公开(公告)号：WO2013143439A1

公开(公告)日：2013-10-03

申请号：PCT/CN2013/073189

申请日：2013-03-26

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： DU, Zhiyong ,  CHEN, Xing ,  XIAO, Kai

IPC: H02P6/06 ,  H02P6/08 ,  H02P6/04 ,  H02P21/00

CPC classification number: H02P21/0035 ,  H02P21/0003 ,  H02P21/0021 ,  H02P21/22

Abstract: A method for controlling a rotation rate of an electric motor is provided. The method comprises following steps: judging whether an absolute value of a difference between an objective rotation rate of the electric motor and an actual rotation rate of the electric motor is greater than or equal to a predetermined value; and if yes, compensating a q axis current of the electric motor to adjust the rotation rate.

Abstract translation: 提供了一种用于控制电动机的转速的方法。 该方法包括以下步骤：判断电动机的目标转速与电动机的实际转速之差的绝对值是否大于或等于预定值; 如果是，则补偿电动机的q轴电流来调整转速。

公开(公告)号：WO2014206369A1

公开(公告)日：2014-12-31

申请号：PCT/CN2014/081249

申请日：2014-06-30

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： TANG, Xiaohua ,  YANG, Guangming ,  ZHANG, Xinxin ,  DU, Zhiyong ,  HU, Min ,  YU, Yilong ,  LIU, Jian ,  TANG, Zheqing ,  TANG, Fu

IPC: H02J7/02 ,  H02J3/32

CPC classification number: B60L11/185 ,  B60L1/006 ,  B60L11/1803 ,  B60L11/1811 ,  B60L11/1812 ,  B60L11/1816 ,  B60L11/1818 ,  B60L11/1838 ,  B60L15/007 ,  B60L15/02 ,  B60L2210/30 ,  B60L2210/40 ,  H02J3/32 ,  H02J5/00 ,  H02J7/02 ,  H02J7/022 ,  H02M7/487 ,  H04L12/10 ,  Y02E60/721 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7241 ,  Y02T10/7258 ,  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 motor controller for an electric vehicle are provided. The power system includes: a power battery (10); a charge-discharge socket (20); a three-level bidirectional DC-AC module (30); a motor control switch (40); 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 a third terminal of the charge-discharge control module (50) and a third terminal of the motor control switch (40), and configured to control the charge-discharge control module (50) and the motor control switch (40) according to a current working mode of the power system.

Abstract translation: 提供一种用于电动车辆的电力系统，电动车辆和电动车辆的电动机控制器。 电力系统包括：动力电池（10）; 充电 - 放电插座（20）; 三电平双向DC-AC模块（30）; 电机控制开关（40）; 充电 - 放电控制模块（50），其具有与三电平双向DC-AC模块（30）的AC端子连接的第一端子和与充放电插座（20）连接的第二端子; 以及与所述充放电控制模块（50）的第三端子和所述电动机控制开关（40）的第三端子连接的控制模块（60），并且被配置为控制所述充放电控制模块（50）和所述充放电控制模块 电机控制开关（40）根据电力系统的当前工作模式。

公开(公告)号：WO2014048283A1

公开(公告)日：2014-04-03

申请号：PCT/CN2013/083975

申请日：2013-09-23

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： LUO, Hui ,  DU, Zhiyong ,  ZHOU, Xuguang ,  ZHANG, Xinxin ,  CHEN, Xing ,  YANG, Taotao ,  CHENG, Lipin

IPC: H02P6/00

CPC classification number: H02P6/12 ,  H02P6/34 ,  H02P29/0241

Abstract: A method for checking an out-of-step of a synchronous motor includes detecting three-phase currents of the synchronous motor; determining whether a relationship between the three-phase currents satisfies a preset requirement; and if no, determining that the synchronous motor is out of step. It is determined that the synchronous motor is out of step when amplitudes of each current of the three-phase currents are not equal or when the phase difference between the three-phase currents is not 120°.

Abstract translation: 用于检查同步电动机的失步的方法包括检测同步电动机的三相电流; 确定三相电流之间的关系是否满足预设要求; 并且如果否，确定同步电动机不合格。 确定当三相电流的每个电流的幅度不相等时或当三相电流之间的相位差不是120°时，同步电动机失步。

公开(公告)号：WO2014048284A1

公开(公告)日：2014-04-03

申请号：PCT/CN2013/083977

申请日：2013-09-23

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： LUO, Hui ,  DU, Zhiyong ,  ZHOU, Xuguang ,  ZHANG, Xinxin ,  CHEN, Xing ,  XIAO, Kai ,  CHENG, Lipin

IPC: H02P6/18

CPC classification number: H02P6/12 ,  H02P6/182 ,  H02P6/34

Abstract: A method for checking an out-of-step of a synchronous motor includes: detecting electric degrees of the synchronous motor, in which the electric degrees comprise at least a first electric degree and a second electric degree detected at a preset interval, and the second electric degree is detected after the first electric degree; comparing the first electric degree with the second electric degree to obtain a comparing result; and determining that the synchronous motor is out of step when the comparing result satisfies a preset requirement. It is determined that the synchronous motor is out of step when the electric degree keeps unchanged or decreases progressively, or an increment of the electric degree is very small.

Abstract translation: 用于检查同步电动机的失步的方法包括：检测同步电动机的电度，其中电度至少包括以预设间隔检测的第一电度和第二电度，第二 在第一电度之后检测电度; 将第一电度与第二电度进行比较以获得比较结果; 并且当比较结果满足预设要求时，确定同步电动机不合格。 当电度保持不变或逐渐减小时，同步电动机不合格，或者电度的增量非常小。

公开(公告)号：WO2011023137A1

公开(公告)日：2011-03-03

申请号：PCT/CN2010/076444

申请日：2010-08-29

Applicant: BYD COMPANY LIMITED ,  TANG, Xiaohua ,  DU, Zhiyong ,  ZHOU, Yongzhuang ,  XIA, Cong ,  CHENG, Lipin ,  MA, Hui

Inventor： TANG, Xiaohua ,  DU, Zhiyong ,  ZHOU, Yongzhuang ,  XIA, Cong ,  CHENG, Lipin ,  MA, Hui

IPC: G01R31/34 ,  G01R19/145 ,  H02H3/13

CPC classification number: H02H7/09 ,  G01R31/026 ,  G01R31/343 ,  H02P29/0243

Abstract: An open phase detection system and method for a three-phase motor (5) are provided, and the system comprises: a signal generating unit (1) coupled to the three-phase motor (5) and configured to generate a driving signal for driving the three-phase motor (5), a detecting unit (2) coupled to the signal generating unit (1) and configured to detect whether the signal generating unit (1) generates the driving signal and to detect three-phase current values of the three-phase motor (5), and a determining unit (3) coupled to the detecting unit (2) and configured to determine whether the three-phase motor (5) has open phase according to the three phase current values detected by the detecting unit (2) when the driving signal was detected.

Abstract translation: 提供了一种用于三相电动机（5）的开放相位检测系统和方法，该系统包括：信号发生单元（1），耦合到三相电动机（5）并被配置为产生驱动信号 所述三相电动机（5），耦合到所述信号发生单元（1）的检测单元（2），用于检测所述信号产生单元（1）是否产生所述驱动信号，并且检测所述三相电动机 三相电动机（5）和耦合到所述检测单元（2）的确定单元（3），并且被配置为根据由所述检测单元检测到的三相电流值来确定所述三相电动机（5）是否具有断开相位 检测到驾驶信号时的单位（2）。

公开(公告)号：EP2800232B1

公开(公告)日：2018-07-04

申请号：EP12863723.8

申请日：2012-12-31

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

Inventor： TANG, Zheqing ,  DU, Zhiyong ,  TANG, Fu ,  ZHAO, Jun ,  LIANG, Qiyuan

IPC: H02J7/00 ,  H02M7/00 ,  B60L3/00 ,  B60L11/18 ,  B60L1/00 ,  H02J7/02 ,  H02J3/32 ,  H02J5/00 ,  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：EP2802056B1

公开(公告)日：2017-05-31

申请号：EP12862873.2

申请日：2012-12-31

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

Inventor： TANG, Zheqing ,  DU, Zhiyong ,  TANG, Fu

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

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 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.

Abstract translation: 本发明公开了基于电动汽车的充电/放电的载波通信方法，包括以下步骤：S1：被加电之后，开始电动汽车检测是否从外围设备的载波信号被接收通过接口线束和是否 载波信号是正确的; S2：检测所述载波信号，并检测没有上述载波信号是正确的情况下，电动汽车接收通过接口线束的载波信号; 和S3：电动汽车上所接收的载波信号执行耦合和滤波的载波信号转换成标准的载波信号，和标准的载波信号解调成数字信号，以获得所述外围设备的信息。 的方法，不增加线束的数目，可以实现数据传输，并在同一时间上的汽车和一个外围设备的ECU模块，以及与其它的信号线作为通信介质载波通信之间共享，以的基础上 避免新的通信网络的建设和投资，并降低制造成本和维护难度。 进一步游离缺失盘是一个载波通信系统和基于电动汽车充电/放电的载体装置。

公开(公告)号：EP4087118A1

公开(公告)日：2022-11-09

申请号：EP20908787.3

申请日：2020-12-29

Applicant: BYD Company Limited

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

IPC: H02P29/024 ,  H02P29/028

Abstract: The present invention provides a motor control system and a vehicle. The motor control system (1) includes a motor drive module (10), a multi-core processing module (20), and a safety logic module (30). The multi-core processing module (20) includes a main function core (21) and a lockstep monitoring core (22). The main function core (21) is configured to obtain sampling data, and when any one of the sampling data, a running status of the main function core (21), a motor control signal, and a running status of a motor is abnormal, the lockstep monitoring core (22) outputs a safety trigger signal; and the safety logic module (30) is configured to output an instruction for prohibiting execution of the motor control signal to the motor drive module (10) when receiving the safety trigger signal.

公开(公告)号：EP4087077A1

公开(公告)日：2022-11-09

申请号：EP20909205.5

申请日：2020-11-25

Applicant: BYD Company Limited

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

IPC: H02H7/08 ,  H02P27/08

Abstract: A motor control system and a motor control device are provided. The system includes a master control module, a drive module, and a monitoring module. The master control module is configured to output a low-voltage drive signal to the drive module, the drive module converts the low-voltage drive signal into a high-voltage drive signal and outputs the high-voltage drive signal to a power unit, and the power unit outputs, according to the high-voltage drive signal, a power supply drive signal provided by a high-voltage battery. The monitoring module is electrically connected with the master control module and the drive module, and is configured to acquire the low-voltage drive signal, and output a fault signal to the master control module when the low-voltage drive signal is abnormal, to control the master control module to stop outputting the low-voltage drive signal. The monitoring module includes at least an auxiliary power supply, and the auxiliary power supply is independent of the master control module and provides a working power supply for the monitoring module.

公开(公告)号：EP4109696A1

公开(公告)日：2022-12-28

申请号：EP21760281.2

申请日：2021-02-25

Applicant: BYD Company Limited

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

IPC: H02H7/08 ,  H02P29/00 ,  B60L15/00

Abstract: A motor control system and a vehicle. The motor control system (10) includes: a vehicle control unit (110), configured to obtain vehicle state data and output an instruction for cutting off motor output torque when determining an unexpected power transmission failure according to the vehicle state data; and a motor controller unit (120), connected to the vehicle control unit (110), and configured to stop outputting motor control torque in response to the instruction for cutting off motor output torque.