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Title:
ON-BOARD CHARGER, ON-BOARD POWER SYSTEM, AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/001459
Kind Code:
A1
Abstract:
An on-board charger, comprising an insulating housing (100) and an on-board charging module (101). In the on-board charging module (101), a bidirectional direct-current conversion circuit (1012) is configured to receive a first direct current transmitted by a direct-current bus (1011) and to output a second direct current by means of a power battery connection port (1001) to supply power to a power battery (12), or configured to receive power supplied by the power battery (12) by means of the power battery connection port (1001) and to output the first direct current; a first bridge arm circuit (1010) is configured to receive an alternating current by means of an alternating current power supply input port (1000) and to output the first direct current, or configured to receive the first direct current and to output a first alternating current by means of an alternating current load power supply port (1002) to supply power to an alternating current load (13); and a second bridge arm circuit (1013) is configured to receive the first direct current and to output a second alternating current by means of the alternating current load power supply port (1002) to supply power to the alternating current load (13), thereby implementing both the function of supplying power to the power battery (12) and the function of supplying power to the alternating current load (13). The on-board charger has a simpler structural layout, high integration, high power supply flexibility, and high applicability. Also disclosed are an on-board power system and an electric vehicle.

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Inventors:
FENG NINGBO (CN)
LIANG ZHIGANG (CN)
MENG YUANDONG (CN)
Application Number:
PCT/CN2023/089907
Publication Date:
January 04, 2024
Filing Date:
April 21, 2023
Export Citation:
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Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
B60L53/20; B60L1/00
Domestic Patent References:
WO2018041493A12018-03-08
Foreign References:
CN115027297A2022-09-09
CN112224063A2021-01-15
CN112224059A2021-01-15
CN105790337A2016-07-20
CN111434514A2020-07-21
CN112428840A2021-03-02
CN209150750U2019-07-23
US20170080810A12017-03-23
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
Download PDF:
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