Control method and control device for air inlet grille assembly for vehicle

Abstract

The invention relates to the technical field of automobile control. The problem that in a running process of an existing vehicle provided with an active air inlet grille, due to the fact that blades are frozen easily, the air inlet grille loses efficacy is solved. Therefore, the invention provides a control method and a control device for an air inlet grille assembly of the vehicle; the air inletgrille assembly comprises rotatable blades, and the control device comprises a first temperature detection module, a second temperature detection module, and a control module; the first temperature detection module is used for detecting the temperature of a cooling liquid in a vehicle cooling system; the second temperature detection module is used for detecting the environment temperature; and thecontrol module is connected with the two temperature detection modules and used for selectively controlling the opening degree of the blades according to a detection result of the second temperaturedetection module when the cooling liquid temperature detected by the first temperature detection module is lower than a preset temperature threshold value. According to the control device provided bythe invention, when the vehicle is in a low-temperature environment, the air inlet grille blades can keep a safe opening degree, so that the problem that the air inlet grille loses efficacy due to thefact that the blades are frozen in a completely closed state is avoided.

Description

technical field [0001] The invention relates to the technical field of automobile control, in particular to a control method and a control device for a vehicle air intake grille assembly. Background technique [0002] Existing automobiles are all equipped with a cooling system, which uses the coolant circulated in the cooling system to cool down the engine or the car battery. The coolant is usually a mixture of ethylene glycol and water. In some cases, the heat exchange capacity of the coolant is insufficient, and it is necessary to use circulating air to assist in cooling. The air enters from the air intake grille at the head of the car body, but air cooling is not required in all cases. Continuing to take in the wind when air cooling is required will increase the driving resistance, thereby increasing energy consumption. In order to take into account both the air cooling function and the wind resistance reduction function, the active air intake grille came into being. Th...

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Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the air intake grille is likely to fail due to freezing of the blades during the driving process of the existing automobile equipped with the active air intake grille, the first aspect of the present invention provides a A method for controlling an air intake grill assembly for a vehicle, the air intake grill assembly includes rotatable blades,

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