POWER CONVERSION CIRCUIT, AND CHARGING APPARATUS AND SYSTEM

Title:

POWER CONVERSION CIRCUIT, AND CHARGING APPARATUS AND SYSTEM

Document Type and Number:

WIPO Patent Application WO/2018/233578

Kind Code:

A1

Abstract:

A power conversion circuit and a charging apparatus, which can support a plurality of charging modes, improving the charging rate of a battery. The circuit comprises: a first end of a first switch element being in coupled connection to an input power source through a first external end of a power conversion circuit, a second end of the first switch element being respectively coupled to a first end of a first energy storage element and a first end of a second switch element, a second end of the first energy storage element being respectively coupled to a first end of a third switch element and a first end of a fourth switch element, a second end of the second switch element being in coupled connection to a battery through a second external end of the power conversion circuit, a second end of the fourth switch element being coupled to the second external end, a second end of the third switch element being grounded, a first end of a fifth switch element being coupled to the first external end, a second end of the fifth switch element being respectively coupled to a first end of a second energy storage element and a first end of a sixth switch element, a second end of the second energy storage element being coupled to the second external end, and a second end of the sixth switch element being grounded.

Inventors:

SONG JUN (CN)
WANG PENGFEI (CN)

Application Number:

PCT/CN2018/091665

Publication Date:

December 27, 2018

Filing Date:

June 15, 2018

Export Citation:

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Assignee:

HUAWEI TECH CO LTD (CN)

International Classes:

H02J7/00; H02M1/10; H02M3/07; H02M3/158

Foreign References:

CN106549564A	2017-03-29
US6304068B1	2001-10-16
CN105556820A	2016-05-04
CN101083431A	2007-12-05

Other References: