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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
发明人： Zhanliang Li , Yuanmiao Zhao , Yu Yan , Zhimin Dan , Xiaojian Huang , Xinwei Chen
IPC分类号： H01M10/637 , B60L58/27 , H01M10/615 , H01M10/625 , H01M10/63 , H02J7/00 , H02P27/08 , H02P29/60
CPC分类号： H01M10/637 , H01M10/615 , H01M10/625 , H01M10/63 , H02J7/0063 , H02P27/08 , H02P29/60 , B60L58/27 , H01M2220/20
摘要： 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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公开(公告)号：US12119697B2
公开(公告)日：2024-10-15
申请号：US18594808
申请日：2024-03-04
发明人： Yuanmiao Zhao , Zhimin Dan , Yu Yan , Zhanliang Li , Xiaojian Huang , Xinwei Chen
CPC分类号： H02J7/00712 , B60L58/18 , H02J7/0014 , B60L2240/547
摘要： 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：US12068466B2
公开(公告)日：2024-08-20
申请号：US18450375
申请日：2023-08-15
发明人： Xinwei Chen , Yu Yan , Zhimin Dan , Zhanliang Li , Yizhen Hou , Wei Zhang
IPC分类号： H01M10/615 , G01R31/36 , G01R31/367 , H01M10/633
CPC分类号： H01M10/615 , G01R31/3648 , G01R31/367 , H01M10/633 , H01M2220/20
摘要： 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.
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4.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
发明人： Yuanmiao Zhao , Zhanliang Li , Yu Yan , Xinwei Chen , Jinfeng Gao , Zhimin Dan
CPC分类号： H02J7/007182 , B60L58/10 , H02J7/0013 , B60L2240/547
摘要： 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：US11926239B2
公开(公告)日：2024-03-12
申请号：US17709473
申请日：2022-03-31
发明人： Zhanliang Li , Zhimin Dan , Yu Yan , Miaomiao Zhang
摘要： 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.
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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
发明人： Xinwei CHEN , Zhimin Dan , Yu Yan , Yuanmiao Zhao , Zhanliang Li , Yizhen Hou
IPC分类号： H01M10/615 , H01M10/48 , H01M10/633 , G01R31/367 , G01R31/3842
CPC分类号： H01M10/615 , H01M10/486 , H01M10/633 , G01R31/367 , G01R31/3842
摘要： 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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公开(公告)号：US12115878B2
公开(公告)日：2024-10-15
申请号：US17712085
申请日：2022-04-02
发明人： Zhanliang Li , Yu Yan , Zhimin Dan , Miaomiao Zhang
CPC分类号： B60L53/80 , B60L53/53 , B60S5/06 , H02J3/322 , H02J7/0013 , H02J7/007 , B60L53/63 , B60L58/12 , H02J7/02
摘要： The embodiments of the present application provide a method, apparatus, device, and medium for electric energy transmission. The method includes: determining a resource value of a unit of electric energy of a grid at a target time; under a condition that the resource value is greater than or equal to a first resource threshold, determining a number of available batteries in a battery swapping station and an ordered number of batteries in the battery swapping station within a target time period; and under a condition that the number of available batteries is greater than a number of reserved batteries, controlling a charging and discharging module to transmit electric energy of a first battery in the battery swapping station to the grid.
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公开(公告)号：US12095301B2
公开(公告)日：2024-09-17
申请号：US17980860
申请日：2022-11-04
发明人： Shuyun Xiong , Yu Yan , Zhimin Dan , Zhanliang Li , Weiping Sun
CPC分类号： H02J7/00711 , B60L53/62 , B60L58/12 , H01M10/425 , H01M10/443 , H01M10/46 , H02J7/00036 , H02J7/0047 , H02J7/00712 , H02J7/007194 , B60L53/66 , H01M2010/4271 , H01M2220/20
摘要： A charging method, a battery management system for a traction battery and a charging pile are provided, 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.
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公开(公告)号：US20230395890A1
公开(公告)日：2023-12-07
申请号：US18446351
申请日：2023-08-08
发明人： Yuanmiao ZHAO , Zhanliang Li , Zhimin DAN , Xiaojian HUANG
IPC分类号： H01M10/615 , H01M10/63 , H01M10/625 , H01M10/44
CPC分类号： H01M10/615 , H01M10/63 , H01M2220/20 , H01M10/443 , H01M10/625
摘要： A heating circuit for a battery, a control method therefor, a battery, and an electric vehicle are provided. The battery includes a first battery bank and a second battery bank, and the heating circuit includes a switch module, a heating module, and a control module. The switch module is connected to each of the first battery bank and the second battery bank. The heating module is connected to each of the first battery bank, the second battery bank, and the switch module. The control module is connected to each of the switch module and the heating module. The control module is configured to control the switch module to switch the battery to a heating state, and is configured to control the heating module when the battery is in the heating state, such that the first battery bank, the heating module, and the second battery bank form a loop.
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10.发明申请公开(公告)号：US20220407338A1
公开(公告)日：2022-12-22
申请号：US17561239
申请日：2021-12-23
发明人： Zhanliang Li , Yu Yan , Zhimin Dan , Shuyun Xiong , Weiping Sun , Xiyang Zuo
IPC分类号： H02J7/00 , G01R31/382
摘要： The present application provides a charging control method and apparatus, a battery management system and a readable storage medium. The charging control method includes: obtaining a battery temperature and a battery state of charge; determining a pulse charging frequency according to the battery temperature, the battery state of charge and a pre-calibrated corresponding relationship; obtaining a preset waveform characteristic of a pulse charging waveform; where the waveform characteristic includes a ratio range of an area of a positive pulse waveform to an area of a negative pulse waveform in each pulse cycle of the pulse charging waveform; and generating a charging request according to the pulse charging frequency and the waveform characteristic and transmitting the charging request to a charging device. The method is used for improving charging stability and safety of a battery.
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