CN104458160A - Pipeline piece pressure testing system and pressure testing method thereof - Google Patents
Pipeline piece pressure testing system and pressure testing method thereof Download PDFInfo
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- CN104458160A CN104458160A CN201310432942.2A CN201310432942A CN104458160A CN 104458160 A CN104458160 A CN 104458160A CN 201310432942 A CN201310432942 A CN 201310432942A CN 104458160 A CN104458160 A CN 104458160A
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Abstract
The invention provides a pipeline piece pressure testing system and a pressure testing method thereof. This pipeline spare pressure test system includes to the pipeline spare that awaits measuring and exert pulse pressure and detect the testing arrangement of the pipeline spare state that awaits measuring, and testing arrangement includes: the medium storage part is communicated with the pipeline piece to be tested; the driving part is used for driving the medium in the medium storage part to apply pulse pressure to the pipeline piece to be tested; the detection unit is connected with the pipeline piece to be detected and used for acquiring a pressure signal in the pipeline piece to be detected; the control part is connected with the detection unit and used for acquiring the pressure signal and judging whether the pipeline piece to be detected is in a leakage state or not; and the medium supply part is communicated with the medium storage part and comprises an accommodating cavity for accommodating the medium, and the height of the accommodating cavity is higher than that of the medium storage part. The pulse pressure is applied to the pipeline piece to be detected through the driving part to simulate the working environment of the pipeline piece to be detected, and then the leakage time, the pressure value and the possible situation of the pipeline piece to be detected are detected so as to accurately judge the reliability of the pipeline piece to be detected.
Description
Technical field
The present invention relates to security detection equipment field, in particular to a kind of pipeline fitting pressure testing system and method for testing pressure thereof.
Background technology
The subject matter of leakage failure air-conditioning system always.If the device existing defects of air-conditioning system, the problems such as such as, in material slag inclusion, surface scratch, rosin joint, stress are concentrated, design defect, so along with the Long-Time Service of air-conditioning, under the effect of the long term device pulse within air-conditioning systems of this type of existing defects, defect may be exaggerated thus cause leakage failure.These leakage failures also can contaminated air by the personal safety of harm user.And in prior art, not having the reliability of means signal piping part effectively, the reliability of pipeline fitting work within air-conditioning systems also cannot ensure.In order to avoid the safety of defective components harm air-conditioning system, ensure the reliability of the pipeline fitting of air-conditioning system simultaneously, need a kind of device can testing the reliability of pipeline fitting.
Summary of the invention
The present invention aims to provide a kind of pipeline fitting pressure testing system and method for testing pressure thereof, the problem that cannot ensure with the dependability solving pipeline fitting container in prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of pipeline fitting pressure testing system, this pipeline fitting pressure testing system comprises to pipeline fitting applying pulse to be measured and detects the proving installation of pipeline fitting state to be measured, proving installation comprises: media storage portion, is communicated with pipeline fitting to be measured; Drive division, the medium in drive medium storage part applies pulse to pipeline fitting to be measured; Detecting unit, is connected with pipeline fitting to be measured, for obtaining the pressure signal in pipeline fitting to be measured; Control part, is connected with detecting unit, for obtaining pressure signal and judging whether pipeline fitting to be measured is in leak condition; Medium supply unit, portion is communicated with media storage, and medium supply unit comprises the container cavity holding medium, and the height of container cavity is higher than the height in media storage portion.
Further, pipeline fitting pressure testing system also comprises worktable, and worktable is provided with test platform and proving installation, test platform comprises: matrix, arranges on the table; Testing conduit, runs through matrix, and is communicated with media storage portion; And test splice, be arranged on testing conduit, and be communicated with testing conduit.
Further, the quantity of the test splice on test platform is multiple, and multiple test splice is arranged along the bearing of trend interval of testing conduit, each test splice is provided with the second operation valve controlling this test splice break-make.
Further, be connected with the first connecting pipe between media storage portion and testing conduit, the junction of the first connecting pipe and testing conduit is provided with the first tensimeter.
Further, be connected with the second connecting pipe between medium supply unit and the first connecting pipe, medium supply unit comprises: holding box, forms the container cavity of medium supply unit in it; 3rd connecting pipe, is connected to the bottom of holding box; Adapter, arranges on the table, and is connected between the 3rd connecting pipe and the second connecting pipe; First operation valve, is arranged on the 3rd connecting pipe, and controls the break-make of the 3rd connecting pipe.
Further, media storage portion comprises: media storage box, arranges on the table, has the storage chamber of storage medium, stores chamber and is connected with the first connecting pipe; Boxcar, is connected between drive division and media storage box, and have and store the first cavity that chamber is connected and the sealing-plug be arranged on movably in the first cavity, drive division is connected with sealing-plug and drives sealing-plug to move.
Further, control part comprises: processor, is connected respectively with detecting unit and drive division, for controlling the pulse that drive division exports, and obtains the pressure signal that detects of detecting unit and judges whether pipeline fitting to be measured is in leak condition; Timer, is electrically connected with processor, for measuring the test duration of pipeline fitting to be measured, and determines the life-span of pipeline fitting to be measured; Counter, is electrically connected with processor, for measuring the number of the pulse that drive division exports.
According to a further aspect in the invention, provide a kind of pipeline fitting method for testing pressure, apply above-mentioned pipeline fitting pressure testing system, method comprises the steps: S10: inject in proving installation by the difference in height between medium supply unit and media storage portion by medium; S20: obtain the force value in pipeline fitting to be measured; S30: force value and scheduled pressure value are contrasted; S40: judge whether pipeline fitting to be measured leaks according to comparing result.
Further, step S10 comprises the steps: S11: pipeline fitting to be measured is mounted to test splice; S12: injected media in pipeline fitting to be measured; S13: open control part, control part controls drive division and applies pulse to medium, treats survey pipeline fitting and tests.
Further, also comprise inspection pipeline fitting pressure testing system before step S10 and whether be in off-mode, if do not shut down, pipeline fitting pressure testing system is shut down.
Further, also comprise between step S11 and step S12: S111: whether the medium observed in the holding box of medium supply unit is specifying within the scope of liquid level, if be less than regulation liquid level scope, filled media in holding box, if normal, open the first operation valve and be filled with medium in the pipeline of proving installation, and discharge the air in proving installation; Also comprise between step S12 and step S13: S121: close pipeline fitting to be measured and close the first operation valve; Step S13 also comprises: S131: the experiment condition parameter arranging pipeline fitting to be measured, and sets alarm pressure value.
Further, pipeline fitting test macro comprises the first operation valve of the break-make being arranged on control medium supply unit on medium supply unit and is arranged on the second operation valve of break-make test splice controlling test splice, also comprise after step S30: S40: open the first operation valve and the second operation valve, drive division drives sealing-plug to move downwardly to bottom media storage box, is pushed back by medium in medium supply unit.
Apply technical scheme of the present invention, pipeline fitting pressure testing system comprises to pipeline fitting applying pulse to be measured and detects the proving installation of pipeline fitting state to be measured, and proving installation comprises: media storage portion, is communicated with pipeline fitting to be measured; Drive division, the medium in drive medium storage part applies pulse to pipeline fitting to be measured; Detecting unit, is connected with pipeline fitting to be measured, for obtaining the pressure signal in pipeline fitting to be measured; Control part, is connected with detecting unit, for obtaining pressure signal and judging whether pipeline fitting to be measured is in leak condition; Medium supply unit, portion is communicated with media storage, and medium supply unit comprises the container cavity holding medium, and the height of container cavity is higher than the height in media storage portion.Apply the working environment that pulse simulates pipeline fitting to be measured can to pipeline fitting to be measured by drive division, detecting unit can detect force value in pipeline fitting to be measured and be transferred to controller, and then by force value, controller can judge whether pipeline fitting to be measured leaks, and then draw the reliability of pipeline fitting to be measured, and there is the possible situation of leakage in pipeline fitting to be measured.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the perspective view of the pipeline fitting pressure testing system of embodiments of the invention;
Fig. 2 shows the perspective view of the test platform of the pipeline fitting pressure testing system according to Fig. 1; And
Fig. 3 shows the front view of the pipeline fitting pressure testing system according to Fig. 1;
Fig. 4 shows the process flow diagram of the pipeline fitting method for testing pressure of embodiments of the invention.
Description of reference numerals: 10, worktable; 20, test platform; 21, test splice; 22, the second operation valve; 23, pressure gauge connection; 24, testing conduit; 30, media storage portion; 31, boxcar; 32, media storage box; 40, medium supply unit; 41, holding box; 42, the first operation valve; 43, adapter; 51, the first connecting pipe; 52, the second connecting pipe; 61, the first tensimeter; 70, cylinder is driven; 81, timer; 82, counter; 83, power light.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 1, according to embodiments of the invention, pipeline fitting pressure testing system comprises to pipeline fitting applying pulse to be measured and detects the proving installation of pipeline fitting state to be measured, and proving installation comprises media storage portion 30, drive division, control part, medium supply unit 40 and detecting unit.
Media storage portion 30 is communicated with pipeline fitting to be measured.Medium in drive division drive medium storage part 30 applies pulse to pipeline fitting to be measured.Detecting unit is connected with pipeline fitting to be measured, for obtaining the pressure signal in pipeline fitting to be measured.Control part is connected with detecting unit, for obtaining pressure signal and judging whether pipeline fitting to be measured is in leak condition.Medium supply unit 40 is communicated with media storage portion 30, and medium supply unit 40 comprises the container cavity holding medium, and the height of container cavity is higher than the height in media storage portion 30.
Pipeline fitting to be measured is communicated with media storage portion 30, by medium supply unit 40 by Filled Dielectrics in media storage portion 30 and pipeline fitting to be measured, then pulse is applied by drive division to the medium in media storage portion 30, this pulse is passed to test pipeline fitting by medium, and then simulate the pulsed operation environment of pipeline fitting to be measured, the pressure signal in pipeline fitting to be measured finally can be detected by detecting unit, and by pressure signal transmission to control part, according to this pressure signal, control part judges whether pipeline fitting to be measured exists leakage.
Pipeline fitting test macro of the present invention is by the working environment of simulation pipeline fitting by pulse, the leakage situation that can test out the mission life of pipeline fitting to be measured under pulse environment and may occur, and then the mission life of pipeline fitting to be measured can be tested exactly, and solve in advance pipeline fitting to be measured may occur leak defect, the functional reliability of lift line part.
The medium transmitting pulse is fluid, such as air, water, hydraulic pressure wet goods.Medium in the present embodiment is hydraulic oil.
Pipeline fitting pressure testing system also comprises worktable 10, worktable 10 is provided with test platform 20 and proving installation.
In conjunction with see Fig. 2, test platform 20 is fixedly connected with worktable 10, and test platform 20 can be dismantled from worktable 10.Test platform 20 comprises matrix, testing conduit 24, pressure gauge connection 23 and test splice 21.Matrix is bolted on worktable 10, and matrix is used for bearing test pipeline 24 and test splice 21.Testing conduit 24 runs through matrix, and is communicated with media storage portion 30, and testing conduit 24 for connecting test joint 21 and media storage portion 30, and provides flow channel for medium.Test splice 21 is arranged on testing conduit 24, and is communicated with testing conduit 24, and test splice 21 is for installing pipeline fitting to be measured, and medium is by flowing in pipeline fitting to be measured from test splice 21 after testing conduit 24.Pressure gauge connection 23 corresponds to testing conduit 24 and arranges, and arranges tensimeter to facilitate.
Preferably, the quantity of the test splice 21 on test platform 20 is multiple, and multiple test splice 21 is disposed on testing conduit 24 along the bearing of trend of testing conduit 24, each test splice 21 is provided with the second operation valve 22 controlling this test splice 21 break-make.Multiple test splice 21 is arranged in parallel can realize how group pipeline fitting to be measured is tested simultaneously on testing conduit 24, improves testing efficiency, saves the test duration.Each second operation valve 22 controls the break-make of a test splice 21 corresponding with it, can the quantity of the test splice 21 of control and participate in test job as required, thus possesses better applicability.
Preferably, in the present embodiment, be connected between media storage portion 30 with testing conduit 24 by the first connecting pipe 51, the first connecting pipe 51 is provided with the first tensimeter 61 with the junction of testing conduit 24.First tensimeter 61 is arranged on the junction of testing conduit 24 and the first connecting pipe 51 by pressure gauge connection 23, first tensimeter 61 can facilitate the pressure on staff's Real-Time Monitoring connecting line, and the running parameter of pipeline fitting pressure testing system is adjusted according to the force value monitored, improve applicability further.
In conjunction with see Fig. 3, media storage portion 30 comprises media storage box 32 and boxcar 31.Wherein, media storage box 32 is arranged on worktable 10, and media storage box 32 has the storage chamber of storage medium, stores chamber and is communicated with the first connecting pipe 51.Boxcar 31 is connected between drive division and media storage box 32, and have and the first cavity depositing chamber and the sealing-plug be arranged on movably in the first cavity, drive division is connected with sealing-plug and drives sealing-plug to move.During work, drive division moves up and down by driving sealing-plug, and to apply surging force to the medium being positioned at the first cavity and storage chamber, surging force is passed in pipeline fitting to be measured by medium, to realize the object simulating pipeline fitting working environment to be measured.
In the present embodiment, drive division, for driving cylinder 70, drives cylinder 70 to be vertically arranged on worktable 10, drives one end of the cylinder body of cylinder 70 to be fixedly installed on the top of worktable 10, drive the external part of cylinder 70 to be connected on sealing-plug, and drive sealing-plug to move up and down.In other embodiments, drive division can be other structure, and such as drive division can be hydraulic cylinder or motor-driven structure etc.
In conjunction with see Fig. 1, be connected between medium supply unit 40 with the first connecting pipe 51 by the second connecting pipe 52, medium supply unit 40 comprises holding box 41, the 3rd connecting pipe, adapter 43 and the first operation valve 42.
Wherein, in holding box 41, be formed with the container cavity of medium supply unit 40, holding box 41 for holding medium, and when needed to filled media in the pipeline and pipeline fitting to be measured of proving installation.The height of the container cavity in the present embodiment higher than the height storing chamber, thus can not by external force only with the gravity of fluid self to filled media in media storage portion 30, save the energy.In the present embodiment, holding box 41 is inversed taper platform shape, also namely vertically from top to bottom the sectional area of holding box 41 reduce gradually, be so more conducive to the outflow of medium, there is better filling effect.
3rd connecting pipe is connected to the bottom of holding box 41, and provides installation site for the first operation valve 42.First operation valve 42 is arranged on the 3rd connecting pipe, and controls the break-make of the 3rd connecting pipe as required.Adapter 43 is arranged on worktable 10, and is connected between the 3rd connecting pipe and the second connecting pipe 52.In the present embodiment, adapter 43 is arc adapter, can provide cushion space for fluid media (medium), gently the flow direction of alter, and avoids the generation of eddy current.In other embodiments, adapter 43 and the 3rd connecting pipe can not be set, and directly holding box 41 be connected on the second connecting pipe 52, the first operation valve 42 is connected directly between on holding box 41; Or also can omit the second connecting pipe 52, directly holding box 41 is arranged on the first connecting pipe 51.
Detecting unit in the present embodiment comprises pressure transducer, and pressure transducer is arranged on test splice 21 place.Force value for detecting the force value in pipeline fitting to be measured, and is converted to pressure signal and transmits by pressure transducer.In test process, the force value in pipeline fitting to be measured is substantially equal with the force value at test splice 21 place, and thus the force value at detection test splice 21 place can obtain the force value in pipeline fitting to be measured.Pressure transducer being arranged on test splice 21 place, without the need to destroying the structure of pipeline fitting to be measured, thus can ensureing the accuracy of testing.
Control part comprises processor, timer 81 sum counter 82.
Processor is connected with detecting unit and receives the pressure signal that detecting unit transmits, and can judge whether pipeline fitting to be measured is in leak condition according to this pressure signal processor.Processor is also connected with drive division, and controls drive division output pulse.Processor can set different parameters according to the different operating situation of pipeline fitting to be measured, and then controls drive division and export different pulses, and then reaches the object of working environment of accurate analog pipeline fitting to be measured.
Timer 81 is electrically connected with processor, for measuring the test duration of pipeline fitting to be measured.Under being determined at by timer 81 working environment being subject to pulse impact, the normal working hours of pipeline fitting to be measured, determine the mission life of pipeline fitting to be measured with this.Counter 82 is electrically connected with processor, for measuring the number of the pulse that drive division exports.By the number of counter 82 recording impulse pressure, the number of the pulse suffered by pipeline fitting to be measured leakage can be determined after pipeline fitting to be measured leaks.In the present embodiment, drive cylinder 70 1 to stretch a contracting and complete a circulation and can be regarded as and be applied with a pulse, the number of counter 82 recording impulse pressure that is to say the number of the circulation that record drives cylinder 70 to complete.
In the present embodiment, pipeline fitting to be measured has and the first end that test splice 21 matches and second end relative with this first end, and the second end of pipeline fitting to be measured is provided with the 3rd operation valve, and the 3rd operation valve is for controlling the break-make of pipeline fitting to be measured.When treating the test of survey pipeline fitting, the 3rd operation valve is closed, and overflows under the effect of pulse to avoid medium in pipeline fitting to be measured.
In conjunction with see Fig. 1, worktable 10 comprises rectangular-shaped top plate and three columns vertically arranged, and the first end of three root posts and three of rectangular-shaped top plate summits are arranged correspondingly, to form good support.This rectangular-shaped top plate is not arranged between the summit of column and the root post be adjacent and be provided with control part, control part is vertically arranged, and control part has the side of visual panel towards user.User can operate visual panel as required, arranges each parameter, such as, arrange test duration, pulse value, alarm pressure value, pulse number of times etc.
Preferably, control part is also provided with power light 83, is used to indicate pipeline fitting pressure testing system and whether is in open state.
Drive cylinder 70 to be positioned on the side relative with control part of rectangular-shaped top plate, and be also vertical setting.The one end driving the piston rod of cylinder 70 to stretch out cylinder block is connected on sealing-plug.
Also be provided with the second installing plate between three root posts of worktable 10, the second installing plate is also rectangle, and is parallel to rectangular-shaped top plate.Media storage portion 30 is fixedly installed on the second installing plate.First connecting pipe 51 is connected to the bottom of the media storage box 32 in media storage portion 30, and level extends near the direction of control part.Test platform 20 is fixedly installed on the second installing plate, and is positioned at the below of control part.Testing conduit 24 is communicated with the first connecting pipe 51, and test splice 21 is arranged upward, and pipeline fitting to be measured to be connected on test splice 21 and straight up.
Be connected with the second connecting pipe 52 in the side of the first connecting pipe 51, adapter 43 is connected on the second connecting pipe 52, and medium supply unit 40 is connected on adapter 43.In the present embodiment, medium is hydraulic oil.In other embodiments, medium also can be other fluid, such as air, or the potpourri etc. of fluid-mixing such as hydraulic oil and air.
In conjunction with see Fig. 4, according to a further aspect in the invention, the pipeline fitting method for testing pressure applying above-mentioned pipeline fitting pressure testing system comprises the steps:
S10: the medium of fluid is injected in proving installation by the difference in height between medium supply unit 40 and media storage portion 30;
S20: obtain the force value in pipeline fitting to be measured;
S30: force value and scheduled pressure value are contrasted;
S40: judge whether pipeline fitting to be measured leaks according to comparing result.
Utilize the character of fluid media (medium) self to media storage portion 30 filled media, extra power can not be used to carry out Filled Dielectrics, save the energy.Contrasted by test pressure value and scheduled pressure value and accurately can judge whether pipeline fitting to be measured leaks, and then accurate test result can be obtained, accurately know the life-span of pipeline fitting to be measured, and the situation that possible generation is leaked.
Also comprise before step S10 and check whether pipeline fitting pressure testing system is in off-mode, need first pipeline fitting pressure testing system be shut down, to avoid causing dielectric leakage or excessive in media packing procedure if do not shut down.
After ensureing off-mode, step S10 comprises the steps: S11: pipeline fitting to be measured is mounted to test splice 21; Test in order to follow-up.
S111: the medium in the holding box of observation medium supply unit 40, whether specifying within the scope of liquid level, if be less than regulation liquid level scope, filled media in holding box, to ensure that medium can be full of pipeline fitting to be measured, and then ensures measuring accuracy.If normal, open the first operation valve 42 and be filled with medium in the pipeline of proving installation, and discharge the air in proving installation; The 3rd operation valve now on pipeline fitting to be measured is in open mode, to discharge air, the first operation valve 42 and the second operation valve 22 are all in open mode, to form the path of media flow.
S12: injected media in pipeline fitting to be measured;
S121: close pipeline fitting to be measured and close the first operation valve 42; In case test process medium is overflowed.
S13: open control part, control part controls drive division and applies pulse to medium, treats survey pipeline fitting and tests.This step comprises:
Step S131, arranges the experiment condition parameter of pipeline fitting to be measured, and sets alarm pressure value.First on visual panel, desired parameters is set, such as pulse value, recurrence interval, test duration etc.Set alarm pressure value afterwards, the force value detected when pressure transducer is leaked lower than then representing during alarm pressure value that pipeline fitting to be measured produces, and needs to report to the police.
After above-mentioned setting parameter is complete, can controls to drive cylinder 70 to move, apply pulse to medium.After having tested, also comprising dielectric film filter step, is also S40: open the first operation valve 42 and the second operation valve 22, and drive division drives sealing-plug to move downwardly to bottom media storage box 32, is pushed back by medium in medium supply unit 40.Now, the most of medium in media storage portion 30 can be pushed back in medium supply unit 40, use in order to next time.Medium in pipeline fitting to be measured can be reclaimed by alternate manner, such as, extract the medium in pipeline fitting to be measured by pump, and is transmitted back in medium supply unit 40; Or the medium extracted by the to-and-fro movement of drive division driving sealing-plug in pipeline fitting to be measured, is closed the second operation valve 22 afterwards to avoid medium back flow, then returns in medium supply unit 40 by medium force feed, closes the first operation valve 42 and prevent from revealing after dielectric film filter.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect: pipeline fitting pressure testing system accurately can test the life-span of pipeline fitting to be measured, improve the safety and reliability of pipeline fitting work to be measured.By the character filled media of fluid media (medium) self, without the need to by external force, save the energy, reduce device quantity simultaneously and save installing space.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a pipeline fitting pressure testing system, is characterized in that, comprise and apply pulse to pipeline fitting to be measured and detect the proving installation of described pipeline fitting state to be measured, described proving installation comprises:
Media storage portion (30), is communicated with described pipeline fitting to be measured;
Drive division, drives the medium in described media storage portion (30) to apply pulse to described pipeline fitting to be measured;
Detecting unit, is connected with described pipeline fitting to be measured, for obtaining the pressure signal in described pipeline fitting to be measured;
Control part, is connected with described detecting unit, for obtaining described pressure signal and judging whether described pipeline fitting to be measured is in leak condition;
Medium supply unit (40), is communicated with described media storage portion (30), and described medium supply unit (40) comprises the container cavity holding described medium, and the height of described container cavity is higher than the height of described media storage portion (30).
2. pipeline fitting pressure testing system according to claim 1, it is characterized in that, described pipeline fitting pressure testing system also comprises worktable (10), described worktable (10) is provided with test platform (20) and described proving installation, and described test platform (20) comprising:
Matrix, is arranged on described worktable (10);
Testing conduit (24), runs through described matrix, and is communicated with described media storage portion (30); With
Test splice (21), is arranged on described testing conduit (24), and is communicated with described testing conduit (24).
3. pipeline fitting pressure testing system according to claim 2, it is characterized in that, the quantity of the described test splice (21) on described test platform (20) is multiple, described multiple test splice (21) is arranged along the bearing of trend interval of described testing conduit (24), each described test splice (21) is provided with the second operation valve (22) controlling this test splice (21) break-make.
4. pipeline fitting pressure testing system according to claim 2, it is characterized in that, be connected with the first connecting pipe (51) between described media storage portion (30) and described testing conduit (24), described first connecting pipe (51) is provided with the first tensimeter (61) with the junction of described testing conduit (24).
5. pipeline fitting pressure testing system according to claim 4, is characterized in that, is connected with the second connecting pipe (52) between described medium supply unit (40) and described first connecting pipe (51), and described medium supply unit (40) comprising:
Holding box (41), forms the described container cavity of described medium supply unit (40) in it;
3rd connecting pipe, is connected to the bottom of described holding box (41);
Adapter (43), is arranged on described worktable (10), and is connected between described 3rd connecting pipe and described second connecting pipe (52);
First operation valve (42), is arranged on described 3rd connecting pipe, and controls the break-make of described 3rd connecting pipe.
6. pipeline fitting pressure testing system according to claim 5, is characterized in that, described media storage portion (30) comprising:
Media storage box (32), is arranged on described worktable (10), has the storage chamber storing described medium, and described storage chamber is connected with described first connecting pipe (51);
Boxcar (31), be connected between described drive division and described media storage box (32), have the first cavity be connected with described storage chamber and the sealing-plug be arranged on movably in described first cavity, described drive division is connected with described sealing-plug and drives described sealing-plug to move.
7. pipeline fitting pressure testing system according to claim 2, is characterized in that, described control part comprises:
Processor, is connected with described detecting unit and described drive division respectively, for controlling the described pulse that described drive division exports, and obtains described pressure signal that described detecting unit detects and judges whether described pipeline fitting to be measured is in leak condition;
Timer (81), is electrically connected with described processor, for measuring the test duration of described pipeline fitting to be measured, and determines the life-span of described pipeline fitting to be measured;
Counter (82), is electrically connected with described processor, for measuring the number of the pulse that described drive division exports.
8. a pipeline fitting method for testing pressure, application rights requires the pipeline fitting pressure testing system described in 1, and it is characterized in that, described method comprises the steps:
S10: described medium is injected in described proving installation by the difference in height between described medium supply unit (40) and described media storage portion (30);
S20: obtain the force value in described pipeline fitting to be measured;
S30: described force value and scheduled pressure value are contrasted;
S40: judge whether described pipeline fitting to be measured leaks according to comparing result.
9. pipeline fitting method for testing pressure according to claim 8, is characterized in that, described step S10 comprises the steps:
S11: described pipeline fitting to be measured is mounted to test splice (21);
S12: inject described medium in described pipeline fitting to be measured;
S13: open described control part, described control part controls described drive division and applies pulse to described medium, tests described pipeline fitting to be measured.
10. pipeline fitting method for testing pressure according to claim 8, is characterized in that, also comprises and check whether pipeline fitting pressure testing system is in off-mode before described step S10, if do not shut down, by described pipeline fitting pressure testing system shutdown.
11. pipeline fitting method for testing pressure according to claim 9, is characterized in that,
Also comprise between described step S11 and described step S12:
S111: whether the described medium observed in the holding box of described medium supply unit (40) is specifying within the scope of liquid level, if be less than regulation liquid level scope, in described holding box, fill described medium, if normal, open the first operation valve (42) and be filled with medium in the pipeline of proving installation, and discharge the air in described proving installation;
Also comprise between described step S12 and described step S13:
S121: close described pipeline fitting to be measured and close described first operation valve (42);
Described step S13 also comprises:
S131: the experiment condition parameter that described pipeline fitting to be measured is set, and set alarm pressure value.
12. pipeline fitting method for testing pressure according to claim 8, it is characterized in that, pipeline fitting test macro comprises first operation valve (41) of the break-make being arranged on the described medium supply unit (40) of the upper control of described medium supply unit (40) and is arranged on upper the second operation valve (22) controlling the break-make of described test splice (21) of test splice (21), also comprises after described step S30:
S40: open described first operation valve (42) and described second operation valve (22), described drive division drives sealing-plug to move downwardly to media storage box (32) bottom, is pushed back by described medium in medium supply unit (40).
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| CN109946015A (en) * | 2019-04-02 | 2019-06-28 | 中广核核电运营有限公司 | Pressure test equipment for pipeline |
| CN110646150A (en) * | 2019-09-11 | 2020-01-03 | 珠海格力智能装备有限公司 | Pipe fitting detection method and device, storage medium and detection equipment |
| CN112730075A (en) * | 2020-12-17 | 2021-04-30 | 中国航空综合技术研究所 | Pressure testing device and method for aviation pipeline connecting piece system |
| CN113272635A (en) * | 2019-06-07 | 2021-08-17 | 包装技术和检验有限责任公司 | High-pressure leakage detection system and method |
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