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Title:
CHARGING AND DISCHARGING CIRCUIT, CHARGING AND DISCHARGING SYSTEM, AND CHARGING AND DISCHARGING CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/010894
Kind Code:
A1
Abstract:
The present application discloses a charging and discharging circuit, a charging and discharging system, and a charging and discharging control method. The charging and discharging circuit comprises a power supply module, a switch module, an energy storage module, and a charging and discharging switching module. The switch module, the charging and discharging switching module, and the power supply module are connected in parallel. A first end of the energy storage module is connected to the switch module, and a second end of the energy storage module is connected to the charging and discharging switching module. The switch module and the charging and discharging switching module are used for acting in response to a charging and discharging enable signal to generate alternating current in the charging and discharging circuit. According to the charging and discharging circuit of the present application, the switch module and the charging and discharging switching module thereof can act in response to a charging and discharging enable signal to generate alternating current in the charging and discharging circuit, and the alternating current generates heat in the power supply module, so as to heat the power supply module, so that the vibration noise of a motor can be effectively suppressed, and the problem of excessively large vibration noise of the motor generated in the process of heating a power battery by using a motor loop in the traditional power battery heating technology is solved.

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Inventors:
HUANG XIAOJIAN (CN)
DAN ZHIMIN (CN)
PAN XIANXI (CN)
GAO JINFENG (CN)
Application Number:
PCT/CN2022/088187
Publication Date:
February 09, 2023
Filing Date:
April 21, 2022
Export Citation:
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Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
B60L58/12
Domestic Patent References:
WO2021135888A12021-07-08
WO2018030143A12018-02-15
Foreign References:
CN112977171A2021-06-18
CN111355430A2020-06-30
CN111347924A2020-06-30
Attorney, Agent or Firm:
BEIJING CHEN QUAN INTELLECTUAL PROPERTY LAW FIRM (CN)
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