公开(公告)号：US20240250332A1

公开(公告)日：2024-07-25

申请号：US18625899

申请日：2024-04-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wei CHEN ,  Yuanmiao ZHAO ,  Xianxi PAN ,  Xiaojian HUANG ,  Yu YAN ,  Zhimin DAN

IPC: H01M10/63 ,  H01M10/42 ,  H01M10/44 ,  H01M10/615 ,  H02J7/00

CPC classification number: H01M10/63 ,  H01M10/4264 ,  H01M10/443 ,  H01M10/615 ,  H02J7/0042 ,  H02J7/0047 ,  H02J7/0063 ,  H02J7/007194

Abstract: A device and method for heating a battery are provided. The device is provided on a first power-consuming device and includes: a first interface electrically coupled to a neutral point of a motor winding of the first power-consuming device; a second interface electrically coupled to a negative electrode of a battery of the first power-consuming device; and a control module coupled to a control system of the first power-consuming device and a control system of a second power-consuming device to coordinate and control the first power-consuming device and the second power-consuming device. The first interface is engageable with a third interface electrically coupled to a neutral point of a motor winding of the second power-consuming device. The second interface is engageable with a fourth interface electrically coupled to a negative electrode of a battery of the second power-consuming device. The control module is configured to perform a battery heating step.

公开(公告)号：US20240213786A1

公开(公告)日：2024-06-27

申请号：US18595459

申请日：2024-03-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei CHEN ,  Xiangtao LI ,  Xianxi PAN ,  Tianyi HUANG ,  Yu YAN ,  Zhimin DAN

IPC: H02J7/00

CPC classification number: H02J7/0018 ,  H02J7/0016 ,  H02J7/0048 ,  H02J7/00714 ,  H02J7/007182 ,  H02J2207/20

Abstract: This application relates to a control method, an apparatus, a device, a storage medium, and a program product for an energy storage system. The method may include: obtaining a first cluster voltage of a target battery cluster in the energy storage system; determining a second cluster voltage based on the first cluster voltage and a preset redundancy voltage, and determining an output voltage of a first regulator corresponding to the target battery cluster in the energy storage system based on a bus voltage and the second cluster voltage, where the redundancy voltage may be within a regulation range of the first regulator; and controlling the output voltage of the first regulator for voltage regulation on the target battery cluster.

公开(公告)号：US20240178473A1

公开(公告)日：2024-05-30

申请号：US18434388

申请日：2024-02-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanliang LI ,  Yu YAN ,  Zhimin DAN ,  Yuanmiao ZHAO ,  Xinwei CHEN ,  Jinfeng GAO ,  Xiaojian HUANG

IPC: H01M10/637 ,  B60L53/30 ,  B60L53/53 ,  B60L58/27 ,  H01M10/42 ,  H01M10/615 ,  H02J7/00 ,  H02J7/02

CPC classification number: H01M10/637 ,  B60L53/30 ,  B60L53/53 ,  B60L58/27 ,  H01M10/425 ,  H01M10/615 ,  H02J7/0068 ,  H02J7/02 ,  B60L2210/10 ,  B60L2210/30 ,  H01M2010/4271 ,  H01M2220/20 ,  H02J2207/20

Abstract: A battery heating apparatus includes a voltage transformation module and a control module. The voltage transformation module includes a first voltage transformation circuit configured to connect a charging apparatus, a first switch module connected to the first voltage transformation circuit, a second voltage transformation circuit configured to connect a power battery, and an energy storage element and a second switch module connected to the second voltage transformation circuit. The control module is configured to, in a first heating mode, control the first switch module to turn off the first voltage transformation circuit, and control the second switch module so that the second voltage transformation circuit and the energy storage element form a loop for discharging from the power battery to the energy storage element and a loop for charging the power battery by the energy storage element, for heating the power battery during discharging and charging.

公开(公告)号：US20230378791A1

公开(公告)日：2023-11-23

申请号：US18229681

申请日：2023-08-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuanmiao ZHAO ,  Xiaojian HUANG ,  Zhanliang LI ,  Yu YAN ,  Xinwei CHEN ,  Zhimin DAN

IPC: H02J7/00 ,  B60L50/60 ,  B60L50/51

CPC classification number: H02J7/007 ,  B60L50/60 ,  B60L50/51 ,  H02J7/0024 ,  B60L2220/40

Abstract: A control method may include: controlling a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a first leg, and a second leg set to turn on or off, to form in a first period a circuit loop for a charge/discharge module to discharge to a motor and to form in a second period a circuit loop for the charge/discharge module and the motor to charge a first electric vehicle battery group and a second electric vehicle battery group or form in the second period a circuit loop for the motor to charge the first electric vehicle battery group and the second electric vehicle battery group.

公开(公告)号：US20230238874A1

公开(公告)日：2023-07-27

申请号：US18295925

申请日：2023-04-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jinfeng GAO ,  Weichen HE ,  Yuan YAO ,  Yu YAN

IPC: H02M1/00 ,  H02M3/00

CPC classification number: H02M1/0054 ,  H02M3/01 ,  H02M1/0009

Abstract: An isolated resonant conversion control apparatus includes a voltage and current obtaining unit configured to obtain an output voltage and an output current of an output-side switch transistor of an isolated resonant conversion unit, and a processing unit configured to calculate a switching frequency of an input-side switch transistor of the isolated resonant conversion unit based on the output voltage and the output current, obtain a turn-on offset time and a turn-off offset time of the output-side switch transistor relative to the input-side switch transistor based on the switching frequency of the input-side switch transistor, obtain a duty ratio of a second driving signal based on a duty ratio of a first driving signal, the turn-on offset time, and the turn-off offset time, and generate the second driving signal based on the switching frequency and the duty ratio of the second driving signal.

公开(公告)号：US20230231218A1

公开(公告)日：2023-07-20

申请号：US17896107

申请日：2022-08-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanliang LI ,  Zhimin DAN ,  Yu YAN ,  Xiaojian HUANG ,  Xiyang ZUO ,  Yuanmiao ZHAO ,  Xiao WANG

IPC: H01M10/633 ,  B60L58/27 ,  H02J7/00 ,  H01M10/615 ,  H01M10/625

CPC classification number: H01M10/633 ,  B60L58/27 ,  H02J7/0068 ,  H01M10/615 ,  H01M10/625

Abstract: Embodiments of this application provide a DC/DC conversion circuit, a power unit, a charging pile, and a charge-discharge heating method. The circuit includes: a first rectifier module, where an input end of the first rectifier module is connected to a power grid through an AC/DC conversion circuit; a transformer module, where an input end of the transformer module is connected to an output end of the first rectifier module; an energy storage module; and a second rectifier module, where an input end of the second rectifier module is configured to connect to an output end of the transformer module or the energy storage module, and an output end of the second rectifier module is configured to connect to a battery pack of an electric vehicle when the charging pile is charging the electric vehicle.

公开(公告)号：US20230127005A1

公开(公告)日：2023-04-27

申请号：US17903237

申请日：2022-09-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei CHEN ,  Yiqi LIANG ,  Yizhen HOU ,  Zhimin DAN ,  Yu YAN ,  Qidong LOU

IPC: B60L15/20 ,  H01M10/633 ,  H01M10/625

Abstract: A thermal management method includes obtaining a predicted temperature including a predicted value of an operating temperature of a target device, and controlling the target device to switch a thermal management according to the predicted temperature mode. The thermal management mode is used to adjust the operating temperature of the target device.

公开(公告)号：US20230076134A1

公开(公告)日：2023-03-09

申请号：US17980860

申请日：2022-11-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H02J7/00 ,  B60L53/62 ,  B60L58/12 ,  B60L58/30 ,  H01M10/44 ,  H01M10/46 ,  H01M10/42

Abstract: Embodiments of the present application provide a charging method, a battery management system for a traction battery and a charging pile, which can effectively ensure normal charging of an electric vehicle. The charging method is used for charging a traction battery, and the method includes: determining, by the battery management system (BMS) of the traction battery, a pulse charging demand parameter according to a battery state parameter of the traction battery; and sending a pulse charging information to a charging pile by the BMS, the pulse charging information including the pulse charging demand parameter for indicating the charging pile to output a pulse current for charging the traction battery.

公开(公告)号：US20230035145A1

公开(公告)日：2023-02-02

申请号：US17715203

申请日：2022-04-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu YAN ,  Xiyang ZUO ,  Diping LIU ,  Haili LI ,  Zhanliang LI ,  Zhimin DAN

IPC: H02J7/00

Abstract: The embodiments of the present application provide a method for charging a battery, a battery management system, and a charge and discharge device. The method for charging the battery includes: acquiring, by a BMS, a first charge current and sending it to a charge and discharge device, thus making the charge and discharge device charge the battery based on the first charge current; if a first accumulated charge quantity of the battery is greater than or equal to a first accumulated charge quantity threshold value, acquiring, by the BMS, a first discharge current and sending it to the charge and discharge device, thus making the charge and discharge device control the battery to discharge based on the first discharge current; and if a first accumulated discharge quantity of the battery is greater than or equal to a first accumulated discharge quantity threshold value.

公开(公告)号：US20230031352A1

公开(公告)日：2023-02-02

申请号：US17563513

申请日：2021-12-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu YAN ,  Xiyang ZUO ,  Zhimin DAN ,  Haili LI ,  Shan HUANG ,  Shichao LI

IPC: H02J7/00 ,  B60L50/60 ,  B60L58/12 ,  H01M10/42

Abstract: Embodiments of the application provide a method for charging battery a charging and discharging device, which can ensure the safety performance of the battery. The charging and discharging device includes a first DC/DC converter, a unidirectional AC/DC converter and a control unit, where the first DC/DC converter is a unidirectional DC/DC converter, and the control unit is configured to: receive a first charging current and control the unidirectional AC/DC converter and the first DC/DC converter to charge a battery through an AC power source based on the first charging current; receive a first discharging current, and control the battery to release power based on the first discharging current; and receive a second charging current, and control the unidirectional AC/DC converter and the first DC/DC converter to charge the battery through the AC power source based on the second charging current.