公开(公告)号：US09156371B2

公开(公告)日：2015-10-13

申请号：US14403272

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Hongjun Wang ,  Shibin Xie

IPC: B60L11/18 ,  H01M10/625 ,  H01M10/615 ,  H01M10/633

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 including the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: 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 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 connected with a motor and an electric distribution box respectively; and an isolation inductor (L2).

Abstract translation: 提供电动车辆的电力系统，包括该电动车辆的电动车辆和用于加热电动车辆的电池组的方法。 电力系统包括：电池组; 与电池组连接的电池加热器; 分别与电池组和电池加热器连接的电池管理装置，并且被配置为根据电池的温度和剩余电量来控制电池加热器以加热模式或停车加热模式加热电池组 当电池组的温度低于第一加热阈值并且电池组的剩余电量大于停车电量阈值时; 分别与电动机和配电箱连接的电动机控制器; 和隔离电感（L2）。

公开(公告)号：US09308828B2

公开(公告)日：2016-04-12

申请号：US14403368

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Hongjun Wang ,  Shibin Xie

IPC: B60L11/18 ,  B60L1/00 ,  B60L1/02 ,  B60L3/00 ,  B60L3/04 ,  H01M10/625 ,  H01M10/633 ,  H01M10/613 ,  B60W10/08 ,  B60W10/26 ,  B60W30/194 ,  H01M10/615

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.

Abstract translation: 提供电动车辆的电力系统，包括电力系统的电动车辆和用于加热电动车辆的电池组的方法。 电动车辆的动力系统包括：电池组; 与电池组连接的电池加热器; 分别与电池组和电池加热器连接的电池管理装置，并且被配置为当电池组的温度低于第一温度阈值和剩余电量时，控制电池加热器（102）间歇地加热电池组 的电池组大于电量阈值; 配电箱; 电机 与电动机和配电箱分别连接的电动机控制器; 和隔离电感。

公开(公告)号：US09963166B2

公开(公告)日：2018-05-08

申请号：US15316069

申请日：2015-11-13

Applicant: BYD COMPANY LIMITED

Inventor： Jinze Xu ,  Xingchi Wu ,  Wengang Luo ,  Chao Zhang ,  Hongjun Wang ,  Zhenpai Luan

IPC: B62D5/04 ,  B60L1/00 ,  H02P4/00

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

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.

公开(公告)号：US20150105955A1

公开(公告)日：2015-04-16

申请号：US14403272

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Hongjun Wang ,  Shibin Xie

IPC: 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 including the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: 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 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 connected with a motor and an electric distribution box respectively; and an isolation inductor (L2).

Abstract translation: 提供电动车辆的电力系统，包括该电动车辆的电动车辆和用于加热电动车辆的电池组的方法。 电力系统包括：电池组; 与电池组连接的电池加热器; 分别与电池组和电池加热器连接的电池管理装置，并且被配置为根据电池的温度和剩余电量来控制电池加热器以加热模式或停车加热模式加热电池组 当电池组的温度低于第一加热阈值并且电池组的剩余电量大于停车电量阈值时; 分别与电动机和配电箱连接的电动机控制器; 和隔离电感（L2）。

公开(公告)号：US11527789B2

公开(公告)日：2022-12-13

申请号：US16651964

申请日：2018-09-29

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Jigang Tan ,  Hongjun Wang

IPC: H01M10/633 ,  H01M10/48 ,  H01M10/625 ,  H01M10/6556 ,  H01M10/663 ,  B60L58/27 ,  B60H1/00 ,  H01M10/617 ,  H01M10/6568 ,  B60L58/26

Abstract: The present disclosure 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：US11440373B2

公开(公告)日：2022-09-13

申请号：US16651265

申请日：2018-09-29

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Jigang Tan ,  Hongjun Wang

IPC: B60H1/00 ,  H01M10/613 ,  H01M10/615 ,  H01M10/617 ,  H01M10/625 ,  H01M10/637 ,  H01M10/6556 ,  H01M10/663 ,  H01M10/63 ,  H01M10/6572

Abstract: A temperature regulating system of an in-vehicle battery is disclosed in the present disclosure. 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.

公开(公告)号：US20150105956A1

公开(公告)日：2015-04-16

申请号：US14403432

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Hongjun Wang ,  Shibin Xie

IPC: B60L11/18 ,  B60L15/20

CPC classification number: B60L11/1875 ,  B60L15/20 ,  H01M10/613 ,  H01M10/625 ,  H01M10/633 ,  H01M10/637 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/705 ,  Y02T10/7258

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; a battery heater, in which the battery heater comprises a output power adjusting module configure to adjust a heating power of the battery heater by adjusting a charge current and/or a discharge current; a battery management device configured to control the output power adjusting module to adjust the heating power of the battery heater to heat the battery group according to a temperature of the battery group when the 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 parking electric quantity threshold; a motor controller connected with a motor and an electric distribution box respectively; and an isolation inductor.

Abstract translation: 提供电动车辆的动力系统，包括该电动车辆的电动车辆和用于加热电动车辆的电池组的方法。 电力系统包括：电池组; 电池加热器，其中电池加热器包括输出功率调节模块，配置为通过调节充电电流和/或放电电流来调节电池加热器的加热功率; 电池管理装置，其被配置为当所述电池组的温度低于第一加热阈值时，控制所述输出功率调整模块以调整所述电池加热器的加热功率以根据所述电池组的温度加热所述电池组， 电池组的剩余电量大于停车电量阈值; 分别与电动机和配电箱连接的电动机控制器; 和隔离电感。

公开(公告)号：US11271261B2

公开(公告)日：2022-03-08

申请号：US16651936

申请日：2018-09-29

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Jigang Tan ,  Hongjun Wang

IPC: H01M10/625 ,  H01M10/613 ,  H01M10/615 ,  H01M10/633 ,  H01M10/48 ,  H01M10/6568 ,  H01M10/6569

Abstract: The present disclosure discloses a temperature adjustment method including: 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. The present disclosure 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：US10232733B2

公开(公告)日：2019-03-19

申请号：US14403222

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Hongjun Wang ,  Shibin Xie

IPC: B60L11/18 ,  H01M10/625 ,  H01M10/615 ,  H01M10/633 ,  H01M10/63

Abstract: A power system of an electric vehicle, an electric vehicle including the same, and a method for heating a battery group of the electric vehicle are provided. The power system includes: a battery group; a battery heater connected with the battery group; a battery management device, 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; a motor; a motor controller; and an isolation inductor.

公开(公告)号：US09463711B2

公开(公告)日：2016-10-11

申请号：US14403432

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Hongjun Wang ,  Shibin Xie

IPC: H01M10/625 ,  B60L11/18 ,  H01M10/637 ,  H01M10/633 ,  H01M10/613 ,  B60L15/20

CPC classification number: B60L11/1875 ,  B60L15/20 ,  H01M10/613 ,  H01M10/625 ,  H01M10/633 ,  H01M10/637 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/705 ,  Y02T10/7258

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; a battery heater, in which the battery heater comprises a output power adjusting module configure to adjust a heating power of the battery heater by adjusting a charge current and/or a discharge current; a battery management device configured to control the output power adjusting module to adjust the heating power of the battery heater to heat the battery group according to a temperature of the battery group when the 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 parking electric quantity threshold; a motor controller connected with a motor and an electric distribution box respectively; and an isolation inductor.

Abstract translation: 提供电动车辆的动力系统，包括该电动车辆的电动车辆和用于加热电动车辆的电池组的方法。 电力系统包括：电池组; 电池加热器，其中电池加热器包括输出功率调节模块，配置为通过调节充电电流和/或放电电流来调节电池加热器的加热功率; 电池管理装置，其被配置为当所述电池组的温度低于第一加热阈值时，控制所述输出功率调整模块以调整所述电池加热器的加热功率以根据所述电池组的温度加热所述电池组， 电池组的剩余电量大于停车电量阈值; 分别与电动机和配电箱连接的电动机控制器; 和隔离电感。