Robotic vacuum cleaner and docking station for a robotic vacuum cleaner
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Solution Overview
Problem
Existing robotic surface cleaning apparatuses require a suction motor and air treatment member in their docking stations to filter dirt, which complicates the design and functionality.
Innovation Solution
Incorporating a mechanical transfer member that conveys dirt from the robotic surface cleaning apparatus to the docking station, eliminating the need for a suction motor or air treatment member in the docking station by moving dirt through the air treatment unit and into the docking station.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a suction motor and air treatment member are installed in the docking station to filter dirt, then the dirt filtration function is improved, but the device complexity and cost increase
Solution Approach 1:
The patent extracts the dirt transfer function from the docking station by introducing a mechanical transfer member (such as a brush or scraper) that physically conveys dirt from the robotic vacuum cleaner to the docking station's dirt collection container. This eliminates the need for suction motors and air treatment members in the docking station, thereby reducing device complexity while maintaining effective dirt collection
Solution Approach 2:
The patent replaces the pneumatic system (suction motor and air flow) with a mechanical system (brush or scraper that physically pushes dirt). This mechanical transfer mechanism is simpler to implement in the docking station and achieves the same dirt collection function without requiring complex air treatment components
2Device complexity
If a mechanical transfer member is used to convey dirt through the air treatment unit, then the docking station design is simplified, but the dirt transfer efficiency must be maintained
Solution Approach 1:
The mechanical transfer member is designed to be movable between different positions - extending into the air treatment unit during dirt transfer operations and retracting during normal cleaning operations. This dynamic positioning allows the system to maintain simple design during idle periods while achieving effective dirt transfer when needed, balancing structural simplicity with operational efficiency
Solution Approach 2:
The mechanical transfer member acts as an intermediary element that bridges the robotic vacuum cleaner and the docking station's dirt collection container. By using this intermediate mechanical component, the system achieves efficient dirt transfer without requiring complex integrated systems in either the robot or the docking station
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
Simplifies the docking station design, enhances dirt transfer efficiency, and allows for complete emptying of the dirt chamber without additional filtration components.
Implementation Method 1
a mechanical transfer member moveable in the first direction through at least a portion of the air treatment unit whereby dirt collected in the air treatment unit is moved in the first direction through the air treatment unit
Data Source
AI summary
A docking station for a robotic vacuum cleaner has a pneumatic transfer mechanism that is used to direct air to the robotic vacuum cleaner to thereby transfer dirt from the robotic vacuum cleaner to a docking station.