Robotic Cleaner Docking Station with Alignment and Debris Transfer
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Solution Overview
Problem
Robotic vacuum cleaners face performance degradation due to debris accumulation in their dust cups, requiring frequent emptying to maintain cleaning efficiency, which is inconvenient and inefficient.
Innovation Solution
A docking station with a pivoting dust cup that can be easily emptied and a cyclonic separator system to categorize debris by size, allowing for multiple cleanings before needing to be emptied, and a mechanism to align and dock the robotic cleaner for efficient debris transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the dust cup is emptied frequently to maintain cleaning performance, then cleaning efficiency is maintained, but user convenience deteriorates and time is lost
Solution Approach 1:
The dust cup is divided into two separate cups: a first dust cup on the robotic cleaner for active collection during cleaning operations, and a second dust cup on the docking station for storage and disposal. This segmentation allows the robotic cleaner to operate continuously without frequent user intervention for emptying, as the first cup can be emptied into the second cup automatically or less frequently.
Solution Approach 2:
The docking station acts as an intermediary between the robotic cleaner and the final disposal location for debris. It provides a buffer storage capacity (second dust cup) that decouples the cleaning operation from the emptying operation, allowing the robotic cleaner to maintain full capacity longer and reducing the frequency of user intervention.
2Duration of action of moving object
If the dust cup capacity is increased to extend cleaning cycles, then fewer emptying operations are needed, but the device size and complexity increase
Solution Approach 1:
The system merges the dust cup function across two devices: the robotic cleaner and the docking station. Instead of increasing the size of a single dust cup, the total capacity is distributed between the first dust cup (on the cleaner) and the second dust cup (on the docking station), extending the effective cleaning cycle without significantly increasing the complexity of either individual component.
3Device complexity
If manual emptying of the dust cup is required, then device complexity is reduced, but productivity decreases due to frequent interruptions
Solution Approach 1:
The system enables self-service by allowing the robotic cleaner to automatically dock with the docking station, where the first dust cup can be emptied into the second dust cup with minimal user intervention. The alignment features and docking mechanism facilitate this automatic or semi-automatic transfer process, reducing the need for frequent manual emptying operations and maintaining high productivity.
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 docking station effectively manages debris accumulation, allowing for extended cleaning cycles and improved performance by enabling easy debris removal and alignment with the robotic cleaner, enhancing cleaning efficiency and convenience.
Implementation Method 1
a cyclonic separator system to categorize debris by size
Implementation Method 2
When the suction motor is activated, air flow along a flow path
Data Source
AI summary
A docking station for a robotic cleaner may include a base having a support and a suction housing, a docking station suction inlet defined in the suction housing, wherein the docking station suction inlet is configured to fluidly couple to the robotic cleaner, and an alignment protrusion defined in the support. The alignment protrusion may be configured to urge the robotic cleaner towards an orientation in which the robotic cleaner fluidly couples to the docking station suction inlet.