CN102313627B - 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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- CN102313627B CN102313627B CN 201110184686 CN201110184686A CN102313627B CN 102313627 B CN102313627 B CN 102313627B CN 201110184686 CN201110184686 CN 201110184686 CN 201110184686 A CN201110184686 A CN 201110184686A CN 102313627 B CN102313627 B CN 102313627B
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- 239000011324 bead Substances 0.000 title claims abstract description 89
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000005253 cladding Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 87
- 238000003466 welding Methods 0.000 claims abstract description 74
- 239000000463 material Substances 0.000 claims abstract description 35
- 230000004888 barrier function Effects 0.000 claims description 42
- 238000000576 coating method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 23
- 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
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 7
- 239000004800 polyvinyl chloride Substances 0.000 claims description 7
- 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 3
- 230000000903 blocking effect Effects 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 5
- 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
- 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
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- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
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- 238000005187 foaming Methods 0.000 description 1
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- 239000011496 polyurethane foam Substances 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 leak detection system.
Background technology
Existing welding bead detects 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.Due to the helium characteristics such as having compatible high, quick, non-destructive detection of leaking hunting, therefore often be used in industrial site.
Existing helium for the pipeline welding bead leaks hunting, and is mainly 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 Weld bead leak-detecting cladding ring and system and method thereof, this Weld bead leak-detecting cladding ring can be applicable in the welding bead leak detection system, the helium of ejection is restrained in the specific region around welding bead, solved whereby the difficulty that prior art suffers from.
According to an embodiment of the present invention, a kind of Weld bead leak-detecting cladding ring comprises 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 surrounding tube trackside wall.Barrier rib lays respectively at belt body along two opposite side of its length direction, and these barrier ribs all extend in the same direction, seal whereby the gap between belt body and pipeline sidewall, make between barrier rib, belt body and pipeline sidewall and form fluid circulation space, and allow welding bead be coated in fluid circulation space.
In one or more embodiment of the present invention, above-mentioned belt body has first end and the second end, and above-mentioned Weld bead leak-detecting cladding ring more comprises a fastener.First end and second end of this fastener in order to detain belt body, and keep a breach between the first end of belt body and the second end, the breach communication of fluid flowing space makes the fluid can be from the breach incoming fluid flowing space.
In one or more embodiment of the present invention, above-mentioned Weld bead leak-detecting cladding ring more comprises at least one adhesive agent.This adhesive agent is in order to be attached to barrier rib belt body along two opposite side of its length direction.
In one or more embodiment of the present invention, the material of above-mentioned belt body comprises Polyvinylchloride (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 approximately 2 to 4 centimeters.
Another technology aspect of the present invention is a kind of welding bead leak detection system.
Another embodiment according to the present invention, a kind of welding bead leak detection system comprise 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 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 the second end, is formed with breach between first end and the second end.Barrier rib lays respectively at belt body along two opposite side of its length direction, and these barrier ribs all extend in the same direction against on sidewall, the position of adjoining the relative both sides of welding bead, seal whereby the gap between belt body and sidewall, make between barrier rib, belt body and sidewall and form fluid circulation space.Fluid source is in order to inject fluid circulation space from breach with fluid.Sensor is in order to the fluid content of signal piping inside.
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 belt body along two opposite side of 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 technology 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 the present embodiment is except chatting especially bright its order person, all can adjust its front and back order according to actual needs, even can carry out simultaneously simultaneously or partly.)：
(a) provide banded coating ring.
(b) curling coating encircles to coat the welding bead on the sidewall that is positioned at pipeline, makes to coat between ring and sidewall to form fluid circulation space, wherein coats between the head and the tail two ends of ring and remains with breach, this breach communication of fluid flowing space.
(c) from breach, fluid is injected fluid circulation space.
(d) fluid content of signal piping inside.
In one or more embodiment of the present invention, above-mentioned fluid is 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.
The above-mentioned embodiment of the present invention and known prior art are compared, and have the following advantages at least:
(1) restrain in specific region around the welding bead because fluid is wrapped by ring, therefore, when the fluid content that pipeline inside detected when sensor reached threshold value, just can determine to coat on the welding bead that ring coats had leakage point, and does not have the problem that can't judge.
(2) restrain in the specific region around welding bead because fluid is wrapped by ring, therefore can effectively reduce the use amount of fluid, and not have the waste that loss causes.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 illustrates the schematic diagram according to the welding bead leak detection system of 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: first end
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, as clearly stated, the details on many practices will be explained in the following description.Yet, should be appreciated that, the details on these practices does not use to limit the present invention.That is to say, in part embodiment of the present invention, the details on these practices is non-essential.In addition, for the purpose of simplicity of illustration, structures that some are existing habitual and assembly will be graphic middle illustrating in the mode of simple signal.
Fig. 1 illustrates the schematic diagram according to the welding bead leak detection system of 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 leak detection system 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 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 first end 312 and the second end 314, is formed with breach 303 between first end 312 and the second end 314.Barrier rib 320 lays respectively at belt body 310 along two opposite side of its length direction L, and these barrier ribs 320 all extend in the same direction against on sidewall 110, the position of adjoining welding bead 200 relative both sides, seal whereby the gap between belt body 310 and sidewall 110, make to form fluid circulation space 305 between barrier rib 320, belt body 310 and sidewall 110, and allow welding bead 200 be coated in 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 belt body 310 around the direction of welding bead 200.In the present 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 wrapped by ring 300, restrains in the specific region around welding bead 200 fluid, when the fluid content that therefore pipeline 100 inside detected when sensor 500 reached threshold value, just can determine to coat to encircle on 300 welding beads that coat 200 had leakage point, and does not have the problem that can't judge.In addition, also restrain in the specific region around welding bead 200 because fluid is wrapped by ring 300, therefore, can effectively reduce the use amount of fluid, and not have the waste that loss causes.
In general, above-mentioned threshold value should be determined jointly by factors such as the background value of the kind of sensor 500, fluid and allowable errors.Those skilled in the art can decide threshold value in its sole discretion according to actual needs, and the generic threshold value of perhaps being advised in 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 pipeline 100 although Fig. 1 illustrates, in fact the welding bead 200 on pipeline 100 might be one or more.In general liquid crystal panel factory, the spacing between welding bead 200 and welding bead 200 is generally most more than 4 meters.But in the specific region, the spacing between welding bead 200 and welding bead 200 may be less, and the welding bead 200 more than 3 or 3 is even 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 may have many kinds.For compatible with the pipeline 100 of various sizes/shape, the material of the belt body 310 of present embodiment can comprise the flexible material, facilitating the user to coat welding bead 200 (being illustrated as Fig. 2) in the mode of curling coating ring 300 in use, and needn't be for the coating ring 300 of the pipeline 100 design different size/shapes of various sizes/shape.In addition, when not using, the user also can shakeout coating ring 300 as Fig. 3 and illustrate, and stores with convenient for collecting.On practice, the material of above-mentioned belt body 310 can comprise Polyvinylchloride (polyvinyl chloride; PVC), nonrigid plastic, rubber, metal or above-mentioned combination in any.
The width of above-mentioned belt body 310 should depending on actual needs, as long as 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 coordinates this size, the width of above-mentioned belt body 310 can be approximately 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 allow barrier rib 320 itself have to a certain degree, make when barrier rib 320 during against the sidewall 110 of pipeline 100, barrier rib 320 is subject to compression slightly, allows the fluid can't be from the gap loss between barrier rib 320 and 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 respectively belt body 310 along two opposite side of its length direction L.Should be appreciated that, this manufacture is only illustration, is not to limit the present invention, and those skilled in the art should look actual needs elasticity and select its manufacture.For instance, in the situation that the material license, 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 the present 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 the first end 312 of belt body 310 and the second end 314, to still keep breach 303 between the first end 312 of belt body 310 and the second end 314, these breach 303 communication of fluid flowing spaces 305 make the 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 wishs coat hour, coat on ring 300 and also fastener 340 can be set, and directly holding up belt body 310 with user's hand, allow belt body 310 be wrapped in welding bead 200 around.
In the present embodiment, above-mentioned fluid source 400 can be the helium rifle, and above-mentioned sensor 500 can be the helium leak detector, with facilitate the user according to this welding bead leak detection system carry out helium and leak hunting.Certainly, the above fluid source of lifting 400 all only is illustration with sensor 500, is not to limit the present invention, and those skilled in the art should look the fluid that the carries out mode of leaking hunting, and elasticity is selected the kind of fluid source 400 and sensor 500.
In the present embodiment, assemble in order not affect the pipeline 100 of completing, sensor 500 can be connected to the least significant end of pipeline 100.But the present invention is not limited in this position, and in fact sensor 500 also can be at any position connecting line 100, if can signal piping the fluid content of 100 inside.
Another technology aspect of the present invention is for using the welding bead leak detection method of above-mentioned coating ring 300.In the following description, the technology contents of having mentioned in a upper embodiment will no longer repeat to give unnecessary details, and the using method that only just coats ring 300 is further replenished, close first chat 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 the present embodiment is except chatting especially bright its order person, all can adjust its front and back order according to actual needs, even can carry out simultaneously simultaneously or partly.)：
(a) provide banded coating ring 300 (illustrating as Fig. 3).
(b) curling coating ring 300 is 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 sidewall 110, wherein coat between the head and the tail two ends of ring 300 and remain with breach 303, these breach 303 communication of fluid flowing spaces 305 (illustrating as Fig. 2).
(c) from breach 303, fluid is injected fluid circulation space (illustrating as Fig. 1).
(d) fluid content (illustrating as Fig. 1) of signal piping 100 inside, in case the fluid content of pipeline 100 inside surpasses threshold value, namely concluding on welding bead 200 has leakage point.
In the present embodiment, if the size of pipeline 100 is larger, the user can use fastener 340 to fasten to coat the head and the tail two ends (illustrating as Fig. 2) of ring 300, allows 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 that coats, the action of completing steps (b).
In the present embodiment, leak hunting if user's wish is carried out helium to welding bead 200, the fluid that injects of above-mentioned step (c) can be helium.Certainly, the above fluid of lifting only for illustration, is not to limit the present invention, and the technical field of the invention has knows the knowledgeable usually, should look the fluid that the carries out mode of leaking hunting, and elasticity is selected the kind of fluid.
When the fluid content of signal piping 100 inside, the user can allow pipeline 100 inside be negative pressure state.Thus, in case leakage point occurs on welding bead 200, fluid will be soon enters pipeline 100 inside by leakage point, allows the fluid content of pipeline 100 inside surpass threshold value.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (14)
1. a Weld bead leak-detecting cladding ring, 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 a pipeline sidewall; And
Two barrier ribs, lay respectively at this belt body along two opposite side of its length direction, and this barrier rib all extends in the same direction, seal whereby the gap between this belt body and this pipeline sidewall, make and form a fluid flowing space between this barrier rib, this belt body and this pipeline sidewall, and allow this welding bead be coated in this fluid circulation space
Wherein, this belt body has a 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 keeping a breach between this first end of this belt body and this second end, this breach is communicated with this fluid circulation space, makes first-class body to flow into this fluid circulation space from this breach.
2. Weld bead leak-detecting cladding ring according to claim 1, is characterized in that, more comprises:
At least one adhesive agent is in order to be attached to this barrier rib this belt body along this two opposite side of its length direction.
3. Weld bead leak-detecting cladding ring according to claim 1, is characterized in that, the material of this belt body comprises Polyvinylchloride, nonrigid plastic, rubber, metal or above-mentioned combination in any.
4. Weld bead leak-detecting cladding ring according to claim 1, is characterized in that, the material of this barrier rib comprises the flexible material.
5. Weld bead leak-detecting cladding ring according to claim 1, is characterized in that, the material of this barrier rib comprises expanded material.
6. Weld bead leak-detecting cladding ring according to claim 1, is characterized in that, the width of this belt body is approximately 2 to 4 centimeters.
7. a welding bead leak detection system, 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 a first end and one second end;
One fastener in order to this first end and this second end of detaining this belt body, and keeps a breach between this first end of this belt body and this second end; And
Two barrier ribs, lay respectively at this belt body along two opposite side of its length direction, and this barrier rib all extends in the same direction against on this sidewall, the position of adjoining the relative both sides of this welding bead, seal whereby the gap between this belt body and this sidewall, make and form a fluid flowing space between this barrier rib, this belt body and this sidewall, wherein, this breach is communicated with this fluid circulation space, makes first-class body to flow into this fluid circulation space from this breach;
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 fluid content of this pipeline inside.
8. welding bead leak detection system according to claim 7, 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 along this two opposite side of its length direction.
9. welding bead leak detection system according to claim 7, is characterized in that, the material of this belt body comprises the flexible material.
10. welding bead leak detection system according to claim 7, is characterized in that, the material of this barrier rib comprises expanded material.
11. welding bead leak detection system according to claim 7 is characterized in that, this fluid source is a helium rifle, and this sensor is a helium leak detector.
12. a welding bead leak detection method is characterized in that, comprises:
(a) provide the coating ring of a band shape, this coating ring comprises:
One belt body, the material of this belt body comprises the flexible material, and in order to around the welding bead on a pipeline sidewall, wherein, this belt body has a first end and one second end;
One fastener in order to this first end and this second end of detaining this belt body, and keeps a breach between this first end of this belt body and this second end; And
Two barrier ribs, lay respectively at this belt body along two opposite side of its length direction, and this barrier rib all extends in the same direction, seal whereby the gap between this belt body and this pipeline sidewall, make to form a fluid flowing space between this barrier rib, this belt body and this pipeline sidewall, and allow this welding bead be coated in this fluid circulation space, wherein, this breach is communicated with this fluid circulation space, makes first-class body to flow into this fluid circulation space from this breach;
(b) curling this coating ring is positioned at least one welding bead on a sidewall of a pipeline with coating, make between this coating ring and this sidewall and form a fluid flowing space, 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 fluid content of this pipeline inside.
13. welding bead leak detection method according to claim 12 is characterized in that, this fluid is helium.
14. welding bead leak detection method according to claim 12 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 |
|---|---|---|---|
| TW100115620A TWI458954B (en) | 2011-05-04 | 2011-05-04 | Covering ring for conducting weld leak check and system and method using the same |
| TW100115620 | 2011-05-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102313627A CN102313627A (en) | 2012-01-11 |
| CN102313627B true CN102313627B (en) | 2013-11-06 |
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| 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) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471780B (en) * | 2013-08-27 | 2015-09-30 | 宁波明欣化工机械有限责任公司 | Airtight container end cap weld inspection system and detection method |
| 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 |
| CN105910761B (en) * | 2016-05-11 | 2019-01-04 | 中国石油大学(华东) | A kind of pipe flange gas leak detection apparatus |
| CN105953982B (en) * | 2016-05-12 | 2019-01-18 | 中国石油大学(华东) | Pipe flange gas leak detection apparatus |
| CN108896245B (en) * | 2018-07-12 | 2023-04-18 | 东莞职业技术学院 | Air tightness detection device for airplane wing |
| CN110231131B (en) * | 2019-06-29 | 2022-06-07 | 广东利元亨智能装备股份有限公司 | Air tightness detection process |
| CN112289469A (en) * | 2020-11-03 | 2021-01-29 | 浙江伦特机电有限公司 | Leakage testing device |
| CN118090065B (en) * | 2024-04-18 | 2024-07-09 | 潍坊欣泽希化工有限公司 | Leakage detection system for hydrogen bromide synthesis |
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| CN1891097A (en) * | 2005-07-05 | 2007-01-10 | 合谥螺丝五金股份有限公司 | 360-degree rotating fastening for key ring |
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- 2011-05-04 TW TW100115620A patent/TWI458954B/en not_active IP Right Cessation
- 2011-06-28 CN CN 201110184686 patent/CN102313627B/en not_active Expired - Fee Related
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| JP特开2000-2798A 2000.01.07 |
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| TWI458954B (en) | 2014-11-01 |
| TW201245683A (en) | 2012-11-16 |
| CN102313627A (en) | 2012-01-11 |
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