CN102313627A - Weld bead leakage detection cladding ring and system and method thereof - Google Patents
Weld bead leakage detection cladding ring and system and method thereof Download PDFInfo
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- CN102313627A CN102313627A CN2011101846860A CN201110184686A CN102313627A CN 102313627 A CN102313627 A CN 102313627A CN 2011101846860 A CN2011101846860 A CN 2011101846860A CN 201110184686 A CN201110184686 A CN 201110184686A CN 102313627 A CN102313627 A CN 102313627A
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- welding bead
- belt body
- fluid
- ring
- pipeline
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- 239000011324 bead Substances 0.000 title claims abstract description 90
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title abstract description 5
- 238000005253 cladding Methods 0.000 title abstract 2
- 238000003466 welding Methods 0.000 claims abstract description 87
- 239000012530 fluid Substances 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims abstract description 33
- 230000004888 barrier function Effects 0.000 claims description 39
- 238000000576 coating method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 22
- 229910052734 helium Inorganic materials 0.000 claims description 17
- 239000001307 helium Substances 0.000 claims description 17
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 17
- 239000000853 adhesive Substances 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 abstract 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 238000007689 inspection Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a welding bead leakage detection cladding ring and a system and a method thereof. The material of the strip-shaped body comprises flexible material. The band-shaped body is used for surrounding the welding bead on the side wall of the pipeline. The blocking walls are respectively positioned on two opposite sides of the strip-shaped body along the length direction of the strip-shaped body, and the blocking walls extend towards the same direction, so that the gap between the strip-shaped body and the side wall of the pipeline is sealed, a fluid flowing space is formed among the blocking walls, the strip-shaped body and the side wall of the pipeline, and the welding bead is coated in the fluid flowing space. According to the invention, because the fluid is restrained in the specific area around the weld bead by the covering ring, when the sensor detects that the fluid content in the pipeline reaches the threshold value, the leakage point on the weld bead covered by the covering ring can be determined, and the problem that the judgment cannot be carried out is avoided.
Description
Technical field
The present invention relates to a kind of welding bead pick-up unit, and relate in particular to a kind of welding bead system of leaking hunting.
Background technology
Existing welding bead detects has the hydraulic testing (Water Pressure Leak Test) haply, magnetic particle inspection (Magnetic Particle Inspection), bleeding agent check (Liquid Penetrant Inspection), ultrasonic flaw detection (Ultrasonic Inspection), RADI (Radiography Inspection), helium are leaked hunting etc.Therefore the characteristics such as having compatibility is high, quick, non-destructive detection because helium leaks hunting often are used in the industrial site.
Existing helium to the pipeline welding bead leaks hunting, and mainly is at the outside spray of pipeline helium, in the inner detecting of pipeline whether the helium seepage is arranged.Yet this mode is on practice, and the operator can't correctly judge the position of leakage point.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of welding bead to leak hunting and coats ring and system and method thereof; This welding bead leaks hunting and coats ring and can be applicable to welding bead and leak hunting in the system; The helium of ejection is restrained in the specific region around the welding bead difficulty that solves prior art whereby and suffered from.
According to an embodiment of the present invention, a kind of welding bead leaks hunting and coats ring and comprise a belt body and two barrier ribs.The material of belt body comprises the flexible material.This belt body is in order to the welding bead on the surrounding tube trackside wall.Barrier rib lays respectively at two opposite side of belt body along its length direction; And these barrier ribs all extend in the same direction; Seal the gap between belt body and the pipeline sidewall whereby; Make to form fluid circulation space between barrier rib, belt body and the pipeline sidewall, and let welding bead be coated in the fluid circulation space.
In one or more embodiment of the present invention, above-mentioned belt body has first end and second end, and above-mentioned welding bead leaks hunting and coats ring and more comprise a fastener.First end and second end of this fastener in order to detain belt body, and between first end of belt body and second end, keep a breach, the breach communication of fluid flowing space makes that fluid can be from the breach incoming fluid flowing space.
In one or more embodiment of the present invention, above-mentioned welding bead leaks hunting to coat to encircle and more comprises at least one adhesive agent.This adhesive agent is in order to be attached to barrier rib two opposite side of belt body along its length direction.
In one or more embodiment of the present invention, the material of above-mentioned belt body comprises PVC (polyvinyl chloride; PVC), nonrigid plastic, rubber, metal or above-mentioned combination in any.
In one or more embodiment of the present invention, the material of above-mentioned barrier rib comprises the flexible material.
In one or more embodiment of the present invention, the material of above-mentioned barrier rib comprises expanded material.
In one or more embodiment of the present invention, the width of above-mentioned belt body is about 2 to 4 centimeters.
Another technological aspect of the present invention is a kind of welding bead system of leaking hunting.
Another embodiment according to the present invention, a kind of welding bead system of leaking hunting comprises at least one pipeline, at least one welding bead, coats ring, a fluid source and a sensor.Pipeline comprises sidewall.Welding bead is positioned on the sidewall.Coat ring and comprise a belt body and two barrier ribs.Belt body is around welding bead, and this belt body has first end and second end, is formed with breach between first end and second end.Barrier rib lays respectively at two opposite side of belt body along its length direction; And these barrier ribs all extend in the same direction on sidewall; The position of adjoining the relative both sides of welding bead; Seal the gap between belt body and the sidewall whereby, make to form fluid circulation space between barrier rib, belt body and the sidewall.Fluid source is in order to inject fluid circulation space from breach with fluid.Sensor is in order to the inner fluid content of signal piping.
In one or more embodiment of the present invention, above-mentioned coating ring comprises a fastener.First end and second end of this fastener in order to detain belt body.
In one or more embodiment of the present invention, above-mentioned coating ring more comprises at least one adhesive agent.This adhesive agent is in order to be attached to barrier rib two opposite side of belt body along its length direction.
In one or more embodiment of the present invention, the material of above-mentioned belt body comprises the flexible material.
In one or more embodiment of the present invention, the material of above-mentioned barrier rib comprises expanded material.
In one or more embodiment of the present invention, above-mentioned fluid source is the helium rifle, and above-mentioned sensor is the helium leak detector.
A technological aspect more of the present invention is a kind of welding bead leak detection method.
The embodiment again according to the present invention; A kind of welding bead leak detection method comprises the following step and (should be appreciated that mentioned step in this embodiment is except that chatting bright its order person especially; All can adjust its front and back order, even can carry out simultaneously simultaneously or partly according to actual needs.)：
(a) banded coating ring is provided.
(b) curl to coat ring and be positioned at the welding bead on the sidewall of pipeline with coating, make to coat between ring and the sidewall to form fluid circulation space, wherein coat between the head and the tail two ends of ring and remain with breach, this breach communication of fluid flowing space.
(c) from breach fluid is injected fluid circulation space.
(d) the inner fluid content of signal piping.
In one or more embodiment of the present invention, above-mentioned fluid is a helium.
In one or more embodiment of the present invention, above-mentioned step (b) comprises uses fastener to fasten the head and the tail two ends that coat ring.
In one or more embodiment of the present invention, when above-mentioned welding bead leak detection method more is included in the fluid content of signal piping inside, make pipeline inside be negative pressure state.
Above-mentioned embodiment of the present invention and known prior art are compared, and have the following advantages at least:
(1) because fluid is coated ring restrains in the specific region around the welding bead, therefore, when sensor when the fluid content of pipeline inside reaches threshold value, just can confirm to coat on the welding bead that ring coats has leakage point, and does not have the problem that can't judge.
(2) because fluid is coated ring restrains in the specific region around the welding bead, therefore can effectively reduce the use amount of fluid, and the waste that does not have loss and caused.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 illustrates the leak hunting synoptic diagram of system of welding bead according to an embodiment of the present invention.
Fig. 2 illustrates the stereographic map of the part 2 of Fig. 1.
The coating that Fig. 3 illustrates Fig. 1 encircles the partial perspective view when shakeouing.
Wherein, Reference numeral:
2: the part
100: pipeline
110: sidewall
200: welding bead
300: coat ring
303: breach
305: fluid circulation space
310: belt body
312: the first ends
314: the second ends
320: barrier rib
330: adhesive agent
340: fastener
400: fluid source
500: sensor
L: length direction
Embodiment
Below will be with graphic exposure a plurality of embodiments of the present invention, for the purpose of offering some clarification on, the details on many practices will explanation in the lump in following narration.Yet, should be appreciated that the details on these practices is not used with restriction the present invention.That is to say that in part embodiment of the present invention, the details on these practices is inessential.In addition, for the purpose of simplicity of illustration, some existing structures of habitually practising and assembly will illustrate with the mode of simple signal in graphic.
Fig. 1 illustrates the leak hunting synoptic diagram of system of welding bead according to an embodiment of the present invention.Fig. 2 illustrates the stereographic map of the part 2 of Fig. 1.As shown in the figure, a kind of welding bead system of leaking hunting comprises at least one pipeline 100, at least one welding bead 200, coats ring 300, one fluid source 400 and a sensor 500.Pipeline 100 comprises sidewall 110.Welding bead 200 is positioned on the sidewall 110.Coat ring 300 and comprise a belt body 310 and two barrier ribs 320.Belt body 310 is around welding bead 200, and this belt body 310 has between first end 312 and second end, 314, the first ends 312 and second end 314 and is formed with breach 303.Barrier rib 320 lays respectively at two opposite side of belt body 310 along its length direction L; And these barrier ribs 320 all extend in the same direction on sidewall 110; The position of adjoining welding bead 200 relative both sides; Seal the gap between belt body 310 and the sidewall 110 whereby, make to form fluid circulation space 305 between barrier rib 320, belt body 310 and the sidewall 110, and let welding bead 200 be coated in the fluid circulation space 305.Fluid source 400 is in order to inject fluid circulation space 305 from breach 303 with fluid.Sensor 500 is in order to the fluid content of signal piping 100 inside.
Should be appreciated that the length direction L of belt body 310 should be defined as the direction of belt body 310 around welding bead 200.In this embodiment, the length direction L of belt body 310 is in the three-dimensional dimension of belt body 310, the direction of size numerical value the maximum.Above vocabulary definition will be continued to use in whole part of instructions and claim, no longer repeat to give unnecessary details.
In use; Because being coated ring 300, restrains in the specific region around the welding bead 200 fluid; Therefore when sensor 500 detects pipeline 100 inner fluid contents and reaches threshold value, just can confirm to coat to encircle on 300 welding beads 200 that coated has leakage point, and does not have the problem that can't judge.In addition, also, therefore, can effectively reduce the use amount of fluid because fluid is coated ring 300 restrains in the specific region around the welding bead 200, and the waste that does not have loss and caused.
In general, above-mentioned threshold value should be determined by factors such as the background value of the kind of sensor 500, fluid and allowable errors jointly.Those skilled in the art can decide threshold value in its sole discretion according to actual needs, and the generic threshold value of being advised in the perhaps direct instructions with sensor 500 is as threshold value.
Should be appreciated that three welding beads 200 there be (one of them is 300 coatings of coating ring) on the pipeline 100 though Fig. 1 illustrates, in fact the welding bead 200 on the pipeline 100 might be one or more.In general liquid crystal panel factory, the spacing between welding bead 200 and the welding bead 200 is general most more than 4 meters.But in the specific region, the spacing between welding bead 200 and the welding bead 200 maybe be less, even the welding bead 200 more than 3 or 3 is just arranged in 10 centimeters.Therefore, those skilled in the art should look the embodiment that actual needs elasticity is selected pipeline 100 and welding bead 200.
On factory's practice, the size and shape of pipeline 100 possibly have many kinds.For compatible with the pipeline 100 of various sizes/shape; The material of the belt body 310 of this embodiment can comprise the flexible material; Making things convenient for the user to coat welding bead 200 (being illustrated) with the mode that curl to coat ring 300 in use, and needn't design the coating ring 300 of different size/shapes to the pipeline 100 of various sizes/shape like Fig. 2.In addition, when not using, the user also can shakeout coating ring 300 like Fig. 3 and illustrate, and stores with convenient for collecting.On practice, the material of above-mentioned belt body 310 can comprise PVC (polyvinyl chloride; PVC), nonrigid plastic, rubber, metal or above-mentioned combination in any.
The width of above-mentioned belt body 310 should be looked actual needs and decide, if sidewall 110, belt body 310 and barrier rib 320 between the fluid circulation space that forms 305 can really welding bead 200 be contained in wherein.Lifting general liquid crystal panel factory is example, and in 1 centimeter, for the welding bead 200 that cooperates this size, the width of above-mentioned belt body 310 can be about 2 to 4 centimeters to general liquid crystal panel factory welding bead 200 width commonly used mostly.
The material of above-mentioned barrier rib 320 also can comprise the flexible material, to guarantee to coat the pliability of ring 300 integral body.In addition; In one or more embodiment of the present invention; The elasticity of compression that the material of above-mentioned barrier rib 320 can let barrier rib 320 itself have to a certain degree; Make that when barrier rib 320 was supporting the sidewall 110 of pipeline 100, barrier rib 320 received compression slightly, let the fluid can't be from the slit loss between barrier rib 320 and the sidewall 110.On practice, the material of above-mentioned barrier rib 320 can comprise expanded material, for example: foaming polyamine formic ether (polyurethane foam; PU foam).
On making, the fabricator can use adhesive agent 330 that barrier rib 320 is attached to two opposite side of belt body 310 along its length direction L respectively.Should be appreciated that this manufacture is merely illustration, is not that those skilled in the art should look actual needs elasticity and select its manufacture in order to restriction the present invention.For instance, under the situation of material permission, the fabricator also can select the mode with injection molding, the belt body 310 and barrier rib 320 that are made into one and are shaped.
In this embodiment, above-mentioned coating ring 300 more can comprise a fastener 340.This fastener 340 can be used for detaining first end 312 and second end 314 of belt body 310, make belt body 310 can be wrapped in welding bead 200 around.In addition; When fastener 340 is being detained first end 312 and second end 314 of belt body 310; To still keep breach 303 between first end 312 of belt body 310 and second end 314; These breach 303 communication of fluid flowing spaces 305 make that fluid can be from the breach 303 incoming fluid flowing spaces 305.
Should be appreciated that above-mentioned fastener 340 and inessential assembly.When coating pipeline 100 sizes that ring 300 desires coat hour, coat on the ring 300 and also fastener 340 can be set, and directly holding up belt body 310 with user's hand, let belt body 310 be wrapped in welding bead 200 around.
In this embodiment, above-mentioned fluid source 400 can be the helium rifle, and above-mentioned sensor 500 can be the helium leak detector, with make things convenient for the user according to this welding bead system of leaking hunting carry out helium and leak hunting.Certainly, more than the fluid source lifted 400 all be merely illustration with sensor 500, be not in order to restriction the present invention, those skilled in the art should look the fluid that the is carried out mode of leaking hunting, elasticity is selected the kind of fluid source 400 and sensor 500.
In this embodiment, in order not influence the pipeline 100 of assembling completion, sensor 500 can be connected the least significant end of pipeline 100.But the present invention is not limited in this position, in fact sensor 500 also can be in any position connecting line 100, as long as can signal piping 100 inner fluid contents.
Another technological aspect of the present invention is for using the welding bead leak detection method of above-mentioned coating ring 300.In following narration, the technology contents of in a last embodiment, having mentioned will no longer repeat to give unnecessary details, and the method for application that only just coats ring 300 is further replenished, close chat earlier bright.
According to an embodiment of the present invention; A kind of welding bead leak detection method comprises the following step and (should be appreciated that mentioned step in this embodiment is except that chatting bright its order person especially; All can adjust its front and back order, even can carry out simultaneously simultaneously or partly according to actual needs.)：
(a) banded coating ring 300 (illustrating like Fig. 3) is provided.
(b) curl to coat ring 300 and be positioned at the welding bead 200 on the sidewall 110 of pipeline 100 with coating; Make to coat and form fluid circulation space 305 between ring 300 and the sidewall 110; Wherein remain with breach 303, these breach 303 communication of fluid flowing spaces 305 (illustrating) between the head and the tail two ends of coating ring 300 like Fig. 2.
(c) from breach 303 fluid is injected fluid circulation space (illustrating like Fig. 1).
(d) fluid content (illustrating like Fig. 1) of signal piping 100 inside, in case pipeline 100 inner fluid contents surpass threshold value, promptly concluding on the welding bead 200 has leakage point.
In this embodiment, if the size of pipeline 100 is bigger, the user can use fastener 340 to fasten the head and the tail two ends (illustrating like Fig. 2) that coat ring 300, lets the user can be always encircle 300 with hand steered coating, gets final product the action of completing steps (b).Certainly, if the size of pipeline 100 is less, the user also can not use fastener 340, and directly with hand steered the ring 300, the action of completing steps (b) of coating.
In this embodiment, if user's desire is carried out helium to welding bead 200 and leaked hunting, the fluid that then above-mentioned step (c) is injected can be helium.Certainly, more than the fluid lifted be merely illustration, be not that technical field has common knowledge the knowledgeable under the present invention in order to restriction the present invention, should look the fluid that the is carried out mode of leaking hunting, elasticity is selected the kind of fluid.
When the inner fluid content of signal piping 100, the user can let pipeline 100 inside be negative pressure state.Thus, in case leakage point occurs on the welding bead 200, fluid will get into pipeline 100 inside through leakage point soon, lets pipeline 100 inner fluid contents surpass threshold value.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (17)
1. a welding bead leaks hunting and coats ring, it is characterized in that, comprises:
One belt body, the material of this belt body comprises the flexible material, in order to around the welding bead on the pipeline sidewall; And
Two barrier ribs; Lay respectively at two opposite side of this belt body along its length direction; And this barrier rib all extends in the same direction; Seal the gap between this belt body and this pipeline sidewall whereby, make to form a fluid flowing space between this barrier rib, this belt body and this pipeline sidewall, and let this welding bead be coated in this fluid circulation space.
2. welding bead according to claim 1 leaks hunting and coats ring, it is characterized in that this belt body has one first end and one second end; And
One fastener; In order to this first end and this second end of detaining this belt body; And between this first end of this belt body and this second end, keeping a breach, this breach is communicated with this fluid circulation space, makes first-class body to flow into this fluid circulation space from this breach.
3. welding bead according to claim 1 leaks hunting and coats ring, it is characterized in that, more comprises:
At least one adhesive agent is in order to be attached to this barrier rib this belt body this two opposite side along its length direction.
4. welding bead according to claim 1 leaks hunting and coats ring, it is characterized in that the material of this belt body comprises PVC, nonrigid plastic, rubber, metal or above-mentioned combination in any.
5. welding bead according to claim 1 leaks hunting and coats ring, it is characterized in that the material of this barrier rib comprises the flexible material.
6. welding bead according to claim 1 leaks hunting and coats ring, it is characterized in that the material of this barrier rib comprises expanded material.
7. welding bead according to claim 1 leaks hunting and coats ring, it is characterized in that the width of this belt body is about 2 to 4 centimeters.
8. welding bead system of leaking hunting is characterized in that, comprises:
At least one pipeline comprises a sidewall;
At least one welding bead is positioned on this sidewall;
One coats ring, comprises:
One belt body, around this welding bead, and this belt body has one first end and one second end,
Be formed with a breach between this first end and this second end; And
Two barrier ribs; Lay respectively at two opposite side of this belt body along its length direction; And this barrier rib all extends in the same direction on this sidewall; The position of adjoining these relative both sides of welding bead seals the gap between this belt body and this sidewall whereby, makes to form a fluid flowing space between this barrier rib, this belt body and this sidewall;
One fluid source is in order to inject this fluid circulation space from this breach with a fluid; And
One sensor is in order to detect the inner fluid content of this pipeline.
9. the welding bead according to claim 8 system of leaking hunting is characterized in that, this coating ring comprises:
One fastener is in order to this first end and this second end of detaining this belt body.
10. the welding bead according to claim 8 system of leaking hunting is characterized in that, this coating ring comprises:
At least one adhesive agent is in order to be attached to this barrier rib this belt body this two opposite side along its length direction.
The system 11. welding bead according to claim 8 leaks hunting is characterized in that the material of this belt body comprises the flexible material.
The system 12. welding bead according to claim 8 leaks hunting is characterized in that the material of this barrier rib comprises expanded material.
The system 13. welding bead according to claim 8 leaks hunting is characterized in that, this fluid source is a helium rifle, and this sensor is a helium leak detector.
14. a welding bead leak detection method is characterized in that, comprises:
(a) a banded coating ring is provided;
(b) this coatings of curling encircles with coating and is positioned at least one welding bead on the sidewall of a pipeline; Make to coat and form a fluid flowing space between ring and this sidewall; Wherein remain with a breach between the head and the tail two ends of this coating ring, this breach is communicated with this fluid circulation space;
(c) from this breach one fluid is injected this fluid circulation space; And
(d) detect the inner fluid content of this pipeline.
15. welding bead leak detection method according to claim 14 is characterized in that, this fluid is a helium.
16. welding bead leak detection method according to claim 14 is characterized in that, this step (b) comprises:
(b1) use a fastener to fasten the head and the tail two ends of this coating ring.
17. welding bead leak detection method according to claim 14 is characterized in that, more comprises:
When detecting the fluid content of this pipeline inside, make this pipeline inside be negative pressure state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100115620 | 2011-05-04 | ||
| TW100115620A TWI458954B (en) | 2011-05-04 | 2011-05-04 | Covering ring for conducting weld leak check and system and method using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102313627A true CN102313627A (en) | 2012-01-11 |
| CN102313627B CN102313627B (en) | 2013-11-06 |
Family
ID=45426988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110184686 Expired - Fee Related CN102313627B (en) | 2011-05-04 | 2011-06-28 | Weld bead leakage detection cladding ring and system and method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102313627B (en) |
| TW (1) | TWI458954B (en) |
Cited By (7)
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| CN103471780A (en) * | 2013-08-27 | 2013-12-25 | 宁波明欣化工机械有限责任公司 | System and method for detecting welding seam of end cover of sealed container |
| CN103776596A (en) * | 2014-02-24 | 2014-05-07 | 中国科学院电子学研究所 | Portable vacuum leak detection bag |
| CN105910761A (en) * | 2016-05-11 | 2016-08-31 | 中国石油大学(华东) | Tube flange gas leakage detection device |
| CN105953982A (en) * | 2016-05-12 | 2016-09-21 | 中国石油大学(华东) | Pipe flange gas leakage detection device |
| CN108896245A (en) * | 2018-07-12 | 2018-11-27 | 东莞职业技术学院 | A kind of aircraft wing air-tightness detection device |
| CN110231131A (en) * | 2019-06-29 | 2019-09-13 | 广东利元亨智能装备股份有限公司 | Airtightness test technology |
| CN112289469A (en) * | 2020-11-03 | 2021-01-29 | 浙江伦特机电有限公司 | Leakage testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103471780A (en) * | 2013-08-27 | 2013-12-25 | 宁波明欣化工机械有限责任公司 | System and method for detecting welding seam of end cover of sealed container |
| CN103776596A (en) * | 2014-02-24 | 2014-05-07 | 中国科学院电子学研究所 | Portable vacuum leak detection bag |
| CN103776596B (en) * | 2014-02-24 | 2016-08-24 | 中国科学院电子学研究所 | A kind of vacuum leak detection bag |
| CN105910761A (en) * | 2016-05-11 | 2016-08-31 | 中国石油大学(华东) | Tube flange gas leakage detection device |
| CN105953982A (en) * | 2016-05-12 | 2016-09-21 | 中国石油大学(华东) | Pipe flange gas leakage detection device |
| CN105953982B (en) * | 2016-05-12 | 2019-01-18 | 中国石油大学(华东) | Pipe flange gas leak detection apparatus |
| CN108896245A (en) * | 2018-07-12 | 2018-11-27 | 东莞职业技术学院 | A kind of aircraft wing air-tightness detection device |
| CN110231131A (en) * | 2019-06-29 | 2019-09-13 | 广东利元亨智能装备股份有限公司 | Airtightness test technology |
| CN112289469A (en) * | 2020-11-03 | 2021-01-29 | 浙江伦特机电有限公司 | Leakage testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201245683A (en) | 2012-11-16 |
| TWI458954B (en) | 2014-11-01 |
| CN102313627B (en) | 2013-11-06 |
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