To provide a vehicular power supply system capable of stabilizing a power supply system of an automatic operation system.SOLUTION: A vehicular power supply system comprises: a first power supply system that comprises a first DCDC converter (DDC) that performs voltage conversion of a supply power from a high-voltage battery, a first battery that can be charged with an output power of the first DDC, and a first load that includes an automatic operation system operating by a power of the first battery; a second power supply system that comprises a second DDC that performs voltage conversion of a supply power from the high-voltage battery, a second battery that can be charged with an output power of the second DDC, and a second load that includes a steering, a brake and an information communication unit operating by a power of the second battery; and a third power supply system that comprises a connection controller that controls connection between the second DDC and a third load, a third battery that can be charged with an output power of the connection controller, and the third load that includes a steering, a brake and an information communication unit operating by a power of the third battery. The first power supply system has two elements such as the first DDC and the first battery that can separate a power supply line to the automatic operation system.SELECTED DRAWING: Figure 1
【課題】自動運転システムの電源系を安定させることができる車両用電源システムを提供する。【解決手段】高圧電池からの供給電力を電圧変換する第1DCDCコンバータ(DDC)、第1DDCの出力電力で充電可能な第1バッテリ、第1バッテリの電力で動作する自動運転システムを含む第1負荷を備える第1電源系と、高圧電池からの供給電力を電圧変換する第2DDC、第2DDCの出力電力で充電可能な第2バッテリ、第2バッテリの電力で動作するステアリング、ブレーキ、及び情報通信部を含む第2負荷を備える第2電源系と、第2DDCと第3負荷との接続を制御する接続制御器、接続制御器の出力電力で充電可能な第3バッテリ、第3バッテリの電力で動作するステアリング、ブレーキ、及び情報通信部を含む第3負荷とを備える第3電源系と、を備える。第1電源系は、自動運転システムへの電源供給ラインを分離可能な第1DDCと第1バッテリとの2つを持つ。【選択図】図1
VEHICULAR POWER SUPPLY SYSTEM
車両用電源システム
2020-03-05
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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen |
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