Wireless Power Transmitter RF Energy Pocket Control
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Solution Overview
Problem
Current wireless power transmission methods are inefficient and cumbersome, requiring direct alignment of devices with transmitters, suffering from signal attenuation with distance, and often necessitating constant monitoring to avoid system breakdowns due to hardware or software failures.
Innovation Solution
A system that uses a transmitter to create three-dimensional pockets of energy using RF signal waves, with receivers capable of converting these signals into electricity, and a wireless power network manager for monitoring and fault detection, allowing for self-analysis and recommendations for enhancement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If electromagnetic signals are transmitted over large distances, then the coverage area is improved, but the signal power is attenuated proportionally to the square of the distance
Solution Approach 1:
The system divides the transmission space into multiple zones with different power levels. A first power level is used for devices in a near zone (first distance range), and a second, lower power level is used for devices in a far zone (second distance range). This segmentation allows the system to cover large areas while avoiding excessive power transmission by adapting power levels to specific distance zones.
Solution Approach 2:
The transmitter dynamically adjusts its output power based on the distance to the receiver and the selected communication range. The system transitions between different power levels (first power level for near devices, second power level for far devices) depending on the operational conditions, enabling efficient power utilization across varying transmission distances.
2Loss of energy
If transmission power is boosted to increase received signal power, then the received power is improved, but energy waste and interference with other electronic devices increases
Solution Approach 1:
The system applies partial action by transmitting at different power levels depending on the distance to the receiver. Instead of always using maximum power, the transmitter uses a first power level for near devices and reduces to a second power level for far devices, ensuring sufficient received power while avoiding excessive transmission that would cause interference and energy waste.
Solution Approach 2:
The transmitter changes the power parameter based on the distance to the receiver and the desired communication range. By adjusting the transmission power parameter (first power level vs. second power level), the system optimizes the received signal strength while minimizing energy waste and interference with other electronic devices in the environment.
3Loss of energy
If directional power transmission is used to enhance efficiency, then the power transmission efficiency is improved, but the system complexity increases due to location tracking requirements
Solution Approach 1:
The wireless power transmission system is designed to support multiple communication ranges (first range for near devices, second range for far devices) using the same infrastructure. The transmitter can serve different types of devices at different distances without requiring separate systems, achieving directional efficiency while maintaining system simplicity through multi-functionality.
4Reliability
If constant monitoring is implemented to detect hardware or software failures, then the system reliability is improved, but the device complexity increases
Solution Approach 1:
The system implements feedback mechanisms where the transmitter and receiver continuously monitor transmission parameters, power levels, and operational status. This feedback enables automatic detection of hardware or software failures and allows the system to adapt by switching between different power levels or communication ranges, improving reliability while keeping the monitoring system integrated and manageable.
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 efficient wireless charging of multiple devices without wires, improves power transmission efficiency by directing energy pockets to specific locations, and provides a self-monitoring system to prevent network failures.
Implementation Method 1
transmitter to create three-dimensional pockets of energy using RF signal waves
Implementation Method 2
receivers capable of converting these signals into electricity
Data Source
AI summary
Wireless power transmitters and methods of management thereof are disclosed herein. An example wireless power transmitter includes an antenna array and a communication radio configured to: establish a communication connection with a respective wireless power receiver; and receive device data from the respective wireless power receiver, the device data used to determine a location of the respective wireless power receiver. The example wireless power transmitter also includes a controller in communication with the antenna array and the communication radio, the controller configured to: determine whether the respective wireless power receiver is authorized to receive power from the wireless power transmitter; if so, determine a particular time at which RF power waves should be transmitted to the respective receiver, the particular time based at least in part on a charging schedule for the transmitter; and instruct the antenna array to transmit radio frequency (RF) power waves at the particular time.