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Self-circulating type test bed for turbocharger high-low temperature cycling thermal shock testing

A high-low temperature cycle and turbocharger technology, applied in the field of power machinery, can solve problems such as large power consumption, achieve the effects of reducing test costs, promoting reliability work, and improving turbocharger performance

Inactive Publication Date: 2015-03-25
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem in the prior art that a large amount of power is consumed by continuously inputting compressed air from an external air source, and to provide a self-circulating high and low temperature cycle thermal shock test bench for turbochargers

Method used

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  • Self-circulating type test bed for turbocharger high-low temperature cycling thermal shock testing
  • Self-circulating type test bed for turbocharger high-low temperature cycling thermal shock testing
  • Self-circulating type test bed for turbocharger high-low temperature cycling thermal shock testing

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Embodiment 1

[0035] Self-circulating turbocharger high and low temperature cycle thermal shock test test bench, such as figure 1 Shown.

[0036] The first self-circulation test bench consists of the first start control valve 1, the first air source intake pipe 2, the first combustion chamber 3, the first compressor outlet pipe 4, the first turbine intake pipe 6, and the first turbine exhaust pipe 9. The first compressor inlet pipe 13 and the first supercharger 11 to be tested are composed; the first supercharger 11 to be tested includes a first turbine 10 and a first compressor 12. One end of the first compressor intake pipe 13 is connected to the inlet of the first compressor 12, and the other end is connected to the atmosphere; the outlet of the first compressor 12 is connected to the first combustion chamber 3 through the first compressor outlet pipe 4, and the first combustion The other end of the chamber 3 is connected to the inlet of the first turbine 10 through the first turbine inlet ...

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Abstract

The invention relates to a device for testing the reliability of a turbocharger and belongs to the technical field of power machines. The device comprises two independent turbocharger self-circulating test beds, a connecting pipeline between the two test beds, a valve used for adjusting the gas flow between the two test beds, and a valve used for adjusting a turbocharger to be tested so as to enable the turbocharger to discharge air to the atmosphere. The invention further discloses an adjustment method for high-low temperature cycling thermal shock testing. According to the device and method, turbocharger high-low temperature cycling thermal shock testing is achieved based on self circulation of the turbochargers, an external source does not need to supply compressed air to the test beds, thermal shock testing of two turbochargers can be achieved at the same time, and testing cost is reduced. Compared with the method for conducting thermal shock testing on an engine, the test bed has the advantages that the test bed is not limited by the exhaust temperature of the engine, high-low temperature cycling thermal shock testing within a wider temperature range can be achieved, and the test bed has high application value in improving the reliability of the turbochargers.

Description

Technical field [0001] The invention relates to a turbocharger reliability test equipment, in particular to a turbocharger high and low temperature cycle thermal shock test test bench in a self-circulation mode, belonging to the technical field of power machinery. Background technique [0002] The application of turbocharging technology has played an important role in improving the specific power and fuel economy of internal combustion engines, and reducing emissions. In particular, with the increasingly stringent emission regulations, more and more vehicle manufacturers have adopted this technology . The turbocharger is installed on the exhaust side of the engine. During use, as the engine's operating conditions change, the heat and impact from the engine exhaust make the turbocharger in a complex working state. Under the impact of the thermal load of the engine exhaust, various problems may occur in the bearing system and the impeller of the turbocharger. In particular, the tu...

Claims

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Application Information

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IPC IPC(8): G01M13/00G01M7/08
Inventor 张志强徐娜曲荀之马朝臣
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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