Inductive Charging System with Automated Credential Management
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Solution Overview
Problem
There is a need for systems that conveniently provide power or charging services to mobile devices in public spaces, allowing for extended charging periods and enabling tracking and payment management for mobile devices.
Innovation Solution
An inductive charging system with power access points (PAPs) and a power controller, utilizing wireless communication components to manage and control charging, including a server with a database for credential management and payment processing, allowing devices to be charged automatically with minimal user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual payment and intervention systems are used for charging, then users can control charging processes, but user convenience deteriorates and operation complexity increases
Solution Approach 1:
The charging system automatically detects devices, authenticates users, manages charging sessions, and processes payments without manual intervention. The system serves itself by handling all charging operations autonomously, eliminating the need for users to manually initiate or monitor charging processes.
Solution Approach 2:
The patent replaces manual mechanical operations (physical plug insertion, cash payment, manual monitoring) with automated electronic systems including wireless communication, digital authentication, electronic payment processing, and remote server management.
2Extent of automation
If automated charging systems are implemented, then user convenience improves and operation simplicity increases, but system complexity and infrastructure requirements worsen
Solution Approach 1:
A remote server acts as an intermediary between power access points and user devices, handling complex tasks such as credential verification, charging session management, payment processing, and system coordination. This centralizes complexity in a dedicated component rather than distributing it across all charging points.
Solution Approach 2:
The system uses universal wireless communication protocols and standardized authentication mechanisms that enable the same infrastructure to serve multiple devices and users simultaneously. The power access points can charge various device types using the same inductive coupling technology.
3Ease of operation
If inductive coupling is used for power transfer, then charging convenience improves and physical connection requirements are reduced, but power transfer efficiency and energy loss worsen
Solution Approach 1:
The system continuously monitors charging parameters including power transfer efficiency, device battery status, and coupling quality. Based on this feedback, the control system dynamically adjusts transmission power levels and provides real-time status updates to users, optimizing energy transfer while maintaining convenience.
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 convenient and automated charging of mobile devices in public spaces, providing a revenue stream for location operators and improving user experience by eliminating the need for manual payment and intervention, while allowing for efficient management of charging services.
Implementation Method 1
a primary inductor connectable to a power supply, the primary inductor operable to inductively couple with a secondary inductor associated with the electrical device
Data Source
AI summary
Wireless power transfer between power transmitters and power receivers may be established by a digital ping phase during which the wireless power transmitter applies a power signal and waits for a valid response message from the power receiver. The response message may include an identification code and a checksum byte used by the power transmitter to validate the identification code. When a valid response is received, the power transmitter transitions to a power transfer phase.