Engine throttle protection method, device, controller and vehicle

Abstract

The invention provides an engine throttle protection method and device, a controller and a vehicle, and relates to the technical field of vehicles. The engine throttle protection method comprises thesteps that whether a throttle valve piece of an engine is frozen or not is detected, if so, the throttle valve piece is controlled to repeatedly swing the preset number of times in a preset position range to break the frost on a throttle valve, after the swinging is completed, it is detected whether the icebreaking of the throttle valve piece is completed or not, and if so, the icebreaking actionis completed. Ice on the throttle valve piece can be removed, and it is realized that the vehicle can travel normally.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to an engine throttle protection method, device, controller and vehicle. Background technique [0002] When the external ambient temperature of the car is very low, it is likely that due to the condensation of water vapor in the gas passing through the throttle valve and the cyclic condensation of the gas in the intake manifold at the throttle valve, ice may appear on the valve plate of the throttle valve, which is serious. It will cause the throttle valve plate to freeze to death, the throttle valve will be ablated, and the vehicle can only run at a low speed. [0003] At present, in the relevant technologies, the arrangement position of the throttle valve is mainly optimized to reduce the condensation of water vapor as much as possible. However, if the arrangement position of the throttle valve is changed by calculation, there is still the possibility of icing phenomenon, which c...

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Problems solved by technology

[0002] When the external ambient temperature of the car is very low, it is likely that due to the condensation of water vapor in the gas passing through the throttle valve and the cyclic condensation of the gas in the intake manifold at the throttle valve, ice may appear on the valve plate of the throttle valve, which is serious. It will cause the throttle valve plate to freeze to death, the throttle valve will be ablated, and the vehicle can only run at a low speed.

[0003] At present, in the relevant technologies, the optimization of the arrangement position of the throttle valve is mainly used to reduce the condensation of water vapor as much as possible. However, if the calculation changes the arrangement position of the throttle valve, there is still the possibility of icing phenomenon, which cannot fundamentally solve the problem

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