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A wireless energy transmission method and system

A wireless energy transmission and energy technology, applied in the direction of reducing energy consumption, advanced technology, climate sustainability, etc., can solve problems such as low transmission efficiency, and achieve the effect of simplifying base station configuration, improving energy transmission efficiency, and reducing antenna scale

Active Publication Date: 2022-05-20
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a wireless energy transmission method and system to solve the technical problem of low transmission efficiency existing in the existing wireless energy transmission method

Method used

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  • A wireless energy transmission method and system
  • A wireless energy transmission method and system
  • A wireless energy transmission method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A wireless energy transfer method, such as figure 1 shown, including:

[0029] Control the base station to transmit energy to the smart reflective surface through beamforming, and control the smart reflective surface to use the absorbed energy to adjust its phase and form multiple energy beams to reflect to the corresponding multiple users; wherein, the smart reflective surface divides The first stage of energy absorption and the second stage of energy reflection constitute a wireless energy transmission cycle; in the first stage of energy absorption, the intelligent reflective surface only absorbs energy, and in the second stage of energy reflection, the intelligent reflective surface receives the energy transmitted by the base station and transmits it completely Up to the user, the self-energy consumption of the smart reflective surface in this process is provided by the energy absorbed in the first stage of energy absorption.

[0030] Such as figure 2 The schemati...

Embodiment 2

[0045] A wireless energy transmission system includes: a base station, an intelligent reflective surface, and a controller for controlling the base station and the intelligent reflective surface to execute the wireless energy transmission method described in Embodiment 1 above. The relevant technical solutions are the same as those in Embodiment 1, and will not be repeated here.

[0046] Preferably, the controller is set in the base station.

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Abstract

The invention belongs to the field of long-distance wireless energy transmission and wireless charging, and specifically discloses a wireless energy transmission method and system. The method includes: controlling the base station to centrally transmit energy to the intelligent reflective surface through beam forming, and controlling the intelligent reflective surface to adopt the The absorbed energy adjusts its phase and forms multiple energy beams to reflect to corresponding multiple users; the intelligent reflective surface is divided into energy absorption stage and energy reflection stage; in the energy reflection stage, the intelligent reflective surface receives the energy transmitted by the base station and transmits it completely At most users, the self-energy consumption of the smart reflective surface in this process is provided by the energy absorbed in the previous energy absorption stage. The method of the present invention introduces an intelligent reflective surface, which can improve the effective distance of energy transmission and the energy transmission efficiency at the same distance, has strong practicability, and can be applied to wireless sensor networks, unmanned aerial vehicle communications, and air-space-ground integration and other communication fields. restricted equipment.

Description

technical field [0001] The invention belongs to the field of long-distance wireless energy transmission and wireless charging, and more specifically relates to a wireless energy transmission method and system. Background technique [0002] With the development of wireless communication technology, the future network will present the characteristics of wide coverage and giant connection. However, due to the limited battery capacity of energy-constrained devices such as wireless sensor nodes and drone mobile base stations, it is difficult to maintain long-term work requirements. The wired power supply method not only increases the cost but also increases the difficulty of network deployment. Wireless energy transmission is a new type of energy transmission, which provides a new solution to the bottleneck problem of short battery life of energy-constrained devices. Wireless energy transmission is considered to be a strong candidate for future green energy systems, one of the i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J50/00H02J50/20H02J50/50
CPCH02J50/00H02J50/50H02J50/001H02J50/20Y02D30/70
Inventor 程亚军彭薇江涛
Owner HUAZHONG UNIV OF SCI & TECH