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11.发明申请公开(公告)号：US20220239135A1
公开(公告)日：2022-07-28
申请号：US17540436
申请日：2021-12-02
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhanliang LI , Yu YAN , Shuyun XIONG , Weiping SUN , Zhimin DAN
Abstract: The present application provide a power supply control method for a power conversion apparatus, where the power conversion apparatus is configured to conduct a power conversion between a charging apparatus and a power battery, the method includes: conducting a power-on self-test with the charging apparatus of auxiliary power by the power conversion apparatus; determining a power supply priority order of the charging power and the power battery on the basis of a state parameter of the power battery under the condition that the self-test of the power conversion apparatus succeeds; determining the one of the charging power of the charging apparatus and the power battery with a higher power supply priority as a current working power of the power conversion apparatus by the power conversion apparatus. The method of the present application can provide a stable working power for the power conversion apparatus without additional power supply device.
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12.发明公开公开(公告)号：US20240250548A1
公开(公告)日：2024-07-25
申请号：US18594808
申请日：2024-03-04
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuanmiao ZHAO , Zhimin DAN , Yu YAN , Zhanliang LI , Xiaojian HUANG , Xinwei CHEN
CPC classification number: H02J7/00712 , B60L58/18 , H02J7/0014 , B60L2240/547
Abstract: A voltage regulation circuit for traction battery includes a traction battery, a heating module, a charge/discharge interface, and a voltage regulation module. The heating module includes a power storage element and a switch module. The traction battery is connected in parallel to the switch module. An external charging and discharging device is connected in parallel to the traction battery through the charge/discharge interface. The voltage regulation module includes a plurality of switches and a power storage regulation element, and the plurality of switches and the power storage regulation element are disposed between the charge/discharge interface and the traction battery. The voltage regulation module and the switch module are configured to regulate, in response to a voltage regulation control signal, a charge/discharge voltage between the traction battery and the power storage element and a charge voltage of the external charging and discharging device for the traction battery.
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公开(公告)号：US20240010103A1
公开(公告)日：2024-01-11
申请号：US18370418
申请日：2023-09-20
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhanliang LI , Yu YAN , Zhimin DAN , Xinwei CHEN , Yuanmiao ZHAO , Xiaojian HUANG , Jinfeng GAO
CPC classification number: B60L58/27 , H02J7/007194 , H02J7/00714 , H02J7/007182 , H02J7/0047 , B60L2210/10 , H02J2207/20
Abstract: Embodiments of the present application provide a battery heating method, a charging device, and a battery management system, which can effectively heat a power battery. The method may be performed by a charging device, the method including: receiving first instruction information from a control device of a power battery before the charging device charges the power battery, where the first instruction information may be used to instruct the charging device to heat the power battery; and heating the power battery according to the first instruction information.
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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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15.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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Patent Agency Ranking
公开(公告)号：US20220239121A1
公开(公告)日：2022-07-28
申请号：US17711284
申请日：2022-04-01
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhanliang LI , Shuyun XIONG , Zhimin DAN
Abstract: A charging method is provided, which includes: acquiring a state parameter of a traction battery, the state parameter including a battery temperature; sending first charging mode demand information to a charging pile when the battery temperature is lower than a first preset threshold, where the first charging mode demand information is used for indicating a pulse charging mode, the pulse charging mode is a charging mode using a pulsed voltage or a pulsed current, and the pulsed voltage or the pulsed current is used for charging the traction battery. According to the technical solution of the embodiment of the application, the charging pile can output pulse current to charge the traction battery, so as to prevent the performance of the traction battery from being affected by directly charging the traction battery at a low temperature, thereby ensuring the performance of the traction battery.
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公开(公告)号：US20240304890A1
公开(公告)日：2024-09-12
申请号：US18669698
申请日：2024-05-21
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhanliang LI , Yuanmiao ZHAO , Yu YAN , Xinwei CHEN , Xiyang ZUO , Xiaojian HUANG , Zhimin DAN
IPC: H01M10/637 , H01M10/615 , H02J7/00 , H02J7/34 , H02M3/335
CPC classification number: H01M10/637 , H01M10/615 , H02J7/007194 , H02J7/34 , H02M3/33584
Abstract: The present application discloses a charging apparatus, which comprises: a direct current (DC) source; a bidirectional DC converter connected between the DC source and a charging port of the charging apparatus; a pulse heating module connected in parallel with the bidirectional DC converter; and a controller configured for: selecting, when a heating request is received and according to a heating frequency requirement of a battery, one of the pulse heating module and the bidirectional DC converter to heat the battery. The present application also relates to a method for heating a battery and a storage medium.
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18.发明公开公开(公告)号：US20230291219A1
公开(公告)日：2023-09-14
申请号：US18320035
申请日：2023-05-18
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhanliang LI , Huanle ZHOU , Meng LI , Xiyang ZUO , Yu YAN , Zhimin DAN
CPC classification number: H02J7/0068 , H01M10/0404 , H01M10/446 , H02J2207/20
Abstract: A battery formation apparatus includes a DC-DC conversion module, an additional power supply, and a control circuit. Low-voltage and high-voltage terminals of the DC-DC conversion module are electrically connected to the control circuit and a DC bus, respectively. The DC-DC conversion module is configured to, when a battery unit discharges into the battery formation apparatus, convert a first voltage input into a second voltage greater than the first voltage, and output the second voltage. The additional power supply is electrically connected to the control circuit, and configured to output an additional voltage. The control circuit is electrically connected to the battery unit, the low-voltage terminal of the DC-DC conversion module, and the additional power supply. The control circuit is configured to serially connect the low-voltage terminal of the DC-DC conversion module, the battery unit, and the additional power supply when the battery unit discharges into the battery formation apparatus.
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公开(公告)号：US20230070522A1
公开(公告)日：2023-03-09
申请号：US17981551
申请日：2022-11-07
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Shuyun XIONG , Zhimin DAN , Yu YAN , Zhanliang LI , Weiping SUN
Abstract: Embodiments of the present application provides a charging method and a power conversion equipment, which can effectively ensure a normal charging of a traction battery. The charging method is used for charging the traction battery, the method includes: obtaining, by a power conversion equipment, a battery state parameter of the traction battery; sending, by the power conversion equipment, a charging information to a charging pile, the charging information includes a direct current charging parameter calculated from a pulse charging parameter; receiving, by the power conversion equipment, a direct current output by the charging pile, on the basis of the direct current charging parameter; converting, by the power conversion equipment, the direct current into a pulse current on the basis of the pulse charging parameter, the pulse current is used for charging the traction battery; where, the battery state parameter is used for determining the pulse charging parameter.
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公开(公告)号：US20230069189A1
公开(公告)日：2023-03-02
申请号：US17709473
申请日：2022-03-31
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Zhanliang LI , Zhimin DAN , Yu YAN , Miaomiao ZHANG
Abstract: Embodiments of the present application provide a vehicle control method, module, and system, a device and a medium. The method includes: acquiring, under a condition that it is determined to install a target battery provided by a battery swapping station for the vehicle, a network address of a first battery management unit of the target battery; requesting to establish a wireless communication connection between a control module and the first battery management unit, based on the network address of the first battery management unit of the target battery; transmitting, under a condition that the wireless communication connection between the control module and the first battery management unit is successfully established, a first prompt signal to a target object, where the first prompt signal is used to prompt the target object to perform a relevant operation for allowing the vehicle to leave a battery swapping area.
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