Magnetic Control Wheel Damping for Precise Remote Input
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Solution Overview
Problem
Conventional control wheels in remote controllers face issues with friction damage and reduced rotating precision due to physical friction from damping structures, which affect the control wheel's performance when the remote controller is inclined or shaken.
Innovation Solution
A control wheel utilizing magnetic attraction technology to control its rotating speed, eliminating direct contact with the main body and enhancing precision, with a concave structure exposing the lateral surface for easier operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a damping structure (soft rubber gasket or protrusion structure) is added between the control wheel and main body to prevent shifting and erroneous touch, then the control wheel stability is improved, but the rotating speed decreases and rotating precision deteriorates due to increased friction
Solution Approach 1:
The patent replaces the mechanical friction-based damping structure with a magnetic field-based damping mechanism. The first magnetic element on the control wheel interacts with the second magnetic element on the main body through magnetic attraction, providing damping force without physical contact. This substitution eliminates the friction that previously degraded rotating precision while maintaining control wheel stability during inclination or shaking.
Solution Approach 2:
The magnetic field serves as an intermediary between the control wheel and main body, transmitting damping forces without direct mechanical contact. The magnetic elements mediate the interaction, allowing the control wheel to be restrained during shaking while maintaining smooth rotation capability, thus resolving the contradiction between stability and rotating precision.
2Reliability
If a damping structure is added to prevent the control wheel from self-rotating or shifting during use, then erroneous touch is avoided, but the structures of associated components are damaged after long use time due to physical friction
Solution Approach 1:
The patent eliminates the mechanical contact between the damping structure and control wheel by using magnetic field interaction. The magnetic elements provide the necessary restraining force during shaking or inclination without physical friction, thereby preventing component damage and extending service life while maintaining error prevention capability.
Solution Approach 2:
The patent converts the potentially harmful physical friction into a beneficial magnetic field interaction. Instead of using friction that damages components, the magnetic attraction provides the same damping function without contact, transforming a harmful mechanical interaction into a harmless electromagnetic one that preserves component integrity.
3Device complexity
If the control wheel is installed within the inner space of the remote controller with exposed operating surface, then the remote controller structure is simplified, but the control wheel is shifted or shaken when the remote controller is inclined or shaken in the air
Solution Approach 1:
The magnetic field acts as an intermediary restraint mechanism, providing stabilizing force on the control wheel during inclination or shaking without requiring complex mechanical constraints. The magnetic attraction between the first and second magnetic elements keeps the control wheel in proper position while maintaining the simple overall structure of the remote controller.
Solution Approach 2:
The patent changes the damping mechanism from mechanical friction to magnetic field interaction, fundamentally altering the physical parameter from contact force to field force. This parameter change enables the control wheel to maintain stability during shaking or inclination while preserving the simplicity of the remote controller structure.
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 magnetic attraction technology maintains the control wheel's rotating function and enhances precision without damaging components, allowing for smoother operation and reduced friction-related issues.
Implementation Method 1
The first magnetic element of the wheel ring and the second magnetic element are magnetically attracted by each other. Consequently, a rotating speed of the wheel ring is decreased.
Data Source
AI summary
A control wheel includes a casing, a wheel ring, a first magnetic element, a pivotal shaft and a second magnetic element. The casing includes an accommodation structure and a concave structure. The accommodation structure includes a base. The wheel ring is disposed within the accommodation structure. The wheel ring is exposed outside through the accommodation structure and the concave structure. The pivotal shaft is disposed within the wheel ring and connected with the base of the accommodation structure. The wheel ring is rotatable relative to the pivotal shaft. The first magnetic element is disposed within the wheel ring. The second magnetic element is disposed within the base of the accommodation structure. The first magnetic element of the wheel ring and the second magnetic element are magnetically attracted by each other. Consequently, a rotating speed of the wheel ring is decreased.