CN201803838U - Multifunctional valve testing system - Google Patents
Multifunctional valve testing system Download PDFInfo
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- CN201803838U CN201803838U CN 201020535215 CN201020535215U CN201803838U CN 201803838 U CN201803838 U CN 201803838U CN 201020535215 CN201020535215 CN 201020535215 CN 201020535215 U CN201020535215 U CN 201020535215U CN 201803838 U CN201803838 U CN 201803838U
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- pressure tappings
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Abstract
The utility model relates to the testing equipment technology, in particular to a multifunctional valve testing system, which solves problems of backwardness, severe human influence, low test precision, long period and poor reliability of test results of existing valve testing methods. The multifunctional valve testing system comprises a test stand, a water tank, a plurality of water pumps connected in parallel, an electric control box and a data acquisition device, a first to-be-tested pressure tapping is arranged at an outlet of the water pumps, a second electromagnetic regulating valve is arranged at a water return opening of the water tank, a third to-be-tested pressure tapping is connected to the second electromagnetic regulating valve closely, a first electromagnetic regulating valve is arranged at the first to-be-tested pressure tapping towards the third to-be-tested pressure tapping, an electromagnetic flowmeter is connected with the first electromagnetic regulating valve, a to-be-tested valve joint is arranged between the electromagnetic flowmeter and the third to-be-tested pressure tapping, a second to-be-tested pressure tapping is arranged between the electromagnetic flowmeter and a to-be-tested valve, an electric control circuit of the water pumps is connected into the electric control box, and the first electromagnetic regulating valve and the second electromagnetic regulating valve are respectively connected with the electric control box.
Description
Technical field
The utility model relates to the test equipment technical field, especially a kind of multi-functional valve test macro that is provided with a plurality of testing tables.
Background technology
Valve means of testing and method are all relatively backward mostly at present, flow, pressure are by manually according to flowmeter, manometric indication record, test result is by manually calculating and curve plotting, because flow, pressure surge are bigger, data are subjected to man's activity bigger, accuracy of detection is low, and the cycle is long, so reliability of testing result can not get guaranteeing.As China Patent No. is 88206270.0 valve pressure test devices, by left and right sides frame, and the main frame that left and right sides hold-down mechanism, base are formed and make the hydraulic system of one with main frame, the electric system device adapts to big latus rectum valve is carried out pressure test.And Chinese patent application ZL200910184067.4 low-temperature valve detecting system, comprise air supply unit and coupling arrangement, also comprise at least one cryostat,, air supply unit is connected with described cryostat, by coupling arrangement, cryostat, also is connected with mass flowmeter and temperature control unit by coupling arrangement, it mainly provides low-temperature valve detecting system, and is inapplicable to institute of the present invention side valve door.And for example the patent No. is application number 200610050053.X Subzero valve Performance Test System based on computer data acquiring, it comprises the low-temperature test groove, Subzero valve to be measured, the flange end cap, mounting seat, electromagnet, liquid level sensor, from the supercharging liquid nitrogen storage tank, mechanical pump, graduated cylinder method flow testing system, flowmeter, pressure transducer, the pressure signal processor, thermopair, temperature signal processor, computer data acquisition system, safety valve, exhaust-valve, reduction valve, helium tank, gas transmission coil pipe etc., can realize the automatic control of liquid nitrogen storage tank from pressure charging system, adopt the electromagnet energising fixing, this structure is different with structure of the present invention.
Summary of the invention
The purpose of this utility model is relatively backward in order to solve existing valve method of testing, according to flowmeter, manometric indication record, because of flow, pressure surge is bigger, data are subjected to man's activity bigger, accuracy of detection is low, cycle is long, the problem of test result reliability difference, provide a kind of reasonable in design, multi-functional valve test macro easy to use, it can test the plurality of specifications valve on same testing table, gather tested valve back pressure in front of the door by means of computer testing system, data such as pressure reduction and flow, and utilize mathematical relation between them, print flow after treatment, family curve and coefficient of flow such as pressure, data such as flow resistance coefficient also can be by the artificial input data, again by printing family curve and related data after the Computer Processing.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: a kind of multi-functional valve test macro, comprise testing table, the pond, water pump, electric cabinet, data collector, it is characterized in that described water pump parallel connection is provided with some, establish first pressure tappings to be measured at the delivery outlet of water pump, the water return outlet place in pond is provided with second electric control valve, what be right after with second electric control valve is second pressure tappings to be measured, be provided with first electric control valve at the first pressure tappings to be measured place to the second pressure tappings direction to be measured, what link to each other with first electric control valve has an electromagnetic flowmeter, establish between the electromagnetic flowmeter and second pressure tappings to be measured and treat the side valve interface, at electromagnetic flowmeter and treat to be provided with between the side valve the 3rd pressure tappings to be measured; The automatically controlled circuit of described water pump inserts electric cabinet, and first electric control valve links to each other with electric cabinet respectively with second electric control valve.
The bore of tested valve is little of DN15, and greatly to DN500, system is made up of the testing table of three platform independent, and Ce Shi bore scope is DN15～DN50 respectively, DN65～DN125, DN150～DN500.Since high-precision pressure table and sensor cost height, three shared covers of testing table, each testing table all has three flexible pipes, and which bench teat is tested just in which three flexible pipes grafting.From minimum flow, enlargement discharge is to maximum gradually during test, and the measurement of each operating point after all instrument data presented are stable, is gathered inlet and outlet pressure, pressure reduction and flow value simultaneously.This test macro provides good test platform for development, demarcation, the quality inspection of valve.
As preferably, described data collector comprises industrial computer, printer, and data collector is provided with the pressure differential pressure pickup in first pressure tappings to be measured, second pressure tappings to be measured, the 3rd pressure tappings to be measured joint.Adopted computer-aided test, for closeization of sampled point provide may, so just can improve greatly and finally simulate characteristic degree of accuracy.
As preferably, be provided with temperature sensor between described data collector and the pond.CAT system not only has memory function, also possesses the function extended capability.
As preferably, set tube of pressure-stabilizing between the water pump of described some parallel connections and the pressure tappings to be measured.For reducing pressure surge, after water supply pump, enter on the preceding pipeline of testing table tube of pressure-stabilizing has been installed.
As preferably, be respectively equipped with water inlet valve between the water pump of described some parallel connections and the pond.Usefulness as pipeline work such as maintenances.
As preferably, the automatically controlled circuit of described some water pumps inserts electric cabinet through frequency converter.Operation is convenient in the electrical control part centralized management.
As preferably, have secondary instrument on the described testing table.Secondary instrument shows parameters such as pressure, pressure reduction, flow, in order to compare with the displayed value of computing machine, guarantees the correctness of test, and in order to test the valve of plurality of specifications on same testing table, afer bay is made mobilizable.
Effective effect of the present utility model is: the bore of tested valve is little of DN15, greatly to DN500; Adopted computer-aided test, for closeization of sampled point provide may, the characteristic degree of accuracy that finally simulates is improved greatly; Employing high precision electromagnetic flowmeter is also proofreaied and correct, and the tensimeter accuracy class is 0.5 grade, and thermometer resolution is not less than 0.5 ℃.
Therefore, the utility model is a kind of reasonable in design, precision height, easy to operate multi-functional valve test macro.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Among the figure: 1. pond, 2. temperature sensor, 3. water inlet valve, 4. water pump, 5. frequency converter, 6. electric cabinet, 7. industrial computer, 8. printer, 9. interface, 10. tube of pressure-stabilizing, 11. first electric control valve, 12. electromagnetic flowmeters, 13. pressure differential pressure pickups, 14. treat side valve, 15. second electric control valves.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, a kind of multi-functional valve test macro of present embodiment, be provided with testing table, testing table is placed and to be treated that the afer bay of side valve 14 makes movable support, be provided with pond 1, water pump 4, electric cabinet 6, data collector, be provided with temperature sensor 2 between data collector and the pond 1, water pump 4 parallel connections are provided with three, set a tube of pressure-stabilizing 10 between the water pump 4 of three parallel connections and the pressure tappings to be measured, be respectively equipped with water inlet valve 3 between three water pumps 4 and the pond 1, the automatically controlled circuit of all water pumps 4 inserts electric cabinets 6 through frequency converter 5.
Establish the first pressure tappings M to be measured at the delivery outlet of water pump 4, the water return outlet place in pond 1 is provided with second electric control valve 15, that be right after with second electric control valve 15 is the 3rd pressure tappings N to be measured, be provided with first electric control valve 11 at the first pressure tappings M to be measured place to the 3rd pressure tappings N direction to be measured, what link to each other with first electric control valve 11 has an electromagnetic flowmeter 12, establish between electromagnetic flowmeter 12 and the 3rd pressure tappings N to be measured and treat side valve 14 interfaces, at electromagnetic flowmeter 12 and treat to be provided with between the side valve 14 the second pressure tappings G to be measured; The circuit of first electric control valve 11 and second electric control valve 15 links to each other with electric cabinet 6 respectively.
Data collector comprises an industrial computer 7, is furnished with printer 8, and data collector is respectively equipped with pressure differential pressure pickup 13 in the first pressure tappings M to be measured, the second pressure tappings G to be measured, the 3rd pressure tappings N to be measured joint.
After water pump 4 started, water 1 flowed out from the pond, through water inlet valve 3, water pump 4, again through first electric control valve 11, electromagnetic flowmeter 12 to treating side valve 14, flow back to pond 1 through second electric control valve 15 then.
Water temperature is directly recorded from pond 1 by temperature sensor 2.The pressure point is: the first pressure tappings M to be measured records pressure P
1, the second pressure tappings G to be measured records pressure P
2, the pressure that the 3rd pressure tappings N to be measured is ordered is P
3, pressure signal P then
1, P
2, P
3And Δ P
1=P
1-P
2, Δ P
2=P
2-P
3,, gather and handle by industrial computer 7 then by interface 9 input computer testing systems by pressure differential pressure pickup 13, print data and family curve by printer 8.
During test, for fear of interference, treating that side valve 14 is 5DN from the distance of each pressure tappings, is 10DN from the distance of electromagnetic flowmeter 13 and electric control valve.
According to the operating condition of test table of compiling and editing, from minimum flow, enlargement discharge is to maximum gradually during test.The measurement of each operating point after all instrument data presented are stable, is gathered inlet and outlet pressure, pressure reduction and flow value simultaneously.Because all stop the regular hour at each sampled point, and sample rate is exceedingly fast, and therefore every parameter fluctuation has been stabilized in the scope of GB/T3216, so can obtain the measuring accuracy of expecting.
Data acquisition finishes, and only needs to click print button, can generate test report.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any structure after the simple transformation of the present utility model is all belonged to protection domain of the present utility model.
Claims (7)
1. multi-functional valve test macro, comprise testing table, pond (1), water pump (4), electric cabinet (6), data collector, it is characterized in that described water pump (4) parallel connection is provided with some, establish first pressure tappings to be measured (M) at the delivery outlet of water pump (4), the water return outlet place in pond (1) is provided with second electric control valve (15), what be right after with second electric control valve (15) is the 3rd pressure tappings to be measured (N), locate to be provided with first electric control valve (11) at first pressure tappings to be measured (M) to the 3rd pressure tappings to be measured (N) direction, what link to each other with first electric control valve (11) has an electromagnetic flowmeter (12), establish between electromagnetic flowmeter (12) and the 3rd pressure tappings to be measured (N) and treat side valve (14) interface, at electromagnetic flowmeter (12) and treat to be provided with between the side valve (14) second pressure tappings to be measured (G); The automatically controlled circuit of described water pump (4) inserts electric cabinet (6), and first electric control valve (11) links to each other with electric cabinet (6) respectively with second electric control valve (15).
2. multi-functional valve test macro according to claim 1, it is characterized in that described data collector comprises industrial computer (7), printer (8), data collector is provided with pressure differential pressure pickup (13) in first pressure tappings to be measured (M), second pressure tappings to be measured (G), the 3rd pressure tappings to be measured (N) joint.
3. multi-functional valve test macro according to claim 1 and 2 is characterized in that being provided with between described data collector and the pond (1) temperature sensor (2).
4. multi-functional valve test macro according to claim 1 is characterized in that setting tube of pressure-stabilizing (10) between the water pump (4) of described some parallel connections and the pressure tappings to be measured.
5. according to claim 1 or 4 described multi-functional valve test macros, it is characterized in that being respectively equipped with water inlet valve (3) between the water pump (4) of described some parallel connections and pond (1).
6. according to claim 1 or 4 described multi-functional valve test macros, it is characterized in that the automatically controlled circuit of described some water pumps (4) inserts electric cabinet (6) through frequency converter (5).
7. multi-functional valve test macro according to claim 1 is characterized in that having secondary instrument on the described testing table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020535215 CN201803838U (en) | 2010-09-20 | 2010-09-20 | Multifunctional valve testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020535215 CN201803838U (en) | 2010-09-20 | 2010-09-20 | Multifunctional valve testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803838U true CN201803838U (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020535215 Expired - Fee Related CN201803838U (en) | 2010-09-20 | 2010-09-20 | Multifunctional valve testing system |
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| Country | Link |
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| CN (1) | CN201803838U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155470A (en) * | 2011-05-27 | 2011-08-17 | 常德中联重科液压有限公司 | Automatic detection and debugging system and method of hydraulic valve |
| CN103123301A (en) * | 2013-01-28 | 2013-05-29 | 福建海洋铜业有限公司 | Multifunctional valve dynamic detection device |
| CN105300614A (en) * | 2015-11-25 | 2016-02-03 | 江南工业集团有限公司 | Vehicle LNG gas cylinder multifunctional valve test system and test method |
| CN105424264A (en) * | 2015-12-28 | 2016-03-23 | 北航温州研究院 | Valve flow and flow resistance coefficient detection device |
| CN105448358A (en) * | 2015-11-10 | 2016-03-30 | 中广核工程有限公司 | High-temperature test method and device for beyond design basis pressure relieve valve in nuclear power plant |
| CN106706283A (en) * | 2016-11-15 | 2017-05-24 | 安徽皖拓自动化有限公司 | Automatic pressure tapping device |
-
2010
- 2010-09-20 CN CN 201020535215 patent/CN201803838U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155470A (en) * | 2011-05-27 | 2011-08-17 | 常德中联重科液压有限公司 | Automatic detection and debugging system and method of hydraulic valve |
| CN102155470B (en) * | 2011-05-27 | 2013-07-31 | 常德中联重科液压有限公司 | Automatic detection and debugging system and method of hydraulic valve |
| CN103123301A (en) * | 2013-01-28 | 2013-05-29 | 福建海洋铜业有限公司 | Multifunctional valve dynamic detection device |
| CN103123301B (en) * | 2013-01-28 | 2015-09-23 | 福建省海洋阀门科技有限公司 | Multifunctional valve dynamic detection device |
| CN105448358A (en) * | 2015-11-10 | 2016-03-30 | 中广核工程有限公司 | High-temperature test method and device for beyond design basis pressure relieve valve in nuclear power plant |
| CN105448358B (en) * | 2015-11-10 | 2018-06-15 | 中广核工程有限公司 | The hot test method and device of nuclear power station beyond design basis accident pressure relief valve |
| CN105300614A (en) * | 2015-11-25 | 2016-02-03 | 江南工业集团有限公司 | Vehicle LNG gas cylinder multifunctional valve test system and test method |
| CN105300614B (en) * | 2015-11-25 | 2018-07-13 | 江南工业集团有限公司 | A kind of automobile-used LNG gas cylinders multifunction valve test system and test method |
| CN105424264A (en) * | 2015-12-28 | 2016-03-23 | 北航温州研究院 | Valve flow and flow resistance coefficient detection device |
| CN106706283A (en) * | 2016-11-15 | 2017-05-24 | 安徽皖拓自动化有限公司 | Automatic pressure tapping device |
| CN106706283B (en) * | 2016-11-15 | 2019-04-19 | 安徽皖拓自动化有限公司 | A kind of automatic pressure obtaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20170920 |