Title:
CHARGING-DISCHARGING CIRCUIT AND SYSTEM, AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/047221
Kind Code:
A1
Abstract:
A charging-discharging circuit and system, and an electric vehicle. The charging-discharging circuit comprises a battery (1), an electric motor (5), a first charging interface (6), a first bridge arm (2), a second bridge arm (3), a third bridge arm (4), a first switch (K1), a second switch (K2), a third switch (K3), a fourth switch (K4), a fifth switch (S1), a sixth switch (S2), a seventh switch (S3), and an eighth switch (S4). By means of the structure, the charging-discharging circuit can realize a driving mode and a charging mode, thereby omitting unnecessary parts in the charging-discharging circuit, and reducing the size of the charging-discharging circuit.
Inventors:
SU FENG (CN)
LIU WEIPING (CN)
LIANG YONGTAO (CN)
LIU WEIPING (CN)
LIANG YONGTAO (CN)
Application Number:
PCT/CN2020/095122
Publication Date:
March 18, 2021
Filing Date:
June 09, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
B60L53/00; B60L53/20; H01M10/44; H02J7/04; H02P27/06
Foreign References:
| CN110562058A | 2019-12-13 | |||
| CN107627881A | 2018-01-26 | |||
| US20180029473A1 | 2018-02-01 | |||
| CN107846055A | 2018-03-27 | |||
| JP2015198499A | 2015-11-09 | |||
| KR20120010631A | 2012-02-06 |
Other References:
See also references of EP 3971018A4
Attorney, Agent or Firm:
CHINABLE IP (CN)
Download PDF:
Previous Patent: DRYING AIR DUCT, GARMENT PROCESSING DEVICE, AND METHOD FOR CLEANING DRYING AIR DUCT
Next Patent: WIDE-ANGLE IMAGING LENS
Next Patent: WIDE-ANGLE IMAGING LENS