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A Wireless Power Transmission System Based on Acoustic Focusing

A technology of wireless power transmission and acoustic focusing, applied in the direction of circuit devices, electrical components, etc., can solve problems that have not received enough attention, achieve the effects of reducing energy loss, excellent focusing function, and improving efficiency

Active Publication Date: 2019-11-08
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, relevant researches on wireless power transmission have been carried out at home and abroad, but the use of sound waves as the transmission method of electric energy has not received enough attention.

Method used

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  • A Wireless Power Transmission System Based on Acoustic Focusing
  • A Wireless Power Transmission System Based on Acoustic Focusing
  • A Wireless Power Transmission System Based on Acoustic Focusing

Examples

Experimental program
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Embodiment 1

[0033] see figure 1 , figure 1 It is the structural principle diagram of this embodiment, and it can be seen from the figure that the drive signal circuit, power amplifier circuit, energy transmitter, sound focuser, energy receiver, and rectification boost filter circuit are connected in sequence.

[0034] A driving signal circuit, used to send a driving signal to control the release of energy;

[0035] The energy transmitter is connected to the power amplifier circuit, and its function is to convert the voltage and current of the large signal into energy, and convert the electric energy into sound energy;

[0036] The sound focuser is placed at a certain distance from the energy transmitter, and its function is to collect and focus the sound energy. The reason why the acoustic focuser is used here is that the energy emitted directly by the energy emission module is difficult to focus in a specific energy recovery area, and there is a strong energy dissipation during the ene...

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Abstract

The invention discloses a wireless power transmission system based on acoustic focusing. The wireless power transmission system comprises an acoustic energy generating unit, an acoustic energy concentrating unit and an acoustic energy recovery and utilization unit. The acoustic energy generating unit includes a driving unit, a power amplifying unit and an energy emitting unit and is for convertingelectric energy into acoustic energy. The acoustic energy concentrating unit completes the acoustic energy concentration by an acoustic focusing device. The acoustic energy recovery and utilization unit includes an energy receiving unit and a rectifying and boosting filtering unit, and the energy receiving unit converts acoustic energy into electric energy and sends the electric energy to the rectifying and boosting unit to output the electric energy. Compared with the traditional wired transmission, the wireless power transmission system in the invention achieves wireless transmission, and has unique advantages in power transmission safety, reliability and convenience. Compared with the current magnetic field wireless power transmission, the wireless power transmission system in the invention adopts the acoustic energy transmission, which opens up a new way for wireless power transmission.

Description

technical field [0001] The invention belongs to the technical field of wireless power transmission systems, in particular to a wireless power transmission system based on acoustic focusing. Background technique [0002] As an emerging technology, wireless power transmission has gradually received great attention both at home and abroad. In the industry, in some special occasions such as mines, oil fields and underwater detection, the traditional wired contact power supply is easy to cause electric sparks due to friction, which increases the possibility of explosion and causes serious accidents. When supplying power to some sports equipment, the sliding contact power supply is mainly used at present. This power supply method has disadvantages such as contact sparks and exposed wires. In terms of life, with the popularization of various portable electronic products and the development of Internet of Things technology, especially the development of mobile terminals such as mob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J50/00
Inventor 陈花玲李宗奇魏东赵婷婷温坤徐晓亮
Owner XI AN JIAOTONG UNIV
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