Multifunctional electromagnetic pneumatic-operated stopping valve test bed
A pneumatic shut-off valve and shut-off valve technology, which is applied in the testing of mechanical components, fluid tightness testing, and testing of machine/structural components, etc. It can solve the problems of complex detection, insufficient short-term flow, and high cost.
Active Publication Date: 2018-07-27
HUBEI SANJIANG AEROSPACE HONGFENG CONTROL
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Problems solved by technology
[0003] The airtightness test, function test and response time test of the electromagnetic pneumatic globe valve are mandatory items. According to different working conditions, diameters and working pressures, the requirements of the test bench for testing the electromagnetic pneumatic globe valve are different. The demand for globe valves is to design a special test bench, which is costly and complicated to detect. Therefore, a test bench that can take into account the test requirements of various electromagnetic and pneumatic globe valves is needed; and the compressed gas pipeline system of the general gas source station supply system The diameter of the pipeline is 10mm. When the passage of the electromagnetic pneumatic globe valve is larger than the diameter of the pipeline of 10mm, there is a problem of insufficient flow in a short time.
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[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0026] figure 1 It is a structural schematic diagram of a multifunctional electromagnetic pneumatic globe valve test bench according to an embodiment of the present invention. Such as figure 1 As shown, the electromagnetic pneumatic globe valve test bench includes the main passage piping system, the control air passage system, the helium gas piping system, the cryogenic piping system and the m...
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The invention discloses a multifunctional electromagnetic pneumatic-operated stopping valve test bed, which comprises a main channel pipeline system, a control gas circuit system, a helium pipeline system, a low-temperature pipeline system and a measurement and control system. The main channel pipeline system comprises a first pressure reducing valve (4), a second stopping valve (7), a first pressure sensor (12), a test station (20) and a second pressure sensor (13). One end of the control gas circuit system is arranged in a main channel pipeline before the first pressure reducing valve (4).The other end of the control gas circuit system is connected with the test station (20). The outlet of the low-temperature pipeline system and the outlet of the helium pipeline system are connected inthe main channel pipeline between the second stopping valve (7) and the first pressure sensor (12). The measurement and control system comprises a signal acquisition device and a PLC (programmable logic controller). The multifunctional electromagnetic pneumatic-operated stopping valve test bed can simultaneously meet the requirements of the normal-temperature airtight test, the normal-temperaturefunction test, the low-temperature airtight test, the low-temperature function test and the response time test on electromagnetic pneumatic-operated stopping valves.
Description
technical field [0001] The invention belongs to the technical field of valve testing, and more specifically relates to a multifunctional electromagnetic and pneumatic stop valve testing platform. Background technique [0002] The electromagnetic pneumatic globe valve is a valve that controls the opening and closing of the solenoid valve by controlling the on-off of the current, and then controls the discharge of the air source to control the opening or closing of the pneumatic globe valve. It is used in the gas circuit or liquid circuit and is the automation basis for controlling the fluid Components, in industrial control systems, are used to adjust the direction, flow, speed and other parameters of the medium. [0003] The airtightness test, function test and response time test of the electromagnetic pneumatic globe valve are mandatory items. According to different working conditions, diameters and working pressures, the requirements of the test bench for testing the elect...
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IPC IPC(8): G01M13/00G01M3/28
CPCG01M3/2876G01M13/00
Inventor 赵丰显张瑞超林娜储正涛黄峰
Owner HUBEI SANJIANG AEROSPACE HONGFENG CONTROL