公开(公告)号：US11876160B2

公开(公告)日：2024-01-16

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 ,  H01M10/615 ,  H01M10/63

CPC classification number: H01M10/6571 ,  H01M10/615 ,  H01M10/63

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：US20240208362A1

公开(公告)日：2024-06-27

申请号：US18596661

申请日：2024-03-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuanmiao Zhao ,  Xiaojian Huang ,  Zhanliang Li ,  Yu Yan ,  Xinwei Chen ,  Zhimin Dan

IPC: B60L58/18 ,  H02J7/00

CPC classification number: B60L58/18 ,  H02J7/0013 ,  H02J7/0047 ,  B60L2240/547

Abstract: Provided are a power battery voltage regulation circuit and system, and a control method and a control apparatus therefor. The power battery voltage regulation circuit includes a power module, a heating module, a charge/discharge interface, and a voltage regulation switch assembly, wherein the heating module comprises an energy storage element and a switch module; the power module comprises at least a first power battery and a second power battery; the power module is connected in parallel with the switch module; and an external charge/discharge device is connected in parallel with the power module through the charge/discharge interface; the voltage regulation switch assembly comprises a plurality of switches that are provided between the charge/discharge interface and the power module; and the voltage regulation switch assembly and the switch module are used for regulating, in response to a control signal, a charge/discharge voltage between the external charge/discharge device and the power module.

公开(公告)号：US11901757B2

公开(公告)日：2024-02-13

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 ,  B60L2220/40 ,  H02J7/0024

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：US20240363918A1

公开(公告)日：2024-10-31

申请号：US18765330

申请日：2024-07-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanliang Li ,  Yuanmiao Zhao ,  Yu Yan ,  Zhimin Dan ,  Xiaojian Huang ,  Xinwei Chen

IPC: H01M10/637 ,  B60L58/27 ,  H01M10/615 ,  H01M10/625 ,  H01M10/63 ,  H02J7/00 ,  H02P27/08 ,  H02P29/60

CPC classification number: H01M10/637 ,  H01M10/615 ,  H01M10/625 ,  H01M10/63 ,  H02J7/0063 ,  H02P27/08 ,  H02P29/60 ,  B60L58/27 ,  H01M2220/20

Abstract: Disclosed is a control method of a heating system for a battery. The control method includes: alternately controlling a switch module to be in a first switch state within a first duration and in a second switch state within a second duration; discharging to a power supply module by an energy storage module through a first loop within the first half time T of the first duration, and charging the energy storage module by the power supply module through the first loop within the second half time T of the first duration; and discharging to the power supply module by the energy storage module through a second loop within the first half time T of the second duration, and charging the energy storage module by the power supply module through the second loop within the second half time T of the second duration.

公开(公告)号：US12119697B2

公开(公告)日：2024-10-15

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 ,  H02J7/14

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：US12101052B2

公开(公告)日：2024-09-24

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 ,  B60L50/60 ,  H02P1/02 ,  H02P21/22

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：US20240178686A1

公开(公告)日：2024-05-30

申请号：US18434902

申请日：2024-02-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei Chen ,  Jinbo Cai ,  Jinfeng Gao

IPC: H02J7/00

CPC classification number: H02J7/0048 ,  H02J7/00716 ,  H02J2207/20

Abstract: Disclosed are a control method for a battery system, device, and a battery system, the method comprising: determining that a state of charge (SOC) and a current of a first battery cluster in N battery clusters meet a first preset condition, the first preset condition including: the SOC of the first battery cluster is greater than a first threshold and the current of the first battery cluster is greater than a second threshold or less than a third threshold, wherein the second threshold is set according to a maximum permissible current of the first battery cluster, and the third threshold is set according to an average current of the N battery clusters; and sending first information to a first DCDC converter connected in series with the first battery cluster., the first information being used to instruct controlling the current of the first battery cluster to reach a first preset current.

公开(公告)号：US20240421625A1

公开(公告)日：2024-12-19

申请号：US18817190

申请日：2024-08-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuanmiao Zhao ,  Zhanliang Li ,  Yu Yan ,  Xinwei Chen ,  Jinfeng Gao ,  Zhimin Dan

IPC: H02J7/00 ,  H01M10/42 ,  H01M10/44 ,  H01M10/46

Abstract: The present application provides a power battery voltage regulation circuit, including a power battery, a heating module, a charging and discharging interface, and a voltage regulation switch assembly; the heating module includes an energy storage element and a switch module; the power battery and the switch module are connected in parallel; an external charging and discharging device is connected in parallel with the power battery through the charging and discharging interface; the voltage regulation switch assembly includes multiple switches, and the multiple switches are arranged between the charging and discharging interface and the power battery; and the voltage regulation switch assembly and the switch module are configured to adjust the charging and discharging voltages between the external charging and discharging device and the power battery in response to a voltage regulation control signal.

公开(公告)号：US12068466B2

公开(公告)日：2024-08-20

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 ,  G01R31/36 ,  G01R31/367 ,  H01M10/633

CPC classification number: H01M10/615 ,  G01R31/3648 ,  G01R31/367 ,  H01M10/633 ,  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.

公开(公告)号：US20240235243A1

公开(公告)日：2024-07-11

申请号：US18619178

申请日：2024-03-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuanmiao Zhao ,  Zhanliang Li ,  Yu Yan ,  Xinwei Chen ,  Jinfeng Gao ,  Zhimin Dan

IPC: H02J7/00 ,  B60L58/10

CPC classification number: H02J7/007182 ,  B60L58/10 ,  H02J7/0013 ,  B60L2240/547

Abstract: A power battery voltage regulation system, and a control method and control apparatus thereof are provided. The control method includes: obtaining a first voltage and a second voltage, where the first voltage is a voltage of a power battery, the second voltage is a maximum output voltage of a charging device, and the charging device is configured to connect to a charging and discharging interface.