CN108332958A - A kind of multifunction electromagnetic pneumatic stopping valve testing stand - Google Patents
A kind of multifunction electromagnetic pneumatic stopping valve testing stand Download PDFInfo
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- CN108332958A CN108332958A CN201810027125.1A CN201810027125A CN108332958A CN 108332958 A CN108332958 A CN 108332958A CN 201810027125 A CN201810027125 A CN 201810027125A CN 108332958 A CN108332958 A CN 108332958A
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- valve
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- electromagnetic pneumatic
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- General Physics & Mathematics (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses a kind of multifunction electromagnetic pneumatic stopping valve testing stands, including primary path pipe-line system, control air-channel system, helium pipe-line system, cryogenic pipeline system and TT＆C system, the primary path pipe-line system includes the first pressure reducing valve (4), second shut-off valve (7), first pressure sensor (12), test station (20) and second pressure sensor (13), in the primary path pipeline controlled before air-channel system one end is located at first pressure reducing valve (4), the other end is connect with the experiment station (20), the cryogenic pipeline system and helium pipeline system outlet are connected in the primary path pipeline between second shut-off valve (7) and first pressure sensor (12), the TT＆C system includes signal picker and PLC controller.Multifunction electromagnetic pneumatic stopping valve testing stand of the present invention can meet room temperature air seal test, room temperature function test, low temperature air seal test, low temperature functional experiment and the response time test of electromagnetic pneumatic shut-off valve simultaneously.
Description
Technical field
The invention belongs to valves test technical fields, are tested more particularly, to a kind of multifunction electromagnetic pneumatic stopping valve
Platform.
Background technology
Electromagnetic pneumatic shut-off valve is to control the opening and closing of solenoid valve by controlling current switching, and then control air source discharge and come
The valve that is turned on and off of control pneumatic stopping valve, in gas circuit or fluid path, being automation foundation member for controlling fluid
Part, in industrial control system, direction, flow, speed and other parameters for adjusting medium.
The air seal test of electromagnetic pneumatic shut-off valve, function test and response time test are must to survey project, according to operating condition
Different, latus rectum and operating pressure difference, the testing stand demand tested electromagnetic pneumatic shut-off valve is different, needs according to each
The dedicated testing stand of Demand Design of electromagnetic pneumatic shut-off valve, of high cost and detection of complex, it is therefore desirable to it is a kind of can take into account it is a variety of
Electromagnetic pneumatic shut-off valve tests the testing stand of demand；And the pipe in the compressed gas pipeline system of general gas supply station feed system
Road latus rectum is 10mm, when the promoting menstruation of electromagnetic pneumatic shut-off valve is more than the pipeline latus rectum of 10mm, inadequate there are short time flow
Problem.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of multifunction electromagnetic pneumatic stopping valve examination
Platform, including room temperature pipeline control system, helium pipe-line system, cryogenic pipeline system and TT＆C system are tested, electricity can be met simultaneously
Room temperature air seal test, room temperature function test, low temperature air seal test, low temperature functional experiment and the response time of magnetic pneumatic stopping valve survey
The experiment demand of examination.
To achieve the goals above, the present invention provides a kind of multifunction electromagnetic pneumatic stopping valve testing stand, including primary path
Pipe-line system, control air-channel system, helium pipe-line system, cryogenic pipeline system and TT＆C system；
The TT＆C system includes signal picker and PLC controller, and the signal picker includes first pressure sensing
Device and second pressure sensor, the signal picker are used to acquire the information in each pipe-line system, and the PLC controller is used for
The information acquired according to the signal picker calculates the response time of solenoid valve；
The primary path pipe-line system includes the first pressure reducing valve, the second shut-off valve, described the successively from air inlet to outlet
One pressure sensor, experiment station and the second pressure sensor, for being pressed by the first pressure sensor and second
The difference of force snesor judges the air-tightness of electromagnetic pneumatic shut-off valve；
Described control air-channel system one end is located in the primary path pipeline before first pressure reducing valve, the other end with it is described
Test station connection, the air source of the control valve for providing electromagnetic pneumatic shut-off valve and the corresponding airtight detection of progress；
The cryogenic pipeline system and helium pipeline system outlet are connected to second shut-off valve and the first pressure
In primary path pipeline between sensor, the cryogenic pipe system is used for the precooling of cryogenic property detection, helium pipeline system
Detection of the system for cryogenic property.
Further, the primary path pipe-line system further includes the first shut-off valve and the 5th shut-off valve, first cut-off
Valve and the 5th shut-off valve are respectively provided at air inlet and the exit of the primary path interconnected system.
Further, the primary path pipe-line system further includes vent stop valve, and the vent stop valve is put including first
Empty shut-off valve and third vent stop valve.
Further, filter is equipped between the air inlet and first shut-off valve.
Further, gas cylinder is equipped between first pressure reducing valve and second shut-off valve.
Further, in primary path pipeline, the latus rectum of the gas cylinder to primary path tube outlet is not less than 40mm.
Further, the control air-channel system includes third pressure reducing valve, the third pressure reducing valve and the experiment station
Between be equipped with the 4th pressure gauge.
Further, the helium pipe-line system is equipped with the second pressure reducing valve and third shut-off valve.
Further, the cryogenic pipeline system is equipped with the 4th shut-off valve.
Further, the third shut-off valve, the 4th shut-off valve and the second shut-off valve are cryogenic globe valve.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect：
(1) multifunction electromagnetic pneumatic stopping valve testing stand of the present invention, including room temperature pipeline control system, helium pipeline system
System, cryogenic pipeline system and TT＆C system can meet the room temperature air seal test of solenoid valve, room temperature function test, low temperature simultaneously
The experiment demand of air seal test, low temperature functional experiment and response time test.
(2) multifunction electromagnetic pneumatic stopping valve testing stand of the present invention can meet electromagnetic pneumatic shut-off valve latus rectum simultaneously
The room temperature air seal test of a variety of solenoid valves of 40mm, nominal pressure less than 10MPa.
(3) multifunction electromagnetic pneumatic stopping valve testing stand of the present invention, TT＆C system include signal picker, PLC controller
And liquid crystal display, signal picker is for acquiring pressure signal, current signal and flow signal and memory, signal picker
It sends information to PLC controller to be calculated, and is shown by liquid crystal display.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of multifunction electromagnetic pneumatic stopping valve testing stand of the embodiment of the present invention；
It is marked in figure：1- filters, the first shut-off valves of 2-, 3- first pressure gauges, the first pressure reducing valves of 4-, 5- gas cylinders,
6- second pressure gauges, the second shut-off valves of 7-, the second pressure reducing valves of 8-, 9- third pressure gauges, 10- thirds shut-off valve, 11- the 4th end
Valve, 12- first pressure sensors, 13- second pressures sensor, the 5th shut-off valves of 14-, the first vent stop valves of 15-, 16-
Two vent stop valves, the 4th pressure gauges of 17-, 18- thirds pressure reducing valve, 19- thirds vent stop valve, 20- test station.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Conflict is not constituted between this to can be combined with each other.
Fig. 1 is a kind of structural schematic diagram of multifunction electromagnetic pneumatic stopping valve testing stand of the embodiment of the present invention.Such as Fig. 1 institutes
Show, electromagnetic pneumatic shut-off valve testing stand includes primary path pipe-line system, control air-channel system, helium pipe-line system, cryogenic pipe
System and TT＆C system, primary path pipe-line system are connected with filter 1 in turn, the first shut-off valve 2, first subtract from the inlet to the outlet
Pressure valve 4, gas cylinder 5, the second shut-off valve 7, first pressure sensor 12, second pressure sensor 13 and the 5th shut-off valve 14；
Filter 1 prevents blocking for filtering the gas poured in primary path pipe-line system；First pressure reducing valve 4 is for changing master
Pressure in access pipeline, to meet the needs of different electromagnetic pneumatic shut-off valve test pressures；The gas cylinder 5 is for storing up
Gas is deposited, flow demand when meeting the experiment of big orifice electromagnetic pneumatic shut-off valve.The experiment station of electromagnetic pneumatic shut-off valve is located at
Between first pressure sensor 12 and second pressure sensor 13, the measurement of second pressure sensor 13 and first pressure sensor
Air-tightness of the value for examining solenoid valve.First pressure gauge 3 is equipped between first shut-off valve 2 and the first pressure reducing valve 4, for detecting
Pressure value in the preceding pipeline of first pressure reducing valve, 4 decompression is equipped with second pressure gauge 6 between gas cylinder 5 and the second shut-off valve 7,
For detecting the pressure value in the pipeline after using high pressure gas.
Third vent stop valve 19, the second shut-off valve 7 and experiment work are equipped between first shut-off valve 2 and the first pressure reducing valve 4
The first vent stop valve 15 is equipped between position 20, the first vent stop valve 15 and third vent stop valve 19 are used to complete in test
The gas in pipeline is vented afterwards.
Wherein, gas cylinder 5 to the pipeline drift diameter between outlet is not less than 40mm, to meet the electromagnetism of 40mm or less latus rectums
Pneumatic stopping valve tests demand, and only need to do corresponding connection work according to the demand of experiment electromagnetic pneumatic shut-off valve in experiment station
Dress.
Control air-channel system includes third pressure reducing valve 18, the 4th pressure gauge 17 and the second vent stop valve 16, controls gas circuit
One end of system is connected between first pressure gauge 3 and the first shut-off valve 4, another to terminate on experiment station 20.Control air-channel system
In be equipped with the second vent stop valve 16, for be vented extra gas in control air-channel system after the test.Due to electromagnetism gas
The piston motion of the dynamic individual air source control electromagnetic pneumatic shut-off valve of shut-off valve need of work, and then realize electromagnetic pneumatic shut-off valve
Opening and closing, so control air-channel system is provided by third pressure reducing valve 18 to electromagnetic pneumatic shut-off valve controls gas needed for pneumatic control
Pressure, the air source of the control valve for providing electromagnetic pneumatic shut-off valve and carry out corresponding airtight detection.
Helium pipe-line system is equipped with the second pressure reducing valve 8 and third shut-off valve 10, the second pressure reducing valve 8 successively since air inlet
Third pressure gauge 9 is equipped between third shut-off valve 10, for detecting the pressure after the second pressure reducing valve 8 in helium pipeline
Value.The outlet of helium pipeline is divided into two-way, is connected into primary path pipe-line system, another way and cryogenic pipe by threeway all the way
System is connected.Cryogenic pipeline system includes the 4th shut-off valve 11.
Wherein third shut-off valve 10, the 4th shut-off valve 11 and the second shut-off valve 7 are cryogenic globe valve, first pressure sensing
Device 12, second pressure sensor 13, second pressure gauge 6 and the 5th shut-off valve 14 be can under low temperature (- 196 DEG C) normal use
Parts.
TT＆C system includes signal picker, PLC controller and liquid crystal display, and signal picker includes that first pressure passes
Sensor 12, second pressure sensor 13, current signal collector, flow signal collector and memory, current signal collector
It is connected with the electromagnetic pneumatic shut-off valve on experiment station 20, for detecting the current signal in electromagnetic pneumatic shut-off valve；Flow is believed
Number collector is set in the pipeline of primary path pipe-line system, control air-channel system, helium pipe-line system and cryogenic pipeline system, is used
Uninterrupted in detection pipe-line system；Collected pressure information, current information and flow information pass through memory
It is stored.PLC controller is connected with signal picker and liquid crystal display, will for handling collected information
Corresponding data are shown on liquid crystal display.
Primary path pipe-line system and control air-channel system collectively form room temperature pipe-line system.
Room temperature air-tight test：The valve for closing the electromagnetic pneumatic shut-off valve being mounted on experiment station 20, makes room temperature height
It presses compressed gas to supply main channel pipe-line system by filter 1 and the first shut-off valve 2, input pressure is detected by pressure gauge, then
So that pressure is met the needs of different electromagnetic pneumatic shut-off valve test pressures by pressure reducing valve decompression, is met greatly by gas cylinder 5
Flow demand when latus rectum electromagnetic pneumatic shut-off valve is tested detects the pressure value after gas cylinder 5 by second pressure gauge 6, then
Judge the airtight of electromagnetic pneumatic shut-off valve by the difference of first pressure sensor 12 and the pressure of second pressure sensor 13
Property quality.
Low temperature airtightness is tested：The second shut-off valve 7 and third shut-off valve 10 are closed, the 4th shut-off valve 11 is opened, to low temperature
Low pressure liquid nitrogen is filled in pipe-line system, the outlet of the cryogenic pipeline system is connected to the second shut-off valve 7 and by threeway
In pipeline between one pressure sensor 12, low pressure liquid nitrogen is circulated by pipeline and low-temperature solenoid valve experiment is pre-chilled；It closes
4th shut-off valve 11 and the second shut-off valve 7 open third shut-off valve 10, are filled with helium into cryogenic pipeline system, and pass through the
Two pressure reducing valves 8 will be filled with gas pressure and reduce to the required pressure of experiment, then pass through first pressure sensor 12 and second pressure biography
The difference of the pressure of sensor 13 is fine or not to judge the low temperature airtightness of electromagnetic pneumatic shut-off valve.
Response time tests：Electromagnetic pneumatic shut-off valve is to control the opening and closing of solenoid valve by controlling current switching, in turn
Control air source discharge switchs to control pneumatic stopping valve, passes through signal picker and acquires pneumatic stopping valve inlet pressure sensor
The response time is calculated using PLC controller in data.
Room temperature function test and low temperature functional experiment end the performance of threshold switch mainly for detection of electromagnetic pneumatic, if phase
Between seasonable in 1s, switch is normal, if the response time is more than 1s, switch is just abnormal, i.e., performance is bad.
Preferably, the cryogenic pipeline system can give experiment electromagnetic pneumatic shut-off valve to provide low pressure 0~3MPa liquid
Nitrogen is used for the precooling of electromagnetic pneumatic shut-off valve low-temperature test；
Preferably, the second shut-off valve 7 and the 5th shut-off valve 14 select the shut-off valve that latus rectum is not less than 40mm, and flow resistance is small
In the shut-off valve of 5% rated pressure.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of multifunction electromagnetic pneumatic stopping valve testing stand, which is characterized in that including primary path pipe-line system, control gas circuit system
System, helium pipe-line system, cryogenic pipeline system and TT＆C system；
The TT＆C system includes signal picker and PLC controller, and the signal picker includes first pressure sensor
(12) and second pressure sensor (13), the signal picker are used to acquire the information in each pipe-line system, the PLC controls
The information that device is used to be acquired according to the signal picker calculates the response time of solenoid valve；
The primary path pipe-line system from air inlet to outlet includes the first pressure reducing valve (4) successively, the second shut-off valve (7), described
First pressure sensor (12), experiment station (20) and the second pressure sensor (13), for passing through the first pressure
The difference of sensor (12) and second pressure sensor (13) judges the air-tightness of electromagnetic pneumatic shut-off valve；
Described control air-channel system one end is located in the primary path pipeline before first pressure reducing valve (4), the other end with it is described
It tests station (20) to connect, the air source of the control valve for providing electromagnetic pneumatic shut-off valve and the corresponding airtight detection of progress；
The cryogenic pipeline system and helium pipeline system outlet are connected to second shut-off valve (7) and the first pressure passes
In primary path pipeline between sensor (12), the cryogenic pipe system is used for the precooling of cryogenic property detection, the helium pipeline
System is used for the detection of cryogenic property.
2. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 1, which is characterized in that the primary path
Pipe-line system further includes the first shut-off valve (2) and the 5th shut-off valve (14), first shut-off valve (2) and the 5th shut-off valve (14)
It is respectively provided at air inlet and the exit of the primary path pipe-line system.
3. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 2, which is characterized in that the primary path
Pipe-line system further includes vent stop valve, and the vent stop valve includes the first vent stop valve (15) and third vent stop valve
(19)。
4. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 2, which is characterized in that the air inlet
Filter (1) is equipped between first shut-off valve (2).
5. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 1, which is characterized in that described first subtracts
Gas cylinder (5) is equipped between pressure valve (4) and second shut-off valve (7).
6. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 5, which is characterized in that primary path pipeline
In, the latus rectum of the gas cylinder (5) to primary path tube outlet is not less than 40mm.
7. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 1, which is characterized in that the control gas
Road system includes third pressure reducing valve (18), and the 4th pressure is equipped between the third pressure reducing valve (18) and the experiment station (20)
Table (17).
8. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 1, which is characterized in that the helium tube
Road system is equipped with the second pressure reducing valve (8) and third shut-off valve (10).
9. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 1, which is characterized in that the cryotronl
Road system is equipped with the 4th shut-off valve (11).
10. a kind of multifunction electromagnetic pneumatic stopping valve testing stand according to claim 1, which is characterized in that the third
Shut-off valve (10), the 4th shut-off valve (11) and the second shut-off valve (7) are cryogenic globe valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027125.1A CN108332958B (en) | 2018-01-11 | 2018-01-11 | Multifunctional electromagnetic pneumatic stop valve test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027125.1A CN108332958B (en) | 2018-01-11 | 2018-01-11 | Multifunctional electromagnetic pneumatic stop valve test bed |
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| Publication Number | Publication Date |
|---|---|
| CN108332958A true CN108332958A (en) | 2018-07-27 |
| CN108332958B CN108332958B (en) | 2019-12-24 |
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| CN201810027125.1A Active CN108332958B (en) | 2018-01-11 | 2018-01-11 | Multifunctional electromagnetic pneumatic stop valve test bed |
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Cited By (9)
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|---|---|---|---|---|
| CN108760190A (en) * | 2018-08-08 | 2018-11-06 | 中车洛阳机车有限公司 | A kind of solenoid valve air-tight test closed system |
| CN109000918A (en) * | 2018-09-21 | 2018-12-14 | 中国船舶重工集团公司第七研究所 | Gas engine electric-controlled gas sprays valve test device and its test method |
| CN109116115A (en) * | 2018-11-09 | 2019-01-01 | 广西玉柴机器股份有限公司 | The detection method of engine electromagnetic valve |
| CN109596336A (en) * | 2019-01-25 | 2019-04-09 | 江苏凯迪航控系统股份有限公司 | The detection device of turbocharger core members |
| CN109932141A (en) * | 2019-05-09 | 2019-06-25 | 中南大学 | A kind of leakage system safety testing device for space flight low-temperature composite material tank |
| CN109932140A (en) * | 2019-05-08 | 2019-06-25 | 中南大学 | A kind of leakage system safety testing device for space flight low-temperature composite material component |
| CN110160716A (en) * | 2019-06-25 | 2019-08-23 | 安徽南氟化工设备有限公司 | A kind of quick action emergency valve sealing propertytest system |
| CN113484231A (en) * | 2021-07-09 | 2021-10-08 | 中国人民解放军63796部队 | Low-temperature pneumatic stop valve friction force online testing method |
| CN113960466A (en) * | 2021-10-27 | 2022-01-21 | 湖北三江航天红峰控制有限公司 | Multifunctional electromagnetic valve test bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108760190A (en) * | 2018-08-08 | 2018-11-06 | 中车洛阳机车有限公司 | A kind of solenoid valve air-tight test closed system |
| CN109000918A (en) * | 2018-09-21 | 2018-12-14 | 中国船舶重工集团公司第七研究所 | Gas engine electric-controlled gas sprays valve test device and its test method |
| CN109000918B (en) * | 2018-09-21 | 2024-06-04 | 中国船舶集团有限公司第七一一研究所 | Testing device and testing method for electric control fuel gas injection valve of gas engine |
| CN109116115A (en) * | 2018-11-09 | 2019-01-01 | 广西玉柴机器股份有限公司 | The detection method of engine electromagnetic valve |
| CN109596336A (en) * | 2019-01-25 | 2019-04-09 | 江苏凯迪航控系统股份有限公司 | The detection device of turbocharger core members |
| CN109932140A (en) * | 2019-05-08 | 2019-06-25 | 中南大学 | A kind of leakage system safety testing device for space flight low-temperature composite material component |
| CN109932141A (en) * | 2019-05-09 | 2019-06-25 | 中南大学 | A kind of leakage system safety testing device for space flight low-temperature composite material tank |
| CN110160716A (en) * | 2019-06-25 | 2019-08-23 | 安徽南氟化工设备有限公司 | A kind of quick action emergency valve sealing propertytest system |
| CN113484231A (en) * | 2021-07-09 | 2021-10-08 | 中国人民解放军63796部队 | Low-temperature pneumatic stop valve friction force online testing method |
| CN113484231B (en) * | 2021-07-09 | 2023-06-16 | 中国人民解放军63796部队 | Online testing method for friction force of low-temperature pneumatic stop valve |
| CN113960466A (en) * | 2021-10-27 | 2022-01-21 | 湖北三江航天红峰控制有限公司 | Multifunctional electromagnetic valve test bed |
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| Publication number | Publication date |
|---|---|
| CN108332958B (en) | 2019-12-24 |
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