Roller Module Automatic Mode Switching via Magnetic Actuation
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Solution Overview
Problem
Conventional roller modules lack a mechanism for automatically switching between tactile and non-tactile modes, requiring manual operation and consuming electric energy in non-tactile modes.
Innovation Solution
A roller module design that includes a supporting seat, scroll wheel, linkage rod, torsion spring, first magnet, and coil, allowing automatic switching between tactile and non-tactile modes by reversing magnetic poles with electric current, reducing power consumption and eliminating manual operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the roller module operates in non-tactile mode, then smooth operation is achieved, but electric energy is consumed
Solution Approach 1:
The roller module dynamically switches between tactile and non-tactile modes based on operational needs. The linkage rod can be positioned in different states: engaged with the toothed region for tactile feedback, or disengaged for smooth non-tactile operation. This dynamic reconfiguration allows the system to optimize between energy consumption and operational smoothness.
Solution Approach 2:
The system automatically determines when to switch between modes based on rotational speed detection. When the scroll wheel rotates above a preset speed threshold, the system automatically transitions to non-tactile mode to reduce energy consumption, eliminating the need for manual user intervention in mode selection.
2Adaptability or versatility
If manual switching mechanism is added, then mode switching capability is achieved, but device complexity increases
Solution Approach 1:
The patent replaces complex manual mechanical switching mechanisms with a simplified magnetic field-based control system. A magnet and coil assembly generates magnetic fields that act on the linkage rod, enabling automatic mode switching through electromagnetic interaction rather than complex mechanical linkages or user-operated switches.
Solution Approach 2:
The system changes operational parameters (magnetic field strength, coil current) to control the linkage rod's position. By adjusting electromagnetic parameters, the system achieves mode switching without adding complex mechanical switching components, thereby maintaining simplicity while gaining adaptability.
3Use of energy by moving object
If tactile mode is used, then no electric energy is consumed, but operation requires manual input for mode switching
Solution Approach 1:
The system incorporates rotational speed detection feedback to automatically determine when to switch from tactile to non-tactile mode. When the scroll wheel's rotational speed exceeds a preset threshold, the system detects this condition and automatically transitions to energy-saving tactile mode, eliminating manual switching requirements while optimizing energy consumption based on actual usage patterns.
4Ease of operation
If automatic mode switching is implemented, then user-friendliness is improved, but additional components are required
Solution Approach 1:
The linkage rod serves multiple functions: it provides tactile feedback through engagement with the toothed region, enables automatic mode switching through magnetic field interaction, and acts as a mechanical connector between the scroll wheel and output mechanisms. This multi-functionality reduces the need for separate dedicated components for each function, achieving automatic mode switching without proportionally increasing component count.
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 seamless automatic switching between modes, reducing power consumption in tactile mode and allowing smooth operation in non-tactile mode without manual intervention, enhancing user experience and efficiency.
Implementation Method 1
electric current flows through the coil to reverse poles of the second magnet
Implementation Method 2
the first magnet and the second magnet are close to each other... the first magnet is moved away from the second magnet
Implementation Method 3
the torsion spring exerts a pulling force on the resisting segment
Data Source
AI summary
A roller module includes a supporting seat, a scroll wheel, a linkage rod, a torsion spring, a first magnet, a second magnet and a coil. The scroll wheel is installed on the supporting seat. The linkage rod includes a fulcrum segment, a resisting segment and an effort segment. The torsion spring is connected with the resisting segment. The first magnet is arranged between the second magnet and the effort segment. The coil is arranged around the second magnet. When the roller module is in a tactile mode, the first magnet and the second magnet are close to each other, and the torsion spring exerts a pulling force on the resisting segment. Consequently, the resisting segment is contacted with a toothed region of the scroll wheel. When the roller module is in a non-tactile mode, the resisting segment is moved away from the toothed region.