公开(公告)号：EP3245092A1

公开(公告)日：2017-11-22

申请号：EP15877570.0

申请日：2015-06-30

Applicant: BYD Company Limited

Inventor： YANG, Dongsheng ,  LIAN, Yubo ,  ZHANG, Jintao ,  LUO, Hongbin

IPC: B60K6/36 ,  B60K6/54

CPC classification number: B60K6/40 ,  B60K1/02 ,  B60K6/36 ,  B60K6/38 ,  B60K6/448 ,  B60K6/48 ,  B60K6/52 ,  B60K6/547 ,  B60K17/356 ,  B60K2006/4808 ,  B60Y2304/00 ,  B60Y2400/428 ,  B60Y2400/70 ,  F16H3/006 ,  F16H3/085 ,  F16H2003/0822 ,  F16H2003/0931 ,  Y02T10/6221 ,  Y02T10/6243 ,  Y02T10/626 ,  Y02T10/6265 ,  Y10S903/909 ,  Y10S903/912 ,  Y10S903/919

Abstract: A power transmission system for a vehicle includes: an engine; input shafts, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear; a generator gear fixed on one of the output shafts; a reverse output gear configured to rotate together with or to disengage from a shift driving gear; an output idler gear configured to engage with one of the output shafts so as to rotate together with the output shaft or disengage from the output shaft so as to rotate with the output shaft at different speeds; a motor power shaft configured to rotate together with the generator gear; and a first motor generator configured to rotate together with the motor power shaft. A vehicle including the power transmission system is also provided.

公开(公告)号：EP2902287A1

公开(公告)日：2015-08-05

申请号：EP14191715.3

申请日：2014-11-04

Applicant: BYD Company Limited

Inventor： YANG, Dongsheng ,  LIAN, Yubo ,  ZHANG, Jintao ,  LUO, Hongbin

IPC: B60W20/00 ,  B60W10/06 ,  B60W10/08 ,  B60W10/26 ,  B60W10/02 ,  B60K6/387 ,  B60K6/442

CPC classification number: B60W20/13 ,  B60K6/387 ,  B60K6/442 ,  B60K6/52 ,  B60K17/356 ,  B60W10/02 ,  B60W10/06 ,  B60W10/08 ,  B60W10/26 ,  B60W20/20 ,  B60W2510/244 ,  B60W2520/10 ,  B60W2540/10 ,  B60W2550/142 ,  Y02T10/6234 ,  Y02T10/6265 ,  Y02T10/6286 ,  Y10S903/93

Abstract: A vehicle and a drive control method for the same are provided. The vehicle includes an engine unit (1), a transmission unit (2a) configured to selectively coupled with the engine unit, a first motor generator (41) coupled with the transmission unit, an output unit (5) configured to transmit a power transmitted by the transmission unit to at least one of front and rear wheels (210, 220) of the vehicle, a power switching device (6) configured to adjust a power transmission between the transmission unit and the output unit, a second motor generator (42) configured to drive the at least one of the front and rear wheels, and a power battery coupled with the first and second motor generators respectively. The drive control method includes: acquiring an operation parameter of the vehicle; and performing a drive control of the vehicle based on the operation parameter and an operation mode selected from operation modes of the vehicle.

Abstract translation: 提供了一种车辆及其驱动控制方法。 车辆包括发动机单元（1），被配置为选择性地与发动机单元联接的传动单元（2a），与传动单元耦合的第一电动发电机（41），输出单元（5） 通过所述传动单元到所述车辆的前轮和后轮（210,220）中的至少一个;配置为调整所述传动单元和所述输出单元之间的动力传递的动力切换装置（6），第二电动发电机（42） ），其被构造成驱动所述前轮和所述后轮中的至少一个，以及分别与所述第一和第二电动发电机耦合的动力电池。 驱动控制方法包括：获取车辆的操作参数; 以及基于从车辆的操作模式选择的操作参数和操作模式来执行车辆的驱动控制。

公开(公告)号：EP4549277A1

公开(公告)日：2025-05-07

申请号：EP23841841.2

申请日：2023-04-25

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  SHI, Mingchuan ,  WANG, Hongxia ,  FU, Luo

IPC: B60W30/18 ,  B60W10/14 ,  B60W60/00

Abstract: A vehicle drift control method and system, and a vehicle. The vehicle drift control method comprises: in response to a drift operation instruction by a user, obtaining a whole-vehicle required torque and vehicle state parameters; determining a front-axle torque ratio according to the state parameters; determining a front-axle required torque according to the front-axle torque ratio and the whole-vehicle required torque; and performing torque control respectively on a front-axle motor and a rear-axle motor according to the front-axle required torque and the rear-axle required torque, such that the torque distribution between the front and rear axles is more reasonable, and the drift duration and the drift safety are improved.

公开(公告)号：EP4190608A1

公开(公告)日：2023-06-07

申请号：EP21850990.9

申请日：2021-07-26

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  XIONG, Yong ,  SONG, Gan ,  LUO, Yili

IPC: B60H1/00

Abstract: A vehicle battery thermal management system, a vehicle thermal management system, and an electric vehicle are disclosed. The vehicle battery thermal management system includes: a heat conducting element (2) connected to a vehicle air conditioning system (1) and a self heating circuit (4) connected to a vehicle power battery (3). The heat conducting element (2), a compressor (101), and an outdoor condenser (102) constitute a battery refrigeration loop, and the battery refrigeration loop absorbs heat from the power battery (3) through a refrigerant in the heat conducting element (2) to cool down the power battery (3). The self heating circuit (4) and the power battery (3) constitute a battery self heating loop, and the power battery (3) implements high-frequency alternating charging and discharging for self heating through the self heating circuit (4) in the battery self heating loop.

公开(公告)号：EP4160862A1

公开(公告)日：2023-04-05

申请号：EP21818937.1

申请日：2021-06-04

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  YAN, Lei ,  XIONG, Yong ,  GAO, Wen

IPC: H02J7/00 ,  H01M10/44 ,  H01M10/615 ,  B60L53/00 ,  B60L53/24 ,  B60L58/27

Abstract: The present disclosure belongs to the field of vehicles, and relates to a battery energy processing device and method and a vehicle, which can charge batteries during self-heating of the batteries. The battery energy processing device includes: an energy exchange interface; a first circuit, wherein a first end of the first circuit is connected with the energy exchange interface, and a second end of the first circuit is connected with a battery; a second circuit, wherein a first end of the second circuit is connected with the battery; an energy storage unit, connected with a second end of the second circuit; and a controller, configured to: in a first preset state, control the second circuit to charge and discharge the battery to heat the battery, and control the first circuit to receive energy from the energy exchange interface and output the energy to the battery to charge the battery.

公开(公告)号：EP4019322A1

公开(公告)日：2022-06-29

申请号：EP20869465.3

申请日：2020-08-18

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  LI, Jicheng ,  PAN, Hua ,  MOU, Li

IPC: B60L58/27

Abstract: A cooperative control method is disclosed. The cooperative control method includes: acquiring a target heating power, a target driving power, and a target charging and discharging power; acquiring a first heating power of a motor coil according to the target charging and discharging power; acquiring a second heating power of the motor coil according to the target driving power; adjusting a first quadrature axis current and a first direct axis current to a target quadrature axis current and a target direct axis current to cause the difference between the sum of the first heating power and the second heating power and the target heating power to be within the preset range; and acquiring a sampling current value on each phase coil and a motor rotor position, and calculating a duty cycle of each phase bridge arm in a reversible PWM rectifier according to the above information.

公开(公告)号：EP3888964A1

公开(公告)日：2021-10-06

申请号：EP19890217.3

申请日：2019-11-27

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  WANG, Gang ,  CAI, Shuzhou ,  SONG, Gan

IPC: B60K11/02 ,  B60H1/06 ,  B60L58/24

Abstract: The present disclosure relates to a vehicle thermal management system, a control method thereof, and a vehicle using same. The vehicle thermal management system includes a battery and electric drive thermal management system. The battery and electric drive thermal management system includes a first coolant flow path, a second coolant flow path, and a four-way valve. A heat exchanger, a power battery, and a first pump are disposed on the first coolant flow path. The first coolant flow path has one end connected to a first port of the four-way valve and another end connected to a second port of the four-way valve. A motor, a radiator, and a second pump are disposed on the second coolant flow path. The second coolant flow path has one end connected to a third port of the four-way valve and another end connected to a fourth port of the four-way valve.

公开(公告)号：EP3368367B1

公开(公告)日：2020-12-02

申请号：EP16859025.5

申请日：2016-10-26

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LUO, Hongbin ,  ZHANG, Jintao ,  YANG, Dongsheng

IPC: B60L15/20 ,  B60L3/10 ,  B60T8/1755 ,  B60W30/02

公开(公告)号：EP3533646A1

公开(公告)日：2019-09-04

申请号：EP17864926.5

申请日：2017-10-30

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  XU, Youbin ,  HUANG, Wei

IPC: B60K6/36 ,  B60W20/00 ,  B60K6/48

Abstract: The present invention discloses a power transmission system for a vehicle and a vehicle having same. The power transmission system for a vehicle includes: a power source; a first motor generator unit; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source, the speed change unit includes a speed change unit output portion, and the speed change unit output portion is suitable for outputting power from at least one of the power source and the first motor generator unit; a system power output portion; and a mode conversion device, where the speed change unit output portion is power-coupled to or power-decoupled from the system power output portion through the mode conversion device, so that the mode conversion device is suitable for decelerating the power received from the speed change unit output portion and then outputting the decelerated power to the system power output portion. In the power transmission system of the present invention, a quantity of work modes of the power transmission system may be increased, and a quantity of gears of the power transmission system is increased, thereby improving the power performance and the passing-through capability.

公开(公告)号：EP3521085A1

公开(公告)日：2019-08-07

申请号：EP17854571.1

申请日：2017-08-03

Applicant: BYD Company Limited

Inventor： LIAN, Yubo ,  LING, Heping ,  ZHAI, Zhen ,  WU, Fei ,  XU, Youbin

IPC: B60K6/54 ,  B60K6/44 ,  B60K6/36

Abstract: The present disclosure provides a power-driven system for a vehicle and a vehicle. The power-driven system comprises: an engine; a plurality of input shafts; a plurality of output shafts, the plurality of output shafts linking with a differential of the vehicle; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engages with at least one of the plurality of input shafts; a first motor generator, configured to link with the differential of the vehicle; and a second motor generator, wherein the second motor generator and the engine are located on an input side of the first clutch device, the plurality of input shafts is located on an output side of the first clutch device, and the second motor generator is configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked.