The invention relates to the technical field of new energy vehicles, and discloses an electric drive assembly cooling and lubricating system, a control method and a vehicle, the system comprises an oil way system and a water way system, the oil way system comprises a transmission oil pan, an electric drive assembly, an electronic oil pump, a first temperature control three-way valve and an oil cooler; the waterway system comprises a low-temperature radiator, a battery pack, an electronic water pump, a vehicle control device and a second temperature control three-way valve; the water path system and the oil path system exchange heat through the oil cooler; the method comprises the steps that a current control mode is recognized, the control mode comprises a heating mode and a cooling mode, the heating mode is used for heating a battery pack in a water path system, and the cooling mode is used for cooling the oil path system; according to the electric drive oil temperature control system and method, fine control over the electric drive oil temperature is achieved, then the driving efficiency and transmission efficiency of an electric drive assembly are improved, and the energy loss of the electric drive assembly is remarkably reduced.
本发明涉及新能源车辆技术领域,公开了一种电驱总成冷却润滑系统、控制方法和车辆,系统包括油路系统和水路系统,油路系统包括变速器油底壳、电驱总成、电子油泵、第一温控三通阀和油冷器;水路系统包括低温散热器、电池包、电子水泵、车辆控制装置和第二温控三通阀;水路系统和油路系统通过油冷器进行热交换;方法包括:识别当前的控制模式,控制模式包括加热模式和冷却模式,加热模式用于对水路系统中的电池包进行加热,冷却模式用于对油路系统进行冷却;根据控制模式控制第一温控三通阀和第二温控三通阀的端口开闭,本发明实现了对电驱油温的精细控制,进而提升了电驱总成的驱动效率和传动效率,显著减少了电驱总成的能量损耗。
Electric drive assembly cooling and lubricating system, control method and vehicle
一种电驱总成冷却润滑系统、控制方法和车辆
2024-11-19
Patent
Electronic Resource
Chinese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES |
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