Wireless Power Feeding Device With Ground-Verified Switch Circuit
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless power charging devices often fail to properly charge power receiving devices due to inadequate pocket sizes and susceptibility to vibrations, which can cause movement and disruption during charging.
Innovation Solution
A wireless power feeding device featuring a removable attachment member with a socket and fastener system, including a band with a socket pin and locking tool, that securely fixes a power receiving device and only energizes the power feeding unit when a ground connection is established, preventing unintended power supply and ensuring stable charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flexible supporting member with pockets is used to hold the power receiving device, then the device can be mounted in various locations, but the power receiving device may move within the pocket due to vibrations
Solution Approach 1:
The attachment member is divided into separate functional components: a socket for electrical connection, a fastener for mechanical attachment, and a band with socket pin and locking tool. This segmentation allows each component to perform its specific function optimally while working together to secure the power receiving device firmly, preventing vibration-induced movement.
2Duration of action of stationary object
If the power supply is always connected to the power feeding electrode, then power can be supplied continuously, but unintended power supply may occur when the device is not properly attached
Solution Approach 1:
The system performs preliminary verification by detecting ground connection through the socket pin and fastener before enabling power supply. The switch circuit checks the electrical connection status in advance, and only after confirming proper attachment does it activate the power feeding electrode, preventing unintended power supply.
Solution Approach 2:
The switch circuit provides feedback control by continuously monitoring the ground connection status through the socket pin and fastener. This feedback mechanism ensures that power is supplied only when the power receiving device is properly attached, creating a closed-loop safety system that prevents unintended power supply while maintaining continuous operation when properly connected.
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 solution ensures proper charging of power receiving devices by preventing displacement due to vibrations and securely connecting the power supply only when the device is correctly attached, thereby enhancing charging efficiency and safety.
Implementation Method 1
a power feeding unit 50 that wirelessly feeds power to the power receiving device A
Data Source
AI summary
A wireless power feeding device includes an attachment member having a socket to be electrically connected to a power supply and a fastener to be electrically connected to a ground, and a band having a socket pin to be inserted to the socket and a locking tool to be locked to the fastener, the band being attached to the attachment member and fixing a power receiving device to which power is to be wirelessly fed to the attachment member, wherein the socket pin has a power feeding electrode to be electrically connected to the power supply within the socket, and a ground connection sensing electrode to be electrically connected to the ground via the locking tool and the fastener, and the attachment member has a switch circuit electrically connecting the power supply to the power feeding electrode only when the ground connection sensing electrode is electrically connected to the ground.