To provide a battery management system that can inhibit omission of data including battery information.SOLUTION: A monitoring device includes a monitoring IC 33 that acquires battery information, and a wireless IC 35. A control device 40 performs wireless communication with the wireless IC 35. The control device 40 transmits request data for requesting transmission of the battery information. The monitoring device 30 transmits response data including the battery information to the control device 40 in response to receiving the request data. The control device 40 makes next request data include communication establishment information of the response data with respect to the request data and transmits the next request data. The wireless IC 35 includes a transmission buffer 350 in which the battery information for a plurality of times can be individually accumulated, and transmits the battery information for one time in the transmission buffer 350 with respect to one piece of the request data. The wireless IC 35 deletes the battery information corresponding to the case of the communication establishment from the transmission buffer 350, and holds the battery information in the transmission buffer 350 in the case of the communication failure.SELECTED DRAWING: Figure 4

    【課題】電池情報を含むデータの欠落を抑制できる電池管理システムを提供すること。【解決手段】監視装置は、電池情報を取得する監視IC33と、無線IC35を有する。制御装置40は、無線IC35との間で無線通信を行う。制御装置40は電池情報の送信を要求する要求データを送信し、監視装置30は要求データを受信すると電池情報を含む応答データを制御装置40に送信する。制御装置40は、要求データに対する応答データの通信成立情報を含ませて次の要求データを送信する。無線IC35は、複数回分の電池情報を個別に蓄積可能な送信バッファ350を含み、ひとつの要求データに対して送信バッファ350内の一回分の電池情報を送信する。無線IC35は、通信成立の場合に対応する電池情報を送信バッファ350から削除し、通信不成立の場合に電池情報を送信バッファ350に保持する。【選択図】図4


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    Titel :

    BATTERY MANAGEMENT SYSTEM


    Weitere Titelangaben:

    電池管理システム


    Beteiligte:
    IIDA TAKASHI (Autor:in) / SHIGEMORI SHOGO (Autor:in) / NUMATA TATSUHIRO (Autor:in)

    Erscheinungsdatum :

    2022-09-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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