Ultrahigh pressure testing system and control method thereof

A control method and ultra-high pressure technology, applied in the direction of fluid pressure control, electric fluid pressure control, non-electric variable control, etc., can solve the problem of not being able to comprehensively and accurately detect the performance and quality level of pressure-bearing products, and pressure detection of pressure-holding accuracy. The range does not meet the actual requirements, product reliability, stability and application field limitations, etc., to achieve the effect of reliable installation, large pressure range, and stable boost

Active Publication Date: 2016-11-09
四川杰特机器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]With the rapid development of pressure testing technology, the market has higher and higher requirements for the quality of pressure-bearing products. Pressed product performance quality level
[0003]Currently, the existing domestic pressure detection devices generally suffer from unstable pressure boosting, large pressure fluctuations, pressure holding accuracy control and pressure detection range that do not meet the actual requirements. After reaching the target pressure and shutting down, due to the overshoot phenomenon, there is a large deviation between the actual pressure and the target pressure, and the pressure drop rate cannot be effectively controlled due to the one-way flow of the pressure test medium, resulting in product reliability, stability and application. field is limited

Method used

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  • Ultrahigh pressure testing system and control method thereof
  • Ultrahigh pressure testing system and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] like figure 1 and figure 2 The ultra-high pressure test system shown includes: a first control valve 3, a second control valve 2, a liquid tank 4 and a servo booster 5, and the liquid tank 4 is connected to the first control valve 3, servo Supercharger 5, second control valve 2 and pressure test device 1, a second pressure detection module is provided between the second control valve 2 and pressure test device 1, the connection between the first control valve 3 and the second control valve 2 There is a first pressure detection module between them, the first pressure detection module can also be set in the high pressure cylinder 5-1, the first control valve 3 and the second control valve 2 are forced open / close valves, which can be used instead of traditional pressure test pumps The water pressure automatically opens the valve, and the second control valve 2 is also provided with a pressure gauge 6 on the pipeline connected to the liquid tank 4, and the pressure gauge ...

Embodiment 2

[0076] like figure 2 and image 3 The ultra-high pressure test system shown includes: a liquid tank 4, a first control valve 3 and a servo booster 5, the liquid tank 4 is connected with the first control valve 3 and the servo booster 5 in turn, and the servo booster 5 A pressure test device 1 is connected, and a second control valve 2 is provided between the servo booster 5 and the pressure test device 1; the servo booster 5 is connected to the pressure test device 1 through a liquid outlet pipe, and the outlet pipe is provided with a Liquid valve 8.

[0077] A first pressure detection module is provided between the first control valve 3 and the second control valve 2 or in the servo booster 5, and the first pressure detection module is preferably located between the first control valve 3 and the second control valve 2 The pipeline between them is used to measure the pressure applied by the servo booster 5; a first Two pressure detection modules, the second pressure detect...

Embodiment 3

[0086] like figure 2 and Figure 4 The ultra-high pressure test system shown includes: a liquid tank 4, a first control valve 3 and a servo booster 5, the liquid tank 4 is connected with the first control valve 3 and the servo booster 5 in turn, and the servo booster 5 A pressure test device 1 is connected, and a second control valve 2 is provided between the servo booster 5 and the pressure test device 1; the servo booster 5 is connected to the liquid tank 4 through a liquid inlet pipe, and a liquid inlet pipe is provided on the liquid inlet pipe. valve 7.

[0087] A first pressure detection module is provided between the first control valve 3 and the second control valve 2 or in the servo booster 5 or between the liquid inlet valve 7 and the servo booster 5, and the first pressure detection module is preferably set On the pipeline between the first control valve 3 and the second control valve 2, it is used to measure the pressure applied by the servo booster 5; between th...

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PUM

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Abstract

The invention discloses an ultrahigh pressure testing system and a control method thereof. The ultrahigh pressure testing system comprises a liquid box, a first control valve and a servo supercharger. The liquid box is connected with the first control valve and the servo supercharger in sequence. The servo supercharger is connected with a pressure testing device. A second control valve is connected between the servo supercharger and the pressure testing device. A first pressure detection module is arranged between the first control valve and the second control valve. A second pressure detection module is arranged between the pressure testing device and the second control valve or in the pressure testing device. The technical purpose of the invention is to provide the ultrahigh pressure testing system which uses the servo supercharger as a power source to ensure high precision and high pressure of medium pressurization and intelligently control the pressure rising/reducing rate, and provide the control method of the ultrahigh pressure testing system to realize automatic control in the pressure testing process.

Description

technical field [0001] The invention relates to the field of test devices, in particular to an ultra-high pressure test system and a control method thereof. Background technique [0002] With the rapid development of pressure testing technology, the market has higher and higher requirements for the quality of pressure-bearing products, and some conventional pressure testing equipment can no longer comprehensively and accurately detect the performance and quality level of pressure-bearing products. [0003] At present, the existing pressure detection devices in China generally have unstable pressure boosting, large pressure fluctuations, pressure holding accuracy control and pressure detection range that do not meet the actual requirements. There are large deviations in pressure, and problems such as the fact that the pressure drop rate cannot be effectively controlled due to the unidirectional flow of the pressure test medium, resulting in limited product reliability, stabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D16/20G01N3/12
CPCG05D16/2053G01N3/12
Inventor 李文李波
Owner 四川杰特机器有限公司
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