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Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2017004959
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enable suppression of explosive firing of a lithium ion battery stored in a power storage device due to fire caused by abnormality of the lithium ion battery.SOLUTION: A power storage device 12 includes a battery module 30 in which a plurality of lithium ion batteries are housed, converts AC power of a commercial AC system to DC power by a switching power supply unit 26, and stores the DC power in the battery module 30 via a bidirectional DC/DC converter 28 for use. A smoke fire extinguishing device 48 is provided in a storage container of the battery module 30. When the smoke fire extinguishing device 48 detects a fire caused by ignition of a lithium ion battery and a risk of catching fire by the power storage device due to a fire of a building, the smoke fire extinguishing device 48 extinguishes the fire by jetting extinguishing aerosol in the container of the battery module 30, and transmits a fire extinction activation signal to an alarm warning device to inform the fire of the power storage device 12 and the fire extinction activation of the smoke fire extinguishing device 48.SELECTED DRAWING: Figure 2

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Inventors:
IBARAKI HIROSHI
Application Number:
JP2016125028A
Publication Date:
January 05, 2017
Filing Date:
June 24, 2016
Export Citation:
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Assignee:
HOCHIKI CO
International Classes:
H01M2/10; A62C3/00; A62C3/16; A62C35/02; H01M10/48
Domestic Patent References:
JP2009142419A2009-07-02
JP2001257006A2001-09-21
JP2010191496A2010-09-02
JP2010097836A2010-04-30
JP2014531231A2014-11-27
Foreign References:
WO2012014348A12012-02-02
WO2009119340A12009-10-01
WO2011161792A12011-12-29
Attorney, Agent or Firm:
Susumu Takeuchi



 
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