Novel wireless power transmission system

A new type of wireless power transmission technology, applied in the direction of circuits, inductors, electrical components, etc., can solve the problems of loose coupling characteristics of the constrained magnetic circuit mechanism, and the system efficiency cannot be greatly improved, so as to improve power transmission capacity and improve utilization rate, the effect of improving efficiency

Inactive Publication Date: 2016-07-27
CHINA UNIV OF MINING & TECH
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Problems solved by technology

By optimizing the design of the magnetic core mechanism, the utilization rate of magnetic energy can be effectively improved to a certain extent, but due to the loose coupling characteristics of the magnetic circuit mechanism, the system efficiency cannot be greatly improved

Method used

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Embodiment Construction

[0017] The following examples are used to illustrate the patent of the present invention, but are not intended to limit the scope of the patent of the present invention.

[0018] Such as figure 2 As shown, when the patent of the present invention is implemented, the high-frequency AC voltage source 1 passes through the primary-side distributed magnetic circuit mechanism 3 and the primary-side magnetic circuit mechanism resonant compensation circuit 2, and generates the primary-side and secondary-side mutual inductance coupling magnetic field 4. Through coupling, the secondary The side distributed magnetic circuit mechanism 5 obtains energy, and supplies electric energy to the load 7 after passing through the secondary side magnetic circuit mechanism compensation circuit 6 . Among them, the output end of the high-frequency AC voltage source is connected in parallel with multiple secondary side coils. In the guide rail type wireless power transmission system, the primary side m...

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Abstract

The invention relates to a novel wireless power transmission system, which comprises a high-frequency AC power supply, a primary distributed magnetic circuit mechanism, a resonance compensation mechanism of the primary distributed magnetic circuit mechanism, a secondary distributed magnetic circuit mechanism, the resonance compensation mechanism of the secondary distributed magnetic circuit mechanism and a load, wherein a primary side of the system is formed by connecting a plurality of independent coils in parallel; a secondary side is formed by connecting the plurality of independent coils in series; and secondary coils are distributed at different positions of corresponding primary coils and obtain power from the corresponding primary coils for the load for use respectively. Compared with a traditional wireless power transmission system, the novel wireless power transmission system is high in power transfer capability; a magnetic core of the secondary magnetic circuit mechanism is not easily saturated; various secondary coils do not interfere with one another; the magnetic energy utilization rate of the primary side is high; and the system is relatively high in efficiency and is suitable for providing high-power efficient power transmission to a guide rail-type noncontact power transmission system.

Description

technical field [0001] The patent of the present invention relates to the technical field of wireless power transmission, specifically, a new type of wireless power transmission system. Background technique [0002] Compared with wired power transmission, wireless power transmission technology has the characteristics of safe, reliable and flexible power supply. Wireless power transmission technology has made great breakthroughs in theoretical research, and has developed related products in the fields of wireless power supply guide rail cars, electric vehicle wireless power supply, household appliances wireless power supply and other fields. In the guide rail type wireless power transmission system, the guide rail coil is usually a long straight wire, and the secondary pick-up coil is a group of concentrated winding wires. The guide rail coil and the secondary pick-up coil are two independent parts that are completely electrically insulated. Only a part of the guide rail coi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12H02J50/40
CPCH01F38/14
Inventor 郭国胜于波缪益新任建平
Owner CHINA UNIV OF MINING & TECH
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