CN202554795U - Test-control system for hydraulic test - Google Patents

Test-control system for hydraulic test Download PDF

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Publication number
CN202554795U
CN202554795U CN2012201597995U CN201220159799U CN202554795U CN 202554795 U CN202554795 U CN 202554795U CN 2012201597995 U CN2012201597995 U CN 2012201597995U CN 201220159799 U CN201220159799 U CN 201220159799U CN 202554795 U CN202554795 U CN 202554795U
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China
Prior art keywords
valve
booster pump
plc
test
pipeline
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Expired - Fee Related
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CN2012201597995U
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Chinese (zh)
Inventor
高云升
赵青松
盛彦锋
卢政强
刘连喜
杨震铭
啜凤英
董海斌
马建琴
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Tianjin Fire Fighting Institute Ministry of Public Security
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Tianjin Fire Fighting Institute Ministry of Public Security
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Priority to CN2012201597995U priority Critical patent/CN202554795U/en
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Publication of CN202554795U publication Critical patent/CN202554795U/en
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Abstract

The utility model relates to a test-control system for a hydraulic test. A control part of the system is composed of a programmable logic controller (PLC) cabinet, an industrial personal computer (IPC), and a printer. The PLC cabinet comprises a PLC, the IPC serves as an upper computer of the PLC, and the PLC cabinet and the IPC are connected through a communication cable. A test-control pipeline part comprises an air supply pipeline, a gas booster A, a gas booster B, a liquid-source supply pipeline, high-hydraulic pressure output pipeline and a liquid unloading pipeline. The PLC outputs a current control signal to the control end of an electric proportional valve. The electric proportion valve outputs an air pressure signal in proportion according to the current control signal and controls the air pressure and air flow by adjusting an air inlet valve position. The test-control system can conduct a plurality of pressure tests, such as intensity tests, blasting tests of safe relief devices of containers, and residual deformation ratio tests of the containers. Rate of pressure rise can be adjusted, and real-time pressure changes are detected and are output through dynamic curves. The test-control system for the hydraulic test is high in pressure-control precision, small in size, light in weight, little in energy consumption and capable of being pressurized at multiple levels, high in reliability, high in precision and easy to operate.

Description

A kind of hydraulic test TT&C system
Technical field
The utility model relates to the fire product inspection machine, particularly a kind of hydraulic test TT&C system, be used to realize manually or carry out multiple hydraulic test, explosion bulge test automatically, the rate of residual test is a kind of equipment of purpose.
Background technology
The hydraulic test TT&C system is the development of decades at home; Technology is ripe gradually, though the part key components and parts still need import, some low Press fitting and corresponding software can be realized homemade at present; In addition; Because price factor, except that the enterprise that possesses certain economic strength used this system, majority all adopted old-fashioned hydraulic pressure TT&C system.
Most of old-fashioned hydraulic pressure TT&C system exists following problem:
1, can not realize automatic control, need manually control; 2, rate of pressure rise can not be regulated automatically, all adopts same rate of pressure rise test to products of different specifications, does not meet the fire product standard-required; 3, volume is big, noise is big, energy consumption is high.
Summary of the invention
The utility model is to the deficiency of old-fashioned hydraulic pressure TT&C system; A kind of design of fire product hydraulic test TT&C system is provided; Be used for overcoming the deficiency that prior art exists, realize the automatic controlling level of hydraulic test, explosion bulge test, rate of residual test.
The utility model is to realize through such technical scheme: a kind of hydraulic test TT&C system, its sign are, comprise that systems control division divides and the observing and controlling pipeline portions;
Said systems control division divides and is made up of PLC switch board, industrial computer and printer, comprises PLC in the PLC switch board, and industrial computer connects through communication cable between them as the host computer of PLC;
PLC connects pressure sensor through its analog quantity input port;
PLC connects the electric Proportion valve control end through its analog quantity output port;
PLC connects solenoid directional control valve A, solenoid directional control valve B through its digital quantity output port;
Electric Proportion valve, solenoid directional control valve A, solenoid directional control valve B and pressure sensor are installed in respectively on the observing and controlling pipeline;
Said observing and controlling pipeline portions comprises source of the gas supply line, gas drive booster pump A, gas drive booster pump B, liquid source supply line, high hydraulic pressure output pipe and liquid off-load pipeline;
Said source of the gas supply line comprises from one section pipeline of source of the gas to gas drive booster pump A intake interface and gas drive booster pump B intake interface, air cleaner, electric Proportion valve, manual three-way valve, driving air gauge, oil sprayer and solenoid directional control valve A is installed on this pipeline successively;
Branch road of parallel connection between filter and the manual three-way valve is installed a driving pressure regulator valve on the branch road, the gas outlet that drives pressure regulator valve connects an interface of manual three-way valve;
Two interfaces of giving vent to anger of solenoid directional control valve A connect the intake interface of gas drive booster pump A and the intake interface of gas drive booster pump B respectively;
PLC current signal output end in the PLC switch board is connected with the electric Proportion valve control end;
Said liquid source supply line comprises from one section pipeline of liquid source to gas drive booster pump A feed liquor interface and gas drive booster pump B feed liquor interface, water tank and filter is installed on this pipeline successively; The liquid source interface connects the water tank import, and the water tank outlet connects filter inlet, filter) outlet connection gas drive booster pump A feed liquor interface and gas drive booster pump B feed liquor interface;
Said high hydraulic pressure output pipe comprises from gas drive booster pump A and goes out the pipeline that liquid interface and gas drive booster pump B fluid are interfaced to test lead;
The drain pipe of gas drive booster pump A drain pipe and gas drive booster pump B is incorporated on the person in charge after being attempted by same node;
Gas drive booster pump A drain pipe to and connect high-pressure manometer be installed between the node;
Gas drive booster pump B drain pipe to and connect check valve be installed between the node;
High hydraulic pressure output pipe is responsible for and is gone up setting pressure sensors A, some test stop valves and corresponding with it some high pressure delivery outlets;
Test stop valve A connects high pressure delivery outlet A, on the pipeline between test stop valve A and the high pressure delivery outlet A accumulator, safety overflow valve and pressure sensor B is installed;
Test stop valve B connects high pressure delivery outlet B;
The test shutoff valve C connects high pressure delivery outlet C;
Test stop valve D connects high pressure delivery outlet D;
Test stop valve E connects high pressure delivery outlet E, and high pressure delivery outlet E connects Steel Tube Special, connects container to be tried through Steel Tube Special, and container to be tried is seated in the explosion-proof tank water jacket;
Comprise water jacket air bleeding valve, drain valve, explosion bolt, water intaking valve and liquid source interface on the explosion-proof tank water jacket;
The delivery pipe mouth of pipe underlying that is connected with drain valve is cup high-volume, and measuring cup is seated on the Precision Electronics Balance;
High hydraulic pressure output pipe is responsible for and is connected liquid off-load pipeline;
Said liquid off-load pipeline comprises that liquid off-load pipeline is installed pressure regulator valve, unloader, solenoid directional control valve B, Pneumatic valve and unloader successively from the pipeline between the paramount hydraulic pressure output pipe person in charge of the filter of source of the gas supply line;
PLC is electrically connected in the PLC switch board that solenoid directional control valve B and systems control division divide.
The beneficial effect of the utility model is: owing to adopted this hydraulic test TT&C system technical scheme, realized carrying out multiple pressure test: strength test, vessel safety bleeder explosion test and the test of container rate of residual; Automatic (manually) control in the fire product hydraulic test, the two is independent mutually, can use separately; Rate of pressure rise is adjustable, and detected pressures changes in real time, performance graph output; The pressure control precision is high, volume is little, in light weight, noise is little, energy consumption is little; Can carry out multistage pressurization; Computer shows test process and printing test result; Have high reliability, high accuracy, characteristics such as easy to operate.
Description of drawings
Fig. 1 is the utility model structure chart;
Among the figure: 1. liquid source, 2. source of the gas, 3. air cleaner, 4. electric Proportion valve 5. drives pressure regulator valve, and 6. manual three-way valve 7. drives air gauge; 8. oil sprayer, 9. solenoid directional control valve A, 10. PLC switch board, 11. industrial computers, 12. printers, 13. gas drive booster pump A, 131. gas drive booster pump B; 14. high-pressure manometer, 15. check valves, 16. pressure sensor A, 17. Pneumatic valves, 18. unloaders, 19. test stop valve A, 20. accumulators; 21. safety overflow valve, 22. high pressure delivery outlet A, 23. pressure sensor B, 24. test stop valve B, 25. high pressure delivery outlet B, 26. test shutoff valve C, 27. high pressure delivery outlet C; 28. test stop valve D, 29. high pressure delivery outlet D, 30. test stop valve E, 31. high pressure delivery outlet E, 32. Steel Tube Specials, 33. water jacket air bleeding valves, 34. measuring cups; 35. Precision Electronics Balance, 36. drain valves, 37. explosion-proof tank water jackets, 38. explosion bolts, 39. containers to be tried, 40. water intaking valves; 41. the liquid source interface, 42. solenoid directional control valve B, 43. filters, 44. unloaders, 45. water tanks, 46. pressure regulator valves.
The specific embodiment
Understand the utility model for clearer, describe in detail in conjunction with accompanying drawing and embodiment:
As shown in Figure 1, a kind of hydraulic test TT&C system comprises that systems control division divides and the observing and controlling pipeline portions; Systems control division divides and is made up of PLC switch board 10, industrial computer 11 and printer 12, comprises PLC in the PLC switch board 10, and industrial computer 11 connects through communication cable between them as the host computer of PLC;
PLC connects pressure sensor 16 through its analog quantity input port, gathers line pressure signal;
PLC connects electric Proportion valve 4 control ends through its analog quantity output port; The output current control signal;
PLC connects solenoid directional control valve A9, solenoid directional control valve B42 through its digital quantity output port; Output digital switch signal;
Electric Proportion valve 4, solenoid directional control valve A9, solenoid directional control valve B42 and pressure sensor 16 are installed in respectively on the observing and controlling pipeline;
Said observing and controlling pipeline portions comprises source of the gas supply line, gas drive booster pump A13, gas drive booster pump B131, liquid source supply line, high hydraulic pressure output pipe and liquid off-load pipeline;
Said source of the gas supply line comprises from one section pipeline of source of the gas 2 to gas drive booster pump A13 intake interface and gas drive booster pump B131 intake interface, air cleaner 3, electric Proportion valve 4, manual three-way valve 6 is installed on this pipeline successively, is driven air gauge 7, oil sprayer 8 and solenoid directional control valve A9;
Branch road of parallel connection between filter 3 and the manual three-way valve 6 is installed a driving pressure regulator valve 5 on the branch road, the gas outlet that drives pressure regulator valve 5 connects an interface of manual three-way valve 6;
Two interfaces of giving vent to anger of solenoid directional control valve A9 connect the intake interface of gas drive booster pump A13 and the intake interface of gas drive booster pump B131 respectively; A9 switches the gas flow outlet by the control of the PLC in the PLC switch board 10 solenoid directional control valve, and decision gas gets into gas drive booster pump A13 or gets into gas drive booster pump B131;
PLC in the PLC switch board 10 is to electric Proportion valve 4 control end output current control signals, and 4 of electric Proportion valves are according to current controling signal, and the air pressure signal of output is controlled air pressure and gas flow through adjustment air inlet valve position in proportion;
Liquid source supply line comprises from one section pipeline of liquid source 1 to gas drive booster pump A13 feed liquor interface and gas drive booster pump B131 feed liquor interface, and water tank 45 and filter 43 are installed on this pipeline successively; The liquid source interface connects water tank 45 imports, and water tank 45 outlets connect filter 43 imports, and filter 43 outlets connect gas drive booster pump A13 feed liquor interface and gas drive booster pump B131 feed liquor interface;
High hydraulic pressure output pipe comprises from gas drive booster pump A13 and goes out the pipeline that liquid interface and gas drive booster pump B131 fluid are interfaced to test lead;
The drain pipe of gas drive booster pump A13 drain pipe and gas drive booster pump B131 is incorporated on the person in charge after being attempted by same node;
Gas drive booster pump A13 drain pipe to and connect between the node high-pressure manometer 14 be installed;
Gas drive booster pump B131 drain pipe to and connect between the node check valve 15 be installed;
High hydraulic pressure output pipe is responsible for and is gone up setting pressure sensors A 16, some test stop valves and corresponding with it some high pressure delivery outlets;
Test stop valve A19 connects high pressure delivery outlet A22, and accumulator 20, safety overflow valve 21 and pressure sensor B23 are installed on the pipeline between test stop valve A19 and the high pressure delivery outlet A22;
Test stop valve B24 connects high pressure delivery outlet B25;
Test shutoff valve C 26 connects high pressure delivery outlet C27;
Test stop valve D28 connects high pressure delivery outlet D29;
Test stop valve E30 connects high pressure delivery outlet E31, and high pressure delivery outlet E31 connects Steel Tube Special 32, connects through Steel Tube Special 32 and waits to try container 39, waits to try container 39 and is seated in the explosion-proof tank water jacket 37;
Comprise water jacket air bleeding valve 33, drain valve 36, explosion bolt 38, water intaking valve 40 and liquid source interface 41 on the explosion-proof tank water jacket 37;
The delivery pipe mouth of pipe underlying that is connected with drain valve 36 is cup 34 high-volume, and measuring cup 34 is seated on the Precision Electronics Balance 35;
High hydraulic pressure output pipe is responsible for and is connected liquid off-load pipeline;
Said liquid off-load pipeline comprises from the pipeline between the filter 3 paramount hydraulic pressure output pipes persons in charge of source of the gas supply line, pressure regulator valve 46, unloader 44, solenoid directional control valve B42, Pneumatic valve 17 and unloader 18 is installed on the liquid off-load pipeline successively;
Solenoid directional control valve B42 receives the control of PLC in the PLC switch board 10 that systems control division divides;
When making an experiment, at first will wait to try on the interface that container 39 is installed in associated Steel Tube Special 32 in the explosion-proof tank water jacket 37;
Regulate corresponding test stop valve then, guarantee to test pipeline and be in unimpeded state, other not test (N.T.) pipeline is in closed condition;
Open the hydraulic test TT&C system: open liquid source 1 and source of the gas 2, source of the gas 2 pressure are set at hydraulic pressure TT&C system operating pressure;
Preestablish the safety relief device test pressure, make the supercharging simultaneously of two gas drive booster pumps, and set the switching pressure of two gas drive booster pumps;
When reaching the switching force value, the cut-out low-lift pump is gas drive booster pump B131 under PLC control, and B131 is out of service for source of the gas gas drive booster pump; High-pressure pump is that gas drive booster pump A13 continues operation, regulates electric Proportion valve 4 by PLC, and the output pressure signal is adjusted the air inlet valve position in proportion, control air pressure and gas flow;
Through industrial computer 11 set the gas drive booster pumps the startup initial pressure, set rate of pressure rise, set time parameter, the pressure parameter of display interface, after parameter configures, preserve the parameter setting, confirm that the back start-up system makes an experiment; Reinstall test specimen after the test and carry out test next time.
The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is equal to replacement or changes according to the technical scheme of the utility model and utility model design thereof in the technical scope that the utility model discloses, and all should be encompassed within the protection domain of the utility model.
According to above-mentioned explanation, can realize the scheme of the utility model in conjunction with art technology.

Claims (1)

1. hydraulic test TT&C system, its sign are, comprise that systems control division divides and the observing and controlling pipeline portions; Said systems control division divides and is made up of PLC switch board (10), industrial computer (11) and printer (12), and the PLC switch board comprises PLC in (10), and industrial computer (11) connects through communication cable between them as the host computer of PLC; PLC connects pressure sensor (16) through its analog quantity input port; PLC connects electric Proportion valve (4) control end through its analog quantity output port;
PLC connects solenoid directional control valve A (9), solenoid directional control valve B (42) through its digital quantity output port; Electric Proportion valve (4), solenoid directional control valve A (9), solenoid directional control valve B (42) and pressure sensor (16) are installed in respectively on the observing and controlling pipeline; Said observing and controlling pipeline portions comprises source of the gas supply line, gas drive booster pump A (13), gas drive booster pump B (131), liquid source supply line, high hydraulic pressure output pipe and liquid off-load pipeline; Said source of the gas supply line comprises from one section pipeline of source of the gas (2) to gas drive booster pump A (13) intake interface and gas drive booster pump B (131) intake interface, air cleaner (3), electric Proportion valve (4), manual three-way valve (6) is installed on this pipeline successively, is driven air gauge (7), oil sprayer (8) and solenoid directional control valve A (9); Branch road of parallel connection between filter (3) and the manual three-way valve (6) is installed a driving pressure regulator valve (5) on the branch road, the gas outlet that drives pressure regulator valve (5) connects an interface of manual three-way valve (6); Two interfaces of giving vent to anger of solenoid directional control valve A (9) connect the intake interface of gas drive booster pump A (13) and the intake interface of gas drive booster pump B (131) respectively; PLC current signal output end in the PLC switch board (10) is connected with electric Proportion valve (4) control end; Said liquid source supply line comprises from one section pipeline of liquid source (1) to gas drive booster pump A (13) feed liquor interface and gas drive booster pump B (131) feed liquor interface, water tank (45) and filter (43) is installed on this pipeline successively; The liquid source interface connects water tank (45) import, and water tank (45) outlet connects filter (43) import, and filter (43) outlet connects gas drive booster pump A (13) feed liquor interface and gas drive booster pump B (131) feed liquor interface; Said high hydraulic pressure output pipe comprises from gas drive booster pump A (13) and goes out the pipeline that liquid interface and gas drive booster pump B (131) fluid are interfaced to test lead; The drain pipe of gas drive booster pump A (13) drain pipe and gas drive booster pump B (131) is incorporated on the person in charge after being attempted by same node; Gas drive booster pump A (13) drain pipe to and connect high-pressure manometer (14) be installed between the node; Gas drive booster pump B (131) drain pipe to and connect check valve (15) be installed between the node; High hydraulic pressure output pipe is responsible for and is gone up setting pressure sensors A (16), some test stop valves and corresponding with it some high pressure delivery outlets; Test stop valve A (19) connects high pressure delivery outlet A (22), on the pipeline between test stop valve A (19) and the high pressure delivery outlet A (22) accumulator (20), safety overflow valve (21) and pressure sensor B (23) is installed; Test stop valve B (24) connects high pressure delivery outlet B (25); Test shutoff valve C (26) connects high pressure delivery outlet C (27); Test stop valve D (28) connects high pressure delivery outlet D (29); Test stop valve E (30) connects high pressure delivery outlet E (31), and high pressure delivery outlet E (31) connects Steel Tube Special (32), connects container to be tried (39) through Steel Tube Special (32), and container to be tried (39) is seated in the explosion-proof tank water jacket (37); Comprise water jacket air bleeding valve (33), drain valve (36), explosion bolt (38), water intaking valve (40) and liquid source interface (41) on the explosion-proof tank water jacket (37); The delivery pipe mouth of pipe underlying that is connected with drain valve (36) is cup (34) high-volume, and measuring cup (34) is seated on the Precision Electronics Balance (35); High hydraulic pressure output pipe is responsible for and is connected liquid off-load pipeline; Said liquid off-load pipeline comprises that liquid off-load pipeline is installed pressure regulator valve (46), unloader (44), solenoid directional control valve B (42), Pneumatic valve (17) and unloader (18) successively from the pipeline between the paramount hydraulic pressure output pipe person in charge of the filter (3) of source of the gas supply line; Solenoid directional control valve B (42) and the middle PLC of PLC switch board (10) that systems control division divides are electrically connected.
CN2012201597995U 2012-04-16 2012-04-16 Test-control system for hydraulic test Expired - Fee Related CN202554795U (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102607960A (en) * 2012-04-16 2012-07-25 公安部天津消防研究所 Measurement and control system for hydraulic test
CN103472761A (en) * 2013-09-10 2013-12-25 上海大众汽车有限公司 Aerodynamic force loading closed-loop control device and method
CN105179380A (en) * 2015-10-20 2015-12-23 航天科工哈尔滨风华有限公司电站设备分公司 Automatic hydraulic pump pressure-adjusting system test platform
CN105628501A (en) * 2014-10-09 2016-06-01 中国科学院地质与地球物理研究所 True triaxial hydraulic fracturing rock mechanical test system
CN106547246A (en) * 2015-09-18 2017-03-29 中国计量学院 The quick loading control method of electric cylinder pressure high accuracy
CN108051321A (en) * 2017-12-20 2018-05-18 广东核电合营有限公司 A kind of cladding tubes internal pressure explosion bulge test device and its test method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102607960A (en) * 2012-04-16 2012-07-25 公安部天津消防研究所 Measurement and control system for hydraulic test
CN102607960B (en) * 2012-04-16 2013-10-02 公安部天津消防研究所 Measurement and control system for hydraulic test
CN103472761A (en) * 2013-09-10 2013-12-25 上海大众汽车有限公司 Aerodynamic force loading closed-loop control device and method
CN105628501A (en) * 2014-10-09 2016-06-01 中国科学院地质与地球物理研究所 True triaxial hydraulic fracturing rock mechanical test system
CN105628501B (en) * 2014-10-09 2019-09-24 中国科学院地质与地球物理研究所 True triaxial hydrofracturing rock mechanics testing system
CN106547246A (en) * 2015-09-18 2017-03-29 中国计量学院 The quick loading control method of electric cylinder pressure high accuracy
CN106547246B (en) * 2015-09-18 2019-05-17 中国计量学院 The quick loading control method of electric cylinder pressure high-precision
CN105179380A (en) * 2015-10-20 2015-12-23 航天科工哈尔滨风华有限公司电站设备分公司 Automatic hydraulic pump pressure-adjusting system test platform
CN108051321A (en) * 2017-12-20 2018-05-18 广东核电合营有限公司 A kind of cladding tubes internal pressure explosion bulge test device and its test method
CN108051321B (en) * 2017-12-20 2023-08-25 广东核电合营有限公司 Internal pressure explosion test device and test method for cladding tube

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Granted publication date: 20121128

Termination date: 20140416