CN220819348U - Medium-pressure tube air tightness tester - Google Patents
Medium-pressure tube air tightness tester Download PDFInfo
- Publication number
- CN220819348U CN220819348U CN202322608684.0U CN202322608684U CN220819348U CN 220819348 U CN220819348 U CN 220819348U CN 202322608684 U CN202322608684 U CN 202322608684U CN 220819348 U CN220819348 U CN 220819348U
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- pipeline
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- 238000012360 testing method Methods 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a medium-pressure pipe air tightness tester, and belongs to the technical field of pipeline air tightness detection. The pressure switch, the middle-pressure pipe quick socket, the power switch, the manual stop button switch, the start button switch, the pressure increasing indicator lamp, the power indicator lamp and the pressure maintaining indicator lamp are arranged on the shell. A switching power supply connected with a power switch is arranged in the shell, and converts 220V voltage into 24V voltage to supply power to electric equipment of the device. The shell is also provided with a pipeline, an air pump, a normally closed cut-off electromagnetic valve, an exhaust normally closed electromagnetic valve, a first relay, a third relay, a second time relay and a time relay which are connected with other switches, an indicator light and a medium-voltage pipe quick socket. The utility model has the advantages of simple structure, reasonable design and convenient operation, can reduce the workload of staff, reduce the labor intensity, improve the testing efficiency and has stronger practicability.
Description
Technical Field
The utility model relates to a medium-pressure pipe air tightness tester, and belongs to the technical field of pipeline air tightness detection.
Background
In order to ensure the use safety of the medium-pressure pipeline, the medium-pressure pipeline is usually subjected to an air tightness test before being used. At present, a test device for a medium-pressure pipe is not fixed, a tester is required to connect equipment such as a hose, a U-shaped pressure gauge and the like with the medium-pressure pipe to complete the test, the test process is complex, time and labor are wasted, the workload of the worker is high, the test efficiency is low, and therefore, the tester for the medium-pressure pipe is provided for the problem.
Disclosure of utility model
According to the defects in the prior art, the utility model aims to solve the problems that: the medium-pressure tube airtight tester has the advantages of simple structure, reasonable design and convenient operation, and can reduce the workload of testers, reduce the labor intensity and improve the testing efficiency.
The technical scheme adopted for solving the technical problems is as follows:
The medium pressure pipe airtight tester comprises a shell, a pressure switch and a medium pressure pipe quick socket are arranged on the shell, the pressure switch is connected with a first pipeline in the shell, the first pipeline is connected with an air pump, a normally closed stop electromagnetic valve is arranged on the first pipeline between the pressure switch and the air pump, the medium pressure pipe quick socket is connected with a second pipeline in the shell, an exhaust normally closed electromagnetic valve is arranged on the second pipeline, and the second pipeline is communicated with the first pipeline through a third pipeline;
Be provided with switch, manual stop button switch and start button switch on the casing, manual stop button switch and start button switch establish ties and set up, switch power supply in the inside switch power supply of switch connection casing provides 24V power for equipment, start button switch connects first relay, normally closed solenoid valve and the air pump of setting on first pipeline are connected to first relay, pressure switch on the first pipeline connects the third relay, first relay and second relay are connected to the third relay, the time relay is connected to the second relay, the exhaust normally closed solenoid valve is connected to the time relay.
The medium-pressure tube airtight tester is reasonable in structural design, integrates electrical components and pipelines in the shell, can be conveniently carried and used, can rapidly complete detection of the medium-pressure tube through cooperation of the components, improves testing efficiency, reduces workload and labor intensity of testers, and has strong practicability.
Further preferably, the casing on be provided with boost pilot lamp, power pilot lamp and pressurize pilot lamp, first relay is connected to the boost pilot lamp, power pilot lamp connection switching power supply, the time relay is connected to the pressurize pilot lamp, the operation condition of each process of convenient observation and monitoring improves the security that equipment used.
Further preferably, a check valve is arranged on the first pipeline between the air pump and the normally closed cut-off electromagnetic valve, so that the air backflow is avoided.
The utility model has the beneficial effects that:
The medium-pressure pipe airtight tester disclosed by the utility model has the advantages that the relay, the air pump, the switch, the connecting pipeline and the circuit thereof and the like are integrally installed, the structure is simple and reasonable, the carrying is convenient, the medium-pressure pipe is only required to be inserted into the medium-pressure pipe quick socket during testing, the operation is convenient, the workload and the labor intensity of a tester are reduced, the testing efficiency of the medium-pressure pipe is improved, and the practicability is higher.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the internal plumbing connections of the present utility model;
FIG. 3 is a schematic circuit diagram of the present utility model;
In the figure, 1, a shell; 2. a pressure switch; 3. a power indicator light; 4. a boost indicator light; 5. a start button switch; 6. a power switch; 7. a middle pressure pipe quick socket; 8. manually stopping the push button switch; 9. pressure maintaining indicator lamp; 10. an air pump; 11. a one-way valve; 12. a normally closed shut-off solenoid valve; 13. a first pipeline; 14. a third pipeline; 15. an exhaust normally closed solenoid valve; 16. a second pipeline; 17. a switching power supply; 18. a first relay; 19. a third relay; 20. a time relay; 21. and a second relay.
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings:
As shown in fig. 1-3, the medium pressure pipe airtight tester comprises a shell 1, wherein a pressure switch 2 and a medium pressure pipe quick socket 7 are arranged on the shell 1, the pressure switch 2 is connected with a first pipeline 13 in the shell 1, the first pipeline 13 is connected with an air pump 10, a normally closed stop electromagnetic valve 12 is arranged on the first pipeline 13 between the pressure switch 2 and the air pump 10, a one-way valve 11 is arranged on the first pipeline 13 between the air pump 10 and the normally closed stop electromagnetic valve 12, the medium pressure pipe quick socket 7 is connected with a second pipeline 16 in the shell 1, an exhaust normally closed electromagnetic valve 15 is arranged on the second pipeline 16, and the second pipeline 16 and the first pipeline 13 are communicated through a third pipeline 14;
Be provided with switch 6, manual stop button switch 8 and start button switch 5 on the casing 1, manual stop button switch 8 and start button switch 5 establish ties and set up, switch power supply 17 inside switch 6 connection casing 1, start button switch 5 connects first relay 18, normally closed solenoid valve 12 and air pump 10 that set up on first pipeline 13 are connected to first relay 18, pressure switch 2 on the first pipeline 13 connects third relay 19, first relay 18 and second relay 21 are connected to third relay 19, time relay 20 is connected to second relay 21, exhaust normally closed solenoid valve 15 is connected to time relay 20. The input end of the switch power supply 17 is connected with the power switch 6, the power switch 6 is connected with a 220V power supply, the output end of the switch power supply 17 is connected with the first relay 18, the air pump 10, the normally closed cut-off electromagnetic valve 12, the pressure switch 2, the third relay 19, the second relay 21, the time relay 20, the exhaust normally closed electromagnetic valve 15, the manual stop button switch 8 and the start button switch 5 in the shell 1, and 24V power supply is provided for electric equipment.
The shell 1 on be provided with boost pilot lamp 4, power pilot lamp 3 and pressurize pilot lamp 9, first relay 18 is connected to boost pilot lamp 4, switch power supply 17 is connected to power pilot lamp 3, time relay 20 is connected to pressurize pilot lamp 9. The pressurizing indicator lamp 4, the power indicator lamp 3 and the pressure maintaining indicator lamp 9 are connected with the switch power supply 17, and 24V power is provided through the switch power supply 17.
The working principle and the using process of the utility model are as follows:
When the power supply is used, the medium-voltage pipe is connected with the medium-voltage pipe quick socket 7, the power supply switch 6 is turned on, and after the power supply switch 6 is turned on, the power supply indicator lamp 3 is on, so that the power supply indicates that the equipment is electrified and can normally operate. When the start button switch 5 is pressed, the first relay 18 is electrified and keeps the contact closed state, at the moment, the air pump 10 starts to work, the normally closed cut-off electromagnetic valve 12 is conducted, meanwhile, the pressurizing indicator lamp 4 is on, and in the normal pressurizing process of the medium-voltage pipe, gas enters the medium-voltage pipe through the first pipeline 13, the one-way valve 11, the normally closed cut-off electromagnetic valve 12, the third pipeline 14 and the medium-voltage pipe quick socket 7, and the medium-voltage pipe is tested. When the pressure in the pipeline reaches a set value, the pressure switch 2 acts, the pressure switch 2 outputs a switch signal to the third relay 19, the third relay 19 acts to control the first relay 18 to be disconnected, the air pump 10 stops working, the normally closed cut-off electromagnetic valve 12 is closed, and the supercharging indicator lamp 4 is turned off. Meanwhile, the third relay 19 controls the second relay 21 to act, the second relay 21 is powered on and keeps the contact closed state, at the moment, the time relay 20 is powered on, countdown is started according to time setting, meanwhile, the pressure maintaining indicator lamp 9 is on, the pipeline enters the pressure maintaining state, after the specified time is reached, the time relay 20 acts, the exhaust normally closed electromagnetic valve 15 is controlled to be opened, gas in the pipeline is discharged, the pressure maintaining indicator lamp 9 is turned off, medium-voltage pipeline testing is completed, then the manual stop button switch 8 is pressed, the circuit is powered off, the exhaust normally closed electromagnetic valve 15 is closed, the equipment stops working, and finally the power switch 6 is closed. In the test process, if the test is to be interrupted, the manual stop button switch 8 can be directly pressed to stop the equipment.
The utility model discloses simple structure, reasonable in design, convenient operation can reduce staff's work load, reduces intensity of labour, improves efficiency of software testing, has stronger practicality.
The present utility model is not limited to the above-described embodiments, and variations, modifications, additions, or substitutions within the spirit and scope of the present utility model will be within the scope of the present utility model by those of ordinary skill in the art.
Claims (3)
1. The utility model provides a well pressure pipe airtight tester which characterized in that: the device comprises a shell (1), wherein a pressure switch (2) and a middle pressure pipe quick socket (7) are arranged on the shell (1), the pressure switch (2) is connected with a first pipeline (13) in the shell (1), the first pipeline (13) is connected with an air pump (10), a normally closed stop electromagnetic valve (12) is arranged on the first pipeline (13) between the pressure switch (2) and the air pump (10), the middle pressure pipe quick socket (7) is connected with a second pipeline (16) in the shell (1), an exhaust normally closed electromagnetic valve (15) is arranged on the second pipeline (16), and the second pipeline (16) is communicated with the first pipeline (13) through a third pipeline (14);
Be provided with switch (6), manual stop button switch (8) and start button switch (5) on casing (1), manual stop button switch (8) and start button switch (5) establish ties and set up, switch power (17) inside switch power (17) of casing (1) are connected to switch power (6), switch power (17) provide 24V power for equipment, start button switch (5) connect first relay (18), normally closed solenoid valve (12) and air pump (10) that set up on first pipeline (13) are connected to first relay (18), third relay (19) are connected in pressure switch (2) on first pipeline (13), first relay (18) and second relay (21) are connected to third relay (19), time relay (20) are connected, exhaust normally closed solenoid valve (15) are connected to time relay (20).
2. The medium pressure tube air tightness tester according to claim 1, wherein: the casing (1) on be provided with boost pilot lamp (4), power pilot lamp (3) and pressurize pilot lamp (9), first relay (18) is connected to boost pilot lamp (4), switch power supply (17) is connected to power pilot lamp (3), time relay (20) is connected to pressurize pilot lamp (9).
3. The medium pressure tube air tightness tester according to claim 1, wherein: a one-way valve (11) is arranged on a first pipeline (13) between the air pump (10) and the normally-closed stop electromagnetic valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322608684.0U CN220819348U (en) | 2023-09-25 | 2023-09-25 | Medium-pressure tube air tightness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322608684.0U CN220819348U (en) | 2023-09-25 | 2023-09-25 | Medium-pressure tube air tightness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819348U true CN220819348U (en) | 2024-04-19 |
Family
ID=90712565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322608684.0U Active CN220819348U (en) | 2023-09-25 | 2023-09-25 | Medium-pressure tube air tightness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220819348U (en) |
-
2023
- 2023-09-25 CN CN202322608684.0U patent/CN220819348U/en active Active
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