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Construction method for test flow channel of air compressor equipment

A technology for equipment testing and construction methods, applied in the testing of mechanical components, testing of machine/structural components, measuring devices, etc., can solve problems such as inability to simulate high-altitude conditions and complex switching operations, and improve convenience and efficiency. , improve the overall effect

Pending Publication Date: 2022-02-11
上海智能新能源汽车科创功能平台有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for constructing a test channel for air compressor equipment in order to overcome the shortcomings of the above-mentioned prior art, such as the complicated operation of switching between different flow test ranges and the inability to simulate high-altitude conditions.

Method used

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  • Construction method for test flow channel of air compressor equipment
  • Construction method for test flow channel of air compressor equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0026] Such as figure 2 As shown, a method for constructing a test flow channel for air compressor equipment makes the test process easier and the test conditions more comprehensive, specifically including the test piece 3 and the main flow channel 4 for testing. The test piece 3 is set in the main flow channel In the channel 4, the main channel 4 at the front end of the tested part 3 is bifurcated to form the first flow channel 5 and the second flow channel 6. The first flow channel 5 is provided with a first proportional valve 7, and the second flow channel 6 is provided with a first flow channel. Two proportional valves 8, the air enters the main channel through the first flow channel 5 and the second flow channel 6 respectively, and the inlet pressure of the test piece 3 is controlled by the first proportional valve 7 and the second proportional valve 8 .

[0027] A first flow meter 9 is arranged on the first flow channel 5 .

[0028] The first flow meter 9 is arranged b...

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Abstract

The invention relates to a construction method of a test flow channel of air compressor equipment, a tested piece is arranged in a main flow channel, the main flow channel at the front end of the tested piece is branched to form a first flow channel and a second flow channel, the first flow channel is provided with a first proportional valve, the second flow channel is provided with a second proportional valve, and air enters the main flow channel through the first flow channel and the second flow channel respectively. The first proportional valve and the second proportional valve are used for controlling the inlet pressure of the tested piece. Compared with the prior art, the method has the advantages that the step of switching by closing the tested piece during testing of different flow ranges is avoided, the convenience and efficiency of testing of the air compressor equipment are improved, and the comprehensiveness of testing of the air compressor equipment is improved.

Description

technical field [0001] The invention relates to the technical field of air compressor equipment testing, in particular to a method for constructing a testing channel for air compressor equipment. Background technique [0002] At present, with the development of the fuel cell industry, the requirements for equipment such as air compressors / hydrogen circulation pumps are getting higher and higher, so relevant test equipment is required to test the above-mentioned parts to be tested. Air compressor performance parameters, such as figure 1 As shown, the test bench adopts the method of double-channel parallel connection, and the air compressors with different flow rates are tested with different flow channels. [0003] However, this flow channel test method has its own limitations: first, when testing a large-flow air compressor, a large flowmeter needs to be used for testing, and when testing a performance diagram or map in a small flow range, it is necessary to switch to a sma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 崔明杰余卓平杨秦泰
Owner 上海智能新能源汽车科创功能平台有限公司
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