Test device and method for improving transient response through mixed turbocharged waste heat

Abstract

The invention relates to a test device and method for improving transient response through mixed turbocharged waste heat. The impeller end of a turbocharger is connected with a gas inlet pipe, the impeller end is connected with a gas inlet of an engine through a gas entering pipe, a waste gas outlet of the engine is connected with the turbine end of the turbocharger through a pipeline, the output end of the turbine end is connected with an exhaust pipe, the exhaust pipe is provided with a power turbine, the power turbine is connected with an electric generator, the electric generator is electrically connected with the input end of a storage battery through a rectifying circuit, a filter circuit and a voltage stabilizing circuit, the output end of the storage battery is electrically connected with an inverter, a frequency converter and a high-speed motor in sequence, a pressurization pipeline is sequentially provided with a gas compressor and an electromagnetic valve, the gas compressor is driven by the high-speed motor, the input end of the pressurization pipeline is connected with the gas inlet pipe, the output end of the pressurization pipeline is connected with the gas entering pipe, and the engine is provided with a crankshaft rotating speed sensor. The problem that transient response is insufficient in the cold-start stage of the engine is solved through waste heat of secondary waste gas exhausted by the engine.

Description

technical field [0001] The invention relates to a test device and method for improving transient response by using waste heat of a hybrid turbocharger. Background technique [0002] When the car starts and accelerates, due to reasons such as turbocharger response lag, the exhaust smoke level rises sharply, and "black smoke" that pollutes the environment and endangers health is discharged. At the same time, the low-speed torque of the engine is insufficient and the acceleration is poor. Therefore, it is of great significance to adopt technical measures to transform the existing turbocharged engine vehicles, improve the transient performance of the engine and reduce the exhaust smoke. Contents of the invention [0003] The object of the present invention is to provide a test device and method for improving the transient response by utilizing waste heat of a hybrid turbocharger for the above disadvantages. [0004] The solution adopted by the present invention to solve the t...

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Problems solved by technology

[0002] When the car starts and accelerates, due to reasons such as turbocharger response lag, the exhaust smoke level rises sharply, and "black smoke" that p

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