Title:
LLC RESONANT CONVERSION CIRCUIT, CHARGING DEVICE, ENERGY STORAGE DEVICE AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/077847
Kind Code:
A1
Abstract:
An LLC resonant conversion circuit, a charging device, an energy storage device and an electric device, which relate to the technical field of power electronics. The LLC resonant conversion circuit is composed of a plurality of harmonic circuits, wherein a plurality of transformers in each harmonic circuit are electrically connected to each other, and are electrically connected to one transformer in each of the other harmonic circuits, such that the harmonic circuits cross each other, and the current or voltage of an electrical signal in one harmonic circuit can be shunted to another harmonic circuit. Insofar as no devices are added, when the harmonic circuits are connected in parallel, current values of electrical signals in the harmonic circuits are the same, and when the harmonic circuits are connected in series, voltage values of electrical signals in the harmonic circuits are the same, thereby effectively reducing the complexity of a control policy for the entire LLC resonant conversion circuit, and reducing the cost of the LLC resonant conversion circuit.
Inventors:
CHEN JIANSHENG (CN)
LIU YANG (CN)
LI YONGFA (CN)
LIU YANG (CN)
LI YONGFA (CN)
Application Number:
PCT/CN2022/103844
Publication Date:
May 11, 2023
Filing Date:
July 05, 2022
Export Citation:
Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
H02M3/335
Foreign References:
| CN114039491A | 2022-02-11 | |||
| US20200204079A1 | 2020-06-25 | |||
| CN109672340A | 2019-04-23 | |||
| CN109412416A | 2019-03-01 | |||
| JP6696617B1 | 2020-05-20 | |||
| CN202111300517A | 2021-11-04 |
Attorney, Agent or Firm:
E-TONE INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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