CN201993206U - Sheet leakage detection tool - Google Patents
Sheet leakage detection tool Download PDFInfo
- Publication number
- CN201993206U CN201993206U CN2011200113497U CN201120011349U CN201993206U CN 201993206 U CN201993206 U CN 201993206U CN 2011200113497 U CN2011200113497 U CN 2011200113497U CN 201120011349 U CN201120011349 U CN 201120011349U CN 201993206 U CN201993206 U CN 201993206U
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- Prior art keywords
- leak detection
- sheet material
- top cover
- main casing
- detection tool
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Abstract
The utility model discloses a sheet leakage detection tool, which comprises a main shell and a top cover. The main shell and the top cover are tightly connected, a sheet for leakage detection is clamped between the main shell and the top cover in a sealed way, a leakage detection liquid cavity is formed through limitation of the sheet and the top cover, and a closed compressed air cavity is formed through limitation of the sheet and the main shell. When the leakage detection liquid and the compressed gas are filled, all holes can be found conveniently. The leakage detection tool has a simple structure and can be widely applied in detection of holes of planar sheets caused by corrosion.
Description
Technical field
The utility model relates to a kind of instrument of hunting leak, and relates in particular to a kind of instrument to hunting leak after the metal sheet corrosion test.
Background technology
The aluminum alloy rolled plate, the carrying material that are used for car heat exchanger all have very high requirement to corrosive nature usually, need its corrosive nature is at length estimated before the supply of material.Corrosion evaluation method to the planar sheet sample comprises industrial simulated seawater salt mist experiment commonly used at present, and the cyclic corrosion experiment etc.Through behind the normal corrosion experiment, need find the definite position of corrosion, be further analyzed, and then find relation between etching time and erosion profile, the corrosive medium etc.
Because of test material is a plane sheets, the corrosion failure zone product that is corroded usually covers, and the corrosion hole is not simple through hole, and general illumination transmission beam method can't all, correctly find the corrosion failure position.Therefore need a kind of reliable method, can detect all corrosion failures as far as possible.
The utility model content
The purpose of this utility model is to design a kind of instrument of hunting leak, and can overcome the defective that general rayed method can't all detect the sheet material corrosion failure, and can find whole punch positions easily.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of sheet material leak detection tool, it is characterized in that, the main casing and the top cover that comprise connection secured to one another, wherein, sheet material to be hunted leak is clipped between described main casing and the top cover with being sealed, described sheet material and described top cover limit leak detection liquid cavity volume, and described sheet material and described main casing limit the pressure gas cavity volume of sealing.
Preferably, described top cover comprises the leak detection liquid inlet that enters for leak detection liquid, and described main casing comprises the pressure gas inlet that contracts voltage supply gas enters.
Wherein, described main casing is connected by securing member with described top cover.
Replacedly, described main casing and described top cover are connected through the hinge in a side, connect by securing member at opposite side.
Preferably, described main casing and described top cover comprise having same size and shape and interface respect to one another.Described interface is provided with sealing strip.Described interface is a rectangle, has the length of 50mm-150mm and the width of 50mm-150mm separately.
Further, the periphery of described main casing and described top cover is provided with teat respect to one another, the snap-type securing member of described securing member for described teat is tightened together.
Preferably, described leak detection liquid cavity volume is the water capacity chamber that water is housed, and described pressure gas cavity volume is to be filled with compressed-air actuated pressurized air cavity volume.
Preferably, leak detection tool comprises that also described imaging device is installed in the top cover to pass the imaging device that sheet material leaks into the pressure gas bubble imaging that produces the leak detection liquid cavity volume from the pressure gas cavity volume.
Compared with prior art, advantage of the present utility model and good effect are: during leak detection, by in the main casing that is full of leak detection liquid, charging into pressure gas, regulate compression pressure, by making sheet material bubble occur, perhaps make forms such as pressure gas and leak detection liquid generation chemical reaction, be visually noticeable or arrived with visible or detectable form, thereby find whole punch positions easily by sensor.
In addition, can also carry out part to sheet material and cover, thereby can detect local fraction area neatly, thereby accurately determine the corrosion failure position.
Description of drawings
Fig. 1 is according to schematic cross sectional views of carrying out leak detection tool first embodiment of the present utility model;
Fig. 2 is according to perspective schematic view of carrying out leak detection tool second embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
The leak detection tool that carries out of the present utility model can be used for sheet material is hunted leak, and described sheet material for example can be a sheet metal, also can be the material piece of other corrosion that can be corroded.The preferred area of described sheet material is 50 * 50mm-150 * 150mm, and thickness is 0.05mm-3mm, and with the housing of a sealing of leak detection tool formation of the present utility model, there is the beyond all recognition corrosion hole of naked eyes in described sheet material through corrosion experiment.Described seal casinghousing allows to feed pressure gas, charge into leak detection liquid, described pressure gas can or comprise the pressure gas of certain special component for air, nitrogen, and the chemical reaction that overflows bubble that sheet material produces or generation by pressure gas detects the corrosion leakage position of sheet material.
Referring to Fig. 1 and Fig. 2, the instrument that the utility model is hunted leak comprises the top cover 2 of main casing 1, fixed sample and the securing member 3 of fastening main casing 1 and top cover 2.Wherein said main casing 1 comprises pressure gas inlet 4, the teat that is connected with securing member 3 and the interface that contacts with sheet material, wherein said interface, be preferably the rectangle of band sealing strip, can be covered fully by sheet material to be checked, the length that has 50mm-150mm separately, with the width of 50mm-150mm, be to be understood that described interface can have any shape.Pressure gas inlet 4 preferred outstanding opening on the main casing sidewall are used for introducing pressure gas, and its shape is preferably cylindrical, but also can be the arbitrary shape that is suitable for introducing pressure gas.Pressure gas inlet 4 can also be connected to the device of regulating compression pressure, so that when compressed gas supplying, regulates the pressure of pressure gas.Referring to Fig. 1, the main casing 1 of frame of broken lines position can have any shape, as square, and semisphere etc., and be preferably same material, same wall thickness.The wall thickness of main casing 1 is about 5mm, but material metal, glass, rigid plastic etc.
Place sheet material between top cover 2 and the main casing 1, and allow fastener 3 closely to connect.In one embodiment, the periphery of main casing 1 and top cover 2 is provided with teat 9 respect to one another, described teat stretches out from the periphery of main casing 1 and top cover 2, protrudes up and down respectively at its place, end to form the sticking department that engages with securing member 3, as shown in Figure 1.The securing member 3 snap-type securing member for described teat 9 is tightened together engages by the sticking department with corresponding teat 9 during use and top cover 2 and main casing 1 is closely linked together.Securing member also can be, for example the fastener of metal snap close, bolt etc.
In top cover 2 and/or main casing 1, can also be provided with shielding plate, after sheet material 7 sets, described shielding plate is between top cover 2 and the sheet material 7 and/or between main casing 1 and the sheet material 7, part covers described sheet material, only make the areas of web material that needs to detect be exposed to leak detection liquid and pressure gas, thereby realize detecting local fraction area neatly, thereby determine the corrosion failure position exactly.
In a further embodiment, securing member also can only be arranged on a side of top cover 2 and main casing 1, is provided with hinge at relative opposite side, and top cover 2 can be around the pivotal axis rotation of hinge.When needs were put into sheet material, top cover 2 pivoted in perpendicular around the pivotal axis of hinge, to open top cover 2.Top cover 2 also can pivot in horizontal plane around the pivotal axis of hinge, opens and/or closed leak detection tool by translation motion.
When sheet material to be hunted leak is clipped between main casing 1 and the top cover 2 with being sealed, limit leak detection liquid cavity volume between sheet material 7 and the top cover 2, leak detection liquid injects described leak detection liquid cavity volume from leak detection liquid inlet 6.Sheet material 7 and main casing 1 limit the pressure gas cavity volume of sealing, and pressure gas feeds described pressure gas cavity volume from pressure gas inlet 4.Leak detection liquid cavity volume and pressure gas cavity volume separate by sheet material 7, and pressure gas feeds after the pressure gas cavity volume, after reaching certain pressure, only can enter leak detection liquid cavity volume via the corrosion hole on the sheet material, produce bubble or detectable chemical reaction.
In one embodiment, during use, sheet material to be checked is placed main casing 1 interface position, sheet material to be checked needs to cover top cover 2 then and buckle well securing member greater than also covering interface fully, forms closed container; Closed container is placed leak detection liquid, perhaps inject leak detection liquid, cover sheet material fully to top cover 2 leak detection liquid 6 places that enter the mouth; Feed pressure gas to pressure gas inlet 4 then, and regulate compression pressure, bubble occurs up to sheet material.Observe the sheet material bubble, detect by an unaided eye or use the sensor bubble position, obtain the position of corrosion failure whereby.
In one embodiment, sheet material leak detection tool of the present utility model also comprises pass the imaging device that sheet material leaks into the pressure gas bubble imaging that produces the leak detection liquid cavity volume from the pressure gas cavity volume, be preferably mounted in the top cover, but also can be installed in the other parts of leak detection tool.Imaging device can be connected to control device, image processing apparatus or image output device.Imaging device carries out imaging by camera head to the pressure gas bubble, and picture signal is sent to image processing apparatus or image output device, can pass through the naked eyes Direct observation, thereby perhaps image is handled the position of determining corrosion failure exactly.
Leak detection tool of the present utility model can also comprise sensor, flow sensor for example, pressure transducer etc., described sensor can be connected to control device, sensor can be responded to by the compression gas flow of pressure gas inlet 4 feedings and/or the pressure in the leak detection tool, convert electrical signal transfer then to control device, control device is regulated the pressure gas that feeds pressure gas inlet 4 according to the signal that receives, with the pressure in control compressed gas flow and the leak detection tool.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited to above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (10)
1. sheet material leak detection tool, it is characterized in that, the main casing and the top cover that comprise connection secured to one another, wherein, sheet material to be hunted leak is clipped between described main casing and the top cover with being sealed, described sheet material and described top cover limit leak detection liquid cavity volume, and described sheet material and described main casing limit the pressure gas cavity volume of sealing.
2. sheet material leak detection tool according to claim 1 is characterized in that, described top cover comprises the leak detection liquid inlet that enters for leak detection liquid, and described main casing comprises the pressure gas inlet that contracts voltage supply gas enters.
3. sheet material leak detection tool according to claim 1, wherein, described main casing is connected by securing member with described top cover.
4. sheet material leak detection tool according to claim 1, wherein, described main casing and described top cover are connected through the hinge in a side, connect by securing member at opposite side.
5. according to each described sheet material leak detection tool among the claim 1-4, wherein, described main casing and described top cover comprise having same size and shape and interface respect to one another.
6. sheet material leak detection tool according to claim 5, wherein, described interface is provided with sealing strip.
7. sheet material leak detection tool according to claim 5, wherein, described interface is a rectangle, has the length of 50mm-150mm and the width of 50mm-150mm separately.
8. according to claim 3 or 4 described sheet material leak detection tools, wherein, the periphery of described main casing and described top cover is provided with teat respect to one another, the snap-type securing member of described securing member for described teat is tightened together.
9. according to each described sheet material leak detection tool among the claim 1-4, it is characterized in that described leak detection liquid cavity volume is the water capacity chamber that water is housed, described pressure gas cavity volume is to be filled with compressed-air actuated pressurized air cavity volume.
10. according to each described sheet material leak detection tool among the claim 1-4, it is characterized in that, comprise that also described imaging device is installed in the top cover to pass the imaging device that sheet material leaks into the pressure gas bubble imaging that produces the leak detection liquid cavity volume from the pressure gas cavity volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200113497U CN201993206U (en) | 2011-01-10 | 2011-01-10 | Sheet leakage detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200113497U CN201993206U (en) | 2011-01-10 | 2011-01-10 | Sheet leakage detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993206U true CN201993206U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200113497U Expired - Lifetime CN201993206U (en) | 2011-01-10 | 2011-01-10 | Sheet leakage detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993206U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604567A (en) * | 2013-08-27 | 2014-02-26 | 东莞龙杰电子有限公司 | Airtightness test machine for connectors |
| CN103926040A (en) * | 2014-03-17 | 2014-07-16 | 惠州Tcl移动通信有限公司 | Testing tool for testing waterproofness |
| CN104502033A (en) * | 2014-12-30 | 2015-04-08 | 广州荣鑫容器有限公司 | Zip-top cover airtightness detection device |
| CN105865719A (en) * | 2016-03-31 | 2016-08-17 | 广西大学 | Rotary compressor internal gas leakage test platform and test method thereof |
| CN106595980A (en) * | 2016-12-25 | 2017-04-26 | 重庆市永川区益锐机械有限责任公司 | Cylinder block leak point locating and detecting device |
| CN110553794A (en) * | 2018-05-31 | 2019-12-10 | 威克拉公司 | leak detection for heat exchanger plates |
| CN110887615A (en) * | 2019-12-27 | 2020-03-17 | 盐城志驰机械有限公司 | Valve housing airtightness inspection device |
-
2011
- 2011-01-10 CN CN2011200113497U patent/CN201993206U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604567A (en) * | 2013-08-27 | 2014-02-26 | 东莞龙杰电子有限公司 | Airtightness test machine for connectors |
| CN103926040A (en) * | 2014-03-17 | 2014-07-16 | 惠州Tcl移动通信有限公司 | Testing tool for testing waterproofness |
| CN104502033A (en) * | 2014-12-30 | 2015-04-08 | 广州荣鑫容器有限公司 | Zip-top cover airtightness detection device |
| CN105865719A (en) * | 2016-03-31 | 2016-08-17 | 广西大学 | Rotary compressor internal gas leakage test platform and test method thereof |
| CN106595980A (en) * | 2016-12-25 | 2017-04-26 | 重庆市永川区益锐机械有限责任公司 | Cylinder block leak point locating and detecting device |
| CN106595980B (en) * | 2016-12-25 | 2018-08-17 | 重庆市永川区益锐机械有限责任公司 | Cylinder body leak point positioning detection device |
| CN110553794A (en) * | 2018-05-31 | 2019-12-10 | 威克拉公司 | leak detection for heat exchanger plates |
| US10914652B2 (en) | 2018-05-31 | 2021-02-09 | Wcr, Inc. | Leak detection for heat exchanger plate |
| CN110887615A (en) * | 2019-12-27 | 2020-03-17 | 盐城志驰机械有限公司 | Valve housing airtightness inspection device |
| CN110887615B (en) * | 2019-12-27 | 2024-06-18 | 盐城志驰机械有限公司 | Valve shell airtight inspection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201807 Jiading District Jia Tang Road, Shanghai, No. 1111 Patentee after: Garan Giese aluminium (Shanghai) Co., Ltd. Address before: 201807 Jiading District Jia Tang Road, Shanghai, No. 1111 Patentee before: Sapa Heat Transfer (Shanghai) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |