System and method for controlling engine cooling circulation system

Abstract

The invention relates to a system for controlling an engine cooling circulation system; the system comprises a main control unit, a detection mechanism and an actuating mechanism, wherein the main control unit is taken as a control center, and a corresponding program is stored in the main control unit; the detection mechanism is used for detecting vehicle signals and transmitting the detected information into the main control unit connected with a signal output end of the detection mechanism in real time; and the actuating mechanism is used for executing a control command, receiving control signals which are sent out by the main control unit connected with the actuating mechanism and correspondingly controlling the cooling circulation system. The invention also relates to a method for controlling the engine cooling circulation system. The control system and the control method are simple, and can be used for controlling the cooling liquid circulation path according to the different running conditions of an engine, thus guaranteeing the engine to run well and reducing the energy consumption and the emission of the engine; and furthermore, after the engine stops, an electronic auxiliary water pump can be continuously used for cooling the cooling liquid effectively, so that the service life of a booster is prolonged. The system and the method are suitable for various vehicle engines.

Description

technical field [0001] The invention belongs to the field of vehicles, and relates to a cooling cycle system of an engine, in particular to a control system and a corresponding control method of the engine cooling cycle system. Background technique [0002] With the depletion of oil, the price of oil has been increasing in recent years. At the same time, the exhaust gas emitted by vehicles has made air pollution more and more serious. At present, various automobile manufacturers are committed to the research and development of energy-saving and emission-reducing vehicles. Among them, optimizing The control of the cooling cycle system of the engine is one of the effective measures for energy saving and emission reduction. [0003] During the cold start and warm-up process of the engine, due to the low temperature of the engine, the combustion condition in the cylinder is poor, resulting in high fuel consumption and poor emission of the engine at this time; at the same time, w...

AI Technical Summary

Problems solved by technology

[0005] (1) Since the control system of the existing engine cooling cycle system cannot warm up the engine well at the initial stage of vehicle startup, resulting in a long warm-up time for cold start, high fuel consumption during warm-up, and harmful substances in the emissions High content;

[0006] (2) Only through the thermostat to control the size and circulation of the coolant through the thermostat, it is impossible to adjust the temperature of the coolant according to the operating conditions of the engine, resulting in the engine being at its best only in a narrow range of operating conditions The operating conditions under other working conditions are not ideal;

[0007] (3) Since the water pump in the cooling circulation system is controlled by the engine, after the engine stops, the water pump also stops running, and the coolant no longer circulates, so the supercharger cannot be effectively cooled and the life of the supercharger is reduced

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