公开(公告)号：EP4287363A1

公开(公告)日：2023-12-06

申请号：EP22779021.9

申请日：2022-03-30

Applicant: BYD Company Limited

Inventor： FANG, Cheng ,  PENG, Qingbo ,  XIONG, Bojun ,  E, Congji ,  GAO, Jian

IPC: H01M50/10

Abstract: The present disclosure relates to a battery pack power connection system and a vehicle. The battery pack power connection system comprises a battery pack, a tray, a distribution box, a first drive connector, and a power connector. The battery pack comprises a plurality of battery cores. The tray is configured to support the battery pack. The distribution box is configured to distribute input or output information of the battery pack. One end of the first drive connector is connected with a first power system. The power connector is arranged in a cavity inner space of the tray, and the power connector is located between the plurality of battery cores. One end of the power connector is connected with the distribution box, and another end of the power connector is connected with another end of the first drive connector.

公开(公告)号：EP4331896A1

公开(公告)日：2024-03-06

申请号：EP22874360.5

申请日：2022-07-06

Applicant: BYD Company Limited

Inventor： ZHANG, Ke ,  E, Congji ,  GUO, Zizhu ,  PAN, Yi ,  LU, Zhipei

IPC: B60L50/60 ,  B60L58/10

Abstract: A battery pack and a vehicle are provided. The battery pack is configured to provide electric energy required by the vehicle under different operating conditions. The battery pack includes a task manager, a first battery unit and a second battery unit. The first battery unit and the second battery unit respectively respond to a different operating state of a load and provide the electric energy required under the control of the task manager.

公开(公告)号：EP4391255A1

公开(公告)日：2024-06-26

申请号：EP22909609.4

申请日：2022-11-18

Applicant: BYD Company Limited

Inventor： GAO, Jian ,  E, Congji ,  ZHAO, Xiaopeng ,  PENG, Qingbo ,  WU, Zhenhan ,  WANG, Chengzhi

IPC: H02B1/24 ,  H01M50/519

CPC classification number: Y02E60/10 ,  B60L3/00 ,  B60L50/64 ,  H01M10/42 ,  H01M10/48 ,  H01M50/249 ,  H01M50/519 ,  H02B1/24 ,  H02J7/00

Abstract: The present disclosure provide a power distribution apparatus, a battery pack, and a vehicle. The power distribution apparatus includes: a base, a high-voltage connection part and a low-voltage connection part being fixed on the base; a high-voltage loop, at least a portion of the high-voltage loop being arranged on the base, the high-voltage loop being electrically connected to the high-voltage connection part, the high-voltage loop having a module positive-electrode connection end and a module negative-electrode connection end, and the high-voltage loop including a main disconnecting switch core fixed on the base; a circuit board, the circuit board being arranged on the base; a low-voltage loop, the low-voltage loop being integrated into the circuit board and being electrically connected to the low-voltage connection part; and a plurality of high-and-low-voltage tabs, an end of each high-and-low-voltage tab being connected to the high-voltage loop for electrical connection, and another end of the high-and-low-voltage tab being plugged into the circuit board for electrical connection with the low-voltage loop. The power distribution apparatus in the embodiments of the present disclosure has advantages such as a simple and compact structure, high space utilization, a small volume, a light weight, and low costs.

公开(公告)号：EP4389495A1

公开(公告)日：2024-06-26

申请号：EP22909614.4

申请日：2022-11-18

Applicant: BYD Company Limited

Inventor： E, Congji ,  GAO, Jian ,  PENG, Qingbo ,  WU, Zhenhan ,  WANG, Chengzhi

IPC: B60L3/00 ,  H02J7/00

CPC classification number: Y02E60/10 ,  B60L3/00 ,  B60L50/64 ,  H01M10/42 ,  H01M10/48 ,  H01M50/249 ,  H01M50/519 ,  H02B1/24 ,  H02J7/00

Abstract: The present disclosure provides a power distribution apparatus, a battery pack, and a vehicle. The power distribution apparatus includes: a base, the base being configured with an interface area, a high-voltage connection part and a low-voltage connection part being fixed in the interface area; a high-voltage loop, at least a portion of the high-voltage loop being arranged on the base, the high-voltage loop overlapping with the high-voltage connection part for electrical connection, the high-voltage loop having a battery positive-electrode connection end and a battery negative-electrode connection end, components connected in the high-voltage loop being electrically connected through overlapping, the high-voltage loop including a main disconnecting switch core, and the main disconnecting switch core being fixed on the base and the main disconnecting switch core and the base jointly forming a first module; a circuit board, the circuit board being arranged on the base; and a low-voltage loop, the low-voltage loop being integrated into the circuit board and the low-voltage loop and the circuit board jointly forming a second module, and the high-voltage loop and the low-voltage connection part being respectively plugged into the circuit board and electrically connected to the low-voltage loop. The power distribution apparatus in the embodiments of the present disclosure has advantages such as a simple and compact structure space utilization, a small volume, a light weight, low costs, versatility and high production efficiency.

公开(公告)号：EP4300678A1

公开(公告)日：2024-01-03

申请号：EP22831743.4

申请日：2022-06-17

Applicant: BYD Company Limited

Inventor： FANG, Cheng ,  E, Congji ,  PENG, Qingbo

IPC: H01M50/204

Abstract: The present disclosure provides a battery pack (100) and a vehicle. The battery pack (100) includes: an enclosure (10); a cell arranged in the enclosure (10); and a distribution box (30) arranged in the enclosure (10). The enclosure (10) includes a housing (11) and a cover body (12). A side of the housing (11) is provided with a picking and placing opening (101) for picking and placing the cell. The cover body (12) is arranged on the side of the housing (11) to close the picking and placing opening (101). The distribution box (30) is located in a position close to the picking and placing opening (101) in the housing (11). A metal plate (31) of the distribution box (30), the housing (11), and the cover body (12) all clad the cell.

公开(公告)号：EP4404418A1

公开(公告)日：2024-07-24

申请号：EP22885637.3

申请日：2022-10-10

Applicant: BYD Company Limited

Inventor： LU, Zhipei ,  DENG, Linwang ,  WANG, Chengzhi ,  TANG, Zeru ,  LIU, Yantao ,  XIONG, Bojun ,  WU, Xianyong ,  E, Congji

IPC: H02J7/00

CPC classification number: B60L50/60 ,  H01M10/42 ,  H01M10/48 ,  H01M50/519 ,  H01M50/569 ,  H02J7/00

Abstract: The present disclosure relates to the technical field of batteries, and provides a sampling device, a battery management system, and a vehicle. The sampling device includes multiple core function regions, an auxiliary function region, and a terminal connector. The multiple core function regions are configured to process information of a battery. The auxiliary function region has wiring arranged therein, and is configured to transmit a signal corresponding to the information. The multiple core function regions are cascaded through the wiring.

公开(公告)号：EP4254628A1

公开(公告)日：2023-10-04

申请号：EP22779022.7

申请日：2022-03-30

Applicant: BYD Company Limited

Inventor： GAO, Jian ,  PENG, Qingbo ,  E, Congji ,  XIONG, Bojun ,  JIANG, Yongjun

IPC: H01M50/244 ,  H01M50/147

Abstract: The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a box, a sealing cover, a battery string, a sampling structure, and a battery information collector configured to be connected with a battery management system. The battery string and the sampling structure are arranged inside the box. The battery string includes multiple electrically connected batteries. The sampling structure includes multiple sampling lines. First ends of the sampling lines are connected with the corresponding batteries. Second ends of the sampling lines are connected with the battery information collector. The box is provided with an opening. The battery information collector is arranged at the opening of the box. The sealing cover is located on an outer side of the battery information collector. The sealing cover is configured to seal the opening of the box. Since the battery information collector in the present disclosure is arranged at the opening of the box, the internal space of the box is not occupied. Through the sealing cover, both the sealing of the box and the sealing of the battery information collector can be realized. In this way, the production costs can be reduced.

公开(公告)号：EP4246655A1

公开(公告)日：2023-09-20

申请号：EP22779023.5

申请日：2022-03-30

Applicant: BYD Company Limited

Inventor： GAO, Jian ,  PENG, Qingbo ,  E, Congji ,  XIONG, Bojun ,  JIANG, Yongjun

IPC: H01M10/42

Abstract: The present disclosure provides a sampling structure, a battery pack, and an electric vehicle. The sampling structure includes a battery information collector, a plurality of fuses, and a plurality of collection lines. First ends of the collection lines are configured to be connected with corresponding batteries. Connection terminals are arranged on second ends of the collection lines. A plurality of pads are arranged on the battery information collector. First ends of the fuses are welded to the corresponding connection terminals. Second ends of the fuses are welded to the corresponding pads. The collection lines and the battery information collector in the present disclosure are welded through the fuses. The fuses not only can provide connection, but also can provide overcurrent protection.