Control method of cooling fan of vehicle battery system

The invention discloses a control method of a cooling fan of a vehicle battery system. The control method comprises the following steps that the overall noise of a vehicle is evaluated; the temperature of the battery system is detected; and a first target duty ratio of the cooling fan is determined...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GUI QIZHEN, REN QING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a control method of a cooling fan of a vehicle battery system. The control method comprises the following steps that the overall noise of a vehicle is evaluated; the temperature of the battery system is detected; and a first target duty ratio of the cooling fan is determined according to the overall noise of the vehicle and the temperature of the battery system. According to the control method of the cooling fan of the vehicle battery system in the embodiment, the first target duty ratio of the cooling fan is determined according to the overall noise of the vehicle andthe temperature of the battery system, the NVH of the vehicle can be effectively reduced, the driving comfort is improved, and the control method is simple and convenient to implement. 本发明公开了一种车用电池系统的冷却风扇的控制方法，包括步骤：评价车辆的整体噪音；检测电池系统的温度；根据所述车辆的整体噪音和所述电池系统的温度确定冷却风扇的第一目标占空比。根据本发明实施例的车用电池系统的冷却风扇的控制方法，根据车辆的整体噪音和电池系统的温度来确定冷却风扇的第一目标占空比，能有效地降低车辆的NVH，提升驾驶舒适性，且控制方法简单，便于实现。