An on-line gas source quality detection device

Abstract

The utility model discloses a gas detection equipment field's a kind of gas source quality on-line detection equipment, including equipment installation box, detection equipment and PLC integrated module, and detection equipment is fixedly arranged in installation box interior, and detection equipment is sequentially connected with air inlet high pressure needle valve, first pressure reducing valve, second tee pipe fitting, second pressure reducing valve, third tee pipe fitting, second pneumatic diaphragm valve and oil content detector from top to bottom by screw thread, another output end of second tee pipe fitting is sequentially connected with first pneumatic diaphragm valve and dew point instrument by screw thread, another output end of third tee pipe fitting is connected with fourth tee pipe fitting by screw thread, and the downward port of fourth tee pipe fitting is sequentially connected with third pneumatic diaphragm valve and particle counter by screw thread, and the inside of installation box is fixedly connected with PLC integrated module in the inside of the top of the horizontal side of "L" shape, the utility model carries out multiple detection to gas source, and detection precision is high, it is safe to use, and it is convenient to maintain.

Description

Technical Field

[0001] This utility model relates to the field of gas detection equipment, specifically an online gas source quality detection device. Background Technology

[0002] In the production process of military high-pressure containers, the quality of the gas (nitrogen / argon) inside the missile-mounted gas cylinders and airborne refrigerant cylinders directly determines the success or failure of the launch of weapon systems such as infrared missiles. The quality of the gas is of paramount importance and must be tested before the cylinders can be used.

[0003] Under current conditions, the quality of the gas filling in the cylinder can only be indirectly proven through periodic testing. Existing gas detection methods cannot completely guarantee the quality of the gas inside the cylinder, and there may be cases of missed detections. Therefore, those skilled in the art have provided an online gas source quality detection device to solve the problems mentioned in the background art. Summary of the Invention

[0004] The purpose of this invention is to provide an online gas source quality detection device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An online gas source quality testing device includes an equipment mounting box, a testing device, and a PLC integrated module. The equipment mounting box has an "L"-shaped structure. The testing device is fixedly installed inside the mounting box. The top of the testing device is connected to a first tee fitting via threads. From top to bottom, the testing device is sequentially connected via threads to an inlet high-pressure needle valve, a first pressure reducing valve, a second tee fitting, a second pressure reducing valve, a third tee fitting, a second pneumatic diaphragm valve, and an oil content detector. The other output end of the second tee fitting is sequentially connected via threads to the first pneumatic diaphragm valve and a dew point meter. The other output end of the third tee fitting is connected via threads to a fourth tee fitting. The downward-facing port of the fourth tee fitting is connected in sequence to a third pneumatic diaphragm valve and a particle counter via threads. The horizontal output port of the fourth tee fitting is connected in sequence to a third pressure reducing valve, a fourth pneumatic diaphragm valve, and a trace oxygen analyzer via threads. Inside the equipment mounting box, a PLC integrated module is fixedly connected to the top inner side of the horizontal edge of an "L" shape. The PLC integrated module is connected to the dew point meter, the oil content detector, the particle counter, and the trace oxygen analyzer via data cables. A support plate is welded to the top of the PLC integrated module, and a display is installed on the top of the support plate. A back plate is connected to the back of the equipment mounting box via threads.

[0006] As a further embodiment of this utility model: the output end of the first pressure reducing valve is connected to a first safety valve via a thread, and the output end of the second pressure reducing valve is connected to a second safety valve via a thread.

[0007] As a further improvement of this utility model: one of the horizontal ports of the first tee fitting is connected to a gas valve via a thread, and the other horizontal port of the first tee fitting is an air inlet port.

[0008] As a further improvement of this utility model: two first reinforcing ribs are welded to the bottom two sides of the support plate, a keyboard is provided on the top of the support plate, and a two-layer support bracket is welded to the side of the device mounting box located at the bottom of the support plate. The two layers of the support bracket are respectively provided with a printer and a computer host.

[0009] As a further improvement of this utility model: a base plate is welded to the bottom of the equipment mounting box, a second reinforcing rib is welded between the middle of the base plate and the equipment mounting box, and four universal wheels are threaded to the four corners of the base plate.

[0010] As a further improvement of this utility model: the inner side of the back plate is provided with a mounting groove, and the mounting groove is slidably connected to the equipment housing.

[0011] As a further improvement of this utility model: multiple U-shaped fixing brackets are welded on the back plate, and the fixing brackets are snapped together with the testing equipment.

[0012] As a further improvement of this utility model: a cooling fan is embedded at the bottom corner of the "L"-shaped horizontal side of the back plate, and the start-up of the cooling fan is controlled by a PLC integrated module.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. In this utility model, the detection equipment is connected sequentially from top to bottom via threads to include an inlet high-pressure needle valve, a first pressure reducing valve, a second three-way fitting, a second pressure reducing valve, a third three-way fitting, a second pneumatic diaphragm valve, and an oil content detector. The other output end of the second three-way fitting is connected sequentially via threads to the first pneumatic diaphragm valve and a dew point meter. The other output end of the third three-way fitting is connected sequentially via threads to a fourth three-way fitting. The downward-facing port of the fourth three-way fitting is connected sequentially via threads to the third pneumatic diaphragm valve and a particle counter. The horizontal output port of the fourth three-way fitting is connected sequentially via threads to the third pressure reducing valve, the fourth pneumatic diaphragm valve, and a trace oxygen analyzer. Switching different pressure reducing valves and pneumatic diaphragm valves allows for different pathways, enabling real-time detection of different types of gases. It is convenient and safe to use.

[0014] 2. In this utility model, a PLC integrated module is fixedly connected inside the equipment mounting box. The PLC integrated module is connected to the dew point meter, oil content detector, particle counter and trace oxygen analyzer via data cable. The data of the PLC integrated module is transmitted to the computer host and displayed on the monitor, which facilitates real-time observation of the test results. The computer host is connected to a printer, which facilitates printing the test results and recording and comparing the test results. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a front view schematic diagram of the structure of this utility model; Figure 3 This is a schematic diagram of the structure of the testing equipment in this utility model; Figure 4 This is a schematic diagram of the back plate structure in this utility model.

[0016] In the diagram: 1. Equipment mounting box; 2. Back panel; 3. Support plate; 4. Monitor; 5. Keyboard; 6. Support bracket; 7. Printer; 8. Computer host; 9. First reinforcing rib; 10. Second reinforcing rib; 11. Base plate; 12. Casters; 13. First tee fitting; 14. Air valve; 15. Air inlet port; 16. Testing equipment; 17. High-pressure needle valve for air inlet; 18. First pressure reducing valve; 19. First pneumatic diaphragm valve; 20. Second pressure reducing valve; 1. Second pneumatic diaphragm valve; 22. Third pneumatic diaphragm valve; 23. Third pressure reducing valve; 24. Fourth pneumatic diaphragm valve; 25. PLC integrated module; 26. First safety valve; 27. Second tee fitting; 28. Dew point meter; 29. ​​Second safety valve; 30. Third tee fitting; 31. Fourth tee fitting; 32. Oil content detector; 33. Particle counter; 34. Trace oxygen analyzer; 35. Mounting slot; 36. Fixing bracket; 37. Cooling fan. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-4In this embodiment of the present invention, an online gas source quality detection device includes an equipment mounting box, a detection device 16, and a PLC integrated module 25. The equipment mounting box 1 has an "L"-shaped structure. The detection device 16 is fixedly installed inside the mounting box. The top of the detection device 16 is connected to a first tee fitting 13 by a thread. From top to bottom, the detection device 16 is connected to an inlet high-pressure needle valve 17, a first pressure reducing valve 18, a second tee fitting 27, a second pressure reducing valve 20, a third tee fitting 30, a second pneumatic diaphragm valve 21, and an oil content detector 32 by a thread. The other output end of the second tee fitting 27 is connected to a first pneumatic diaphragm valve 19 and a dew point meter 28 by a thread. The other output end of the third tee fitting 30 is connected to a fourth tee fitting 31 by a thread. The downward-facing port of the fourth tee fitting 31 is connected to a third pneumatic diaphragm valve by a thread. The horizontal output port of the fourth tee fitting 31 is connected in sequence to the third pressure reducing valve 23, the fourth pneumatic diaphragm valve 24, and the trace oxygen analyzer 34 via threads. Inside the equipment mounting box 1, a PLC integrated module 25 is fixedly connected to the top inner side of the horizontal side of the "L" shape. The PLC integrated module 25 is connected to the dew point meter 28, the oil content detector 32, the particle counter 33, and the trace oxygen analyzer 34 via data cables. A support plate 3 is welded to the top of the PLC integrated module 25, and a display 4 is installed on the top of the support plate 3. A back plate 2 is connected to the back of the equipment mounting box 1 via threads. This invention, through the PLC electronic control system and the cooperation between various components, can detect the quality of the gas source (including solid particle size, dew point, oil content, and oxygen content) online in real time, realize the visualization and management analysis of data, and ensure the cleanliness and safety of the gas source.

[0019] The first pressure reducing valve 18 is connected to the first safety valve 26 via a threaded connection at its output end, and the second pressure reducing valve 20 is connected to the second safety valve 29 via a threaded connection at its output end, making it safer to use. One of the horizontal ports of the first tee fitting 13 is connected to a gas valve 14 via a thread, which is convenient to use. The other horizontal port of the first tee fitting 13 is an air inlet port 15. Among them, two first reinforcing ribs 9 are welded to the bottom sides of the support plate 3, and a keyboard 5 is set on the top of the support plate 3. The side of the equipment mounting box 1 is welded to the bottom position of the support plate 3 with two layers of support brackets 6. The two layers of the support brackets 6 are respectively equipped with a printer 7 and a computer host 8, which can print out the test results and facilitate the observation and storage of the test results. The bottom of the equipment mounting box 1 is welded with a base plate 11, and a second reinforcing rib 10 is welded between the middle of the base plate 11 and the equipment mounting box 1. Four universal wheels 12 are threadedly connected to the four corners of the base plate 11, which facilitates the installation of the equipment mounting box 1 and makes it easy to use. The back plate 2 has an inner mounting groove 35, which is slidably connected to the equipment housing, improving the installation strength of the back plate 2 and ensuring safe use. The back plate 2 is welded with multiple U-shaped fixing brackets 36, which are snapped together with the testing equipment 16, making it easy to disassemble and maintain the testing equipment 16 and convenient to use. The bottom corner of the "L"-shaped horizontal edge of the back panel 2 is inlaid with a cooling fan 37. The start-up of the cooling fan 37 is controlled by the PLC integrated module 25, which facilitates heat dissipation inside the equipment installation box 1 and makes it safer to use.

[0020] The working principle of this utility model is as follows: An external air source is connected to the air inlet port 15, the air valve 14 is closed, the power is turned on, the main power switch of the equipment is started, and then the high-pressure needle valve 17 of the air inlet is slowly opened. The high-pressure air source enters the channel of the detection equipment 16. After passing through the first pressure reducing valve 18, the pressure of the high-pressure air source drops to about 30 bar. Part of the gas passes through the first pneumatic diaphragm valve 19 and reaches the dew point meter 28 for detection. Another part of the gas passes through the second pressure reducing valve 20, and the pressure drops to between 3 and 7 bar. It then passes through the second pneumatic diaphragm valve 21 to reach the oil content detector 32 and through the third pneumatic diaphragm valve 22 to reach the particle counter 33 for detection. Finally, the last part of the gas passes through the third pressure reducing valve 23... The pressure drops to 1 bar, meeting the measurement pressure of the trace oxygen analyzer 34. This gas reaches the trace oxygen analyzer 34 for detection through the fourth pneumatic diaphragm valve 24. The gas can be monitored in real time and clearly classified, making it easy to use. The monitoring data of the four detectors, namely the dew point meter 28, oil content detector 32, particle counter 33, and trace oxygen analyzer, are connected to the PLC integrated module 25 and transmitted to the computer host 8, and displayed on the monitor 4. The test results can be printed by the printer 7, which is convenient for observation and use. At the same time, the computer host 8 can control the cooling fan 37 located on the back panel 2 to work on a timer through the PLC integrated module 25, which facilitates heat dissipation inside the equipment installation box 1 and makes it safer to use.

[0021] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An online gas source quality detection device, comprising a device mounting box, a detection device (16), and a PLC integrated module (25), characterized in that: The equipment mounting box (1) has an "L" shaped structure. A detection device (16) is fixedly installed inside the mounting box. The top of the detection device (16) is connected to a first tee fitting (13) by a thread. The detection device (16) is connected to an inlet high-pressure needle valve (17), a first pressure reducing valve (18), a second tee fitting (27), a second pressure reducing valve (20), a third tee fitting (30), a second pneumatic diaphragm valve (21), and an oil content detector (32) by a thread from top to bottom. The other output end of the second tee fitting (27) is connected to a first pneumatic diaphragm valve (19) and a dew point meter (28) by a thread. The other output end of the third tee fitting (30) is connected to a fourth tee fitting (31) by a thread. The downward-facing port of the fourth tee fitting (31) is connected to... The third pneumatic diaphragm valve (22) and the particle counter (33) are connected in sequence by threads. The horizontal output port of the fourth tee fitting (31) is connected in sequence by threads to the third pressure reducing valve (23), the fourth pneumatic diaphragm valve (24) and the trace oxygen analyzer (34). The PLC integrated module (25) is fixedly connected to the inside of the top of the horizontal side of the "L"-shaped housing (1). The PLC integrated module (25) is connected to the dew point meter (28), the oil content detector (32), the particle counter (33) and the trace oxygen analyzer (34) by data cable. The top of the PLC integrated module (25) is welded with a support plate (3). The top of the support plate (3) is equipped with a display (4). The back of the housing (1) is connected to a back plate (2) by threads.

2. The online gas source quality detection device according to claim 1, characterized in that: The output end of the first pressure reducing valve (18) is connected to a first safety valve (26) via a thread, and the output end of the second pressure reducing valve (20) is connected to a second safety valve (29) via a thread.

3. The online gas source quality detection device according to claim 1, characterized in that: One of the horizontal ports of the first tee fitting (13) is connected to a gas valve (14) via a thread, and the other horizontal port of the first tee fitting (13) is an air inlet port (15).

4. The online gas source quality detection device according to claim 1, characterized in that: Two first reinforcing ribs (9) are welded to the bottom sides of the support plate (3). A keyboard (5) is provided on the top of the support plate (3). A two-layer support bracket (6) is welded to the side of the device mounting box (1) at the bottom position of the support plate (3). A printer (7) and a computer host (8) are respectively provided on the two layers of the support bracket (6).

5. The online gas source quality detection device according to claim 1, characterized in that: The bottom of the equipment mounting box (1) is welded with a base plate (11), and a second reinforcing rib (10) is welded between the middle position of the base plate (11) and the equipment mounting box (1). Four universal wheels (12) are connected to the four corners of the base plate (11) by threads.

6. The online gas source quality detection device according to claim 1, characterized in that: The back plate (2) has an installation groove (35) on its inner side, and the installation groove (35) is slidably connected to the equipment mounting box (1).

7. The online gas source quality detection device according to claim 1, characterized in that: Multiple U-shaped fixing brackets (36) are welded on the back plate (2), and the fixing brackets (36) are snapped together with the testing equipment (16).

8. The online gas source quality detection device according to claim 1, characterized in that: A cooling fan (37) is embedded at the bottom corner of the "L"-shaped horizontal side of the back plate (2), and the start-up of the cooling fan (37) is controlled by the PLC integrated module (25).

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