CELL BALANCE CONTROL DEVICE AND CELL BALANCE CONTROL METHOD

PROBLEM TO BE SOLVED: To increase opportunities to equalize battery cells when a battery including a plurality of series-connected rechargeable battery cells is mounted on a mobile body.SOLUTION: A cell balance control device includes a battery monitoring section 2, a cell balancing section 4 and an...

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Bibliographische Detailangaben
1. Verfasser:	KURAISHI MAMORU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To increase opportunities to equalize battery cells when a battery including a plurality of series-connected rechargeable battery cells is mounted on a mobile body.SOLUTION: A cell balance control device includes a battery monitoring section 2, a cell balancing section 4 and an ECU 7, and equalizes rechargeable battery cells 11-1 to 11-n connected in series in a battery mounted on a vehicle. The battery monitoring section 2 detects a voltage of each battery cell. The cell balancing section 4 equalizes voltages of the plurality of battery cells on the basis of the voltage of each battery cell detected by the battery monitoring section 2. The ECU 7 instructs the cell balancing section 4 to equalize the plurality of battery cells in response to at least one of the start of an idling stop state of the vehicle, the start of a charging operation of the battery, and the end of the charging operation of the battery.