公开(公告)号：US20190291568A1

公开(公告)日：2019-09-26

申请号：US16346521

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/48 ,  F16H3/00 ,  F16H3/085 ,  F16H37/06 ,  B60K6/365

Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is selectively power-coupled to the power source; a first motor generator unit; a system power output portion; and a mode conversion device, where the mode conversion device includes: a conversion device input portion and a conversion device output portion, the conversion device input portion outputs power from at least one of the power source and the first motor generator unit, the conversion device output portion is connected to an input end of the system power output portion, and the conversion device input portion is selectively power-coupled to the conversion device output portion; and when the conversion device input portion is power-coupled to the conversion device output portion, the rotational speed of the conversion device input portion is greater than or equal to the rotational speed of the conversion device output portion.

公开(公告)号：US20190168600A1

公开(公告)日：2019-06-06

申请号：US16313982

申请日：2017-05-11

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/36 ,  B60K6/40 ,  B60K6/387 ,  B60K6/547 ,  F16H48/22 ,  F16H48/24 ,  F16H3/00 ,  F16H3/093 ,  F16H37/08

Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a transmission having a transmission power output portion; a first electric generator, the engine and the first electric generator being connected through the transmission by means of power coupling; and a differential having a differential power input portion and two differential power output portions, the differential power input portion being linked with the transmission power output portion, each of the differential power output portions being connected with a wheel on the same side, and a power engagement device being provided between one of the differential power output portions and the wheel on the same side.

公开(公告)号：US20160280209A1

公开(公告)日：2016-09-29

申请号：US15078942

申请日：2016-03-23

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Dongsheng Yang ,  Jintao Zhang ,  Hongbin Luo

IPC: B60W20/13 ,  B60K6/48

CPC classification number: B60W20/13 ,  B60K6/48 ,  B60W10/02 ,  B60W10/06 ,  B60W10/08 ,  B60W20/10 ,  B60W20/40 ,  B60W50/0097 ,  B60W2510/10 ,  B60W2510/1005 ,  B60W2510/244 ,  B60W2520/10 ,  B60W2540/103 ,  B60W2540/30 ,  B60W2550/142 ,  B60W2550/20 ,  F02N11/00 ,  F02N11/0818 ,  F02N11/0866 ,  F02N2011/0888 ,  F02N2200/061 ,  F02N2200/0801 ,  F02N2200/0802 ,  F02N2200/101 ,  F02N2200/124 ,  F02N2300/302 ,  Y10S903/903

Abstract: The present disclosure provides a hybrid electric vehicle, a drive control method and a drive control device of a hybrid electric vehicle. The drive control method includes: obtaining a current gear position and a current operating mode of the hybrid electric vehicle, a current electric charge level of a power battery and a slope of a road on which the hybrid electric vehicle is driving; determining whether the hybrid electric vehicle is within a taxiing start-stop interval according to the current gear position of the hybrid electric vehicle, the current electric charge level of the power battery, and the slope of the road; if the hybrid electric vehicle is within the taxiing start-stop interval, obtaining a current speed of the hybrid electric vehicle; and causing the hybrid electric vehicle to enter a small load stop mode or a small load stall mode according to the current speed.

Abstract translation: 本公开提供了一种混合动力电动车辆的混合电动车辆，驱动控制方法和驱动控制装置。 驱动控制方法包括：获得混合动力电动车辆的当前档位和当前操作模式，动力电池的当前电荷水平和混合动力车辆正在驾驶的道路的坡度; 根据混合动力电动车辆的当前档位，动力电池的当前电荷水平以及道路的坡度来判定混合动力电动汽车是否处于滑行起停间隔内; 如果混合动力电动车辆处于滑行起停间隔内，则获得混合电动车辆的当前速度; 并根据当前速度使混合电动车进入小负载停止模式或小负载失速模式。

公开(公告)号：US20150211617A1

公开(公告)日：2015-07-30

申请号：US14527572

申请日：2014-10-29

Applicant: BYD COMPANY LIMITED

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

IPC: F16H37/08 ,  B60K6/442 ,  B60K7/00 ,  B60K17/356

Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes an engine unit configured to generate power, a transmission unit adapted to selectively be coupled with the engine unit, and configured to transmit the power generated by the engine unit, a first motor generator coupled with the transmission unit, an output unit configured to transmit the power output by the transmission unit to at least one of front and rear wheels of the vehicle, and a second motor generator configured to drive the at least one of the front and rear wheels.

Abstract translation: 提供了一种用于车辆和包括该动力传动系统的车辆的动力传递系统。 电力传输系统包括被配置为产生电力的发动机单元，适于选择性地与发动机单元耦合的发送单元，并且被配置为发送由发动机单元生成的电力，与发送单元耦合的第一电动发电机，输出 单元，被配置为将由所述传动单元输出的功率传输到所述车辆的前轮和后轮中的至少一个;以及第二电动发电机，被配置为驱动所述前轮和所述后轮中的至少一个。

公开(公告)号：US20150211614A1

公开(公告)日：2015-07-30

申请号：US14526816

申请日：2014-10-29

Applicant: BYD COMPANY LIMITED

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

IPC: F16H37/08 ,  B60K6/442 ,  B60K7/00 ,  B60K17/356

CPC classification number: F16H37/0806 ,  B60K6/387 ,  B60K6/442 ,  B60K6/52 ,  B60K7/0007 ,  B60K17/356 ,  Y02T10/6234 ,  Y02T10/6265 ,  Y02T10/76 ,  Y10S903/917 ,  Y10T74/19014

Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes: an engine unit configured to generate power; a transmission unit adapted to selectively couple with the engine unit, and configured to transmit the power generated by the engine unit; a first motor generator coupled with the transmission unit; an output unit configured to transmit the power output by the transmission unit to at least one of front and rear wheels of the vehicle; a power switching device adapted to enable or interrupt a power transmitting between the transmission unit and the output unit; and a second motor generator configured to drive the at least one of the front and rear wheels.

Abstract translation: 提供了一种用于车辆和包括该动力传动系统的车辆的动力传递系统。 电力传输系统包括：发动机单元，被配置为产生电力; 发送单元，其适于选择性地与所述发动机单元联接，并且被配置为发送由所述发动机单元产生的电力; 与所述传输单元耦合的第一电动发电机; 输出单元，被配置为将由所述传动单元输出的功率传送到所述车辆的前轮和后轮中的至少一个; 电力切换装置，其适于使能或中断在所述发送单元和所述输出单元之间的电力传输; 以及构造成驱动前轮和后轮中的至少一个的第二电动发电机。

公开(公告)号：US20250058647A1

公开(公告)日：2025-02-20

申请号：US18936565

申请日：2024-11-04

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Mingchuan SHI ,  Hao ZHANG ,  Pengxiang LI

IPC: B60L15/20

Abstract: A vehicle torque control method includes: obtaining a steering wheel angle and a vehicle steering speed parameter; determining a current driving state of a vehicle based on the steering wheel angle and the vehicle steering speed parameter, and controlling output torques of a front driver and a rear driver of the vehicle based on the current driving state of the vehicle.

公开(公告)号：US20240217330A1

公开(公告)日：2024-07-04

申请号：US18606233

申请日：2024-03-15

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Yinsheng LIAO ,  Feng ZHANG ,  Gaoming ZHAO ,  Qiang WANG

IPC: B60K6/387 ,  B60K6/36 ,  B60K6/48

CPC classification number: B60K6/387 ,  B60K6/36 ,  B60K6/48

Abstract: A hybrid powertrain includes a conversion device, a first motor, and an engine. At least one of the first motor and the engine is configured to output power to a driving end through the conversion device. The engine is configured to output power to the first motor through the conversion device, to drive the first motor to generate electricity.

公开(公告)号：US20240017589A1

公开(公告)日：2024-01-18

申请号：US18373721

申请日：2023-09-27

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Yilin ZHONG ,  Gan SONG ,  Jingke ZHANG

IPC: B60H1/00 ,  B60L58/26 ,  B60L53/60 ,  B60L58/12

CPC classification number: B60H1/00735 ,  B60H1/00385 ,  B60H1/00278 ,  B60L58/26 ,  B60L53/60 ,  B60L58/12 ,  H02P27/06

Abstract: An integrated thermal management system, includes: a heat pump subsystem that includes a heat pump subsystem detector configured to detect heat pump state information of the heat pump subsystem; a cooling subsystem of a high-voltage system is configured to exchange heat between the heat pump subsystem and a high-voltage system of a vehicle; a battery detector is configured to detect battery state information of a vehicle battery; an user interface is configured to receive setting information of a thermal demand of a passenger compartment of a vehicle; and a controller is configured to determine a thermal management demand of the vehicle battery according to the battery state information, determine a thermal management demand of the passenger compartment according to the setting information, and determine a heat supplementation demand according to the thermal management demand of the vehicle battery, the thermal management demand of the passenger compartment, and the heat pump state information.

公开(公告)号：US20230373264A1

公开(公告)日：2023-11-23

申请号：US18027499

申请日：2021-09-18

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Yilin ZHONG ,  Heping LING ,  Chunfen WU ,  Fangfang LIN

IPC: B60H1/00 ,  H01M10/625 ,  H01M10/63 ,  H01M10/6569 ,  H01M10/66 ,  B60H1/03

CPC classification number: B60H1/00278 ,  H01M10/625 ,  H01M10/63 ,  H01M10/6569 ,  H01M10/66 ,  B60H1/03 ,  H01M2220/20

Abstract: The present disclosure relates to a vehicle thermal management system and an electric vehicle. The vehicle thermal management system includes a first thermal management system and a second thermal management system for a high-voltage system. The second thermal management system includes a heat sink, a heat exchanger, and a waste heat utilization branch. A water pump and a high-voltage system cooling branch passing through the high-voltage system that are in interconnected are arranged on the waste heat utilization branch. A cooling liquid outlet of the heat exchanger communicates with an inlet of the waste heat utilization branch. An outlet of the waste heat utilization branch optionally communicates with a cooling liquid inlet of the heat exchanger or with the cooling liquid inlet of the heat exchanger through the heat sink. The first thermal management system includes a compressor and a battery pack provided with a direct-cooling device. An outlet of the compressor communicates with a first port of the direct-cooling device of the battery pack. A second port of the direct-cooling device of the battery pack communicates with a refrigerant inlet of the heat exchanger through a first throttle branch, and a refrigerant outlet of the heat exchanger communicates with an inlet of the compressor. In this way, the arrangement of pipeline arrangement for cooling and heating the battery pack is simplified.

公开(公告)号：US20230236261A1

公开(公告)日：2023-07-27

申请号：US18128703

申请日：2023-03-30

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Siliang CHEN ,  Zhengzheng WANG ,  Junzi LI

IPC: G01R31/392 ,  G01R31/367 ,  G01R31/387

CPC classification number: G01R31/392 ,  G01R31/367 ,  G01R31/387

Abstract: A method for acquiring a battery capacity, includes: acquiring multiple initial charging parameters of a battery when the battery is charged during a current charging process, where state of charge (SOC) of the battery in the current charging process changes for a range covering an SOC range, or a minimum charging temperature of the battery in the current charging process is greater than or equal to a temperature threshold; periodically acquiring multiple actual charging parameters of the battery during the current charging process and a current number of charging times corresponding to the current charging process; and acquiring, according to the multiple initial charging parameters, the multiple actual charging parameters, and the current number of charging times, a predicted battery capacity of the battery in a next charging process.