Magnetic Brake Bracket and Sensor Linkage for Exercise Equipment
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Solution Overview
Problem
Conventional exercise equipment adjustment systems are cumbersome and time-consuming for users to accurately set resistance levels, negatively impacting the exercise experience.
Innovation Solution
A bracket and sensor system that allows for linear adjustment of braking magnets relative to a flywheel, utilizing a linkage assembly and sensor arrangement to provide feedback on resistance position, facilitating easier and faster resistance adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional torque regulator adjustment is used, then resistance can be adjusted, but the adjustment process is difficult and time-consuming
Solution Approach 1:
The patent replaces the conventional mechanical torque regulator with a magnetic braking system that uses magnetic fields instead of mechanical friction. The magnetic brake assembly includes magnets that can be adjusted relative to the flywheel to create magnetic resistance, eliminating the need for mechanical torque regulation mechanisms and providing smoother, more precise resistance control.
Solution Approach 2:
The patent incorporates sensors that detect the position of the magnetic brake assembly and provide feedback to the control system. This feedback mechanism allows the system to automatically adjust resistance levels based on user input or pre-programmed settings, eliminating the need for manual adjustment and reducing the time required to change resistance levels.
2Adaptability or versatility
If manual torque adjustment is used, then resistance levels can be changed, but the operation is cumbersome for users during exercise
Solution Approach 1:
The patent implements a control system that allows users to adjust resistance levels through simple electronic controls or pre-programmed settings rather than manual mechanical adjustment. The system can automatically adjust resistance based on workout programs, user feedback, or sensor data, making the exercise equipment more adaptable and easier to use during exercise sessions.
Solution Approach 2:
The magnetic brake assembly is designed with movable components that allow dynamic adjustment of magnetic field strength. The magnets can be positioned at different distances from the flywheel to vary resistance levels, and this adjustment can be made quickly and smoothly during exercise, providing dynamic adaptability to changing workout requirements.
3Measurement precision
If conventional adjustment mechanisms are used, then resistance can be modified, but accuracy in setting appropriate resistance is difficult
Solution Approach 1:
The patent replaces imprecise mechanical adjustment mechanisms with a magnetic field-based system where resistance is controlled by the strength and position of magnetic fields. This allows for more precise and continuous adjustment of resistance levels, as magnetic field strength can be varied smoothly by changing the distance between magnets and the flywheel or by adjusting magnetic field intensity electronically.
Solution Approach 2:
The patent incorporates sensors and control systems that provide real-time feedback on the position of magnetic brake components and the resulting resistance levels. This feedback loop enables precise control and verification of resistance settings, ensuring accurate resistance levels are achieved and maintained without requiring complex manual calibration procedures.
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 system reduces user effort and shortens the time required for resistance adjustments, enhancing the convenience and effectiveness of exercise equipment operation.
Implementation Method 1
a magnetic brake assembly including a pair of magnets spaced from opposite sides of the flywheel and adapted to apply a magnetic force to the flywheel
Implementation Method 2
a friction brake assembly including a brake pad spaced from the flywheel and adapted to apply a friction force to the flywheel
Data Source
AI summary
Resistance mechanism and method for an exercise cycle includes an adjusting bracket having magnets mounted on its inner surface and spaced from a flywheel, an adjustment shaft having a threaded rod rotatably disposed through a tubular sleeve disposed on a frame and above the adjustment bracket, a threaded member mounted on the adjustment bracket and connected the threaded rod, and a linking assembly mounting the adjustment bracket to the frame, and including a first member, a first linking member, a first sensor, and a second sensor. The first sensor is disposed on the first member adjacent to the first end of the first linking member, a second sensor is disposed on the first linking member adjacent to the first sensor. A relative position of the first sensor and the second sensor is changed with respect to the corresponding movements of the adjusting bracket.