CN216410534U - Air tightness detection device for capsule material welding position - Google Patents
Air tightness detection device for capsule material welding position Download PDFInfo
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- CN216410534U CN216410534U CN202122117396.6U CN202122117396U CN216410534U CN 216410534 U CN216410534 U CN 216410534U CN 202122117396 U CN202122117396 U CN 202122117396U CN 216410534 U CN216410534 U CN 216410534U
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- airbag
- air
- welding
- air bag
- sample piece
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- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000003466 welding Methods 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 239000002775 capsule Substances 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229920001903 high density polyethylene Polymers 0.000 claims description 2
- 239000004700 high-density polyethylene Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses an air tightness detection device for a bag body material welding part, which comprises an inflating device, an air bag fixing device, a bag body material air bag sample piece and a pressure testing device, wherein the air bag fixing device is a barrel-shaped device, and the side surface of the air bag fixing device is provided with an air inlet and a pressure measuring port which are respectively connected with the inflating device and the pressure testing device in a sealing way; the opening at the upper end is hermetically connected with the gasbag sample piece made of the gasbag body material. The inflating device inflates and pressurizes the air tightness detection device, the pressure change of the whole air tightness detection device is tested through the pressure test device, and the air tightness of the airbag material airbag sample piece is determined. The utility model can accurately detect the air tightness of the welding position of the capsule body material and is more in line with practical application.
Description
Technical Field
The utility model relates to the field of air tightness detection and pressure maintaining test of aerostat capsule materials, in particular to an air tightness detection device for a capsule material welding part.
Background
At present, a gas permeability tester is generally adopted to detect the air tightness of a capsule material, and the air tightness detection at a weld joint of the capsule material has no proper detection equipment or detection method temporarily. The air tightness detection of the capsule material welding seam cannot be completed by using a gas permeameter due to the fact that the capsule material welding seam is overlapped by multiple layers of materials and the periphery of the welding seam is not flat. Therefore, it is necessary to provide a device for detecting the welding airtightness of the bladder material to solve the above problems.
Disclosure of Invention
The utility model aims to provide a device for detecting the air tightness of a capsule material welding position, and aims to solve the problem that a common gas permeability tester in the prior art cannot accurately test the air tightness of the capsule material welding position.
In order to solve the existing technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a capsule material welding seam gas tightness detection device which characterized in that includes: the device comprises an inflating device, an air bag fixing device, a bag body material air bag sample piece and a pressure testing device; the air bag fixing device is a cylindrical container, and the side surface of the container is provided with an air inlet and a pressure measuring port which are respectively connected with the inflating device and the pressure testing device in a sealing way; the opening at the top end of the container is hermetically connected with the gasbag sample piece made of the gasbag material to be detected.
Further, the material of the airbag fixing device of the present invention is preferably 304 iron or high density polyethylene plastic cylindrical container, the diameter of the container is preferably 0.5m, and the height of the container is preferably 1.2 m.
Furthermore, the inflating device is an air compressor, a compressed gas cylinder or other inflatable equipment, the inflating speed of the equipment is preferably 500 Pa/min-800 Pa/min, and the inflating pressure range of the air bag to be tested is preferably 3000 Pa-6000 Pa.
Further, the pressure testing device is a pressure gauge, a pressure sensor or other meters capable of continuously monitoring gas pressure, the measuring range of the meter is preferably 10000Pa, and the precision is preferably 1 Pa.
Furthermore, the airbag sample piece made of the bag body material is a rectangular bag-shaped airbag, the length of the airbag is preferably 1.2m, and the width of the airbag is preferably 0.9-1.0 m; the width of the air bag can be sleeved in the opening at the top end of the air bag fixing device.
Furthermore, one end of the bag body material air bag sample piece is sealed in a welding or bonding mode, the other end of the bag body material air bag sample piece is in sealing connection with the air bag fixing device in a hot melting bonding mode, and the sealing connection width is preferably 15 cm-20 cm.
Furthermore, the airbag material airbag sample piece of the utility model is preferably provided with 1-10 welding seams to be measured, and the length of the welding seams is preferably 80 cm.
Furthermore, the welding position of the airbag material airbag sample piece can adopt one or more of high-frequency welding, heating welding and hot air welding.
Advantageous effects
The air tightness detection device provided by the utility model realizes effective measurement of air tightness of the welding position of the capsule body material, the measurement method has more obvious sample representativeness compared with a laboratory gas permeameter, and the test evaluation is more in line with practical application.
Drawings
Fig. 1 is a schematic view of an air tightness detection device for a capsule material welding part, wherein the marks are as follows: 1-bag body material air bag sample piece, 2-air bag fixing device, 3-welding seam, 4-air inlet and 5-pressure measuring port.
Detailed Description
In order to clearly and completely describe the objects and technical solutions of the present invention and to make the advantages thereof more apparent, embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the utility model and are not limiting of the utility model, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the utility model.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. But it is obvious. To one of ordinary skill in the art, the embodiments may be practiced without limitation to these specific details.
Example one
As shown in fig. 1, an air tightness detecting device is used for testing the air tightness of a welding position of a capsule material. The test specimen is the bladder material bladder sample of fig. 1 with a weld (weld).
Gasbag material welding department's gas tightness detection device includes: the device comprises an inflating device, an air bag fixing device, a bag body material air bag sample piece and a pressure testing device; the air bag fixing device is an iron barrel-shaped device, and an air inlet and a pressure measuring port are arranged on the side surface of the air bag fixing device and are respectively connected with the inflating device and the pressure testing device in a sealing manner; the opening at the upper end is hermetically connected with the gasbag sample piece made of the gasbag body material.
The inflating device is a compressed gas cylinder, and the inflating pressure is 2000-6000 Pa.
The pressure testing device is a pressure gauge and can continuously monitor the internal pressure of the air tightness detecting device.
The airbag sample made of the bag body material is cylindrical, the size of the sample is just capable of being sleeved into an opening at the upper end of the airbag fixing device, and a welding seam for heat seal welding is arranged on the surface of the sample; one end of the air bag sample piece is sealed in a bonding mode, and the other end of the air bag sample piece is connected with the air bag fixing device in a sealing mode in a bonding mode.
The air tightness detection device for the welding position of the capsule material in the first embodiment has the following testing method:
step 1: the airbag sample piece made of the airbag material is hermetically connected with the airbag fixing device in a bonding mode;
step 2: inflating the air tightness detection device by using a compressed air bottle, and pressurizing to 2000 Pa;
and step 3: and continuously monitoring the pressure change of the air tightness detection device within 12h by using a pressure test device, wherein the pressure change is less than 1 percent, which indicates that the air tightness of the welding part of the capsule body material is good.
It is to be understood that the above-described embodiments are only some of the embodiments of the present application, and not all embodiments of the present application. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (8)
1. The utility model provides an air tightness detection device of capsule material welding department, includes aerating device, gasbag fixing device, utricule material gasbag appearance piece and pressure test device, its characterized in that:
the air bag fixing device is a cylindrical container, and the side surface of the container is provided with an air inlet and a pressure measuring port which are respectively connected with the inflating device and the pressure testing device in a sealing way; the opening at the top end of the container is hermetically connected with the gasbag sample piece made of the gasbag material to be detected.
2. The airtightness detection apparatus according to claim 1, wherein: the material of gasbag fixing device is 304 iron or high density polyethylene plastics, and gasbag fixing device is the cylinder container, and the container diameter is 0.5m, and the container height is 1.2 m.
3. The airtightness detection apparatus according to claim 1, wherein: the inflating device is an air compressor or a compressed air bottle, the inflating speed of the equipment is 500 Pa/min-800 Pa/min, and the inflating pressure range of the air bag to be tested is 3000 Pa-6000 Pa.
4. The airtightness detection apparatus according to claim 1, wherein: the pressure testing device is a pressure gauge or a pressure sensor, the pressure measuring range of the gauge is 10000Pa, and the precision is 1 Pa.
5. The airtightness detection apparatus according to claim 1, wherein: the airbag sample piece made of the airbag material is a rectangular bag-shaped airbag, the length of the airbag is 1.2m, and the width of the airbag is 0.9-1.0 m; the width of the air bag can be sleeved in the opening at the top end of the air bag fixing device.
6. The airtightness detection apparatus according to claim 1 or 5, wherein: one end of the bag body material air bag sample piece is sealed in a welding or bonding mode, the other end of the bag body material air bag sample piece is connected with the air bag fixing device in a sealing mode in a hot melting bonding mode, and the sealing connection width is 15 cm-20 cm.
7. The airtightness detection apparatus according to claim 1 or 5, wherein: the airbag material airbag sample piece is provided with 1-10 welding seams to be detected, and the length of each welding seam is 80 cm.
8. The airtightness detection apparatus according to claim 1 or 5, wherein: the welding position of the airbag material airbag sample piece adopts one or more of high-frequency welding, heating welding and hot air welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122117396.6U CN216410534U (en) | 2021-09-03 | 2021-09-03 | Air tightness detection device for capsule material welding position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122117396.6U CN216410534U (en) | 2021-09-03 | 2021-09-03 | Air tightness detection device for capsule material welding position |
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| Publication Number | Publication Date |
|---|---|
| CN216410534U true CN216410534U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122117396.6U Active CN216410534U (en) | 2021-09-03 | 2021-09-03 | Air tightness detection device for capsule material welding position |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114965212A (en) * | 2022-05-23 | 2022-08-30 | 中国电子科技集团公司第三十八研究所 | Method for quickly verifying air tightness of aerostat envelope material |
-
2021
- 2021-09-03 CN CN202122117396.6U patent/CN216410534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114965212A (en) * | 2022-05-23 | 2022-08-30 | 中国电子科技集团公司第三十八研究所 | Method for quickly verifying air tightness of aerostat envelope material |
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