Portable Wireless Power Transceiver Coil Selection

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Solution Overview

Problem

Conventional wireless charging pads require devices to remain stationary and are obsolete as new charging standards emerge, limiting flexibility and convenience in charging portable devices.

Innovation Solution

A portable device capable of wireless power transfer, equipped with a power storage module and a power transceiver module that includes a coil for both receiving and transmitting power, allowing it to charge itself and other devices wirelessly, and switch between power transfer standards, enabling versatile and adaptive power management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional wireless charging pads are used, then wireless charging capability is provided, but the devices must remain stationary at the charging pad location

Engineering Contradiction:

Improvecharging convenienceVSAvoiddevice mobility

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The patent combines both wireless power receiving and transmitting capabilities into a single portable device. The device includes a power receiving module with a first coil for receiving wireless power and a power transmitting module with a second coil for transmitting wireless power to other devices, eliminating the need for separate charging pads and outlets.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The portable device serves multiple functions: it can receive wireless power from external sources, store power in its power storage module, and transmit power to other devices. This multi-functionality allows the device to act as both a chargee and a charger, providing versatility in power management.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If conventional wireless charging pads are used, then charging capability is provided, but the pads become obsolete as new charging standards emerge

Engineering Contradiction:

Improvecharging capabilityVSAvoidcompatibility with charging standards

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The device employs multiple power receiving coils and power transmitting coils that can be selectively activated based on the required charging standard. The system dynamically switches between different coils to support various wireless charging standards, ensuring long-term adaptability as standards evolve.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The device can change its operational parameters by selecting different coils with varying characteristics to match different charging standards. This allows the device to adapt to new standards without hardware obsolescence.

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If multiple coils are provided for different power transfer standards, then adaptability to different standards is improved, but device complexity increases

Engineering Contradiction:

Improvecompatibility with power transfer standardsVSAvoidcoil module structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device segments its wireless power capability into multiple independent coils, with at least one power receiving coil and one power transmitting coil. Each coil can be independently controlled and selected based on the required standard, simplifying the management of complexity through modular architecture.

Inventive Principle:

Principle #1Segmentation

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 devices to charge and power each other on the go, regardless of location, and adapt to different power transfer standards, enhancing convenience and compatibility.

Implementation Method 1

a coil module configured to wirelessly transfer power from a first external device to a second external device

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

a sensor module configured to sense an amount of power wirelessly transferred by the coil module

Methodology Applied

Scientific EffectElectromagnetic sensing: Electromagnetic Induction

Data Source

PatentUS9479012B2Portable device capable of sensing an amount of wirelessly transferred power and optimizing coil selection

Publication Date: 2016.10.25 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LTD

AI summary

A mobile device is disclosed that is not only capable of wirelessly receiving power from a source device, but also of wirelessly transmitting power to a destination device. The device includes one or more power modules and corresponding coils for transmitting/receiving signals from which power can be loaded/extracted. In addition, the device can receiving initiation information identifying power transfer standards supported by each of the source and destination devices, and can control its one or more power modules to operate in accordance with the standards identified in the initiation information.