CN104075946A - Overpressure testing device for testing anti-explosion products - Google Patents
Overpressure testing device for testing anti-explosion products Download PDFInfo
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Abstract
The invention discloses an overpressure testing device for testing anti-explosion products. The overpressure testing device comprises a pressurization system, a control system, a micropressure air volume testing interface system, a pressure relief system and an overpressure testing interface system, wherein the pressurization system is connected with the control system which is connected with the micropressure air volume testing interface system and the overpressure testing interface system respectively, and the micropressure air volume testing interface system and the overpressure testing interface system are both connected with the pressure relief system and are also connected with a tested anti-explosion product. The overpressure testing device can set a target pressure value required by overpressure testing through the control system, can automatically carry out overpressure testing, is accurate and reliable, is strong in controllability and high in safety, and can be widely applied to the field of testing of anti-explosion products.
Description
Technical field
The present invention relates to anti-explosion product test detection field, particularly relate to a kind of for testing the overpotential test device of anti-explosion product.
Background technology
Anti-explosion product is applied in the place of dangers such as having damp, steam, explosive dust or fiber, as: oil, chemical industry, combustion gas, grain processing, weaving, magnesium powder, aluminium powder processing, timber processing etc., anti-explosion product, by particular design, can prevent the blast that the explosive danger such as gas, steam, dust or fiber causes because of electric spark, electric arc, hot surface, static, collision etc.The quality of the explosion-proof performance of anti-explosion product directly affects equipment and personnel's safety, therefore need to carry out just coming into operation after testing authentication to anti-explosion product.An important parameter of testing authentication anti-explosion product is that test anti-explosion product bears atmospheric ability, anti-explosion product is carried out to overpotential test, in technology, there is no the complete device that carries out overpotential test at present, it is generally the experience according to tester, anti-explosion product is applied to air pressure etc., then estimate the performance of anti-explosion product, cannot test exactly, and test repeatability is with poor stability, causes systematically verifying the performance of anti-explosion product.
Summary of the invention
In order to solve above-mentioned technical matters, the object of this invention is to provide a kind of for testing the overpotential test device of anti-explosion product.
The technical solution adopted for the present invention to solve the technical problems is:
For testing an overpotential test device for anti-explosion product, comprise pressure charging system, control system, minute-pressure wind quantity test interface system, pressure relief system and overvoltage test interface system;
Described pressure charging system is connected with control system, described control system is connected with overvoltage test interface system with minute-pressure wind quantity test interface system respectively, described minute-pressure wind quantity test interface system and overvoltage test interface system are all connected with pressure relief system, and all for being connected with tested anti-explosion product.
Further, described pressure charging system comprises pneumatic supply, the first stop valve, drain filter, oil mist separator, odor removal filter, buffering gas tank, precise pressure-reducing valve and the one 22 three-way electromagnetic valves;
After connecting successively, described pneumatic supply, the first stop valve, drain filter, oil mist separator, odor removal filter, buffering gas tank, precise pressure-reducing valve and the one 22 three-way electromagnetic valves are connected with control system.
Further, described control system comprises electron pressure switch, the first pressure transducer, the first test pressure table and data acquisition control system, one end of described electron pressure switch is connected with the one 22 three-way electromagnetic valves, and the other end is successively by being connected with minute-pressure wind quantity test interface system and overvoltage test interface system respectively after the first pressure transducer and the first test pressure table;
Described data acquisition control system is connected with electron pressure switch, the first pressure transducer and the first test pressure table respectively, and described data acquisition control system is also connected with display module.
Further, described minute-pressure wind quantity test interface system comprises the 222 three-way electromagnetic valves, First Speed operation valve, flowmeter, the second pressure transducer, the second test pressure table, flowmeter, the second stop valve and the first test interface;
One end of described the 222 three-way electromagnetic valves is connected with the first test pressure table, and the other end is connected with tested anti-explosion product by First Speed operation valve, flowmeter, the second pressure transducer, the second test pressure table, flowmeter, the second stop valve and the first test interface successively.
Further, described pressure relief system comprises the 322 three-way electromagnetic valves, the 3rd stop valve, pressure release interface and the 422 three-way electromagnetic valves;
One end of described the 322 three-way electromagnetic valves is connected with flowmeter and the second stop valve respectively by threeway adapter, the other end is connected with one end of the 3rd stop valve and one end of the 422 three-way electromagnetic valves respectively by threeway adapter, the other end of described the 3rd stop valve is connected with pressure release interface, and the other end of described the 422 three-way electromagnetic valves is connected with overvoltage test interface system.
Further, described overvoltage test interface system comprises the 522 three-way electromagnetic valves, second speed operation valve, the 4th stop valve, the second test interface and seal connector;
One end of described the 522 three-way electromagnetic valves is connected with the first test pressure table and the 222 three-way electromagnetic valves respectively by threeway adapter, the other end is connected with one end of second speed operation valve, the other end of described second speed operation valve is connected with one end and the 422 three-way electromagnetic valves of the 4th stop valve respectively by threeway adapter, and the other end of described the 4th stop valve is successively by being connected with tested anti-explosion product after the second test interface and seal connector.
Further, described data acquisition control system is also connected with pneumatic supply, the first stop valve, precise pressure-reducing valve, the one 22 three-way electromagnetic valves, the 222 three-way electromagnetic valve, First Speed operation valve, flowmeter, the second pressure transducer, the second test pressure table, flowmeter, the second stop valve, the 322 three-way electromagnetic valve, the 3rd stop valve, the 422 three-way electromagnetic valves, the 522 three-way electromagnetic valve, second speed operation valve and the 4th stop valve respectively.
The invention has the beneficial effects as follows: of the present invention a kind of for testing the overpotential test device of anti-explosion product, comprise pressure charging system, control system, minute-pressure wind quantity test interface system, pressure relief system and overvoltage test interface system; Pressure charging system is connected with control system, control system is connected with overvoltage test interface system with minute-pressure wind quantity test interface system respectively, minute-pressure wind quantity test interface system and overvoltage test interface system are all connected with pressure relief system, and all for being connected with tested anti-explosion product.This overpotential test device can be set after the required target pressure value of overpotential test by control system, automatically carries out overpotential test, accurately and reliably, controllability is strong and safe, is convenient to anti-explosion product to carry out test system, unified standard.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is of the present invention a kind of for testing the structural representation of the overpotential test device of anti-explosion product.
Embodiment
With reference to Fig. 1, the invention provides a kind ofly for testing the overpotential test device of anti-explosion product, comprise pressure charging system 100, control system 200, minute-pressure wind quantity test interface system 300, pressure relief system 400 and overvoltage test interface system 500;
Described pressure charging system 100 is connected with control system 200, described control system 200 is connected with overvoltage test interface system 500 with minute-pressure wind quantity test interface system 300 respectively, described minute-pressure wind quantity test interface system 300 and overvoltage test interface system 500 are all connected with pressure relief system 400, and all for being connected with tested anti-explosion product.
Be further used as preferred embodiment, described pressure charging system 100 comprises pneumatic supply 1, the first stop valve 2, drain filter 3, oil mist separator 4, odor removal filter 5, buffering gas tank 6, precise pressure-reducing valve 7 and the one 22 three-way electromagnetic valves 8;
After connecting successively, described pneumatic supply 1, the first stop valve 2, drain filter 3, oil mist separator 4, odor removal filter 5, buffering gas tank 6, precise pressure-reducing valve 7 and the one 22 three-way electromagnetic valves 8 are connected with control system 200.
Be further used as preferred embodiment, described control system 200 comprises electron pressure switch 9, the first pressure transducer 10, the first test pressure table 11 and data acquisition control system, one end of described electron pressure switch 9 is connected with the one 22 three-way electromagnetic valves 8, and the other end is successively by the first pressure transducer 10 and the first test pressure table 11 is rear is connected with minute-pressure wind quantity test interface system 300 and overvoltage test interface system 500 respectively;
Described data acquisition control system is connected with electron pressure switch 9, the first pressure transducer 10 and the first test pressure table 11 respectively, and described data acquisition control system is also connected with display module.
Be further used as preferred embodiment, described minute-pressure wind quantity test interface system 300 comprises the 222 three-way electromagnetic valves 12, First Speed operation valve 13, flowmeter 14, the second pressure transducer 15, the second test pressure table 16, flowmeter 17, the second stop valve 18 and the first test interface 19;
One end of described the 222 three-way electromagnetic valves 12 is connected with the first test pressure table 11, and the other end is connected with tested anti-explosion product by First Speed operation valve 13, flowmeter 14, the second pressure transducer 15, the second test pressure table 16, flowmeter 17, the second stop valve 18 and the first test interface 19 successively.
Be further used as preferred embodiment, described pressure relief system 400 comprises the 322 three-way electromagnetic valve 20, the 3rd stop valve 21, pressure release interface 22 and the 422 three-way electromagnetic valves 23;
One end of described the 322 three-way electromagnetic valves 20 is connected with flowmeter 17 and the second stop valve 18 respectively by threeway adapter, the other end is connected with one end of the 3rd stop valve 21 and one end of the 422 three-way electromagnetic valves 23 respectively by threeway adapter, the other end of described the 3rd stop valve 21 is connected with pressure release interface 22, and the other end of described the 422 three-way electromagnetic valves 23 is connected with overvoltage test interface system 500.
Be further used as preferred embodiment, described overvoltage test interface system 500 comprises the 522 three-way electromagnetic valves 24, second speed operation valve 25, the 4th stop valve 26, the second test interface 27 and seal connector 28;
One end of described the 522 three-way electromagnetic valves 24 is connected with the first test pressure table 11 and the 222 three-way electromagnetic valves 12 respectively by threeway adapter, the other end is connected with one end of second speed operation valve 25, the other end of described second speed operation valve 25 is connected with one end and the 422 three-way electromagnetic valves 23 of the 4th stop valve 26 respectively by threeway adapter, and the other end of described the 4th stop valve 26 is successively by being connected with tested anti-explosion product after the second test interface 27 and seal connector 28.
Be further used as preferred embodiment, described data acquisition control system is also connected with pneumatic supply 1, the first stop valve 2, the 8, the 222 three-way electromagnetic valves 12 of the 7, the 12 three-way electromagnetic valve of precise pressure-reducing valve, First Speed operation valve 13, flowmeter 14, the second pressure transducer 15, the second test pressure table 16, flowmeter 17, the 18, the 322 three-way electromagnetic valves 20 of the second stop valve, the 21, the 422 three-way electromagnetic valve of the 3rd stop valve the 23, the 522 three-way electromagnetic valve 24, second speed operation valve 25 and the 4th stop valve 26 respectively.
Below in conjunction with embodiment, the present invention will be further described.
Embodiment mono-
With reference to Fig. 1, a kind of for testing the overpotential test device of anti-explosion product, comprise pressure charging system 100, control system 200, minute-pressure wind quantity test interface system 300, pressure relief system 400 and overvoltage test interface system 500;
Pressure charging system 100 is connected with control system 200, control system 200 is connected with overvoltage test interface system 500 with minute-pressure wind quantity test interface system 300 respectively, minute-pressure wind quantity test interface system 300 and overvoltage test interface system 500 are all connected with pressure relief system 400, and all for being connected with tested anti-explosion product.
Pressure charging system 100 comprises pneumatic supply 1, the first stop valve 2, drain filter 3, oil mist separator 4, odor removal filter 5, buffering gas tank 6, precise pressure-reducing valve 7 and the one 22 three-way electromagnetic valves 8; Control system 200 comprises electron pressure switch 9, the first pressure transducer 10, the first test pressure table 11 and data acquisition control system; Minute-pressure wind quantity test interface system 300 comprises the 222 three-way electromagnetic valves 12, First Speed operation valve 13, flowmeter 14, the second pressure transducer 15, the second test pressure table 16, flowmeter 17, the second stop valve 18 and the first test interface 19;
Pressure relief system 400, for the air pressure of tested anti-explosion product inside being reduced to atmospheric pressure after finishing in overpotential test, comprises the 322 three-way electromagnetic valve 20, the 3rd stop valve 21, pressure release interface 22 and the 422 three-way electromagnetic valves 23; Overvoltage test interface system 500 comprises the 522 three-way electromagnetic valves 24, second speed operation valve 25, the 4th stop valve 26, the second test interface 27 and seal connector 28;
Pneumatic supply 1, the first stop valve 2, drain filter 3, oil mist separator 4, odor removal filter 5, buffering gas tank 6, precise pressure-reducing valve 7 and the one 22 three-way electromagnetic valve 8 connect successively afterwards with one end of the electron pressure switch 9 of control system 200 and are connected, the other end of electron pressure switch 9 by after the first pressure transducer 10 and the first test pressure table 11, is connected with one end of the 222 three-way electromagnetic valves 12 and one end of the 522 three-way electromagnetic valves 24 respectively by threeway adapter successively;
The other end of the 222 three-way electromagnetic valves 12 is connected with tested anti-explosion product by First Speed operation valve 13, flowmeter 14, the second pressure transducer 15, the second test pressure table 16, flowmeter 17, the second stop valve 18 and the first test interface 19 successively;
One end of the 322 three-way electromagnetic valves 20 is connected with flowmeter 17 and the second stop valve 18 respectively by threeway adapter, the other end is connected with one end of the 3rd stop valve 21 and one end of the 422 three-way electromagnetic valves 23 respectively by threeway adapter, and the other end of the 3rd stop valve 21 is connected with pressure release interface 22;
The other end of the 522 three-way electromagnetic valves 24 is connected with one end of second speed operation valve 25, the other end of second speed operation valve 25 is connected with one end of the 4th stop valve 26 and the other end of the 422 three-way electromagnetic valves 23 respectively by threeway adapter, and the other end of the 4th stop valve 26 is successively by being connected with tested anti-explosion product after the second test interface 27 and seal connector 28.
Data acquisition control system also respectively with pneumatic supply 1, the first stop valve 2, precise pressure-reducing valve 7, the one 22 three-way electromagnetic valves 8, electron pressure switch 9, the first pressure transducer 10 first test pressure tables 11, the 222 three-way electromagnetic valves 12, First Speed operation valve 13, flowmeter 14, the second pressure transducer 15, the second test pressure table 16, flowmeter 17, the second stop valve 18, the 322 three-way electromagnetic valves 20, the 3rd stop valve 21, the 422 three-way electromagnetic valves 23, the 522 three-way electromagnetic valves 24, second speed operation valve 25 and the 4th stop valve 26 connect.
In Fig. 1, Reference numeral 29 represents tested anti-explosion product, in general, tested anti-explosion product is made container-like, and an interface connecting container inner space is set, and this interface is connected with the second test interface 27 by seal connector 28, or passes through other seal connector and be connected with the first test interface 19.While carrying out overpotential test, by tested anti-explosion product is connected with the first test interface 19 or the second test interface 27, access this overpotential test device and test.
The first test interface 19 and the second test interface 27, the interface of nominal thread size, and be connected with tested anti-explosion product by the seal connector being formed with rubber blanket by gland nut.
Pipe interface in the present embodiment between each parts can all adopt 1/2 pipe interface, adopts 316 stainless steels or brass material, and whole overpotential test device is encapsulated in main body cover, and main body cover generally adopts 304 stainless steels to make, more durable in use.
In the present embodiment, the air pressure range of pressure charging system 100 outputs is 0.002MPa-0.7MPa, and precision is ± 0.1%, and actuating medium is air or nitrogen.
Overpotential test device of the present invention regulates pressure charging system 100 by automatic or manual, thereby filtering step by step of the source of the gas that realization provides pneumatic supply 1 regulates the work source of the gas of exporting Pass Test demand, can carry out minute adjustment output to the malleation source of the gas of input, output accuracy is not inputted the impact of source of the gas air pressure in scope fluctuation.And pneumatic supply 1 can adopt the high-pressure air source of little volume to replace air compressor air feed, saved production cost and consumed energy, and noise-less pollution.In addition, the source of the gas that pneumatic supply 1 is provided dewaters, after oil removing, dedusting, can obtain clean work source of the gas through drain filter 3, oil mist separator 4, odor removal filter 5 in road respectively.Atmospheric pressure value and flow value that data acquisition control system can gather according to the first test pressure table 11, the second test pressure table 16, flowmeter 17, pneumatic supply 1 is regulated, thereby or control the valves such as corresponding solenoid valve or stop valve and control the tolerance that enters and flow out tested anti-explosion product, thereby realize, the pressure in tested anti-explosion product is regulated and is stabilized to required force value.In addition, data acquisition control system can gather the also force value of minute book overpotential test device different parts by the first pressure transducer 10 and the second pressure transducer 15.This overpotential test device can automatically carry out overpotential test after setting required target pressure value, and process of the test robotization has overcome the defect of manual operation test, accurately and reliably, controllability is strong and safe.
Embodiment bis-
The process that the overpotential test device of employing embodiment mono-carries out overpotential test to the tested anti-explosion product of oil immersed non-tight shell is as follows:
S1, by the breathing equipment sealing of tested anti-explosion product, and is protected liquid to be placed in the highest permission liquid level, by seal connector 28, tested anti-explosion product and the second fast interface 27 is connected;
S2, whether the input air pressure that accesses the apparent survey work of an inlet pressure source of the gas between buffering gas tank 6 and precise pressure-reducing valve 7 is standard value (0.7/0.8MPa), if not the source of the gas supply loop that checks pneumatic supply 1;
S3, checks that whether the state position of the valve such as each solenoid valve, stop valve of this overpotential test device is all in default conditions position, if not, its state position is adjusted into default conditions position;
S4, the target pressure value that overpotential test is set by data acquisition control system is 1.5 times of atmospheric pressure (0.15MPa), it is 120s that the dwell time is set simultaneously;
S5, open manually or automatically the one 22 three-way electromagnetic valves 8, after adjustment precision reduction valve 7 makes the atmospheric pressure value of the first test pressure table 11 be target pressure value simultaneously, according to the minute-pressure wind quantity test interface system 300 being connected with tested anti-explosion product or overvoltage test interface system 500, the 222 three-way electromagnetic valves 12 or the 522 three-way electromagnetic valves 24 of corresponding test loop are opened in selection, then open successively each solenoid valve of this test loop, the valves such as stop valve, and progressively regulate First Speed operation valve 13 or the second speed operation valve 25 of this test loop, making data acquisition control system detect the flow value obtaining is 0.15MPa,
Whether S6, observe air pressure in the shell of tested anti-explosion product in critical field, if not, continue to adjust First Speed operation valve 13 or second speed operation valve 25 until the air pressure in the shell of tested anti-explosion product in critical field;
S7, start dwell time countdown, after countdown finishes, connect the 3rd stop valve 21 and the 422 three-way electromagnetic valves 23, open pressure relief system 400, from pressure release interface 22 Exhaust Gas, close pneumatic supply 1 simultaneously, inner chamber until tested anti-explosion product returns to after normal pressure, and tested anti-explosion product is separated with this overpotential test device, observes tested anti-explosion product, if its shell is without damage, there is not the permanent deformation having a negative impact to meeting the performance of IP degree of protection requirement, judge that tested anti-explosion product is qualified, otherwise be judged as defective yet.
In above-mentioned overpotential test process, the switches digital of the air pressure of overpotential test device, flow and each valve state all completes by data acquisition control system robotization, and can carry out Tracing Control to the state position of each valve.An implementation of data acquisition control system is: the graphical TT&C software platform of LabView and the PID that operate in built-in touch one industrial computer/industrial computer control platform.
Embodiment tri-
The process that the overpotential test device of employing embodiment mono-carries out the test of minute-pressure air quantity to the non-electric tested anti-explosion product of current-limiting type is as follows: the first fast interface 19 of this overpotential test device is tightly connected with tested anti-explosion product, the air pressure shell of tested anti-explosion product being applied by data acquisition control system is set to 400Pa, then move pressure charging system 100, after pressure charging system 100 is stable, open successively the 222 three-way electromagnetic valves 12, First Speed operation valve 13, flowmeter 14, the second pressure transducer 15, the second test pressure table 16 and flowmeter 17, start to carry out overpotential test.When data acquisition control system detects overpressure value that the second test pressure table 16 shows and maintains 400Pa, the air output of reading flow scale 17 (L/h), if air flow rate is divided by the shell net volume of tested anti-explosion product, (unit liter, result L) is no more than 0.125h
-1, judge that tested anti-explosion product is qualified, otherwise be judged as defective.After test, open pressure relief system 400 and carry out pressure release, until tested anti-explosion product inner chamber, return to after normal pressure, tested anti-explosion product is separated with this overpotential test device.
Embodiment tetra-
The process that the overpotential test device of employing embodiment mono-carries out overpotential test to the non-electric tested anti-explosion product of liquid immersion type is as follows:
The liquid level of injecting protection liquid in the shell of tested anti-explosion product is placed in to the highest permission liquid level, by seal connector 28, tested anti-explosion product and the second fast interface 27 is connected; The target pressure value that overpotential test device is set by data acquisition control system is 1.2 times of atmospheric pressure (0.12MPa), it is 120s that dwell time is set simultaneously, then move pressure charging system 100, after pressure charging system 100 is stable, open the 522 three-way electromagnetic valves 24, second speed operation valve 25 and the 4th stop valve 26, start to carry out overpotential test.After test, open pressure relief system 400 and carry out pressure release, until tested anti-explosion product inner chamber, return to after normal pressure, tested anti-explosion product is separated with this overpotential test device.Observe tested anti-explosion product, if its distortion or the loss of protection liquid do not make to protect the liquid level of liquid to be reduced to below the minimum limit value of regulation, judge that tested anti-explosion product is qualified, otherwise be judged as defective.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (7)
1. for testing an overpotential test device for anti-explosion product, it is characterized in that, comprise pressure charging system (100), control system (200), minute-pressure wind quantity test interface system (300), pressure relief system (400) and overvoltage test interface system (500);
Described pressure charging system (100) is connected with control system (200), described control system (200) is connected with overvoltage test interface system (500) with minute-pressure wind quantity test interface system (300) respectively, described minute-pressure wind quantity test interface system (300) and overvoltage test interface system (500) are all connected with pressure relief system (400), and all for being connected with tested anti-explosion product.
2. according to claim 1 a kind of for testing the overpotential test device of anti-explosion product, it is characterized in that, described pressure charging system (100) comprises pneumatic supply (1), the first stop valve (2), drain filter (3), oil mist separator (4), odor removal filter (5), buffering gas tank (6), precise pressure-reducing valve (7) and the one 22 three-way electromagnetic valves (8);
After connecting successively, described pneumatic supply (1), the first stop valve (2), drain filter (3), oil mist separator (4), odor removal filter (5), buffering gas tank (6), precise pressure-reducing valve (7) and the one 22 three-way electromagnetic valves (8) are connected with control system (200).
3. according to claim 2 a kind of for testing the overpotential test device of anti-explosion product, it is characterized in that, described control system (200) comprises electron pressure switch (9), the first pressure transducer (10), the first test pressure table (11) and data acquisition control system, one end of described electron pressure switch (9) is connected with the one 22 three-way electromagnetic valves (8), the other end is successively by being connected with minute-pressure wind quantity test interface system (300) and overvoltage test interface system (500) respectively after the first pressure transducer (10) and the first test pressure table (11),
Described data acquisition control system is connected with electron pressure switch (9), the first pressure transducer (10) and the first test pressure table (11) respectively, and described data acquisition control system is also connected with display module.
4. according to claim 3 a kind of for testing the overpotential test device of anti-explosion product, it is characterized in that, described minute-pressure wind quantity test interface system (300) comprises the 222 three-way electromagnetic valves (12), First Speed operation valve (13), flowmeter (14), the second pressure transducer (15), the second test pressure table (16), flowmeter (17), the second stop valve (18) and the first test interface (19);
One end of described the 222 three-way electromagnetic valves (12) is connected with the first test pressure table (11), and the other end is connected with tested anti-explosion product by First Speed operation valve (13), flowmeter (14), the second pressure transducer (15), the second test pressure table (16), flowmeter (17), the second stop valve (18) and the first test interface (19) successively.
5. according to claim 4 a kind of for testing the overpotential test device of anti-explosion product, it is characterized in that, described pressure relief system (400) comprises the 322 three-way electromagnetic valves (20), the 3rd stop valve (21), pressure release interface (22) and the 422 three-way electromagnetic valves (23);
One end of described the 322 three-way electromagnetic valves (20) is connected with flowmeter (17) and the second stop valve (18) respectively by threeway adapter, the other end is connected with the 3rd one end of stop valve (21) and one end of the 422 three-way electromagnetic valves (23) respectively by threeway adapter, the other end of described the 3rd stop valve (21) is connected with pressure release interface (22), and the other end of described the 422 three-way electromagnetic valves (23) is connected with overvoltage test interface system (500).
6. according to claim 5 a kind of for testing the overpotential test device of anti-explosion product, it is characterized in that, described overvoltage test interface system (500) comprises the 522 three-way electromagnetic valves (24), second speed operation valve (25), the 4th stop valve (26), the second test interface (27) and seal connector (28);
One end of described the 522 three-way electromagnetic valves (24) is connected with the first test pressure table (11) and the 222 three-way electromagnetic valves (12) respectively by threeway adapter, the other end is connected with the one end of second speed operation valve (25), the other end of described second speed operation valve (25) is connected with one end and the 422 three-way electromagnetic valves (23) of the 4th stop valve (26) respectively by threeway adapter, and the other end of described the 4th stop valve (26) is successively by being connected with tested anti-explosion product after the second test interface (27) and seal connector (28).
7. according to claim 6 a kind of for testing the overpotential test device of anti-explosion product, it is characterized in that, described data acquisition control system also respectively with pneumatic supply (1), the first stop valve (2), precise pressure-reducing valve (7), the one 22 three-way electromagnetic valves (8), the 222 three-way electromagnetic valves (12), First Speed operation valve (13), flowmeter (14), the second pressure transducer (15), the second test pressure table (16), flowmeter (17), the second stop valve (18), the 322 three-way electromagnetic valves (20), the 3rd stop valve (21), the 422 three-way electromagnetic valves (23), the 522 three-way electromagnetic valves (24), second speed operation valve (25) and the 4th stop valve (26) connect.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104390798A (en) * | 2014-11-10 | 2015-03-04 | 广州特种机电设备检测研究院 | Explosion test device and method for detecting explosion suppression performance of explosive-proof device |
| CN112683566A (en) * | 2020-12-31 | 2021-04-20 | 北京中瑞和电气有限公司 | Fatigue test system and method for high-speed pressure relief explosion-proof device |
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| CN112683566A (en) * | 2020-12-31 | 2021-04-20 | 北京中瑞和电气有限公司 | Fatigue test system and method for high-speed pressure relief explosion-proof device |
| CN112683566B (en) * | 2020-12-31 | 2023-06-23 | 北京中瑞和电气有限公司 | Fatigue test system and method for high-speed pressure relief explosion-proof device |
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| CN104075946B (en) | 2016-08-24 |
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