CN216559120U - Gas terminal pressure drop tester - Google Patents
Gas terminal pressure drop tester Download PDFInfo
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- CN216559120U CN216559120U CN202122995802.9U CN202122995802U CN216559120U CN 216559120 U CN216559120 U CN 216559120U CN 202122995802 U CN202122995802 U CN 202122995802U CN 216559120 U CN216559120 U CN 216559120U
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- gas terminal
- air inlet
- pressure gauge
- gas
- inlet pressure
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Abstract
The utility model discloses a gas terminal pressure drop tester, which belongs to the field of gas pressure drop testers and comprises a test base, wherein one side of the top end surface of the test base is fixedly connected with an outer box, one side of the inner bottom end of the outer box is fixedly connected with an air inlet pressure regulating valve, one side of the air inlet pressure regulating valve is provided with an air inlet pressure gauge, an air outlet pressure gauge is positioned right above the air inlet pressure gauge, and the air inlet pressure regulating valve is communicated with the air inlet pressure gauge; the gas terminal air inlet connecting pipe is fixedly connected to the bottom end of one side face of the outer box, the testing gas terminal is fixedly connected to one end of the gas terminal air inlet connecting pipe, the other end of the gas terminal air inlet connecting pipe is connected with an air inlet pressure regulating valve, a gas terminal air outlet connecting pipe is arranged between the testing gas terminal and the air outlet pressure gauge and communicated with the air outlet pressure gauge, and a flow probe communicated with the air outlet pressure gauge is arranged on one side of the air outlet pressure gauge. The utility model adopts an integrated case structure, is convenient to operate and has clear and accurate display of various test values.
Description
Technical Field
The utility model relates to a pressure drop tester, in particular to a gas terminal pressure drop tester.
Background
The gas terminal is a node in the gas transmission system, and a tiny error at the node can bring irretrievable bitter effects to the whole gas transmission system, so that before the gas terminal is installed on the gas transmission system, a worker needs to provide a flow value for the gas terminal for detection, and a pressure drop test is adopted as a commonly used detection mode at present.
The pressure drop tester can calculate whether the flow characteristic of the gas terminal meets the standard or not by comparing the gas pressure entering the gas terminal with the gas pressure derived from the gas terminal, and if the flow characteristic meets the standard, the gas terminal can be connected to a gas transmission system, otherwise, the gas terminal cannot be connected to the gas transmission system.
The prior art has the following problems: 1. the pressure drop tester has a complex structure, and the components are dispersed and are inconvenient to install. Accordingly, those skilled in the art have provided a gas terminal pressure drop tester to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gas terminal pressure drop tester, which can simplify the structure of the pressure drop tester and is convenient to use by integrating a series of composition structures on an integrated box body, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the gas terminal pressure drop tester comprises a testing base, wherein one side of the top end face of the testing base is fixedly connected with an outer box, one side of the inner bottom end of the outer box is fixedly connected with a gas inlet pressure regulating valve, one side of the gas inlet pressure regulating valve is provided with a gas inlet pressure gauge, a gas outlet pressure gauge on a panel of the outer box is positioned right above the gas inlet pressure gauge, and the gas inlet pressure regulating valve is communicated with the gas inlet pressure gauge; the gas terminal of a side bottom fixedly connected with of outer container takes over that admits air, and the one end fixedly connected with test gas terminal that gas terminal admits air and takes over, the air-vent valve that admits air is connected to the other end that gas terminal admits air and takes over, it gives vent to anger to take over the intercommunication to be equipped with gas terminal between test gas terminal and the pressure gauge that admits air, and one side of the pressure gauge that admits air is equipped with the flow probe rather than the intercommunication, the top of flow probe is equipped with the flow control valve rather than the intercommunication, and the top of flow control valve is equipped with the flow display screen who is connected with flow probe.
The integrated case structure is adopted, the operation is convenient, and various test values are displayed clearly and accurately.
As a further scheme of the utility model: the top end of the test gas terminal is fixedly connected with a gas terminal gas outlet joint, and the gas terminal gas outlet joint is connected with one end of a gas terminal gas outlet connecting pipe.
The gas terminal gas outlet joint is arranged to facilitate quick connection of the test gas terminal and the gas terminal gas outlet connecting pipe.
As a still further scheme of the utility model: the air inlet pressure regulating valve is connected with an external compressed air source, and the pressure of the compressed air source is less than or equal to 1.0 MPa.
When the external compressed air source enters the air inlet pressure regulating valve, the air inlet pressure regulating valve can be regulated through the air inlet pressure regulating valve.
As a still further scheme of the utility model: and the corner position of the bottom end surface of the test base is fixedly connected with a supporting leg.
The setting of stabilizer blade avoids the direct and ground contact of test base to wet.
As a still further scheme of the utility model: the back of the outer box is provided with a plurality of heat dissipation holes.
The arrangement of the heat dissipation holes improves the heat dissipation speed of the outer box.
As a still further scheme of the utility model: still include switching power supply, switching power supply fixes the inside of outer box, the rear side of pressure gauge admits air.
The switch power supply can supply power for the air outlet pressure gauge, the air inlet pressure gauge and the flow meter (comprising a flow probe and a display screen).
Compared with the prior art, the utility model has the beneficial effects that:
the tester is different from other testing equipment in the structure that a bulk pressure gauge, a flowmeter, a pressure adjusting valve and a flow valve are arranged on a test bench, and the tester does not need to be calibrated before testing. 1. By adopting an integrated case structure, the structure of the pressure drop tester can be simplified, the operation is convenient, various test values are displayed clearly and accurately, the test result is accurate, and the precision completely meets the test requirement; 2. the gas terminal is provided with various system terminal connectors and is adapted to most of the system gas terminals in China at present.
Drawings
FIG. 1 is a schematic diagram of a gas terminal pressure drop tester.
In the figure: 1. a flow display screen; 2. an air outlet pressure gauge; 3. an outer box; 4. a switching power supply; 5. an intake pressure gauge; 6. a flow regulating valve; 7. a flow probe; 8. a gas terminal gas outlet connecting pipe; 9. a gas terminal gas inlet connecting pipe; 10. a gas terminal gas outlet joint; 11. testing the base; 12. testing the gas terminal; 13. an air inlet pressure regulating valve.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, the gas terminal pressure drop tester includes a testing base 11, an outer case 3 is fixedly connected to one side of a top end surface of the testing base 11, an air inlet pressure regulating valve 13 is fixedly connected to one side of an inner bottom end of the outer case 3, an air outlet pressure gauge 2 and an air inlet pressure gauge 5 are arranged on one side of the air inlet pressure regulating valve 13, the air outlet pressure gauge 2 is located right above the air inlet pressure gauge 5, and the air inlet pressure regulating valve 13 is communicated with the air outlet pressure gauge 2; a side bottom fixedly connected with gas terminal of outer container 3 admits air and takes over 9, and the one end fixedly connected with test gas terminal 12 of gas terminal admit air takeover 9, the air-vent valve 13 that admits air is connected to the other end that gas terminal admits air and takes over 9, test gas terminal 12 and admit air and be equipped with the gas terminal between the pressure gauge 5 and give vent to anger and take over 8 intercommunication, and the one side of the pressure gauge 5 that admits air is equipped with flow probe 7 rather than the intercommunication, flow probe 7's top is equipped with the flow control valve 6 rather than the intercommunication, and flow control valve 6's top is equipped with the flow display screen 1 of being connected with flow probe 7. The integrated case structure is adopted, the operation is convenient, and various test values are displayed clearly and accurately.
In this embodiment: the top end of the test gas terminal 12 is fixedly connected with a gas terminal gas outlet joint 10, and the gas terminal gas outlet joint 10 is connected with one end of the gas terminal gas outlet connecting pipe 8. The provision of the gas terminal outlet fitting 10 facilitates quick connection of the test gas terminal 12 to the gas terminal outlet stub 8.
In this embodiment: the air inlet pressure regulating valve 13 is connected with an external compressed air source, and the pressure of the compressed air source is less than or equal to 1.0 MPa. The external compressed air source can be adjusted by the air inlet pressure regulating valve 13 when entering the air inlet pressure regulating valve 13.
In this embodiment: the corner position of the bottom end surface of the test base 11 is fixedly connected with a support leg. The arrangement of the supporting feet prevents the testing base 11 from being directly contacted with the ground and being affected with damp.
In this embodiment: a plurality of heat dissipation holes are formed in one side surface of the outer box 3 and below the flow display screen 1. The arrangement of the heat dissipation holes improves the heat dissipation speed of the outer box 3.
In this embodiment: the air conditioner further comprises a switching power supply 4, wherein the switching power supply 4 is fixed in the outer box 3 and on one side of the air inlet pressure gauge 5. The switch power supply 4 can supply power for the air outlet pressure gauge 2, the air inlet pressure gauge 5 and the flow display screen 1.
The working principle of the utility model is as follows: when the gas terminal pressure drop tester is used, firstly, the tester is connected with a gas source, then compressed air enters the air inlet pressure regulating valve 13, and then the compressed air is divided into two paths, wherein one path is connected with the air inlet pressure gauge 5 to display an air inlet pressure value; the other path is connected with a gas terminal gas inlet connecting pipe 9 and then is connected with a test gas terminal 12, the gas is discharged from the test gas terminal 12 and then is connected with a gas terminal gas outlet joint 10 and a gas terminal gas outlet connecting pipe 8, and then is connected with a gas outlet pressure gauge 2 and then enters a flow probe 7 to display a flow value through a flow display screen 1. When in operation, the air inlet switch is firstly opened, the flow regulating valve 6 is in a closed state, and then the air inlet pressure regulating valve 13 is regulated to a test pressure value (according to the indication value of the air inlet pressure gauge 5); and then the flow regulating valve 6 is slowly opened anticlockwise to regulate to the flow value required by the test (according to the flow value displayed by 1). In the embodiment, three levels of flow values 40L/m or 200L/m/700L/m required by the test are set, the difference value between the outlet pressure gauge 2 and the inlet pressure gauge 5 is observed and compared to be the pressure drop of the test gas terminal 12, the difference value is obtained and then compared according to the standard specification, if the difference value is in the standard range, the design flow of the test gas terminal 12 is up to the standard, otherwise, the difference value is out of compliance. In the present embodiment, the model of the outlet pressure gauge 2 and the inlet pressure gauge 5 is MPM 5121. The model of the switching power supply 4 is NES75-24, and the model of the flow display screen 1 is MF 5212.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The gas terminal pressure drop tester is characterized by comprising a test base, wherein one side of the top end surface of the test base is fixedly connected with an outer box, one side of the inner bottom end of the outer box is fixedly provided with an air inlet pressure regulating valve, one side of the air inlet pressure regulating valve is provided with an air inlet pressure gauge, an air outlet pressure gauge on a panel of the outer box is positioned right above the air inlet pressure gauge, and the air inlet pressure regulating valve is communicated with the air inlet pressure gauge;
the gas terminal of a side bottom fixedly connected with of outer container takes over that admits air, and the one end fixedly connected with test gas terminal that gas terminal admits air and takes over, the air-vent valve that admits air is connected to the other end that gas terminal admits air and takes over, test gas terminal and give vent to anger and be equipped with the gas terminal between the pressure gauge and give vent to anger and take over the intercommunication, and one side of the pressure gauge of giving vent to anger is equipped with the flow probe rather than the intercommunication, the top of flow probe is equipped with the flow control valve rather than the intercommunication, and the top of flow control valve is equipped with the flow display screen who is connected with flow probe.
2. A gas terminal pressure drop tester as recited in claim 1, wherein a gas terminal outlet fitting is fixedly connected to the top end of the test gas terminal, and the gas terminal outlet fitting is connected to one end of the gas terminal outlet connection tube.
3. The gas terminal pressure drop tester of claim 1, wherein the inlet pressure regulating valve is connected to an external compressed air source, and the pressure of the compressed air source is less than or equal to 1.0 MPa.
4. A gas terminal pressure drop tester as recited in claim 1, wherein the test base has four corners at the bottom surface thereof provided with fixing legs.
5. The gas terminal pressure drop tester of claim 1, wherein the back of the outer box is provided with a plurality of heat dissipation holes.
6. The gas terminal pressure drop tester of claim 1, further comprising a switching power supply fixed inside the outer box, behind the inlet pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122995802.9U CN216559120U (en) | 2021-12-01 | 2021-12-01 | Gas terminal pressure drop tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122995802.9U CN216559120U (en) | 2021-12-01 | 2021-12-01 | Gas terminal pressure drop tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216559120U true CN216559120U (en) | 2022-05-17 |
Family
ID=81578873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122995802.9U Active CN216559120U (en) | 2021-12-01 | 2021-12-01 | Gas terminal pressure drop tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216559120U (en) |
-
2021
- 2021-12-01 CN CN202122995802.9U patent/CN216559120U/en active Active
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