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。