Title:
FIREFIGHTING DEVICE, BATTERY PACK, ENERGY STORAGE SYSTEM, AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/024040
Kind Code:
A1
Abstract:
A firefighting device, a battery pack, an energy storage system, and an electric vehicle, related to the field of energy, and used to solve the problems of low usability of a fire extinguisher and low accuracy in extinguishing a battery pack fire. The firefighting device (1) or fire extinguisher comprises a first chamber (10), a second chamber (20) and an activation line (30), a fire extinguishing agent being stored in the first chamber (10), a gas-generating agent being stored in the second chamber (20), and the activation line (30) extending into the second chamber (20) to be in contact with the gas-generating agent. The second chamber (20) comprises a pressure relief port (25), the pressure relief port (25) being in communication with the first chamber (10) and used to spray a gas into the second chamber (20) into the first chamber (10), the second chamber (20) spraying the gas inside the second chamber (20) into the first chamber (10) via the pressure relief port (25); the first chamber (10) comprising an ejection port (11), the ejection port (11) being used to eject the fire extinguishing agent in the first chamber (10) after a gas generated when the gas-generating agent is ignited enters the first chamber (10), and the first chamber (10) ejecting the fire extinguishing agent inside the first chamber (10) through the ejection port (11).
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Inventors:
LIU ZONGZHE (CN)
ZHONG ZHENG (CN)
LE BIN (CN)
CHEN CHENG (CN)
ZHANG YEZHENG (CN)
LIN ZESHUN (CN)
ZHONG ZHENG (CN)
LE BIN (CN)
CHEN CHENG (CN)
ZHANG YEZHENG (CN)
LIN ZESHUN (CN)
Application Number:
PCT/CN2021/114852
Publication Date:
March 02, 2023
Filing Date:
August 26, 2021
Export Citation:
Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
A62C3/16; A62C37/14; H01M10/42; H01M10/613
Foreign References:
| CN107320871A | 2017-11-07 | |||
| JP2014090782A | 2014-05-19 | |||
| CN206526430U | 2017-09-29 | |||
| CN101716403A | 2010-06-02 | |||
| CN103301590A | 2013-09-18 | |||
| US20090133885A1 | 2009-05-28 |
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (CN)
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