Vibration Training Device Motor Torque and Vibration Control
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Solution Overview
Problem
Conventional vibration training devices are large and unable to effectively enhance both muscle power and nerve reaction, as they primarily focus on muscle exercise without adequately stimulating nerve sensitivity.
Innovation Solution
A compact training device incorporating a motor with a torque output unit and speed reduction mechanism, coupled with a vibration control unit, sensors, and a control panel to generate resistance and vibration forces, allowing for simultaneous muscle and nerve training through controlled motor operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional vibration training devices are used, then muscle exercise capability is improved, but device size becomes large and portability deteriorates
Solution Approach 1:
The training device is divided into independent functional modules: a motor unit with speed reduction mechanism, a separate vibration generation unit, and a cable-pulley system. This segmentation allows each component to be optimized independently and the overall device to be more compact while maintaining muscle exercise effectiveness.
Solution Approach 2:
The speed reduction unit is nested within the motor assembly, with the first speed reduction wheel connected to the motor output shaft and the second speed reduction wheel integrated into the same housing. The vibration generation unit is positioned adjacent to and integrated with the motor assembly, creating a compact nested structure that reduces overall device volume while preserving training capability.
2Strength
If conventional training devices focus on muscle exercise, then muscle force is improved, but nerve reaction stimulation is insufficient
Solution Approach 1:
The device merges two training functions into one system: the motor provides resistant force for muscle strength training while simultaneously generating vibration through the vibration generation unit. The cable transmits both the resistant force and vibration to the user's hand, enabling concurrent muscle force and nerve reaction training through a single integrated operation.
Solution Approach 2:
The vibration generation unit converts motor rotation into mechanical vibration that is transmitted through the cable to the user's hand. This mechanical vibration stimulates nerve sensitivity and reaction speed while the resistant force component maintains muscle force development, addressing both training objectives simultaneously.
3Speed
If motor speed is increased for faster training, then training efficiency is improved, but output torque decreases affecting resistance quality
Solution Approach 1:
The speed reduction unit dynamically adjusts the motor output characteristics through its two-stage reduction mechanism. The first speed reduction wheel reduces speed and increases torque, while the second speed reduction wheel further reduces speed and maintains high torque output. This dynamic speed-torque conversion allows the system to operate at high motor speeds while delivering adequate resistant force to the user.
Solution Approach 2:
The speed reduction unit acts as an intermediary between the motor and the cable-pulley system. It mediates the contradiction between motor speed and output torque by converting high-speed low-torque motor output into lower-speed high-torque cable tension, enabling both fast motor operation and effective resistant force delivery.
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 device effectively enhances muscle power and nerve reaction by providing adjustable resistance and vibration, enabling full-body engagement and efficient training cycles, making it suitable for home use.
Implementation Method 1
The vibration control unit senses status of the motor according to input commands and the strength sensor so as to control the motor simultaneously to generate vibration and resistant force on user's muscles by rotating to-and-fro repetitively.
Implementation Method 2
A transmission belt is connected between the first reduction wheel and the second reduction wheel for adapting to transfer the motor from a lower output torque with higher revolutions to a higher output torque with lower revolutions.
Data Source
AI summary
A training device includes a motor including a sensor member connected therewith which is electrically connected to a vibration control unit which controls the motor via commands from a user. A torque output unit is connected with an output shaft of the motor and transfers a resistant force to users and to transfers the force from the user to the motor. The torque output unit includes a speed reduction unit and a tension unit so as to transfer proper force between the motor and the users. The vibration control unit sensing status of the motor according to input commands so as to control the motor simultaneously to generate vibration and resistant force on user's muscles by rotating to-and-fro repetitively.