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：US20230208327A1

公开(公告)日：2023-06-29

申请号：US17880690

申请日：2022-08-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei CHEN ,  Yuanmiao ZHAO ,  Da XIE ,  Yiqi LIANG ,  Yizhen HOU ,  Zhimin DAN

IPC: H02P6/21 ,  H02P1/02 ,  H02P21/22 ,  B60L50/60

CPC classification number: H02P6/21 ,  B60L50/60 ,  H02P1/029 ,  H02P21/22

Abstract: An electric vehicle control system and a control method, an electric vehicle power-on method, an electric vehicle power-off method, and an electric vehicle charging method are disclosed in this application. The control system includes a domain, control unit controlling an electric vehicle, a current sampling unit sampling the current of a power battery and a motor of the electric vehicle and sending sampling signals to the domain control unit, and electrical device, driven by the power battery, sampling the current flowing through it and sending the sampling signals to the domain control unit. The domain control unit, according to the sampling signals sent by the electrical device and the current sampling unit, manages the power battery and controls a motor driver module and the electrical device. The structure of the control system and the control policy are simplified and the power-on and power-off time is shortened.

公开(公告)号：US20230198282A1

公开(公告)日：2023-06-22

申请号：US18172535

申请日：2023-02-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H02J7/00

CPC classification number: H02J7/007194 ,  H02J7/0013

Abstract: A self-heating control circuit includes a control module configured to obtain a cell temperature of each of two battery packs connected in parallel and send a trigger signal in response to the cell temperature being lower than a threshold. The two battery packs include a first battery pack and a second battery pack. The control circuit further includes a switch module disposed at a charging and discharging circuit of the first battery pack. A control terminal of the switch module is connected to the control module and is configured to cut off the charging and discharging circuit upon reception of the trigger signal. The control circuit also includes an excitation module configured to form a path with the two battery packs upon cut-off of the charging and discharging circuit, and generate an excitation current, so that the excitation current flows back and forth between the two battery packs.

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：US20230146978A1

公开(公告)日：2023-05-11

申请号：US18148126

申请日：2022-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei CHEN ,  Zhimin DAN ,  Chengyong LIU ,  Wei ZHANG ,  Yizhen HOU ,  Xian HUANG

IPC: H01M10/6571 ,  H02J7/00 ,  H01M10/615 ,  H01M10/63 ,  B60L58/27

CPC classification number: H01M10/6571 ,  H02J7/0013 ,  H02J7/0063 ,  H01M10/615 ,  H01M10/63 ,  B60L58/27

Abstract: A heating system includes first and second input ends, first and second battery modules, first switch and second switches, and a control unit. The first switch is connected between first terminals of the first and second battery modules. Second terminals of the first and second battery modules are connected to each other. The second switch is connected between the first input end and the first terminal of the second battery module. The second input end is connected to the first terminal of the first battery module. The first terminals of the first and second battery modules have a same polarity, and the second terminals of the first and second battery modules have a same polarity. The control unit is connected to the first and second switches, and configured to control the first and second switches to be turned on or off.

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：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.