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A system based on a three-dimensional rotatable omnidirectional wireless power transfer transmitter

A wireless power transmission and transmitter technology, applied in transmission systems, near-field transmission systems, near-field transmission systems using transceivers, etc., can solve the problems of high cost and high operational complexity

Inactive Publication Date: 2021-07-27
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing three-dimensional omnidirectional wireless power transmission technology generally requires three independent power supplies, and requires complex phase difference or current amplitude control circuits, which are costly and complex to operate.

Method used

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  • A system based on a three-dimensional rotatable omnidirectional wireless power transfer transmitter
  • A system based on a three-dimensional rotatable omnidirectional wireless power transfer transmitter
  • A system based on a three-dimensional rotatable omnidirectional wireless power transfer transmitter

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Embodiment Construction

[0087] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0088] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to a system based on a three-dimensional rotatable omnidirectional wireless power transmission transmitter, which belongs to the technical field of wireless power transmission. The system includes a full-bridge inverter circuit, a three-dimensionally rotatable transmitter, a receiver, a rectifier circuit and a resonant matching circuit, etc.; a true three-dimensional omnidirectional power transmission can be realized through simple geometric rotation. Then considering the rotation of the emitter around the x-axis, y-axis and z-axis, the rotation angle corresponding to the maximum coupling of the system during the three-dimensional rotation is obtained. In the case of keeping the transmission distance constant, the power of the load can be continuously adjusted through geometric rotation, and the maximum coupling of the system can also be obtained in a targeted manner according to the rotation angle corresponding to the derived maximum mutual inductance. Due to the function of DC-AC inverter, the operating frequency of the system can be continuously adjusted from 10kHz-400kHz. The system can be effectively used in the home or office space to realize wireless energy transmission to electrical equipment anywhere in the three-dimensional space.

Description

technical field [0001] The invention belongs to the technical field of wireless power transmission, and relates to a system based on a three-dimensional rotatable omnidirectional wireless power transmission transmitter. Background technique [0002] There are three main types of wireless power transmission, electromagnetic radiation, electric field coupling and magnetic field coupling. Among them, the magnetic coupling resonant type is very suitable for charging electronic devices in home or office space due to its high efficiency and high power transmission over a long distance. At present, Wi-Fi wireless energy transfer technology, or wireless energy transfer technology with spatial freedom, is receiving more and more attention. One of the main purposes of this technology is to enable a single three-dimensional rotatable transmitter in a room to give Wireless charging of electronic devices anywhere in the room. However, the existing three-dimensional omnidirectional wire...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J50/40H01F27/28H01F38/14H04B5/00H04B5/02H04B5/48
Inventor 李万路汪泉弟王赢聪康健炜
Owner CHONGQING UNIV
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