To improve safety of a power storage element in the case that an abnormality concerning the safety of the power storage element occurs in an external device when opening of a breaker is prohibited since measurement parts fail.SOLUTION: In a management device (BMS50) of a power storage element 12, a management part 55 diagnoses failures of measurement parts (a current sensor 51, a voltage sensor 52, a temperature sensor 53), and executes prohibition processing for prohibiting opening of a relay 54 when the measurement parts fail, and open processing for opening the relay 54 even when the opening of the relay 54 is prohibited by the prohibition processing when the opening of the relay 54 is instructed from an ECU 60 of a vehicle 2 via a communication part 56.SELECTED DRAWING: Figure 2

    【課題】計測部が故障して遮断器のオープンを禁止しているとき、外部装置に蓄電素子の安全性に関わる異常が発生した場合の蓄電素子の安全性を向上させること。【解決手段】蓄電素子12の管理装置(BMS50)であって、管理部55は、計測部(電流センサ51、電圧センサ52、温度センサ53)の故障を診断し、計測部が故障している場合はリレー54のオープンを禁止する禁止処理と、通信部56を介して車両2のECU60からリレー54のオープンが指示された場合に、禁止処理によってリレー54のオープンが禁止されていてもリレー54をオープンするオープン処理と、を実行する。【選択図】図2


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    Title :

    MANAGEMENT DEVICE OF POWER STORAGE ELEMENT, SYSTEM, AND MANAGEMENT METHOD OF POWER STORAGE ELEMENT


    Additional title:

    蓄電素子の管理装置、システム、及び、蓄電素子の管理方法


    Contributors:

    Publication date :

    2020-09-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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 / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen



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