CN217786777U - Special accurate pneumatic pressure relief device of superhigh pressure - Google Patents
Special accurate pneumatic pressure relief device of superhigh pressure Download PDFInfo
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- CN217786777U CN217786777U CN202221924951.4U CN202221924951U CN217786777U CN 217786777 U CN217786777 U CN 217786777U CN 202221924951 U CN202221924951 U CN 202221924951U CN 217786777 U CN217786777 U CN 217786777U
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- stop valve
- pneumatic stop
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Abstract
The utility model discloses a special accurate pneumatic pressure relief device of superhigh pressure, including first pneumatic stop valve, first pneumatic stop valve passes through the pneumatic stop valve of high frequency guide's solenoid directional valve series connection second, and first pneumatic stop valve is connected with high-pressure interface, and first pneumatic stop valve and the pneumatic stop valve of second end are connected with the release metering tube, and first pneumatic stop valve is connected with the control air supply, and second pneumatic stop valve is connected with the pressure release mouth, still is provided with pneumatic stop valve guide's ooff valve between first pneumatic stop valve and the control air supply. The utility model discloses a with the pneumatic stop valve series connection of first pneumatic stop valve and second, when first pneumatic stop valve was opened, the pneumatic stop valve of second was closed, during high pressure in the test container can get into the release metering pipe, when the pneumatic stop valve of second was opened, first pneumatic stop valve was closed, pressure in the release metering pipe can discharge, the pressure that unloads promptly of atmospheric pressure in the release metering pipe, so can realize the purpose of accurate release.
Description
Technical Field
The utility model belongs to the technical field of pressure relief device, in particular to special accurate pneumatic pressure relief device of superhigh pressure.
Background
In a hydraulic test or an airtight test, when the water pressure or the air pressure is too high, the final test result may be affected, for a small container, if the pressure is too high, the container may be damaged, and therefore, the water pressure or the air pressure in the container needs to be reduced to a set pressure value, in a real operation, the problem of accurate pressure relief control, particularly high-pressure water pressure, is encountered, if the volume of the container is relatively small, when a pressure relief valve is slightly opened, the pressure in the container is reduced to zero pressure, the control is difficult, if a back pressure valve is used for pressure relief, the manufacturing cost is extremely high, and a pipeline is relatively complex, so that an accurate pneumatic pressure relief valve special for ultrahigh pressure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides the special accurate pneumatic pressure relief device of superhigh pressure, when having solved current hydrostatic test or airtight test, the problem that can not accurate release control.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the special accurate pneumatic pressure relief device of superhigh pressure, including first pneumatic stop valve, first pneumatic stop valve is established ties there is the pneumatic stop valve of second, first pneumatic stop valve has high pressure connection through the tube coupling, first pneumatic stop valve port end with the pneumatic stop valve port end of second is connected with the release metering tube, first pneumatic stop valve and the pneumatic stop valve of second have the control air supply through the tube coupling, the pneumatic stop valve of second has the pressure release mouth through the tube coupling, first pneumatic stop valve with still be provided with pneumatic stop valve guide switch valve on the pipeline between the control air supply.
Further, the first pneumatic stop valve is connected with the second pneumatic stop valve in series through a high-frequency pilot electromagnetic directional valve.
Further, a pressure sensor is arranged on a pipeline between the high-pressure connector and the first pneumatic stop valve.
Furthermore, the first pneumatic stop valve and the second pneumatic stop valve are connected with a pneumatic stop valve throttle valve, and the pneumatic stop valve throttle valve is used for controlling the air pressure entering the first pneumatic stop valve and the second pneumatic stop valve.
Further, the control air source is connected to an air source or compressed air.
Further, the high-pressure interface is connected to the test container.
Furthermore, the pipe diameter of the pressure relief metering pipe is 0.5 mm, 1 mm, 1.5 mm, 2 mm and the like.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the first pneumatic stop valve is connected with the second pneumatic stop valve in a combined mode through a high-frequency pilot electromagnetic valve, the high-frequency pilot electromagnetic valve reversing valve can control the connection and disconnection of an air source and the first pneumatic stop valve or the second pneumatic stop valve, when the first pneumatic stop valve is opened, high pressure in the test container can enter the pressure relief metering pipe, when the second pneumatic stop valve is opened, the valve of the first pneumatic stop valve can be automatically closed, the valve of the second pneumatic stop valve is opened, air pressure in the pressure relief metering pipe can be discharged, and the corresponding pressure value in the pressure relief metering pipe is the discharged pressure value;
2. the pipe diameters of the pressure relief metering pipes are in various specifications such as 0.5 mm, 1 mm, 1.5 mm and 2 mm, the accommodating cavities of the metering pipes are different, the pressure values discharged are also different, and the pipe diameters of the pressure relief metering pipes can be changed according to the sizes of the experimental containers;
3. the pressure sensor is arranged, so that the pressure flowing through the pipeline can be sensed, and when the pressure reaches the pressure value required by the experimental container, the pressure relief operation can be stopped;
4. through setting up pneumatic stop valve choke valve, can adjust the atmospheric pressure size of flowing through first pneumatic stop valve or the pneumatic stop valve of second, through setting up pneumatic stop valve guide switch valve, can control gaseous entering and close.
Drawings
Fig. 1 is a block diagram of a system structure of the special precise pneumatic pressure relief device for ultrahigh pressure of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of the special precise pneumatic pressure relief device for ultrahigh pressure of the present invention;
fig. 3 is a schematic structural view of the pressure relief metering tube of the special precise pneumatic pressure relief device for ultrahigh pressure of the present invention;
fig. 4 is the schematic structural diagram of the base bracket of the special precise pneumatic pressure relief device for ultrahigh pressure of the utility model.
In the figure: 1. a pilot switch valve of the pneumatic stop valve; 2. a pneumatic stop valve throttle valve; 3. a pressure sensor; 4. a first pneumatic stop valve; 5. a second pneumatic stop valve; 6. a pressure relief metering tube; 7. controlling an air source; 8. a high-voltage interface; 9. a pressure relief port; 10. a base support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the utility model discloses a novel special accurate pneumatic release of superhigh pressure device, including first pneumatic stop valve 4, first pneumatic stop valve 4 establishes ties there is second pneumatic stop valve 5, specifically, first pneumatic stop valve 4 is in the same place through high frequency guide's solenoid directional valve and the combination of second pneumatic stop valve 5, preferably, high frequency guide's solenoid directional valve can adopt two-position five-way single control solenoid valve, further, high frequency guide's solenoid directional valve has control air supply 7 through the pipe connection, control air supply 7 can external air supply, for example compressed air, further, high frequency guide's solenoid directional valve is connected with switch, through high frequency guide's solenoid directional valve, can change control air supply 7 and first pneumatic stop valve 4 or the interface of second pneumatic stop valve 5, when high frequency guide's solenoid directional valve and first pneumatic stop valve 4 are connected, control air supply 7 and first pneumatic stop valve 4 switch on, the valve of second pneumatic stop valve 5 is in the closed condition, when high frequency guide's solenoid directional valve and second pneumatic stop valve 5 are connected, control air supply 7 and second pneumatic stop valve 5, the pneumatic stop valve of this moment can be in the closed condition.
Further, a pilot switch valve 1 of a pneumatic stop valve is arranged between the control air source 7 and the high-frequency pilot electromagnetic directional valve, and the pilot switch valve 1 of the pneumatic stop valve can control the inflow and the closing of the compressed air.
Further, referring to fig. 3, a valve port end of the first pneumatic stop valve 4 and a valve port end of the second pneumatic stop valve 5 are connected to a pressure relief metering tube 6, preferably, the length of the pressure relief metering tube 2 is 100 mm, the pressure relief metering tube 6 is made of an ultrahigh pressure tube, the tube diameter of the pressure relief metering tube 6 can be 4 specifications such as 0.5 mm, 1 mm, 1.5 mm, 2 mm, and the pressure relief metering tube 6 can be replaced, the chambers of the pressure relief metering tube 6 are different, the contained pressures are also different, and the pressure relief metering tubes 6 with different diameters can be replaced according to the volume of the high-pressure container.
Further, first pneumatic stop valve 4 has high pressure connection 8 through the pipe connection, and high pressure connection 8 and experimental container sealing connection, and further, be provided with pressure sensor 3 on the pipeline between high pressure connection 8 and the first pneumatic stop valve 4, pressure sensor 3 can the perception connecting line on the pressure size, after the pressure that flows through the pipeline reaches the pressure that accords with the experiment, can stop the release.
Further, the second pneumatic stop valve 5 is also connected with a pressure relief port 9 through a pipeline, and the air pressure in the pressure relief metering pipe 6 can be discharged through the pressure relief port 9.
Further, a pneumatic stop valve throttle valve 2 is arranged on the first pneumatic stop valve 4 and the second pneumatic stop valve 5, and the pneumatic stop valve throttle valve 2 can adjust the air pressure entering the first pneumatic stop valve 4 or the second pneumatic stop valve 5.
Further, this embodiment still provides the specific installation stereotaxic mechanism of the special accurate pneumatic pressure relief device of superhigh pressure, specifically, refer to fig. 2 and fig. 4, this device still is provided with base support 10, base support 10 includes longitudinal tie plate and transverse connection board, transverse connection board and first pneumatic stop valve 4 fixed connection, vertical tie plate and second pneumatic stop valve 5 fixed connection, specifically, transverse connection board can be through the mode of screw nut and first pneumatic stop valve 4 fixed connection, vertical tie plate also can be through the mode of screw nut and second pneumatic stop valve 5 fixed connection, through setting up base support 10, can let this device more stable at the course of the work.
The utility model discloses a concrete working process: firstly, a high-pressure interface 8 is connected with a test container, a control air source 7 is connected with compressed air, a pilot switch valve 1 of a pneumatic stop valve is started, a high-frequency pilot electromagnetic directional valve is connected with a power supply, the control air source 7 is communicated with a first pneumatic stop valve 4, at the moment, a valve of the first pneumatic stop valve 4 is opened, a second pneumatic stop valve 5 is closed, air pressure in the high-pressure container can flow into a pressure relief metering pipe 6, when the control air source 7 and the second pneumatic stop valve 5 are communicated through the high-frequency pilot electromagnetic directional valve 4, the valve of the first pneumatic stop valve 4 is closed, the valve of the second pneumatic stop valve 5 is opened, the air pressure in the pressure relief metering pipe 6 can be discharged through a pressure relief port 9, and the purpose of accurate pressure relief can be achieved repeatedly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The special accurate pneumatic pressure relief device for ultrahigh pressure is characterized by comprising a first pneumatic stop valve (4), wherein a second pneumatic stop valve (5) is connected in series with the first pneumatic stop valve (4), the first pneumatic stop valve (4) is connected with a high-pressure interface (8) through a pipeline, the valve port end of the first pneumatic stop valve (4) and the valve port end of the second pneumatic stop valve (5) are connected with a pressure relief metering pipe (6), the first pneumatic stop valve (4) and the second pneumatic stop valve (5) are connected with a control air source (7) through a pipeline, the second pneumatic stop valve (5) is connected with a pressure relief port (9) through a pipeline, and a pilot switch valve (1) of the pneumatic stop valve is further arranged on the pipeline between the first pneumatic stop valve (4) and the control air source (7).
2. The special precise pneumatic pressure relief device for ultrahigh pressure according to claim 1, wherein the first pneumatic stop valve (4) is connected in series with the second pneumatic stop valve (5) through a high-frequency pilot electromagnetic directional valve.
3. The special precise pneumatic pressure relief device for ultrahigh pressure according to claim 1, characterized in that a pressure sensor (3) is arranged on the pipeline between the high-pressure interface (8) and the first pneumatic stop valve (4).
4. The special precise pneumatic pressure relief device for ultrahigh pressure according to claim 1, wherein a pneumatic stop valve throttle valve (2) is connected to the first pneumatic stop valve (4) and the second pneumatic stop valve (5), and the pneumatic stop valve throttle valve (2) is used for controlling the air pressure entering the first pneumatic stop valve (4) and the second pneumatic stop valve (5).
5. The dedicated precise pneumatic pressure relief device for ultra-high pressure according to claim 1, characterized in that the control gas source (7) is connected to a gas source or compressed air.
6. The precise pneumatic pressure relief device for ultra-high pressure as claimed in claim 1, characterized in that the high-pressure connection (8) is connected to a test vessel.
7. The special precise pneumatic pressure relief device for ultrahigh pressure according to claim 1, wherein the pipe diameter of the pressure relief metering pipe (6) is of four specifications, namely 0.5 mm, 1 mm, 1.5 mm, 2 mm and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221924951.4U CN217786777U (en) | 2022-07-25 | 2022-07-25 | Special accurate pneumatic pressure relief device of superhigh pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221924951.4U CN217786777U (en) | 2022-07-25 | 2022-07-25 | Special accurate pneumatic pressure relief device of superhigh pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217786777U true CN217786777U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221924951.4U Active CN217786777U (en) | 2022-07-25 | 2022-07-25 | Special accurate pneumatic pressure relief device of superhigh pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217786777U (en) |
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2022
- 2022-07-25 CN CN202221924951.4U patent/CN217786777U/en active Active
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