Magnetic Coupling for Self-Propelled Spherical Device Accessories
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Solution Overview
Problem
Remote controlled devices require specialized controllers and physical fastening means for accessories, limiting flexibility and stability in operation.
Innovation Solution
A self-propelled device with a spherical housing and internal drive system, incorporating a magnetic coupling component for stable magnetic interaction with external accessories, allowing for reduced friction and stable coupling through magnetic levitation or attraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If physical fastening means are used to connect accessories, then connection strength is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The patent replaces mechanical fastening systems with a magnetic coupling system. The magnetic coupling component generates magnetic fields that magnetically interact with external accessories, eliminating the need for physical fasteners, screws, or clips. This substitution reduces mechanical complexity while maintaining secure connection strength through magnetic attraction forces.
Solution Approach 2:
The magnetic coupling component acts as an intermediary between the self-propelled device and external accessories. Instead of direct mechanical contact, the magnetic field serves as the coupling medium, enabling attachment and detachment without physical fastening mechanisms, thereby simplifying the overall system while preserving connection integrity.
2Stability of the object's composition
If physical fastening means are used to connect accessories, then connection stability is improved, but ease of operation deteriorates
Solution Approach 1:
The magnetic coupling system replaces complex mechanical fastening operations with simple magnetic attraction. Accessories can be attached by bringing them near the device, where magnetic forces automatically secure them, and detached by overcoming the magnetic force, eliminating the need for tools or manual fastening procedures.
Solution Approach 2:
The magnetic coupling component provides self-aligning and self-securing functionality. When an accessory approaches the device, the magnetic field automatically guides and secures the attachment without requiring precise manual alignment or activation of fastening mechanisms, thereby improving ease of operation while maintaining stability.
3Ease of operation
If magnetic coupling component is used, then ease of operation is improved, but connection strength deteriorates
Solution Approach 1:
The system allows dynamic adjustment of magnetic coupling strength through controllable electromagnets. The controller can modify electrical current parameters to the electromagnets, enabling variable magnetic field intensity. This permits optimization of connection strength for different operational conditions while maintaining ease of operation through simple proximity-based attachment.
4Device complexity
If magnetic coupling component is used, then device complexity is reduced, but reliability deteriorates
Solution Approach 1:
The controller monitors the operational state of the self-propelled device and adjusts electromagnet current accordingly. This feedback mechanism ensures that magnetic coupling strength is optimized for current conditions, maintaining reliable accessory attachment while simplifying the fastening system. The system can detect attachment status and adjust magnetic forces to prevent accidental detachment.
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
Enables flexible and stable operation of accessories with reduced friction, allowing the self-propelled device to maintain orientation and position while moving, and facilitating wireless communication and control.
Implementation Method 1
A magnetic coupling component may be included with the biasing mechanism. The magnetic coupling component can comprise ferrous metal or a permanent magnet, such as a neodymium magnet, to provide a magnetic field through the spherical housing to magnetically interact with external devices or accessories.
Implementation Method 2
allowing for reduced friction and stable coupling through magnetic levitation or attraction
Data Source
AI summary
A system comprising a self-propelled device and an accessory device. The self-propelled device includes a spherical housing, and a drive system provided within the spherical housing to cause the self-propelled device to roll. When the self-propelled device rolls, the self-propelled device and the accessory device magnetically interact to maintain the accessory device in contact with a top position of the spherical housing relative to an underlying surface on which the spherical housing is rolling on.