公开(公告)号：US09260022B2

公开(公告)日：2016-02-16

申请号：US14369934

申请日：2012-12-31

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： Guangming Yang ,  Xinxin Zhang ,  Zhiyong Du ,  Xuguang Zhou ,  Hongbin Luo

IPC: H02P27/04 ,  B60L11/18 ,  H02J7/00 ,  H02J7/02 ,  H04B3/54 ,  B60L3/00 ,  B60L1/00 ,  H02J3/32

CPC classification number: B60L11/1851 ,  B60L1/003 ,  B60L1/006 ,  B60L3/003 ,  B60L3/0046 ,  B60L3/0069 ,  B60L11/18 ,  B60L11/1803 ,  B60L11/1805 ,  B60L11/1809 ,  B60L11/1811 ,  B60L11/1812 ,  B60L11/1814 ,  B60L11/1816 ,  B60L11/1818 ,  B60L11/1838 ,  B60L11/1842 ,  B60L11/185 ,  B60L11/1861 ,  B60L11/1872 ,  B60L2210/12 ,  B60L2210/14 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2210/42 ,  B60L2230/12 ,  B60L2240/527 ,  B60L2240/529 ,  B60L2240/545 ,  B60L2240/547 ,  B60L2240/549 ,  B60L2250/12 ,  B60L2260/22 ,  B60L2260/26 ,  B60L2270/147 ,  B60L2270/20 ,  H02J3/32 ,  H02J5/00 ,  H02J7/0036 ,  H02J7/0054 ,  H02J7/0055 ,  H02J7/0063 ,  H02J7/0065 ,  H02J7/0068 ,  H02J7/007 ,  H02J7/02 ,  H02J7/022 ,  H02J7/345 ,  H02J2007/0067 ,  H04B3/542 ,  Y02E60/721 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T10/7088 ,  Y02T10/7225 ,  Y02T10/7233 ,  Y02T10/7241 ,  Y02T10/92 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/16 ,  Y02T90/163 ,  Y02T90/168 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/12 ,  Y04S30/14

Abstract: An electric vehicle and a power system and a motor controller for an electric vehicle are provided. The power system includes a power battery; a charging-discharging socket; a bidirectional DC/DC module connected with the power battery; a driving control switch connected with the power battery and the bidirectional DC/DC module; a bidirectional DC/AC module connected with the driving control switch and the power battery; a motor control switch connected with the bidirectional DC/AC module and a motor; a charging-discharging control module connected with the bidirectional DC/AC module and the charging-discharging socket; and a controller module connected with and configured to control the driving control switch, the motor control switch and the charging-discharging control module according to a current operation mode of the power system.

Abstract translation: 提供电动汽车和动力系统以及用于电动车辆的电动机控制器。 电力系统包括动力电池; 充电放电插座; 与动力电池连接的双向DC / DC模块; 与动力电池和双向DC / DC模块连接的驱动控制开关; 与驱动控制开关和动力电池连接的双向DC / AC模块; 与双向DC / AC模块连接的电动机控制开关和电动机; 与双向DC / AC模块和充电放电插座连接的充电放电控制模块; 以及控制器模块，其连接并且被配置为根据电力系统的当前操作模式来控制驱动控制开关，电动机控制开关和充放电控制模块。

公开(公告)号：US11571981B2

公开(公告)日：2023-02-07

申请号：US16642816

申请日：2018-08-31

Applicant: BYD COMPANY LIMITED

Inventor： Hongbin Luo ,  Chao Wang ,  Xiaofeng Shen ,  Chengzhi Wang ,  Qiuyong Zeng

IPC: B60L53/62 ,  B60L58/13 ,  H02J7/00 ,  B60L58/22 ,  H01M10/42

Abstract: The present application discloses a battery equalization system, a vehicle, a battery equalization method, and a storage medium. The battery equalization system includes: a collection circuit; an equalization circuit; a controller; a charging branch circuit, connected to a charging device and a battery pack; and a first power supply branch circuit, connected to the charging device and the battery equalization system, and configured to supply power to the battery equalization system. When a state-of-charge of the battery pack is full and a cell in the battery pack needs enabling of equalization, the controller controls the charging branch circuit to disconnect, and controls the first power supply branch circuit to keep connected, so that an equalization module performs equalization processing on the cell that needs enabling of equalization.

公开(公告)号：US10166973B2

公开(公告)日：2019-01-01

申请号：US15230992

申请日：2016-08-08

Applicant: BYD COMPANY LIMITED

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

IPC: B60L9/00 ,  B60W20/30 ,  B60W10/02 ,  B60W10/06 ,  B60W10/08 ,  B60W10/113 ,  B60W10/11 ,  B60W30/19 ,  F16H3/00 ,  B60K6/547 ,  B60W20/40 ,  B60W20/20 ,  B60W50/00 ,  B60K6/48

Abstract: The present disclosure discloses a shifting control method for a hybrid vehicle. The shifting control method includes: detecting operating parameters of the hybrid vehicle, where the operating parameters of the hybrid vehicle includes vehicle speed, vehicle acceleration as reflected from an accelerator-pedal signal and a current gear of the hybrid vehicle; determining a work mode of the hybrid vehicle; performing speed adjustment and shifting control to the first motor-generator according to a work mode and the operating parameters of the hybrid vehicle to implement shifting control of the hybrid vehicle, where the work mode includes an electric-vehicle mode and a hybrid-electric-vehicle mode. The method considers performing speed adjustment and shifting control under various working conditions. This improves smoothness and comfort of the vehicle and enlarges the use scope. The present disclosure further discloses a power transmission system of a hybrid vehicle and a hybrid vehicle.

公开(公告)号：US10166853B2

公开(公告)日：2019-01-01

申请号：US14755540

申请日：2015-06-30

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/36 ,  B60K6/38 ,  F16H3/00 ,  F16H3/085 ,  B60K6/448 ,  B60K6/48 ,  B60K6/52 ,  B60K6/547 ,  F16H3/08 ,  F16H3/093 ,  B60K1/02 ,  B60K17/356

Abstract: A transmission unit includes: 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; a motor power shaft configured to rotate together with one of the output shafts; and an output unit configured to rotate with one of the output shafts at different speeds and configured to selectively engage with one of the output shafts so as to rotate together with one of the output shafts. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.

公开(公告)号：US10065640B2

公开(公告)日：2018-09-04

申请号：US15215335

申请日：2016-07-20

Applicant: BYD COMPANY LIMITED

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

IPC: B60W10/06 ,  B60W10/08 ,  B60W10/26 ,  B60W30/14 ,  B60K6/387 ,  B60K6/442 ,  B60K6/445 ,  B60W50/02 ,  B60W10/113 ,  B60W20/10 ,  B60W20/11 ,  B60W50/029

Abstract: The present disclosure discloses a cruise control method for a vehicle. The vehicle includes an engine unit, a transmission unit, a first motor generator, an output unit, a power switching device, a second motor generator, and a power battery. The cruise control method includes the following steps: when a signal for a vehicle to enter cruise control is detected, determining whether the vehicle meets a preset cruise control condition; and if the vehicle meets the preset cruise control condition, controlling the vehicle according to a current operating mode of the vehicle to enter a corresponding cruise mode, where when the current operating mode of the vehicle is an EV mode, the vehicle is controlled to enter an EV cruise mode, and when the current operating mode of the vehicle is an HEV mode, the vehicle is controlled to enter an HEV cruise mode. The present disclosure further discloses a vehicle.

公开(公告)号：US10000199B2

公开(公告)日：2018-06-19

申请号：US15078951

申请日：2016-03-23

Applicant: BYD COMPANY LIMITED

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

IPC: B60W20/00 ,  B60W20/13 ,  B60W50/00 ,  B60W10/06 ,  B60W10/08 ,  B60W20/40

CPC classification number: B60W20/13 ,  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 ,  F02N2200/061 ,  F02N2200/0801 ,  F02N2200/0802 ,  F02N2200/101 ,  F02N2200/124 ,  Y02T10/48 ,  Y02T10/6291 ,  Y02T10/7258

Abstract: The present disclosure provides a drive control method, a drive control device of a hybrid electric vehicle and a hybrid electric vehicle. The drive control method includes: obtaining a current gear position 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; obtaining a current speed of the hybrid electric vehicle if the current gear position of the hybrid vehicle, the current electric charge level of the power battery, and the slope of the road on which the hybrid electric vehicle is driving meet a preset requirement; and causing the hybrid electric vehicle to enter a small load stop mode if the current speed is greater than or equal to a first speed threshold, and less than a second speed threshold.

公开(公告)号：US09919699B2

公开(公告)日：2018-03-20

申请号：US14527410

申请日：2014-10-29

Applicant: BYD COMPANY LIMITED

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

IPC: B60W20/00 ,  B60W20/20 ,  B60K6/387 ,  B60K6/442 ,  B60K6/52 ,  B60W10/02 ,  B60W10/08 ,  B60W10/113 ,  B60W20/40 ,  B60K7/00 ,  B60K17/356 ,  F16H37/06

CPC classification number: B60W20/20 ,  B60K6/387 ,  B60K6/442 ,  B60K6/52 ,  B60K7/0007 ,  B60K17/356 ,  B60W10/02 ,  B60W10/06 ,  B60W10/08 ,  B60W10/113 ,  B60W20/14 ,  B60W20/40 ,  B60W30/18127 ,  B60W30/18172 ,  B60W2510/081 ,  B60W2510/244 ,  B60W2520/10 ,  B60W2540/10 ,  B60W2710/081 ,  F16H37/065 ,  Y02T10/6234 ,  Y02T10/6265 ,  Y10S903/93 ,  Y10T74/19014 ,  Y10T477/328

Abstract: A method for controlling a synchronizer of a vehicle is provided. The vehicle comprises an engine unit, a transmission unit configured to selectively couple with the engine unit and to couple with at least one of a plurality of wheels of the vehicle, a synchronizer configured to adjust a power transmission between the transmission unit and the wheels. The method comprises acquiring an operation mode and operation parameters of the vehicle and controlling the synchronizer to adjust the power transmission between the transmission unit and the wheels based on the operation parameters. A vehicle including a controller configured to control the synchronizer according to the method is also provided. The vehicle further includes a first motor generator configured to adjust a rotating speed of the synchronizer according to a speed of the vehicle, and a second motor generator configured to drive at least one of wheels of the vehicle.

公开(公告)号：US09855943B2

公开(公告)日：2018-01-02

申请号：US15078942

申请日：2016-03-23

Applicant: BYD COMPANY LIMITED

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

IPC: B60K6/48 ,  B60W50/00 ,  B60W20/13 ,  B60W20/40

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.

公开(公告)号：US09809215B2

公开(公告)日：2017-11-07

申请号：US15078953

申请日：2016-03-23

Applicant: BYD COMPANY LIMITED

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

IPC: B60W10/06 ,  B60W10/08 ,  B60W20/13 ,  B60W50/00 ,  B60W20/40

CPC classification number: B60W20/13 ,  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 ,  Y02T10/6291

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 where the hybrid electric vehicle is; 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, further 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.

公开(公告)号：US09568082B2

公开(公告)日：2017-02-14

申请号：US14527496

申请日：2014-10-29

Applicant: BYD COMPANY LIMITED

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

IPC: F16H3/08 ,  F16H37/08 ,  B60K17/356 ,  B60K6/442 ,  B60K7/00 ,  B60K6/387 ,  B60K6/52

CPC classification number: F16H37/0806 ,  B60K6/387 ,  B60K6/442 ,  B60K6/52 ,  B60K7/0007 ,  B60K17/356 ,  Y02T10/6234 ,  Y02T10/6265 ,  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, input shafts to receive power from the engine unit, an output shaft configured to transfer the power from the input shafts, linked gears rotatable differentially relative to the output shaft and configured to mesh with driving gears on the input shafts, an output unit fixed on the output shaft and configured to transmit the power to the front wheels of the vehicle, a synchronizer disposed on the output shaft and configured to selectively engage with the linked gears, a first motor configurable to perform either direct or indirect power transmission with at least one of the input shafts and the output shaft, and one or more second motor generators configured to drive the rear wheels of the vehicle.

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。 动力传递系统包括被配置为产生动力的发动机单元，用于从发动机单元接收动力的输入轴，被配置为从输入轴传递动力的输出轴，相对于输出轴可分别旋转的连接齿轮， 驱动齿轮在输入轴上，输出单元固定在输出轴上并且被配置为将动力传递到车辆的前轮;同步器，布置在输出轴上并被配置为选择性地与连接的齿轮啮合;第一马达可配置 用至少一个输入轴和输出轴进行直接或间接的动力传递，以及被配置成驱动车辆的后轮的一个或多个第二电动发电机。