To suitably perform charge/discharge control based on the battery temperature in a battery cooled by a cooling device.SOLUTION: An ECU 300 acquires first battery temperature detected by a first temperature sensor and second battery temperature detected by a second temperature sensor (S10). When a cooling device is operating (positive determination in S11), the ECU 300 calculates the maximum battery temperature and the minimum battery temperature from an operating map Ms (S12). When the cooling device is stopped (negative determination in S11), the ECU 300 calculates the maximum battery temperature and the minimum battery temperature from a non-operating map Mh (S13). The ECU 300 calculates the limit value of the charge/discharge current from a limit value map on the basis of the maximum battery temperature and the minimum battery temperature (S14).SELECTED DRAWING: Figure 3
【課題】冷却装置により冷却される電池において、電池温度に基づいた充放電制御を好適に行う。【解決手段】ECU300は、第1温度センサで検出した第1電池温度と、第2温度センサで検出した第2電池温度を取得する(S10)。冷却装置の作動時(S11で肯定判定)、ECU300は、作動時マップMsから最高電池温度と最低電池温度を算出する(S12)。冷却装置の停止時(S11で否定判定)、ECU300は、非作動マップMhから最高電池温度と最低電池温度を算出する(S13)。ECU300は、最高電池温度および最低電池温度に基づいて、制限値マップから、充放電電流の制限値を算出する(S14)。【選択図】図3
BATTERY CHARGE/DISCHARGE CONTROL METHOD
電池の充放電制御方法
2024-12-05
Patent
Electronic Resource
Japanese
IPC: | 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 |
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