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公开(公告)号：US20230387492A1
公开(公告)日：2023-11-30
申请号：US18450375
申请日：2023-08-15
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xinwei CHEN , Yu YAN , Zhimin DAN , Zhanliang LI , Yizhen HOU , Wei ZHANG
IPC: H01M10/615 , H01M10/633 , G01R31/36 , G01R31/367
CPC classification number: H01M10/615 , H01M10/633 , G01R31/3648 , G01R31/367 , H01M2220/20
Abstract: A battery heating system includes a voltage conversion unit configured to be electrically connected to a power source and to a battery to be heated, and a control unit. The voltage conversion unit receives a first voltage input by the power source or a second voltage input by the battery to be heated. The control unit acquires a charging and discharging frequency of the voltage conversion unit, determines a charge transfer impedance of the battery to be heated according to the charging and discharging frequency, calculates a safe amplitude current of the battery to be heated according to the charge transfer impedance, and sends a control signal to the voltage conversion unit according to the charging and discharging frequency and the safe amplitude current to cause the voltage conversion unit to perform boost or buck processing of the first voltage or the second voltage according to the control signal.
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Patent Agency Ranking
32.发明公开公开(公告)号：US20230384395A1
公开(公告)日：2023-11-30
申请号：US18310065
申请日：2023-05-01
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Chunfa WANG , Yanming ZHAO , Zhimin DAN , Yu YAN , Yuan YAO , Xiao WANG , Xiyang ZUO
CPC classification number: G01R31/40 , H02M1/0067 , H02M7/44
Abstract: System and method for testing power conversion devices are provided. A power supply grid is connected to an AC terminal of a first power conversion device, the power supply grid is also connected to an AC terminal of the second power conversion device, and a DC terminal of the first power conversion device is connected to a DC terminal of the second power conversion device. In this way, a test loop is formed by the power supply grid, the first power conversion device and the second power conversion device. In this test loop, the first power conversion device and the second power conversion device act as a load and a power source, so no additional DC power supply and load are required during the test.
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33.发明公开公开(公告)号：US20230302943A1
公开(公告)日：2023-09-28
申请号：US18204989
申请日：2023-06-02
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Longzhen LIN , Xiao WANG , Yu YAN
Abstract: An electric energy dispatch method, an apparatus, a system, a device, and a medium. The method may include: receiving charging and discharging completion information sent by a battery management system (BMS) during a dispatch process for an electric energy dispatch of a grid dispatch platform that is performed between a grid and a battery of a vehicle by means of a charging and discharging apparatus; determining whether a dispatch mode of the dispatch process is a target dispatch mode according to the charging and discharging completion information; and allowing the BMS to accept the electric energy dispatch of the grid dispatch platform when the dispatch mode is the target dispatch mode.
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34.发明申请公开(公告)号：US20230036620A1
公开(公告)日：2023-02-02
申请号：US17565044
申请日：2021-12-29
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xiyang ZUO , Yu YAN , Jinfeng GAO
Abstract: Embodiments of the present application provide a charging/discharging apparatus, a method for charging a battery and a charging/discharging system, the charging-and-discharging apparatus including a bidirectional AC/DC converter, a first DC/DC converter, and a control unit, where the first DC/DC converter is a bidirectional DC/DC converter; and where the control unit is configured to: receive a first charging current sent by a BMS of a battery, control the bidirectional AC/DC converter and the first DC/DC converter according to the first charging current to charge the battery through an AC power; receive a first discharging current sent by the BMS and discharging a power of the battery according to the first discharging current; and receiving a second charging current sent by the BMS and control the bidirectional AC/DC converter and the first DC/DC converter according to the second charging current to charge the battery through the AC power.
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35.发明申请公开(公告)号：US20230034292A1
公开(公告)日：2023-02-02
申请号：US17565541
申请日：2021-12-30
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xiyang ZUO , Yu YAN , Bao LI , Xiao WANG , Zhanliang LI , Longzhen LIN
Abstract: Embodiments of the present application provide a charging and discharging apparatus, a method for charging a battery and a charging and discharging system, which are capable of ensuring security performance of a battery. The charging and discharging apparatus includes a bidirectional AC/DC converter, a first DC/DC converter, a second DC/DC converter and a control unit. The control unit is configured to: receive a first charging request transmitted by the BMS and control an AC power source and/or an energy storage unit to charge the battery; receive a first discharging request transmitted by the BMS and discharging a power of the battery according to the first discharging request; and receive a second charging request transmitted by the BMS and control the AC power source and/or the energy storage unit to charge the battery.
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36.发明申请公开(公告)号：US20220385165A1
公开(公告)日：2022-12-01
申请号：US17884561
申请日：2022-08-09
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Longzhen LIN , Yu YAN , Jinfeng GAO , Wei ZHANG
Abstract: A control method for a bi-directional DC/DC converter. A source terminal transmits electric energy to a destination terminal sequentially through a first rectifier module and a second rectifier module of the converter. The method includes obtaining a first voltage value output by the first rectifier module in a current control cycle, obtaining a second voltage value output by the second rectifier module in the current control cycle, calculating a theoretical voltage control quantity of the bi-directional DC/DC converter in the current control cycle based on a preset reference voltage value and the second voltage value, and setting an actual output voltage of the bi-directional DC/DC converter in a next control cycle based on the theoretical voltage control quantity and the first voltage value.
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