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Self-adapting wireless electric energy transmission device

A wireless power transmission and self-adaptive technology, which is applied in the direction of circuit devices, electrical components, electromagnetic wave systems, etc., can solve the problems of "wireless power supply device" transmission efficiency reduction, etc., and achieve the effect of simple structure and high transmission stability

Inactive Publication Date: 2013-07-24
CHONGQING JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can improve efficiency, the resonant frequency of the coil will change dynamically with changes in environmental factors (such as temperature, position, medium), and the change of resonant frequency will greatly reduce the transmission efficiency of the "wireless power supply device".

Method used

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  • Self-adapting wireless electric energy transmission device

Examples

Experimental program
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Embodiment Construction

[0019] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0020] As shown in the drawings, the device includes a transmitter 1, a receiver 2, a transmitting LC resonator 3, a relay LC resonator 4 and a receiving LC resonator 5; the transmitter 1 includes a transmitting coil 12, a microcontroller 13 , an electronically controlled oscillator 14, a power amplifier 15 and an impedance converter 16; the receiver 2 includes a receiving coil 21, an impedance converter 22, a rectifier bridge 23 and an output terminal 25; the transmitting LC resonator 3, the relay LC The resonant oscillator 4 and the receiving LC resonant oscillator 5 are used to adaptively adjust the LC resonant frequency according to the transmitting oscillation frequency. The above-mentioned resonant oscillators have the same structure, including a resonant coil 41, a frequency band electronic switch 42, a resonant capacitor 43 and a con...

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Abstract

The invention discloses a self-adapting wireless electric energy transmission device and belongs to the technical field of wireless electric energy transmission. The self-adapting wireless electric energy transmission device comprises a transmitter, a receiver, a transmitting LC harmonic oscillator, a relay LC harmonic oscillator and a receiving LC harmonic oscillator, wherein the transmitter comprises a transmitting coil, a microcontroller, an electrically-controlled oscillator, a power amplifier and an impedance transformer, the receiver comprises a receiving coil, an impedance transformer, a rectifier bridge and an output terminal, and the transmitting LC harmonic oscillator, the relay LC harmonic oscillator and the receiving LC harmonic oscillator are of the same structure and are respectively provided with a resonance coil, a frequency range electronic switch, a resonance capacitor and a control circuit. The self-adapting wireless electric energy transmission device is simple in structure, capable of automatically adjusting the transmitting frequency and the resonant frequency according to the electromagnetic frequency in the environment, high in transmission stability, capable of achieving long-distance transmission by adopting a plurality of relay LC harmonic oscillators.

Description

technical field [0001] The invention belongs to the technical field of wireless power transmission, and relates to an adaptive wireless power transmission device. Background technique [0002] Current electrical equipment generally uses wires to obtain electrical energy, but this will cause constraints on electrical equipment, especially for some mobile electrical equipment such as mobile phones, tablet computers, wireless sensors, etc., which will bring a lot of inconvenience. [0003] Wireless power supply is an effective way to solve this problem. At present, some wireless power supply devices have also appeared on the market, but these wireless power supply devices have short power supply distance and low efficiency, so it is difficult to meet the demand for power supply equipment in actual production and life. For example, the patent "wireless power supply device" (patent number: 101345438) only converts electrical energy into electromagnetic waves and sends them into ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J17/00H02J50/12H02J50/50
Inventor 张开洪颜禹张欢韵罗林周英姿
Owner CHONGQING JIAOTONG UNIVERSITY
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