CN1083589A - The pressure container fatigue test device of closed loop - Google Patents
The pressure container fatigue test device of closed loop Download PDFInfo
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- CN1083589A CN1083589A CN 93112433 CN93112433A CN1083589A CN 1083589 A CN1083589 A CN 1083589A CN 93112433 CN93112433 CN 93112433 CN 93112433 A CN93112433 A CN 93112433A CN 1083589 A CN1083589 A CN 1083589A
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Abstract
A kind of pressure container fatigue test device of closed loop, it is characterized in that being provided with computer control system and with the electromagnetic proportion relief valve 8 of this system's control, can produce multiple fuel pressure waves such as sine wave, triangular wave, sawtooth wave, square wave, trapezoidal wave and random waveform, parameters such as the frequency of these waveforms, amplitude, rise time, flat-top time, fall time all computer software preestablish, test figure is by computing machine output and automatic record, can improve the authenticity and the automaticity of simulation test effectively, reduce noise simultaneously.
Description
The present invention relates to a kind of pressure container fatigue test device.
In the pressure vessel use, because the prolonged and repeated variation of internal pressure, it is tired to cause pressure vessel to produce, and for guaranteeing the safe handling of pressure vessel, manufacturer must do necessary torture test to all kinds of pressure vessels according to national technical standard.
At present, pressure container fatigue test device adopts the control mode of open loop type, this device comprises the high-pressure oil pump 1 that is driven by motor M, the fuel tank 2 of band heat interchanger F, accumulator 3, electro-hydraulic reversing valve 4,4 ', retaining valve 5,5 ', surplus valve 6,6 ', tensimeter 7, pressure vessel H, K switch 1, K2 and connecting tube.As shown in Figure 1, be connected with pipeline L1 between high-pressure oil pump 1 and electro-hydraulic reversing valve 4 imports, electro-hydraulic reversing valve 4 outlet A ' usefulness pipeline L2 cut-in pressure container H, the import B of electro-hydraulic reversing valve 4 connects fuel tank 2, the import that its outlet B ' receives retaining valve 5, be connected by pipeline L3 between retaining valve 5 outlet and accumulator 3 imports, accumulator 3 outlets are received fuel tank 2 through K switch, be connected in series between pipeline L3 and the L3 electro-hydraulic reversing valve 4 ' and retaining valve 5 ', pipeline L1 connects fuel tank 2 through surplus valve 6, and tensimeter 7 is connected pipeline L2 through K switch 2, and pipeline L3 is through surplus valve 6 ' connection fuel tank 2, fuel tank 2 is communicated with high-pressure oil pump 1, and the heat interchanger F that is contained on the fuel tank 2 is heat eliminating medium with water.
The oil that high-pressure oil pump comes out is delivered to pressure vessel H by pipeline L1, electro-hydraulic reversing valve 4, pipeline L2, and this moment, container boosted; When electro-hydraulic reversing valve 4 is converted to import A and outlet B ' when communicating, the oil that electro-hydraulic reversing valve 4 comes out is delivered to accumulator 3 through pipeline 3, and meanwhile, the outlet A ' of electro-hydraulic reversing valve 5 communicates with import B, and the oil among the pressure vessel H is got back to fuel tank 2, the pressure vessel step-down; 4,4 ' once more conversions of electricity liquid commutator, the oil that comes out through pipeline L1, electro-hydraulic reversing valve 4, pipeline L3 and accumulator 3 that high-pressure oil pump 1 comes out through pipeline L3, electro-hydraulic reversing valve 4 ', retaining valve 5 ', pipeline L2 delivers to pressure vessel H simultaneously, and pressure vessel H is boosted fast; By electro-hydraulic reversing valve 4,4 ' state exchange, pressure vessel H by certain frequency boost repeatedly, step-down.When the over proof working pressure of pressure, surplus valve 6,6 ' generation overflow makes pressure keep constant.
The pressure container fatigue test device of open loop type can only simulate triangular wave, sawtooth wave load, and simulation precision is lower, can not simulation load changes in amplitude and random fatigue test.
The object of the present invention is to provide a kind of pressure container fatigue test device of closed loop, the electromagnetic proportion relief valve of appliance computer control system control produces working pressure, frequency and the periodicity that the required oil pressure of test loads waveform, waveform, improves the authenticity and the automaticity of simulation test.
The layout of this test unit is shown in Fig. 1, on the basis of existing open loop type pressure container fatigue test device, has set up the electromagnetic proportion relief valve by computer control system control, and Fig. 2 is the structured flowchart of this computer control system.
This test unit comprises the high-pressure oil pump 1 that is driven by motor M, the fuel tank 2 of band heat interchanger F, accumulator 3, electro-hydraulic reversing valve 4,4 ', retaining valve 5,5 ', surplus valve 6,6 ', tensimeter 7, pressure vessel H, K switch 1, K2 and connecting tube, the connected mode of pressing the pressure container fatigue test device of open loop type between these parts connects, the invention is characterized in: be provided with by microcomputer J, interface board 11, proportioning valve amplifier 12, pressure transducer 13, computer control system and electromagnetic proportion relief valve 8 that temperature transmitter 14 and I/V change-over panel 14 are formed, wherein microcomputer J adopts COMPAQ 386, interface board 11 is PCL-812, proportioning valve amplifier 12 is BM-1, electricity liquid ratio relief valve 8 is BY-H16, pressure transducer 13 is ZQ-Y1/50, temperature transmitter 14 is DBW-130, I/V change-over panel 15 is current/voltage change-over panel commonly used, wherein PCL-812 interface board 11 is inserted on the PC bus notch of COMPAQ-386 microcomputer J, the CN2 pin (13) "+" of PCL-812 interface board 11 and pin (14) " " respectively with the pin (18) (outside 0～5V input end) of 18 core sockets of BM-1 proportioning valve amplifier 12 and pin 7. (internally) be connected, (12) (load "+") of 18 core sockets of BM-1 proportional amplifier 12 and pin (13) (load "-") connect respectively BY-H16 electromagnetic proportion relief valve 82 core joints pin 1. with pin 2., be connected with pipeline between electromagnetic proportion relief valve 8 and pressure vessel H and the pressure transducer 13,5 its pin of core socket of ZQ-Y1/50 pressure transducer 13 are (signal "+") 2., pin is (signal "-") pin 1. (mv "+") of connecing DBW-130 temperature transmitter 14 terminal strips respectively 4., pin is (mv "-") 4., its pin is (power supply "+") 1., pin 3. (power supply "-") connects the pin 7. (internally) of 18 core sockets of BM-1 proportional amplifier 12 respectively, pin 6. (9v), the receptacle pin of ZQ-Y1/50 pressure transducer 13 is (shell) ground connection 5., the pin of DBW-130 temperature transmitter 14 terminal strips is (mA exports "+") 9., pin 10. (mA exports "-") connects I/V change-over panel 15 input "+" respectively and imports "-" (hold), utilize 20 core flat cable edge connectoies, the output "+" of I/V change-over panel 15 end and " " end connect PCL-812 interface board 11 respectively the CN2 pin 1. with 2. (A/D path 10 of pin
#"+" and " ").
Export necessarily required fuel pressure wave by COMPAQ-386 microcomputer J by PCL-812 interface board 11, as sine wave, sawtooth wave, triangular wave, square wave, trapezoidal wave and random waveform etc., the frequency of these waveforms, amplitude, rise time, flat-top time, fall time etc. are all set by computer software, this waveform is added to BM-1 proportional amplifier 12 outputs 0～800mA working current, make BY-H16 electromagnetic proportion relief valve 8 produce corresponding pressure waveform, distortion for the nonlinear characteristic of this surplus valve 8 causes is compensated with software in advance.Then, pressure transducer 13 detects and output millivolt waveform signal, form 0～10mA current waveform by temperature transmitter 14, convert voltage signal to through I/V change-over panel 15, A/D passage by PCL-812 interface board 11 reads in microcomputer J, on the CRT of microcomputer, show, and show with the output of former output and to compare.
With prior art relatively, the present invention has the following advantages:
1. can produce the required various fuel pressure waves of test, as sine wave, triangular wave, sawtooth wave, square wave, trapezoidal wave and random waveform etc., satisfying multiple different tests content needs, and prior art can only produce triangular wave and sawtooth wave.
2. parameters such as the frequency of above-mentioned waveform, amplitude, rise time, flat-top time, fall time are all preestablished by computer software, have improved the authenticity of simulation test.
3. the simulation test data have improved the automaticity of test by computing machine output and automatic record.
4. owing to do not continue action after reversal valve 4,4 ' starting, thus reduction noise improvement working environment.
Claims (1)
1, a kind of pressure container fatigue test device of closed loop, comprise the high-pressure oil pump 1 that drives by motor M, the fuel tank 2 of band heat interchanger F, accumulator 3, electro-hydraulic reversing valve 4,4 ', retaining valve 5,5 ', surplus valve 6,6 ', tensimeter 7, pressure vessel H, K switch 1, K2 and connecting tube, the connected mode of pressing the open loop type pressure container fatigue test device between these parts connects, it is characterized in that: be provided with by microcomputer J, interface board 11, proportioning valve amplifier 12, pressure transducer 13, computer control system that temperature transmitter 14 and I/V change-over panel 15 are formed and the electromagnetic proportion relief valve of controlling with this system 8, wherein microcomputer J adopts COMPAQ386, interface board 11 is PCL-812, proportioning valve amplifier 12 is BM-1, electricity liquid ratio relief valve 8 is BY-H16, pressure transducer 13 is ZQ-Y1/50, temperature transmitter 14 is DBW-130, I/V change-over panel 15 is current/voltage change-over panel commonly used, wherein PCL-812 interface board 11 is inserted on the PC bus notch of COMPAQ-386 microcomputer J, the CN2 pin (13) "+" of PCL-812 interface board 11 and pin (14) " " respectively with the pin (18) (outside 0～5V input end) of 18 core sockets of BM-1 proportioning valve amplifier 12 and pin 7. (internally) be connected, (12) (load "+") of 18 core sockets of BM-1 proportional amplifier 12 and pin (13) (load "-") connect respectively BY-H16 electromagnetic proportion relief valve 82 core joints pin 1. with pin 2., be connected with pipeline between electromagnetic proportion relief valve 8 and pressure vessel H and the pressure transducer 13,5 its pin of core socket of ZQ-Y1/50 pressure transducer 13 are (signal "+") 2., pin is (signal "-") pin 1. (mv "+") of connecing DBW-130 temperature transmitter 14 terminal strips respectively 4., pin is (mv "-") 4., its pin is (power supply "+") 1., pin 3. (power supply "-") connects the pin 7. (internally) of 18 core sockets of BM-1 proportional amplifier 12 respectively, pin 6. (9V), the receptacle pin of ZQ-Y1/50 pressure transducer 13 is (shell) ground connection 5., the pin of DBW-130 temperature transmitter 14 terminal strips is (mA exports "+") 9., pin 10. (mA exports "-") connects I/V change-over panel 15 input "+" respectively and imports "-" (hold), utilize 20 core flat cable edge connectoies, the output "+" of I/V change-over panel 15 end and " " end connect PCL-812 interface board 11 respectively the CN2 pin 1. with 2. (A/D path 10 of pin
#"+" and " ").
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93112433 CN1034194C (en) | 1993-05-14 | 1993-05-14 | Closed-circuit pressure container fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93112433 CN1034194C (en) | 1993-05-14 | 1993-05-14 | Closed-circuit pressure container fatigue test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1083589A true CN1083589A (en) | 1994-03-09 |
| CN1034194C CN1034194C (en) | 1997-03-05 |
Family
ID=4990046
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93112433 Expired - Fee Related CN1034194C (en) | 1993-05-14 | 1993-05-14 | Closed-circuit pressure container fatigue test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1034194C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498636B (en) * | 2009-01-16 | 2011-04-27 | 大连理工大学 | Inspection apparatus and method for multifunctional pressure container |
| CN102042847A (en) * | 2010-10-29 | 2011-05-04 | 安徽士必达液压器材有限公司 | High-voltage pulse test system |
| CN102192859A (en) * | 2011-04-02 | 2011-09-21 | 常州大学 | Pressure container corrosion fatigue testing device with closed-loop control |
| CN102374954A (en) * | 2011-09-21 | 2012-03-14 | 大连理工大学 | Container pressure-circulation testing device and method |
| 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 |
| CN105510140B (en) * | 2015-11-30 | 2018-03-06 | 合肥通用机械研究院有限公司 | A kind of pressure-resistant explosion bulge test system and method for low-temperature deep pressure vessel |
| DE102018201494A1 (en) * | 2018-01-31 | 2019-08-01 | Bayerische Motoren Werke Aktiengesellschaft | Test device for cyclic pressure loading of at least one pressure vessel |
| CN110333152A (en) * | 2019-07-19 | 2019-10-15 | 中国舰船研究设计中心 | A kind of pipeline fatigue test board |
| CN111238937A (en) * | 2020-02-27 | 2020-06-05 | 上海含骏自动化设备有限公司 | Metal wire fatigue test device |
-
1993
- 1993-05-14 CN CN 93112433 patent/CN1034194C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498636B (en) * | 2009-01-16 | 2011-04-27 | 大连理工大学 | Inspection apparatus and method for multifunctional pressure container |
| CN102042847A (en) * | 2010-10-29 | 2011-05-04 | 安徽士必达液压器材有限公司 | High-voltage pulse test system |
| CN102192859A (en) * | 2011-04-02 | 2011-09-21 | 常州大学 | Pressure container corrosion fatigue testing device with closed-loop control |
| CN102374954A (en) * | 2011-09-21 | 2012-03-14 | 大连理工大学 | Container pressure-circulation testing device and method |
| CN102374954B (en) * | 2011-09-21 | 2013-04-17 | 大连理工大学 | Container pressure-circulation testing device and method |
| 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 |
| CN105510140B (en) * | 2015-11-30 | 2018-03-06 | 合肥通用机械研究院有限公司 | A kind of pressure-resistant explosion bulge test system and method for low-temperature deep pressure vessel |
| DE102018201494A1 (en) * | 2018-01-31 | 2019-08-01 | Bayerische Motoren Werke Aktiengesellschaft | Test device for cyclic pressure loading of at least one pressure vessel |
| CN110333152A (en) * | 2019-07-19 | 2019-10-15 | 中国舰船研究设计中心 | A kind of pipeline fatigue test board |
| CN111238937A (en) * | 2020-02-27 | 2020-06-05 | 上海含骏自动化设备有限公司 | Metal wire fatigue test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1034194C (en) | 1997-03-05 |
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