CN203479480U - pipeline pressure testing system - Google Patents
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- CN203479480U CN203479480U CN201320585201.3U CN201320585201U CN203479480U CN 203479480 U CN203479480 U CN 203479480U CN 201320585201 U CN201320585201 U CN 201320585201U CN 203479480 U CN203479480 U CN 203479480U
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Abstract
The utility model provides a pipeline spare pressure test system. 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 utility model relates to security detection equipment field, in particular to a kind of pipeline fitting pressure testing system.
Background technology
Leakage failure is the subject matter of air-conditioning system always.If there is defect in the device of air-conditioning system, such as slag inclusion in material, surface scratch, rosin joint, stress concentrate, the problem such as design defect, so along with the long-term use of air-conditioning, under the effect of the pulse of this type of long term device that has a defect in air-conditioning system, thereby defect may be exaggerated and causes leakage failure.These leakage failures also can contaminated air by harm user's personal safety.And in prior art, not having the reliability of means signal piping part effectively, the reliability of the work of pipeline fitting in air-conditioning system also cannot guarantee.For fear of the safety of defective components harm air-conditioning system, guarantee the reliability of the pipeline fitting of air-conditioning system simultaneously, need a kind of device that can test the reliability of pipeline fitting.
Utility model content
The utility model aims to provide a kind of pipeline fitting pressure testing system, the problem that cannot guarantee to solve the dependability of pipeline fitting container in prior art.
To achieve these goals, according to an aspect of the present utility model, a kind of pipeline fitting pressure testing system is provided, this pipeline fitting pressure testing system comprises to pipeline fitting to be measured and applies pulse and detect 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 that 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 that holds medium, and the height of container cavity is higher than the height of media storage portion.
Further, pipeline fitting pressure testing system also comprises worktable, is provided with test platform and proving installation on worktable, and test platform comprises: matrix, is arranged on worktable; 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 a plurality of, and a plurality of test splices arrange along the bearing of trend interval of testing conduit, are provided with the second operation valve of controlling this test splice break-make on each test splice.
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, between medium supply unit and the first connecting pipe, be connected with the second connecting pipe, medium supply unit comprises: holding box, the container cavity of formation medium supply unit in it; The 3rd connecting pipe, is connected to the bottom of holding box; Adapter, is arranged on worktable, and is connected between the 3rd connecting pipe and the second connecting pipe; The 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, be arranged on worktable, and there is the storage chamber of storage medium, storage chamber is connected with the first connecting pipe; Boxcar, is connected between drive division and media storage box, has the first cavity being connected with storage chamber and is arranged on movably the sealing-plug in the first cavity, and drive division is connected with sealing-plug and drives sealing-plug motion.
Further, control part comprises: processor, be connected with drive division with detecting unit respectively, and for controlling the pulse of drive division output, and obtain the pressure signal that detecting unit detects and judge that whether pipeline fitting to be measured is in leak condition; Timer, is electrically connected to processor, for measuring the test duration of pipeline fitting to be measured, and the life-span of definite pipeline fitting to be measured; Counter, is electrically connected to processor, for measuring the number of the pulse of drive division output.
Application the technical solution of the utility model, pipeline fitting pressure testing system comprises to pipeline fitting to be measured and applies pulse and detect 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 that 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 that holds medium, and the height of container cavity is higher than the height of media storage portion.By drive division, apply the working environment that pulse is simulated pipeline fitting to be measured can to pipeline fitting to be measured, detecting unit can detect the force value in pipeline fitting to be measured and be transferred to controller, and then whether controller can be judged pipeline fitting to be measured by force value and leak, and then draw the reliability of pipeline fitting to be measured, and there is the possible situation of leaking in pipeline fitting to be measured.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the perspective view of the pipeline fitting pressure testing system of embodiment of the present utility model;
Fig. 2 shows according to the perspective view of the test platform of the pipeline fitting pressure testing system of Fig. 1; And
Fig. 3 shows according to the front view of the pipeline fitting pressure testing system of Fig. 1;
Fig. 4 shows the process flow diagram of the pipeline fitting method for testing pressure of embodiment of the present utility model.
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, drive cylinder; 81, timer; 82, counter; 83, power light.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the utility model in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figure 1, according to embodiment of the present utility model, pipeline fitting pressure testing system comprises to pipeline fitting to be measured and applies pulse and detect 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.
Pipeline fitting to be measured is communicated with media storage portion 30, by medium supply unit 40, Filled Dielectrics is arrived in media storage portion 30 and pipeline fitting to be measured, then by drive division, to the medium in media storage portion 30, apply pulse, medium is passed to test pipeline fitting by this pulse, and then simulate the pulsed operation environment of pipeline fitting to be measured, finally can detect the pressure signal in pipeline fitting to be measured by detecting unit, and by pressure signal transmission to control part, control part judges according to this pressure signal whether pipeline fitting to be measured exists leakage.
Pipeline fitting test macro of the present utility model is subject to the working environment of pulse by simulation pipeline fitting, 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 that can test exactly pipeline fitting to be measured, and solve in advance pipeline fitting to be measured and may occur the defect of leaking, the functional reliability of lift line part.
The medium that transmits pulse is fluid, for example air, water, hydraulic pressure wet goods.Medium in the present embodiment is hydraulic oil.
Pipeline fitting pressure testing system also comprises worktable 10, is provided with test platform 20 and proving installation on worktable 10.
In conjunction with referring to Fig. 2, test platform 20 is fixedly connected with worktable 10, and test platform 20 can be from worktable 10 dismountings.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 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 is 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 pipeline fitting to be measured is installed, and medium is by flowing in pipeline fitting to be measured from test splice 21 after testing conduit 24.Pressure gauge connection 23 arranges corresponding to testing conduit 24, to facilitate, tensimeter is set.
Preferably, the quantity of the test splice 21 on test platform 20 is a plurality of, and a plurality of test splices 21 are disposed on testing conduit 24 along the bearing of trend of testing conduit 24, is provided with the second operation valve 22 of controlling these test splice 21 break-makes on each test splice 21.A plurality of test splices 21 are arranged in parallel can realize on testing conduit 24 how group pipeline fitting to be measured is tested simultaneously, improves testing efficiency, saves the test duration.Each the second operation valve 22 is controlled the break-make of a test splice corresponding with it 21, the quantity of the test splice 21 of control and participate in test job as required, thereby possess better applicability.
Preferably, in the present embodiment, between media storage portion 30 and testing conduit 24, by the first connecting pipe 51, be connected, the first connecting pipe 51 is provided with the first tensimeter 61 with the junction of testing conduit 24.The first tensimeter 61 is arranged on the junction of testing conduit 24 and the first connecting pipe 51 by pressure gauge connection 23, the first tensimeter 61 can facilitate the pressure on staff's Real-Time Monitoring connecting line, and according to the running parameter of the force value adjustment pipeline fitting pressure testing system monitoring, further improve applicability.
In conjunction with referring to 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, and storage chamber is communicated with the first connecting pipe 51.Boxcar 31 is connected between drive division and media storage box 32, has the first cavity being communicated with storage chamber and is arranged on movably the sealing-plug in the first cavity, and drive division is connected with sealing-plug and drives sealing-plug motion.During work, drive division, by driving sealing-plug to move up and down, applies surging force with the medium to being positioned at the first cavity and storage chamber, and medium is passed to surging force in pipeline fitting to be measured, to realize the object of simulation 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, and one end of the cylinder body of driving cylinder 70 is 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, such as drive division, can be hydraulic cylinder or motor-driven structure etc.
In conjunction with referring to Fig. 1, between medium supply unit 40 and the first connecting pipe 51, by the second connecting pipe 52, be connected, medium supply unit 40 comprises holding box 41, the 3rd connecting pipe, adapter 43 and the first operation valve 42.
Wherein, be formed with the container cavity of medium supply unit 40 in holding box 41, holding box 41 is for holding medium, and when needed to filled media in the pipeline of proving installation and pipeline fitting to be measured.The height of the container cavity in the present embodiment is higher than the height in storage chamber, thus can be not by external force and only with the gravity of fluid self to the interior filled media of media storage portion 30, saved the energy.In the present embodiment, holding box 41 is inversed taper platform shape, also 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.
The 3rd connecting pipe is connected to the bottom of holding box 41, and provides installation site for the first operation valve 42.The first operation valve 42 is arranged on the 3rd connecting pipe, and controls as required the break-make of the 3rd connecting pipe.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 changes the flow direction of fluid, and avoids the generation of eddy current.In other embodiments, adapter 43 and the 3rd connecting pipe can be set, and directly holding box 41 be connected on the second connecting pipe 52, the first operation valve 42 is directly connected 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 places.Pressure transducer is for detection of the force value in pipeline fitting to be measured, and force value is converted to pressure signal transmission.In test process, the force value in pipeline fitting to be measured equates substantially with the force value at test splice 21 places, thereby the force value at detection test splice 21 places can obtain the force value in pipeline fitting to be measured.Pressure transducer is arranged on to test splice 21 places, without the structure of destroying pipeline fitting to be measured, thereby can guarantees the accuracy of test.
Control part comprises processor, timer 81 sum counters 82.
Processor is connected and receives the pressure signal of detecting unit transmission with detecting unit, according to this pressure signal processor, whether can judge pipeline fitting to be measured in leak condition.Processor is also connected with drive division, and controls drive division output pulse.Processor can be 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 the working environment of accurate simulation pipeline fitting to be measured.
In the present embodiment, pipeline fitting to be measured has the first end that matches with test splice 21 and second end relative with this first end, at 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 sealing, to avoid medium to overflow in pipeline fitting to be measured under the effect of pulse.
In conjunction with referring to Fig. 1, worktable 10 comprises rectangular-shaped top plate and three columns that vertically arrange, and three summits of the first end of three root posts and rectangular-shaped top plate arrange correspondingly, to form good support.Between a root post that the summit of column is not set in this rectangular-shaped top plate and is adjacent, be provided with control part, control part vertically arranges, and the side that control part has visual panel is towards user.User can operate visual panel as required, and each parameter is set, such as test duration, pulse value, alarm pressure value, pulse number of times etc. are set.
Preferably, on control part, be also provided with power light 83, whether be used to indicate pipeline fitting pressure testing system in open state.
Between three root posts of worktable 10, be also provided with the second installing plate, 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.The first connecting pipe 51 is connected to the bottom of the media storage box 32 of media storage portion 30, and level is extended to the direction near 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 arranges upward, and pipeline fitting to be measured is connected on test splice 21 and straight up.
A side at the first connecting pipe 51 is connected with the second connecting pipe 52, and 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 can be also other fluid, and for example air, or fluid-mixing is such as potpourri of hydraulic oil and air etc.
In conjunction with referring to Fig. 4, according on the other hand of the present utility model, the pipeline fitting method for testing pressure of 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 according to comparing result whether pipeline fitting to be measured leaks.
Utilize the character of fluid media (medium) self to media storage portion 30 filled medias, can not use extra power to carry out Filled Dielectrics, saved the energy.By test pressure value and scheduled pressure value contrast, can accurately judge pipeline fitting to be measured and whether leak, and then can access accurate test result, accurately know the life-span of pipeline fitting to be measured, and the situation of possible generation leakage.
Also comprise before step S10 and check that whether pipeline fitting pressure testing system is in off-mode, if shutdown needs first the shutdown of pipeline fitting pressure testing system, to avoid causing dielectric leakage or excessive in Filled Dielectrics process.
Guarantee that after off-mode, step S10 comprises the steps: S11: pipeline fitting to be measured is mounted to test splice 21; In order to follow-up test.
S111: observe medium in the holding box of medium supply unit 40 whether within the scope of regulation liquid level, if be less than regulation liquid level scope to filled media in holding box, to guarantee that medium can be full of pipeline fitting to be measured, and then guarantee measuring accuracy.If normal open the first operation valve 42 to being filled with medium in the pipeline of proving installation, and discharge the air in proving installation; Now the 3rd operation valve 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: to injected media in pipeline fitting to be measured;
S121: seal 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 is controlled drive division and applied 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, set desired parameters, such as pulse value, recurrence interval, test duration etc.Set afterwards alarm pressure value, the force value detecting when pressure transducer represents that pipeline fitting to be measured produces during lower than alarm pressure value leaks, and needs to report to the police.
After above-mentioned setting parameter is complete, can controls and drive cylinder 70 motions, to medium, apply pulse.After having tested, also comprising medium recycling step, is also S40: open the first operation valve 42 and the second operation valve 22, drive division drives sealing-plug to move downward to media storage box 32 bottoms, and medium is pushed back in medium supply unit 40.Now, the most of medium in media storage portion 30 can be pushed back in medium supply unit 40, in order to using next time.Medium in pipeline fitting to be measured can reclaim by alternate manner, for example, by pump, extract the medium in pipeline fitting to be measured, and is transmitted back in medium supply unit 40; Or by drive division, drive sealing-plug to-and-fro movement to extract the medium in pipeline fitting to be measured, close afterwards the second operation valve 22 to avoid medium back flow, then medium force feed is returned in medium supply unit 40, medium is closed the first operation valve 42 and is prevented from revealing after reclaiming.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect: pipeline fitting pressure testing system can accurately be tested the life-span of pipeline fitting to be measured, improves the safety and reliability of pipeline fitting work to be measured.By the character filled media of fluid media (medium) self, without by external force, saved the energy, reduce device quantity simultaneously and save installing space.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a pipeline fitting pressure testing system, is characterized in that, comprises to pipeline fitting to be measured and applies pulse and detect the proving installation of described pipeline fitting state to be measured, and 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 that 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 that holds 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), is provided with test platform (20) and described proving installation on described worktable (10), 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) upper, 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 a plurality of, described a plurality of test splice (21) arranges along the bearing of trend interval of described testing conduit (24), is provided with the second operation valve (22) of controlling this test splice (21) break-make on test splice described in each (21).
4. pipeline fitting pressure testing system according to claim 2, it is characterized in that, between described media storage portion (30) and described testing conduit (24), be connected with the first connecting pipe (51), described the 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, between described medium supply unit (40) and described the first connecting pipe (51), is connected with the second connecting pipe (52), and described medium supply unit (40) comprising:
Holding box (41), the described container cavity of the described medium supply unit of formation (40) in it;
The 3rd connecting pipe, is connected to the bottom of described holding box (41);
Adapter (43), is arranged on described worktable (10) upper, and is connected between described the 3rd connecting pipe and described the second connecting pipe (52);
The first operation valve (42), is arranged on described the 3rd connecting pipe, and controls the break-make of described the 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) upper, has the storage chamber of the described medium of storage, and described storage chamber is connected with described the first connecting pipe (51);
Boxcar (31), be connected between described drive division and described media storage box (32), have the first cavity being connected with described storage chamber and be arranged on movably the sealing-plug in described the first cavity, described drive division is connected with described sealing-plug and drives described sealing-plug motion.
7. pipeline fitting pressure testing system according to claim 2, is characterized in that, described control part comprises:
Processor, is connected with described drive division with described detecting unit respectively, for controlling the described pulse of described drive division output, and obtains the described pressure signal that described detecting unit detects and judges that whether described pipeline fitting to be measured is in leak condition;
Timer (81), is electrically connected to described processor, for measuring the test duration of described pipeline fitting to be measured, and the life-span of definite described pipeline fitting to be measured;
Counter (82), is electrically connected to described processor, for measuring the number of the pulse of described drive division output.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585201.3U CN203479480U (en) | 2013-09-22 | 2013-09-22 | pipeline pressure testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585201.3U CN203479480U (en) | 2013-09-22 | 2013-09-22 | pipeline pressure testing system |
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| CN203479480U true CN203479480U (en) | 2014-03-12 |
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| CN201320585201.3U Expired - Fee Related CN203479480U (en) | 2013-09-22 | 2013-09-22 | pipeline pressure testing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458160A (en) * | 2013-09-22 | 2015-03-25 | 珠海格力电器股份有限公司 | Pipeline piece pressure testing system and pressure testing method thereof |
| CN104990816A (en) * | 2015-07-14 | 2015-10-21 | 珠海格力电器股份有限公司 | Pulse testing device |
| CN105181251A (en) * | 2015-09-22 | 2015-12-23 | 山东康迪泰克工程橡胶有限公司 | Pulse segmented pressure testing device and pressure testing method |
| CN106872121A (en) * | 2017-02-20 | 2017-06-20 | 山东科技大学 | A kind of sealing of circular corrosion pressurised pipeline, impact test system and experimental technique |
| CN110514370A (en) * | 2019-08-30 | 2019-11-29 | 安徽江淮汽车集团股份有限公司 | A kind of device for detecting sealability |
| CN112595523A (en) * | 2020-11-23 | 2021-04-02 | 一汽解放汽车有限公司 | PVT test system |
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2013
- 2013-09-22 CN CN201320585201.3U patent/CN203479480U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458160A (en) * | 2013-09-22 | 2015-03-25 | 珠海格力电器股份有限公司 | Pipeline piece pressure testing system and pressure testing method thereof |
| CN104458160B (en) * | 2013-09-22 | 2018-01-23 | 珠海格力电器股份有限公司 | Pipeline piece pressure testing system and pressure testing method thereof |
| CN104990816A (en) * | 2015-07-14 | 2015-10-21 | 珠海格力电器股份有限公司 | Pulse testing device |
| CN105181251A (en) * | 2015-09-22 | 2015-12-23 | 山东康迪泰克工程橡胶有限公司 | Pulse segmented pressure testing device and pressure testing method |
| CN106872121A (en) * | 2017-02-20 | 2017-06-20 | 山东科技大学 | A kind of sealing of circular corrosion pressurised pipeline, impact test system and experimental technique |
| CN106872121B (en) * | 2017-02-20 | 2019-02-22 | 山东科技大学 | A kind of sealing, impact test system and the experimental method of round corrosion pressurised pipeline |
| CN110514370A (en) * | 2019-08-30 | 2019-11-29 | 安徽江淮汽车集团股份有限公司 | A kind of device for detecting sealability |
| CN110514370B (en) * | 2019-08-30 | 2020-12-01 | 安徽江淮汽车集团股份有限公司 | Tightness detection device |
| CN112595523A (en) * | 2020-11-23 | 2021-04-02 | 一汽解放汽车有限公司 | PVT test system |
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