Wireless Power Alignment for Mobile Device Charging

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Solution Overview

Problem

Current power supply methods for devices, such as wired connections and battery-based systems, restrict mobility and location independence due to the need for fixed connections, battery replacement, and limited charging options, which can be costly and inconvenient.

Innovation Solution

A wireless energy supply device that connects to an energy network and uses position detection and alignment units to transmit electrical energy to devices, allowing for flexible placement and autonomous operation, with features like energy storage, multiple energy receivers, and adaptable energy transmission based on device requirements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If wired power supply is used, then reliable energy transmission is achieved, but mobility and location independence are restricted

Engineering Contradiction:
Improveenergy transmission reliabilityVSAvoidmobility and location independence
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the mechanical wired connection system with a wireless electromagnetic energy transmission system. The mechanical plug-and-socket connection is substituted by electromagnetic fields that can transmit energy through air space, eliminating the need for physical contact and enabling mobile devices to receive power without being tethered to power outlets.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces electromagnetic fields as an intermediary medium to transfer energy between the power source and the device. Instead of direct electrical contact through cables, the electromagnetic field acts as a mediator that carries energy across the air interface, enabling wireless power transfer while maintaining reliable energy transmission.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If battery power is used, then mobility is improved, but continuous operation is limited by battery capacity and replacement needs

Engineering Contradiction:
ImprovemobilityVSAvoidcontinuous operation duration
Core Design Contradiction:
Ease of operationVSDuration of action of moving object

Solution Approach 1:

The patent enables continuous operation by providing uninterrupted wireless power supply. Instead of relying on finite battery capacity that requires periodic replacement or recharging, the system continuously transmits electromagnetic energy to the device, allowing it to operate indefinitely as long as it remains within the power transmission range and the power source is active.

Inventive Principle:
Principle #20Continuity of useful action

3Ease of operation

If wireless charging systems are used, then mobility during charging is improved, but precise positioning requirements reduce flexibility

Engineering Contradiction:
Improvecharging mobilityVSAvoidpositioning precision
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent employs dynamic tracking and adjustment mechanisms that allow the system to adapt to changing positions of mobile devices. The wireless power transmission system dynamically adjusts beam direction, focus, and intensity to maintain effective power transfer even as devices move, eliminating the need for fixed positioning while ensuring reliable charging.

Inventive Principle:
Principle #15Dynamics

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

Enhances mobility and location independence of devices by enabling wireless, flexible, and efficient energy transfer, reducing the need for physical connections and battery replacement, while improving safety and reducing material usage and potential errors.

Implementation Method 1

the energy supply device can be connected to an energy network and/or is itself supplied, in particular wirelessly, by a spaced-apart energy supply device

Methodology Applied
Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Implementation Method 2

at least one position detection device for detecting a spatial or geometric position of the at least one device

Methodology Applied
Scientific EffectPosition detection: Radar

Data Source

PatentEP3625872B1Power distribution apparatus
Publication Date: 2024.11.06 ENERSYST UG
  • EP3625872B1 patent drawingFigure 1
  • EP3625872B1 patent drawingFigure 2~3
  • EP3625872B1 patent drawingFigure 4

AI summary

The invention relates to a power supply apparatus for supplying at least one device spaced apart from said power supply with electrical power, the power supply apparatus being connectable to a power grid, the power supply apparatus comprising at least one position-sensing apparatus for sensing a geometric position of the at least one device. The power supply apparatus can be directed at the at least one device in such a way that power can be wirelessly transmitted by the power supply apparatus to the device and/or the device can be supplied with electrical power by means of the power supply device (2).