To suppress, in a vehicle equipped with a plurality of battery packs connected in parallel to a load, reduction in output possible total power at the time of a high temperature while protecting the battery packs.SOLUTION: An output possible power comparison determination unit 15, for all connection patterns of a battery disconnection/connection control unit 3 that are establishable between a plurality of battery packs 2 and a load 4, calculates output possible total power of a battery module 1 using the upper limit current value of the battery packs 2 and determines whether there exists a high output pattern in which output possible total power is greater than that in the current connection pattern. A battery disconnection/connection control unit 16, when it is determined by the output possible power comparison determination unit 15 that the high output pattern exists, changes the battery disconnection/connection control unit 3 in the current connection pattern into the high output pattern.SELECTED DRAWING: Figure 2
【課題】負荷に対して並列に接続される複数のバッテリパックを備えた車両において、バッテリパックを保護しつつ、高温時の出力可能総電力の低下を抑制する。【解決手段】出力可能電力比較判定部15は、複数のバッテリパック2と負荷4との間で成立可能なバッテリ断接部3の接続パターンの全てについて、バッテリモジュール1の出力可能総電力を、バッテリパック2の上限電流値を用いてそれぞれ算出し、現在の接続パターンよりも出力可能総電力が大きい高出力パターンが存在するか否かを判定する。バッテリ断接制御部16は、高出力パターンが存在すると出力可能電力比較判定部15が判定した場合、バッテリ断接部3を現在の接続パターンから高出力パターンに変更する。【選択図】図2
VEHICLE BATTERY CONTROL SYSTEM
車両のバッテリ制御システム
2023-10-05
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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