Cooling system control method and vehicle

Abstract

The invention provides a control method of a cooling system and a vehicle. The control method of the cooling system comprises the steps that S1, the water temperature of an engine is determined; and S2, flow distribution of coolants in a bypass loop, a large circulation loop and an engine oil cooler loop is controlled according to the water temperature of the engine. According to the control method of the cooling system, oil consumption can be effectively reduced, emissions can be reduced, and taking comfort can be improved.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a cooling system control method and a vehicle. Background technique [0002] With the continuous aggravation of the energy crisis and the continuous deterioration of the environment, vehicle emission regulations are becoming more and more stringent. In addition, with the continuous improvement of people's material living standards, people's requirements for vehicle driving comfort are also constantly increasing, which requires auto manufacturers to better resolve the contradiction between vehicle fuel economy, emissions and driving comfort. The fuel economy and riding comfort of the car can be improved through thermal management of the engine. [0003] In related technologies, most of the cooling systems of engines use thermostats for water temperature control. Because thermostats cannot effectively manage the heat of the engine, for example, when the engine is cold started,...

AI Technical Summary

Problems solved by technology

[0003] In related technologies, most of the cooling systems of engines use thermostats for water temperature control. Because thermostats cannot effectively manage the heat of the engine, for example, when the engine is cold started, the heat generated by the engine cannot be effectively used to rapidly increase combustion. chamber wall temperature, resulting in abnormal combustion state, thereby increasing fuel consumption and emissions

In addition, since the temperature of the engine oil and the cylinder liner cannot be effectively increased in a short period of time, the frictional work loss of the engine at the initial stage of starting is high, the oil is diluted seriously, and the fuel consumption is increased.

In the full load stage after the heat engine is completed, due to the high water temperature, it leads to the occurrence of early ignition and knocking

At the same time, due to the failure of effective use of heat, the temperature of the engine water rises slowly, which affects the comfort of the ride.

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