Robot Cleaner Dust Container Layout for Suction and Obstacle Sensing
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Solution Overview
Problem
Existing robot cleaners face challenges with reduced suction force, separation of brush rollers, increased collision probability of the suction unit with obstacles, blind spots in sensing, and inconvenient HEPA filter replacement, which affect their efficiency and usability.
Innovation Solution
The design includes a suction unit protruding from the cleaner body with cover members to prevent collisions, a sensing unit with overlapping coverage to detect obstacles, and a modular dust container system with easy filter access, allowing for improved navigation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the suction unit protrudes from the cleaner body, then the suction force is improved, but the collision probability with obstacles increases
Solution Approach 1:
The suction unit is designed to be movable relative to the cleaner body, capable of protruding forward during cleaning and retracting when obstacles are detected by the sensing unit. This dynamic adjustment allows the suction unit to maintain optimal position for suction while avoiding collisions, resolving the contradiction between improved suction force and reduced collision probability
2Power
If the suction unit protrudes from the cleaner body, then the suction force is improved, but the suction unit is located in a blind spot of the sensing unit
Solution Approach 1:
The sensing system is divided into multiple sensing units positioned at different locations on the cleaner body. This segmentation allows the sensing units to collectively cover the area around the protruding suction unit, eliminating blind spots while maintaining the suction unit's forward position for optimal cleaning performance
3Object-affected harmful factors
If the HEPA filter is integrated into the cleaner body, then the filtration is effective, but the filter replacement requires disassembly of the cleaner body
Solution Approach 1:
The HEPA filter is segmented from the main cleaner body and integrated into the removable dust container assembly. This allows the filter to remain integrated with a functional unit for effective filtration, while enabling easy access and replacement by simply detaching the dust container, eliminating the need to disassemble the cleaner body
4Reliability
If the dust container has a complex coupling structure, then the assembly is secure, but the assembly and disassembly become difficult
Solution Approach 1:
The coupling structure is segmented into discrete coupling protrusions and corresponding coupling grooves positioned at specific locations on the dust container and cleaner body. This segmented design provides secure mechanical interlocking while allowing simple snap-fit assembly and disassembly operations, resolving the contradiction between assembly security and operational convenience
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
Enhances the robot cleaner's ability to avoid obstacles, maintain suction efficiency, and simplify maintenance by reducing collision risks and facilitating easy filter replacement, leading to improved cleaning performance and user convenience.
Implementation Method 1
a flow separating part extending downwardly inclined along the inner circumference of the dust container
Data Source
AI summary
A robot cleaner comprising: a cleaner body including a controller, the cleaner body having a dust container accommodation part formed therein; a wheel unit mounted in the cleaner body, the wheel unit of which driving is controlled by the controller; and a dust container detachably coupled to the dust container accommodation part, wherein a first opening and a second opening are disposed at the same height in an inner wall of the dust container accommodation part, wherein the dust container includes: an entrance and an exit, disposed side by side along the circumference of the dust container, the entrance and the exit, respectively communicating with the first opening and the second opening when the dust container is accommodated in the dust container accommodation part; and a flow separating part extending downwardly inclined along the inner circumference of the dust container.