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Capacitive energy transmission system having hybrid resonant topological structure and adjustment method

A technology of energy transmission and topology structure, which is applied in the direction of conversion equipment, current collectors, and electric vehicles with intermediate conversion to AC. It can solve the problem that the CPT system cannot guarantee a constant output current and achieve a good application prospect.

Inactive Publication Date: 2019-05-10
深圳市华禹无线供电技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a capacitive energy transmission system with a hybrid resonance topology and an adjustment method, aiming at solving the problem that the existing CPT system cannot guarantee a constant output current when the load changes

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  • Capacitive energy transmission system having hybrid resonant topological structure and adjustment method
  • Capacitive energy transmission system having hybrid resonant topological structure and adjustment method
  • Capacitive energy transmission system having hybrid resonant topological structure and adjustment method

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] Such as figure 1 As shown, the embodiment of the present invention provides a capacitive energy transfer system with a hybrid resonance topology, including a primary side device and at least one set of secondary side devices, and the primary side device includes a rectifier calibrator 1, High-frequency inverter 2, Π-CLC resonant circuit 3, soft-switching transformer 4 and main board array 5, described rectification calibrator 1 is used for converting po...

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Abstract

The invention provides a capacitive energy transmission system having a hybrid resonant topological structure and an adjustment method. The system comprises primary-side equipment and at least one secondary-side equipment, wherein the primary-side equipment comprises a rectification calibrator, a high-frequency inverter, a pi-CLC resonant circuit and a soft switch transformer which are sequentially and electrically connected, the rectification calibrator is used for converting a power frequency mains supply to a direct current, the high-frequency inverter is used for converting the direct current to a high-frequency alternating current, the pi-CLC resonant circuit is used for increasing a driving voltage of a coupling structure between a primary side and a secondary side, the soft switch transformer is used for compensating equivalent capacitance of the coupling structure between the primary side and the secondary side, each secondary-side equipment comprises a T-CLC circuit, a rectification filter and a load which are sequentially and electrically connected, the T-CLC circuit is used for providing a constant-current output, and the rectification filter is used for providing DC electric energy output for the load. The capacitive energy transmission system can be independent from the change of the load, and constant output current is provided.

Description

technical field [0001] The invention relates to a wireless energy transmission system, in particular to a capacitive energy transmission system with a hybrid resonance topology and an adjustment method. Background technique [0002] In recent years, wireless power transfer system has received extensive attention, which can provide power for power equipment in various occasions. Capacitive power transfer (CPT) using an electric field as the power transfer medium is a new approach to wireless power transfer. The coupling structure of a typical CPT system consists of two pairs of metal plates, the main board and the acquisition board, and the acquisition board is coupled to the main board through the electric field between them. [0003] Due to the design flexibility of the coupling structure and the low eddy current loss of its metal structure, CPT technology has attracted extensive attention from the electric vehicle battery charging, consumer electronics, and LED lighting i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12H02J7/02H02M3/22
CPCY02B70/10
Inventor 李佳王杰李刚周洪邓其军胡文山周东国
Owner 深圳市华禹无线供电技术有限公司
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