公开(公告)号：EP2853003A1

公开(公告)日：2015-04-01

申请号：EP13794515.0

申请日：2013-05-22

Applicant: BYD Company Limited

Inventor： WU, Xingchi ,  WANG, Hongjun ,  XIE, Shibin

IPC: H01M10/50 ,  B60L11/18

CPC classification number: B60L11/1875 ,  B60L1/003 ,  B60L1/02 ,  B60L3/0023 ,  B60L3/0046 ,  B60L3/04 ,  B60L11/1805 ,  B60L11/1864 ,  B60L11/1874 ,  B60L2240/545 ,  B60L2250/16 ,  B60W10/08 ,  B60W10/26 ,  B60W30/194 ,  H01M10/613 ,  H01M10/615 ,  H01M10/625 ,  H01M10/633 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/7061

Abstract: A power system of an electric vehicle, an electric vehicle comprising the same and a method for heating a battery group (101) of the electric vehicle are provided. The power system of the electric vehicle comprises a battery group (101), a battery heater (102) connected with the battery group (101), and a battery management device (103) connected with the battery group (101) and the battery heater (102) respectively. The battery management device (103) is configured to control the battery heater (102) to heat the battery group (101 ) intermittently when the temperature of the battery group (101) is lower than a first temperature threshold and a residual electric quantity of the battery group (101) is larger than an electric quantity threshold. The power system further comprises an electric distribution box (104), a motor (105), a motor controller (106) connected with the motor (105) and the electric distribution box (104) respectively, and an isolation inductor (L2).

Abstract translation: 提供了电动车辆的电力系统，包括该电动车辆的电动车辆以及用于加热电动车辆的电池组（101）的方法。 电动车辆的电力系统包括电池组（101），与电池组（101）连接的电池加热器（102）以及与电池组（101）连接的电池管理装置（103），电池加热器 （102）。 当电池组（101）的温度低于第一温度阈值时，电池管理装置（103）被配置为控制电池加热器（102）间歇地加热电池组（101），并且剩余电量 电池组（101）大于电量阈值。 该电力系统还包括配电箱（104），电机（105），分别与电机（105）和配电箱（104）相连的电机控制器（106）和隔离电感（L2）。

公开(公告)号：EP2837056A1

公开(公告)日：2015-02-18

申请号：EP13794537.4

申请日：2013-05-22

Applicant: BYD Company Limited

Inventor： WU, Xingchi ,  WANG, Hongjun ,  XIE, Shibin

IPC: H01M10/50 ,  B60L11/18

CPC classification number: B60L11/1875 ,  B60L11/182 ,  B60L11/1851 ,  B60L11/1861 ,  B60L11/187 ,  H01M10/615 ,  H01M10/625 ,  H01M10/633 ,  Y02T10/7005 ,  Y02T10/705

Abstract: A power system of an electric vehicle, an electric vehicle comprising the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: a battery group (101); a battery heater (102) connected with the battery group (101); a battery management device (103) connected with the battery group (101) and the battery heater (102) respectively, and configured to control the battery heater to heat the battery group in a running heating mode or in a parking heating mode according to a temperature and a residual electric quantity of the battery group when the temperature of the battery group is lower than a first heating threshold and the residual electric quantity of the battery group is larger than a parking electric quantity threshold; a motor controller (106) connected with a motor (105) and an electric distribution box (104) respectively; and an isolation inductor (L2).

公开(公告)号：EP3677458A1

公开(公告)日：2020-07-08

申请号：EP18863764.9

申请日：2018-09-29

Applicant: BYD Company Limited

Inventor： WU, Xingchi ,  TAN, Jigang ,  WANG, Hongjun

IPC: B60H1/00

Abstract: This application discloses a temperature adjustment method and a temperature adjustment system for a vehicle. The temperature adjustment method includes the following steps: obtaining a required power used for performing temperature adjustment on a battery; obtaining an actual power used for performing temperature adjustment on the battery; and adjusting an opening degree of an intra-vehicle cooling branch and an opening degree of a battery cooling branch according to the required power, the actual power, an intra-vehicle temperature, and an air conditioner set temperature.

公开(公告)号：EP2853000B1

公开(公告)日：2017-11-01

申请号：EP13793475.8

申请日：2013-05-22

Applicant: BYD Company Limited

Inventor： WU, Xingchi ,  WANG, Hongjun ,  XIE, Shibin

IPC: H01M10/48 ,  B60L11/18

CPC classification number: B60L11/1875 ,  B60L11/1809 ,  B60L11/1838 ,  B60L11/1862 ,  H01M10/615 ,  H01M10/625 ,  H01M10/63 ,  H01M10/633 ,  Y02T10/7005 ,  Y02T10/705

公开(公告)号：EP2853000A1

公开(公告)日：2015-04-01

申请号：EP13793475.8

申请日：2013-05-22

Applicant: Byd Company Limited

Inventor： WU, Xingchi ,  WANG, Hongjun ,  XIE, Shibin

IPC: H01M10/50 ,  B60L11/18

CPC classification number: B60L11/1875 ,  B60L11/1809 ,  B60L11/1838 ,  B60L11/1862 ,  H01M10/615 ,  H01M10/625 ,  H01M10/63 ,  H01M10/633 ,  Y02T10/7005 ,  Y02T10/705

Abstract: A power system of an electric vehicle, an electric vehicle comprising the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: a battery group (101); a battery heater (102) connected with the battery group; a battery management device (103), configured to control the battery heater to heat the battery group when a temperature of the battery group is lower than a first heating threshold and a residual electric quantity of the battery group is larger than a running electric quantity threshold, to obtain a current throttle depth change rate of an electric vehicle in real time, and to control the battery heater to stop heating the battery group when the current throttle depth change rate reaches a preset throttle depth change rate threshold; an electric distribution box (104); a motor (105); a motor controller (106); and an isolation inductor (L2).

Abstract translation: 提供了电动车辆的电力系统，包括该电动车辆的电动车辆以及用于加热电动车辆的电池组的方法。 该电力系统包括：电池组（101）; 与电池组连接的电池加热器（102） 电池管理装置，用于当所述电池组的温度低于第一加热阈值，且所述电池组的剩余电量大于行进电量阈值时，控制所述电池加热器加热所述电池组 ，以实时获取电动汽车当前的节气门深度变化率，当当前节气门深度变化率达到预设的节气门深度变化率阈值时，控制电池加热器停止加热电池组; 配电箱（104）; 电动机（105）; 一个马达控制器（106）; 和一个隔离电感（L2）。

公开(公告)号：EP3678257A1

公开(公告)日：2020-07-08

申请号：EP18862202.1

申请日：2018-09-29

Applicant: BYD Company Limited

Inventor： WU, Xingchi ,  TAN, Jigang ,  WANG, Hongjun

IPC: H01M10/613

Abstract: This application discloses a temperature adjustment method and a temperature adjustment system for a vehicle-mounted battery. The temperature adjustment method includes the following steps: obtaining a required power for temperature adjustment on a battery; obtaining an actual power for temperature adjustment on the battery; and adjusting a temperature of the battery according to the required power for temperature adjustment and the actual power for temperature adjustment. This application may precisely control a temperature adjustment time of the battery, and the actual power for temperature adjustment on the battery is adjustable in real time, so that a heating power and a cooling power of the vehicle-mounted battery may be precisely controlled according to an actual status of the vehicle-mounted battery, thereby adjusting the temperature of the vehicle-mounted battery when the temperature is excessively high or excessively low, maintaining the temperature of the vehicle-mounted battery within a preset range, and avoiding a case of affecting performance of the vehicle-mounted battery because of the temperature.

公开(公告)号：EP3206936A1

公开(公告)日：2017-08-23

申请号：EP15860825.7

申请日：2015-11-13

Applicant: BYD Company Limited

Inventor： XU, Jinze ,  WU, Xingchi ,  LUO, Wengang ,  ZHANG, Chao ,  WANG, Hongjun ,  LUAN, Zhenpai

IPC: B62D5/04 ,  B60R16/03 ,  B62D6/00

CPC classification number: B62D5/0481 ,  B60L1/00 ,  B60L1/003 ,  B60L2210/12 ,  B60L2210/14 ,  B60R16/03 ,  B60Y2200/91 ,  B60Y2400/112 ,  B62D5/046 ,  H02P4/00 ,  Y02T10/7225 ,  Y02T10/7233 ,  Y02T10/7258

Abstract: A steering power system for an electric vehicle and a method for controlling same are provided. The steering power system includes: a steering motor; a steering motor controller, configured to control the steering motor; a high voltage power battery, configured to output a first voltage; a low voltage storage battery, configured to output a second voltage; a buck DC-DC converter, configured to convert the first voltage into the second voltage for being supplied to the low voltage storage battery when a high voltage system works; and a boost DC-DC converter, configured to convert the second voltage into the first voltage. When the high voltage system has an abnormal power failure, the boost DC-DC converter converts the second voltage outputted from the low voltage storage battery into the first voltage for being supplied to the steering motor controller.

Abstract translation: 提供了一种用于电动车辆的转向动力系统及其控制方法。 该转向动力系统包括：转向马达; 转向马达控制器，用于控制转向马达; 高压动力电池，用于输出第一电压; 低电压蓄电池，被配置为输出第二电压; 降压型DC-DC转换器，用于在高压系统工作时将所述第一电压转换为所述第二电压供给所述低压蓄电池; 以及升压DC-DC转换器，被配置为将第二电压转换为第一电压。 当高压系统具有异常电力故障时，升压DC-DC转换器将从低电压蓄电池输出的第二电压转换成第一电压，以供应给转向马达控制器。

公开(公告)号：EP3691020A1

公开(公告)日：2020-08-05

申请号：EP18863154.3

申请日：2018-09-29

Applicant: BYD Company Limited

Inventor： WU, Xingchi ,  TAN, Jigang ,  WANG, Hongjun

IPC: H01M10/613

Abstract: A temperature regulating system of an in-vehicle battery is disclosed in this application. The system includes: a heat exchanger; an in-vehicle air conditioner, where the in-vehicle air conditioner is provided with an air conditioner vent, a first air duct is formed between the air conditioner vent and the heat exchanger, a semiconductor heat exchange module, where a second air duct is formed between a cooling end of the semiconductor heat exchange module and the first fan, and a third air duct is formed between the cooling end of the semiconductor heat exchange module and a compartment; a battery thermal management module, where the battery thermal management module is connected to the heat exchanger to form a heat exchange flow path; and a controller, connected to the semiconductor heat exchange module, the battery thermal management module, and the in-vehicle air conditioner. The system can regulate the temperature when the temperature of the in-vehicle battery is excessively high, so that the temperature of the in-vehicle battery is maintained in a preset range, thereby avoiding the situation that the performance of the in-vehicle battery is affected by the excessively high temperature.

公开(公告)号：EP2837056B1

公开(公告)日：2019-05-01

申请号：EP13794537.4

申请日：2013-05-22

Applicant: BYD Company Limited

Inventor： WU, Xingchi ,  WANG, Hongjun ,  XIE, Shibin

IPC: H01M10/60

公开(公告)号：EP2853003B1

公开(公告)日：2018-07-04

申请号：EP13794515.0

申请日：2013-05-22

Applicant: BYD Company Limited

Inventor： WU, Xingchi ,  WANG, Hongjun ,  XIE, Shibin

IPC: H01M10/60 ,  B60L11/18

CPC classification number: B60L11/1875 ,  B60L1/003 ,  B60L1/02 ,  B60L3/0023 ,  B60L3/0046 ,  B60L3/04 ,  B60L11/1805 ,  B60L11/1864 ,  B60L11/1874 ,  B60L2240/545 ,  B60L2250/16 ,  B60W10/08 ,  B60W10/26 ,  B60W30/194 ,  H01M10/613 ,  H01M10/615 ,  H01M10/625 ,  H01M10/633 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/7061

Abstract: A power system of an electric vehicle, an electric vehicle including the power system and a method for heating a battery group of the electric vehicle are provided. The power system of the electric vehicle includes: a battery group; a battery heater connected with the battery group; a battery management device connected with the battery group and the battery heater respectively, and configured to control the battery heater (102) to heat the battery group intermittently when a temperature of the battery group is lower than a first temperature threshold and a residual electric quantity of the battery group is larger than an electric quantity threshold; an electric distribution box; a motor; a motor controller connected with the motor and the electric distribution box respectively; and an isolation inductor.