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Variable topology structure magnetically coupled resonance wireless power transmission system and method

A technology of wireless power transmission and magnetic coupling resonance, which is applied to electrical components, circuit devices, etc., can solve problems such as system frequency detuning, and achieve the effect of optimal transmission performance

Pending Publication Date: 2019-05-07
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology

[0010] Technical problem: The purpose of the present invention is to propose a method for the frequency detuning of the system caused by the inductive or capacitive part of the load when the load type does not completely match the topology of the magnetically coupled resonant wireless power transfer system. Variable topology magnetic coupling resonant wireless power transmission system and method

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  • Variable topology structure magnetically coupled resonance wireless power transmission system and method
  • Variable topology structure magnetically coupled resonance wireless power transmission system and method
  • Variable topology structure magnetically coupled resonance wireless power transmission system and method

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Embodiment Construction

[0039] In order to make the content and advantages of the technical solution of the present invention more clear, the variable topology magnetic coupling resonant wireless power transmission system and method of the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0040] It should be noted that, in the description of the present invention, the terms "first" and "second" are only used to describe different components conveniently, and should not be understood as indicating or implying a sequence relationship, relative importance, or implicitly indicating Indicates the number of technical characteristics. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features.

[0041] figure 1 It is a schematic diagram of the ...

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Abstract

The invention discloses a variable topology structure magnetically coupled resonance wireless power transmission system and method in the technical field of magnetically coupled resonance wireless power transmission, which mainly solves a problem of transmission power reduction caused by incomplete matching of the load type and the topology structure. The method improves the power of the system through changing the topology structure of the magnetically coupled resonance wireless power transmission system, enables the load to obtain the optimal transmission power and enables the system to achieve the optimal transmission performance. The invention lays a foundation for in-depth study of the wireless power transmission technology and provides useful guidance for designing the transmission system under different loads.

Description

technical field [0001] The invention belongs to the technical field of magnetic coupling resonance wireless power transmission, relates to a variable topology magnetic coupling resonance wireless power transmission system, and in particular to a method for increasing transmission power by changing the topological structure of a transmitter module and a receiver module. Background technique [0002] Since Nikola Tesla proposed the theory of wireless power transfer a century ago, wireless power transfer has been a hot research topic. Experts at home and abroad have been conducting research on wireless power transmission for many years, but the progress of scientific research has been slow until June 2007. Marin Soljacic, a professor of physics at the Massachusetts Institute of Technology (MIT), and his team members proposed a magnetic coupling based on strong magnetic coupling. A new scheme of resonance. In the experiment, two coils with a diameter of 60cm and copper wires wer...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12
Inventor 田子建刘代荣
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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