Modular Robotic Floor Cleaner with Base Station Module Exchange
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Solution Overview
Problem
Robotic cleaning devices are not practical for large commercial spaces due to the need for frequent maintenance, such as emptying debris and replacing cleaning liquids, which limits their operational duration and coverage.
Innovation Solution
A modular robotic floor-cleaning system with interchangeable modules for resources like cleaning fluids, water, and batteries, utilizing a base station for exchanging spent modules with new ones, allowing the robot to operate continuously without human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If robotic cleaning devices are used for large commercial spaces, then cleaning coverage area increases, but maintenance frequency increases
Solution Approach 1:
The cleaning device is divided into modular functional units (cleaning modules) that can be independently replaced. Each module contains specific components like cleaning heads, fluid tanks, or debris containers that can be exchanged separately, allowing maintenance of individual modules without affecting the entire system and enabling continuous operation across large areas.
Solution Approach 2:
The system implements automatic recovery and reuse of resources. Debris containers are automatically emptied at base stations, cleaning fluid tanks are refilled from stationary reservoirs, and used modules are recovered and replaced with fresh ones. This automated resource management reduces maintenance frequency and enables extended operation in large commercial spaces.
2Productivity
If robotic cleaning devices operate for extended periods, then cleaning efficiency increases, but resource depletion occurs
Solution Approach 1:
The system pre-positions multiple cleaning modules and resources at base stations before operation begins. Modules are prepared in advance with full fluid tanks, clean debris containers, and functional components. This preliminary preparation allows the mobile device to operate for extended periods without interruption, as replacement modules are already available when needed.
Solution Approach 2:
The robotic cleaning device performs self-maintenance by automatically detecting resource levels and navigating to base stations to refill fluids, empty debris containers, and replace modules. This self-service capability eliminates the need for manual intervention during operation, enabling extended continuous operation while managing resource depletion automatically.
3Adaptability or versatility
If modular modules are added for each function, then operational flexibility increases, but device complexity increases
Solution Approach 1:
The system employs universal module interfaces and standardized connection mechanisms that allow different functional modules (mopping, sweeping, polishing, fluid management) to be interchangeably attached to the same platform. This universality provides operational flexibility for different cleaning tasks while managing complexity through standardized interfaces and automated module handling.
Data Source
AI summary
A floor-cleaning system comprised of a mobile robot having compartments to hold modules corresponding to various functions and a base station storing extra modules. The mobile robot runs until one or more modules is expended, at which point the robot navigates to the base station, ejects expended modules, and loads new modules. The robot continues operation with a minimum amount of downtime and a reduced need for human intervention. The base station may be supplied with numerous ready modules so that a human administrator only needs to replenish, replace or empty the modules periodically.