CN102564791B - Pressure regulating property testing system of gas pressure regulator - Google Patents
Pressure regulating property testing system of gas pressure regulator Download PDFInfo
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- CN102564791B CN102564791B CN201110461992.4A CN201110461992A CN102564791B CN 102564791 B CN102564791 B CN 102564791B CN 201110461992 A CN201110461992 A CN 201110461992A CN 102564791 B CN102564791 B CN 102564791B
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- solenoid valve
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Abstract
The invention relates to a pressure regulating property testing system of a gas pressure regulator. The pressure regulating property testing system of the gas pressure regulator is characterized by comprising a pressure regulating property testing device, an industrial control processing terminal and a constant voltage compressed air supply device, wherein the pressure regulating property testing device comprises a tested sample front mechanism and a tested sample back mechanism; the tested sample front mechanism comprises a high pressure air pipeline and a low pressure air pipeline which are connected with a measuring device in series; and the tested sample back mechanism comprises a first back pipeline and a second back pipeline which are connected with a measuring device in series. During measuring, two ports of the tested pressure regulator are respectively connected with the tested sample front mechanism and the tested sample back mechanism and the process of obtaining a measuring result is automatically controlled by the industrial control processing terminal. Because the whole detecting process is controlled and finished by a computer of the industrial control terminal without being disturbed by human factors, the pressure regulating property testing system of the gas pressure regulator, provided by the invention, and has the advantages of accurate detecting result, high automation degree and high testing efficiency.
Description
Technical field
The present invention relates to a kind of pressure regulating property testing system of gas pressure regulator that can carry out pressure regulating performance test to the pressure regulator on liquefied gas bottle or this two large series products of ratio adjusting valve.
Background technology
Now, the pressure regulating performance of the pressure regulator (being commonly called as reduction valve) on liquefied gas bottle or ratio adjusting valve is detected, mostly by carrying out manually, because the test of pressure regulator series products pressure regulating performance has pressure and traffic sampling point is many, intake pressure need meet the features such as monotone variation, the work of this detection mode can be very loaded down with trivial details, efficiency is extremely low, what is more important, because whole process is completely by carrying out by hand, be difficult to avoid the pressure amplitude of accommodation excessive and the situation of readjustment, the change of pressure cannot keep monotone increasing or monotone decreasing, testing result is affected by more human factor, accuracy is poor.
Summary of the invention
The object of the present invention is to provide the pressure regulating property testing system of gas pressure regulator that a kind of testing result is accurate, automaticity is high, testing efficiency is high.
Technical scheme of the present invention is achieved in that
A kind of pressure regulating property testing system of gas pressure regulator, its feature is to comprise the pressure regulating performance proving installation, industry control processing terminal, the constant voltage pressurized air that are made up of mechanism after mechanism before sample and sample and provides equipment, wherein
Before described sample, mechanism is provided with pressurized air input port, is connected with a hand valve at this pressurized air input port place, is connected to a high pressure airline and a low-pressure air pipeline at the output terminal of hand valve;
Described pressurized air input port and constant voltage pressurized air provide together with equipment is connected;
Described high pressure airline is sequentially serially connected with precondition pressure table, the pressure regulator valve of band stepper motor regulatory function, solenoid valve, hand valve, three-way solenoid valve and rearmounted tensimeter, and is also provided with the test connection front port that the air inlet port for sample connects at rearmounted tensimeter place;
Described low-pressure air pipeline is sequentially serially connected with precondition pressure table, the pressure regulator valve of band stepper motor regulatory function, solenoid valve, hand valve, three-way solenoid valve and rearmounted tensimeter, and is also provided with the test connection front port that the air inlet port for sample connects at rearmounted tensimeter place;
Also be connected with one article of air bye-pass between the threeway port of the threeway port of the three-way solenoid valve of described high pressure airline and the three-way solenoid valve of low-pressure air pipeline, this air bye-pass is also sequentially serially connected with the first hand valve, the first differential pressure gauge, the second differential pressure gauge, the 3rd differential pressure gauge, the 4th differential pressure gauge and the second hand valve;
Air bye-pass between the first hand valve and the first differential pressure gauge is also connected with the second air bye-pass, after this second air bye-pass is serially connected with the 3rd hand valve, be connected between hand valve in high pressure airline and three-way solenoid valve high pressure airline on;
Air bye-pass between the 4th differential pressure gauge and the second hand valve is also connected with the 3rd air bye-pass, after the 3rd air bye-pass is serially connected with the 4th hand valve, be connected between hand valve in low-pressure air pipeline and three-way solenoid valve low-pressure air pipeline on;
Between the threeway port and the first hand valve of the three-way solenoid valve of high pressure airline, be also connected with the 4th air bye-pass, after the 4th air bye-pass is serially connected with the 5th hand valve, be connected between solenoid valve in low-pressure air pipeline and hand valve low-pressure air pipeline on;
Solenoid valve in low-pressure air pipeline and the low-pressure air pipeline between hand valve are also connected with the 5th air arm, after the 5th air arm is serially connected with the 6th hand valve, are connected on the threeway port of three-way solenoid valve of low-pressure air pipeline;
Pipeline after pipeline and second after mechanism comprises first after described sample, after wherein said first, after pipeline and second, pipeline is sequentially serially connected with gas meter and needle-valve respectively; After first pipeline with pipeline after second is positioned at the test that air outlet that gas meter front end is also respectively equipped with confession sample is connected and connects rear port;
Described industry control processing terminal is made up of computer equipment, Signal Collection and amplify circuit board and Electronic Control Assembly;
Described industry control processing terminal by cable respectively with the precondition pressure table on high pressure airline, be with the pressure regulator valve of stepper motor regulatory function, solenoid valve, three-way solenoid valve, rearmountedly manometricly electricly connect together with port is electrically connected;
Described industry control processing terminal by cable respectively with the precondition pressure table on low-pressure air pipeline, be with the pressure regulator valve of stepper motor regulatory function, solenoid valve, three-way solenoid valve, rearmountedly manometricly electricly connect together with port is electrically connected;
Described industry control processing terminal by cable respectively with the first differential pressure gauge on air bye-pass, the second differential pressure gauge, the 3rd differential pressure gauge, the 4th differential pressure gauge electricly connect together with port is electrically connected.
The present invention by above-mentioned through science, well-designed technical scheme, when pressure regulator is tested, tested pressure regulator to be connected to before sample after mechanism and sample between mechanism, simultaneously toward the pressurized air of the input end access constant voltage of pressure regulating performance proving installation, and run the unified manipulation of the testing software designed according to GB in advance at industry control processing terminal under, analog manual operation, automatically intake pressure can be regulated according to standard-required, rate of discharge size, record the top hole pressure data of each sampled point, automatically generated data form and performance curve, and judge whether pressure regulator pressure regulating performance meets safety requirements according to this, Performance Detection for pressure regulator provides a kind of brand-new, accurately, efficient detection means.Whole testing process, is undertaken controlling and completing by the computing machine of industry control terminal, not by the interference of human factor, has the advantage that testing result is accurate, automaticity is high, testing efficiency is high.
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Accompanying drawing explanation
Fig. 1 is principle of work block scheme of the present invention.
Fig. 2 is the structural representation of pressure regulating performance proving installation of the present invention.
Embodiment
As shown in Figures 1 and 2, a kind of pressure regulating property testing system of gas pressure regulator of the present invention, comprise the pressure regulating performance proving installation 1 be made up of mechanism 4 after mechanism before sample 3 and sample, industry control processing terminal 2, constant voltage pressurized air provides equipment 5, wherein, before described sample, mechanism 3 is provided with pressurized air input port 31, this pressurized air input port 31 is mainly used in and constant voltage (or being called voltage stabilizing) pressurized air providing source, or constant voltage pressurized air provides equipment 5, or constant voltage pressurized air provides system to be connected together, to pass through pressurized air providing source, or constant voltage pressurized air provides equipment 5, or constant voltage pressurized air provides system to be conveyed into constant voltage pressurized air needed for test.This constant voltage pressurized air providing source or constant voltage pressurized air provide equipment 5 or constant voltage pressurized air to provide system to be independent of outside pressure regulating performance proving installation 1, in order to the source of the gas of different pressures can be provided, constant voltage pressurized air providing source or constant voltage pressurized air provide equipment 5 or constant voltage pressurized air provide system from original port just staged pressure drop, every one-level pressure drop is furnished with outlet conduit and gives vent to anger interface.In addition, the every one-level air pressure providing equipment 5 or constant voltage pressurized air to provide system to provide to make constant voltage pressurized air providing source or constant voltage pressurized air keeps constant and air flow energy held stationary, is all configured with surge tank in the outlet front end of every first class pressure.In order to make native system when stopping test or maintenance, compressed air source can be cut off easily, as shown in Figure 2, being connected with a hand valve 32 at described pressurized air input port 31 place.
In order to make in the present invention at one time, the test of two regulator product can be carried out, again as shown in Figure 2, be connected to a high pressure airline 33 and a low-pressure air pipeline 34 at the output terminal of this hand valve 32.
Wherein, described high pressure airline 33 is sequentially serially connected with precondition pressure table 35, the pressure regulator valve 36 of band stepper motor regulatory function, solenoid valve 37, hand valve 32, three-way solenoid valve 38 and rearmounted tensimeter 39, and is also provided with the test connection front port 40 that the air inlet port for sample connects at rearmounted tensimeter 39 place.
Described low-pressure air pipeline 34 is sequentially serially connected with precondition pressure table 35, the pressure regulator valve 36 of band stepper motor regulatory function, solenoid valve 37, hand valve 32, three-way solenoid valve 38 and rearmounted tensimeter 39, and is also provided with the test connection front port 40 that the air inlet port for sample connects at rearmounted tensimeter 39 place.
Described high pressure airline 33 and the pressure regulator valve 36 of the band stepper motor regulatory function in low-pressure air pipeline 34 be mainly used for the compressed-air actuated pressure be input in pipeline to be adjusted to pressure regulator test needed for pressure limit.And described solenoid valve 37 and three-way solenoid valve 38 are mainly used in facilitating compressed-air actuated connection and cut-out in the unified pilot piping of industry control processing terminal 2.Described precondition pressure table 35 and rearmounted tensimeter 39 be mainly respectively used to measure pressurized air enter pipeline before pressure and pressurized air process by the road after enter into tested pressure regulator interior before pressure.When hand valve 32 between connected electromagnetic valve 37 and three-way solenoid valve 38 is mainly used in overhauling pipeline, just cut off the path of pipeline.
In order to ensure high pressure airline 33 and the pressure of low-pressure air pipeline 34, the synchronism of flow and consistance, as shown in Figure 2, also be connected with one article of air bye-pass 50 between the threeway port of three-way solenoid valve 38 of described high pressure airline 33 and the threeway port of the three-way solenoid valve 38 of low-pressure air pipeline 34, this air bye-pass 50 is also sequentially serially connected with the first hand valve 501, first differential pressure gauge 502, second differential pressure gauge 503, the 3rd differential pressure gauge 504, the 4th differential pressure gauge 505 and the second hand valve 506; Air bye-pass between the first hand valve 501 and the first differential pressure gauge 502 is also connected with the second air bye-pass 507, after this second air bye-pass 507 is serially connected with the 3rd hand valve 508, be connected between hand valve 32 in high pressure airline 33 and three-way solenoid valve 38 high pressure airline 33 on; Air bye-pass between the 4th differential pressure gauge 505 and the second hand valve 506 is also connected with the 3rd air bye-pass the 509, three air bye-pass 509 be serially connected with the 4th hand valve 600 after, be connected between hand valve 32 in low-pressure air pipeline 34 and three-way solenoid valve 38 low-pressure air pipeline 34 on; Between the threeway port and the first hand valve 501 of the three-way solenoid valve 38 of high pressure airline 33, be also connected with the 4th air bye-pass 601, after the 4th air bye-pass 601 is serially connected with the 5th hand valve 602, be connected between solenoid valve 37 in low-pressure air pipeline 34 and hand valve 32 low-pressure air pipeline 34 on; Solenoid valve 37 in low-pressure air pipeline 34 and the low-pressure air pipeline 34 between hand valve 32 are also connected with the 5th air arm the 603, five air arm 603 be serially connected with the 6th hand valve 604 after, be connected on the threeway port of three-way solenoid valve 38 of low-pressure air pipeline 34.
Be connected front port 40 match in order to mechanism 4 after making sample can test with two of mechanism before sample 3, as shown in Figure 2, pipeline 41 and the second rear pipeline 42 after after described sample, mechanism 4 comprises first, after wherein said first, pipeline 41 and the second rear pipeline 42 are sequentially serially connected with gas meter 43 and needle-valve 44 respectively, the real pressure regulator valve for band stepper motor regulatory function of this needle-valve 44, this pressure regulator valve, by under driving stepper motor, can reach the flow that fine adjustment pressurized air is discharged.In like manner, the pressure regulator valve 36 of the band stepper motor regulatory function in high pressure airline 33 with low-pressure air pipeline 34 is also in order to pressure when energy fine adjustment pressurized air enters and flow.After first pipeline 41 with pipeline 42 after second is positioned at the test that air outlet that gas meter 43 front end is also respectively equipped with confession sample is connected and connects rear port 60.During measurement, the input port of tested pressure regulator is connected front port 40 with test and is connected, and the output port of tested pressure regulator is then connected rear port 60 with test.Native system can carry out the test of two pressure regulator samples simultaneously.
Described industry control processing terminal 2 is generally made up of computer equipment, Signal Collection and amplify circuit board and Electronic Control Assembly.This with other existing modernization automatic measuring equipment or numerical control device industry control processing terminal used substantially identical.Because this industry control processing terminal 2 various parts used are all from what directly buy on the market, belong to the universal component of prior art, so be not described in detail its structure.Described industry control processing terminal 2 by cable respectively with the precondition pressure table 35 on high pressure airline 33, be with the pressure regulator valve 36 of stepper motor regulatory function, solenoid valve 37, three-way solenoid valve 38, rearmounted tensimeter 39 electricly connect together with port is electrically connected; Described industry control processing terminal 2 by cable respectively with the precondition pressure table 35 on low-pressure air pipeline 34, be with the pressure regulator valve 36 of stepper motor regulatory function, solenoid valve 37, three-way solenoid valve 38, rearmounted tensimeter 39 electricly connect together with port is electrically connected; Described industry control processing terminal 2 by cable respectively with the first differential pressure gauge 502, second differential pressure gauge 503 on air bye-pass 50, the 3rd differential pressure gauge 504, the 4th differential pressure gauge 505 electricly connect together with port is electrically connected; To realize computing machine, measurement data is shown to the automatic control of whole system, automatically collection signal data and automatic computing.The computer equipment of described industry control processing terminal 2 is provided with operating system (as Windows, LINUX operating system etc.), and is the testing software of this test macro exploitation specially.Testing software can be designed to be had---automatically can regulate intake pressure according to standard-required, rate of discharge size, record the top hole pressure data of each sampled point, automatically generated data form and performance curve, and judge whether pressure regulator pressure regulating performance meets the function of safety requirements according to this.The means realized due to software section are more, and most cases can because adopt different programming tool, and different testing standard and different.So, for concrete software simulating part, be not described in detail, transfer to those skilled in the art in the specific implementation, carry out programming realization according to required measurement standard.The present invention only asks to protect concrete organization plan, not claimed for concrete measuring method, because measuring method is exactly a simple data signal acquisition and control and calculates the process exporting measurement result.
Claims (1)
1. a pressure regulating property testing system of gas pressure regulator, it is characterized in that: comprising the pressure regulating performance proving installation (1), industry control processing terminal (2), the constant voltage pressurized air that are made up of mechanism (4) after mechanism before sample (3) and sample provides equipment (5), wherein
Before described sample, mechanism (3) is provided with pressurized air input port (31), be connected with a hand valve (32) at this pressurized air input port (31) place, be connected to a high pressure airline (33) and a low-pressure air pipeline (34) at the output terminal of hand valve (32);
Described pressurized air input port (31) and constant voltage pressurized air provide together with equipment (5) is connected;
Described high pressure airline (33) is sequentially serially connected with precondition pressure table (35), the pressure regulator valve (36) of band stepper motor regulatory function, solenoid valve (37), hand valve (32), three-way solenoid valve (38) and rearmounted tensimeter (39), and is also provided with test connection front port (40) that the air inlet port for sample connects at rearmounted tensimeter (39) place;
Described low-pressure air pipeline (34) is sequentially serially connected with precondition pressure table (35), the pressure regulator valve (36) of band stepper motor regulatory function, solenoid valve (37), hand valve (32), three-way solenoid valve (38) and rearmounted tensimeter (39), and is also provided with test connection front port (40) that the air inlet port for sample connects at rearmounted tensimeter (39) place;
Also be connected with one article of air bye-pass (50) between the threeway port of three-way solenoid valve (38) of described high pressure airline (33) and the threeway port of the three-way solenoid valve (38) of low-pressure air pipeline (34), this air bye-pass (50) is also sequentially serially connected with the first hand valve (501), the first differential pressure gauge (502), the second differential pressure gauge (503), the 3rd differential pressure gauge (504), the 4th differential pressure gauge (505) and the second hand valve (506);
Air bye-pass between the first hand valve (501) and the first differential pressure gauge (502) is also connected with the second air bye-pass (507), this second air bye-pass (507) be serially connected with the 3rd hand valve (508) afterwards, be connected between hand valve (32) in high pressure airline (33) and three-way solenoid valve (38) high pressure airline (33) on;
Air bye-pass between the 4th differential pressure gauge (505) and the second hand valve (506) is also connected with the 3rd air bye-pass (509), the 3rd air bye-pass (509) be serially connected with the 4th hand valve (600) afterwards, be connected between hand valve (32) in low-pressure air pipeline (34) and three-way solenoid valve (38) low-pressure air pipeline (34) on;
Also be connected with the 4th air bye-pass (601) between the threeway port of the three-way solenoid valve (38) in high pressure airline (33) and the first hand valve (501), the 4th air bye-pass (601) be serially connected with the 5th hand valve (602) afterwards, be connected between solenoid valve (37) in low-pressure air pipeline (34) and hand valve (32) low-pressure air pipeline (34) on;
Solenoid valve (37) in low-pressure air pipeline (34) and the low-pressure air pipeline (34) between hand valve (32) are also connected with the 5th air arm (603), the 5th air arm (603) be serially connected with the 6th hand valve (604) afterwards, be connected on the threeway port of three-way solenoid valve (38) of low-pressure air pipeline (34);
Pipeline (42) after pipeline (41) and second after mechanism (4) comprises first after described sample, after wherein said first, after pipeline (41) and second, pipeline (42) is sequentially serially connected with gas meter (43) and needle-valve (44) respectively; After first pipeline (41) with pipeline (42) after second is positioned at the test that air outlet that gas meter (43) front end is also respectively equipped with confession sample is connected and connects rear port (60);
Described industry control processing terminal (2) is made up of computer equipment, Signal Collection and amplify circuit board and Electronic Control Assembly;
Described industry control processing terminal (2) by cable respectively with the precondition pressure table (35) on high pressure airline (33), be with the pressure regulator valve of stepper motor regulatory function (36), solenoid valve (37), three-way solenoid valve (38), rearmounted tensimeter (39) electricly connect together with port is electrically connected;
Described industry control processing terminal (2) by cable respectively with the precondition pressure table (35) on low-pressure air pipeline (34), be with the pressure regulator valve of stepper motor regulatory function (36), solenoid valve (37), three-way solenoid valve (38), rearmounted tensimeter (39) electricly connect together with port is electrically connected;
Described industry control processing terminal (2) by cable respectively with the first differential pressure gauge (502) on air bye-pass (50), the second differential pressure gauge (503), the 3rd differential pressure gauge (504), the 4th differential pressure gauge (505) electricly connect together with port is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110461992.4A CN102564791B (en) | 2011-12-29 | 2011-12-29 | Pressure regulating property testing system of gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110461992.4A CN102564791B (en) | 2011-12-29 | 2011-12-29 | Pressure regulating property testing system of gas pressure regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102564791A CN102564791A (en) | 2012-07-11 |
| CN102564791B true CN102564791B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110461992.4A Expired - Fee Related CN102564791B (en) | 2011-12-29 | 2011-12-29 | Pressure regulating property testing system of gas pressure regulator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439125A (en) * | 2013-06-26 | 2013-12-11 | 安徽中科智能高技术有限责任公司 | Device and method for detecting pressure regulation performance of gas pressure regulator |
| CN103454114B (en) * | 2013-09-25 | 2016-07-06 | 北京市燃气集团有限责任公司 | The diagnosis of mesolow gas pressure regulator, governor operation troubles and safety early warning device and method |
| CN107014606A (en) * | 2017-06-13 | 2017-08-04 | 北京科荣达航空设备科技有限公司 | The method that release of pressure characteristic curve test is carried out to slide gas cylinder adjuster |
| CN107676625B (en) * | 2017-11-07 | 2023-07-21 | 四川奥特附件维修有限责任公司 | Oxygen cylinder regulator low pressure testboard |
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| JPH10197414A (en) * | 1997-01-08 | 1998-07-31 | Mitsubishi Heavy Ind Ltd | Compressor-testing apparatus |
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2011
- 2011-12-29 CN CN201110461992.4A patent/CN102564791B/en not_active Expired - Fee Related
Patent Citations (4)
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|---|---|---|---|---|
| JPH10197414A (en) * | 1997-01-08 | 1998-07-31 | Mitsubishi Heavy Ind Ltd | Compressor-testing apparatus |
| CN201210104Y (en) * | 2008-05-07 | 2009-03-18 | 常州市科信燃气设备有限公司 | Test apparatus for gas regulator |
| CN201583389U (en) * | 2009-02-12 | 2010-09-15 | 杨方平 | Dry-type gas tightness test bed of gas pressure regulator |
| CN202420889U (en) * | 2011-12-29 | 2012-09-05 | 姚克农 | Pressure regulating performance test system for gas pressure regulator |
Non-Patent Citations (1)
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| 影响民用燃气灶具热效率测定的几个因素;张榕林等;《能源》;19820501(第四期);14,40-41 * |
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| CN102564791A (en) | 2012-07-11 |
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