CN212722032U - VS + SQL Server-based pressure reducing valve test system - Google Patents

Abstract

The utility model discloses a pressure reducing valve test system based on VS + SQL Server, which has the technical scheme that the pressure reducing valve test system comprises an upper air pipe and a lower air pipe which are used for being connected at two ends of the pressure reducing valve, wherein the upper air pipe and the lower air pipe are both hard pipes, the upper air pipe is communicated with an air source, the upper air pipe is provided with a stop valve, the adjacent ends of the upper air pipe and the lower air pipe are both provided with hoses, the end parts of the hoses are provided with connecting hard pipe sections, and the hard pipe sections can be detachably connected with connecting pipe orifices; go up trachea and the fixed slide rail of tracheal outer wall down, the hard tube section slides in the slide rail, and the hard tube section passes through the fix with screw at the slide rail, connecting pipe mouth of pipe threaded connection is in hard tube section, the fixed sliding sleeve of hard tube section, the sliding sleeve cover is established at the slide rail, and screw threaded connection is in hard tube section, a tip of screw is contradicted on the slide rail, can remove and the mode that orificial model can be changed through relief pressure valve both ends mouth of pipe position, make relief pressure valve test system can detect the relief pressure valve of multiple model, make relief pressure valve test system's the use universality can increase.

Description

VS + SQL Server-based pressure reducing valve test system

Technical Field

The utility model relates to a relief pressure valve test field, more specifically say, it relates to a based on VS + SQL Sever relief pressure valve test system.

Background

In some special fields, such as aviation uniforms, the aviation uniforms pressure reducing valve can balance the internal and external pressures of a human body through multiple pressure reduction, so that the life safety of astronauts is ensured, and therefore, how to test the performance of the pressure reducing valve becomes one of the current primary tasks.

In order to detect the characteristics of the pressure reducing valve with high precision, a testing system of the high-pressure gas pressure reducing valve is integrally designed and test system software is written on a VS2012 software platform in combination with a Microsoft SQL Server 2008 database, and finally, the software which is more stable, attractive, simple and convenient to operate and easy to maintain on the basis of meeting the requirements is designed through a large number of experimental tests, wherein a system structural system diagram of the software is shown in FIG. 1.

The VS + SQL Server pressure reducing valve test system has a problem, most hardware of the existing test system is used for detecting a pressure reducing valve, and a connecting pipeline and the pressure reducing valve of the test system are separately matched, so that the practical universality of the VS + SQL Server pressure reducing valve test system is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a based on VS + SQL Sever relief pressure valve test system, through the removal of relief pressure valve both ends mouth of pipe position to and orificial model can be changed, make relief pressure valve test system can detect the relief pressure valve of multiple model, make relief pressure valve test system's the use universality can increase.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pressure reducing valve testing system based on VS + SQL Server comprises an upper air pipe and a lower air pipe which are used for being connected to two ends of a pressure reducing valve, wherein the upper air pipe and the lower air pipe are both hard pipes, the upper air pipe is communicated with an air source and is provided with a stop valve, the adjacent ends of the upper air pipe and the lower air pipe are both provided with hoses, the end parts of the hoses are provided with hard pipe sections, and the hard pipe sections are detachably connected with connecting pipe orifices; the outer walls of the upper air pipe and the lower air pipe are fixed with slide rails, the hard pipe section slides on the slide rails, and the hard pipe section is fixed on the slide rails through screws.

Through adopting above-mentioned technical scheme, because the hose section has the deformation space of wrench movement, so can adjust the position that relief pressure valve both ends are connected the mouth of pipe, and do not adopt the reason of full hose, lie in that the test gas pressure of relief pressure valve is stronger, is difficult for adopting full hose.

The sliding fixing function of the sliding rail and the hard pipe section is to avoid that high-pressure gas drives the hose to be twisted greatly when flowing, and the two ends of the pressure reducing valve are fixed on the sliding rail by the hard pipe section, so that the swinging phenomenon at the two ends of the pressure reducing valve is avoided, and the pressure reducing valve is favorable for stable test.

The connecting pipe orifice can be replaced by different types according to different pressure reducing valves so as to achieve the purpose of testing and installing the pressure reducing valves of different types.

Preferably, the connecting nozzle is threaded onto the hard pipe section.

By adopting the technical scheme, the threaded connection is more convenient to disassemble and is stable in connection; the sealing property is also excellent, and the screw connection is a preferable connection method in the present design.

Preferably, the hard pipe section is fixed with the sliding sleeve, and the sliding sleeve cover is established at the slide rail, and screw threaded connection is at the hard pipe section, and a tip of screw is contradicted on the slide rail.

Through adopting above-mentioned technical scheme, the mode that the sliding sleeve cover was established for the connection of hard pipe section and slide rail is more firm, and hard pipe section is difficult to drop on the slide rail.

Preferably, the upper air pipe is connected with a filter.

By adopting the technical scheme, the filter purifies gas.

Preferably, the upper air pipe and the lower air pipe are both provided with a pressure sensor and a temperature sensor.

By adopting the technical scheme, the pressure sensor and the temperature sensor are used for detecting the temperature data and the pressure data of the inlet end and the outlet end of the pressure reducing valve, so that a computer can conveniently acquire, analyze and tabulate the data.

Preferably, the air source is provided with a booster pump.

Through adopting above-mentioned technical scheme, the booster pump can satisfy different relief pressure valves to the requirement of admission pressure to gaseous pressure boost.

Preferably, the number of the slide rails is 2, and the 2 slide rails are arranged in parallel.

Through adopting above-mentioned technical scheme, two parallel arrangement's slide rail for the more steady slip of hard tube section can be.

Preferably, the length of the hose is 20-30 cm.

By adopting the technical scheme, the length of the hose is not suitable to be too long, otherwise the hose is easy to move under high-pressure gas.

Preferably, the air source is provided with a pressure gauge.

Through adopting above-mentioned technical scheme, the manometer shows the atmospheric pressure of last trachea and trachea down.

Preferably, the sliding rail is provided with a friction line contacted with the screw.

Through adopting above-mentioned technical scheme, the friction line increases for the resistance when the screw contradicts for the hard tube section can be more stable fix on the slide rail.

To sum up, the utility model discloses following beneficial effect has: in the design, the system is designed based on VS + SQL Server; the purpose is for relief pressure valve test system can realize following function: the control system sends out a control instruction, the instruction is converted into an instruction which can be identified by the acquisition system through a serial port conversion module of the communication system, the data acquisition module finishes acquisition of temperature, humidity, pressure and mass flow signals according to the control instruction and sends the signals to the Ethernet, and the control system captures the data sent to the Ethernet by the acquisition system, analyzes and processes the signals and completes a series of functions through conversion of the communication system.

Drawings

FIG. 1 is a system architecture diagram of a VS + SQL Server pressure relief valve test system;

FIG. 2 is a system schematic of an embodiment;

FIG. 3 is a schematic view showing the connection of upper and lower gas pipes and a pressure reducing valve in the embodiment;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure:

1. a pressure reducing valve; 21. an upper trachea; 22. a lower trachea;

31. a hose; 32. a hard pipe section; 33. connecting the pipe orifices;

4. a slide rail; 41. rubbing the grains; 5. a sliding sleeve; 6. a screw;

7. a gas source; 81. a booster pump; 82. a stop valve; 83. a filter; 84. a pressure sensor; 85. a temperature sensor; 86. a pressure gauge; 9. and (5) clamping a hoop.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A pressure reducing valve testing system based on VS + SQL Server refers to fig. 1-4 and comprises an upper air pipe 21 and a lower air pipe 22 which are used for being connected to two ends of a pressure reducing valve 1, wherein the upper air pipe 21 and the lower air pipe 22 are both hard pipes, the upper air pipe 21 is communicated with an air source 7, and the air source 7 is a high-pressure nitrogen tank. The upper air pipe 21 is provided with a stop valve 82;

the adjacent ends of the upper air pipe 21 and the lower air pipe 22 are respectively provided with a hose 31, the two hoses 31 are respectively hot-melted on the upper air pipe 21 and the lower air pipe 22, and are further fastened through a hoop 9 at the hot-melted interface; the length of the hose 31 is 20-30cm, and 22cm is adopted in the embodiment.

The end part of the hose 31 is provided with a connecting hard pipe section 32, the connection of the hose 31 and the hard pipe section 32 is also reinforced and fastened by a clamp 9 after hot melting connection, and the hose 31 is communicated with the hard pipe section 32.

The hard pipe section 32 is in threaded connection with a connecting pipe orifice 33, and a rubber ring for sealing is arranged at the joint of the connecting pipe orifice 33 and the hard pipe section 32; the connection nozzle 33 may be a flange interface, and the connection nozzle 33 is connected to an end of the pressure reducing valve 1 such that the upper air pipe 21, the lower air pipe 22, and the pressure reducing valve 1 can be communicated with each other.

Go up trachea 21 and the fixed slide rail 4 of outer wall of trachea 22 down, slide rail 4 is the cylinder pole, and slide rail 4 has two, two slide rail 4 parallel arrangement. The slide rails 4 on both sides are respectively welded on the outer walls of the upper air pipe 21 and the lower air pipe 22.

The hard pipe section 32 slides on the slide rail 4, and the hard pipe section 32 is fixed on the slide rail 4 by the screw 6. The hard pipe section 32 is fixed with a sliding sleeve 5, and the sliding sleeve 5 is sleeved on the sliding rail 4, so that the hard pipe section 32 can move on the sliding rail 4.

The screw 6 is in threaded connection with the hard pipe section 32, one end part of the screw 6 is abutted against the sliding rail 4, and the sliding rail 4 is provided with a friction line 41 which is in contact with the screw 6.

The working principle is as follows: the pressure reducing valve 1 can be detected by moving the hard pipe section 32 on the slide rail 4, moving the hard pipe section to a proper position, and screwing the screw 6, so that the hard pipe section 32 and the slide rail 4 are fixed, and at the moment, the pressure reducing valve 1 is matched and connected with the connecting pipe orifice 33.

The upper gas pipe 21 is connected to a filter 83 for purifying the gas. The upper air pipe 21 and the lower air pipe 22 are each provided with a pressure sensor 84, a temperature sensor 85 and a pressure gauge 86. The gas source 7 is provided with a booster pump 81 for increasing the gas in the upper gas pipe 21. The gas flow in lower gas tube 22 may be treated for discharge or recovery,

it is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a based on VS + SQL Sever relief pressure valve test system, is including last trachea (21) and lower trachea (22) that are used for connecting at relief pressure valve (1) both ends, goes up trachea (21) and trachea (22) down and is the hard tube, goes up trachea (21) intercommunication and has air supply (7), and goes up trachea (21) and install stop valve (82), characterized by: the adjacent ends of the upper air pipe (21) and the lower air pipe (22) are respectively provided with a hose (31), the end part of the hose (31) is provided with a hard pipe section (32), and the hard pipe section (32) is detachably connected with a connecting pipe orifice (33);

the outer walls of the upper air pipe (21) and the lower air pipe (22) are fixed with slide rails (4), the hard pipe sections (32) slide on the slide rails (4), and the hard pipe sections (32) are fixed on the slide rails (4) through screws (6).

2. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the connecting pipe orifice (33) is screwed on the hard pipe section (32).

3. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the hard pipe section (32) is fixed with a sliding sleeve (5), the sliding sleeve (5) is sleeved on the sliding rail (4), the screw (6) is in threaded connection with the hard pipe section (32), and one end of the screw (6) abuts against the sliding rail (4).

4. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the upper air pipe (21) is connected with a filter (83).

5. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the upper air pipe (21) and the lower air pipe (22) are both provided with a pressure sensor (84) and a temperature sensor (85).

6. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the air source (7) is provided with a booster pump (81).

7. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the number of the slide rails (4) is 2, and the 2 slide rails are arranged in parallel.

8. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the length of the hose (31) is 20-30 cm.

9. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the upper air pipe (21) and the lower air pipe (22) are both provided with pressure gauges (86).

10. The VS + SQL server-based pressure relief valve testing system of claim 1, wherein: the sliding rail (4) is provided with friction lines (41) which are in contact with the screws (6).

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