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1.发明公开公开(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
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.
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2.发明授权公开(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
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.
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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.
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Patent Agency Ranking
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
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：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
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.
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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
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.
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7.发明公开公开(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
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.
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公开(公告)号：US20230402672A1
公开(公告)日：2023-12-14
申请号：US18456302
申请日：2023-08-25
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xinwei CHEN , Zhimin Dan , Yu Yan , Yuanmiao Zhao , Zhanliang Li , Yizhen Hou
IPC: H01M10/615 , H01M10/48 , H01M10/633 , G01R31/367 , G01R31/3842
CPC classification number: H01M10/615 , H01M10/486 , H01M10/633 , G01R31/367 , G01R31/3842
Abstract: Embodiments of the present disclosure provide a battery heating method, apparatus, device and storage medium. A battery heating method includes: acquiring a first temperature and a first state of charge of a battery; determining a first current frequency based on the first temperature, the first state of charge, and one or more preset first data tables, the first data tables including correspondence between the first temperature, the first state of charge, and the first current frequency under a condition of a first current amplitude; heating the battery based on the first current amplitude and the first current frequency. In the embodiments of the present disclosure, the current frequency and amplitude used for internal heating can be determined based on the temperature of the battery to improve the heating rate of the battery at various temperature environments.
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