Robotic Vacuum Docking Station with Automatic Debris Removal
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Solution Overview
Problem
Existing robotic vacuum cleaners face performance degradation due to debris accumulation in their dust cups, requiring frequent emptying to maintain cleaning efficiency.
Innovation Solution
A docking station equipped with a suction motor, a pivoting dust cup, and a filter system that allows for efficient debris collection and separation, enabling the robotic vacuum cleaner to empty its dust cup and maintain performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the robotic vacuum cleaner operates continuously, then productivity increases, but debris accumulates in the dust cup causing performance degradation
Solution Approach 1:
The docking station enables the robotic vacuum cleaner to automatically empty its own dust cup without human intervention. The system uses a suction motor to create negative pressure that draws debris from the robot's dust cup through a transfer channel into the docking station's collection container, allowing the robot to maintain cleaning performance autonomously
Solution Approach 2:
The docking station acts as an intermediary between the robotic vacuum cleaner and the ultimate debris disposal location. It provides a intermediate collection point with a larger capacity container, allowing the robot to offload debris periodically without requiring direct human emptying or complex onboard storage
2Duration of action of moving object
If the dust cup capacity is increased, then cleaning intervals can be extended, but the device complexity and size increase
Solution Approach 1:
Instead of increasing the dust cup capacity in three dimensions (making it larger and more complex), the solution moves the storage capacity to another dimension - the docking station's external collection container. This allows the robot to maintain a compact, simple dust cup while still achieving extended operational intervals between manual emptyings
Solution Approach 2:
The debris storage function is segmented between two components: the robot's dust cup for immediate collection and the docking station's collection container for long-term storage. This segmentation allows each component to be optimized independently - the robot remains compact and simple while the station provides extended capacity
3Device complexity
If manual emptying is required, then device complexity is reduced, but loss of time increases due to frequent human intervention
Solution Approach 1:
The system eliminates the need for frequent human intervention by enabling the robotic vacuum cleaner to empty its own dust cup automatically at the docking station. The robot autonomously connects to the station, the suction motor activates to transfer debris, and the robot returns to service without human involvement
Solution Approach 2:
The docking station is pre-configured with a large-capacity collection container and the necessary suction mechanism before the robot needs emptying. This preliminary preparation allows rapid automated emptying operations when the robot docks, minimizing the time lost compared to manual emptying procedures
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 collection, allowing the robotic vacuum cleaner to maintain consistent cleaning performance by regularly emptying the dust cup and filtering debris, thus extending cleaning intervals.
Implementation Method 1
When the suction motor is activated, fluid is caused to flow along a flow path extending from the fluid inlet through the docking station dust cup into the suction motor
Implementation Method 2
A filter can be provided in the docking station dust cup or in the base
Data Source
Figure 1
Figure 2
Figure 2A~2B
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.