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One-to-many wireless electric energy transmission system suitable for ordered loads and control method of one-to-many wireless electric energy transmission system

A multi-radio and transmission system technology, applied to electrical components, circuit devices, etc., can solve problems such as high cost, low system efficiency, and complex structure, and achieve the effects of simple control, simplified system topology, and reduced electromagnetic radiation

Active Publication Date: 2019-04-26
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a one-to-many wireless power transmission system and its control method suitable for ordered loads, and solve the problems of complex structure, high cost and low system efficiency in the existing multi-load wireless power transmission system

Method used

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  • One-to-many wireless electric energy transmission system suitable for ordered loads and control method of one-to-many wireless electric energy transmission system
  • One-to-many wireless electric energy transmission system suitable for ordered loads and control method of one-to-many wireless electric energy transmission system
  • One-to-many wireless electric energy transmission system suitable for ordered loads and control method of one-to-many wireless electric energy transmission system

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Embodiment 1

[0069] The one-to-many wireless power transmission system suitable for ordered loads provided by the preferred embodiments of the present invention, such as figure 1 As shown, it should be noted that N in the attached figure represents the maximum number of loads in the system, that is, the final number of transmitters / receivers, and n in the specification represents the number of loads in the system under a certain working state, and It is one of the transmitters / receivers, not specific, 1≤n≤N, and i in the specification also means a general reference.

[0070] A one-to-many wireless power transmission system suitable for ordered loads, including a DC voltage source E, and a DC voltage converter V sequentially connected to the DC voltage source E DCB and high frequency inverter V T , the high frequency inverter V T One end of the AC output end is connected in parallel with several switches S n , where, n≥1, the number of switches S n several transmitting coils in series, ...

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Abstract

The invention discloses a one-to-many wireless electric energy transmission system suitable for ordered loads and a control method of the one-to-many wireless electric energy transmission system, andbelongs to the technical field of wireless electric energy transmission. The one-to-many wireless electric energy transmission system comprises a direct-current voltage source, a direct-current voltage converter and a high-frequency inverter, wherein the direct-current voltage converter and the high-frequency inverter are sequentially connected with the direct-current voltage source; one end of the alternating-current output end of the high-frequency inverter is connected with a plurality of switches in parallel, and the multiple switches are connected with a plurality of transmitting coils inseries; the other end of the alternating-current output end of the high-frequency inverter is connected with an LCL compensation network, and the other end of a second resonant inductor of the LCL compensation network is connected with the multiple transmitting coils; and the multiple transmitting coils are connected with a plurality of receiving coils through electromagnetic coupling, and the multiple receiving coils are connected with the multiple loads. The problems that an existing multi-load wireless electric energy transmission system is complex in structure, high in cost and low in system efficiency are solved.

Description

technical field [0001] The invention belongs to the technical field of wireless power transmission, and relates to a one-to-many wireless power transmission system applicable to ordered loads and a control method thereof. Background technique [0002] The current wireless power transmission system can be divided into four types: one-to-one, one-to-many, many-to-one, and many-to-many systems, among which the one-to-one wireless power transmission system includes an inverter, a transmitting coil and a receiving end. When there are multiple receiving end power demands, multiple inverters and transmitting ends are required, which makes the system complex, poor in flexibility, low in comprehensive utilization, and high in construction, operation, and maintenance costs; one-to-many wireless power transmission system There are two types, one includes an inverter, a circular or rectangular large transmitting coil and multiple small receiving coils, and the other includes an inverter...

Claims

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Application Information

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IPC IPC(8): H02J50/12H02J50/40H02J50/70
CPCH02J50/12H02J50/40H02J50/70
Inventor 何正友徐叶飞顾耘东麦瑞坤
Owner SOUTHWEST JIAOTONG UNIV
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