferential surface of the first roller; a driver configured to generate power to rotate the first roller; a second roller longitudinally extending in the first direction and spaced apart from the first roller by a first distance and rotatable; and a second brush on an outer circumferential surface of the second roller, wherein the first roller and the second roller are configured so that the first roller is rotatable in a first rotation direction around a longitudinal axis of the first roller, the second roller is rotatable in the first rotation direction around a longitudinal axis of the second roller, the first and the second brush overlap within a first range, and the first distance exceeds the first range.