Magnetic Charging Stand With Retractable Plug Connectors
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Solution Overview
Problem
Conventional charging stands are often device-specific, requiring precise alignment and size compatibility, which can lead to surface damage on mobile devices due to protruding charging terminals.
Innovation Solution
A charging apparatus with a movable member and plug that uses magnetic forces and a tension member to adjust the plug's position, ensuring connectors remain below the plane when not in use, allowing for versatile device compatibility and preventing surface damage during alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the charging terminal projects outward from the charging stand base, then the charging connection can be established, but the mobile device surface may be damaged (scratched) during alignment
Solution Approach 1:
The charging terminal is designed to be movable rather than fixed. It can dynamically change its position between protruding (for connection) and retracted (for protection) states based on operational needs
Solution Approach 2:
The movable member is positioned in advance to prevent the charging terminal from protruding before alignment is confirmed, thereby preventing potential surface damage before it occurs
2Measurement precision
If conventional charging stands are manufactured for exclusive use with a particular mobile device, then precise alignment is achieved, but the device compatibility is limited
Solution Approach 1:
The charging stand is designed with universal compatibility to work with multiple device types and sizes. The movable member adjusts its position to accommodate different device dimensions while maintaining precise alignment for charging connection
Solution Approach 2:
The movable member enables dynamic adjustment of the charging terminal position to adapt to different device sizes and types, allowing one charging stand to serve multiple devices precisely
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 secure charging of multiple device sizes and types without damaging the device surface, as the plug connectors only extend when magnetically attracted, ensuring safe and versatile charging solutions.
Implementation Method 1
the movable member is in a first state when a magnetic force between a ferromagnetic material and the magnet is greater than a predetermined magnitude
Data Source
AI summary
An apparatus includes a main body having an opening and a movable member configured to hold a plug capable of transmitting an electrical current to an external device. At least one of the movable member and the plug include a magnet. The movable member and the plug are arranged such that at least one connector of the plug extends beyond a plane parallel to the opening when the movable member is in a first state, the first state corresponding to a magnetic force between a ferromagnetic material and the magnet above a predetermined magnitude. The movable member transitions from the first state to a second state when the magnetic force is below the predetermined magnitude. When the movable member is in the second state, the at least one connector of the plug remains below the plane parallel to the opening.