Autonomous floor cleaner with brushroll positioning
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Solution Overview
Problem
Current autonomous floor cleaners are often specialized for either hard or soft floor surfaces, failing to perform effectively on both types.
Innovation Solution
An autonomous floor cleaner with a brush chamber, drive system, and interchangeable tanks and brushrolls, featuring a brushroll height setting mechanism to optimize cleaning on both hard and soft surfaces through adjustable brushroll positions for dry and wet modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the brushroll is fixed at a single height, then the cleaning performance on one type of floor surface is optimized, but the cleaning performance on the other type of floor surface deteriorates
Solution Approach 1:
The brushroll height is made adjustable through a height adjustment mechanism that allows the brushroll to be positioned at different heights relative to the floor surface. This dynamic adjustment enables the cleaning device to optimize brushroll contact pressure for different floor types (e.g., hard floors versus carpets), thereby resolving the contradiction between optimizing performance for one surface type while maintaining versatility across multiple surface types.
Solution Approach 2:
The invention changes the physical parameter of brushroll height to adapt cleaning performance for different floor surfaces. By providing a height adjustment mechanism, the system can modify the brushroll's position parameter according to the specific floor type being cleaned, thus achieving both optimized performance and broad adaptability.
2Productivity
If the cleaning device is specialized for one floor surface type, then cleaning efficiency on that surface is improved, but versatility across different surface types is reduced
Solution Approach 1:
The cleaning device is designed with universal adaptability through interchangeable components including multiple brushroll types (e.g., soft bristles for hard floors, stiff bristles for carpets) and interchangeable tanks (dry tank, wet tank). The height adjustment mechanism further enhances universality by allowing the same base unit to effectively clean different floor types. This multi-functionality approach enables a single device to replace multiple specialized cleaners.
Solution Approach 2:
The system incorporates dynamic adaptability through interchangeable components that can be changed based on the cleaning task. The brushroll height adjustment mechanism and the ability to swap brushrolls and tanks allow the device to dynamically adapt its configuration for optimal performance on different floor surfaces, achieving both high efficiency and broad versatility.
3Adaptability or versatility
If interchangeable brushrolls and tanks are provided, then adaptability to different cleaning modes is improved, but device complexity increases
Solution Approach 1:
The cleaning device is segmented into modular interchangeable components: brushrolls, tanks (dry and wet), and a base unit. This segmentation allows users to swap only the necessary components for each cleaning task rather than replacing entire systems. The standardized interfaces between components simplify the complexity by creating a systematic approach to interchangeability.
Solution Approach 2:
The base unit is designed as a universal platform that can accommodate multiple types of brushrolls and tanks through standardized mounting mechanisms. This universality reduces overall system complexity by using common interfaces and mounting structures across different component types, allowing the system to handle multiple cleaning modes without requiring entirely separate devices.
Data Source
AI summary
An autonomous floor cleaner includes a tank adapted to hold liquid and/or debris, a brushroll to agitate a surface to be cleaned, and a position setting mechanism for the brushroll. The position setting mechanism can include a height setting feature on the tank to set the height of the brushroll within a brush chamber.