CN220120527U - Film test device for explosion-proof performance - Google Patents
Film test device for explosion-proof performance Download PDFInfo
- Publication number
- CN220120527U CN220120527U CN202321453850.8U CN202321453850U CN220120527U CN 220120527 U CN220120527 U CN 220120527U CN 202321453850 U CN202321453850 U CN 202321453850U CN 220120527 U CN220120527 U CN 220120527U
- Authority
- CN
- China
- Prior art keywords
- film
- sample
- explosion
- pipeline
- test device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000004880 explosion Methods 0.000 claims abstract description 14
- 239000010408 film Substances 0.000 claims description 84
- 239000007789 gas Substances 0.000 claims description 47
- 230000002000 scavenging effect Effects 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims 2
- 238000002955 isolation Methods 0.000 abstract description 6
- 238000011056 performance test Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- -1 carbon hydrogen Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of explosion isolation tests, in particular to a film test device for explosion isolation performance, which comprises a film device, wherein a sample is arranged in the film device; the air distribution unit is connected with the film device, and a first pressure transmitter is arranged between the air distribution unit and the film device; and the exhaust unit is connected with the film device, and a second pressure transmitter is arranged between the exhaust unit and the film device. According to the film test device for the explosion-proof performance, disclosed by the utility model, the sample is placed in the film device, the explosion-proof test is carried out through the film device, a heavy explosion test groove (tank) is not needed, the carrying is convenient, the size of the sample is not limited, meanwhile, the accurate control of the system pressure is realized through the first pressure transmitter and the second pressure transmitter, and the explosion-proof performance test efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of explosion isolation tests, in particular to a film test device for explosion isolation performance.
Background
The flameproof performance test (reference pressure measurement, pressure test, internal ignition non-propagation test) of flameproof products is one of the main tests specified in GB/T3836.2-2021, and each flameproof product needs to be subjected to relevant tests in the type test.
At present, related detection centers are all provided with explosion test tanks (tanks) and control systems thereof for carrying out explosion-proof performance tests. In recent years, with the development of explosion-proof electrical equipment, ultra-large explosion-proof equipment is continuously emerging, the volume of an explosion-proof test tank (tank) is fixed, and the explosion-proof equipment at the part often cannot be placed in the explosion-proof test tank (tank) due to the overlarge volume, so that the test cannot be carried out. In addition, the existing exhaust link only has normal pressure exhaust, no overpressure exhaust and no negative pressure exhaust, and the test efficiency is low.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the technical problems in the prior art, the utility model provides a film test device for explosion-proof performance.
The technical scheme adopted for solving the technical problems is as follows: the film test device for the explosion-proof performance comprises a film device, wherein a sample is arranged in the film device; the air distribution unit is connected with the film device, and a first pressure transmitter is arranged between the air distribution unit and the film device; and the exhaust unit is connected with the film device, and a second pressure transmitter is arranged between the exhaust unit and the film device.
According to the film test device for the explosion-proof performance, disclosed by the utility model, the sample is placed in the film device, the explosion-proof test is carried out through the film device, a heavy explosion test groove (tank) is not needed, the carrying is convenient, the size of the sample is not limited, meanwhile, the accurate control of the system pressure is realized through the first pressure transmitter and the second pressure transmitter, and the explosion-proof performance test efficiency is improved.
Further, the air distribution unit is connected with a film air inlet pipe and a sample air inlet pipe, the film air inlet pipe is connected with the film device, and the sample air inlet pipe is connected with the sample; the exhaust unit is connected with a film exhaust pipe and a sample exhaust pipe, the film exhaust pipe is connected with a film device, and the sample exhaust pipe is connected with a sample.
Further, fire arresters are arranged on the film air inlet pipe, the sample air inlet pipe, the film air outlet pipe and the sample air outlet pipe.
Further, control valves are arranged on the film air inlet pipe, the sample air inlet pipe, the film air outlet pipe and the sample air outlet pipe.
Further, the explosion-proof performance film test device further comprises an analysis unit, and the analysis unit is connected with the exhaust unit.
Further, an air oxygen measuring valve is connected to the air distribution unit.
Further, the analysis unit comprises an analysis pipeline, and an analyzer and a sampling valve are arranged on the analysis pipeline.
Further, the gas distribution unit comprises a gas mixer and a gas inlet pipeline, wherein a plurality of gas inlet pipelines are arranged and are connected with the gas mixer.
Further, each air inlet pipeline is provided with an electromagnetic valve, a pressure reducing and stabilizing valve and a mass flow controller.
Further, the exhaust unit comprises an overpressure pipeline, a normal pressure pipeline and a negative pressure pipeline which are connected in parallel, wherein the overpressure pipeline is provided with an overpressure scavenging valve and an overpressure valve, the normal pressure pipeline is provided with a normal pressure scavenging valve, and the negative pressure pipeline is provided with a negative pressure scavenging valve and a negative pressure pump.
The utility model has the advantages that,
1. the sample is placed in the film device, explosion isolation is carried out through the film device, a heavy explosion test groove or a test tank is not needed, the sample is convenient to carry, the size of the sample is not limited, meanwhile, the accurate control of the system pressure is realized through the first pressure transmitter and the second pressure transmitter, and the explosion isolation performance test efficiency is improved;
2. through second pressure transmitter, excessive pressure pipeline, ordinary pressure pipeline and negative pressure pipeline, can be in real time according to the gas pressure in the sample and the film device in change the exhaust mode, and then promote the exhaust rate of film device and sample by a wide margin.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram showing the overall structure of a film test apparatus for flame-proof performance according to the present utility model.
In the figure, 1, a film device; 11. a film; 12. a sample tray; 13. a sample; 2. a gas distribution unit; 21. an air intake line; 22. an electromagnetic valve; 23. a pressure reducing and stabilizing valve; 24. a mass flow controller; 25. a gas mixer; 3. an exhaust unit; 31. an overpressure pipeline; 311. an overpressure scavenging valve; 312. an overpressure valve; 32. a normal pressure pipeline; 321. a normal pressure scavenging valve; 33. a negative pressure pipeline; 331. a negative pressure scavenging valve; 332. a negative pressure pump; 34. a film air inlet pipe; 35. a sample air inlet pipe; 351. a flame arrester; 352. a control valve; 36. a thin film exhaust pipe; 37. a sample exhaust pipe; 4. an analysis unit; 41. analyzing the pipeline; 42. an analyzer; 43. a sampling valve; 44. an air oxygen measuring valve; 5. a control unit; 6. a first pressure transmitter; 7. a second pressure transmitter.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
The utility model discloses a film test device for explosion-proof performance.
Referring to fig. 1, a film test device for explosion-proof performance comprises a film device 1, a gas distribution unit 2, an exhaust unit 3, an analysis unit 4 and a control unit 5, wherein a sample 13 is arranged in the film device 1. The gas distribution unit 2 is connected with the film device 1, a first pressure transmitter 6 is arranged between the gas distribution unit 2 and the film device 1, the exhaust unit 3 is connected with the film device 1, and a second pressure transmitter 7 is arranged between the exhaust unit 3 and the film device 1. The analysis unit 4 is connected to the exhaust unit 3 to facilitate detection of the gas exhausted from the sample and the thin film device 1. The gas distribution unit 2, the gas discharge unit 3 and the analysis unit 4 are controlled by a control unit 5.
During the test, place sample 13 in film device 1, carry out the flame proof through film device 1, do not have heavy explosion test groove (jar), be convenient for transport and sample size unrestricted, realize the accurate control to system pressure through first pressure transmitter 6 and second pressure transmitter 7 simultaneously, promote flame proof performance test efficiency.
The film device 1 comprises a sample tray 12 and a film 11, wherein the film 11 can be made of flexible materials such as PVC, the tray is convenient to be connected with cables and pipelines, and the matching of the tray and the film 11 is convenient to realize sealing. The gas distribution unit 2 comprises a gas mixer 25 and a gas inlet pipeline 21, wherein a plurality of gas inlet pipelines 21 are arranged and are connected with the gas mixer 25. Each air inlet pipeline 21 is provided with a solenoid valve 22, a pressure reducing and stabilizing valve 23 and a mass flow controller 24, and each air inlet pipeline 21 can be communicated with different gases, such as carbon hydrogen, compressed air and the like. The ratio of the gases entering the gas mixer 25 is controlled by the mass flow controller 24 for the different gas inlet lines 21, and the various gases are finally mixed in the gas mixer 25.
The exhaust unit 3 comprises an overpressure pipeline 31, a normal pressure pipeline 32 and a negative pressure pipeline 33 which are connected in parallel, wherein an overpressure scavenging valve 311 and an overpressure valve 312 are arranged on the overpressure pipeline 31, a normal pressure scavenging valve 321 is arranged on the normal pressure pipeline 32, and a negative pressure scavenging valve 331 and a negative pressure pump 332 are arranged on the negative pressure pipeline 33. The negative pressure pump 332 is convenient for improving the exhaust efficiency, so that the negative pressure pipeline 33 can be used alternately with the normal pressure pipeline 32 to improve the exhaust efficiency. The overpressure pipe 31 is mainly used for exhausting the metal sample 13 due to the high pressure.
The air distribution unit 2 is connected with a film air inlet pipe 34 and a sample air inlet pipe 35, the film air inlet pipe 34 is connected with the film device 1, and the sample air inlet pipe 35 is connected with the sample 13. The exhaust unit 3 is connected with a film exhaust pipe 36 and a sample exhaust pipe 37, the film exhaust pipe 36 is connected with the film device 1, and the sample exhaust pipe 37 is connected with the sample 13. The film air inlet pipe 34, the sample air inlet pipe 35, the film air outlet pipe 36 and the sample air outlet pipe 37 are respectively provided with a flame arrester 351 and a control valve 352, and the control valve 352 is convenient for controlling the on-off of the pipeline.
The analysis unit 4 comprises an analysis line 41, on which analysis line 41 an analyzer 42 and a sampling valve 43 are arranged. The number of the analysis pipes 41 may be plural, and two analysis pipes 41 are provided in this embodiment. The analyzer 42 may be an oxygen analyzer 42, or may be a methane analyzer 42 or a hydrogen analyzer 42. The air distribution unit 2 is connected with an air oxygen measuring valve 44, so that the oxygen content of air entering the air distribution unit (2) in the current test environment can be conveniently detected, and data support is provided for subsequent gas concentration analysis. An air oxygen valve 44 is also connected to the exhaust unit 3 to allow the gas to escape after measurement.
Working principle: in the test, the sample 13 is placed on the sample tray 12, then the film 11 is fixed on the test tray, and then the gas mixer 25 is simultaneously supplied with gas by the plurality of gas inlet pipelines 21, and the gas generated by mixing the gas mixer 25 enters the sample 13 and/or the film 11 from the film gas inlet pipe 34 and the sample gas inlet pipe 35 respectively. At the same time, the gas in the sample 13 enters the sample exhaust pipe 37, the gas in the film 11 enters the film exhaust pipe 36, and finally the gas is exhausted from the exhaust unit 3 to the sky of more than 5 meters. When the analysis unit 4 detects that the gas concentration in the sample 13 and/or the film 11 reaches the test requirement, the gas distribution and the gas discharge are stopped, the gas in the sample 13 is ignited by an igniter mounted on the sample 13, and the explosion pressure is measured by a dynamic pressure sensor mounted on the sample 13.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. A film test device for explosion-proof performance is characterized by comprising
A thin film device (1), wherein a sample (13) is arranged in the thin film device (1);
the air distribution unit (2), the air distribution unit (2) is connected with the film device (1), and a first pressure transmitter (6) is arranged between the air distribution unit (2) and the film device (1);
and the exhaust unit (3), the exhaust unit (3) is connected with the film device (1), and a second pressure transmitter (7) is arranged between the exhaust unit (3) and the film device (1).
2. The film test device for explosion suppression performance according to claim 1, characterized in that a film air inlet pipe (34) and a sample air inlet pipe (35) are connected to the air distribution unit (2), the film air inlet pipe (34) is connected with the film device (1), and the sample air inlet pipe (35) is connected with the sample (13);
the exhaust unit (3) is connected with a film exhaust pipe (36) and a sample exhaust pipe (37), the film exhaust pipe (36) is connected with the film device (1), and the sample exhaust pipe (37) is connected with the sample (13).
3. The film test device for explosion-proof performance according to claim 2, wherein flame arresters (351) are arranged on the film air inlet pipe (34), the sample air inlet pipe (35), the film air outlet pipe (36) and the sample air outlet pipe (37).
4. The film test device for explosion-proof performance according to claim 2, wherein control valves (352) are arranged on the film air inlet pipe (34), the sample air inlet pipe (35), the film air outlet pipe (36) and the sample air outlet pipe (37).
5. The film test device for flame-proof performance according to claim 1, further comprising an analysis unit (4), wherein the analysis unit (4) is connected with the exhaust unit (3).
6. The film test device for explosion suppression performance according to claim 1, wherein an air oxygen measuring valve (44) is connected to the air distribution unit (2).
7. The film test device for flame-proof performance according to claim 5, wherein the analysis unit (4) comprises an analysis pipeline (41), and an analyzer (42) and a sampling valve (43) are arranged on the analysis pipeline (41).
8. The film test device for flame-proof performance according to claim 1, wherein the gas distribution unit (2) comprises a gas mixer (25) and a gas inlet pipeline (21), and the gas inlet pipeline (21) is provided with a plurality of gas inlets and is connected with the gas mixer (25).
9. The film test device for explosion-proof performance according to claim 8, wherein each air inlet pipeline (21) is provided with a solenoid valve (22), a pressure reducing and stabilizing valve (23) and a mass flow controller (24).
10. The film test device for explosion-proof performance according to claim 1, wherein the exhaust unit (3) comprises an overpressure pipeline (31), a normal pressure pipeline (32) and a negative pressure pipeline (33) which are connected in parallel, wherein an overpressure scavenging valve (311) and an overpressure valve (312) are arranged on the overpressure pipeline (31), a normal pressure scavenging valve (321) is arranged on the normal pressure pipeline (32), and a negative pressure scavenging valve (331) and a negative pressure pump (332) are arranged on the negative pressure pipeline (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453850.8U CN220120527U (en) | 2023-06-07 | 2023-06-07 | Film test device for explosion-proof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453850.8U CN220120527U (en) | 2023-06-07 | 2023-06-07 | Film test device for explosion-proof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120527U true CN220120527U (en) | 2023-12-01 |
Family
ID=88895103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321453850.8U Active CN220120527U (en) | 2023-06-07 | 2023-06-07 | Film test device for explosion-proof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120527U (en) |
-
2023
- 2023-06-07 CN CN202321453850.8U patent/CN220120527U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101140252B (en) | System for testing gas sensors or semiconductor device performance | |
| CN108120568A (en) | A kind of fuel cell pile air-tightness care testing device | |
| CN104390798B (en) | A kind of explosion testing device and method for detecting antiknock device explosion insulation performance | |
| CN113375870A (en) | Tracer gas detection method for semiconductor processing equipment | |
| CN104343510A (en) | Gasoline car fuel evaporation pollutant control system testing device | |
| CN220120527U (en) | Film test device for explosion-proof performance | |
| CN201697907U (en) | Checking apparatus of SF 6 gas leakage monitoring alarm | |
| CN203606339U (en) | Device for detecting sulfur hexafluoride leakage alarming instrument | |
| Cerchiara et al. | Natural and forced ventilation study in an enclosure hosting a fuel cell | |
| WO2023056862A1 (en) | Portable pressure resistance and internal ignition-not-explosion-propagation test system for explosion-proof electrical product | |
| CN212364208U (en) | Testing device of fuel cell hydrogen eliminator | |
| CN110992660A (en) | Detection system and detection method for gas vehicle leakage alarm device | |
| CN213364173U (en) | Compact explosion-proof valve pressure release detector of breathing freely | |
| CN215953231U (en) | Portable explosion-proof electric product pressure resistance and internal ignition non-explosion test system | |
| CN207198045U (en) | A kind of gas-detecting device for GIS device fault gas chamber fast positioning | |
| CN112432800B (en) | Device for simultaneously carrying out explosion-proof test on multiple sets of explosion-proof test tanks and gas replacement method | |
| CN110579379B (en) | Motor vehicle tail gas flexible sampling system and sampling method | |
| CN209992137U (en) | Automatic airtight test system | |
| CN111577435A (en) | Ozone generating device for detecting efficiency of tail gas converter of fuel oil motor vehicle | |
| CN220105823U (en) | Fire control facility smoke detector testing arrangement | |
| CN114384145B (en) | Planetary atmosphere component proportioning on-line detection system, mixing system and method | |
| CN213913194U (en) | Gas diluting device for polluted gas purification test | |
| CN219496302U (en) | Device for measuring water and oxygen in gas | |
| CN112763540B (en) | Explosion-proof test system and test method | |
| CN212508490U (en) | Ozone generating device for detecting efficiency of tail gas converter of fuel oil motor vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |