PROBLEM TO BE SOLVED: To provide a vehicle battery controller capable of effectively extending a drivable distance of a vehicle to improve travel performance of the vehicle by performing efficient battery discharge control according to residual capacity of each battery when a plurality of batteries are connected in parallel.SOLUTION: When determination means 30 determines that total residual capacity E1r of a maximum charge amount battery group G1 is equal to or larger than prescribed capacity, a vehicle battery controller preferentially uses the maximum charge amount battery group G1. When it is determined that the total residual capacity E1r of the maximum charge amount battery group G1 is less than the prescribed capacity, the vehicle battery controller preferentially uses a battery group whose total residual capacity is less than the maximum charge amount battery group G1 and whose total residual capacity is larger than the prescribed capacity among a plurality of battery groups.SELECTED DRAWING: Figure 3
【課題】複数個のバッテリを並列接続した場合に各バッテリの残容量に応じて効率のよいバッテリ放電制御を行うことで、車両の航続距離を効果的に延長し、車両の走行性能を向上することができる、車両用バッテリの制御装置を提供する。【解決手段】車両用のバッテリ制御装置は、判定手段30により、最大充電量バッテリ群G1の総残容量E1rが所定容量以上であると判定されたとき、最大充電量バッテリ群G1を優先使用し、最大充電量バッテリ群G1の総残容量E1rが所定容量未満であると判定されたとき、複数のバッテリ群のうち、総残容量が最大充電量バッテリ群G1未満となるバッテリ群であって、総残容量が所定容量よりも大となるバッテリ群を優先使用する。【選択図】図3
VEHICLE BATTERY CONTROLLER
車両用バッテリの制御装置
2018-04-05
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 |