-
公开(公告)号：US10756770B2
公开(公告)日：2020-08-25
申请号：US16542401
申请日：2019-08-16
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Yizhen Hou , Zhimin Dan , Wei Zhang , Jiechao Luo , Wenbin Lu , Jia Xu , Teng Yu
Abstract: A system comprises an antenna, a port converting device, an information transmission device, a shield case, and a reference voltage end; wherein the antenna, the port converting device, and the information transmission device are connected sequentially, and the information transmission device is disposed within the shield case, and both the shield case and the port converting device is connected with the reference voltage end; the antenna is configured for a conversion between a radio frequency signal and a single-ended signal; the port converting device is configured for a conversion between the single-ended signal and target differential mode signals; the information transmission device is configured to transmit and process the target differential mode signals; and parameters of components in the port converting device is determined according to a preset communication frequency and a voltage amplitude and phase of a differential mode signal.
-
公开(公告)号：US20190064285A1
公开(公告)日：2019-02-28
申请号：US16112719
申请日：2018-08-26
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Jiechao Luo , Wei Zhang , Zhanyu Sun , Yizhen Hou , Zhimin Dan
IPC: G01R31/36
Abstract: A relay diagnosis circuit, diagnosis method, and battery management system are disclosed in the present disclosure. The relay diagnosis circuit may include a first sampling unit, a second sampling unit, a first sampling point, a second sampling point, a reference voltage terminal, and a processor. A first end of the first sampling unit is connected with voltage output end of the power battery pack to be measured and a first end of a relay. A second end of the first sampling unit is connected with the reference voltage terminal and the first sampling point. A first end of the second sampling unit is connected with a second end of the relay. A second end of the second sampling unit is connected with the reference voltage terminal and the second sampling point.
-
53.发明申请公开(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.
-
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.
-
55.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.
-
Patent Agency Ranking
56.发明公开公开(公告)号：US20240154440A1
公开(公告)日：2024-05-09
申请号：US18412262
申请日：2024-01-12
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xiaojian HUANG , Chenghua Fu , Zhimin Dan
CPC classification number: H02J7/0068 , H02J7/0042 , H02J7/007 , H02J7/1423 , H02J2207/20
Abstract: A charge-and-discharge circuit, a charge-and-discharge system and a charge-and-discharge control method are provided. The charge-and-discharge circuit includes: a power supply module including at least a first battery pack; an inverter module including an M-phase bridge arm, where M is a positive integer greater than 0; a charge-and-discharge control module including a charge-and-discharge loop switch bridge arm; and a drive module including an M-phase motor. The first battery pack, the M-phase bridge arm, and the charge-and-discharge loop switch bridge arm are connected in parallel. Junction points between upper and lower bridge arms of the M-phase bridge arm are respectively connected to M phases of windings of the M-phase motor in a one-to-one correspondence manner. A junction point between upper and lower bridge arms of the charge-and-discharge loop switch bridge arm are connected to the M-phase motor.
-
公开(公告)号：US11975632B2
公开(公告)日：2024-05-07
申请号：US17563207
申请日：2021-12-28
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xiaojian Huang , Zhimin Dan , Jinfeng Gao , Jin Huang
IPC: B60L58/27 , B60L1/02 , B60L50/51 , B60L53/22 , B60L58/12 , B60L58/25 , H01M10/615 , H01M10/625 , H01M10/63 , H02M7/537
CPC classification number: B60L58/27 , B60L1/02 , B60L50/51 , B60L53/22 , B60L58/12 , B60L58/25 , H01M10/615 , H01M10/625 , H01M10/63 , H02M7/537 , B60L2210/40 , B60L2240/545 , H01M2220/20
Abstract: The present application provide a control method of a power battery heating system. The method includes: controlling all upper bridge arms of a first bridge arm group and all lower bridge arms of a second bridge arm group to be turned on, and controlling all lower bridge arms of the first bridge arm group and all upper bridge arms of the second bridge arm group to be turned off, so as to form a first loop; controlling all the lower bridge arms of the first bridge arm group and all the upper bridge arms of the second bridge arm group to be turned on, and controlling all the upper bridge arms of the first bridge arm group and all the lower bridge arms of the second bridge arm group to be turned off, so as to form a second loop. The method is used to heat the power battery.
-
公开(公告)号：US11926239B2
公开(公告)日：2024-03-12
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
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.
-
59.发明授权公开(公告)号：US11904728B2
公开(公告)日：2024-02-20
申请号：US17458640
申请日：2021-08-27
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Yanru Li , Xingyuan Wu , Guowei Li , Wei Zhang , Zhimin Dan , Xiyang Zuo
IPC: H01M10/6568 , B60L58/26 , B60H1/00 , H01M10/6563
CPC classification number: B60L58/26 , B60H1/00392 , B60H1/00485 , H01M10/6568 , H01M10/6563
Abstract: This application discloses a thermal management system for a battery pack and a thermal management system for an electric vehicle. the thermal management system for the battery pack includes: a thermal management device for the battery pack, a processor, and a solenoid valve network connected to the thermal management device for the battery pack. An external port of the solenoid valve network is connected to an external cooling system. The processor is configured to control operating status of a solenoid valve in the solenoid valve network, so that the thermal management device for the battery pack heats the battery pack by using heat generated by the external cooling system.
-
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.
-
-
-
-
-
-
-
-
-
Search Results
107
records
(took 0.035 seconds)
