Cleaning robot system
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Solution Overview
Problem
The connecting structure between the mopping disk and the movement mechanism in self-moving cleaning devices is complicated, making disassembly inconvenient.
Innovation Solution
A detachable magnetic attraction assembly connects the cleaning element to the movement mechanism, with an electromagnet at the base station providing a stronger magnetic force than the difference between the magnetic attraction force and gravitational force, allowing for automatic disassembly and separation of the cleaning element from the movement mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a connecting structure is provided between the mopping disk and the movement mechanism to enable lifting and lowering, then the cleaning element can be lifted during non-mopping operation, but the connecting structure becomes complicated resulting in inconvenient disassembly
Solution Approach 1:
The cleaning element is designed as a detachable module that can be separated from the movement mechanism. The magnetic attraction assembly provides the connection force when needed, while allowing complete disassembly when not needed, dividing the system into independent functional modules.
Solution Approach 2:
The traditional mechanical connecting structure (screws, clips, or complex linkages) is replaced with a magnetic attraction assembly. The electromagnet provides the necessary holding force through magnetic field interaction, eliminating the need for complex mechanical fastening and release mechanisms.
2Ease of operation
If a detachable connection is used between the cleaning element and movement mechanism, then disassembly becomes convenient, but the reliability of connection may be compromised
Solution Approach 1:
The connection reliability is ensured through electromagnetic attraction force which can be precisely controlled. The electromagnet provides consistent and reliable holding force during operation, while allowing simple detachment when powered off or deactivated, achieving both reliability and ease of disassembly.
Solution Approach 2:
The magnetic attraction force can be dynamically adjusted by changing the electrical parameters (current, voltage) supplied to the electromagnet. This allows the system to maintain strong connection during operation while enabling easy release when needed, achieving both reliable connection and convenient disassembly.
3Extent of automation
If an electromagnet is used at the base station to provide strong magnetic force for disassembly, then automatic disassembly is enabled, but energy consumption increases
Solution Approach 1:
The electromagnet operates periodically rather than continuously - activated only when the cleaning element needs to be detached. During normal operation and transport, the electromagnet remains inactive, consuming minimal energy. This periodic activation enables automatic disassembly while controlling overall energy consumption.
Solution Approach 2:
The system uses the base station's existing power supply and control systems to operate the electromagnet, leveraging available resources. The cleaning element itself carries the magnetically attractable part, making it part of the self-contained system that can be automatically manipulated without additional external energy sources.
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
Facilitates easy and convenient disassembly of the cleaning element, improving user experience and reducing manual intervention, while ensuring reliable connection and operation of the cleaning element.
Implementation Method 1
the cleaning element and the movement mechanism being detachably connected by means of a first magnetic attraction assembly
Implementation Method 2
the base station being provided with an electromagnet, in which a magnetic attraction force between the energized electromagnet and the first magnetically attractable part is greater than a difference between a magnetic attraction force of the first magnetic attraction assembly and a gravitational force of the cleaning element
Data Source
AI summary
A cleaning robot system includes a self-moving cleaning device and a base station. The self-moving cleaning device includes a machine main body, a cleaning element and a movement mechanism. The movement mechanism is connected to the machine main body and the cleaning element to drive the cleaning element to be lifted and lowered relative to the machine main body. The cleaning element and the movement mechanism are detachably connected by means of a first magnetic attraction assembly. The cleaning element is provided with a first magnetically attractable part. The base station is provided with an electromagnet. A magnetic attraction force between the energized electromagnet and the first magnetically attractable part is greater than a difference between a magnetic attraction force of the first magnetic attraction assembly and a gravitational force of the cleaning element.