CN214748689U - Air leakage detection structure and test cover structure of inflatable product - Google Patents
Air leakage detection structure and test cover structure of inflatable product Download PDFInfo
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- CN214748689U CN214748689U CN202120367781.3U CN202120367781U CN214748689U CN 214748689 U CN214748689 U CN 214748689U CN 202120367781 U CN202120367781 U CN 202120367781U CN 214748689 U CN214748689 U CN 214748689U
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/227—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for flexible or elastic containers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/229—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators removably mounted in a test cell
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a gas leakage detection structure and a test cover structure of an inflatable product, wherein the detection structure comprises a test cover, a gas tester and a control assembly, a space for accommodating the inflatable product is arranged in the test cover, N test areas are arranged on the test cover, more than one detection hole is arranged on each test area, wherein N is more than or equal to 2; the gas tester is selectively communicated with or disconnected from the detection holes on the N test areas through the control assembly. The utility model discloses divide the test cover into a plurality of test regions to set up a plurality of inspection holes at every test region, and every inspection hole all is connected with the helium mass spectrometer, so no matter which position of inflatable products leaks gas, the gas tester homoenergetic detects fast, makes the gas leakage detection consuming time few, can accomplish the gas leakage detection fast.
Description
Technical Field
The utility model relates to an aerify product gas leakage detection technical field, concretely relates to aerify gas leakage detection structure and test cover structure of product.
Background
Common inflatable products in the market, such as inflatable beds, inflatable tables, inflatable boats, inflatable toys and the like, are popular with consumers due to the advantages of light weight, folding property, easy carrying, good comfort and the like, have extremely wide application range, become one of essential products for people to stay at home and travel, and have extremely high market prospect. The air tightness of the aerated product is a key index for judging the product quality of the aerated product, and whether the air tightness is excellent or not directly influences the use experience of consumers on the aerated product. Therefore, most inflatable products are tested for air tightness before being put on the market.
At present, the airtightness detection methods of the aerated product comprise a pressure drop method and a gas detection method, and the helium detection method is most commonly used in the gas detection method. The existing helium detection device comprises a test cover and a helium mass spectrometer, wherein the test cover is provided with a detection hole, and the detection hole is connected with the helium mass spectrometer. After the helium is filled in the inflatable product, the inflatable product is placed in the sealed test cover, and after the inflatable product is placed for a period of time, if the inflatable product has an air leakage condition, the helium mass spectrometer can detect the helium. The helium detection device has the following problems:
firstly, because only one detection air hole is arranged on the test cover, when the air leakage point is not near the detection air hole, a certain time is needed for the helium to diffuse to the detection air hole. Therefore, the air leakage detection needs to be placed for a long time, and the time cost is high.
Second, in order to accomplish the gas leakage detection of aerifing the product fast, fill at the inside helium concentration of aerifing the product through improving at present, like this, even gas leakage point and detection gas pocket have a certain distance, helium mass spectrometer also can the short-term test. However, since helium is expensive, increasing helium concentration will undoubtedly increase the cost of leak detection.
In view of the above, the present disclosure is developed by the present designer aiming at the problems of the air leakage detection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aerify gas leakage detection structure and test cover structure of product to reduce gas leakage detection's time, realize quick gas leakage detection.
In order to achieve the above object, the utility model adopts the following technical scheme:
a gas leakage detection structure of an inflatable product comprises a test cover, a gas tester and a control assembly, wherein a space for accommodating the inflatable product is arranged in the test cover, N test areas are arranged on the test cover, more than one detection hole is arranged in each test area, and N is more than or equal to 2; the gas tester is selectively communicated with or disconnected from the detection holes on the N test areas through the control assembly.
The control assembly comprises N groups of detection pipelines, and a detection hole on each test area is connected to the gas tester through a detection pipeline; each detection pipeline is provided with a control valve, and N control valves are closed in a normal state; in the detection state, the N control valves are opened one by one, and only one control valve is opened at each moment.
The air leakage detection structure further comprises an air exhaust device, and the air exhaust device is connected with the detection holes in the test area areas.
The gas tester is a gas mass spectrometer.
The gas tester is a helium tester or a sulfur hexafluoride tester.
A test cover structure for detecting air leakage of an inflatable product is characterized in that a space for containing the inflatable product is arranged in the test cover, N test areas are arranged on the test cover, more than one detection hole is formed in each test area, and N is more than or equal to 2.
The detection hole is arranged on the side wall of the test cover.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
one, the utility model discloses divide the test cover into a plurality of test regions to set up a plurality of inspection holes at every test region, and every inspection hole all is connected with the helium mass spectrometer, so no matter what position of inflatable products leaks gas, the gas tester homoenergetic detects fast, makes the gas leakage detection consuming time few, can accomplish the gas leakage detection fast.
Two, the utility model discloses a control assembly has controlled a N test area territory and has communicated with the gas tester one by one, realizes the independent detection to every test area territory, has dwindled the gaseous diffusion scope of leakage from this, so, pack and wait to detect the inside mist of inflatable product, the concentration of helium can reduce to this reduces gas leakage detection cost. In this embodiment, the helium concentration is about 3% at the lowest, and certainly, if more test areas are divided on the test cover and each test area is provided with more detection holes, the helium concentration in the mixed gas can be lower.
Three, the utility model discloses a control assembly has controlled a N test area territory and has communicated with gas tester one by one, realizes the independent detection to every test area territory, so can pinpoint out the gas leakage region, and then reduced the scope of seeking of gas leakage hole, facilitate for the repair work of follow-up inflatable product.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention;
fig. 3-4 are schematic structural diagrams of different angles of a first embodiment of the test cover of the present invention;
FIG. 5 is a schematic structural view of a second embodiment of a test hood according to the present invention;
fig. 6 is a schematic structural view of a third embodiment of the test cover of the present invention;
fig. 7 is a schematic structural view of a fourth embodiment of the test cover of the present invention;
fig. 8 is a schematic structural view of a fifth embodiment of the test cover of the present invention;
fig. 9 is a schematic structural view of a sixth embodiment of the test cover of the present invention;
description of reference numerals:
a test housing 1; a recessed portion 11; an aerated product 2; a helium mass spectrometer 3; a detection pipeline 4; a control valve 5; and an air extracting device 6.
Detailed Description
As shown in fig. 1, the utility model discloses a gas leakage detection structure of an inflatable product, which comprises a test cover 1, a gas tester and a control component, wherein a space for accommodating an inflatable product 2 is arranged in the test cover 1, N test areas are arranged on the test cover 1, and more than one detection hole is arranged on each test area, wherein N is more than or equal to 2; the gas tester is selectively communicated with or disconnected from the detection holes on each test area through the control assembly.
The gas tester can adopt a gas mass spectrometer, and specifically can adopt a helium mass spectrometer 3 and a sulfur hexafluoride mass spectrometer. In the following examples, the gas tester used a helium mass spectrometer 3.
Will the utility model discloses a structure is applied to gas leakage detection time measuring, adopts the mist that contains the helium to aerify inflatable products 2, then will accomplish inflatable products 2 and place and carry out gas leakage detection in the space of test cover 1. Under the detection state, through the inspection hole of control assembly control N test area territory with helium mass spectrometer 3 intercommunication in proper order, helium mass spectrometer 3 will extract the gas appearance in N test area territories one by one and detect, as long as one of them test area territory detects gas leakage, should aerify product 2 and just belong to the gas leakage product, need to rework the restoration. Of course, the helium mass spectrometer 3 can also detect two or more test areas simultaneously.
The utility model discloses divide test cover 1 into a plurality of test regions to set up a plurality of inspection holes at every test region, and every inspection hole all is connected with helium mass spectrometer 3, so no matter aerify 2 which positions of product gas leakage, helium mass spectrometer 3 homoenergetic short-term test makes gas leakage detection consuming time few, can accomplish gas leakage detection fast.
Under the detection state, if the control assembly controls the detection holes of the N test areas to be communicated with the helium mass spectrometer 3 in sequence, the independent detection of the N test areas is realized, and the search range of the air leakage holes can be reduced. Therefore, the control assembly in this embodiment includes N sets of detection pipelines 4, and the detection hole on each of the test areas is connected to the helium mass spectrometer 3 through one detection pipeline 4; each detection pipeline 4 is provided with a control valve 5, and in a normal state, the N control valves 5 are closed; in the detection state, the N control valves 5 are opened one by one, and only one control valve 5 is opened at each time. When helium mass spectrometer 3 detected a certain test area, the control valve 5 that this test area corresponds was opened, and other control valves 5 are closed, if detect out that this test area has gas leakage, then, only in this test area within range or be close to this test area within range seek the gas leakage hole can, make things convenient for maintenance personal to seek the building gas hole more fast, be convenient for subsequent repair of doing over again.
As shown in fig. 2, in order to further reduce the time consumption of air leakage detection, the air leakage detection structure in this embodiment further includes an air extractor 6, and the air extractor 6 is connected to the detection holes on each test area region. The arrangement of the air extractor 6 increases the pressure difference between the inside and the outside of the inflated product 2 in the test hood 1. If the inflatable product 2 has air leakage, under the condition that the difference between internal pressure and external pressure is large, helium of the inflatable product 2 can be quickly leaked out from an air leakage position, and the helium mass spectrometer 3 can also be used for quickly detecting whether air leakage occurs or not, so that the time consumed by air leakage is reduced.
In this embodiment, each test area on the test mask 1 is divided into virtual partitions, and there is no separation between the test areas. As shown in fig. 3, the test mask in this embodiment is divided into five test areas, and each test area is illustrated separately by a dotted line in fig. 3. Of course, in the practical application process, a corresponding isolation structure may be arranged on the test cover 1, so as to separate each test area to a certain extent, but the isolation structure should not damage the inflatable product 2 to be tested.
As shown in fig. 3-7, the respective test hoods 1 can be arranged according to the actual shape of the inflatable product 2, i.e. the test hoods 1 can be arranged in a circle, octagon, hexagram or square shape. In this embodiment, since the product to be tested is an inflatable pool, the top side of the test cover 1 will be recessed into the test cover 1 to form a recess 11 that matches the shape of the inflatable pool so that the side walls of the test cover 1 can be as close as possible to the inflatable product 2. Therefore, the detection hole is provided on the side wall of the test hood 1, and when the inflatable product 2 leaks, the helium mass spectrometer 3 connected to the detection hole can quickly detect the gas leakage. As shown in fig. 8-9, the test cover 1 may also be provided in a circular, square, etc. shape without the recess 11 if the inflatable product 2 being tested is of another type.
To sum up, the utility model discloses following beneficial effect has at least:
two, the utility model discloses divide test cover 1 into a plurality of test regions to set up a plurality of inspection holes at every test region, and every inspection hole all is connected with helium mass spectrometer 3, so no matter aerify 2 which positions of product and leak gas, helium mass spectrometer 3 homoenergetic short-term test makes the gas leakage test consuming time few, can accomplish gas leakage test fast.
Two, the utility model discloses a control assembly has controlled a N test area and has communicated with helium mass spectrometer 3 one by one, realizes the independent detection to every test area, has dwindled the gaseous diffusion scope of leakage from this, so, pack and wait to detect the mixed gas of inflating product 2 inside, the concentration of helium can reduce to this reduces gas leakage detection cost. In this embodiment, the helium concentration is about 3% at the lowest, and certainly, if more test areas are divided on the test cover 1 and each test area is provided with more detection holes, the helium concentration in the mixed gas can be lower.
Three, the utility model discloses a control assembly has controlled a N test area and has communicated with helium mass spectrometer 3 one by one, realizes the independent detection to every test area territory, so can pinpoint out the gas leakage region, and then reduced the scope of seeking of gas leakage hole, facilitate for the repair work of follow-up inflatable product 2.
The above description is only an embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an aerify product's gas leakage detection structure which characterized in that: the inflatable test device comprises a test cover, a gas tester and a control assembly, wherein a space for containing an inflatable product is arranged in the test cover, N test areas are arranged on the test cover, more than one test hole is arranged on each test area, and N is more than or equal to 2; the gas tester is selectively communicated with or disconnected from the detection holes on the N test areas through the control assembly.
2. A gas leakage detecting structure of an inflatable product according to claim 1, wherein: the control assembly comprises N groups of detection pipelines, and a detection hole on each test area is connected to the gas tester through a detection pipeline; each detection pipeline is provided with a control valve, and N control valves are closed in a normal state; under the detection state, the N control valves are opened one by one, and only one control valve is opened at each moment.
3. A gas leakage detecting structure of an inflatable product according to claim 1, wherein: the air leakage detection structure further comprises an air exhaust device, and the air exhaust device is connected with the detection holes in the test area areas.
4. A gas leakage detecting structure of an inflatable product according to claim 1, wherein: the gas tester is a gas mass spectrometer.
5. A gas leakage detecting structure of an inflatable product according to claim 1, wherein: the gas tester is a helium tester or a sulfur hexafluoride tester.
6. The utility model provides a test cover structure for inflating product gas leakage detection which characterized in that: the inflatable product testing device is characterized in that a space for containing an inflatable product is arranged in the testing cover, N testing areas are arranged on the testing cover, more than one detection hole is formed in each testing area, and N is more than or equal to 2.
7. A test cover structure for air leak detection of an inflatable product according to claim 6, wherein: the detection hole is arranged on the side wall of the test cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367781.3U CN214748689U (en) | 2021-02-08 | 2021-02-08 | Air leakage detection structure and test cover structure of inflatable product |
| PCT/IB2022/051123 WO2022168068A1 (en) | 2021-02-08 | 2022-02-08 | Air leakage detection structure and test cover structure for inflatable product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367781.3U CN214748689U (en) | 2021-02-08 | 2021-02-08 | Air leakage detection structure and test cover structure of inflatable product |
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| CN214748689U true CN214748689U (en) | 2021-11-16 |
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| CN202120367781.3U Active CN214748689U (en) | 2021-02-08 | 2021-02-08 | Air leakage detection structure and test cover structure of inflatable product |
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| Country | Link |
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| WO (1) | WO2022168068A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117168709A (en) * | 2023-10-26 | 2023-12-05 | 中科艾尔(北京)科技有限公司 | Tool and method for detecting air tightness of semiconductor base block |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5779422A (en) * | 1980-11-05 | 1982-05-18 | Toshiba Corp | Leak test device |
| CA2273339A1 (en) * | 1996-12-02 | 1998-06-11 | True Technology, Inc. | Method and apparatus for detecting leaks |
| CN108225685B (en) * | 2017-12-27 | 2019-12-03 | 北京临近空间飞艇技术开发有限公司 | A kind of gas leak detection apparatus and its detection method |
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- 2021-02-08 CN CN202120367781.3U patent/CN214748689U/en active Active
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- 2022-02-08 WO PCT/IB2022/051123 patent/WO2022168068A1/en active Application Filing
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| WO2022168068A1 (en) | 2022-08-11 |
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