公开(公告)号：US20150166045A1

公开(公告)日：2015-06-18

申请号：US14403403

申请日：2013-05-22

Applicant: BYD COMPANY LIMITED

Inventor： Liqiang Chen ,  Hongjun Wang ,  SHIBIN Xie

IPC: B60W20/00 ,  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。