公开(公告)号：US20220388404A1

公开(公告)日：2022-12-08

申请号：US17764065

申请日：2020-09-23

Applicant: BYD COMPANY LIMITED

Inventor： Qiang WAN ,  Hao LU ,  Lu WANG ,  Daolin LI

IPC: B60L15/20

Abstract: A driving control method and apparatus for a vehicle, and a vehicle are provided, and relate to the field of vehicle control. The vehicle includes at least two carriages, and the driving control method includes the following steps: obtaining battery level information of a power battery corresponding to each of the carriages; obtaining at least one of a level allocated to each carriage or a payload allocated to each carriage according to the battery level information of the power battery corresponding to each carriage; and obtaining an output torque of each carriage according to the at least one of the level allocated to each carriage or the payload allocated to each carriage.

公开(公告)号：US20220332195A1

公开(公告)日：2022-10-20

申请号：US17639255

申请日：2020-08-27

Applicant: BYD COMPANY LIMITED

Inventor： Dong MA ,  Lu WANG ,  Daolin LI

IPC: B60L7/18 ,  B60L7/26 ,  B60T8/32 ,  B60T13/58 ,  B60T8/58

Abstract: A braking method for a vehicle is provided. The method includes the following steps: obtaining a first state information of the vehicle, where the first state information includes a vehicle mass and a deceleration required by braking; calculating a braking torque required by the vehicle according to the first state information, and controlling an output of an electric braking torque according to the braking torque required by the vehicle; obtaining a current vehicle speed of the vehicle and a maximum electric braking exit speed; and; controlling, if the deceleration required by braking of the vehicle changes to zero, the vehicle to unload the electric braking torque when the current vehicle speed is less than the maximum electric braking exit speed. A braking device for a vehicle and a vehicle are further provided.

公开(公告)号：US20230001799A1

公开(公告)日：2023-01-05

申请号：US17780818

申请日：2020-10-30

Applicant: BYD COMPANY LIMITED

Inventor： Kun QIU ,  Pengfei LI ,  Ziwei ZENG ,  Chaorui WU ,  Daolin LI

IPC: B60L5/16

Abstract: A vehicle power supply device is provided. The vehicle power supply device includes: a fixed base; a scissor-fork lifting mechanism, where the scissor-fork lifting mechanism is configured to be driven by a drive device to ascend or descend; and the scissor-fork lifting mechanism includes at least one scissor-fork swing rod set, the scissor-fork swing rod set includes at least one pair of swing rods, each pair of swing rods includes two swing rods that are cross-arranged and are hinged with each other, and two swing rods in a pair of swing rods that is closest to the fixed base are separately mounted on the fixed base; and a power supply head, where the power supply head is mounted on two swing rods in a pair of swing rods that is farthest from the fixed base, and the power supply head is driven by the scissor-fork lifting mechanism to ascend or descend.

公开(公告)号：US20220340013A1

公开(公告)日：2022-10-27

申请号：US17639251

申请日：2020-08-27

Applicant: BYD COMPANY LIMITED

Inventor： Dong MA ,  Lu WANG ,  Daolin LI

IPC: B60L7/26 ,  B60T8/32 ,  B60T8/72

Abstract: A braking method includes: obtaining a first state information of the vehicle, which includes a vehicle mass and a deceleration required by braking; calculating a braking torque according to the first state information, and controlling the vehicle to output an electric braking torque according to the braking torque; obtaining a current vehicle speed and a mechanical braking application delay time; calculating an electric braking exit speed according to the braking torque required by the vehicle and the deceleration required by braking; calculating a mechanical braking application speed according to the mechanical braking application delay time, the deceleration required by braking, and the electric braking exit speed; and determining whether to control the vehicle to unload the electric braking torque, and whether to control the vehicle to apply a mechanical braking torque according to the current vehicle speed, the electric braking exit speed, and the mechanical braking application speed.

公开(公告)号：US20210309267A1

公开(公告)日：2021-10-07

申请号：US16334386

申请日：2017-02-28

Applicant: BYD COMPANY LIMITED

Inventor： Lin REN ,  Daolin LI ,  Zhicheng TAN

IPC: B61F5/08 ,  B61F5/52 ,  B61F5/12

Abstract: The present disclosure provides a suspension system, a bogie assembly with the same, and a rail vehicle. The suspension system includes a vehicle body connecting seat, an elastic component, a transverse damper and a vertical damper. The vehicle body connecting seat is positioned above the elastic component and is connected to the elastic component, and the transverse damper and the vertical damper are respectively hinged to the vehicle body connecting seat and are perpendicular to each other.

公开(公告)号：US20190232834A1

公开(公告)日：2019-08-01

申请号：US16335151

申请日：2017-02-28

Applicant: BYD COMPANY LIMITED

Inventor： Lin REN ,  Daolin LI ,  Zhicheng TAN

IPC: B60N2/50 ,  B60N2/52 ,  B60N2/68

CPC classification number: B60N2/502 ,  B60G7/04 ,  B60N2/522 ,  B60N2/682 ,  B62D21/00

Abstract: The present disclosure provides a vehicle body connecting seat and a suspension system. The vehicle body connecting seat includes an upper plate, suitable for being connected to the vehicle body; a web plate, positioned below the upper plate and connected to the upper plate; a lower plate, positioned below the web plate and connected to the web plate, where the surface of the upper plate facing the vehicle body is provided with a buffer cushion.