CN207923440U - Reversal valve RTA reliability test assembly - Google Patents
Reversal valve RTA reliability test assembly Download PDFInfo
- Publication number
- CN207923440U CN207923440U CN201820441758.2U CN201820441758U CN207923440U CN 207923440 U CN207923440 U CN 207923440U CN 201820441758 U CN201820441758 U CN 201820441758U CN 207923440 U CN207923440 U CN 207923440U
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- China
- Prior art keywords
- pressure
- reversal valve
- gauge outfit
- output end
- input terminal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model is related to a kind of reversal valve RTA reliability test assemblies.The high-pressure air source of 1 40MPa of the utility model pressure supply, the low-pressure gas source of 0.4 0.6MPa of pressure supply, three pressure sensors with gauge outfit, three solenoid valves and control centre.The utility model is with high-pressure air source output high-pressure gas, reversal valve is controlled by low-pressure gas source, and the first output end, second output terminal two states are connected, it detects whether reversal valve works normally with the change information of pressure detection value, the reliability of verification experimental verification reversal valve work is repeated with big number.The utility model has many advantages, such as high automation, low cost, high efficiency.
Description
Technical field
The utility model belongs to valve detection technical field, more particularly to a kind of reversal valve RTA reliability test assembly.
Background technology
In modern society, it is related to chemical industry, combustion gas, oil and the automated production detection field of various gas-liquids driving, valve
The Primary Component to necessitate.In various valves, reversal valve is that there are two or more liquid forms and more than two gas-liquids to go out
The directional control valve of mouth is mainly used for realizing communication, cut-out and the commutation of gas circuit fluid path and discharge degree and sequentially-operating control
System.
Producer's fish mesh of production reversal valve mixes at present at home, and product quality variance is very big.Insecure reversal valve peace
In production detecting system, it is easy to cause accident.Therefore, it is necessary to carry out necessary quality testing to reversal valve.
Invention content
The utility model is in view of the deficiencies of the prior art, it is proposed that a kind of reversal valve RTA reliability test assembly.
The device of the utility model includes the high-pressure air source of pressure supply 1-40MPa, the low-pressure gas source of pressure supply 0.4-0.6MPa, three
A pressure sensor with gauge outfit, three solenoid valves and control centre.
The output end of high-pressure air source is connect with the input terminal of first pressure sensor with gauge outfit with pressure-bearing pipe, first
The input terminal of the output end of pressure sensor with gauge outfit and first solenoid valve is connected with pressure-bearing pipe, first solenoid valve it is defeated
Outlet is connect with the input terminal of reversal valve to be tested with pressure-bearing pipe；The control of the output end of low-pressure gas source and reversal valve to be tested
End processed is connected with pressure-bearing pipe；The input terminal of first output end of reversal valve to be tested and second pressure sensor with gauge outfit
It is connected with pressure-bearing pipe, the output end of second pressure sensor with gauge outfit and the input terminal pressure-bearing pipe of second solenoid valve connect
It connects；The second output terminal of reversal valve to be tested is connect with the input terminal of pressure sensor of the third with gauge outfit with pressure-bearing pipe,
The output end of pressure sensor of the third with gauge outfit is connected with the input terminal of third solenoid valve with pressure-bearing pipe；Control centre point
It is not connect with data line with high-pressure air source, low-pressure gas source, three pressure sensors with gauge outfit, three solenoid valves.
Furtherly, the control centre is computer with driving card and data collecting card or with touch screen
PLC system.
The reliability test principle of the utility model is, with high-pressure air source output high-pressure gas, to be controlled by low-pressure gas source
The first output end, second output terminal two states are connected in reversal valve, are to detect reversal valve with the change information of pressure detection value
No normal work repeats the reliability of verification experimental verification reversal valve work with big number.
The utility model is primarily adapted for use in reversal valve reliability test, is realized by pressure sensor reliable to reversal valve
Property experiment during real-time pressure monitoring, use with driving card, the computer of data collecting card or with touch screen
PLC system judges test result as control centre, by control centre, realizes the automation inspection of reversal valve reliability test
It surveys.The utility model has many advantages, such as high automation, low cost, high efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Below in conjunction with attached drawing, the utility model is described in further detail.
The device of the present embodiment includes：The high-pressure air source 1 of pressure supply 1-40MPa, the low-pressure gas source 5 of pressure supply 0.4-0.6MPa,
Three pressure sensors 2 with gauge outfit, 6,8, three solenoid valves 3,7,9, reversal valve 4 to be tested and carry driving card and data
The computer of capture card or PLC system with touch screen are as control centre 10.
The output end of high-pressure air source is connect with the input terminal of first pressure sensor with gauge outfit with pressure-bearing pipe, first
The input terminal of the output end of pressure sensor with gauge outfit and first solenoid valve is connected with pressure-bearing pipe, first solenoid valve it is defeated
Outlet is connect with the input terminal of reversal valve to be tested with pressure-bearing pipe；The control of the output end of low-pressure gas source and reversal valve to be tested
End processed is connected with pressure-bearing pipe；The input terminal of first output end of reversal valve to be tested and second pressure sensor with gauge outfit
It is connected with pressure-bearing pipe, the output end of second pressure sensor with gauge outfit and the input terminal pressure-bearing pipe of second solenoid valve connect
It connects；The output end of second solenoid valve is towards the vacant of safety；The second output terminal of reversal valve to be tested and third band gauge outfit
The input terminal of pressure sensor connected with pressure-bearing pipe, the output end and third electromagnetism of pressure sensor of the third with gauge outfit
The input terminal of valve is connected with pressure-bearing pipe；The output end of third solenoid valve is towards the vacant of safety；Control centre respectively with high pressure gas
Source, low-pressure gas source, three pressure sensors with gauge outfit, three solenoid valves are connected with data line.
Realize that the process of reversal valve reliability test includes the following steps using the device：
Reliability test times N=500, the negative testing pressure P0 of reversal valve 4 to be tested are set by control centre 10
=20MPa, deviation pressure dP=0.2MPa；Three solenoid valves are opened, three solenoid valves are closed after waiting for 20 seconds；High pressure gas is set
1 output pressure 20MPa of source opens high-pressure air source 1.
Following steps carry out 500 reliability tests of check valve：First electricity is opened in the first step, the control of control centre 10
Magnet valve 3；Low-pressure gas source 5 is closed, and control centre 10 reads the pressure value of first pressure sensor 2 with gauge outfit
Pressure value P2=the 19.9MPa, P1-P2=0.1MPa of P1=20MPa, second pressure sensor 6 with gauge outfit<dP=
0.2MPa, reversal valve first passage are normal；Second step, the control of control centre 10 open low-pressure gas source 5, open second solenoid valve
7, control centre 10 reads pressure value P2=0MPa of second pressure sensor 6 with gauge outfit, the third pressure with gauge outfit
Pressure value P3=the 19.9MPa, P1-P3=0.1MPa of sensor 8<DP=0.2MPa, reversal valve second channel are normal；Third walks,
The control of control centre 10 closes first solenoid valve 3, opens third solenoid valve 9, and control centre 10 reads third band gauge outfit
Pressure sensor 8 pressure value P3=0MPa；4th step, control centre 10 compare pressure value：Meet conducting P2, P3 to connect
It is bordering on P1 and releases stress P2, P3 close to 0MPa, then complete a reliability test, the new primary survey since the first step again
Examination, until completing 500 tests, reversal valve test passes.
Claims (2)
1. reversal valve RTA reliability test assembly, it is characterised in that：High-pressure air source, pressure supply 0.4- including pressure supply 1-40MPa
The low-pressure gas source of 0.6MPa, three pressure sensors with gauge outfit, three solenoid valves and control centre；
The output end of high-pressure air source is connect with the input terminal of first pressure sensor with gauge outfit with pressure-bearing pipe, first band table
The output end of pressure sensor and the input terminal of first solenoid valve of head are connected with pressure-bearing pipe, the output end of first solenoid valve
It is connect with pressure-bearing pipe with the input terminal of reversal valve to be tested；The control terminal of the output end of low-pressure gas source and reversal valve to be tested
It is connected with pressure-bearing pipe；First output end of reversal valve to be tested and the input terminal of second pressure sensor with gauge outfit are with holding
Pressure pipe connects, and the output end of second pressure sensor with gauge outfit and the input terminal of second solenoid valve are connected with pressure-bearing pipe；
The second output terminal of reversal valve to be tested is connect with the input terminal of pressure sensor of the third with gauge outfit with pressure-bearing pipe, third
The output end of a pressure sensor with gauge outfit is connected with the input terminal of third solenoid valve with pressure-bearing pipe；Control centre respectively with
High-pressure air source, low-pressure gas source, three pressure sensors with gauge outfit, three solenoid valves are connected with data line.
2. reversal valve RTA reliability test assembly according to claim 1, it is characterised in that：The control centre be with
The computer of driving card and data collecting card or the PLC system with touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441758.2U CN207923440U (en) | 2018-03-30 | 2018-03-30 | Reversal valve RTA reliability test assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441758.2U CN207923440U (en) | 2018-03-30 | 2018-03-30 | Reversal valve RTA reliability test assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923440U true CN207923440U (en) | 2018-09-28 |
Family
ID=63596656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820441758.2U Expired - Fee Related CN207923440U (en) | 2018-03-30 | 2018-03-30 | Reversal valve RTA reliability test assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058095A (en) * | 2019-03-12 | 2019-07-26 | 中国农业大学 | Simulate the irrigation magnetic valve performance test macro and method of multi-water resources irrigation conditions |
-
2018
- 2018-03-30 CN CN201820441758.2U patent/CN207923440U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058095A (en) * | 2019-03-12 | 2019-07-26 | 中国农业大学 | Simulate the irrigation magnetic valve performance test macro and method of multi-water resources irrigation conditions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |