公开(公告)号：EP4116721A1

公开(公告)日：2023-01-11

申请号：EP20922644.8

申请日：2020-08-24

Applicant: BYD Company Limited

Inventor： YU, Yilong ,  XU, Luhui ,  DU, Zhiyong ,  QI, Axi ,  YANG, Guangming

IPC: G01R31/34

Abstract: A device and a system for diagnosing a motor parameter are provided. The device includes a master chip, an excitation conditioning circuitry, a motor resolver unit, and a sine and cosine conditioning circuitry. The master chip includes a first analog-to-digital converter, a second analog-to-digital converter, a first processing unit, and a monitoring core.

公开(公告)号：EP4113772A1

公开(公告)日：2023-01-04

申请号：EP21771816.2

申请日：2021-03-17

Applicant: BYD Company Limited

Inventor： XU, Luhui ,  YU, Yilong ,  DU, Zhiyong ,  QI, Axi ,  YANG, Guangming

IPC: H02H7/08

Abstract: A motor control system and a vehicle. The motor control system (1) includes a main control unit (10), a power supply unit (20), and a driving unit (30). The main control unit (10) is configured to: obtain sampling data of a motor and a power supply signal from the driving unit (30), generate a motor control signal according to the sampling data, and output a safety enable signal when determining that motor drive is abnormal according to the sampling data or when determining that power supply to the driving unit (30) is abnormal according to the power supply signal. The power supply unit (20) is configured to: supply power to the main control unit (10), monitor a state of the main control unit (10), and output a safety cut-off signal when the power supply unit (20) or the main control unit (10) is abnormal. The driving unit (30) is configured to: drive the motor according to the motor control signal, and switch to a safe path when receiving any one of the safety enable signal or the safety cut-off signal.

公开(公告)号：EP2800226B1

公开(公告)日：2018-08-15

申请号：EP12861681.0

申请日：2012-12-31

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

Inventor： YANG, Guangming ,  ZHANG, Xinxin ,  DU, Zhiyong ,  ZHOU, Xuguang ,  LUO, Hongbin

IPC: H02J7/00 ,  H02M7/00 ,  B60L3/00 ,  B60L11/18 ,  B60L1/00 ,  H02J3/32 ,  H02J5/00 ,  H02J7/02 ,  H02J7/34 ,  H04B3/54

CPC classification number: B60L11/1838 ,  B60L1/006 ,  B60L3/003 ,  B60L3/0046 ,  B60L3/0069 ,  B60L11/1812 ,  B60L11/1814 ,  B60L11/1818 ,  B60L11/1842 ,  B60L11/1851 ,  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 ,  H02J7/02 ,  H02J7/022 ,  H02J7/345 ,  H02J2007/0067 ,  H04B3/542 ,  Y02E60/721 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7088 ,  Y02T10/7225 ,  Y02T10/7233 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/16 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14

Abstract: Disclosed are a carrier communication method based on electric automobile charging/discharging, comprising the following steps: S1: after being powered up and started, an electric automobile detecting whether a carrier signal from a peripheral device is received through an interface wire harness and whether the carrier signal is correct; S2: when detecting the carrier signal and detecting that the carrier signal is correct, the electric automobile receiving the carrier signal through the interface wire harness; and S3: the electric automobile performing coupling and filtering on the received carrier signal to convert the carrier signal into a standard carrier signal, and demodulating the standard carrier signal into a digital signal to obtain information of the peripheral device. The method, on the basis of not increasing the number of wire harness, may implement data transmission and sharing between an automobile and ECU modules of a peripheral device, and carrier communication with other signal lines as communication media at the same time, so as to avoid construction and investment of a new communication network, and reduce manufacturing cost and maintenance difficulty. Further disclosed are a carrier communication system and a carrier apparatus based on electric automobile charging/discharging.

公开(公告)号：EP3014733A1

公开(公告)日：2016-05-04

申请号：EP14817515.1

申请日：2014-06-30

Applicant: BYD Company Limited

Inventor： YANG, Guangming ,  LIU, Jian ,  YU, Yilong

IPC: H02J7/02 ,  H02J3/32

CPC classification number: B60L11/187 ,  B60L11/1805 ,  B60L11/1809 ,  B60L11/1812 ,  B60L11/1816 ,  B60L11/1838 ,  B60L11/1875 ,  B60L2240/545 ,  H02J3/32 ,  H02J5/00 ,  H02J7/02 ,  H02J7/022 ,  Y02E60/721 ,  Y02T10/7005 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T10/92 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y04S10/126

Abstract: A power system for an electric vehicle, an electric vehicle and a method for charging a power battery are provided. The power system includes: a power battery (10); a charge-discharge socket (20); a bidirectional DC-DC module (30); a driving control switch (40); a bidirectional DC-AC module (50); a motor (M); a motor control switch (60); a charge-discharge control module (70); a battery manager (108); and a control module (80) configured to control the driving control switch (40), the motor control switch (60) and the charge-discharge control module (70) so as to control the power system to enter a charge-discharge mode, and to control the power battery (10) to charge and discharge in a pulse mode so as to heat the power battery (10) when the temperature of the power battery (10) is lower than a predetermined temperature.

公开(公告)号：EP3013631A1

公开(公告)日：2016-05-04

申请号：EP14817295.0

申请日：2014-06-30

Applicant: BYD Company Limited

Inventor： YANG, Guangming ,  HU, Min

IPC: B60L11/18 ,  H02J7/00 ,  H02J3/32

CPC classification number: B60L11/1838 ,  B60L1/003 ,  B60L1/006 ,  B60L1/02 ,  B60L1/14 ,  B60L3/00 ,  B60L11/1803 ,  B60L11/1814 ,  B60L11/1816 ,  B60L11/1818 ,  B60L11/1846 ,  B60L15/007 ,  B60L2220/54 ,  B60L2220/56 ,  B60L2240/34 ,  B60L2250/16 ,  H02J3/32 ,  H02J7/0036 ,  H02J7/0072 ,  H02J7/022 ,  Y02E60/721 ,  Y02T10/641 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14

Abstract: An on-vehicle power supply system and an electric vehicle are provided. The on-vehicle power supply system includes: a power battery (10); a charge-discharge socket (20) connected with an external load (1001); a three-level bidirectional DC-AC module (30) having a first DC terminal connected with a first terminal of the power battery (10) and a second DC terminal connected with a second terminal of the power battery (10); a charge-discharge control module (50) having a first terminal connected with an AC terminal of the three-level bidirectional DC-AC module (30) and a second terminal connected with the charge-discharge socket (20); and a control module (60) connected with the charge-discharge control module (50) and the three-level bidirectional DC-AC module (30), and configured to control the three-level bidirectional DC-AC module (30) to convert a DC voltage of the power battery (10) into an AC voltage.

公开(公告)号：EP2800226A1

公开(公告)日：2014-11-05

申请号：EP12861681.0

申请日：2012-12-31

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

Inventor： YANG, Guangming ,  ZHANG, Xinxin ,  DU, Zhiyong ,  ZHOU, Xuguang ,  LUO, Hongbin

IPC: H02J7/00 ,  H02M7/00

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: Disclosed are an electric vehicle and a power system and a motor controller for an electric vehicle. The power system for an electric vehicle comprises a power battery (10); a charge-discharge socket (20); a two-way DC/DC module (30); a drive control switch (40); a two-way DC/AC module (50); a motor control switch (60); a charge-discharge control module (70); and a controller module (80). The controller module (80) is connected to the drive control switch (40), the motor control switch (60) and the charge-discharge control module (70), and the controller module (80) is used for controlling the drive control switch (40), the motor control switch (60) and the charge-discharge control module (70) in accordance with the current operating mode of the power system. The power system can achieve high-power AC charging to an electric vehicle using a civil or industrial AC power grid so that users can perform a quick charge at a high efficiency anytime and anywhere. In addition, the applicable battery has a wide range of operating voltages, thereby saving space and costs.

Abstract translation: 公开了一种电动车辆，电力系统和用于电动车辆的电动机控制器。 电动车辆的动力系统包括动力电池（10）; 充电 - 放电插座（20）; 双向DC / DC模块（30）; 驱动控制开关（40）; 双向DC / AC模块（50）; 电动机控制开关（60）; 充放电控制模块（70）; 和控制器模块（80）。 控制器模块（80）连接到驱动控制开关（40），电机控制开关（60）和充放电控制模块（70），控制器模块（80）用于控制驱动控制开关 （40），电动机控制开关（60）和充放电控制模块（70）。 电力系统可以使用民用或工业交流电网实现对电动车辆的大功率交流充电，使得用户可以随时随地以高效率执行快速充电。 此外，适用的电池具有宽范围的工作电压，从而节省空间和成本。

公开(公告)号：EP2097288B1

公开(公告)日：2014-06-18

申请号：EP07846122.5

申请日：2007-12-21

Applicant: Byd Company Limited

Inventor： TANG, Xiaohua ,  YU, Ming ,  ZHOU, Xuguang ,  GONG, Jian ,  LIU, Nan ,  YANG, Guangming

IPC: B60L7/10 ,  B60T8/17 ,  B60K6/48 ,  B60W10/18 ,  B60L7/14 ,  B60L15/20 ,  B60L7/18 ,  B60W10/08

CPC classification number: B60L7/18 ,  B60L7/14 ,  B60L11/1803 ,  B60L15/2009 ,  B60L2240/12 ,  B60L2240/423 ,  B60L2240/427 ,  B60L2250/26 ,  B60W10/08 ,  B60W10/18 ,  B60W2540/12 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/7275

公开(公告)号：EP2139736A1

公开(公告)日：2010-01-06

申请号：EP08734110.3

申请日：2008-04-18

Applicant: Byd Company Limited ,  Xu, Xunjin

Inventor： LIU, Kai ,  GONG, Jian ,  ZHOU, Xuguang ,  ZU, Bo ,  YANG, Guangming ,  QI, Axi ,  TANG, Xiaohua ,  ZHOU, Bo

IPC: B60W10/08 ,  B60W10/10 ,  F16H59/46

CPC classification number: B60W10/06 ,  B60W10/11 ,  B60W30/19 ,  B60W2510/1015 ,  B60W2710/0644 ,  B60W2710/0666 ,  F16H59/46 ,  F16H61/0403 ,  F16H63/502 ,  F16H2306/44 ,  F16H2306/46 ,  F16H2306/48 ,  F16H2306/50 ,  Y10T477/677

Abstract: A clutchless transmission apparatus and control method thereof. The transmission apparatus comprises a motor(10) and a transmission(20), said motor(10) is connected to said transmission(20) and supplies power to said transmission(20) via an input shaft of the transmission(20), wherein said apparatus further comprises a control device(30), which is electrically connected to said motor(10) and said transmission(20), wherein said control device(30) is configured to determine whether a gear-position shifting is required based on rotation speed of said transmission(20), if a gear-position shifting is required, regulates torque of said motor(10) to control said transmission(20) to disengage, and then regulates the rotation speed of said motor(10) based on the rotation speed of said transmission(20) to control said transmission(20) to engage for shifting gear-position. The clutchless transmission apparatus provided in the present invention doesn't need a clutch during gear-position shifting, and therefore it is light, simple, easy to maintain and control, and can be used in a wide range of application.

Abstract translation: 无离合器变速器装置及其控制方法。 该变速器装置包括电动机（10）和变速器（20），所述电动机（10）连接到所述变速器（20）并且经由变速器（20）的输入轴向所述变速器（20）供电，其中 所述设备还包括电连接到所述电机（10）和所述变速器（20）的控制装置（30），其中所述控制装置（30）配置成基于旋转确定是否需要档位换档 如果需要档位换档，则所述变速器（20）的速度调节所述马达（10）的转矩以控制所述变速器（20）分离，然后基于所述马达 所述变速器（20）的转速控制所述变速器（20）接合以换档。 本发明提供的无离合变速器装置在换档过程中不需要离合器，因此重量轻，简单，易于维护和控制，并且可以用于广泛的应用。