CN110487639A - Aerostatics envelop materials tearing strength test device and test method - Google Patents
Aerostatics envelop materials tearing strength test device and test method Download PDFInfo
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- CN110487639A CN110487639A CN201910694242.8A CN201910694242A CN110487639A CN 110487639 A CN110487639 A CN 110487639A CN 201910694242 A CN201910694242 A CN 201910694242A CN 110487639 A CN110487639 A CN 110487639A
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- aerostatics
- envelop materials
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- 239000000463 material Substances 0.000 title claims abstract description 106
- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000010998 test method Methods 0.000 title abstract description 11
- 239000007789 gas Substances 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 239000003570 air Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000001307 helium Substances 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 239000002775 capsule Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to aerostatics tearing strength test fields, provide a kind of aerostatics envelop materials tearing strength test device and test method, the device includes aerostatics utricule test specimen, inflation structure, differential pressure pickup, gas storage component and industrial personal computer, and differential pressure pickup is connected to the second pressure difference mouth of inflation structure；Gas storage component is connected to the second inflating port of inflation structure；Industrial personal computer is separately connected with the differential pressure pickup and gas storage component, collected pressure difference is transmitted to industrial personal computer by differential pressure pickup, industrial personal computer controls the inflation rate of gas storage component according to pressure difference, and the pressure that record aerostatics utricule test specimen is subject in real time, when the opening of aerostatics envelop materials to be measured is torn, which is recorded by industrial personal computer.The present invention can simulate aerostatics envelop materials on aerostatics uniformly by air pressure inside load, torn along the opening direction on aerostatics envelop materials, more accurately measure the tearing strength of aerostatics envelop materials.
Description
Technical field
The present invention relates to aerostatics tearing strength test technical fields, tear more particularly to a kind of aerostatics envelop materials
Strength testing device and test method.
Background technique
Aerostatics is that a kind of utilization is lighter than the gas (hydrogen, helium, hot gas etc.) of air and provides the aircraft of lift, is relied on
The advantages such as its hang time length, energy-saving and environmental protection, economy are widely used in military and civilian field.Aerostatics mainly has dirigible
With two kinds of captive balloon, dirigible is dynamic, can under remote control or automatic control autonomous flight；The typically no dynamical system of captive balloon
System, is connected by tether cable with ground installation or website.
Aerostatics utricule is aerostatics nuclear structure component, it is desirable that aerostatics envelop materials meet high intensity, lightweight, resistance to ring
The performances such as border property is good, tear resistance, low gas permeability and good processing technology.Wherein, tear resistance is selection
One important indicator of aerostatics envelop materials.Presently used central tear method is that the both ends clamping of split oral examination sample carries out
Stretch, be unable to characterize material opening circumferential surface uniform stressed after tearing strength, can not simulation material on aerostatics utricule
Actual conditions.
In consideration of it, stress condition of the aerostatics envelop materials on aerostatics, accurately measure aerostatics can be simulated
Envelop materials tearing strength, the technical issues of becoming current urgent need to resolve.
Summary of the invention
(1) technical problems to be solved
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
The object of the present invention is to provide a kind of aerostatics envelop materials tearing strength test device and test methods, to solve
Existing aerostatics envelop materials tearing strength test device and test method are unable to characterize aerostatics envelop materials opening surrounding table
Tearing strength after the uniform stressed of face, the technology that can not simulate actual conditions of the aerostatics envelop materials on aerostatics utricule are asked
Topic.
(2) technical solution
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of aerostatics envelop materials tearing strength test dress
It sets comprising:
Aerostatics utricule test specimen, including a piece of aerostatics envelop materials to be measured and it is attached at the aerostatics utricule material to be measured
Expect that the bottom liner of side, the aerostatics envelop materials to be measured are equipped with opening, the bottom liner is equipped with the first inflating port and first
Pressure difference mouth；
Inflation structure, the installation space equipped with mounting base and in mounting base, the aerostatics utricule test specimen are mounted on
In the installation space, and the surrounding of the aerostatics utricule test specimen is fixed in mounting base, the institute in the installation space
State aerostatics envelop materials to be measured and the bottom liner form inflatable enclosure space, the mounting base be equipped with the second inflating port and
Second pressure difference mouth, for being connected to the first inflating port, the first pressure difference mouth is used for and the second pressure difference mouth second inflating port
Connection；
Differential pressure pickup is connected to the second pressure difference mouth；
Gas storage component is connected to second inflating port；
Industrial personal computer is separately connected with the differential pressure pickup and gas storage component, and the differential pressure pickup is by collected institute
It states the pressure difference inside and outside enclosure space and is transmitted to the industrial personal computer, the industrial personal computer controls the gas storage component according to pressure difference
Inflation rate, and the pressure that the aerostatics utricule test specimen is subject to is recorded in real time, when opening for the aerostatics envelop materials to be measured
When mouth is torn, which is recorded by the industrial personal computer.
A specific embodiment of the invention, the bottom liner are made of thin-film material, the intensity of the bottom liner be greater than it is described to
Survey the intensity of aerostatics envelop materials.
A specific embodiment of the invention, the mounting base include annulus pedestal and ring flange, the aerostatics utricule examination
The surrounding of part is clipped between the annulus pedestal and ring flange, and is fixed by clamping element.
A specific embodiment of the invention, second inflating port and the second pressure difference mouth interval are divided into the annulus pedestal
Periphery.
A specific embodiment of the invention, the opening is set to the center of the aerostatics envelop materials to be measured, described to open
The length of mouth is 30~34mm.
A specific embodiment of the invention, the gas in the gas storage component is air, helium, nitrogen or oxygen.
A specific embodiment of the invention, the inflation structure further includes bracket, and the mounting base is fixed on the bracket
On.
Another embodiment of the present invention also provides a kind of survey based on above-mentioned aerostatics envelop materials tearing strength test device
Method for testing comprising:
In aerostatics envelop materials upper opening to be measured；
Aerostatics envelop materials to be measured are close together with bottom liner, and are mounted in the installation space of mounting base, gas storage
It is inflated in the enclosure space that component is formed to the aerostatics envelop materials to be measured with the bottom liner by the second inflating port, industry control
The internal and external pressure difference for the enclosure space that machine is detected by differential pressure pickup controls the inflation rate of the gas storage component；
Industrial personal computer records the internal pressure of enclosure space in real time, until the opening of aerostatics envelop materials to be measured is torn
When, record tear strength values at this time.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of aerostatics envelop materials tearing strength test device provided in an embodiment of the present invention and test method, by
Opening is set on aerostatics envelop materials to be measured, and sticks together the installation space for being mounted on mounting base with bottom liner, forms closing
Space, and inflated into enclosure space, the internal and external pressure difference for the enclosure space that industrial personal computer is detected by differential pressure pickup
Control the inflation rate of the gas storage component；Industrial personal computer records the internal pressure of enclosure space in real time, until aerostatics capsule to be measured
When the opening of body material is torn, tear strength values at this time are recorded；So as to simulate aerostatics envelop materials in floating
It is uniformly torn along the opening direction on aerostatics envelop materials, is more accurately measured by air pressure inside load on device
The tearing strength of aerostatics envelop materials out.
Detailed description of the invention
Fig. 1 is a kind of overall schematic of aerostatics envelop materials tearing strength test device of the embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of aerostatics of embodiment of the present invention utricule test specimen；
Fig. 3 is the flow chart of aerostatics of embodiment of the present invention envelop materials tearing strength test method；
In figure: 1: aerostatics utricule test specimen；11: aerostatics envelop materials to be measured；12: opening；13: bottom liner；2: industrial personal computer；
3: inflation structure；31: annulus pedestal；32: ring flange；33: the second inflating ports；34: the second pressure difference mouths；4: differential pressure pickup；5:
Gas storage component.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
It is more than two.
As shown in Figure 1, the embodiment of the invention provides a kind of aerostatics envelop materials tearing strength test device, packet
It includes:
Aerostatics utricule test specimen 1, as shown in Fig. 2, include a piece of aerostatics envelop materials to be measured 11 and be attached at it is described to
Survey the bottom liner 13 of 11 side of aerostatics envelop materials, that is to say, that aerostatics envelop materials 11 to be measured are on aerostatics utricule
A piece of sample, the aerostatics envelop materials 11 to be measured are equipped with opening 12, and the bottom liner 13 is equipped with the first inflating port and the
One pressure difference mouth；
Inflation structure 3, the installation space equipped with mounting base and in mounting base, the aerostatics utricule test specimen 1 are installed
In the installation space, and the surrounding of the aerostatics utricule test specimen 1 is fixed in mounting base, in the installation space
The aerostatics envelop materials to be measured 11 form inflatable enclosure space with the bottom liner 13, and the mounting base is equipped with second and fills
Port 33 and the second pressure difference mouth 34, for being connected to the first inflating port, the first pressure difference mouth is used for second inflating port 33
It is connected to the second pressure difference mouth 34；
Differential pressure pickup 4 is connected to the second pressure difference mouth 34, for detecting the pressure difference inside and outside the second pressure difference mouth 34；
Gas storage component 5 is connected to second inflating port 33, by the second inflating port 33 to aerostatics envelop materials to be measured
Inflation in 11 enclosure spaces formed with bottom liner 13；
Industrial personal computer 2 is separately connected with the differential pressure pickup 4 and gas storage component 5, and the differential pressure pickup 4 will collect
The enclosure space inside and outside pressure difference be transmitted to the industrial personal computer 2, the industrial personal computer 2 controls the gas storage according to pressure difference
The inflation rate of component 5, and the pressure that the aerostatics utricule test specimen 1 is subject to is recorded in real time, when the aerostatics utricule to be measured
When the opening 12 of material 11 is torn, which is recorded by the industrial personal computer 2, as the aerostatics utricule material to be measured
The tear strength values of material 11.
By the way that 11 central opening 12 of aerostatics envelop materials to be measured is produced test test specimen, aerostatics utricule material is simulated
Expect the tearing process being subject in actual use.By the way that bottom liner 13 and aerostatics envelop materials 11 to be measured are mounted on inflation structure
On 3, an inflatable enclosure space is formed, portion is filled with test gas in the enclosed space, and industrial personal computer 2 passes through differential pressure pickup
Pressure inside 4 control enclosure spaces keeps a stable inflation rate, simulates aerostatics envelop materials in each direction
By from internal gas pressure loads, more meet the force-bearing situation in actual use.Envelop materials are measured by industrial personal computer 2
Pressure when upper opening 12 is torn, the i.e. tear strength values of aerostatics envelop materials.
The aerostatics envelop materials tearing strength test device of the present embodiment can simulate aerostatics envelop materials in floating
It is uniformly torn along 12 direction of opening on aerostatics envelop materials, is more accurately surveyed by air pressure inside load on device
Measure the tearing strength of aerostatics envelop materials.
A specific embodiment of the invention, does not limit the ingredient of the bottom liner 13, model, the bottom liner 13
It is made of thin-film material, the intensity of the bottom liner 13 is greater than the intensity of the aerostatics envelop materials 11 to be measured, the bottom liner 13
It is tightly attached to below aerostatics envelop materials 11 to be measured and seals.
A specific embodiment of the invention, the mounting base includes annulus pedestal 31 and ring flange 32, the aerostatics capsule
The surrounding of body test specimen 1 is clipped between the annulus pedestal 31 and ring flange 32, and is fixed by clamping element such as clamping screw.
A specific embodiment of the invention, second inflating port 33 and the second pressure difference mouth 34 interval are divided into the annulus
The periphery of pedestal 31, as shown in Figure 1, the second inflating port 33 and the second pressure difference mouth 34 are set to two of 31 periphery of annulus pedestal on the lower
Side, is convenient for and the gas storage component 5 positioned at the lower section of annulus pedestal 31 and differential pressure pickup 4 connect.
A specific embodiment of the invention, the opening 12 are set to the center of the aerostatics envelop materials 11 to be measured, institute
The length for stating opening 12 is 30~34mm, is particularly preferred as 32mm, and can finely tune according to actual needs.
A specific embodiment of the invention, the gas in the gas storage component 5 can be air, helium, nitrogen or oxygen
Etc. any nontoxic, odorless gas.
A specific embodiment of the invention, for the ease of the installation and fixation of mounting base, the inflation structure 3 further includes branch
Frame (not shown), the mounting base are fixed on the bracket.
As shown in figure 3, another embodiment of the present invention additionally provides one kind based on above-mentioned aerostatics envelop materials tearing strength
The test method of test device, specifically includes:
In 11 upper opening 12 of aerostatics envelop materials to be measured；
It is understood that the opening 12 that length is 32mm is opened at 11 center of aerostatics envelop materials to be measured, and can root
It is finely tuned according to actual demand；
Aerostatics envelop materials 11 to be measured are close together with bottom liner 13, and are mounted in the installation space of mounting base,
Aerostatics envelop materials to be measured 11 and bottom liner 13 in installation space form enclosure space, and gas storage component 5 is filled by second
It is inflated in the enclosure space that port 33 is formed to the aerostatics envelop materials 11 to be measured with the bottom liner 13, industrial personal computer 2 passes through
The internal and external pressure difference for the enclosure space that differential pressure pickup 4 detects controls the inflation rate of the gas storage component 5；
It is understood that the data of the differential pressure pickup 4 are recorded by the industrial personal computer 2, enclosure space is obtained
Real time data；
Industrial personal computer 2 records the internal pressure of enclosure space in real time, until the opening 12 of aerostatics envelop materials 11 to be measured is sent out
When raw tearing, maximum pressure value at this time, the tear strength values of aerostatics envelop materials 11 as to be measured are recorded.
The aerostatics envelop materials tearing strength test method of the present embodiment, utilizes floating described in embodiment illustrated in fig. 1
Device envelop materials tearing strength test device, by the way that 11 central opening 12 of aerostatics envelop materials to be measured is produced test examination
Part simulates the tearing process that aerostatics envelop materials are subject in actual use.By by bottom liner 13 and aerostatics capsule to be measured
Body material 11 is mounted in inflation structure 3, forms an inflatable enclosure space, portion is filled with test gas in the enclosed space
Body, industrial personal computer 2 control the pressure inside enclosure space by differential pressure pickup 4 and keep a stable inflation rate, simulate
Aerostatics envelop materials, by from internal gas pressure loads, more meet the force-bearing situation in actual use in each direction.
By industrial personal computer 2, pressure when envelop materials upper opening 12 is torn, the i.e. tearing strength of aerostatics envelop materials are measured
Value.
The aerostatics envelop materials tearing strength test method of the present embodiment, by simulation aerostatics envelop materials in floating
It is uniformly torn along 12 direction of opening on envelop materials by air pressure inside load on device, measures aerostatics utricule
The tearing strength of material has more accurately obtained tear strength values of the envelop materials on aerostatics under true use condition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of aerostatics envelop materials tearing strength test device characterized by comprising
Aerostatics utricule test specimen, including a piece of aerostatics envelop materials to be measured and it is attached at the aerostatics envelop materials one to be measured
The bottom liner of side, the aerostatics envelop materials to be measured are equipped with opening, and the bottom liner is equipped with the first inflating port and the first pressure difference
Mouthful；
Inflation structure, the installation space equipped with mounting base and in mounting base, the aerostatics utricule test specimen are mounted on described
In installation space, and the surrounding of the aerostatics utricule test specimen is fixed in mounting base, in the installation space described in
It surveys aerostatics envelop materials and the bottom liner forms inflatable enclosure space, the mounting base is equipped with the second inflating port and second
Pressure difference mouth, second inflating port with the first inflating port for being connected to, and the first pressure difference mouth with the second pressure difference mouth for being connected to；
Differential pressure pickup is connected to the second pressure difference mouth；
Gas storage component is connected to second inflating port；
Industrial personal computer is separately connected with the differential pressure pickup and gas storage component, and the differential pressure pickup is by the collected envelope
The pressure difference closed inside and outside space is transmitted to the industrial personal computer, and the industrial personal computer controls the inflation of the gas storage component according to pressure difference
Rate, and the pressure that the aerostatics utricule test specimen is subject to is recorded in real time, when the opening of the aerostatics envelop materials to be measured is sent out
When raw tearing, which is recorded by the industrial personal computer.
2. aerostatics envelop materials tearing strength test device according to claim 1, which is characterized in that the bottom liner by
Thin-film material is made, and the intensity of the bottom liner is greater than the intensity of the aerostatics envelop materials to be measured.
3. aerostatics envelop materials tearing strength test device according to claim 1, which is characterized in that the mounting base
Including annulus pedestal and ring flange, the surrounding of the aerostatics utricule test specimen is clipped between the annulus pedestal and ring flange, and
It is fixed by clamping element.
4. aerostatics envelop materials tearing strength test device according to claim 3, which is characterized in that described second fills
Port and the second pressure difference mouth interval are divided into the periphery of the annulus pedestal.
5. aerostatics envelop materials tearing strength test device according to claim 1, which is characterized in that the opening is set
In the center of the aerostatics envelop materials to be measured, the length of the opening is 30~34mm.
6. aerostatics envelop materials tearing strength test device according to claim 1, which is characterized in that the gas storage portion
Gas in part is air, helium, nitrogen or oxygen.
7. aerostatics envelop materials tearing strength test device according to claim 1, which is characterized in that the inflation knot
Structure further includes bracket, and the mounting base is fixed on the bracket.
8. a kind of test side based on the described in any item aerostatics envelop materials tearing strength test devices of claim 1-7
Method characterized by comprising
In aerostatics envelop materials upper opening to be measured；
Aerostatics envelop materials to be measured are close together with bottom liner, and are mounted in the installation space of mounting base, gas storage component
It is inflated in the enclosure space formed to the aerostatics envelop materials to be measured with the bottom liner by the second inflating port, industrial personal computer is logical
The internal and external pressure difference for the enclosure space that over-voltage gap sensor detects controls the inflation rate of the gas storage component；
Industrial personal computer records the internal pressure of enclosure space in real time, until when the opening of aerostatics envelop materials to be measured is torn,
The tear strength values of record at this time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694242.8A CN110487639A (en) | 2019-07-30 | 2019-07-30 | Aerostatics envelop materials tearing strength test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694242.8A CN110487639A (en) | 2019-07-30 | 2019-07-30 | Aerostatics envelop materials tearing strength test device and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110487639A true CN110487639A (en) | 2019-11-22 |
Family
ID=68548454
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910694242.8A Pending CN110487639A (en) | 2019-07-30 | 2019-07-30 | Aerostatics envelop materials tearing strength test device and test method |
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| CN (1) | CN110487639A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122045A (en) * | 2019-12-19 | 2020-05-08 | 中国科学院光电研究院 | Tethered balloon differential pressure monitoring system |
| CN111238920A (en) * | 2020-02-26 | 2020-06-05 | 中国电子科技集团公司第三十八研究所 | Method for detecting performance of aerostat capsule material |
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