Wireless Desktop IT Environment Resonant Power Transfer
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Solution Overview
Problem
Existing wireless power transfer systems face inefficiencies and limitations in delivering sufficient power without the need for wires, particularly in desktop environments where multiple devices require charging, leading to a clutter of wires and user inconvenience.
Innovation Solution
A wireless power transfer system using coupled magnetic resonance with antennas integrated into desktop components, such as a computer monitor base, to efficiently transmit power to devices like keyboards, mice, and phones, utilizing resonant coils and capacitive components to maintain consistent polarization and orthogonal power transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless power transfer is implemented using previous systems, then wire clutter is reduced, but power delivery efficiency and adequacy deteriorate
Solution Approach 1:
The patent applies resonant oscillation at specific frequencies (e.g., 13.56 MHz) to both transmitting and receiving antennas, creating a resonant coupling effect that dramatically improves wireless power transfer efficiency. This resonance principle allows energy to be transferred effectively over short distances while maintaining high efficiency, resolving the contradiction between wireless operation and energy loss.
Solution Approach 2:
The system adjusts operating parameters including frequency, quality factor (Q>1000), and impedance matching to optimize power transfer efficiency. By carefully controlling these parameters and using tunable circuits, the system achieves efficient power delivery wirelessly, simultaneously improving ease of operation while preventing energy loss.
2Ease of operation
If wireless power transfer is implemented using previous systems, then wire clutter is reduced, but delivered power amount deteriorates
Solution Approach 1:
Resonant coupling at optimized frequencies enables the system to deliver sufficient power wirelessly by creating a strong energy coupling between transmitter and receiver. The resonant effect amplifies the power transfer capability, allowing adequate power delivery without wires, thus resolving the contradiction between wireless operation and power delivery adequacy.
Solution Approach 2:
The system is designed to universally power multiple types of devices (phones, tablets, laptops, wireless peripherals) simultaneously through a single wireless power transfer mechanism. This multi-functionality allows the system to deliver adequate power to various devices with different power requirements, maintaining ease of operation while ensuring sufficient power delivery.
3Loss of energy
If resonant antennas with high Q factors are used, then power transfer efficiency is improved, but device complexity increases
Solution Approach 1:
The patent integrates both transmitting and receiving resonant antennas into a single desktop unit, combining multiple functions (power transmission, power reception, device charging) into one consolidated system. This merging reduces overall system complexity while maintaining high power transfer efficiency through the resonant coupling mechanism.
Solution Approach 2:
The system uses a resonant coupling field as an intermediary to transfer power efficiently between the transmitter and receiver. This intermediary resonant field enables high efficiency power transfer without requiring complex direct connections or multiple separate components, thus improving efficiency while managing 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
This solution enables efficient wireless power transfer to multiple devices on a desktop, reducing wire clutter and user maintenance by providing a centralized power source with high efficiency and consistent power delivery, suitable for devices operating within specific frequency ranges.
Implementation Method 1
A preferred technique for wireless energy transfer is based on coupled magnetic resonance using magnetic field antennas
Implementation Method 2
Two high-Q antennas are placed such that they react similarly to a loosely coupled transformer, with one antenna inducing power into the other
Implementation Method 3
An efficient power transfer may be carried out between two antennas by storing energy in the near field of the transmitting antenna
Data Source
AI summary
A wireless powered desktop system.