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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.
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2.发明授权CHARGING SYSEM FOR ELECRIC VEHICLE AND ELECTRIC VEHICLE COMPRISING THE SAME 有权SYSTEM FOR电动汽车，电动汽车，为了LOADING
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
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。
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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.
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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
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.
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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
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.
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Patent Agency Ranking
公开(公告)号：EP4087117A1
公开(公告)日：2022-11-09
申请号：EP20909749.2
申请日：2020-11-25
Applicant: BYD Company Limited
Inventor： DU, Zhiyong , XU, Luhui , YU, Yilong , QI, Axi
IPC: H02P29/00
Abstract: A motor control system and a motor control apparatus are provided. The system includes a drive unit, a backup control unit, and a power unit. The drive unit is electrically connected to the power unit, and is configured to convert a received low-voltage drive signal into a high-voltage drive signal and output the high-voltage drive signal to the power unit. The power unit outputs, according to the high-voltage drive signal, a power supply drive signal provided by a high-voltage battery. The power supply drive signal is configured to drive a motor connected to the power unit to rotate. The backup control unit is electrically connected to the drive unit. The drive unit is configured to output a diagnosis signal indicating a running status of the drive unit to the backup control unit. If the diagnosis signal received by the backup control unit indicates that the drive unit is in a fault state, the backup control unit controls the drive unit to stop working, so that the drive unit stops outputting the high-voltage drive signal to the power unit, to control the motor to stop rotating.
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7.发明公开
公开(公告)号：EP3014734A1
公开(公告)日：2016-05-04
申请号：EP14817799.1
申请日：2014-06-30
Applicant: BYD Company Limited
Inventor： TANG, Xiaohua , YANG, Guangming , ZHANG, Xinxin , DU, Zhiyong , HU, Min , YU, Yilong , LIU, Jian , TANG, Zheqing , TANG, Fu
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.
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公开(公告)号：EP2831995A1
公开(公告)日：2015-02-04
申请号：EP13767963.5
申请日：2013-03-26
Applicant: BYD Company Limited
Inventor： DU, Zhiyong , CHEN, Xing , XIAO, Kai
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.
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公开(公告)号：EP2473863A1
公开(公告)日：2012-07-11
申请号：EP10811297.0
申请日：2010-08-29
Applicant: BYD Company Limited
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.
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公开(公告)号：EP4546642A1
公开(公告)日：2025-04-30
申请号：EP23829911.9
申请日：2023-06-09
Applicant: BYD Company Limited
Inventor： XU, Luhui , REN, Shaopeng , DU, Zhiyong
IPC: H02P29/62
Abstract: A motor driving system, a vehicle and a driving system control method are provided. The system comprises a heating controller, a motor controller and a driving motor. The heating controller is used for generating multiple PWM signals when the vehicle is in a parking state and a heating request is received, and outputting the multiple PWM signals to a motor controller so as to control the motor controller to output an alternating current to a stator, thereby enabling the stator and a rotor to generate heat in a static state and conduct the heat to an apparatus that initiates the heating request.
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