PROBLEM TO BE SOLVED: To correctly determine whether or not restarting is possible, regardless of a secondary battery kind.SOLUTION: A secondary battery state detector 1 for detecting a state of a secondary battery loaded on a vehicle comprises: measuring means (a current sensor 12) for measuring dark current flowing to a load after an engine of the vehicle has stopped; estimation means (a control unit 10) for estimating a self discharge rate of the secondary battery on the basis of an equivalent circuit of the secondary battery; acquisition means (the control unit 10) for acquiring air temperature in the future of a region where the vehicle has stopped; determination means (the control unit 10) for determining restarting possibility in the future of the secondary battery, on the basis of the air temperature acquired by the acquisition means, the dark current measured by the measuring means, and the self discharge rate estimated by the estimation means; and notification means (a portable terminal 30) for notifying a user of a determination result according to the determination means.
【課題】二次電池の種類によらず、再始動が可能か否かを正確に判定すること。【解決手段】車両に搭載される二次電池の状態を検出する二次電池状態検出装置1において、車両のエンジン停止後に負荷に流れる暗電流を測定する測定手段(電流センサ12)と、二次電池の自己放電率を二次電池の等価回路に基づいて推定する推定手段(制御部10)と、車両を停車した地域の将来における気温を取得する取得手段(制御部10)と、取得手段によって取得された気温と、測定手段によって測定された暗電流と、推定手段によって推定された自己放電率と、に基づいて、二次電池の将来における始動可能性を判定する判定手段(制御部10)と、判定手段による判定結果を、ユーザに対して通知する通知手段(携帯端末30)と、を有する。【選択図】図1
SECONDARY BATTERY CHARGE CONTROLLER AND SECONDARY BATTERY CHARGE CONTROL METHOD
二次電池充電制御装置および二次電池充電制御方法
22.10.2015
Patent
Elektronische Ressource
Japanisch
IPC: | 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 / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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