Engine exhaust system, air valve oil supply exhaust comprehensive control system and control method

Abstract

The invention discloses an engine exhaust system, an air valve oil supply exhaust comprehensive control system and a control method. A valve is arranged on a double-path exhaust pipe composed of an exhaust pipe and an exhaust branch pipe, and an air valve starting mechanism enables an air valve to be in the starting state all the time; a control module integrates engine relevant data to comprehensively control an exhaust valve, an air valve starting mechanism and an oil supply electromagnetic valve, so that an engine has three excellent properties of pressure reduction starting, cylinder stop oil stopping and exhaust valve brake; oil consumption can be reduced, emissions are reduced, the service life of an engine and the service life of a starting system are prolonged, and the safety guarantee of an automobile in mountain driving is improved; and according to the scheme, the structure is simple, and the system is suitable for matching mounting of most engine types.

Description

technical field [0001] The invention relates to an engine exhaust system, an engine valve oil supply and exhaust comprehensive control system and a control method, which relate to the technical fields of engine valve control, oil circuit control and exhaust pipes. Background technique [0002] With the needs of sustainable development of human beings, it is required to protect nature, upgrade the technology of various energy consumption, and try to achieve low consumption, high efficiency and low emission. Specific to the engine, energy saving and emission reduction has become an inevitable requirement. At present, in engine energy-saving and emission-reduction technologies, one technology basically realizes one function, and the engine needs to be redesigned, which is costly. Furthermore, the consensus in the engine industry is that the energy saving and emission reduction of the engine are contradictory, and the actual situation is also like this. After realizing energy s...

AI Technical Summary

Problems solved by technology

Chinese patent 201310165338.8 proposes a technical solution for cylinder deactivation and oil cutoff of the engine, which makes the valve open while stopping the oil supply to the cylinder, but it is impossible to be adopted and implemented in reality, because The non-working valve is always open, and the fresh air entering the cylinder directly enters the exhaust pipe, which will distort the data detected by the sensor installed on the exhaust pipe, thereby sending a distorted signal to the ECU, causing the ECU to order oil supply The electromagnetic valve increases the fuel injection time, so that the fuel injection volume of the working cylinder is increased, and the combustion is very incomplete, resulting in waste of fuel and increased emissions of harmful substances

Another important thing is that a large amount of oxygen-enriched gas in the exhaust pipe will lead to the reduction or failure of the exhaust gas processor, causing the emission to seriously exceed the standard

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