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Repeating coil design method for three coil structure middle distance wireless energy transmission system

A technology of wireless power transmission and relay coils, applied in transformer/inductor components, transformer/inductor coils/windings/connections, circuits, etc., can solve problems such as lack of design methods

Inactive Publication Date: 2016-03-02
SOUTHEAST UNIV
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Problems solved by technology

Although relay coils have been used to increase the transmission distance of the system, there is a lack of a detailed, specific, targeted and practical design method

Method used

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  • Repeating coil design method for three coil structure middle distance wireless energy transmission system
  • Repeating coil design method for three coil structure middle distance wireless energy transmission system
  • Repeating coil design method for three coil structure middle distance wireless energy transmission system

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings.

[0030] Such as figure 1 Shown is a relay coil design method for a medium-distance wireless power transmission system with a three-coil structure, including the following steps:

[0031] Step 1), setting the transmission distance of the wireless power transmission system, the planned middle distance range is 1.0m≤d≤3m, and the middle distance is the transmission distance between the transmitting coil and the receiving coil. 1 to 3 meters is the general transmission distance range of the medium-distance wireless power transmission system, and it can also be appropriately expanded, generally limited to within 5 meters, otherwise the three-coil structure will not necessarily meet the constraints in the improvement of transmission efficiency and power. ① and ②;

[0032] The transmitting coil, the relay coil, and the receiving coil are all space spiral coils with the same ...

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Abstract

The invention discloses a repeating coil design method for a three coil structure middle distance wireless energy transmission system, comprising steps of setting a transmission distance for the middle distance wireless energy transmission system, calculating load power and integral efficiency of the three coil type wireless energy transmission system containing the repeating coil and maximized power or the impedance condition when the efficiency is output, establishing an efficacy integration target function with the practical power and efficiency need as optimization goals, determining a restriction condition of the middle distance wireless energy transmission system according to a practical application index, and finally determining the repeating coil optimization parameters when the optimization goal is achieved.

Description

technical field [0001] The invention relates to the technical field of radio transmission, in particular to a design method for a relay coil of a three-coil structure medium-distance wireless power transmission system Background technique [0002] In recent years, with the continuous heating up of research on wireless power transfer technology and the continuous expansion of related application fields, more and more scientists have given sufficient affirmation to this technology. In contrast, the traditional cable transmission system presents more and more disadvantages. In special fields such as deep sea, coal mine, and chemical industry, a series of safety and constructive problems such as sparks, transmission line laying and maintenance difficulties have made these The industry urgently needs the favor of wireless power transfer technology. Since Tesla pioneered the field of wireless power transmission, many scholars at home and abroad have devoted themselves to it, but ...

Claims

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Application Information

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IPC IPC(8): H02J50/10H02J50/50H01F38/14H01F27/28
CPCH01F38/14H01F27/2823H01F2038/143
Inventor 黄学良王维潘书磊刘瀚谭林林
Owner SOUTHEAST UNIV
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