Radio energy transmission multi-directional transmitting three-dimensional coil and radio energy transmission system

A wireless power transmission and transmitting coil technology, applied in the direction of transformer/inductor coil/winding/connection, circuit, inductor, etc., can solve the problem of offset transmission efficiency and reduction of the receiving coil and the transmitting coil, and improve the space uniformity. performance, reduce system volume, and ensure stability

Pending Publication Date: 2018-12-11
CHINA ELECTRIC POWER RES INST +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention proposes a wireless power transmission multi-directional transmitting three-dimensional coil and a wireless power transmission system, aiming to solve the problem that the transmission efficiency is reduced due to the relative offset of the existing receiving coil and transmitting coil

Method used

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  • Radio energy transmission multi-directional transmitting three-dimensional coil and radio energy transmission system
  • Radio energy transmission multi-directional transmitting three-dimensional coil and radio energy transmission system
  • Radio energy transmission multi-directional transmitting three-dimensional coil and radio energy transmission system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 As shown, the three-dimensional three-dimensional skeleton 1 is a regular hexahedron, and the 12 edges of the regular hexahedron are formed by a cylindrical ferrite core 11, and each edge is connected by a vertex made of a non-magnetic material 12, as a carrying mechanism for emitting a three-dimensional coil .

[0034] The transmitting coil 2 is helically wound on each edge, which is a cylindrical helical coil, and the two terminals of the transmitting coil 2 on each edge are drawn out, and connected to the high-frequency power supply in parallel after a tuned circuit.

[0035] The regular hexahedron has a hollow structure, which facilitates the connection between the transmitting three-dimensional coil and the wires, and the tuning circuit and the high-frequency power supply are arranged inside the hollow regular polyhedron.

Embodiment 2

[0037] Such as figure 2 As shown, the three-dimensional three-dimensional skeleton 1 is a regular dodecahedron, and the 30 edges of the regular dodecahedron are formed by a cylindrical ferrite core 11, and each edge is connected by a vertex made of a non-magnetic material 12 as a transmitting three-dimensional coil the carrying mechanism.

[0038] The transmitting coil 2 is helically wound on each edge, which is a cylindrical helical coil, and the two terminals of the transmitting coil 2 on each edge are drawn out, and connected to the high-frequency power supply in parallel after a tuned circuit.

[0039] The regular dodecahedron has a hollow structure, which facilitates the connection between the transmitting three-dimensional coil and the wire, and the tuning circuit and the high-frequency power supply are arranged inside the hollow regular polyhedron.

[0040] To sum up, the wireless power transmission multi-directional transmitting three-dimensional coil provided by thi...

Embodiment 3

[0052] Such as Figure 4 As shown, the three-dimensional receiving structure 3 is used as the supporting mechanism for receiving the three-dimensional transmitting coil 20. The three-dimensional receiving structure 3 is a regular hexahedron, and the regular hexahedron is composed of six regular quadrilaterals, and each surface is a corresponding regular quadrilateral.

[0053] Ferrite is pasted on each surface, and the planar spiral coil 4 on each surface is wound on each surface by a wire. Each turn of the planar spiral coil 4 is a regular quadrilateral, and the geometric center of each turn of the coil is located on each face of the regular hexahedron. In the center of , all turn coils in the same plane are located in the same plane, and the coils on each plane have the same size.

[0054] In order to make the structure simple and portable, the three-dimensional receiving structure 3 is a hollow regular polyhedron.

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Abstract

The invention provides a radio energy transmission multi-directional transmitting three-dimensional coil and a radio energy transmission system. The transmitting three-dimensional coil comprises: a three-dimensional skeleton, wherein three-dimensional skeleton is a three-dimensional structure with iron cores as the edges and the non-magnetic conductive material as the vertex and is used as a bearing mechanism of the transmitting three-dimensional coil. A transmitting coil is wound around each edge of the three-dimensional skeleton for converting electrical energy into electromagnetic energy for radio energy transmission. The 3D stereoscopic structure is adopt, so that the need for multiple loads at different locations to be powered simultaneously when a single power supply is used can be met, and the requirement of high degree of freedom movement of a receiving device is satisfied. Further, the degree of freedom and flexibility of the radio energy transmission system are improved, thespatial uniformity of the magnetic field of the transmission system is improved, the dependence of the receiving system on the transmitting system is reduced, and the stable electric energy transmission of the single-source and multi-load system and the receiving device at any spatial position is realized, so that the transmission efficiency and the transmission stability of the radio energy transmission are improved.

Description

technical field [0001] The invention relates to the technical field of wireless power transmission, in particular to a wireless power transmission multi-directional transmitting three-dimensional coil and a wireless power transmission system. Background technique [0002] Wireless Power Transfer (WPT), also known as Contactless Power Transmission (CPT), is a technology that relies on space invisible soft media (such as electric fields, magnetic fields, microwaves, lasers, ultrasonic waves, etc.) Realizing a power supply mode that transmits electric energy from the power supply end to the electric equipment is a revolutionary progress in electric energy transmission and access. Wireless power transmission effectively solves the problem of convenient and safe access to the power supply, and solves the problems of plug-in sparks, carbon deposits, difficult maintenance, and easy wear and tear caused by the traditional direct contact power transmission mode, especially in special...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F38/14H01F27/24H01F27/28H01F27/30H02J50/12
CPCH01F38/14H01F27/24H01F27/2823H01F27/306H02J50/12
Inventor 诸嘉慧李永亮高强刘齐刘之方
Owner CHINA ELECTRIC POWER RES INST
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