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：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.

公开(公告)号：EP4342718A1

公开(公告)日：2024-03-27

申请号：EP22851734.8

申请日：2022-06-17

Applicant: BYD Company Limited

Inventor： GUO, Caifang ,  QI, Axi ,  LIU, Jian ,  GAO, Jian ,  LI, Lele

IPC: B60L50/60 ,  B60L15/20 ,  B60L58/27 ,  B60R16/023

Abstract: The present disclosure discloses an integrated controller, an electric drive assembly, and a vehicle. The integrated controller includes: a box; a control unit and a charging/discharging conversion unit that are arranged in the box; and a high-voltage interface assembly, including a high-voltage interface arranged on the box and a high-voltage connection member arranged in the box, the high-voltage connection member being connected with the high-voltage interface, the control unit, and the charging/discharging conversion unit to receive and distribute a high-voltage battery signal. The integrated controller may cancel arrangement of a high-voltage distribution box, which reduces a demand for a high-voltage wiring harness, reduces costs, and saves vehicle space.

公开(公告)号：EP4503326A1

公开(公告)日：2025-02-05

申请号：EP23790890.0

申请日：2023-03-01

Applicant: BYD Company Limited

Inventor： HU, Shichao ,  CHEN, Jianen ,  ZHANG, Yaosheng ,  GAO, Jian

IPC: H01M50/583

Abstract: An adapter module (1), a battery module (2), a battery pack (3), and a vehicle (4). The adapter module (1) comprises a support member (10), a low-voltage plug member (20), a sampling assembly (30), and an electrode lead-out piece (40). The low-voltage plug member (20) is provided on the support member (10). One end of the sampling assembly (30) is provided on the support member; the described end of the sampling assembly (30) is electrically connected to the low-voltage plug member (20); and the sampling assembly (30) is used for voltage sampling and/or temperature sampling. The electrode lead-out piece (40) is provided on the support member (10), is spaced apart from the low-voltage plug member (20), and is electrically connected to the described end of the sampling assembly (30).

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：EP4333015A1

公开(公告)日：2024-03-06

申请号：EP22862809.5

申请日：2022-06-17

Applicant: BYD Company Limited

Inventor： GUO, Caifang ,  QI, Axi ,  LIU, Jian ,  GAO, Jian ,  LI, Lele

IPC: H01H47/32 ,  B60L50/60

Abstract: The present disclosure discloses a low-voltage power supply system and a vehicle having same. The low-voltage power supply system includes: a storage battery; an electric control board, the electric control board being connected with the storage battery, at least a battery management controller (BMC) module and a motor control module being integrated in the electric control board, and the motor control module being configured to control a power module; a control circuit, the control circuit being connected with the BMC module and being configured to receive a control command of the BMC module; a metal-oxide-semiconductor field-effect transistor (MOSFET), connected with the control circuit; and a battery management system, a contactor being arranged in the battery management system, the MOSFET being connected with the contactor and being mounted to the electric control board or the battery management system, and the BMC module being configured to control on/off of the MOSFET through the control circuit, to implement connection/disconnection between the storage battery and the contactor.