公开(公告)号：US10319966B2

公开(公告)日：2019-06-11

申请号：US15122621

申请日：2015-04-29

Applicant: BYD COMPANY LIMITED

Inventor： Xing Liu ,  Hongjun Wang ,  Chao Zhang ,  Fangfang Bu ,  Liqiang Chen

IPC: H01M2/10 ,  B60K1/04

Abstract: A power battery device includes: a battery tray having a positioning member provided on the upper surface thereof; and a plurality of battery modules disposed on the battery tray and arranged in at least two layers in an up-down direction, each battery module comprising: a housing having a first positioning portion disposed on the upper surface of the housing and a second positioning portion disposed on the lower surface of the housing; a battery disposed within the housing, the first positioning portion of the housing in a lower layer is matched with the second positioning portion of the housing in an upper layer, and the battery modules in the lowermost layer of the battery modules are positioned by the positioning member.

公开(公告)号：US10312481B2

公开(公告)日：2019-06-04

申请号：US15242352

申请日：2016-08-19

Applicant: BYD COMPANY LIMITED

Inventor： Baolin Shao ,  Hongjun Wang ,  Chao Zhang ,  Fangfang Bu ,  Liqiang Chen

IPC: H01M2/10 ,  H01M2/20

Abstract: A housing assembly for a battery module includes a plurality of brackets disposed side by side in the front-rear direction and connected by a snap, and each two adjacent brackets defining a space for receiving the battery; a plurality of copper bars disposed vertically on the brackets and having a through-hole adapted for extending an electrode of the battery; and a plurality of insulating frames disposed on the copper bars to cover the electrodes of the batteries; wherein the insulating frame is connected with the bracket by a snap and has an extension direction as same as that of the copper bar. A battery module including the housing assembly is also provided.

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：US20170106899A1

公开(公告)日：2017-04-20

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 ,  H02P4/00 ,  B60L1/00

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：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。

公开(公告)号：US20150142237A1

公开(公告)日：2015-05-21

申请号：US14403368

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Xingchi Wu ,  Hongjun Wang ,  Shibin Xie

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

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：US20150104682A1

公开(公告)日：2015-04-16

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 ,  H01M10/63 ,  H01M10/615

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 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.

Abstract translation: 本发明提供一种电动汽车的电力系统，包括该电动车辆的电动汽车以及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; 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并且所述电池组的剩余电量大于运行电量阈值时，控制所述电池加热器加热所述电池组，以获得 电动车辆的当前节气门深度变化率，并且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; 电机 电机控制器 和隔离电感。

公开(公告)号：US11277936B2

公开(公告)日：2022-03-15

申请号：US16651184

申请日：2018-09-29

Applicant: BYD COMPANY LIMITED

Inventor： Xingguo Wu ,  Hongjun Wang ,  Zhen Li

IPC: H05K7/20 ,  B60L53/16 ,  B60L53/302

Abstract: This application discloses a heat dissipator for a charging connector, a heat dissipation device and a vehicle. The heat dissipator comprises a body formed to have a cooling chamber and an internally circumferentially defined receiving hole, wherein the receiving hole is configured to accommodate the charging connector.

公开(公告)号：US09446756B2

公开(公告)日：2016-09-20

申请号：US14403403

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Liqiang Chen ,  Hongjun Wang ,  Shibin Xie

IPC: H01M10/615 ,  B60W20/00 ,  B60L1/00 ,  B60L1/02 ,  B60L3/00 ,  B60L3/04 ,  B60L11/18 ,  H01M10/625 ,  H01M10/633 ,  H01M10/613 ,  B60W10/08 ,  B60W10/26

CPC classification number: B60W20/13 ,  B60L1/003 ,  B60L1/02 ,  B60L3/0023 ,  B60L3/0046 ,  B60L3/04 ,  B60L11/1805 ,  B60L11/1874 ,  B60L11/1875 ,  B60L2240/545 ,  B60L2250/16 ,  B60W10/08 ,  B60W10/26 ,  H01M10/613 ,  H01M10/625 ,  H01M10/633 ,  Y02T10/7005 ,  Y02T10/705 ,  Y10S903/93

Abstract: A power system of a hybrid electric vehicle, a hybrid electric vehicle comprising the same and a method for heating a battery group of the hybrid 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 with a first power or a second power when the hybrid electric vehicle is in an electric vehicle mode or a hybrid electric vehicle mode, 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; an electric distribution box; an engine; a motor; a motor controller connected with the motor and the electric distribution box respectively; and an isolation inductor.

Abstract translation: 提供混合电动车辆的动力系统，包括该混合动力车辆的混合电动车辆和用于加热混合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; 电池管理装置，其被配置为当所述混合电动车辆处于电动车辆模式或混合电动车辆模式时，当所述电池组的温度较低时，控制所述电池加热器以第一功率或第二功率加热所述电池组 比第一加热阈值和电池组的剩余电量大于停车电量阈值; 配电箱; 发动机 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：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）。