CN109781364B - Air leakage detection device and method - Google Patents
Air leakage detection device and method Download PDFInfo
- Publication number
- CN109781364B CN109781364B CN201910244153.3A CN201910244153A CN109781364B CN 109781364 B CN109781364 B CN 109781364B CN 201910244153 A CN201910244153 A CN 201910244153A CN 109781364 B CN109781364 B CN 109781364B
- Authority
- CN
- China
- Prior art keywords
- pressure
- side wall
- detected
- connecting hole
- detecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The application provides a gas leakage detection device, includes: the pressure container is provided with a side wall, a top plate and a bottom plate, the side wall, the bottom plate and the top plate enclose a closed space, and a plurality of connecting holes with different apertures are formed in the side wall; a first pressure detecting member provided on the side wall; and the pressure adjusting part is arranged at the plurality of connecting holes, and a second pressure detection device is arranged at the pressure adjusting part.
Description
Technical Field
The application relates to the technical field of airplanes, and particularly provides an air leakage detection device and method.
Background
Along with the continuous development of scientific technology and the continuous improvement of industrial scale production, the air tightness detection of the closed container is more and more emphasized by manufacturers, and in order to avoid accidents of explosion, fire and even injury to personal safety caused by leakage of the closed container, higher requirements are provided for air leakage detection of the closed container.
The common airtight container airtightness detection method is that the airtight container is usually soaked in water after being inflated to eliminate whether gas is generated or not, the airtight container needs to be soaked in water in the detection process, and after the detection is finished, if the airtight container needs to be filled, the airtight container needs to be dried and the like.
In addition, it is difficult to achieve the purpose of regular inspection or real-time monitoring of the closed container being used.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present application provides a gas leakage detecting device and method.
In a first aspect, the present application provides a gas leak detection apparatus comprising: the pressure container is provided with a side wall, a top plate and a bottom plate, the side wall, the bottom plate and the top plate enclose a closed space, and a plurality of connecting holes with different apertures are formed in the side wall; a first pressure detecting member provided on the side wall; and the pressure adjusting part is arranged at the connecting holes, and a second pressure detecting part is arranged at the connecting holes.
In some embodiments, the side wall includes a first side wall and a second side wall, the first pressure detecting part is disposed on the first side wall, and the plurality of connection holes are disposed on the second side wall.
In some embodiments, the first pressure detecting component is a pressure gauge, and a detecting end of the pressure gauge penetrates through the first side wall, so that the detecting end of the pressure gauge is located in the closed space.
In some embodiments, the second pressure detecting means includes a plurality of pressure sensors, the number of the pressure sensors is the same as the number of the connection holes, and one pressure sensor is provided at one connection hole.
In some embodiments, the pressure adjusting member is a plurality of bolts, the number of the bolts is the same as the number of the connection holes, and one bolt is adapted to be disposed at one of the connection holes.
In some embodiments, further comprising an inflatable member disposed on the top panel.
In some embodiments, the inflation component is a valve core disposed on the top plate to ensure one-way inflation of the pressure vessel.
In some embodiments, a gasket is disposed at a junction of the side wall and the top plate.
In a second aspect, the present application provides a gas leakage detecting method applied to the gas leakage detecting device as described above, including: adjusting the looseness degree of the pressure adjusting part, and detecting a second pressure change at the connecting hole through a second pressure detecting part; recording a first pressure change in the closed space detected by the first pressure detection component in the process of adjusting the loosening degree of the pressure adjustment component; obtaining a corresponding relation between the first pressure change and the second pressure change through the first pressure change and the second pressure change; and detecting the air leakage state at the connecting hole of the sealed container to be detected through the corresponding relation between the first pressure change and the second pressure change.
In some embodiments, before adjusting the loosening degree of the pressure adjusting part and detecting a second pressure change at the connection hole by the second pressure detecting part, the method further includes: and filling gas with preset pressure into the pressure container.
In the gas leakage detection device and the method that this application embodiment provided, thereby make the connecting hole gas leakage through adjusting pressure adjustment part, and detect the pressure in the airtight space through first pressure detection part, detect the pressure of connecting hole department through second pressure detection part, in order to obtain the corresponding relation of two places pressure, detect the gas leakage state of the connecting hole department of waiting to detect airtight container through this corresponding relation, and simultaneously, through the aperture that changes the connecting hole, can realize the detection to the mechanical connecting hole gas leakage state of different specifications. The air leakage detection device and method have the advantages of being simple in principle, high in detection efficiency, simple and convenient to operate, safe, reliable and the like, regular detection and real-time monitoring of air leakage states of connecting holes of the closed containers such as the pressure container and the oil tank are facilitated, and the defect that regular detection or real-time monitoring of the closed containers is difficult to achieve by using a conventional detection method is overcome.
Drawings
Fig. 1 is a schematic structural diagram of a gas leakage detection device provided in an embodiment of the present application;
fig. 2 is a schematic flow chart of a gas leakage detection method according to an embodiment of the present application.
Wherein:
10. an inflation member; 20. a top plate; 30. a first pressure detecting member; 40. a pressure regulating member; 50. a side wall; 51. a first side wall; 52. a second side wall; 53. and connecting the holes.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
Fig. 1 shows a gas leakage detecting device provided in an embodiment of the present application, which includes a pressure container having a side wall 50, a top plate 20, and a bottom plate, where the side wall 50, the bottom plate, and the top plate 20 enclose a closed space, and a plurality of connecting holes 53 with different apertures are provided on the side wall.
The first pressure detecting part 30 is disposed on the sidewall 50, the pressure adjusting part 40 is disposed at the plurality of connection holes 53, and the second pressure detecting part is disposed at the plurality of connection holes.
In this embodiment, the pressure container is filled with gas of a preset pressure, the gas in the sealed space is leaked by adjusting the pressure adjusting part 40 at the connecting hole 53, the second pressure change of the connecting hole is detected by the second pressure detecting part arranged at the connecting hole, meanwhile, the first pressure detecting part detects the first pressure change in the sealed space, then, the corresponding relation between the first pressure change and the second pressure change is obtained, and the gas leakage state of the connecting hole of the sealed container to be detected can be detected by the corresponding relation.
It should be noted that the aperture of the connection hole may be set according to the diameter of the connection hole on the sealed container to be detected, and it is only necessary to ensure that a certain connection hole on the air leakage detection device provided in the embodiment of the present application is the same as the aperture of the connection hole of the sealed container to be detected.
In some embodiments, the side wall 50 includes a first side wall 51 and a second side wall 52, a closed space is defined by the two first side walls 51, the two second side walls 52, the bottom plate and the top plate 20, the first pressure detecting member 30 is disposed on the first side wall 51, and the plurality of connection holes are disposed on the second side wall 52. Alternatively, four connection holes 53 having different diameters are formed on each of the second side walls 52 for mounting the second pressure detecting member and the pressure adjusting member 40.
Further, the first pressure detection component is a 30-bit pressure gauge, and the detection end of the pressure gauge penetrates through the first side wall 51, so that the detection end of the pressure gauge is located in the closed space, and the pressure in the closed space can be detected.
Alternatively, the pressure gauge may be a pointer type pressure gauge or an electronic type pressure gauge as long as the pressure in the closed space can be detected.
Further, the second pressure detecting means includes a plurality of pressure sensors, the number of the pressure sensors is the same as the number of the connection holes 53, and one pressure sensor is provided at one connection hole 53.
Further, the pressure adjusting member 40 is a plurality of bolts, the number of bolts is the same as the number of the connection holes 53, and one bolt is adapted to be disposed at one connection hole 53.
In this embodiment, according to the aperture of the connecting hole of waiting to detect the airtight container, select the connecting hole the same with its aperture in the connecting hole on the gas leakage detection device that this application embodiment provided, through adjusting bolt's not hard up degree, come simulation gas leakage state, and detect pressure variation respectively through manometer and pressure sensor, and obtain the pressure variation that the manometer detected and pressure sensor detect pressure variation's corresponding relation, finally, detect the pressure variation of waiting to detect the airtight container's connecting hole department, with the pressure variation that this pressure variation and manometer detected and pressure sensor detect pressure variation's corresponding relation, thereby obtain the gas leakage state of the connecting hole department of airtight container.
In some embodiments, the gas leakage detecting device further includes an inflatable member 10, and the inflatable member 10 is disposed on the top panel 20.
Further, the inflation component 10 includes, but is not limited to, a valve core disposed on the top plate 20 to ensure one-way inflation of the pressure vessel. Of course, the inflatable member 10 may also be a one-way valve, which also ensures one-way inflation.
In one embodiment, a gasket is provided at the junction of the side wall 50 and the top plate 20 to ensure the sealing of the air leakage detecting device.
Fig. 2 shows a gas leakage detection method provided in an embodiment of the present application, which is applied to the gas leakage detection device described above.
As shown in fig. 2, the air leakage detection method includes:
and step 201, adjusting the looseness degree of the pressure adjusting part, and detecting a second pressure change at the connecting hole through a second pressure detecting part.
In the process of adjusting the loosening degree of the pressure adjusting component, a first pressure change in the closed space detected by the first pressure detecting component is recorded in step 202.
And 203, obtaining the corresponding relation between the first pressure change and the second pressure change through the first pressure change and the second pressure change.
And 204, detecting the air leakage state at the connecting hole of the sealed container to be detected through the corresponding relation between the first pressure change and the second pressure change.
In this embodiment, the corresponding relationship between the first pressure change and the second pressure change is obtained through the first pressure change and the second pressure change, and the first pressure change and the second pressure change may be plotted in the form of a graph in the same coordinate system, or the first pressure change and the second pressure change may be plotted in the form of a table.
In some embodiments, prior to step 201, the method further comprises:
step 205, filling a gas with a preset pressure into the pressure container.
In the embodiment, the method is applied to the gas leakage detection device, so that the gas leakage state at the connecting hole of the closed container can be accurately detected in real time.
As described above, only the specific embodiments of the present application are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered within the scope of the present application.
Claims (3)
1. A gas leak detection device, comprising:
the pressure container is provided with a side wall (50), a top plate (20) and a bottom plate, the side wall (50), the bottom plate and the top plate (20) enclose a closed space, and a plurality of connecting holes (53) with different apertures are formed in the side wall (50);
a first pressure detection member (30) provided on the side wall (50);
a pressure adjusting part (40) provided at the plurality of connection holes (53), and a second pressure detecting part provided at the plurality of connection holes (53);
the side wall (50) includes a first side wall (51) and a second side wall (52), the first pressure detecting member (30) is provided to the first side wall (51), and the plurality of connection holes (53) are provided to the second side wall (52);
the first pressure detection component (30) is a pressure gauge, and the detection end of the pressure gauge penetrates through the first side wall (51), so that the detection end of the pressure gauge is positioned in the closed space;
the second pressure detection part comprises a plurality of pressure sensors, the number of the pressure sensors is the same as that of the connecting holes (53), and one pressure sensor is arranged at one connecting hole (53);
the pressure adjusting part (40) is a plurality of bolts, the number of the bolts is the same as that of the connecting holes (53), and one bolt is suitable for being arranged at one connecting hole (53);
the roof structure further comprises an inflatable part (10), wherein the inflatable part (10) is arranged on the roof plate (20);
the inflating part (10) is a valve core which is arranged on the top plate (20) so as to ensure unidirectional inflation of the pressure container;
a sealing gasket is arranged at the joint of the side wall (50) and the top plate (20);
according to the aperture of a connecting hole of a sealed container to be detected, a connecting hole with the same aperture is selected from the connecting holes in the air leakage detection device, the air leakage state is simulated by adjusting the looseness degree of a bolt, pressure changes are respectively detected through a pressure gauge and a pressure sensor, the corresponding relation between the pressure changes detected by the pressure gauge and the pressure changes detected by the pressure sensor is obtained, finally, the pressure changes at the connecting hole of the sealed container to be detected are detected, the corresponding relation between the pressure changes and the pressure changes detected by the pressure gauge and the pressure changes detected by the pressure sensor is obtained, and the air leakage state at the connecting hole of the sealed container is obtained.
2. A gas leakage detection method applied to the gas leakage detection device according to claim 1, comprising:
adjusting the looseness degree of the pressure adjusting part, and detecting a second pressure change at the connecting hole through a second pressure detecting part;
recording a first pressure change in the closed space detected by the first pressure detection component in the process of adjusting the loosening degree of the pressure adjustment component;
obtaining a corresponding relation between the first pressure change and the second pressure change through the first pressure change and the second pressure change;
and detecting the air leakage state at the connecting hole of the sealed container to be detected through the corresponding relation between the first pressure change and the second pressure change.
3. The gas leakage detecting method according to claim 2, further comprising, before adjusting the degree of looseness of the pressure adjusting member and detecting a second pressure change at the connection hole by the second pressure detecting member:
and filling gas with preset pressure into the pressure container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244153.3A CN109781364B (en) | 2019-03-28 | 2019-03-28 | Air leakage detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244153.3A CN109781364B (en) | 2019-03-28 | 2019-03-28 | Air leakage detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109781364A CN109781364A (en) | 2019-05-21 |
| CN109781364B true CN109781364B (en) | 2021-01-19 |
Family
ID=66490974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910244153.3A Active CN109781364B (en) | 2019-03-28 | 2019-03-28 | Air leakage detection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109781364B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323505B (en) * | 2022-03-18 | 2022-06-10 | 山西华羽盛泰科技有限公司 | Pressure container detection device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS578432A (en) * | 1980-06-18 | 1982-01-16 | Kuraray Co Ltd | Method and device for detection of gas leakage of vessel housing membrane |
| JPS5975132A (en) * | 1982-10-22 | 1984-04-27 | Fuji Electric Co Ltd | Testing method of tightness of closed container |
| JP2003194658A (en) * | 2001-12-28 | 2003-07-09 | Cosmo Instruments Co Ltd | Initial error correction method and device of leak inspection device |
| CN101373163A (en) * | 2007-08-23 | 2009-02-25 | 博益(天津)气动技术研究所有限公司 | Method for drafting differential pressure and leakage amount relation curve by leak hole method |
| CN102128710A (en) * | 2010-12-22 | 2011-07-20 | 联合汽车电子有限公司 | Air leakage testing device and method for air inlet pipe of turbo supercharged engine |
| CN103207052A (en) * | 2013-03-05 | 2013-07-17 | 中国核电工程有限公司 | Test section device for simulating pipeline leakage in nuclear power plant pipeline leakage test |
| CN103743532A (en) * | 2013-12-11 | 2014-04-23 | 思柏精密模具注塑（无锡）有限公司 | Closed container air-leakage detection apparatus |
| CN208125333U (en) * | 2018-05-02 | 2018-11-20 | 临沂正大检测技术有限公司 | A kind of buried pipeline dynamic-simulation leak detection testing system |
| CN108982022A (en) * | 2018-06-01 | 2018-12-11 | 中南大学 | Car body is compared in contracting for air tightness test |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2007353871B2 (en) * | 2007-05-24 | 2013-12-19 | Sleep Number Corporation | System and method for detecting a leak in an air bed |
-
2019
- 2019-03-28 CN CN201910244153.3A patent/CN109781364B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS578432A (en) * | 1980-06-18 | 1982-01-16 | Kuraray Co Ltd | Method and device for detection of gas leakage of vessel housing membrane |
| JPS5975132A (en) * | 1982-10-22 | 1984-04-27 | Fuji Electric Co Ltd | Testing method of tightness of closed container |
| JP2003194658A (en) * | 2001-12-28 | 2003-07-09 | Cosmo Instruments Co Ltd | Initial error correction method and device of leak inspection device |
| CN101373163A (en) * | 2007-08-23 | 2009-02-25 | 博益(天津)气动技术研究所有限公司 | Method for drafting differential pressure and leakage amount relation curve by leak hole method |
| CN102128710A (en) * | 2010-12-22 | 2011-07-20 | 联合汽车电子有限公司 | Air leakage testing device and method for air inlet pipe of turbo supercharged engine |
| CN103207052A (en) * | 2013-03-05 | 2013-07-17 | 中国核电工程有限公司 | Test section device for simulating pipeline leakage in nuclear power plant pipeline leakage test |
| CN103743532A (en) * | 2013-12-11 | 2014-04-23 | 思柏精密模具注塑（无锡）有限公司 | Closed container air-leakage detection apparatus |
| CN208125333U (en) * | 2018-05-02 | 2018-11-20 | 临沂正大检测技术有限公司 | A kind of buried pipeline dynamic-simulation leak detection testing system |
| CN108982022A (en) * | 2018-06-01 | 2018-12-11 | 中南大学 | Car body is compared in contracting for air tightness test |
Non-Patent Citations (1)
| Title |
|---|
| 调节阀故障模拟试验系统;黄爱芹;《滨州学院学报》;20160430;第32卷(第2期);正文第75-79页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109781364A (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105136407A (en) | Worm gear box tightness test device | |
| CN101726396A (en) | Device and method for detecting leak rate of O type rubber sealing ring used for spaceflight | |
| CN111238723A (en) | Detection device and detection method for shield soil pressure sensor | |
| CN109781364B (en) | Air leakage detection device and method | |
| CN112033608B (en) | Method for detecting air tightness of battery system | |
| CN206177522U (en) | Movive seal detection device of navigation ware | |
| CN215115050U (en) | Airtightness testing device | |
| KR101604306B1 (en) | Radioactivity leak monitoring system for radioactivity containment building | |
| CN207622919U (en) | A kind of intelligent pressure transmitter for the detection of petroleum transportation pipeline oil pressure | |
| KR102085721B1 (en) | Volume and density measuring apparatus and Maintenance apparatus for liquid storage tank using the same | |
| CN204064558U (en) | Airtight detecting apparatus gas tank | |
| CN216132647U (en) | Capacitance air tightness detection device | |
| CN209225357U (en) | A kind of inflation paddle board | |
| CN106443407B (en) | A kind of mini type high temperature high-potting method | |
| CN210863059U (en) | Shell airtightness detection tool | |
| CN110243544B (en) | Air leakage detection device, system and method | |
| CN204882011U (en) | Worm wheel reducing gear box gas tightness test equipment | |
| CN211504524U (en) | Detection device of shield soil pressure sensor | |
| CN108692873B (en) | A kind of air pressure leak test device and test method | |
| CN206208475U (en) | A kind of device for detecting aluminum alloy die casting air-tightness | |
| CN109436231A (en) | A kind of inflation paddle board | |
| JPS63286736A (en) | Leak inspection method and non-defective container selecting method | |
| CN218455531U (en) | Sealed gas tightness detection device that covers | |
| CN220626047U (en) | Soft package battery packaging quality testing device | |
| CN212059272U (en) | Power battery package gas tightness detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |