To provide a battery control device for an electric vehicle that can efficiently create a battery characteristic map.SOLUTION: A battery control device (10) used for an electric vehicle (20): includes a battery (24) that stores power for driving: and a charging/discharging device (32) that performs charging/discharging of the battery. The battery control device includes a controller (11) that controls the charging/discharging device. The controller creates a characteristic map (M1) that shows the relationship between the voltage of the battery and SOC by repeating one step of charging, pausing of charging/discharging, and measuring the characteristics of the battery a plurality of times during charging the battery. The controller changes the amount of charge at one step of charging on the basis of conditions.SELECTED DRAWING: Figure 10
【課題】効率的にバッテリの特性マップを作成できる電動車両のバッテリ制御装置を提供する。【解決手段】走行用の電力を蓄積するバッテリ(24)と、バッテリの充電を行う充放電器(32)と、を備える電動車両(20)を対象とした電動車両のバッテリ制御装置(10)である。バッテリ制御装置は、充放電器を制御するコントローラ(11)を備え、コントローラは、バッテリの充電時に、一ステップの充電と、充放電の一時休止と、バッテリの特性測定とを複数回繰り返すことで、バッテリの電圧とSOCとの関係を示す特性マップ(M1)を作成し、コントローラは、条件に基づいて一ステップの充電の充電量を変化させる。【選択図】図10
BATTERY CONTROL DEVICE FOR ELECTRIC VEHICLE
電動車両のバッテリ制御装置
2023-08-18
Patent
Electronic Resource
Japanese
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |