Drum Module Mass Compensation to Reduce Vacuum Cleaner Vibration
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Solution Overview
Problem
The issue of mass center mismatch with the rotation center in drum modules of vacuum cleaners, leading to noise and vibration, particularly when different types of blades are used for varying cleaning surfaces.
Innovation Solution
Incorporating a mass compensation member, such as a mass compensation rib, to align the mass center with the rotation center, using blades of varying masses and materials to optimize cleaning efficiency and reduce noise and vibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If various kinds of blades are used to scatter foreign materials on different surface conditions, then cleaning efficiency is improved, but mass center mismatch with rotation center occurs causing noise and vibration
Solution Approach 1:
The patent applies the counterweight principle by adding a mass compensation member to the drum module. This member is specifically designed to compensate for the mass difference between various blades (such as brush blades and striking blades), thereby balancing the mass center with the rotation center and reducing noise and vibration during operation
2Adaptability or versatility
If blades of different masses are used to optimize cleaning for different surfaces, then adaptability is improved, but mass center alignment deteriorates
Solution Approach 1:
The mass compensation member serves as a counterweight that offsets the mass variations introduced by using different blade types (brush blades for hard floors, striking blades for carpets). This allows the drum module to maintain mass center alignment with the rotation center while adapting to different surface conditions through blade selection
Data Source
AI summary
A cleaner includes a main body and a suction head connected to the main body to suck foreign objects into the main body therethrough, the suction head including a housing including a suction port, and a drum module disposed in the housing, and to be rotated to scatter the foreign objects to be sucked through the suction port so that the scattered foreign objects are drawn into the housing through the suction port, and the drum module including a drum body, a first blade coupled to outer circumference of the drum body, a second blade separated from the first blade in a circumferential direction of the drum body and having a mass greater than a mass of the first blade, and a mass compensation member arranged on the outer circumference of the drum body to compensate for a difference in mass between the first blade and the second blade.