CN117074006A - Automatic change liquid air-vent valve performance test system - Google Patents
Automatic change liquid air-vent valve performance test system Download PDFInfo
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- CN117074006A CN117074006A CN202310794392.2A CN202310794392A CN117074006A CN 117074006 A CN117074006 A CN 117074006A CN 202310794392 A CN202310794392 A CN 202310794392A CN 117074006 A CN117074006 A CN 117074006A
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- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 238000011056 performance test Methods 0.000 title claims abstract description 13
- 230000008859 change Effects 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 230000001105 regulatory effect Effects 0.000 claims abstract description 78
- 238000012360 testing method Methods 0.000 claims abstract description 61
- 238000005259 measurement Methods 0.000 claims abstract description 39
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000003584 silencer Effects 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0012—In-line filters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
An automatic performance test system for a liquid pressure regulating valve belongs to the field of valve performance test. In the test system, the gas pressurizing pipeline and the liquid pipeline can realize the pressurization of liquid in the water tank, a high-pressure water source is provided for the pressure regulating valve, the control gas pipeline provides control gas for the gas pressurizing pipeline, the liquid pipeline and the pneumatic valve of the blowing-off pipeline, the remote adjustment of the pneumatic valve is realized, and the measurement and control unit realizes the adjustment of the test device. The test system integrates the liquid pipeline, the water tank pressurizing pipeline, the blowing-off pipeline, the control gas pipeline and the measurement and control unit into one set of system, has two manual and automatic operation modes, and can enable operators to remotely adjust the action and the opening of each valve and collect test data, so that the labor cost is reduced.
Description
Technical Field
The invention relates to an automatic performance test system for a liquid pressure regulating valve, and belongs to the field of valve performance test.
Background
The liquid pressure regulating valve is a pressure regulating valve applied to a liquid pipeline system and is used for reducing high-pressure liquid under different flow rates into low-pressure liquid. Performance adjustment is required in the production process of the valve, so that the valve can meet the liquid pressure adjustment requirements under various working conditions.
When the performance test of the existing liquid pressure regulating valve is carried out, an operator usually manually adjusts the inlet pressure of a product under different working conditions and a flow measuring and controlling person manually collects parameter data of the working conditions. By using the method for testing the valve performance, the parameter adjusting speed is low, the adjusting precision is low, the labor cost is high, the testing efficiency is low, and the requirement of mass valve testing is difficult to meet.
Disclosure of Invention
The invention aims to solve the technical problems that: the problems of low regulation precision, low test efficiency and the like in the performance test of the liquid pressure regulating valve are solved.
The invention aims at realizing the following technical scheme:
an automatic performance test system for a liquid pressure regulating valve comprises a filter I, a water injection valve, a water tank, a water outlet valve, a mass flowmeter, a filter II, a pressure transmitter I, a pressure regulating valve, a pressure transmitter II, an electromagnetic valve, a precision regulating valve, a waste water collecting box, an air source valve, a filter III, a pressure gauge I, a pneumatic valve, a pneumatic control pressure reducing valve, a pressure transmitter III, a safety valve I, a deflating valve, a silencer, a pressure reducing valve I, a buffer tank, a pressure transmitter IV, a blow-off valve, a filter IV, a manual stop valve, a water tank water inlet, a water tank air inlet, a water tank water outlet, a pressure reducing valve II, a pressure gauge II, a safety valve II, a filtering pressure reducing valve, a two-position three-way electromagnetic valve and a measurement and control unit;
the filter I is connected with a water tank water inlet of the water tank through a pipeline, and a water injection valve is arranged between the filter I and the water tank water inlet;
the water tank water outlet of the water tank is connected with the pressure regulating valve through a pipeline, and a water outlet valve, a mass flowmeter, a filter II and a pressure transmitter I are arranged between the water tank water outlet and the pressure regulating valve water inlet;
the water outlet of the pressure regulating valve is connected with the wastewater collecting box through a pipeline, and a pressure transmitter II, an electromagnetic valve and a precise regulating valve are arranged between the water outlet of the pressure regulating valve and the wastewater collecting box;
the compressed air sequentially passes through an air source valve, a filter III and a pressure gauge I to supply high-pressure air to a pressurized air pipeline of a water tank, wherein a pneumatic valve in the pressurized air pipeline of the water tank is connected with an air inlet of the water tank through a pipeline, and a pneumatic control pressure reducing valve, a pressure transmitter III and a safety valve I are arranged between the pneumatic valve of the pressurized air pipeline of the water tank and the air inlet of the water tank;
a branch pipeline is arranged between the pneumatic control pressure reducing valve and the pressure transmitter III, and a gas release valve and a silencer are sequentially arranged; realizing the decompression of an air source and an air pipeline;
the compressed air sequentially provides high-pressure gas for a blowing-off pipeline through a gas source valve, a filter III and a pressure gauge I, a pressure reducing valve I of the blowing-off pipeline is connected with a manual stop valve through a pipeline, and a buffer tank, a pressure transmitter IV, a blowing-off valve and a filter IV are arranged between the pressure reducing valve I of the blowing-off pipeline and the manual stop valve;
the compressed air sequentially passes through an air source valve, a filter III and a pressure gauge I to provide high-pressure air for a control air pipeline, and a pressure gauge II, a safety valve II and a filtering pressure-reducing valve are arranged between a control air pipeline pressure-reducing valve II and a two-position three-way electromagnetic valve;
the control gas outlet of the control gas pipeline is connected with a blowing valve, a pneumatic valve, a deflation valve, a water injection valve and a water outlet valve; the blowing valve, the pneumatic valve, the air release valve, the water injection valve and the water outlet valve are pneumatic control valves;
the electromagnetic valve control circuit of the measurement and control unit is connected with the electromagnetic valve, the pressure measurement circuit is connected with the pressure transmitter I, the pressure transmitter II and the pressure transmitter IV, and the control gas circuit is connected with the two-position three-way electromagnetic valve, so that the control of the measurement and control unit on the liquid pipeline, the water tank pressurizing pipeline and the control gas pipeline is realized.
In an embodiment of the invention, the measurement and control unit comprises an industrial personal computer and a PLC (programmable logic controller) and can record and store the test pressure of the pressure transmitter I, the pressure transmitter II and the pressure transmitter IV and the test flow of the mass flowmeter in the test process, and the two-position three-way electromagnetic valve is regulated through real-time feedback to realize the test target pressure and flow of the regulating valve, and complete data interpretation, display, recording and test data storage.
In one embodiment of the invention, the test system further comprises a pressure regulating valve test box body, and the product installation box flip cover is installed on the pressure regulating valve test box body; the control operation side panel of the pressure regulating valve test box body is provided with an operation display interface, an air source valve, a pressure gauge I, a power switch, a precision regulating valve knob, a pneumatic control pressure reducing valve knob and an automatic manual switching button; an air inlet and a liquid inlet are arranged on one side of the box body; a liquid outlet is arranged on the other side of the box body;
the lower part of the flip cover at the installation side of the box body product is provided with a liquid supply port, a blowing-off port, a liquid outlet and a pressure measuring port.
In an embodiment of the invention, the operation display interface can realize remote control of each valve, record the action condition of each valve and display real-time test parameters.
In one embodiment of the invention, the real-time measurement of the inlet pressure and flow of the pressure regulating valve is realized through the measurement and control unit.
In one embodiment of the invention, the real-time measurement of the outlet pressure of the pressure regulating valve and the adjustment of the flow of the liquid pipeline are realized through the measurement and control unit.
In one embodiment of the invention, the measurement and control unit measures pressure in real time through the pressure transmitter III, and the pneumatic control pressure reducing valve is fed back and adjusted to realize remote adjustment of the pressure of the water tank.
In an embodiment of the invention, the back of the manual stop valve is connected with the pipeline or the pressure regulating valve to realize the blowing-off of the surplus materials on the surfaces of the equipment, the pipeline and the pressure regulating valve.
In one embodiment of the invention, the measurement and control unit realizes the remote control of the pneumatic control valve by controlling the on and off of the two-position three-way electromagnetic valve.
In one embodiment of the invention, the water tank filling control is realized through the measurement and control unit.
Compared with the prior art, the invention has the following beneficial effects:
(1) The test system integrates the liquid pipeline, the water tank pressurizing pipeline, the blowing-off pipeline, the control gas pipeline and the measurement and control unit into one set of system, has two manual and automatic operation modes, and can enable operators to remotely adjust the action and the opening of each valve and collect test data, so that the labor cost is reduced.
(2) The test system can realize automatic feedback adjustment of test parameters according to instructions or manually set pressure and flow, store and display test data in real time, and improve adjustment speed and adjustment precision.
(3) The test system uses the instructions to replace the flow of the performance test of the manual operation pressure regulating valve, and realizes the automation of the test flow by sequentially actuating instruction sentences such as valves, regulating the opening of the valves, judging and reading real-time data and the like, thereby improving the test efficiency of the valves.
Drawings
FIG. 1 is a schematic diagram of the structural principle of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the case of the present invention;
FIG. 3 is a schematic side view of the case of the present invention.
In the figure: 1-filter I, 2-water filling valve, 3-water tank, 4-water outlet valve, 5-mass flowmeter, 6-filter II, 7-pressure transmitter I, 8-pressure regulating valve, 9-pressure transmitter II, 10-solenoid valve, 11-precision regulating valve, 12-wastewater collection tank, 13-air source valve, 14-filter III, 15-pressure gauge I, 16-pneumatic valve, 17-pneumatic pressure reducing valve, 18-pressure transmitter III, 19-safety valve I, 20-deflate valve, 21-muffler, 22-pressure reducing valve I, 23-buffer tank, 24-pressure transmitter IV, 25-blow valve, 26-filter IV, 27-manual stop valve, 28-water tank water inlet, 29-water tank air inlet, 30-water tank water outlet, 31-pressure reducing valve II, 32-pressure gauge II, 33-safety valve II, 34-filter pressure reducing valve, 35-two-three-way solenoid valve. 100-air inlet, 110-box, 111-measurement and control unit-120-product installation box flip, 121-operation display interface, 122-power switch, 123-liquid supply port, 124-blowing-off interface, 125-liquid outlet, 126-pressure measuring port, 127-liquid outlet, 128-precision adjusting valve knob, 129-pneumatic control pressure reducing valve knob, 130-automatic manual switching button-131-liquid inlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
An automatic performance test system for a liquid pressure regulating valve is shown in fig. 1 and comprises a filter I, a water injection valve, a water tank, a water outlet valve, a mass flowmeter, a filter II, a pressure transmitter I, a pressure regulating valve, a pressure transmitter II, an electromagnetic valve, a precision regulating valve, a waste water collecting box, a gas source valve, a filter III, a pressure gauge I, a pneumatic valve, a pneumatic control pressure reducing valve, a pressure transmitter III, a safety valve I, a gas release valve, a silencer, a pressure reducing valve I, a buffer tank, a pressure transmitter IV, a blowing valve, a filter IV, a manual stop valve, a water tank water inlet, a water tank air inlet, a water tank water outlet, a pressure reducing valve II, a pressure gauge II, a safety valve II, a filtering pressure reducing valve, a two-position three-way electromagnetic valve and a measurement and control unit. An automatic performance test system for a liquid pressure regulating valve relates to a liquid path pipeline, a water tank pressurizing gas pipeline, a blowing-off pipeline and a control gas pipeline.
The gas pressurization pipeline and the liquid pipeline can realize the pressurization of liquid in the water tank, provide a high-pressure water source for the pressure regulating valve, and the control gas pipeline provides control gas for the pneumatic valves of the gas pressurization pipeline, the liquid pipeline and the blowing pipeline, so that the remote adjustment of the pneumatic valves is realized, and the measurement and control unit realizes the adjustment of the testing device.
The liquid path pipeline filter I1 is connected with the water inlet 28 of the water tank through a pipeline, and a water filling valve 2 is arranged between the liquid path pipeline filter I1 and the water inlet 28 of the water tank. And the remote filling of the water tank is realized through the measurement and control unit.
The water tank water outlet 30 is connected with the pressure regulating valve 8 through a pipeline, and a water outlet valve 4, a mass flowmeter 5, a filter II 6 and a pressure transmitter I7 are arranged between the water tank water outlet 30 and the water inlet of the pressure regulating valve 8. And the real-time measurement of the inlet pressure and flow of the pressure regulating valve is realized through the measurement and control unit.
The water outlet of the pressure regulating valve 8 is connected with the waste water collecting box 12 through a pipeline, and a pressure transmitter II 9, an electromagnetic valve 10 and a precise regulating valve 11 are arranged between the water outlet of the pressure regulating valve 8 and the waste water collecting box 12. And the real-time measurement of the outlet pressure of the pressure regulating valve and the adjustment of the flow of the liquid pipeline are realized through the measurement and control unit.
Compressed air sequentially passes through an air source valve 13, a filter III 14 and a pressure gauge I15 to supply high-pressure air to a tank pressurization air pipeline, a pneumatic valve 16 in the tank pressurization air pipeline is connected with a tank air inlet 29 through a pipeline, and a pneumatic control pressure reducing valve 17, a pressure transmitter III 18 and a safety valve I19 are arranged between the pneumatic valve of the tank pressurization air pipeline and the tank air inlet 29. The measurement and control unit measures pressure in real time through a pressure transmitter III 18, and the pneumatic control pressure reducing valve 17 is fed back and adjusted to realize remote adjustment of the pressure of the water tank.
A branch pipeline is arranged between the pneumatic control pressure reducing valve 17 and the pressure transmitter III 18, and a deflation valve 20 and a silencer 21 are sequentially arranged. The pressure relief of the air source and the air pipeline is realized.
Compressed air sequentially passes through an air source valve 13, a filter III 14 and a pressure gauge I15 to provide high-pressure air for a blowing-off pipeline, a blowing-off pipeline pressure reducing valve I22 is connected with a manual stop valve 27 through a pipeline, and a buffer tank 23, a pressure transmitter IV 24, a blowing-off valve 25 and a filter IV 26 are arranged between the blowing-off pipeline pressure reducing valve I22 and the manual stop valve 27. The manual stop valve 27 can be connected with a pipeline or a pressure regulating valve to realize the blowing-off of the surplus materials on the surfaces of equipment, pipelines and the pressure regulating valve.
The compressed air sequentially passes through the air source valve 13, the filter III 14 and the pressure gauge I15 to provide high-pressure air for the control air pipeline, and a pressure gauge II 32, a safety valve II 33 and a filtering pressure-reducing valve 34 are arranged between the control air pipeline pressure-reducing valve II 31 and the two-position three-way electromagnetic valve 35.
The control gas pipeline two-position three-way electromagnetic valve 35 is used for controlling the gas outlet to be connected with the blowing valve 25, the pneumatic valve 16, the air release valve 20, the water injection valve 2 and the water outlet valve 4. The blowing valve 25, the pneumatic valve 16, the air release valve 20, the water injection valve 2 and the water outlet valve 4 are all pneumatic control valves, and the measurement and control unit 111 realizes the remote control of the pneumatic control valves by controlling the on and off of the two-position three-way electromagnetic valve.
The electromagnetic valve control circuit of the measurement and control unit 111 is connected with the electromagnetic valve 10, the pressure measurement circuit is connected with the pressure transmitter I7, the pressure transmitter II 9 and the pressure transmitter IV 24, and the control gas circuit is connected with the two-position three-way electromagnetic valve 35, so that the control of the measurement and control unit on the liquid pipeline, the water tank pressurizing pipeline and the control gas pipeline is realized.
The measurement and control unit 111 is composed of an industrial personal computer and a PLC controller, and can record and store the test pressure of the pressure transmitter I7, the pressure transmitter II 9 and the pressure transmitter IV 24 in the test process and the test flow of the mass flowmeter 5, and regulate the two-position three-way electromagnetic valve 35 through real-time calculation and feedback, so as to realize the test target pressure and flow of the regulating valve 8, and automatically judge, display, record and store test data in the operation display interface 121.
The test system further includes a pressure regulating valve test case 110, as shown in fig. 2 and 3, a product installation side of the pressure regulating valve test case 110 is provided with a product installation case flip cover 120; the control operation side panel of the box body 110 is provided with an operation display interface 121, an air source valve 13, a pressure gauge I15, a power switch 122, a precision adjusting valve knob 128, a pneumatic control pressure reducing valve knob 129 and an automatic and manual switching button 130; an air inlet 100 and a liquid inlet 131 are arranged on one side of the box body 110; the other side of the box body is provided with a liquid outlet 127.
The operation display interface 121 can realize remote control of each valve, record the action condition of each valve, and display real-time test parameters.
The lower part of the product installation side flip 100 of the box body 110 is provided with a liquid supply port 123, a blowing-off port 124, a liquid outlet 125 and a pressure measuring port 126.
The method for testing the performance of the pressure regulating valve comprises the following steps:
the liquid inlet 131 at one side of the pressure regulating valve testing box body 110 is connected with a water source, the air inlet 100 is connected with compressed air, the power switch 122 of the rotating operation side panel is in an opening state, the automatic manual switching button 130 is adjusted to be manual, and the air source valve 13 of the operation side panel is opened.
The pressure regulating valve box 110 is turned over, the product installation box is turned over 120, the water inlet pipeline of the pressure regulating valve 8 is connected with the liquid supply port 123, one water outlet pipeline of the pressure regulating valve 8 is connected with the pressure measuring port 126, the other water outlet pipeline of the pressure regulating valve 8 is connected with the electromagnetic valve 10, and the water outlet pipeline of the electromagnetic valve 10 is connected with the liquid outlet port 125.
The water filling valve 2 is opened through the operation display interface 121 of the measurement and control unit 111, when the liquid level of the water tank 3 reaches the rated value, the water filling valve 2 is closed, the pneumatic valve 16 is opened, the opening degree of the pneumatic control pressure reducing valve 17 is regulated, the water tank pressure sensor III 18 is used for testing the inlet pressure required by the pressure regulating valve, the water outlet valve 4 and the electromagnetic valve 9 are opened, the precise regulating valve 11 is regulated, and the flowmeter 5 is used for testing the flow required by the pressure regulating valve. After the parameter adjustment is completed, the tested pressure and flow values are collected at the operation display interface 121. And repeatedly adjusting the test parameters under different working conditions until the test is completed.
The water outlet valve 4 is closed, the inlet of the pressure regulating valve 8 is connected with the blowing-off interface 124, the water outlet of the pressure regulating valve 8 is connected with the atmosphere, and the manual stop valve 27 and the blowing-off valve 25 are opened to blow off the moisture in the pressure regulating valve cavity.
After the test is finished, the air source valve 13 is closed, the blow-off valve 25 is closed, the air release valve 20 is opened, and the residual air in the device is discharged after passing through the silencer 21. The cabinet 110 panel power switch 122 is adjusted to an off state.
What is not described in detail in the present specification is a well known technology to those skilled in the art.
Although the present invention has been described in terms of the preferred embodiments, it is not intended to be limited to the embodiments, and any person skilled in the art can make any possible variations and modifications to the technical solution of the present invention by using the methods and technical matters disclosed above without departing from the spirit and scope of the present invention, so any simple modifications, equivalent variations and modifications to the embodiments described above according to the technical matters of the present invention are within the scope of the technical matters of the present invention.
Claims (10)
1. An automatic performance test system for a liquid pressure regulating valve is characterized by comprising a filter I, a water injection valve, a water tank, a water outlet valve, a mass flowmeter, a filter II, a pressure transmitter I, a pressure regulating valve, a pressure transmitter II, an electromagnetic valve, a precision regulating valve, a waste water collecting box, a gas source valve, a filter III, a pressure gauge I, a pneumatic valve, a pneumatic control pressure reducing valve, a pressure transmitter III, a safety valve I, a gas release valve, a silencer, a pressure reducing valve I, a buffer tank, a pressure transmitter IV, a blowing valve, a filter IV, a manual stop valve, a water tank water inlet, a water tank air inlet, a water tank water outlet, a pressure reducing valve II, a pressure gauge II, a safety valve II, a filtering pressure reducing valve, a two-position three-way electromagnetic valve and a measurement and control unit;
the filter I is connected with a water tank water inlet of the water tank through a pipeline, and a water injection valve is arranged between the filter I and the water tank water inlet;
the water tank water outlet of the water tank is connected with the pressure regulating valve through a pipeline, and a water outlet valve, a mass flowmeter, a filter II and a pressure transmitter I are arranged between the water tank water outlet and the pressure regulating valve water inlet;
the water outlet of the pressure regulating valve is connected with the wastewater collecting box through a pipeline, and a pressure transmitter II, an electromagnetic valve and a precise regulating valve are arranged between the water outlet of the pressure regulating valve and the wastewater collecting box;
the compressed air sequentially passes through an air source valve, a filter III and a pressure gauge I to supply high-pressure air to a pressurized air pipeline of a water tank, wherein a pneumatic valve in the pressurized air pipeline of the water tank is connected with an air inlet of the water tank through a pipeline, and a pneumatic control pressure reducing valve, a pressure transmitter III and a safety valve I are arranged between the pneumatic valve of the pressurized air pipeline of the water tank and the air inlet of the water tank;
a branch pipeline is arranged between the pneumatic control pressure reducing valve and the pressure transmitter III, and a gas release valve and a silencer are sequentially arranged; realizing the decompression of an air source and an air pipeline;
the compressed air sequentially provides high-pressure gas for a blowing-off pipeline through a gas source valve, a filter III and a pressure gauge I, a pressure reducing valve I of the blowing-off pipeline is connected with a manual stop valve through a pipeline, and a buffer tank, a pressure transmitter IV, a blowing-off valve and a filter IV are arranged between the pressure reducing valve I of the blowing-off pipeline and the manual stop valve;
the compressed air sequentially passes through an air source valve, a filter III and a pressure gauge I to provide high-pressure air for a control air pipeline, and a pressure gauge II, a safety valve II and a filtering pressure-reducing valve are arranged between a control air pipeline pressure-reducing valve II and a two-position three-way electromagnetic valve;
the control gas outlet of the control gas pipeline is connected with a blowing valve, a pneumatic valve, a deflation valve, a water injection valve and a water outlet valve; the blowing valve, the pneumatic valve, the air release valve, the water injection valve and the water outlet valve are pneumatic control valves;
the electromagnetic valve control circuit of the measurement and control unit is connected with the electromagnetic valve, the pressure measurement circuit is connected with the pressure transmitter I, the pressure transmitter II and the pressure transmitter IV, and the control gas circuit is connected with the two-position three-way electromagnetic valve, so that the control of the measurement and control unit on the liquid pipeline, the water tank pressurizing pipeline and the control gas pipeline is realized.
2. The test system according to claim 1, wherein the measurement and control unit comprises an industrial personal computer and a PLC controller, can record and store test pressures and mass flowmeter test flows of the pressure transmitter I, the pressure transmitter II and the pressure transmitter IV in the test process, and adjusts the two-position three-way electromagnetic valve through real-time feedback to realize the test target pressures and flows of the regulating valve, and complete data interpretation, display, recording and storage of test data.
3. The test system of claim 1, further comprising a pressure regulating valve test housing, the product mounting housing flip-top mounted on the pressure regulating valve test housing; the control operation side panel of the pressure regulating valve test box body is provided with an operation display interface, an air source valve, a pressure gauge I, a power switch, a precision regulating valve knob, a pneumatic control pressure reducing valve knob and an automatic manual switching button; an air inlet and a liquid inlet are arranged on one side of the box body; a liquid outlet is arranged on the other side of the box body;
the lower part of the flip cover at the installation side of the box body product is provided with a liquid supply port, a blowing-off port, a liquid outlet and a pressure measuring port.
4. A test system according to claim 3, wherein the operation display interface is capable of remotely controlling each valve, recording the action of each valve, and displaying real-time test parameters.
5. The test system according to any one of claims 1 to 4, wherein real-time measurement of the pressure regulating valve inlet pressure and flow is achieved by a measurement and control unit.
6. The test system according to any one of claims 1 to 4, wherein the real-time measurement of the pressure regulating valve outlet pressure and the regulation of the liquid line flow are achieved by means of a measurement and control unit.
7. The test system according to any one of claims 1 to 4, wherein the measurement and control unit measures pressure in real time through the pressure transmitter iii, and the pneumatic control pressure reducing valve is feedback-regulated to realize remote regulation of the pressure of the water tank.
8. The test system according to any one of claims 1 to 4, wherein a pipe or a pressure regulating valve is connected after the manual shut-off valve, and the blowing-off of the surplus on the surfaces of the equipment, the pipe and the pressure regulating valve is realized.
9. The test system according to any one of claims 1 to 4, wherein the measurement and control unit realizes remote control of the pneumatic control valve by controlling on and off of the two-position three-way electromagnetic valve.
10. The test system of any one of claims 1 to 4, wherein tank filling control is achieved by a measurement and control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310794392.2A CN117074006A (en) | 2023-06-30 | 2023-06-30 | Automatic change liquid air-vent valve performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310794392.2A CN117074006A (en) | 2023-06-30 | 2023-06-30 | Automatic change liquid air-vent valve performance test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117074006A true CN117074006A (en) | 2023-11-17 |
Family
ID=88718240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310794392.2A Pending CN117074006A (en) | 2023-06-30 | 2023-06-30 | Automatic change liquid air-vent valve performance test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117074006A (en) |
-
2023
- 2023-06-30 CN CN202310794392.2A patent/CN117074006A/en active Pending
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