Title:
VOLTAGE CONVERSION CIRCUIT, CONTROL METHOD FOR VOLTAGE CONVERSION CIRCUIT, AND ENERGY STORAGE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/000210
Kind Code:
A1
Abstract:
A voltage conversion circuit, comprising: an AC/DC conversion unit, a DC/DC conversion unit, a first control unit, and a second control unit. The AC/DC conversion unit is connected to the DC/DC conversion unit by means of a direct-current bus; the first control unit is used for obtaining a bus voltage on the direct-current bus and generating a first control signal when the bus voltage is less than a first voltage threshold; the second control unit is used for entering a heavy-load mode when receiving the first control signal and outputting a first driving signal to the DC/DC conversion unit; and the duty ratio of the first driving signal is greater than the duty ratio of a driving signal output when the second control unit is in a non-heavy-load mode.
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Inventors:
ZHAO MI (CN)
TONG WENPING (CN)
TONG WENPING (CN)
Application Number:
PCT/CN2022/102108
Publication Date:
January 04, 2024
Filing Date:
June 29, 2022
Export Citation:
Assignee:
ECOFLOW INC (CN)
International Classes:
H02M7/219; H02M1/36; H02M3/156
Foreign References:
| CN112994469A | 2021-06-18 | |||
| CN101728957A | 2010-06-09 | |||
| CN216016710U | 2022-03-11 | |||
| US20190074759A1 | 2019-03-07 | |||
| US10250126B1 | 2019-04-02 |
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