Cleaning Robot Electromagnetic Wheel Lock for Charging Dock Stability
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Solution Overview
Problem
Automatic cleaning robots often disengage from charging docks during improper docking, leading to incomplete charging and disrupted cleaning operations, which deteriorates user experience.
Innovation Solution
Implement a charging control method that electromagnetically locks the driving wheel of the cleaning robot during charging, monitors for unlocking triggers such as external force, completion of charging, or a cleaning instruction, and unlocks the wheel accordingly to ensure proper docking and smooth operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cleaning robot is left unlocked during charging, then the robot can be easily moved and repositioned, but the robot may accidentally disengage from the charging dock, leading to incomplete charging
Solution Approach 1:
The system performs preliminary locking of the driving wheel before charging begins. The electromagnetic brake is activated in advance to secure the robot in place, preventing accidental disengagement during the charging process while allowing easy movement before charging starts.
Solution Approach 2:
An electromagnetic brake mechanism is introduced as an intermediary component between the driving wheel and the charging process. This mediator provides controlled locking and unlocking functionality, enabling the system to maintain reliability during charging while preserving ease of operation when needed.
2Reliability
If the driving wheel is locked during charging, then the robot remains securely docked, but the robot cannot respond to external forces or be repositioned
Solution Approach 1:
The locking mechanism transitions from a static locked state during charging to an unlocked state when triggered by external forces or control signals. The electromagnetic brake dynamically adjusts its state based on charging status and external inputs, allowing the system to maintain docking stability when needed while regaining adaptability when required.
Solution Approach 2:
The system monitors the charging status and external force detection continuously, and provides feedback control to the electromagnetic brake. When charging is detected, the brake is activated; when external forces or control signals are detected, the brake is deactivated, creating a responsive feedback loop that balances stability and adaptability.
3Reliability
If the robot uses electromagnetic locking during charging, then accidental disengagement is prevented, but the system complexity increases
Solution Approach 1:
The electromagnetic brake system serves itself by automatically activating when charging status is detected and automatically deactivating when external forces or control signals are received. This self-service capability reduces the need for complex external control mechanisms, as the system manages its own locking state based on simple input conditions.
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
Prevents accidental disengagement from charging docks, ensuring complete charging and uninterrupted cleaning operations, thereby enhancing user experience.
Implementation Method 1
braking and locking the cleaning robot such that a driving wheel of the cleaning robot is electromagnetically locked
Implementation Method 2
a motor of the cleaning robot is controlled to drive a driving wheel of the cleaning robot
Data Source
AI summary
A charging control method, a non-transitory computer-readable storage medium, and a cleaning robot are provided. The method includes: detecting a charging status of the cleaning robot; in response to detecting that the cleaning robot is being charged, braking and locking the cleaning robot; monitoring a preset unlocking trigger operation, the preset unlocking trigger operation includes at least one of: rotation of the driving wheel under action of an external force, the cleaning robot completing charging, or the cleaning robot receiving an instruction for indicating to start a cleaning mode; in response to monitoring the preset unlocking trigger operation, unlocking the driving wheel; where monitoring the preset unlocking trigger operation includes: monitoring a status of the driving wheel; and in response to monitoring that the driving wheel rotates, determining that the unlocking trigger operation is detected.