CN100543442C - A kind of multifunctional high voltage apparatus safe property checking device - Google Patents
A kind of multifunctional high voltage apparatus safe property checking device Download PDFInfo
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- CN100543442C CN100543442C CNB200610050286XA CN200610050286A CN100543442C CN 100543442 C CN100543442 C CN 100543442C CN B200610050286X A CNB200610050286X A CN B200610050286XA CN 200610050286 A CN200610050286 A CN 200610050286A CN 100543442 C CN100543442 C CN 100543442C
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- 238000005259 measurement Methods 0.000 claims abstract description 11
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- 238000012360 testing method Methods 0.000 abstract description 34
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- 239000007788 liquid Substances 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000011056 performance test Methods 0.000 abstract description 4
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- 239000012530 fluid Substances 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
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Abstract
The invention discloses a kind of multifunctional high voltage apparatus safe property checking device.It comprises gas dynamic system, affusing and exhausting system, pressure lifting system, Measurement and Control System and safety system.When carrying out Hi-pot test, pressure medium is fills up in the high-tension apparatus fast through liquid line, and the gas in the equipment is discharged by affusing and exhausting system.Finish pressurization, pressurize and unload press operation by the pressure lifting system.The processing procedure required drive is provided by gas dynamic system.Measurement and Control System is monitored and is controlled whole testing process, and the output procedure data.When pressure transships, ensure safety by safety system.This device can carry out security performance test to high-tension apparatus, comprises withstand voltage test, torture test, explosion bulge test and stress test analysis, has that supercharging is fast, a pressure stability, advantage such as easy and simple to handle and safe and reliable.
Description
Technical field
The present invention relates to high-tension apparatus experimental technique field, be meant a kind of multifunctional high voltage apparatus safe property checking device especially.
Background technology
Along with progress of science and technology and development, high pressure technique is obtaining increasingly extensive application aspect scientific research and the commercial production.The working pressure of high-tension apparatus is very high, and the energy of device storage is very big, has great danger.With regard to the high-tension apparatus of liquid medium, liquid compression obviously improves under the high pressure, ratio of compression enlarges markedly, for example the ratio of compression of water under 1000MPa can reach about 20%, so energy stored is very big in the high-tension apparatus, have great potential danger, in case malicious event takes place, consequence will be catastrophic.Therefore, sealing for macroscopical intensity, welding joint compactness and the packing ring of checkout equipment, the margin of safety of inspecting containers, the rationality of structural design and reliability, guarantee the safe operation of high-tension apparatus, need carry out security performance tests such as withstand voltage test, torture test, explosion bulge test and stress test analysis high-tension apparatus.
At present, domestic existing high-tension apparatus performance testing device and testing machine function are mostly more single, adopt manually operated mode usually, can not carry out the stress test analysis.Chinese patent ZL99215552.5 provides UHV (ultra-high voltage) pressure testing measuring station; it is made up of high-pressure pump, valve, tensimeter and pipeline etc.; the mensuration that is used for high-tension apparatus and parts sealing and compressive resistance; system adopts manually operated mode; supercharging mode is single; can't realize the pulse pressure-charging operation, system does not have automatic control system, can't realize functions such as the unloading of superpressure auto stop, data acquisition and stress test analysis yet.Chinese patent CN200410155199.1 provides a kind of hydraulic fatigue test system for pressure container, it is a system that is specifically designed to pressure container fatigue test that is made up of oil circuit pressurization, pressurize, pressure relief device and Measurement and Control System, though employing computer controlled automatic, but can't regulate rate of pressure rise, this system does not possess the function of withstand voltage test and explosion bulge test yet.Chinese patent ZL93246639.7 provide pressure testing machine, it is made up of hydraulic control circuit, pressure cylinder and distribution valve, only be used to check the compressive resistance of bearing device, can not carry out torture test, it is power source that this testing machine adopts hydraulic oil, rate of pressure rise is slower, adopts manual manipulation mode, can't realize automatic control.
How to design a cover and can realize the multiple performance test of high-tension apparatus, again can the safe and reliable multi-functional automatic control test device of warranty test process, significant for guaranteeing the high-tension apparatus safe operation and grasping the high-tension apparatus performance.
Summary of the invention
The purpose of this invention is to provide a kind of multifunctional high voltage apparatus safe property checking device, in order to high-tension apparatus is carried out withstand voltage test, torture test, explosion bulge test and stress test analysis etc.
Multifunctional high voltage apparatus safe property checking device is made up of gas dynamic system, affusing and exhausting system, pressure lifting system, Measurement and Control System and safety system.Gas dynamic system comprises the air compressor, filtrator, two-position two-way solenoid valve group, reduction valve, safety valve, the two-position three way magnetic valve that are communicated with by gas piping; Affusing and exhausting system comprises water tank, low-pressure filter, low-lift pump, accumulator, high pressure filter, the low-pressure pneumatic valve that is communicated with by liquid line; The pressure lifting device comprises first high-pressure pump, second high-pressure pump, the 3rd high-pressure pump, first high-pressure air operated valve, second high-pressure air operated valve, the 3rd high-pressure air operated valve, proportional pressure control valve, the low pressure valve that is communicated with by liquid line.Measurement and Control System comprises low-pressure sensor, the first high-pressure sensor, the second high-pressure sensor, the 3rd high-pressure sensor, computing machine, controller, printer, strainmeter, displacement transducer, and described controller is made up of R232 communication controller, 485-232 modular converter, main control module, A/D acquisition module, output module and power module.Safety system comprises safety valve, first high-pressure valve, second high-pressure valve, the 3rd high-pressure valve.When carrying out Hi-pot test, pressure medium is fills up in the high-tension apparatus fast through liquid line, and the gas in the equipment is discharged by the water filling exhaust apparatus.Finish pressurization, pressurize and unload press operation by the pressure lifting system.The test process required drive is provided by gas dynamic system.Measurement and Control System is monitored and is controlled whole testing process, and the output procedure data.When pressure transships, ensure the safety of package unit by safety system.
The present invention can realize the performance test of high-tension apparatus multifunctional safe, comprises withstand voltage test, torture test, explosion bulge test and stress test analysis etc.Advantages such as it is wide that device has the output pressure scope, and pressure stability is boosted rapidly, and automatic control is good, and is easy and simple to handle.In addition, device has the overpressure protection function, and security performance is good.
Description of drawings
Fig. 1 is the multifunctional high voltage apparatus safe property checking device synoptic diagram;
Fig. 2 is a Measurement and Control System schematic diagram of the present invention;
Among the figure: air compressor 1, filtrator 2, two-position two-way solenoid valve group 3, low-lift pump 4, accumulator 5, high pressure filter 6, reduction valve 7, tensimeter 8, safety valve 9, two-position three way magnetic valve 10, first high-pressure pump 11, second high-pressure pump 12, the second high-pressure sensor 13, the first high-pressure sensor 14, first high-pressure valve 15, computing machine 16, controller 17, printer 18, first blowout-back pressure gauge 19, first high-pressure air operated valve 20, second blowout-back pressure gauge 21, low pressure valve 22, second high-pressure air operated valve 23, proportional pressure control valve 24, the 3rd blowout-back pressure gauge 25, the 3rd high-pressure air operated valve 26, the 3rd high-pressure valve 27, the 3rd high-pressure sensor 28, second high-pressure valve 29, the 3rd high-pressure pump 30, low-pressure pneumatic valve 31, low-pressure sensor 32, water tank 33, low-pressure filter 34, strainmeter 35, displacement transducer 36, R232 communication controller S1,485-232 modular converter S2, main control module S3, A/D acquisition module S4, output module S5, power module S6.
Embodiment
As shown in Figure 1, multifunctional high voltage apparatus safe property checking device comprises gas dynamic system, affusing and exhausting system, pressure lifting system, Measurement and Control System, safety system, gas dynamic system is connected with air compressor 1, filtrator 2, two-position two-way solenoid valve group 3, reduction valve 7, safety valve 9, two-position three way magnetic valve 10 in turn, and links to each other with low-lift pump 4, first high-pressure pump 11, second high-pressure pump 12, the 3rd high-pressure pump 30 and the air intake opening of low-pressure pneumatic valve 31, first high-pressure air operated valve 20, second high-pressure air operated valve 23, the 3rd high-pressure air operated valve 26; Affusing and exhausting system is connected with water tank 33, low-pressure filter 34, low-lift pump 4, accumulator 5, low-pressure pneumatic valve 31, high pressure filter 6 in turn, and links to each other with the inlet of first high-pressure pump 11, second high-pressure pump 12, the 3rd high-pressure pump 30; The pressure lifting system, comprise first high-pressure pump 11, second high-pressure pump 12, the 3rd high-pressure pump 30 that are in parallel, first high-pressure pump 11 links to each other with first high-pressure air operated valve 20, second high-pressure pump 12, second high-pressure air operated valve 23, proportional pressure control valve 24 link to each other successively, the 3rd high-pressure pump 30 links to each other with the 3rd high-pressure air operated valve 26, and low pressure valve 22 is on the tap line between second high-pressure air operated valve 23 and the proportional pressure control valve 24; Measurement and Control System, comprise computing machine 16, controller 17, low-pressure sensor 32, the first high-pressure sensor 14, the second high-pressure sensor 13, the 3rd high-pressure sensor 28, strainmeter 35, displacement transducer 36, low-pressure sensor 32 is positioned on accumulator 5 export pipelines, and the first high-pressure sensor 14, the second high-pressure sensor 13, the 3rd high-pressure sensor 28 lay respectively on first high-pressure pump 11, second high-pressure pump 12, the 3rd high-pressure pump 30 outlet pressure duct I, II, the III; Safety system; comprise safety valve 9, first high-pressure valve 15, second high-pressure valve 29, the 3rd high-pressure valve 27; safety valve 9 is on the tap line between reduction valve 7 and the two-position three way magnetic valve 10, and first high-pressure valve 15, second high-pressure valve 29, the 3rd high-pressure valve 27 lay respectively on the release pipeline of first high-pressure pump 11, second high- pressure pump 12,30 outlets of the 3rd high-pressure pump.
Described controller 17 is made up of R232 communication controller S1,485-232 modular converter S2, main control module S3, A/D acquisition module S4, output module S5 and power module S6, controller 17 joins by R232 communication controller S1 and computing machine 16, link to each other with low-pressure sensor 32, the first high-pressure sensor 14, the second high-pressure sensor 13, the 3rd high-pressure sensor 28, strainmeter 35, displacement transducer 36 by A/D acquisition module S4, link to each other with two-position two-way solenoid valve group 3 with two-position three way magnetic valve 10 by main control module S3.
In addition, be furnished with tensimeter 8 on the reduction valve, liquid line is provided with first blowout-back pressure gauge 19, second blowout-back pressure gauge 21 and the 3rd blowout-back pressure gauge 25, the auxiliary pressure that shows.
In the injecting process, low-lift pump is filled into accumulator with the water in the water tank, by accumulator water is charged in the high-tension apparatus, and provides the liquid source for rear end first high-pressure pump, second high-pressure pump or the 3rd high-pressure pump.Under certain pressure, open first high-pressure air operated valve, second high-pressure air operated valve or the 3rd high-pressure air operated valve, the gas in the high-tension apparatus can be discharged.Low-pressure filter on the liquid line and high pressure filter remove impurity and the particulate in anhydrating, and prevent that supercharge pump and hydraulic valve are impaired.The low-pressure pneumatic valve cuts out when release, runs off to prevent accumulator internal pressure medium.
When fills with water in the high-tension apparatus and after discharging air, device beginning supercharging.
In the pressurization, be the high-tension apparatus supercharging, export three different pressure stage I, II and III respectively by first high-pressure pump, second high-pressure pump or the 3rd high-pressure pump.Select different pressure outputs according to different working pressures.Three deferent segments can work independently, and also can work simultaneously, and be independent of each other.When pressure reached setting value, supercharge pump quit work, and high-tension apparatus is in packing state.When pressurize reaches setting-up time, open first high-pressure air operated valve, second high-pressure air operated valve or the 3rd high-pressure air operated valve, the device release.
The required pressure of torture test process is by the output of II deferent segment, and passing ratio surplus valve and low pressure valve are adjusted the low pressure limit value, and regulative mode is a manual adjustments.
Low-lift pump, first high-pressure pump, second high-pressure pump and the 3rd high-pressure pump are the Pneumatic liquid supercharge pump, by gas-powered.Low-pressure pneumatic valve, first high-pressure air operated valve, second high-pressure air operated valve and the 3rd high-pressure air operated valve are also by gas-powered.Required pressurized air is provided by air compressor.Pressurized air is removed wherein greasy dirt, moisture and dust through filter, prevents that associated components and the supercharge pump on the gas piping is impaired.System adjusts rate of pressure rise by the two-position two-way solenoid valve group.Air after the filtration is by the reduction valve pressure regulation, to satisfy the requirement of supercharge pump and pneumatic valve.Be furnished with tensimeter on the reduction valve, can show the air pressure size.Pressurized air after the reduction valve pressure regulation is controlled break-make by two-position three way magnetic valve, thus control supercharge pump startup or shutdown, control pneumatic valve unlatching or close.
The all working state is by low-pressure sensor, the first high-pressure sensor, the second high-pressure sensor and the 3rd high-pressure sensor acquisition in the course of work, and be transferred to the A/D acquisition module of controller, the main control module of controller carries out data comparison and logic determines according to the parameter of computer settings, and send instruction automatically to solenoid valve and electromagnetic valve group and realize control to supercharge pump and pneumatic valve, send instruction to the two-position two-way solenoid valve group and realize control rate of pressure rise.Computing machine and controller carry out data transmission by the R232 communication controller, and system disposition has strainmeter and displacement transducer, static strain and perimeter change amount that can measuring equipment, and give controller with data transfer.Be equipped with professional Control Software in the computing machine, can on man-machine interface, set procedure parameters such as working pressure, dwell time, pulsed frequency, pulse higher limit, alternation cycle index, rate of pressure rise and alarm pressure, and realize the automatic control of whole process.Computing machine by professional software can output pressure, the relation of perimeter change amount, strain.
Be the assurance device safe operation, safety valve is set on gas piping, assurance device pressure can not transship.In addition, realize the superpressure offloading functions, when pressure surpasses the alarm pressure of setting, can unload and send alerting signal by auto stop by automatic control.Can't release for preventing to control automatically the system of breaking down, first high-pressure valve, second high-pressure valve, the 3rd high-pressure valve are set, even control malfunctioning also manually release automatically on fluid pressure line.
Claims (2)
1, a kind of multifunctional high voltage apparatus safe property checking device, it is characterized in that it comprises gas dynamic system, affusing and exhausting system, the pressure lifting system, Measurement and Control System, safety system, gas dynamic system is connected with air compressor (1) in turn, filtrator (2), two-position two-way solenoid valve group (3), reduction valve (7), safety valve (9), two-position three way magnetic valve (10), and with low-lift pump (4), first high-pressure pump (11), second high-pressure pump (12), the 3rd high-pressure pump (30) and low-pressure pneumatic valve (31), first high-pressure air operated valve (20), second high-pressure air operated valve (23), the air intake opening of the 3rd high-pressure air operated valve (26) links to each other; Affusing and exhausting system is connected with water tank (33), low-pressure filter (34), low-lift pump (4), accumulator (5), low-pressure pneumatic valve (31), high pressure filter (6) in turn, and links to each other with the inlet of first high-pressure pump (11), second high-pressure pump (12), the 3rd high-pressure pump (30); The pressure lifting system, comprise first high-pressure pump (11), second high-pressure pump (12), the 3rd high-pressure pump (30) that are in parallel, first high-pressure pump (11) links to each other with first high-pressure air operated valve (20), second high-pressure pump (12), second high-pressure air operated valve (23), proportional pressure control valve (24) link to each other successively, the 3rd high-pressure pump (30) links to each other with the 3rd high-pressure air operated valve (26), and low pressure valve (22) is positioned on the tap line between second high-pressure air operated valve (23) and the proportional pressure control valve (24); Measurement and Control System, comprise computing machine (16), controller (17), low-pressure sensor (32), the first high-pressure sensor (14), the second high-pressure sensor (13), the 3rd high-pressure sensor (28), strainmeter (35), displacement transducer (36), low-pressure sensor (32) is positioned on accumulator (5) export pipeline, the first high-pressure sensor (14), the second high-pressure sensor (13), the 3rd high-pressure sensor (28) lays respectively at first high-pressure pump (11), second high-pressure pump (12), on the 3rd high-pressure pump (30) the outlet pressure duct; Safety system; comprise safety valve (9), first high-pressure valve (15), second high-pressure valve (29), the 3rd high-pressure valve (27); safety valve (9) is positioned on the tap line between reduction valve (7) and the two-position three way magnetic valve (10), and first high-pressure valve (15), second high-pressure valve (29), the 3rd high-pressure valve (27) lay respectively on the release pipeline of first high-pressure pump (11), second high-pressure pump (12), the 3rd high-pressure pump (30) outlet.
2, a kind of multifunctional high voltage apparatus safe property checking device according to claim 1, it is characterized in that, described controller (17) is by R232 communication controller (S1), 485-232 modular converter (S2), main control module (S3), A/D acquisition module (S4), output module (S5) and power module (S6) are formed, controller (17) joins by R232 communication controller (S1) and computing machine (16), by A/D acquisition module (S4) and low-pressure sensor (32), the first high-pressure sensor (14), the second high-pressure sensor (13), the 3rd high-pressure sensor (28), strainmeter (35), displacement transducer (36) links to each other, and links to each other with two-position two-way solenoid valve group (3) with two-position three way magnetic valve (10) by main control module (S3).
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