The detection device is used for detecting performance of pulse valve

A detection device and a technology for detecting pulses, which are used in measurement devices, mechanical valve testing, mechanical component testing, etc., can solve problems such as high energy consumption for cleaning dust, abnormal equipment operation, and different diameters, and achieve accurate test results. , to avoid economic losses, to detect the effect of comprehensive content

Inactive Publication Date: 2020-03-27
四川中坚环境监测服务有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0003] At present, there are many varieties of pulse valves on the market, with different calibers and structures. The performance parameters of pulse valves can only be estimated according to the field use effect. The lack of reliable pulse valve performance evaluation methods and devices makes it difficult to accurately and Quantitatively provide the performance parameters of the pulse valve
Therefore, in the face of many pulse valves of different sizes, structures, an...
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Abstract

The invention discloses a detection device for detecting the performance of a pulse valve, and the device comprises four parts: a compressed air supply part, a pulse blowing part, a blowing airflow data collection part, and a data processing part, and the compressed air supply part consists of an air compressor, an air storage tank, a separator, and a pressure reducing valve. The pulse injection is composed of a pressure stabilizing air pocket, a detected pulse valve and an injection pipe; the blowing airflow data acquisition unit is composed of a pressure sensor, a target, an acceleration sensor and a data acquisition unit; the data processing is composed of a microcomputer controller; an air compressor, an air storage tank, a separator and a pressure stabilizing air pocket are connectedthrough an air compressing pipeline, and a pressure reducing valve is arranged on the pipeline between the separator and the pressure stabilizing air pocket. The detection content is comprehensive, complete and good in universality; the test result is accurate, stable and reliable, the operation is convenient, and the performance test, result comparison and evaluation of pulse valves of differenttypes, different structures and different sizes can be met.

Application Domain

Machine valve testing

Technology Topic

Pulse injectionCollections data +10

Image

  • The detection device is used for detecting performance of pulse valve

Examples

  • Experimental program(1)

Example Embodiment

[0016] The present invention will be further described below in conjunction with accompanying drawing.
[0017] see figure 1 , the detection device of the present invention, this device comprises compressed air supply, pulse injection, injection air flow data acquisition and data processing four parts, and described compressed air supply is composed of air compressor 1, air storage tank 2, separator 3 and a pressure reducing valve 4; the pulse injection is composed of a pressure-stabilizing air bag 5, a pulse valve 6 under inspection and a blowing pipe 7; Device 10 and data collector 11 constitute; Described data processing is constituted by microcomputer controller 12; Its air compressor 1, gas storage tank 2, separator 3 and pressure-stabilizing air bag 5 are connected with compressed air pipeline, in separator 3 Set the pressure reducing valve 4 on the pipeline between the pressure-stabilizing air bag 5; set the blowing pipe 7 and the target 9 directly below the pulse valve 6 under inspection, the blowing pipe 7 and the target 9 are aligned, and the pipe of the blowing pipe 7 There are small holes on the wall; pressure sensors 8 are respectively set on the pressure-stabilizing air bag 5 and the opening of the blowing pipe 7, and an acceleration sensor 10 is set on the target 9, and the pressure sensor 8 and the acceleration sensor 10 are connected with The input end of the data collector 11 is connected with the electrical control signal line, and the output end of the data collector 11 is connected with the microcomputer controller 12, and the microcomputer controller 12 is also connected with the electromagnetic valve on the pulse valve 6 with the control signal line. The pressure stabilizing air bag 5 is a combined type, which is divided into a main part and an auxiliary part, which are connected by flanges. The pulse valve 6 to be tested is installed on the auxiliary body part of the pressure stabilizing air bag 5 . A programmable controller is arranged between the microcomputer controller 12 and the pulse valve 6 to be tested.
[0018] Follow the steps below when testing:
[0019] 1) Install the tested pulse valve 6 on the auxiliary body of the pressure stabilizing air bag 5;
[0020] 2) Air compressor 1 provides compressed air for the pressure-stabilizing air bag 5, and adjusts the pressure of the pressure-stabilizing air bag 5 to 0.2MPa through the pressure reducing valve 4;
[0021] 3) The microcomputer controller 12 sends a power-on command to the electromagnetic valve on the pulse valve 6 under inspection, the pulse injection starts, and after a delay of 50ms, the power is turned off, and the pulse injection stops;
[0022] 4) Start the sampling program while the microcomputer controller 12 sends an opening instruction to the pulse valve 6 under inspection, and collect the pressure of the stabilized air bag 5, the pressure of the blowing pipe 7 at the output port of the pulse valve 6 under inspection, and the acceleration signal of the target 9, And store the sampling data into the microcomputer controller 12;
[0023] 5) The microcomputer controller 12 processes and analyzes the sampling data, and prints out the pressure waveform diagram of the blowing pipe 7 on the output port of the pulse valve 6 under inspection; prints out the pressure variation waveform diagram of the pressure-stabilizing air bag 5; prints out the acceleration waveform diagram of the target 9 picture;
[0024] 6) By analyzing the waveform diagram, the performance indicators of the 6-stroke injection of the pulse valve under inspection can be obtained and calculated.
[0025] The above is only an embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

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