To enhance safety of a power storage element and maintain usability by determining a cause of power loss, executing protective operation when external short circuit occurs, and not executing protective operation when starting the engine.SOLUTION: A management device 50 for a power storage element 30 for starting an engine, includes at least a processing unit 51 for managing the power storage element 30. When the management device 50 of the power storage element 30 has lost power due to a voltage drop of the power storage element 30, the processing unit 51 determines whether a cause of the loss of power is an external short circuit in which external terminals of the power storage element 30 are short-circuited or an engine start. In the case of an external short circuit, a response operation corresponding to an occurrence of the external short circuit is executed, and in the case an of engine start, the response operation is not executed.SELECTED DRAWING: Figure 5
【課題】電源喪失に至った原因を判別して、外部短絡時は保護動作を実行し、エンジン始動時は保護動作を実行しないことより、蓄電素子の安全性を高めつつ、使用性を維持する。【解決手段】エンジン始動用の蓄電素子30の管理装置50であって、前記蓄電素子30を管理する処理部51を少なくとも含み、前記蓄電素子30の電圧低下により前記蓄電素子30の管理装置50が電源喪失に至った場合、前記処理部51は、電源喪失に至った原因が、前記蓄電素子30の外部端子間が短絡する外部短絡又はエンジン始動のいずれであるかを判別し、外部短絡である場合、前記外部短絡の発生に応じた応答動作を実行し、エンジン始動である場合、前記応答動作を実行しない。【選択図】図5
MANAGEMENT DEVICE, POWER STORAGE DEVICE, AND METHOD OF MANAGING POWER STORAGE ELEMENT
管理装置、蓄電装置、蓄電素子の管理方法
08.08.2019
Patent
Elektronische Ressource
Japanisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES |
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