To provide a vehicle battery charge control device that can more reliably raise the temperature of a battery at the time of charging the battery and more reliably prevent the extension of a charging time.SOLUTION: A vehicle battery charge control device includes a battery 12 that supplies electric power to a motor 2 that drives a vehicle 1, a heater 13 that raises the temperature of the battery 12, a battery temperature information acquisition unit 31 that acquires the battery temperature T of the battery 12, a charging power supply unit 32 that distributes and supplies charging power supplied from a charging facility 20 to the vehicle 1, to the battery 12 and the heater 13 at a predetermined distribution rate, and a distribution rate control unit 33 that controls the distribution rate by the charging power supply unit 32 on the basis of the battery temperature T acquired by the battery temperature information acquisition unit 31, and the distribution rate control unit 33 performs control such that the distribution rate to the heater 13 increases when the temperature rise rate ΔT of the battery 12 in a predetermined time is less than a second threshold value TH2.SELECTED DRAWING: Figure 1
【課題】バッテリ充電時におけるバッテリ昇温をより確実に実行でき、充電時間の延長をより確実に防ぐことができる、車両用バッテリの充電制御装置を提供すること。【解決手段】車両用バッテリの充電制御装置は、車両1を駆動するモータ2に電力を供給するバッテリ12と、バッテリ12を昇温するヒータ13と、バッテリ12のバッテリ温度Tを取得するバッテリ温度情報取得部31と、充電設備20から車両1に供給される充電電力を、バッテリ12及びヒータ13に所定の分配率で分配して供給する充電電力供給部32と、バッテリ温度情報取得部31により取得されるバッテリ温度Tに基づき、充電電力供給部32による分配率を制御する分配率制御部33と、を備え、分配率制御部33は、所定時間におけるバッテリ12の昇温率ΔTが第2閾値TH2未満の場合、ヒータ13への分配率が増加するように制御する。【選択図】図1
VEHICLE BATTERY CHARGE CONTROL DEVICE
車両用バッテリの充電制御装置
2020-12-03
Patent
Electronic Resource
Japanese