BATTERY DEVICE

To provide a battery device capable of improving the accuracy of voltage detection.SOLUTION: The battery device includes a storage unit, a setting unit, a detection unit, and a conversion unit. The storage unit stores the closed circuit voltage of multiple battery cells electrically connected and ba...

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Hauptverfasser:	SATO YOSHIHIRO, KURACHI DAISUKE, KAWAHARA SHINGO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	To provide a battery device capable of improving the accuracy of voltage detection.SOLUTION: The battery device includes a storage unit, a setting unit, a detection unit, and a conversion unit. The storage unit stores the closed circuit voltage of multiple battery cells electrically connected and battery information including the amount of change of the closed circuit voltage. The setting unit sets the acquisition range of the closed circuit voltage based on the battery information. The detection unit detects the closed circuit voltage. The conversion unit converts the closed circuit voltage detected by the detection unit into a digital signal within the acquisition range set by the setting unit.SELECTED DRAWING: Figure 3 【課題】電圧検出の精度向上が図られた電池装置を提供する。【解決手段】電池装置は、記憶部と、設定部と、検出部と、変換部と、を有する。記憶部は、電気的に接続された複数の電池セルの閉路電圧と閉路電圧の変化量を含む電池情報を記憶している。設定部は、電池情報に基づいて閉路電圧の取得範囲を設定する。検出部は閉路電圧を検出する。変換部は、設定部で設定された取得範囲で、検出部で検出された閉路電圧をデジタル信号に変換する。【選択図】図３