High-frequency time-division multi-target microwave wireless energy transmission system

Abstract

The invention discloses a high-frequency time-division multi-target microwave wireless energy transmission system, relates to a microwave wireless energy transmission and phased array multi-target directional radiation technology, and belongs to the technical field of power generation, power transformation or power distribution. According to the method, a multi-target microwave wireless energy transmission system which is simple and easy to use and transmits energy to multiple targets at the same time is provided based on a phased array directional radiation technology, and a high-frequency control signal is used for forcibly switching beam angles on the basis of realizing respective directional radiation on a single target; in addition, the invention discloses a power transmitting and distributing algorithm based on the hardware transmitting scheme, required power is accurately provided for each energy receiving target, and each energy receiving target simultaneously receives stable direct-current voltage with the required power in a time domain by using a specially-designed filter. The scheme provided by the invention has the advantages of simple and easy-to-implement control structure, good directional radiation effect, high transmission efficiency and the like.

Description

technical field [0001] The invention discloses a high-frequency time-division multi-target microwave wireless energy transmission system, which relates to microwave wireless energy transmission and phased array multi-target directional radiation technology, and belongs to the technical field of power generation, transformation or distribution. Background technique [0002] Microwave wireless energy transmission (MPT, Microwave Power Transmission) uses electromagnetic waves as the energy transmission carrier to achieve directional wireless transmission of energy. It is less affected by climate and has a long transmission distance, and can transmit high-power energy to a single target (such as drones). , and can quickly transmit energy to multiple targets at the same time (such as notebook computers, mobile phones, headphones, etc.), and can realize full-coverage real-time wireless energy transmission of point-to-point and point-to-body in complex environments. The excellent o...

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Problems solved by technology

[0005] In order to make up for the various deficiencies of the above-mentioned background technology, the present invention proposes a high-frequency time-division multi-target microwave wireless energy transmission system based on time-division multi-beam technology, starting from reducing system complexity and improving the real-time performance and stability of energy transmission. By switching the radiation direction of the energy beam at high frequency to simultaneously supply energy to at least one energy-receiving target, it can fully meet the demand of simultaneous energy transfer to multiple targets, which is more practical and solves the problem of complex structure and high cost of the existing multi-target radiation system. The power capacity is small and the efficiency is extremely low, so it is difficult to apply to practical technical problems

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