Dumbbell Weight Detection via Physical Phenomena
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Solution Overview
Problem
Current weight detection devices for dumbbells are often unreliable in measuring the exact weight, necessitating a more reliable and easy-to-manufacture system for monitoring weight adjustments during gymnastic exercises.
Innovation Solution
A monitoring system comprising a supporting frame, a rotating handle with selection members, a detection device that generates and detects physical phenomena such as sound waves or mechanical vibrations, and a logic control unit for processing signals to determine the weight selected or released, allowing for accurate weight measurement and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If weight detection devices are used to measure the weight loaded on the dumbbell, then weight measurement capability is provided, but the measurement reliability is poor
Solution Approach 1:
The patent replaces traditional mechanical weight detection devices with a detection system based on physical phenomenon generation and detection. The selection member generates physical phenomena (such as optical, acoustic, or electromagnetic signals) when moving between selected and unselected positions, and a detection device detects these phenomena to determine weight status. This substitution improves both measurement accuracy and reliability by using more precise physical sensing methods.
Solution Approach 2:
The patent introduces an intermediary detection system between the mechanical weight selection mechanism and the final weight indication. The detection device acts as an intermediary that translates mechanical movements of the selection member into detectable physical phenomena, providing a more reliable measurement bridge that improves both accuracy and trustworthiness of the weight measurement.
2Productivity
If compact weight loading systems are used to reduce loading and unloading times, then productivity is improved, but the complexity of the weight selection mechanism increases
Solution Approach 1:
The patent employs a dynamic selection member that can move between different positions (selected and unselected) to indicate weight status. This dynamic element allows the system to quickly transition between weight configurations without requiring complex mechanical locking or release mechanisms, thereby improving loading speed while managing complexity through motion-based indication.
Solution Approach 2:
The patent replaces complex mechanical weight indication mechanisms with a detection system based on physical phenomena. Instead of using intricate mechanical linkages to display weight status, the system uses a selection member that generates detectable physical signals, simplifying the overall mechanism while maintaining fast weight selection capability.
3Reliability
If a detection device based on physical phenomena is used, then measurement reliability is improved, but the device complexity increases
Solution Approach 1:
The patent extracts the detection function from the overall weight selection system, making it a separate, modular component. The detection device is designed as an independent element that only needs to detect physical phenomena generated by the selection member, rather than being integrated into the complex mechanical weight selection mechanism. This extraction reduces overall system complexity while maintaining high reliability.
Solution Approach 2:
The detection device is designed with multi-functionality, capable of detecting various physical phenomena (optical, acoustic, electromagnetic) generated by the selection member. This universal detection capability allows a single device to handle multiple detection scenarios, reducing the need for multiple specialized components and thereby managing complexity while ensuring reliable detection across different operating conditions.
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 provides reliable and accurate weight detection and measurement, enabling users to easily monitor weight adjustments during exercises, reducing downtime and improving workout efficiency.
Implementation Method 1
A monitoring system comprising a supporting frame, a rotating handle with selection members, a detection device that generates and detects physical phenomena such as sound waves or mechanical vibrations
Implementation Method 2
A monitoring system comprising a supporting frame, a rotating handle with selection members, a detection device that generates and detects physical phenomena such as sound waves or mechanical vibrations
Data Source
AI summary
A monitoring system is for the regulation of the weight of a dumbbell, employable by a user for the execution of a gymnastic exercise, having a supporting frame, a dumbbell, placed on the supporting frame, equipped with a handle, having an axial development along an axis, capable of rotating around the axis, clockwise and counterclockwise, and equipped with a first end and a second end, a first plurality of weights, placed on the supporting frame, in which each weight is individually coupable to the first end by a first selection member, when the handle rotates one way, and detachable from the first end, when the handle rotates the opposite way, a second plurality of weights, placed on the supporting frame.