Multi-Point Wireless Charger Beam Steering and Source Adaptation
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Solution Overview
Problem
Current wireless charging systems lack adaptability and efficiency, particularly in detecting and responding to different power sources and dynamically adjusting power delivery based on device location and charging needs, leading to suboptimal charging performance and increased energy waste.
Innovation Solution
A multi-point wireless power charger system that includes converters for various power sources, a controller to detect and activate compatible converters, and a multidirectional antenna array to direct and adjust wireless energy beams based on device location and charging requirements, enabling efficient and adaptive power delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a wireless charging system uses a single converter design, then device complexity is reduced, but adaptability to different power sources (battery vs. fuel cell) deteriorates
Solution Approach 1:
The patent implements a universal converter design that can handle multiple power source types (battery and fuel cell) through a single integrated unit. The controller detects the power source type and automatically configures the converter to work optimally with the detected source, eliminating the need for multiple specialized converters while maintaining full compatibility.
Solution Approach 2:
The converter system dynamically adapts its operating parameters based on the detected power source type. The controller modifies conversion ratios, switching frequencies, and control algorithms in real-time to match the characteristics of either a battery or fuel cell input, allowing a single converter design to serve multiple functions effectively.
2Area of stationary object
If wireless charging transmits power in all directions simultaneously, then coverage area is maximized, but energy waste increases
Solution Approach 1:
The patent employs directional beamforming technology that concentrates wireless power transmission energy into focused beams directed precisely at the target device. Instead of omnidirectional transmission, the system adjusts antenna phase and amplitude to create localized high-energy zones only where devices are detected, maintaining full coverage capability while eliminating energy waste in empty spaces.
Solution Approach 2:
The system continuously monitors device location and charging status, using this feedback to dynamically adjust beam direction and intensity. When a device moves or is removed, the system reallocates power transmission resources to new targets or reduces transmission in depleted areas, ensuring energy is always directed where needed without unnecessary omnidirectional broadcasting.
3Reliability
If the system continuously tracks and redirects power beams to moving devices, then charging reliability is maintained, but system complexity increases
Solution Approach 1:
The patent implements a self-tracking wireless charging system that automatically detects device movement and redirects power beams without manual intervention. The system uses embedded sensors and controllers to autonomously monitor device position, calculate optimal beam angles, and adjust transmission in real-time, maintaining reliable charging connection while the device moves freely within the coverage area.
Solution Approach 2:
The system performs preliminary detection of device presence and position before initiating full power transmission. By pre-positioning power beams based on predicted device locations and movement patterns, the system reduces the complexity of continuous real-time tracking while maintaining charging reliability, as beams are already oriented correctly when devices enter the charging zone.
4Adaptability or versatility
If the system detects and responds to different power source types, then adaptability improves, but device complexity increases
Solution Approach 1:
The patent implements a detection system that identifies power source types using a limited set of key electrical characteristics (voltage, current, impedance) rather than analyzing all possible parameters. The controller applies simplified decision logic that checks only the most distinguishing features of battery versus fuel cell inputs, achieving reliable detection and adaptation while keeping the controller design relatively simple and avoiding excessive complexity.
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 efficient, adaptive, and energy-efficient wireless charging by dynamically directing power beams to devices, reducing energy waste and eliminating the need for physical charging cords, while supporting various power sources and ensuring reliable charging across different locations.
Implementation Method 1
a multipoint wireless power charger that converts power from the electrical energy source and transmits it wirelessly to the electronic device
Data Source
AI summary
Certain exemplary embodiments can provide a system, which comprises a multi point power charger coupleable to different types of an electrical energy source such as a battery or a fuel cell. The multipoint power charge can detect the type of connected energy source and activate one of a plurality of converters, wherein the activated converter is compatible with the connected energy source. The multi point power charger is constructed to emit a plurality of directional beams directable toward a determined direction of an electronic device that is chargeable via the multi point power charger. Also, a portable wireless charging device with at least two types of interchangeable power supplies.