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High-gain energy injection-type push-pull topological structure of IPT system, control system and control method

A technology of energy injection and topological circuits, applied in control/regulation systems, high-efficiency power electronic conversion, electrical components, etc., can solve problems such as low output gain, overall gain limitation, and increased system complexity

Active Publication Date: 2016-12-21
重庆华创智能科技研究院有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the IPT system, the system realizes the wireless transmission of power through the loose coupling of the magnetic field, so that the overall gain of the system is limited
The output gain of the existing topological compensation structure is generally low, and the power adjustment of the system needs to be realized with an external control or auxiliary circuit, which increases the complexity of the system to a certain extent

Method used

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  • High-gain energy injection-type push-pull topological structure of IPT system, control system and control method
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Embodiment Construction

[0028] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0029] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or two The internal communication of each element may be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms according to specific situations.

[0030] The inventio...

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Abstract

The invention provides a high-gain energy injection-type push-pull topological structure of an IPT system, a control system and a control method. The IPT system comprises a primary circuit and a secondary circuit, wherein at least one switch tube is also connected to the primary circuit in series, so that on and off of an inverter circuit and a resonant network are achieved through regulating switch-on and switch-off of the switch tube. The at least one switch tube is also connected to the primary circuit in series, and on or off of inverter bridge switch tubes S1 and S2 is controlled through regulating conduction cycles of the switch tubes, so that energy injection of the system is controlled, high-gain output is achieved, the regulating ranges of input gain and output gain are improved and a constant-voltage regulation function is achieved.

Description

technical field [0001] The invention relates to an IPT (Inductively Power Transfer, inductive power transfer) system energy injection push-pull topology circuit technology, in particular to an IPT system high-gain energy injection push-pull topology circuit, a control system and a control method. Background technique [0002] In the IPT system, the system realizes the wireless power transmission through the loose coupling of the magnetic field, so that the overall gain of the system is limited. The output gain of the existing topological compensation structure is generally low, and the power adjustment of the system needs to be realized with an external control or auxiliary circuit, which increases the complexity of the system to a certain extent. How to design the topology circuit of the IPT system in order to achieve high-gain output, improve the power adjustment range, and the voltage regulation function has important practical significance. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): H02M3/337
CPCH02M3/3376Y02B70/10
Inventor 戴欣李艳玲王智慧孙跃唐春森苏玉刚
Owner 重庆华创智能科技研究院有限公司
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