Turbocharger with intelligent control function and control method

Abstract

The invention relates to a turbocharger, in particular to the turbocharger with an intelligent control function. The turbocharger is characterized in that a sensing module is additionally arranged ona bypass valve of the turbocharger, an air pipe of the turbocharger is connected to an electric control unit, the output end of the electric control unit is connected to an ECU of an automobile engine, wherein the electric control unit is composed of an input module, an output module and a main controller, the input module is used for receiving signals transmitted by the sensing module and the ECUof the automobile engine, and the signals are buffered by a storage unit of the input module, then undergo A / D conversion and are transmitted to the main controller; and the main controller processesthe information according to the received information, the processed information is transmitted to the ECU of the automobile engine through the output module, and then an execution command is sent out by the ECU of the automobile engine.

Description

technical field [0001] The invention relates to a turbocharger, in particular to a controllable turbocharger. [0002] The present invention also relates to a method for controlling the turbocharger, in particular to a method for controlling the turbocharger according to the working state of the engine. Background technique [0003] The turbocharger is driven by the exhaust gas. In principle, it can only be passively driven by the exhaust gas discharged from the engine. In the range of low and medium speeds, when the exhaust gas is insufficient, there are disadvantages such as intake lag, insufficient intake air, and slow engine speed increase. In the high-speed range, there is too much exhaust gas, the supercharging pressure is too high, which causes the combustion pressure in the cylinder to be too high, and aggravates the mechanical load of the engine. That is to say, the turbocharger is passively driven by exhaust gas to achieve supercharging. Under various complex work...

AI Technical Summary

Problems solved by technology

[0003] The turbocharger is driven by the exhaust gas. In principle, it can only be passively driven by the exhaust gas discharged from the engine. In the range of low and medium speeds, when the exhaust gas is insufficient, there are disadvantages such as intake lag, insufficient intake air, and slow engine speed increase. In the high-speed range, there is too much exhaust gas, the supercharging pressure is too high, which causes the combustion pressure in the cylinder to be too high, and increases the mechanical load of the engine, etc.

That is to say, the turbocharger is passively driven by the exhaust gas to achieve supercharging. Under various complex working conditions, it can only be driven mechanically, and does not give full play to the best performance of the engine.

Existing technologies only unilaterally improve the response time of the bypass valve or increase the intake air volume, but cannot automatically adjust the fuel injection volume under various working conditions, and have limited effects on reducing engine energy consumption and improving engine performance

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