Inductive Power Source for Multi-Device Charging
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Solution Overview
Problem
The existing solutions for charging portable or mobile devices are inconvenient due to the lack of a standardized connector, resulting in multiple incompatible chargers, bulkiness, and inefficiency, especially when users need to charge devices in different locations or environments without access to a power source.
Innovation Solution
A portable inductive power source system comprising a pad that creates an alternating magnetic field and a receiver that transfers this energy to devices without physical electrical connections, allowing for simultaneous charging of multiple devices with varying power requirements, and optionally includes self-powered operation through internal batteries or solar cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple different chargers are used for different mobile devices, then each device can be charged with its required specific voltage and power, but the number of chargers increases and portability decreases
Solution Approach 1:
The patent applies universality by designing a single portable power source that can charge multiple different mobile devices simultaneously. The power source includes a control circuit that detects the power requirements of connected devices and automatically adjusts output parameters, eliminating the need for multiple device-specific chargers. This multi-functional approach allows one charger to serve various devices with different voltage and power needs.
Solution Approach 2:
The patent combines multiple charging functions into a single integrated power source. The control circuit merges the ability to detect different device types, regulate multiple voltage outputs, and manage simultaneous charging of multiple devices into one unified system. This consolidation reduces the total number of chargers needed and decreases the weight users must carry.
2Adaptability or versatility
If multiple different chargers are used for different mobile devices, then each device can be charged with its required specific voltage and power, but the device complexity increases
Solution Approach 1:
The portable power source implements universality through a control circuit that automatically identifies and adapts to different mobile device types. The circuit detects device characteristics and adjusts charging parameters accordingly, providing compatibility with various devices without requiring users to manually select or switch between multiple chargers. This automated multi-functionality simplifies the user experience while maintaining broad device support.
Solution Approach 2:
The control circuit performs self-service by automatically detecting the connected device type and configuring appropriate charging parameters without user intervention. The system independently manages voltage regulation, current control, and charging termination based on real-time device feedback, eliminating the need for complex manual configuration or multiple specialized chargers.
3Reliability
If traditional power sources are required for charging, then stable power supply is ensured, but charging availability decreases in locations without power access
Solution Approach 1:
The portable power source applies preliminary action by storing energy in advance in its internal rechargeable battery. Users can charge the portable power source at home or any location with power access, then use it later at any location without requiring immediate access to traditional power sources. This pre-charging approach ensures both reliable power delivery and location independence.
Solution Approach 2:
The portable power source acts as an intermediary between traditional power sources and mobile devices. It receives and stores energy from AC power sources, then provides regulated DC power to various devices without requiring direct connection to wall outlets. This intermediary function enables charging in locations without traditional power access while maintaining stable and controlled power delivery.
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 system provides efficient, convenient, and versatile charging capabilities, reducing the need for multiple chargers and enabling charging in various locations, including those without access to traditional power sources, while minimizing bulk and weight.
Implementation Method 1
A portable inductive power source system comprising a pad that creates an alternating magnetic field and a receiver that transfers this energy to devices
Data Source
AI summary
A system and method for distributed charging of mobile devices. In accordance with an embodiment, the system comprises a secondary coil or receiver associated with a mobile device. When the mobile device is placed in proximity to a base unit having one or more primary coils, each primary coil having a generally planar shape so that when a current is passed through the primary coil a magnetic field is generated in a direction substantially perpendicular to the plane of the primary coil, the perpendicular magnetic field is used to inductively generate a current in the secondary coil or receiver associated with the mobile device, to charge or power the mobile device. In accordance with various embodiments the system can incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.