CN109580125A - A kind of hermetic seal zipper slip accurate detection device and method - Google Patents
A kind of hermetic seal zipper slip accurate detection device and method Download PDFInfo
- Publication number
- CN109580125A CN109580125A CN201811620958.5A CN201811620958A CN109580125A CN 109580125 A CN109580125 A CN 109580125A CN 201811620958 A CN201811620958 A CN 201811620958A CN 109580125 A CN109580125 A CN 109580125A
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- CN
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- Prior art keywords
- hermetic seal
- seal zipper
- zipper
- slip
- mounting device
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims description 21
- 210000002445 nipple Anatomy 0.000 claims description 11
- 238000010079 rubber tapping Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention provides a kind of hermetic seal zipper slip accurate detection device.The hermetic seal zipper slip accurate detection device includes that hermetic seal zipper mounting platform, lifting measuring table and pressure supply system, the hermetic seal zipper mounting platform include the gentle pressure-sealing zipper mounting device of bracket one；The stretching motion end face of the lifting measuring table is equipped with a high-precision scale；The pressure supply system is set to hermetic seal zipper mounting platform side, and provides source liquid to the hermetic seal zipper mounting device.Compared with the relevant technologies, hermetic seal zipper mounting device in hermetic seal zipper slip accurate detection device provided by the invention installs hermetic seal zipper using clamping plate type, reliable airtight cavity can be formed, without individually being detected to its being sealed property, it ensures that air can only be leaked through hermetic seal zipper exemplar, ensure that measurement accuracy.The present invention also provides a kind of hermetic seal zipper slip accurate detecting methods.
Description
Technical field
The present invention relates to aerostatics detection technique field more particularly to a kind of hermetic seal zipper slip accurate detection devices
And method.
Background technique
Hermetic seal zipper can be used for fluid partitioning, air, vapor, dust and light, has and operates convenient, air-tightness is high etc.
Advantage is widely applied in aerostatics field at present.If the radome fairing on captive balloon is equipped with hermetic seal zipper, so that
Radome fairing forms provisional, reusable sealing structure, at the same conveniently to the installation of its internal task load, maintenance,
The integral replacing of maintenance and radome fairing.
It is well known that the slip of utricule is an important indicator for aerostatics, buoyance lift air loss mistake in utricule
Height will lead to system degree in outage, loading capacity and operation index request be not achieved in the empty time, also will lead to aerostatics use at
This (including buoyance lift air consumption, personnel's maintenance management, rate of attendance etc.) is substantially increased.Therefore, to hermetic seal zipper on aerostatics
Leakage rate accurately measures, and is an essential job.
The slip of hermetic seal zipper used in aerostatics is detected at present, main method is according to hermetic seal zipper
Size makes an inflation pump, and hermetic seal zipper is welded on inflator, and inflatable interface and pressure measurement interface are arranged on inflator, such as schemes
Shown in 1, wherein 1 '-inflation pump, 2 '-hermetic seal zipper, 3 '-inflatable interface, 4 '-pressure measurement interface, 5 '-pressure gauge, A- high pressure
Gas source.First to cartridge inflation when detection, using brushing the entire inflator of method elder generation lathery qualitative detection and hermetic seal zipper
Gas leakage situation carries out repair welding with envelop materials if there is larger leak source on inflator material.After excluding envelop materials leak source, then to gas
Cylinder is inflated to specified pressure, and the situation of change of gas cylinder pressure is detected by 5 ' of pressure gauge, and then is scaled hermetic seal drawing
The slip of chain.
The detection mode has the disadvantage in that
(1) influence of this kind of test method to the variation of the more demanding of experimental enviroment, especially environment temperature to pressure compared with
Greatly, test result test inaccuracy is caused；
(2) inflation pump is made by envelop materials, there may be certain gas leak phenomenon at envelop materials itself and welding junction,
Despite the use of it brushes mode lathery to hunt leak, but is only capable of the detection more apparent leakage point of slip, for utricule and capsule
It is difficult to detect by the minor leakage of body commissure；
(3) carrying out inflation pump used in leakage rate testing experiment is disposable tooling, causes waste of material.
Summary of the invention
The purpose of the present invention is to provide a kind of hermetic seal zipper slip accurate detection device and methods, solve routine
The method of inspection be put to the test environment, test inflator tooling material and structure type be affected, and then be difficult to its slip carry out
The problem of reliable measurements, realizes the high-precision detection to aerostatics hermetic seal zipper slip.
The present invention provides a kind of hermetic seal zipper slip accurate detection device comprising hermetic seal zipper mounting platform,
Go up and down measuring table and pressure supply system, the hermetic seal zipper mounting platform includes bracket one and above the bracket one
Hermetic seal zipper mounting device；The lifting measuring table from the bracket one to close on or far from hermetic seal zipper installation dress
The flexible setting in the direction set, stretching motion end face is equipped with a high-precision scale；The pressure supply system is pacified set on hermetic seal zipper
Assembling platform side, and the source liquid for detecting slip is provided to the hermetic seal zipper mounting device.
Hermetic seal zipper mounting device is placed on bracket one, compared to being placed directly on high-precision scale, the latter
Eliminate the zero drift error of scale.
Weigh to obtain the mass incremental of difficult volatile liquid by high-precision scale to obtain the leakage rate of air, from measurement side
Measurement accuracy is improved in method.
Preferably, the hermetic seal zipper mounting device includes lower platen, the top board for being covered on the lower platen and company
The fishbolt being connected between the lower platen and top board, the lower platen middle part are provided along its length a cavity, institute
It states lower platen and is equipped with the fill nipple being connected to the cavity, the pressure supply system is connected to the fill nipple；The upper pressure
Through slot corresponding with the cavity position is equipped in the middle part of plate.
Preferably, the hermetic seal zipper mounting device further includes sealing ring, is located on the outside of the cavity, and be embedded in
The lower platen；
The difficult volatile liquid of source liquid；The fill nipple is set in the middle part of the lower end of the lower platen；Utilize difficult volatility
Liquid flows into cavity from platform lowermost end, so that chamber air is formed air-tight state simulation actual condition, to save compressed gas
Source and more stable pressure is built, so that the present apparatus applies convenience, safety, energy conservation.
Preferably, the hermetic seal zipper mounting device further includes handle, and the handle is set to the top board and closes on
Middle part setting.
Preferably, the hermetic seal zipper mounting platform further includes pressure gauge, and the pressure gauge is drawn set on the hermetic seal
Chain mounting device one end, and be connected to the cavity.
Preferably, the pressure supply system includes bracket two, the fluid box for being placed in two top of bracket, is set to the liquid
The tapping of case side lower end switchs, and the hose being connected between the tapping switch and fill nipple, the source liquid are placed in institute
It states in fluid box.The open and close of liquid and flow velocity, the hose provide circulation for source liquid in the tapping switch controls fluid box
Pipeline.
Preferably, the height of the bracket two is higher than the height of the bracket one.Bracket two except in addition to placing fluid box,
By adjusting the also settable inlet hydraulic of its height.
Preferably, the lifting measuring table further includes lifting device, is set in the bracket one, passes through one handle tune
The lifting of its tache motorice is saved, the high-precision scale is set to the top surface of the tache motorice.It can make to push up by the handle of rotating lifting gear
Plate and high-precision scale move up and down, and gap weighing is made to become convenient.
The present invention also provides a kind of hermetic seal zipper slip accurate detecting methods, comprising the following steps:
Step 1 provides hermetic seal zipper mounting platform, lifting measuring table and pressure supply system, test system building；
Step 2 is declined the position of the lifting device and the decline high-precision scale by handle, makes itself and the hermetic seal
Zipper mounting device is detached from；
Step 3 closes the liquid switch, difficult volatile liquid is injected in Xiang Suoshu fluid box；
Step 4 installs hermetic seal zipper, it is set between the top board and lower platen, and is fixed by fishbolt,
The hermetic seal zipper and the cavity form a closed chamber；
Step 5 opens the tapping switch on fluid box, and the hardly possible volatile liquid enters in closed chamber from hose, and passes through
Check that pressure gauge is stablized in a pressure value；
Step 6 rises the lifting device by handle, and the high-precision scale is affixed on the hermetic seal zipper mounting device,
It measures hermetic seal zipper mounting device gross mass m1 and records；
Step 7 starts lifting device, and the high-precision scale is dropped to and is detached from the hermetic seal zipper mounting device；
Step 8 repeats step 6, measures hermetic seal zipper mounting device gross mass m2 and record after the stipulated time；
Step 9, by m1 and m2 calculate difficult volatile liquid enter hermetic seal zipper installation installation closed chamber in it is of poor quality
Value, is scaled the volume of air of leakage, the i.e. slip of hermetic seal zipper；
Step 10 completes detection.
Preferably, before detection, hermetic seal zipper slip is accurately detected to the interior for being placed in temperature change in ± 1 DEG C
In environment；In step 3, the difficult volatile liquid that is injected into fluid box ensures that liquid volume is no less than closed chamber volume
50%.
Hermetic seal compared with the relevant technologies, in a kind of hermetic seal zipper slip accurate detection device provided by the invention
Zipper mounting device installs hermetic seal zipper using clamping plate type, and can form reliable airtight cavity, without individually carrying out to it
Sealing propertytest, it is ensured that air can only be leaked through hermetic seal zipper exemplar, ensure that measurement accuracy.The present invention also provides one
Kind hermetic seal zipper slip accurate detecting method forms pressure difference using difficult volatile liquid and simulates actual condition, eliminates pressure
Contracting gas source and more stable pressure is built, ensure that measurement accuracy from measurement method.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing hermetic seal zipper leakage rate detection apparatus；
Fig. 2 is the structural schematic diagram of hermetic seal zipper slip accurate detection device provided by the invention；
Fig. 3 is the structural schematic diagram of the hermetic seal zipper mounting device in Fig. 1；
Fig. 4 is the cross-sectional view of the A-A along Fig. 3；
Fig. 5 is hermetic seal zipper slip accurate detecting method flow chart provided by the invention.
Specific embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other.For sake of convenience, hereinafter as occurred
"upper", "lower", "left", "right" printed words only indicate consistent with the upper and lower, left and right direction of attached drawing itself, do not play limit to structure
It is set for using.
As shown in Fig. 2, hermetic seal zipper slip accurate detection device provided in this embodiment includes hermetic seal zipper peace
Assembling platform, lifting measuring table and pressure supply system.
As shown in Figure 2 and Figure 3, the hermetic seal zipper mounting platform includes bracket 1,4 and of hermetic seal zipper mounting device
Pressure gauge 14.
The hermetic seal zipper mounting device 4 is clamping plate type structure, is set to the top of the bracket 1.It is described airtight
Sealing zipper mounting device 4 includes top board 10, fishbolt 11, handle 12, lower platen 13, fill nipple 15 and sealing ring 18.
As shown in figure 4, being provided along its length a cavity 16 in the middle part of the lower platen 10.As shown in figure 3, the pushing
The fill nipple 15 being connected to the cavity is equipped in the middle part of the lower end of plate 10.
As shown in figure 4, hermetic seal zipper 17 is set to the top of the cavity 16 of the lower platen 10, the lid of top board 10 is closed
In on the lower platen 13, fixed by the fishbolt 11.The sealing ring 18 is on the lower platen 13, and ring is set
It is arranged in the outside of the cavity 16.The sealing ring 18 is connected to the downside of hermetic seal zipper 17.Hermetic seal zipper as a result,
17 and cavity 16 formed a closed chamber.The middle part of the top board 10 is equipped with through slot corresponding with 16 position of cavity (not
Diagram), it conveniently checks the state of hermetic seal zipper 17 and operates on it.
As shown in Fig. 2, the pressure supply system includes hose 5, tapping switch 6, fluid box 7, source liquid 8 and bracket 29.It is described
The height of bracket 29 is higher than the height of the bracket 1, and the fluid box 7 is placed in 29 upper end of bracket.Bracket 29 removes
For placing outside fluid box 7, by adjusting the also settable inlet hydraulic of its height.The tapping switch 6 is set to the fluid box 7
Side lower end, hose 5 is connected between the tapping switch 6 and fill nipple 15, and the source liquid 8 is placed in the fluid box
In 7.
As shown in Figure 2, Figure 4 shows, the 8 self seeding connector of source liquid is flowed into the cavity 16, and the source liquid 8 is difficult volatilization
Property liquid.The sealing ring 18 guarantees to be used simultaneously by closed air not from slot leakage between hermetic seal zipper exemplar and pressing plate
Difficult volatile liquid forms resistance sealing liquid, further ensures that air can only be leaked through hermetic seal zipper exemplar, ensure that measurement essence
Degree.
As shown in figure 3, the handle 12 is set to the top board 10 and closes on middle part setting.The quantity of handle 12 is two
It is a, it is arranged in 10 width direction two sides of top board, installation and carrying etc. is facilitated to operate.The pressure gauge 14 is set to the hermetic seal
4 one end of zipper mounting device, and be connected to the cavity 16.The pressure gauge 14 is for detecting hermetic seal zipper mounting device
Pressure in closed chamber.
As shown in Fig. 2, the lifting measuring table includes lifting device 2 and high-precision scale 3.The lifting device 2 is set to
In the bracket 1, the lifting of its tache motorice is adjusted by one handle (not labeled), the high-precision scale 3 is set to the tache motorice
Top surface.
As shown in Fig. 1 ~ 5, hermetic seal zipper slip accurate detecting method provided by the invention, comprising the following steps:
Step S1 provides hermetic seal zipper mounting platform, lifting measuring table and pressure supply system, test system building, and places
In temperature change in the indoor environment in ± 1 DEG C.
Step S2 declines the position of the lifting device 2 and the decline high-precision scale 3 by handle, make its with it is described
Hermetic seal zipper mounting device 4 is detached from.
Step S3 closes the liquid switch 6, difficult volatile liquid, i.e. source liquid 8 is injected in Xiang Suoshu fluid box 7.
Step S4 installs hermetic seal zipper 17, it is set between the top board 10 and lower platen 13, and pass through clamping
Bolt 11 is fixed, and the hermetic seal zipper 17 forms a closed chamber with the cavity 16.It is injected into fluid box in step S3
Difficult volatile liquid ensures that liquid volume is no less than the 50% of closed chamber volume.
Step S5 opens the tapping switch 6 on fluid box 7, and the hardly possible volatile liquid enters in closed chamber from hose,
And by checking pressure gauge 14, stablized in a certain pressure value.
Step S6 rises the lifting device 2 by handle, and the high-precision scale 3 is affixed on the hermetic seal zipper and is pacified
Assembling device 4 measures 4 gross mass m1 of hermetic seal zipper mounting device and records.
Step S7 starts lifting device 2, the high-precision scale 3 is dropped to and is taken off with the hermetic seal zipper mounting device 4
From.
Step S8 repeats step S6, measures 4 gross mass m2 of hermetic seal zipper mounting device and record after the stipulated time.
Step S9 calculates the matter that difficult volatile liquid enters in hermetic seal zipper installation installation closed chamber by m1 and m2
Difference is measured, the volume of air of leakage, the i.e. slip of hermetic seal zipper are scaled；
Step S10 completes detection.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of hermetic seal zipper slip accurate detection device, which is characterized in that including hermetic seal zipper mounting platform, lifting
Measuring table and pressure supply system, the hermetic seal zipper mounting platform include bracket one and airtight above the bracket one
Seal zipper mounting device；The lifting measuring table is from the bracket one to closing on or far from hermetic seal zipper mounting device
The flexible setting in direction, stretching motion end face is equipped with a high-precision scale；It is flat that the pressure supply system is set to the installation of hermetic seal zipper
Platform side, and the source liquid for detecting slip is provided to the hermetic seal zipper mounting device.
2. hermetic seal zipper slip accurate detection device according to claim 1, which is characterized in that the hermetic seal is drawn
Chain mounting device includes lower platen, the top board for being covered on the lower platen and is connected between the lower platen and top board
Fishbolt, be provided along its length a cavity in the middle part of the lower platen, and the lower platen is equipped with to be connected to the cavity
Fill nipple, the pressure supply system are connected to the fill nipple；It is equipped in the middle part of the top board corresponding with the cavity position
Through slot.
3. hermetic seal zipper slip accurate detection device according to claim 2, which is characterized in that the hermetic seal is drawn
Chain mounting device further includes sealing ring, is located on the outside of the cavity, and is embedded in the lower platen；The fill nipple is set to
In the middle part of the lower end of the lower platen.
4. hermetic seal zipper slip accurate detection device according to claim 2 or 3, which is characterized in that described airtight
Sealing zipper mounting device further includes handle, and the handle is set to the top board and closes on middle part setting.
5. hermetic seal zipper slip accurate detection device according to claim 2 or 3, which is characterized in that described airtight
Seal zipper mounting platform further include pressure gauge, the pressure gauge be set to hermetic seal zipper mounting device one end, and with it is described
Cavity connection.
6. hermetic seal zipper slip accurate detection device according to claim 2 or 3, which is characterized in that the pressure supply
System includes that bracket two, the fluid box for being placed in two top of the bracket, the tapping set on fluid box side lower end switch, and
The hose being connected between the tapping switch and fill nipple, the source liquid are placed in the fluid box；The source liquid is difficult
Volatile liquid.
7. hermetic seal zipper slip accurate detection device according to claim 6, which is characterized in that the bracket two
Height is higher than the height of the bracket one.
8. hermetic seal zipper slip accurate detection device according to claim 2 or 3, which is characterized in that the lifting
Measuring table further includes lifting device, is set in the bracket one, the lifting of its tache motorice, the height are adjusted by one handle
Precision scale is set to the top surface of the tache motorice.
9. a kind of hermetic seal zipper slip accurate detecting method, which comprises the following steps:
Step 1 provides hermetic seal zipper mounting platform, lifting measuring table and pressure supply system, test system building；
Step 2 is declined the position of the lifting device and the decline high-precision scale by handle, makes itself and the hermetic seal
Zipper mounting device is detached from；
Step 3 closes the liquid switch, difficult volatile liquid is injected in Xiang Suoshu fluid box；
Step 4 installs hermetic seal zipper, it is set between the top board and lower platen, and is fixed by fishbolt,
The hermetic seal zipper and the cavity form a closed chamber；
Step 5 opens the tapping switch on fluid box, and the hardly possible volatile liquid enters in closed chamber from hose, and passes through
Check that pressure gauge is stablized in a pressure value；
Step 6 rises the lifting device by handle, and the high-precision scale is affixed on the hermetic seal zipper mounting device,
It measures hermetic seal zipper mounting device gross mass m1 and records；
Step 7 starts lifting device, and the high-precision scale is dropped to and is detached from the hermetic seal zipper mounting device；
Step 8 repeats step 6, measures hermetic seal zipper mounting device gross mass m2 and record after the stipulated time；
Step 9, by m1 and m2 calculate difficult volatile liquid enter hermetic seal zipper installation installation closed chamber in it is of poor quality
Value, is scaled the volume of air of leakage, the i.e. slip of hermetic seal zipper；
Step 10 completes detection.
10. hermetic seal zipper slip accurate detecting method according to claim 9, which is characterized in that before detection, by gas
Pressure-sealing zipper slip, which accurately detects, is placed in temperature change in the indoor environment in ± 1 DEG C；In step 3, it is injected into liquid
Difficult volatile liquid in body case ensures that liquid volume is no less than the 50% of closed chamber volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620958.5A CN109580125B (en) | 2018-12-28 | 2018-12-28 | Accurate detection device and method for leakage rate of airtight zipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620958.5A CN109580125B (en) | 2018-12-28 | 2018-12-28 | Accurate detection device and method for leakage rate of airtight zipper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109580125A true CN109580125A (en) | 2019-04-05 |
| CN109580125B CN109580125B (en) | 2024-01-30 |
Family
ID=65932184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620958.5A Active CN109580125B (en) | 2018-12-28 | 2018-12-28 | Accurate detection device and method for leakage rate of airtight zipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109580125B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729707A (en) * | 2021-01-19 | 2021-04-30 | 华腾实业（深圳）股份有限公司 | Airtightness detection equipment for production of clothing zippers |
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| CN209166757U (en) * | 2018-12-28 | 2019-07-26 | 湖南航天远望科技有限公司 | A kind of accurate detection device of hermetic seal zipper slip |
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| CN112729707A (en) * | 2021-01-19 | 2021-04-30 | 华腾实业（深圳）股份有限公司 | Airtightness detection equipment for production of clothing zippers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109580125B (en) | 2024-01-30 |
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