公开(公告)号：US20220239140A1

公开(公告)日：2022-07-28

申请号：US17547691

申请日：2021-12-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanliang LI ,  Zhimin DAN ,  Yu YAN ,  Weiping SUN ,  Shuyun XIONG

IPC: H02J7/00

Abstract: An embodiment of the present application discloses a charging method, including: acquiring a state parameter of a power battery by a power conversion apparatus; setting a charging mode to a pulse charging mode by the power conversion apparatus when the battery temperature is lower than a first preset threshold; and converting charging power of a charging apparatus and then charging the power battery by the power conversion apparatus in the pulse charging mode. Through the technical solution, the power conversion apparatus acquires a battery temperature of the power battery, when the battery temperature is lower than the first preset threshold, the power conversion apparatus converts the charging power output by the charging apparatus, and outputs a pulse current to charge the tract battery, to prevent the charging apparatus directly charging the power battery in a low temperature, thereby ensuring the performance of the power battery.

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.

公开(公告)号：US20230395899A1

公开(公告)日：2023-12-07

申请号：US18453056

申请日：2023-08-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei CHEN ,  Zhimin DAN ,  Chengyong LIU ,  Wei ZHANG ,  Yu YAN ,  Xian HUANG

IPC: H01M10/657 ,  H02J7/00 ,  H01M10/42 ,  H01M10/48 ,  H01M10/625 ,  H01M10/615

CPC classification number: H01M10/657 ,  H02J7/0063 ,  H02J7/0047 ,  H01M10/4264 ,  H01M10/48 ,  H01M10/625 ,  H01M10/615 ,  H01M2220/20 ,  H01M2010/4271

Abstract: A heating method traction battery. The traction battery is connected to a switch circuit of a motor and configured to supply power to the motor via the switch circuit. The switch circuit includes multiple legs and the multiple legs are connected to the traction battery in parallel. The method includes: receiving a heating signal sent by a battery management system of the traction battery; and controlling, according to the heating signal, at least one of the multiple legs to form a short-circuit loop of the traction battery, the short-circuit loop being configured to discharge the traction battery and heat the traction battery during the discharging process.

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

IPC: H02J7/00 ,  H01M10/04 ,  H01M10/44

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.

公开(公告)号：US20230208181A1

公开(公告)日：2023-06-29

申请号：US17903853

申请日：2022-09-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huaisen ZHANG ,  Yuan YAO ,  Meng LI ,  Weichen HE ,  Guiying LIN ,  Yu YAN

IPC: H02J7/00

CPC classification number: H02J7/007194 ,  H02J7/00032 ,  H02J7/00309 ,  H02J7/0013

Abstract: The present application relates to a method and apparatus of power distribution control for power module and a power module device. The method includes: obtaining temperature data of target devices in two or more power modules; analyzing whether the power modules are operating at full power when the temperature data of the target devices meets a preset temperature fault condition; and adjusting operating parameters of the power modules based on the temperature data when the power modules are not operating at full power.

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

IPC: B60L53/62 ,  H02J7/00 ,  B60L53/66

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.

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

IPC: B60L53/66 ,  B60L53/80 ,  B60L53/30 ,  B60L58/12 ,  G07C9/30 ,  H04W4/80

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.

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

IPC: H02J7/00 ,  B60L58/18

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.

公开(公告)号：US20240072549A1

公开(公告)日：2024-02-29

申请号：US18384605

申请日：2023-10-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei CHEN ,  Xiangtao LI ,  Yu YAN ,  Zhimin DAN ,  Qidong LOU

IPC: H02J7/00

CPC classification number: H02J7/00308 ,  H02J7/0016 ,  H02J2207/20

Abstract: An energy storage apparatus includes a control circuit, multiple battery clusters connected in parallel, and switch circuits corresponding to the battery clusters. The switch circuit includes a first switch and a protection circuit connected in parallel. The control circuit is connected to each first switch and each protection circuit. Each battery cluster is connected to the corresponding first switch and protection circuit. The control circuit is configured to control, according to a high voltage on signal, the protection circuit to be closed and the first switch to be opened.

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

IPC: B60L58/27 ,  H02J7/00

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.