Title:
DUAL-ELECTRIC MOTOR HYBRID ELECTRIC VEHICLE, AND METHOD AND SYSTEM FOR HANDLING BATTERY FAULTS THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/217388
Kind Code:
A1
Abstract:
A dual-electric motor hybrid electric vehicle, and a method and system for handling battery faults thereof. The method for handling battery faults comprises: during a vehicle operating process, detecting in real time whether a power battery is faulty; if yes, determining the fault level of the power battery, the fault level comprising a medium level that can maintain the driving of a vehicle while limp; performing post-fault handling according to the fault level, comprising: when the fault level of the power battery is the medium level, controlling an engine to drive a first electric motor to generate power, while controlling the first electric motor to enter a voltage maintaining mode for operation, thereby providing a low voltage for a low-voltage load of the vehicle by means of a DC/DC converter of the vehicle.
Inventors:
HUI BING (CN)
LIU YIQIANG (CN)
FANG XIAOJUN (CN)
ZHAO XIWEI (CN)
WANG RUIPING (CN)
SCHOLTEN INGO (CN)
LIU YIQIANG (CN)
FANG XIAOJUN (CN)
ZHAO XIWEI (CN)
WANG RUIPING (CN)
SCHOLTEN INGO (CN)
Application Number:
PCT/CN2021/086354
Publication Date:
October 20, 2022
Filing Date:
April 12, 2021
Export Citation:
Assignee:
GEELY HOLDING GROUP CO LTD (CN)
NINGBO GEELY ROYAL ENGINE COMPONENTS CO LTD (CN)
ZHEJIANG GEELY POWERTRAIN CO LTD (CN)
NINGBO GEELY ROYAL ENGINE COMPONENTS CO LTD (CN)
ZHEJIANG GEELY POWERTRAIN CO LTD (CN)
International Classes:
B60W20/00; B60R16/03; B60W10/06; B60W50/029
Foreign References:
| CN110606074A | 2019-12-24 | |||
| CN112124300A | 2020-12-25 | |||
| CN111775928A | 2020-10-16 | |||
| US20180201138A1 | 2018-07-19 | |||
| CN103661383A | 2014-03-26 |
Attorney, Agent or Firm:
WISEAST INTELLECTUAL PROPERTY LAW FIRM (CN)
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