Resonant mode wireless electric energy transmissions system capable of self-tuning impedance and control method

A resonant radio and resonant control technology, applied in the direction of electrical components, circuit devices, etc., can solve the problems of unsatisfactory transmission efficiency and power of the magnetic coupling resonant wireless power transmission system, and improve the charging effect. The method is simple and easy Effect

Active Publication Date: 2019-05-21
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0002] The existing wireless power transmission methods mainly include electromagnetic radiation, induction, and magnetic coupling resonance. Among them, the magnetic coupling resonance wireless power transmission has many advantages, and has attracted the attention of researchers; but in actual use, due to Affected by factors such as environmental interference and load changes, the transmission efficiency and power of the magnetically coupled resonant wireless power transmission system are not ideal

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  • Resonant mode wireless electric energy transmissions system capable of self-tuning impedance and control method
  • Resonant mode wireless electric energy transmissions system capable of self-tuning impedance and control method

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Embodiment Construction

[0018] A resonant wireless power transmission system capable of self-tuning impedance, including a transmitter rectifier 1, an inverter 2, and a transmitter resonant circuit 4; the input terminal of the transmitter rectifier 1 is connected to a power supply, and the output of the transmitter rectifier 1 end is connected with the input end of the inverter 2, and the output end of the inverter 2 is connected with the input end of the transmitter resonant circuit 4; the transmitter resonant circuit 4 includes a resonant capacitor Cp and an inductance Lp, and one end of the resonant capacitor Cp is connected to the One end of the inductance Lp is connected, the other end of the resonant capacitor Cp forms the first terminal of the resonant circuit 4 at the transmitting end, the other end of the inductance Lp forms the second terminal of the resonant circuit 4 at the transmitting end, and the first terminal and the second terminal form the resonant circuit 4 input; its innovation li...

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Abstract

The invention discloses a resonant mode wireless electric energy transmission system capable of self-tuning impedance. The system comprises an emitting end rectifier, an inverter and an emitting end resonance loop; the innovation is that a resonance control unit is arranged in the resonant mode wireless electric energy transmission system; a first terminal is connected with a current sampling portof the resonance control unit through a current sampling circuit; the first terminal and a second terminal are connected with a voltage sampling port through a voltage sampling circuit; an equivalentcapacitance regulating circuit is connected to the resonance loop. The transmission system disclosed by the invention has the advantages that the resonant wireless electric energy transmission systemcapable of self-tuning impedance and the control method are provided, the method is simple and easy to do, and the charging effect of the resonant wireless electric energy transmission system can beeffectively improved.

Description

technical field [0001] The invention relates to a resonant wireless power transmission technology, in particular to a resonant wireless power transmission system capable of self-tuning impedance and a control method. Background technique [0002] The existing wireless power transmission methods mainly include electromagnetic radiation, induction, and magnetic coupling resonance. Among them, the magnetic coupling resonance wireless power transmission has attracted the attention of researchers because of its many advantages; but in actual use, due to Affected by factors such as environmental interference and load changes, the transmission efficiency and power of the magnetically coupled resonant wireless power transmission system are not ideal. Contents of the invention [0003] Aiming at the problems in the background technology, the present invention proposes a resonant wireless power transmission system capable of self-tuning impedance, including a transmitter rectifier, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12
Inventor 禄盛黄栋马莹赵洋陈翔邓聪颖
Owner CHONGQING UNIV OF POSTS & TELECOMM
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