Wireless Energy Transmitter with Direction-Finding and Phased Array Beam Steering
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Solution Overview
Problem
The existing wireless energy supply systems face challenges in achieving accurate positioning and tracking of energy receiving apparatuses during transmission, with low energy conversion efficiency and significant radiative loss of microwave signals in free space, leading to overall low transmission efficiency.
Innovation Solution
A wireless energy transmitting apparatus equipped with a direction-finding and location device, energy generation device capable of converting energy into high-frequency electromagnetic waves, and a processor to control the transmission based on the receiving apparatus's position, utilizing phased array antenna technology and biological detection to ensure precise alignment and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If wireless energy supply uses high-frequency electromagnetic waves, then energy transmission capability is improved, but radiative loss in free space increases
Solution Approach 1:
The transmitting apparatus segments the high-frequency electromagnetic wave transmission into multiple directed beams, each targeted at a specific receiving apparatus position. This segmentation allows concentrated energy delivery along precise paths rather than omnidirectional radiation, reducing overall radiative loss while maintaining high transmission capability.
Solution Approach 2:
The system implements local quality by directing energy transmission selectively toward specific spatial locations where receiving apparatus are positioned. The beam forming creates localized high-energy zones at receiver positions while minimizing energy dispersion in other directions, thus reducing radiative loss.
2Measurement precision
If direction-finding and location is implemented, then transmission alignment precision is improved, but device complexity increases
Solution Approach 1:
The system introduces beacon signals as an intermediary mechanism for position determination. The receiving apparatus transmits beacon signals that the transmitting apparatus uses to calculate position and orientation information. This intermediary approach enables accurate positioning without requiring complex direct measurement systems at the transmitting end.
Solution Approach 2:
The system implements feedback through beacon signal exchange, where the transmitting apparatus receives position information from the receiver and adjusts beam directions accordingly. This feedback loop enables continuous alignment optimization while using relatively simple directional finding and location devices.
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 improves the energy conversion efficiency and overall transmission efficiency by accurately aligning high-frequency electromagnetic waves with the receiving apparatus, reducing radiative loss, and ensuring safety by detecting and adjusting for living creatures in the transmission range.
Implementation Method 1
an energy generation device, configured to generate energy, convert the energy into high-frequency electromagnetic waves having a frequency higher than a predetermined frequency threshold, and transmit the high-frequency electromagnetic waves to the energy receiving apparatus
Implementation Method 2
the plurality of antenna units being two-dimensional phased array antenna arrays with reconfigurable beam direction
Implementation Method 3
a signal conversion device comprising a rectifier circuit array and configured to convert the received high-frequency electromagnetic waves into a DC power supply
Data Source
AI summary
A wireless energy transmitting apparatus includes: a direction-finding and location device configured to determine a position of an energy receiving apparatus based on beacon information of the energy receiving apparatus; an energy generation device configured to generate energy, convert the energy into high-frequency electromagnetic waves having a frequency higher than a predetermined frequency threshold, and transmit the high-frequency electromagnetic waves to the energy receiving apparatus; and a processor configured to control the energy generation device to transmit the high-frequency electromagnetic waves to the energy receiving apparatus based on the position of the energy receiving apparatus. The position of the energy receiving end is determined based on the direction-finding and location device, and the energy generation device is controlled to convert the energy into high-frequency electromagnetic waves having a frequency higher than a predetermined frequency and transmit the same to the energy receiving end.