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：EP2867975A1

公开(公告)日：2015-05-06

申请号：EP13809408.1

申请日：2013-06-26

Applicant: BYD Company Limited

Inventor： YANG, Guangming ,  ZHANG, Xiaohui ,  TANG, Zheqing ,  LIU, Jian

IPC: H02J7/00

CPC classification number: B60L11/185 ,  B60L3/003 ,  B60L53/11 ,  B60L53/14 ,  B60L53/22 ,  B60L53/30 ,  B60L53/65 ,  B60L58/12 ,  B60L2210/30 ,  B60L2240/545 ,  B60L2240/547 ,  B60L2240/549 ,  B60L2250/10 ,  B60L2270/20 ,  H02J7/022 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/169 ,  Y04S30/14

Abstract: A charging system for a vehicle, a vehicle comprising the charging system, and a method for controlling charging a vehicle with the charging system are provided. The charging system comprises: a battery; a first charging branch comprising a first rectifying unit and a first charging interface, in which the battery is connected with the first charging interface via the first rectifying unit; a second charging branch comprising a second rectifying unit and a second charging interface, in which the battery is connected with the second charging interface via the second rectifying unit; and a control unit connected with the first rectifying unit and the second rectifying unit respectively and configured to control the first charging branch and the second charging branch to charge the battery.

公开(公告)号：EP4333015A1

公开(公告)日：2024-03-06

申请号：EP22862809.5

申请日：2022-06-17

Applicant: BYD Company Limited

Inventor： GUO, Caifang ,  QI, Axi ,  LIU, Jian ,  GAO, Jian ,  LI, Lele

IPC: H01H47/32 ,  B60L50/60

Abstract: The present disclosure discloses a low-voltage power supply system and a vehicle having same. The low-voltage power supply system includes: a storage battery; an electric control board, the electric control board being connected with the storage battery, at least a battery management controller (BMC) module and a motor control module being integrated in the electric control board, and the motor control module being configured to control a power module; a control circuit, the control circuit being connected with the BMC module and being configured to receive a control command of the BMC module; a metal-oxide-semiconductor field-effect transistor (MOSFET), connected with the control circuit; and a battery management system, a contactor being arranged in the battery management system, the MOSFET being connected with the contactor and being mounted to the electric control board or the battery management system, and the BMC module being configured to control on/off of the MOSFET through the control circuit, to implement connection/disconnection between the storage battery and the contactor.

公开(公告)号：EP4342718A1

公开(公告)日：2024-03-27

申请号：EP22851734.8

申请日：2022-06-17

Applicant: BYD Company Limited

Inventor： GUO, Caifang ,  QI, Axi ,  LIU, Jian ,  GAO, Jian ,  LI, Lele

IPC: B60L50/60 ,  B60L15/20 ,  B60L58/27 ,  B60R16/023

Abstract: The present disclosure discloses an integrated controller, an electric drive assembly, and a vehicle. The integrated controller includes: a box; a control unit and a charging/discharging conversion unit that are arranged in the box; and a high-voltage interface assembly, including a high-voltage interface arranged on the box and a high-voltage connection member arranged in the box, the high-voltage connection member being connected with the high-voltage interface, the control unit, and the charging/discharging conversion unit to receive and distribute a high-voltage battery signal. The integrated controller may cancel arrangement of a high-voltage distribution box, which reduces a demand for a high-voltage wiring harness, reduces costs, and saves vehicle space.

公开(公告)号：EP4340107A1

公开(公告)日：2024-03-20

申请号：EP22855453.1

申请日：2022-08-10

Applicant: Byd Company Limited

Inventor： CHEN, Tao ,  LIU, Guoxiong ,  ZHANG, Xiaorui ,  LIU, Jian ,  WANG, Gaowu

IPC: H01M50/209 ,  H01M50/244 ,  H01M50/258 ,  H01M50/262

Abstract: A battery module, a battery pack, and a vehicle are provided. The battery module includes a battery body, an end plate, and a cover body. The battery body includes multiple battery cells. The multiple battery cells are arranged side by side. The end plate is arranged on an end portion of the battery body. According to the battery module, the end plate is arranged on the end portion of the battery body, the end plate is provided with a first exhaust channel therein, the cover body is engaged with multiple pressure relief valves to form a second exhaust channel, and the second exhaust channel is in communication with the first exhaust channel.

公开(公告)号：EP2867975B1

公开(公告)日：2020-04-15

申请号：EP13809408.1

申请日：2013-06-26

Applicant: BYD Company Limited

Inventor： YANG, Guangming ,  ZHANG, Xiaohui ,  TANG, Zheqing ,  LIU, Jian

IPC: H02J7/00 ,  B60L3/00

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

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.