PROBLEM TO BE SOLVED: To provide a protective device of low-voltage battery for vehicle, capable of preventing battery exhaustion of a low-voltage battery after charging completion without incurring appearance degradation and a cost increase of a vehicle.SOLUTION: The protective device of low-voltage battery for vehicle shuts down power supply from a second battery 10 to a low-voltage operation apparatus 9 when a power supply state in which the second battery 10 installed on a vehicle supplies electric power to the low-voltage operation apparatus 9 continues for over a predetermined time after charging into a first battery 6 mainly used for vehicle drive is completed by an external power supply device 7.SELECTED DRAWING: Figure 1
【課題】車両の美観悪化やコスト上昇を招くことなく、充電終了後の低電圧バッテリのバッテリ上がりを防止可能な車両用低電圧バッテリの保護装置を提供する。【解決手段】車両用低電圧バッテリの保護装置は、主に車両駆動に使う第1のバッテリ6に対する外部給電装置7による充電が終了した後、車両に搭載された第2のバッテリ10が低電圧動作機器9へ電力を供給している電力供給状態が所定時間以上継続した場合、第2のバッテリ10から低電圧動作機器9への電力供給を遮断する。【選択図】図1
PROTECTIVE DEVICE OF LOW-VOLTAGE BATTERY FOR VEHICLE
車両用低電圧バッテリの保護装置
2017-07-06
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 |
PROTECTIVE APPARATUS OF HIGH VOLTAGE BATTERY FOR VEHICLE
European Patent Office | 2020
|Protective apparatus for high voltage battery of vehicle
European Patent Office | 2021
|PROTECTIVE APPARATUS FOR HIGH VOLTAGE BATTERY OF VEHICLE
European Patent Office | 2020
|