Wearable Coupling Member Assembly for Stable Magnetic Attachment
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Solution Overview
Problem
Existing wearable electronic devices face challenges in providing a secure and convenient coupling mechanism between the device housing and the coupling member, particularly in maintaining the coupling force over time and facilitating easy attachment and detachment.
Innovation Solution
The proposed solution involves a coupling member assembly that includes a coupling member with a groove region and an end region, a magnet case surrounding a second magnet, and a first magnet connected to the housing. This configuration utilizes magnetic attraction and frictional forces to secure the coupling member to the housing, with the magnet case reducing paramagnetization and maintaining the coupling force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a magnetic coupling mechanism is used to secure the coupling member to the housing, then the attachment and detachment become easy, but the coupling force may decrease over time due to paramagnetization
Solution Approach 1:
A magnet case is introduced as an intermediary component between the second magnet and the external environment. The magnet case reduces paramagnetization of the second magnet, thereby maintaining stable coupling force over time while preserving the ease of magnetic attachment and detachment
Solution Approach 2:
The magnet case modifies the magnetic properties of the second magnet by reducing paramagnetization. This parameter change ensures that the coupling force remains stable and does not decrease over time, while still allowing easy attachment and detachment through magnetic attraction
2Volume of moving object
If the device is miniaturized to improve portability, then the device size decreases, but the coupling force between housing and coupling member becomes weaker
Solution Approach 1:
The magnet case changes the magnetic parameters of the second magnet by reducing paramagnetization, which maintains stronger magnetic coupling force despite the miniaturized device size. This allows the device to remain portable while preserving adequate coupling strength
3Ease of manufacture
If the coupling member is designed with simple structure for ease of manufacture, then manufacturing cost decreases, but the coupling force and security are compromised
Solution Approach 1:
The coupling member is segmented into distinct functional components: a groove region for structural connection and an end region for magnetic coupling. The magnet case is further segmented with a protrusion for frictional engagement and a recess for magnet containment. This segmentation allows each component to be manufactured independently with simple processes while achieving strong overall coupling through the combination of magnetic attraction and frictional forces
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
This solution enhances user convenience by allowing easy attachment and detachment of the coupling member, while maintaining a strong and consistent coupling force between the housing and the coupling member, even in miniaturized electronic devices.
Implementation Method 1
a second magnet connected to the coupling member and attached to the first magnet
Implementation Method 2
a magnet case connected to the coupling member, surrounding at least a portion of the second magnet
Implementation Method 3
the magnet case including a protrusion configured to contact the link bar
Data Source
AI summary
A wearable electronic device is provided. The wearable electronic device includes a housing including a link bar, a coupling member connected to the housing, a first magnet connected to the link bar, a second magnet connected to the coupling member and attached to the first magnet, and a magnet case connected to the coupling member, surrounding at least a portion of the second magnet, and including a protrusion configured to contact the link bar.