Engine detonation control device and engine detonation control method

Abstract

The invention provides an engine detonation control device and an engine detonation control method. The engine detonation control device senses the air cylinder pressure and the crankshaft position and sends the air cylinder pressure signal and the crankshaft position signal to an engine control module. The engine control module is used for judging the engine rotation speed and the crankshaft position according to the received crankshaft position signal, obtaining the ignition position of each air cylinder by combining the engine rotation speed and the crankshaft position with the pressure signal of each air cylinder, and respectively controlling the ignition to each air cylinder according to the obtained ignition position of each air cylinder. The invention can sense the pressure states of each air cylinder of the engine and independently set the air cylinder according to the sensed result, thereby independently processing different states of each air cylinder to well control the detonation phenomenon.

Description

technical field [0001] The invention relates to an engine knock control device and an engine knock control method. Background technique [0002] In order to improve the efficiency of the engine, an ignition advance angle is often required when igniting the cylinders of the engine, but this often produces knocking, which makes the engine unstable and causes a series of damage to the car. [0003] The current automobiles are equipped with ordinary piezoelectric knock sensors, which are generally installed in the middle of the first cylinder of the engine (on the engine body), but the positions of the distance sensors between different cylinders of the engine are not equal, so In the case of the same knock, the knock signals of different cylinders are inconsistent, which is not good for judging the strength of the engine. In addition, the knock sensor is installed on the engine body, which is greatly affected by the vibration and noise in the front cabin of the car, and is pro...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the inaccurate judgment of knocking existing in the existing engine knocking control device and engine knocking control method, the present invention proposes a method capable of accurately judging the different states of each cylinder of the engine, and based on this Engine knock control device for controlling engine knock and engine knock control method

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