Networked Wireless Charging With Bidirectional Power Feedback

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Solution Overview

Problem

There is a need for an efficient wireless powering solution to power and/or recharge devices where cable-based charging is not feasible, particularly for mobile devices and IoT devices due to battery depletion and replacement issues.

Innovation Solution

A wireless charging system comprising power chargers configured to transfer wireless energy to power receivers, which convert the energy into electrical energy and direct it to electronic devices, with bidirectional electronic communication capabilities between chargers and receivers, enabling efficient power transmission and management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If wireless energy transfer is implemented to eliminate cable-based charging, then convenience and ease of operation are improved, but energy transfer efficiency and reliability may deteriorate due to losses in wireless transmission

Engineering Contradiction:
Improveconvenience of chargingVSAvoidenergy transfer efficiency
Core Design Contradiction:
Ease of operationVSLoss of energy

Solution Approach 1:

The system implements bidirectional electronic communication between power chargers and power receivers, enabling real-time feedback on energy transfer status, device power needs, and charging progress. This feedback mechanism allows the system to optimize wireless energy transfer parameters dynamically, improving energy efficiency while maintaining the convenience of wireless charging.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system utilizes adjustable parameters in wireless energy transfer including power level modifications, frequency adjustments, and transmission intensity control. By dynamically changing these parameters based on device requirements and transfer efficiency metrics, the system optimizes the balance between convenience and energy efficiency.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If bidirectional communication is added between power chargers and receivers, then power transmission management and optimization are improved, but device complexity increases

Engineering Contradiction:
Improvepower transmission efficiencyVSAvoidcommunication system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The bidirectional communication system serves multiple functions simultaneously: it manages power transmission coordination, monitors energy transfer efficiency, provides device identification and authentication, and enables system-wide power optimization. By consolidating these functions into a unified communication protocol, the system achieves high productivity without proportionally increasing complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system introduces a network intermediary that coordinates communication between multiple power chargers and receivers. This intermediary manages the bidirectional communication traffic, handles power allocation decisions, and optimizes energy distribution across the network, thereby improving overall power transmission efficiency while keeping individual device complexity manageable.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If multiple power chargers are networked together for coordinated power delivery, then power distribution flexibility and adaptability are improved, but system complexity and communication requirements increase

Engineering Contradiction:
Improvepower distribution flexibilityVSAvoidnetworked system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The networked wireless charging system is segmented into independent modular power charger units, each capable of autonomous operation. This segmentation allows flexible power distribution where individual units can serve single devices or coordinate with other units for multi-device charging, providing adaptability without requiring complex centralized control for every interaction.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple power charger units are merged into a coordinated network that functions as a unified system. Through bidirectional communication, these separate units can combine their power delivery capabilities to serve high-power devices or distribute power across multiple devices simultaneously, achieving versatility while managing complexity through standardized communication protocols.

Inventive Principle:
Principle #5Merging (Combining)

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 system provides a reliable and efficient means of powering devices wirelessly, overcoming the limitations of cable-based charging and enabling continuous operation of mobile and IoT devices by utilizing bidirectional communication for optimized energy transfer.

Implementation Method 1

one or more power chargers configured to transfer wireless energy from the wireless charging system to one or more power receivers

Methodology Applied
Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Implementation Method 2

each power receiver configured to receive the wireless energy, convert the wireless energy into electrical energy

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS12074452B2Networked wireless charging system
Publication Date: 2024.08.27 WIGL INC

AI summary

A wireless charging system having one or more power chargers configured to transfer wireless energy from the wireless charging system to one or more power receivers wherein each power receiver configured to receive the wireless energy, convert the wireless energy into electrical energy; and direct at least a portion of the electrical energy directly or indirectly to an electronic device; wherein at least one power charger is configured for bidirectional electronic communication with at least one power receiver; and/or wherein two or more of the power chargers are configured for bidirectional electronic communication with each other.