Wireless Power Transfer Antenna with Data-Power Priority Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless power transfer systems face inefficiencies when trying to transfer higher power levels, as they often degrade communication signals and require additional antennas or circuitry, leading to increased costs, interference, and complexity, while also being limited by legacy hardware's power level capabilities.
Innovation Solution
A wireless power transfer system that uses a transmitter and receiver system with a transmitter antenna, controller, and amplifier to dynamically adjust power levels and data rates, allowing for higher power transfer without degrading communication by encoding data into the wireless power signal and using buffering to optimize data transfer, effectively simulating a two-way communication channel over a single inductive connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If additional antennas or circuitry are used to transfer higher power levels, then power transfer capability is improved, but device complexity and cost increase
Solution Approach 1:
The patent combines power transfer and data communication functions into a single antenna and circuitry. The transmitter antenna transmits both power signals and encoded data signals simultaneously, eliminating the need for separate antennas for each function. This merging approach maintains high power transfer capability while reducing device complexity and cost.
Solution Approach 2:
The single antenna system is designed to perform multiple functions: transferring power at various power levels and communicating data simultaneously. The circuitry processes both power signals and data signals through the same antenna, making the system universal and eliminating the need for additional specialized components.
2Power
If additional antennas or circuitry are used to transfer higher power levels, then power transfer capability is improved, but cost increases
Solution Approach 1:
The patent combines power transfer and data communication functions into a single antenna and circuitry. The transmitter antenna transmits both power signals and encoded data signals simultaneously, eliminating the need for separate antennas for each function. This merging approach maintains high power transfer capability while reducing device complexity and cost.
3Power
If additional antennas or circuitry are used to transfer higher power levels, then power transfer capability is improved, but interference increases
Solution Approach 1:
The patent combines power transfer and data communication functions into a single antenna and circuitry. The transmitter antenna transmits both power signals and encoded data signals simultaneously, eliminating the need for separate antennas for each function. This merging approach maintains high power transfer capability while reducing device complexity and cost.
4Loss of information
If data is transmitted during wireless power transfer, then communication functionality is improved, but power transfer efficiency degrades
Solution Approach 1:
The patent combines power transfer and data communication functions into a single antenna and circuitry. The transmitter antenna transmits both power signals and encoded data signals simultaneously, eliminating the need for separate antennas for each function. This merging approach maintains high power transfer capability while reducing device complexity and cost.
Solution Approach 2:
The system dynamically adjusts modulation parameters and encoding schemes based on power transfer conditions. By changing data transmission parameters rather than using separate hardware, the system maintains power transfer efficiency while enabling communication functionality.
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 faster data communications and higher power transfer without degrading communication standards, reducing the need for additional hardware and minimizing interference, while maintaining compatibility with legacy systems.
Implementation Method 1
inductive wireless power transfer, which occurs when magnetic fields created by a transmitting element induce an electric field, and hence, an electric current, in a receiving element
Implementation Method 2
The amplifier includes at least one transistor that is configured to receive the driving signal at a gate of the at least one transistor and invert a direct power (DC) input power signal to generate the AC wireless signal at the operating frequency
Data Source
AI summary
A wireless power transmission system includes a transmitter antenna, transmission controller, and an amplifier. The transmitter controller is configured to provide a driving signal for driving the transmitter antenna based on, at least, an operating mode for transmission of AC wireless signals and determine the operating mode for transmission of the AC wireless signals, wherein the operating mode includes a power level for the wireless power signals and a data rate for the wireless data signals, the power level chosen from a series of available power levels and the data rate chosen from a series of available data rates, each of the series of available power levels corresponding to one of the series of available data rates, wherein corresponding pairs of available power levels and available data rates are inversely related.