Adjustable Dumbbell Locking Detection Using Magnetic Field Sensing
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Solution Overview
Problem
Existing weight measurement devices for dumbbells are often unreliable in accurately detecting the loaded weight, requiring users to stop exercising for extended periods during weight loading or unloading, and there is a need for a reliable and simple system to monitor weight adjustment.
Innovation Solution
A system comprising a dumbbell with a hollow handle, locking members, magnets, sensors, and a logic control unit that detects the magnetic fields generated by the magnets to accurately determine the weight, allowing for real-time monitoring and communication of weight data to remote devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If weight measurement devices are used to detect the loaded weight, then weight detection capability is provided, but the reliability of weight detection is poor
Solution Approach 1:
The patent replaces traditional mechanical weight measurement devices with a magnetic detection system. Magnets are attached to weight plates and the handle, and a sensor detects the magnetic field to determine weight. This substitution of mechanical measurement with magnetic field detection resolves the reliability issue while maintaining measurement capability.
Solution Approach 2:
The patent introduces magnets as an intermediary element between the weight plates and the detection system. The magnets are attached to weight plates and the handle, creating a magnetic field that serves as a reliable intermediary for weight detection, improving both reliability and accuracy compared to direct mechanical measurement.
2Ease of operation
If users manually load or unload weights on dumbbells, then weight adjustment is possible, but exercise continuity is interrupted for extended periods
Solution Approach 1:
The patent implements a self-adjusting weight system where the dumbbell automatically detects and communicates weight changes through integrated magnets and sensors. The system self-monitors weight configuration without requiring user intervention for detection, reducing downtime while maintaining full weight adjustment capability through manual loading.
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 reliable and efficient monitoring of weight adjustments on dumbbells, reducing downtime during exercise and ensuring accurate weight detection without user intervention.
Implementation Method 1
at least one magnet placed on said first locking member and/or said second locking member, at least one sensor, capable of detecting the magnetic field generated by said at least one magnet
Data Source
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AI summary
The present invention relates to a system (S) for monitoring the adjustment of the weight of a dumbbell, that can be used by a user for carrying out a gymnastic exercise, comprising: a dumbbell (2), provided with a hollow handle (21), having an axial development along an axis (R), capable of rotating clockwise and counterclockwise around said axis (R), and provided with a first end (211), a second end (212) and comprising in its cavity a first locking member (210a) and a second locking member (210b), a first plurality of weights (P1), wherein each weight can be locked individually at said first end (211), by means of said first locking member (210a) or said second locking member (210b), when said handle (21) rotates in a way, and can be unlocked from said first end (211), when said handle (21) rotates in the opposite way, a second plurality of weights (P2), wherein each weight can be locked individually at said second end (212), by means of said first locking member (210a) or said second locking member (210b), when said handle (21) rotates in a way, and can be unlocked from said second end (212), when said handle (21) rotates in the opposite way, wherein said system (S) comprises at least one detecting device (5) comprising in turn at least one magnet (51) placed on said first locking member (210a) and/or said second locking member (210b), at least one sensor (52), capable of detecting the magnetic field generated by said at least one magnet (51), in that said at least one detecting device (5) is capable to send data corresponding to said detected magnetic field, and in that it comprises a logic control unit (U) capable of receiving said data sent by said at least one detecting device (5) and by associating to said data a weight of said first (P1) and second (P2) plurality of weights. The present invention also relates to the method of operation of this system.