Title:
PARKING BRAKE SYSTEM OF AUTOMOBILE, AUTOMOBILE AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/133744
Kind Code:
A1
Abstract:
Provided are a parking brake system of an automobile, an automobile and a control method therefor. By performing redundant backup on a motor driving unit, power can be provided for a motor execution mechanism by means of a motor redundancy unit when the motor driving unit fails, so as to improve the reliability and safety of EPB. The provided parking brake system comprises: a motor execution mechanism (105) for providing a brake force for wheels; a motor driving unit (103) connected to the motor execution mechanism (105) and used for providing power for the motor execution mechanism (105); and a motor redundancy unit (104) connected to the motor execution mechanism (105) and used for providing power for the motor execution mechanism (105) when the motor driving unit (103) fails.
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Inventors:
CHAI BENBEN (CN)
LIU FENGYU (CN)
ZHANG YONGSHENG (CN)
LIU FENGYU (CN)
ZHANG YONGSHENG (CN)
Application Number:
PCT/CN2020/138393
Publication Date:
June 30, 2022
Filing Date:
December 22, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
B60W30/06; B60T13/74; B60T17/18; B60T17/22
Foreign References:
| CN211417235U | 2020-09-04 | |||
| CN201998976U | 2011-10-05 | |||
| CN107757593A | 2018-03-06 | |||
| CN110281896A | 2019-09-27 | |||
| CN109823330A | 2019-05-31 | |||
| US20110202246A1 | 2011-08-18 |
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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