CN206906202U - A kind of experimental provision for aerostatics envelop materialses testing permeability - Google Patents
A kind of experimental provision for aerostatics envelop materialses testing permeability Download PDFInfo
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- CN206906202U CN206906202U CN201720506247.XU CN201720506247U CN206906202U CN 206906202 U CN206906202 U CN 206906202U CN 201720506247 U CN201720506247 U CN 201720506247U CN 206906202 U CN206906202 U CN 206906202U
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Abstract
Embodiment of the present utility model discloses a kind of experimental provision for aerostatics envelop materialses testing permeability, the aerostatics utricule that the device manufactures the processing operating mode using the simulation aerostatics such as cutting, welding and folding is assembled into experimental provision, air pressure in aerostatics utricule is controlled by industrial computer, the infiltration capacity for the material for manufacturing the aerostatics utricule is then calculated by the net buoyancy of the aerostatics at different moments of measurement.The manufacturing process of the aerostatics utricule of the device to test simulates the actual processing process of aerostatics envelop materialses, and the air pressure inside aerostatics utricule is kept in experimentation, simulate the gas pressure loads that aerostatics envelop materialses during true use are born, so that the obtained value of net buoyancy of measurement close to the net buoyancy during the true use of aerostatics, improves the accuracy of the infiltration capacity for the aerostatics envelop materialses that experiment obtains.
Description
Technical field
Material permeability technical field is the utility model is related to, being used for aerostatics envelop materialses more particularly, to one kind permeates
Property test experimental provision.
Background technology
It is floating for complicated and special environmental requirements such as day and night temperature is big during adequacy test, high radiation, high ozones
Pocket envelop materialses need to have high intensity, lightweight, environment resistant good, tear resistance, low gas permeability, low creep and good
The performances such as good processing technology.The envelop materialses of aerostatics mainly include bearing layer, gas barrier layer, anti-aging layer and adhesive linkage etc.
Several parts, by carrying out suitable selection to lamination composition to reach good combination property.Wherein gas barrier material is capsule
Crucial technology in body material, the permeance property of envelop materialses directly determine aerostatics run time, helium loss and cost.
Helium permeability rate is to characterize the infiltrative important indicator of envelop materialses, with the development of gas barrier layer, some high-performance
The application of barrier material and metal coating, under standard test condition (GB/T1038-2000), the helium permeability of envelop materialses
Rate has had been reduced to below 1L/m2datm, fully meets the index request of aerostatics.In aerostatics utricule process
In, it is main to include cutting, weld, fold, the folding and rubbing to envelop materialses be present, the material using fabric as substrate is being rubbed
When local stress may it is excessive, local microvoid damage is caused, so as to influence the permeability of envelop materialses.Simultaneously as in reality
Aerostatics needs to test and in-flight needs to bear certain internal pressure in, and utricule is in the presence of High Pressure Difference load, capsule
Body surface tension and strain are bigger, and fine and close top layer or the increase of the gap of coating, may cause envelop materialses are actual to ooze originally
Saturating rate is much larger than standard testing value.
The pressure differential method test of material permeability is carried out to choose circular specimen in the presence of a standard atmospheric pressure at present
Test, can not the process of simulation material and the true air pressure of aerostatics during use.Therefore failing to find rubbing
Before affecting laws, envelop materialses permeability and Deformation Law to envelop materialses, the standard testing permeability of envelop materialses is only
Can be as reference, it is impossible to analyze foundation as design.
During the utility model embodiment is realized, utility model people has found oozing for existing aerostatics envelop materialses
The experimental provision and method of permeability test, due to the processing operating mode (cut, weld, folding) of aerostatics, Huo Zhefu can not be simulated
Stress caused by pocket utricule gas pressure loads, cause the infiltration capacity for testing obtained aerostatics envelop materialses inaccurate, Wu Fazuo
To design the foundation of aerostatics.
Utility model content
Technical problem to be solved in the utility model is that the permeability for how solving existing aerostatics envelop materialses is surveyed
The experimental provision and method of examination, due to the processing operating mode (cut, weld, folding) of aerostatics, or aerostatics capsule can not be simulated
Stress caused by body gas pressure loads, cause the infiltration capacity for testing obtained aerostatics envelop materialses inaccurate, design can not be used as
The problem of foundation of aerostatics.
For above technical problem, embodiment of the present utility model provides one kind and is used for aerostatics envelop materialses permeability
The experimental provision of test, including be process by aerostatics envelop materialses to be measured test specimen, anchoring elements, fill exhaust component, pressure
Gap sensor, pulling force sensor, gas storage part and industrial computer；
Wherein, the test specimen is fixed in the anchoring elements by rope, and the pulling force sensor is arranged on the rope
Suo Shang, and be connected with the industrial computer；
Exhaust component is filled described in gas storage part connection, the exhaust component that fills on the test specimen, and with institute
State industrial computer connection；
The pressure difference mouth being arranged on the test specimen connects the differential pressure pickup, and the differential pressure pickup connects the industry control
Machine；
The differential pressure pickup transmits the inside and outside pressure differential of the test specimen of collection to the industrial computer, described
Industrial computer fills exhaust component according to controlling the pressure differential so that the pressure inside the test specimen is preset pressure；It is described
The net buoyancy for the test specimen that industrial computer measures according to the pulling force sensor calculates oozing for the aerostatics envelop materialses to be measured
Penetration.
Alternatively, in addition to display unit；
The display unit is connected between the industrial computer and the pulling force sensor, or is connected to the industrial computer
On, the net buoyancy for pulling force sensor measurement described in real-time display.
Alternatively, in addition to the tab that is arranged on the test specimen, described rope one end is fixed in the tab, another
End is fixed on the pulling force sensor, and the pulling force sensor is fixed in the anchoring elements.
Alternatively, the tab is distributed in the surface of the test specimen, and between each tab and the pulling force sensor
Rope lengths are equal.
Alternatively, the quality of the anchoring elements is more than the maximum of the net buoyancy of the test specimen.
Alternatively, the density of the gas in the gas storage part is less than the density of air.
Embodiment of the present utility model provide a kind of experimental provision for aerostatics envelop materialses testing permeability and
Method, the aerostatics utricule that the device manufactures the processing operating mode using the simulation aerostatics such as cutting, welding and folding are assembled into
Experimental provision, the air pressure in aerostatics utricule is controlled by industrial computer, then floated by the net of aerostatics at different moments of measurement
Power calculates the infiltration capacity for the material for manufacturing the aerostatics utricule.The manufacturing process of the aerostatics utricule of the device to test simulates
The actual processing process of aerostatics envelop materialses, and the air pressure inside aerostatics utricule is kept in experimentation, simulate true
The gas pressure loads that aerostatics envelop materialses are born during use so that the value of net buoyancy for measuring to obtain is true close to aerostatics
Net buoyancy during use, improve the accuracy of the infiltration capacity for the aerostatics envelop materialses that experiment obtains.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the experimental provision for aerostatics envelop materialses testing permeability that the utility model one embodiment provides
Structural representation.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Fig. 1 is the structural representation for the experimental provision for aerostatics envelop materialses testing permeability that the present embodiment provides
Figure.Referring to Fig. 1, test specimen 101 that the experimental provision includes being process by aerostatics envelop materialses to be measured, anchoring elements 102, fill
Exhaust component 103, differential pressure pickup 104, pulling force sensor 105, gas storage part 106 and industrial computer 107；
Wherein, the test specimen 101 is fixed in the anchoring elements 102 by rope 108, the pulling force sensor 105
It is arranged on the rope 108, and is connected with the industrial computer 107；
The gas storage part 106 fills exhaust component 103 described in connecting, and the exhaust component 103 that fills is arranged on the test specimen
On 101, and it is connected with the industrial computer 107；
The pressure difference mouth 110 being arranged on the test specimen 101 connects the differential pressure pickup 104, the differential pressure pickup 104
Connect the industrial computer 107；
The differential pressure pickup 104 transmits the inside and outside pressure differential of the test specimen of collection to the industrial computer
107, the industrial computer 107 fills exhaust component 103 according to controlling the pressure differential so that the pressure inside the test specimen is
Preset pressure；Described in the net buoyancy for the test specimen 101 that the industrial computer 107 measures according to the pulling force sensor 105 calculates
The infiltration capacity of aerostatics envelop materialses to be measured.
Wherein, pulling force sensor is arranged on rope, in order to the pulling force of rope is measured, because the pulling force of rope is
The net buoyancy received for the aerostatics utricule.The present embodiment is not limited the specific installation site of pulling force sensor, as long as
Value of thrust of the rope 108 to test specimen 101 can be measured.Signal be present between pulling force sensor 105 and industrial computer 107
Transmission, it can be connected by signal transmssion line, and then the net buoyancy of transmission measurement or be carried out by wireless signal
Connection by wireless network by the net buoyancy of measurement (for example, being transmitted to industrial computer or being passed the net buoyancy of measurement by bluetooth
Transport to industrial computer), the present embodiment is not particularly limited.
On the other hand, the position that pressure difference mouth 110 gathers as differential pressure data, its connection between differential pressure pickup are
Circuit connects, for example, mechanically deform caused by the compression of pressure difference mouth is changed into electric signal, transmits to differential pressure pickup 104, pressure difference
Sensor 104 calculates the inside and outside pressure differential of test specimen 101 according to the electric signal, and the pressure differential is transmitted to industry control
Machine 107, industrial computer is according to the air pressure outside the pressure differential and current test specimen 101, you can calculates inside test specimen 101
Pressure.Likewise, the transmission of signal between differential pressure pickup 104 and industrial computer 107 be present, it can pass through signal transmssion line
Connection, and then the pressure differential of transmission measurement or be attached by wireless signal (for example, will be surveyed by wireless network
The pressure differential of amount is transmitted to industrial computer or is transmitted the pressure differential of measurement to industrial computer by bluetooth), the present embodiment, which is not done, to be had
Body limits.
Furthermore for industrial computer 107 by filling the air pressure inside the control test specimen 101 of exhaust component 103, filling exhaust component 103 can
To be electronic valve, industrial computer is inflated or put to test specimen 101 according to pressure differential and preset pressure, control electronic valve
Gas.For example, industrial computer 107 calculates the gas inside current test specimen 101 according to the air pressure outside pressure differential and current test specimen 101
Pressure, needs the preset pressure reached inside according to default test specimen 101, regulation fill exhaust component 103 to test specimen 101 inside
It is inflated or deflates so that the air pressure inside test specimen 101 is preset pressure.
Gas storage part 106 can be a storage gas gas tank or it is other storage gas equipment, the He of gas storage part 106
Fill exhaust component 103 (for example, it may be Air inflating and exhausting valve) to connect by pipeline, so that gas is filled with test specimen 101 by pipeline
Portion, or released the gas inside test specimen 101 by pipeline, it is stored in gas storage part 106.
Cutting, weldering will be used by present embodiments providing a kind of experimental provision for aerostatics envelop materialses testing permeability
The aerostatics utricule for the processing operating mode manufacture of simulation aerostatics such as connecing and folding is assembled into experimental provision, is floated by industrial computer control
Air pressure in pocket utricule, then calculated by the net buoyancy of the aerostatics at different moments of measurement and manufacture the aerostatics utricule
The infiltration capacity of material.The manufacturing process of the aerostatics utricule of the device to test simulates the actual processing mistake of aerostatics envelop materialses
Journey, and the air pressure inside aerostatics utricule is kept in experimentation, aerostatics envelop materialses are held during simulating true use
The gas pressure loads received so that the value for the net buoyancy for measuring to obtain improves close to the net buoyancy during the true use of aerostatics
Test the accuracy of the infiltration capacity of obtained aerostatics envelop materialses.
Further, on the basis of above-described embodiment, in addition to display unit；
The display unit is connected between the industrial computer and the pulling force sensor, or is connected to the industrial computer
On, the net buoyancy for pulling force sensor measurement described in real-time display.
Display unit is a display, be capable of real-time display pulling force sensor 105 measure net buoyancy, no matter display part
Part is connected between the industrial computer and the pulling force sensor, is still connected on the industrial computer, itself and other parts it
Between connection can be connected by signal transmssion line or be attached by wireless signal, the present embodiment, which is not done, to be had
Body limits.
Further, on the basis of above-mentioned each embodiment, as shown in figure 1, also including being arranged on the test specimen 101
On tab 109, described one end of rope 108 is fixed in the tab 109, and the other end is fixed on the pulling force sensor 105
On, the pulling force sensor 105 is fixed in the anchoring elements 102.
The setting of tab 109, which facilitates, is fixed on rope 108 on test specimen 101.
Further, on the basis of above-mentioned each embodiment, the tab 109 is distributed in the surface of the test specimen,
And the rope lengths between each tab 109 and the pulling force sensor are equal.
That is, when test specimen 101 floats in the environment, height of the tab 109 apart from ground is equal.Tab 109
This setup ensure that the stress on each rope is uniform, add the service life of rope.
Further, on the basis of above-mentioned each embodiment, the quality of the anchoring elements 102 is more than the test specimen
The maximum of 101 net buoyancy.
Further, on the basis of above-mentioned each embodiment, the density of the gas in the gas storage part 106 is less than
The density of air.
As a kind of more specifically embodiment, the surface of aerostatics envelop materialses test specimen 101, which is provided with, fills exhaust component
(filling/air bleeding valve) and pressure difference mouth, the surface of aerostatics envelop materialses test specimen 101 are reserved with four tabs 109, each tab
109 one section of rope of connection, the rope, the pressure difference mouth are connected with the pulling force sensor, and the pulling force sensor passes through
Rope is connected to aerostatics envelop materialses test specimen lower end, and by data record.
The inside of test specimen 101 has certain volume, is inflatable structure.
Test specimen 101 is shaped as spheroidal or other shapes, as long as the surface area of the character can accurately be calculated i.e.
Can, the present embodiment is not limited to the concrete shape of test specimen 101.
The size of test specimen 101 can be designed as needed, and the present embodiment is not limited the specific size of test specimen 101
System.
Test specimen 101 is process by aerostatics envelop materialses to be measured, and process includes blowing, cutting, welding and folding
Deng.
The anchoring elements, including following any forms：Anchor car, earth anchor, and load-carrying is more than aerostatics envelop materialses
The weight of maximum net buoyancy corresponding to test specimen 101.
The industrial computer 107, is connected with differential pressure pickup, for controlling the floating by the exhaust component 103 that fills
Pressure inside device envelop materialses test specimen 101 keeps it in preset pressure.Meanwhile differential pressure pickup record aerostatics utricule material
Expect the pressure differential with outside experimental enviroment inside test specimen, pulling force sensor records aerostatics envelop materialses corresponding to each time point and tried
The net buoyancy of part.
Can be with real-time monitored net buoyancy data by display unit.
Welding manner, such as docking or overlap joint can also be changed according to the actual requirements during test specimen 101 is manufactured, from
And obtain the aerostatics envelop materialses test specimen 101 under true processing conditions.
In the experimentation, first by the way that aerostatics envelop materialses are processed into the aerostatics capsule with certain filled volume
Body material test specimen 101, simulate the actual processing process of aerostatics envelop materialses.It is a certain amount of by will be filled with inside test specimen 101
Helium its pressure is maintained at preset pressure, simulate aerostatics envelop materialses are born in true use air pressure inside and carry
Lotus.By setting differential pressure pickup and pulling force sensor, inside the whole-process automatic data that have recorded test specimen net buoyancy and test specimen with
The pressure differential of outside experimental enviroment.The processing operating mode (blowing, cutting, welding) and aerostatics utricule gas of aerostatics are simulated simultaneously
Stress caused by compressive load, more accurately simulate infiltration situation of the aerostatics envelop materialses under true use condition.
Specifically, it is as follows as a kind of specific experimentation, the manufacturing process of its test specimen：By aerostatics utricule to be measured
Material is processed into the aerostatics envelop materialses test specimen for the inflatable structure that surface area is S by techniques such as blowing, cutting, welding.
Certainly, the Specimen Shape is spheroidal, can accurately calculate the shape of surface area.The test specimen can change shape according to the actual requirements
Shape, can be the shape that other can accurately calculate surface area, to obtain the aerostatics envelop materialses test specimen of different profiles.Enter
One step, the test specimen process can change welding manner, such as docking or overlap joint according to the actual requirements, true so as to obtain
Aerostatics envelop materialses test specimen under processing conditions.
Secondly, the aerostatics envelop materialses test specimen manufactured by the above method is being anchored full of helium (He) rear-mounted
On part, to control the pressure inside aerostatics envelop materialses test specimen to be maintained at setting value P (default by filling exhaust component for industrial computer
Pressure).Wherein, the data of differential pressure pickup are recorded by the industrial computer, and by industrial computer real time data, exhaust portion is filled in control
Part is so as to controlling the pressure value inside test specimen.
Finally, industrial computer records the net buoyancy and aerostatics capsule of aerostatics envelop materialses test specimen corresponding to each time point in real time
The inside and outside pressure differential of body material test specimen, according to industrial computer data access time t1Net buoyancy data F1, time t2It is net
Buoyancy data F2, the permeability (being represented with infiltration capacity a) of the aerostatics envelop materialses is calculated by following equation.
Wherein, ρ0For the density of the air outside the test specimen, ρ1For the density of the helium inside the test specimen, S is described
The surface area of test specimen.
Tested aerostatics envelop materialses are processed into certain volume, are provided with and fill by the experimental method that the present embodiment provides
The aerostatics envelop materialses test specimen of exhaust component and pressure difference mouth.The aerostatics envelop materialses test specimen fills helium, is passed by pressure difference
Sensor controls the internal pressure of test specimen (for example, test specimen is ball shape) in preset pressure to simulate aerostatics in true use
The air pressure inside load that envelop materialses are born.The test specimen is suspended on the anchoring elements by rope, and pulling force sensor leads to
Cross rope and be connected to aerostatics envelop materialses test specimen lower end.Differential pressure pickup and the data of pulling force sensor collection are by industrial computer
Whole-process automatic record, and the net buoyancy that display unit can be observed with real-time display.In this way, this method and experimental rig will be by that will float
Pocket envelop materialses test specimen inflatable structure reaches the loss of certain interior pressure record net buoyancy, so as to calculate helium permeability
Rate, the processing operating mode of aerostatics can either be simulated, and can enough simulates stress of the aerostatics utricule gas pressure loads to envelop materialses, accurate
True tests permeability of the aerostatics envelop materialses under true service condition.
The embodiments such as electronic equipment described above are only schematical, illustrate wherein described as separating component
Unit can be or may not be physically separate, can be as the part that unit is shown or may not be thing
Manage unit, you can with positioned at a place, or can also be distributed on multiple NEs.It can select according to the actual needs
Some or all of module therein is selected to realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying wound
In the case of the work for the property made, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Make to cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：Various embodiments above only to illustrate the technical scheme of embodiment of the present utility model, and
It is non-that it is limited；Although embodiment of the present utility model is described in detail with reference to foregoing embodiments, this area
Those of ordinary skill should be understood：It can still modify to the technical scheme described in foregoing embodiments, or right
Which part or all technical characteristic carry out equivalent substitution；And these modifications or replacement, do not make appropriate technical solution
Essence departs from the scope of each embodiment technical scheme of embodiment of the present utility model.
Claims (6)
1. a kind of experimental provision for aerostatics envelop materialses testing permeability, it is characterised in that including by aerostatics to be measured
Test specimen that envelop materialses are process, anchoring elements, fill exhaust component, differential pressure pickup, pulling force sensor, gas storage part and work
Control machine；
Wherein, the test specimen is fixed in the anchoring elements by rope, and the pulling force sensor is arranged on the rope,
And it is connected with the industrial computer；
Exhaust component is filled described in gas storage part connection, the exhaust component that fills on the test specimen, and with the work
Control machine connects；
The pressure difference mouth being arranged on the test specimen connects the differential pressure pickup, and the differential pressure pickup connects the industrial computer；
The differential pressure pickup transmits the inside and outside pressure differential of the test specimen of collection to the industrial computer, the industry control
Machine fills exhaust component according to controlling the pressure differential so that the pressure inside the test specimen is preset pressure；The industry control
The net buoyancy for the test specimen that machine measures according to the pulling force sensor calculates the infiltration capacity of the aerostatics envelop materialses to be measured.
2. according to the experimental provision described in claim 1, it is characterised in that also including display unit；
The display unit is connected between the industrial computer and the pulling force sensor, or is connected on the industrial computer,
The net buoyancy measured for pulling force sensor described in real-time display.
3. according to the experimental provision described in claim 1, it is characterised in that also include the tab being arranged on the test specimen,
Described rope one end is fixed in the tab, and the other end is fixed on the pulling force sensor, and the pulling force sensor is fixed
In the anchoring elements.
4. according to the experimental provision described in claim 3, it is characterised in that the tab is distributed in the surface of the test specimen,
And the rope lengths between each tab and the pulling force sensor are equal.
5. according to the experimental provision described in claim 1, it is characterised in that the quality of the anchoring elements is more than the test specimen
Net buoyancy maximum.
6. experimental provision according to any one of claim 1 to 5, it is characterised in that the gas in the gas storage part
Density be less than air density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506247.XU CN206906202U (en) | 2017-05-08 | 2017-05-08 | A kind of experimental provision for aerostatics envelop materialses testing permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720506247.XU CN206906202U (en) | 2017-05-08 | 2017-05-08 | A kind of experimental provision for aerostatics envelop materialses testing permeability |
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| CN206906202U true CN206906202U (en) | 2018-01-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101927A (en) * | 2017-05-08 | 2017-08-29 | 中国科学院光电研究院 | A kind of experimental provision and method for aerostatics envelop materialses testing permeability |
| CN110361187A (en) * | 2019-08-21 | 2019-10-22 | 合肥工业大学 | A kind of flexible structure test pneumatic load test device |
-
2017
- 2017-05-08 CN CN201720506247.XU patent/CN206906202U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101927A (en) * | 2017-05-08 | 2017-08-29 | 中国科学院光电研究院 | A kind of experimental provision and method for aerostatics envelop materialses testing permeability |
| CN107101927B (en) * | 2017-05-08 | 2024-03-22 | 中国科学院光电研究院 | Experimental device and method for permeability test of aerostat capsule material |
| CN110361187A (en) * | 2019-08-21 | 2019-10-22 | 合肥工业大学 | A kind of flexible structure test pneumatic load test device |
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