Title:
BATTERY CIRCUIT AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/231485
Kind Code:
A1
Abstract:
A battery circuit (100), comprising a power supply end (101), a first battery pack (102), a second battery pack (103), a voltage transformation unit (104), a first switch (105), a second switch (106) and a grounding end (107), wherein a positive electrode of the first battery pack (102) is connected to the power supply end (101), and a negative electrode thereof is connected to a positive electrode of the second battery pack (103); a negative electrode of the second battery pack (103) is connected to the grounding end (107); a first end of the first switch (105) is connected to the power supply end (101), and a second end thereof is connected to a first end of the second switch (106); a second end of the second switch (106) is connected to the grounding end (107); the voltage transformation unit (104) is connected between the negative electrode of the first battery pack (102) and the second end of the first switch (105); the deviation between a rated voltage of the first battery pack (102) and a rated voltage of the second battery pack (103) is less than a first preset range; and the deviation between the ratio of the capacity of the first battery pack (102) to the capacity of the second battery pack (103) and the ratio of the maximum discharge rate of the second battery pack (103) to the maximum discharge rate of the first battery pack (102) is less than a second preset range. Also disclosed is a vehicle comprising the battery circuit.
Inventors:
XIONG SHI (CN)
FENG TIANYU (CN)
DENG LINWANG (CN)
FENG TIANYU (CN)
DENG LINWANG (CN)
Application Number:
PCT/CN2023/079719
Publication Date:
December 07, 2023
Filing Date:
March 06, 2023
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
B60L58/18
Foreign References:
| CN113696785A | 2021-11-26 | |||
| CN111422100A | 2020-07-17 | |||
| CN112677821A | 2021-04-20 | |||
| CN113824168A | 2021-12-21 | |||
| JP2010057291A | 2010-03-11 | |||
| US20030029654A1 | 2003-02-13 | |||
| US20130127398A1 | 2013-05-23 | |||
| US20130304342A1 | 2013-11-14 |
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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