POWER STORAGE SYSTEM, CONTROLLER, EXTINCTION METHOD FOR SECONDARY BATTERY, AND PROGRAM

PROBLEM TO BE SOLVED: To reduce a time from abnormal heat evolution of a secondary battery to a start of extinction by a fire extinguishing appliance.SOLUTION: A power storage system 100 comprises: a secondary battery 131 containing combustible material; a gas fire extinguishing appliance 104 for di...

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Hauptverfasser:	HASHIZAKI KATSUO, ASAI TOMOHIRO, OISHI MASAZUMI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce a time from abnormal heat evolution of a secondary battery to a start of extinction by a fire extinguishing appliance.SOLUTION: A power storage system 100 comprises: a secondary battery 131 containing combustible material; a gas fire extinguishing appliance 104 for discharging a fire extinguishing agent for suppressing combustion of the secondary battery 131; a monitoring device for measuring a temperature and voltage of the secondary battery 131; and a controller for making the gas fire extinction appliance 104 discharge the fire extinguishing agent when a temperature or voltage measured by the monitoring device exceeds a predetermined threshold.SELECTED DRAWING: Figure 1 【課題】二次電池の異常発熱から消火装置による消火開始までの時間を小さくする。【解決手段】蓄電システム１００は、可燃性物質を含有する二次電池１３１と、二次電池１３１の燃焼を抑制する消火剤を放出するガス消火装置１０４と、二次電池１３１の温度および電圧を計測する監視装置と、監視装置が計測した温度または電圧が所定の閾値を超える場合に、ガス消火装置１０４に消火剤を放出させる制御装置とを備える。【選択図】図１