Robot Cleaner Pad Exchange Station
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Solution Overview
Problem
Existing robot cleaners with wiping capabilities face issues as their cleaning pads become dirty during use and require manual replacement, which is inconvenient and inefficient.
Innovation Solution
A station is designed to automatically retrieve used cleaning pads from the robot cleaner and supply new ones, incorporating a pad replacement unit, storage containers, and a transfer unit to facilitate seamless pad exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual pad replacement is used, then device complexity is reduced, but productivity decreases and loss of time increases
Solution Approach 1:
The station enables automatic pad replacement through self-service mechanisms. The robot cleaner autonomously docks with the station, the pad transfer unit automatically transfers pads between containers and the robot, and the system operates without human intervention. This self-service capability resolves the contradiction by maintaining high productivity through automation while keeping the station structure relatively simple and modular.
Solution Approach 2:
The station is segmented into distinct functional modules: pad storage container, pad replacement unit, and pad transfer unit. This segmentation allows each component to perform its specific function independently, simplifying the overall device complexity while enabling automated operation that improves productivity. The modular design makes the complex task of automatic pad replacement manageable through divided responsibilities.
2Loss of time
If automated pad replacement is implemented, then loss of time is reduced, but device complexity increases
Solution Approach 1:
Pads are pre-stored in the pad storage container before the robot cleaner needs them. The station maintains a ready supply of clean pads, eliminating waiting time during replacement operations. This preliminary preparation resolves the contradiction by ensuring instant availability of pads, reducing loss of time while keeping the station configuration simple through basic storage functionality.
Solution Approach 2:
The pad transfer unit acts as an intermediary mechanism between the pad storage container and the robot cleaner. It automatically transfers pads without requiring direct interaction between the storage system and the robot, reducing pad replacement time. This intermediary component adds minimal complexity while significantly improving the speed of pad replacement operations.
3Manufacturing precision
If pad transfer unit moves back and forth, then manufacturing precision is maintained, but use of energy increases
Solution Approach 1:
The pad transfer unit operates through periodic reciprocating motion, moving back and forth between the pad storage container and the robot cleaner in regular cycles. This periodic action maintains precise pad alignment through consistent, repeatable movements while managing energy consumption through efficient oscillating motion rather than continuous positioning. The rhythmic transfer operation resolves the contradiction by achieving manufacturing precision through standardized periodic cycles.
Data Source
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AI summary
Provided is a station configured to retrieve a used pad detached from a robot cleaner and supply a new pad to be attached to the robot cleaner, the station including a station body, a pad replacement unit provided at the station body to load the used pad detached from the robot cleaner, a pad storage having a received pad container configured to store the used pad and a pad supply container configured to store the new pad, and a pad transfer unit configured to sequentially press the used pad and the new pad, wherein the pad supply container is arranged above a movement path of the pad transfer unit, and the received pad container is arranged below the movement path of the pad transfer unit.