Title:
POWER BATTERY, PROTECTION SYSTEM THEREOF, AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2017/143748
Kind Code:
A1
Abstract:
A power battery, a protection system thereof, and an electric vehicle. The protection system comprises a control device (400), a circuit on-off device (403), and a gas detection device (300) located in the power battery. The gas detection device (300) is configured to detect a combustible gas in the power battery when a mechanism for sensing gas pressure is started and feed back the detected signal to the control device (400). The control device (400) is configured to determine, according to the detected signal, whether to control the circuit on-off device (403) to cut off a charging and discharging circuit of the power battery.
Inventors:
PAN XIAOPING (CN)
ZHOU YANFEI (CN)
XIE XIUMEI (CN)
ZHANG ZHONGLIN (CN)
ZHOU YANFEI (CN)
XIE XIUMEI (CN)
ZHANG ZHONGLIN (CN)
Application Number:
PCT/CN2016/097394
Publication Date:
August 31, 2017
Filing Date:
August 30, 2016
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
G08B17/10; H01M10/48; H01M10/52; H01M50/574
Domestic Patent References:
| WO2010025761A1 | 2010-03-11 |
Foreign References:
| US6469511B1 | 2002-10-22 | |||
| US20120169296A1 | 2012-07-05 | |||
| CN102136552A | 2011-07-27 | |||
| CN204650704U | 2015-09-16 | |||
| CN203078324U | 2013-07-24 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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