CN105784576A - Aerostat envelope material as well as joint natural aging test device and method thereof - Google Patents
Aerostat envelope material as well as joint natural aging test device and method thereof Download PDFInfo
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- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- 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
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Abstract
The invention provides an aerostat envelope material as well as a joint natural aging test device and method thereof. The joint natural aging test device comprises a test rack, at least one aerostat envelope material test piece and a meteorological station, wherein the aerostat envelope material test pieces have internal preset capacities and are suspended inside the test rack; a charge/discharge valve and a pressure difference sensor are mounted on the surface of each aerostat envelope material test piece; a temperature-humidity sensor is mounted inside each aerostat envelope material test piece; the charge/discharge valves, the pressure difference sensors and the temperature-humidity sensors are all connected with the meteorological station; the meteorological station comprises an industrial personal computer; the industrial personal computer is used for keeping pressure inside the aerostat envelope material test pieces within a set range through the charge/discharge valves and the pressure difference sensors. By adoption of the joint natural aging test device, the pressure load to aerostat envelope materials can be simulated, different radiation angles can also be simulated, and moreover natural aging situations of the aerostat envelope material and the joint of the aerostat envelope material in practical use can be accurately simulated.
Description
Technical field
The present invention relates to material natural aging technical field, particularly relate to a kind of aerostatics envelop materials and seam natural ageing test apparatus thereof and method.
Background technology
Aerostatics envelop materials is a kind of macromolecule multilayer materials, in use inevitably it is exposed to or is indirectly exposed in natural environment, under the comprehensive function being subject to the factors such as light, heat, oxygen, water, the performance of material itself and its seam can constantly worsen, and service life is gradually shortened.To ensure wind, the Exposure to Sunlight of the resistance to nature of product, drenching with rain, it is necessary for the test that product is correlated with by the method by natural aging or laboratory accelerated ageing, with inspection with research environment to the influence degree of material and product, understanding Influencing Mechanism, and then environmental effect is proposed safeguard procedures, in order to when researching and developing new material, new product, its production, storage and use procedure are carried out quality control.At present, national and foreign standards tissue has all worked out the relevant criterion of nearly thousand strip material natural agings and artificial accelerated aging method of testing, to investigate the aging of material.
The effect of sample is studied and records various material character result of variations by directly utilizing the factors such as light in natural environment, water, temperature by natural aging, owing to its experimental condition reflects the partial condition in test specimen practical service environment really, so between the result of natural ageing test result and actually used middle generation, concordance is good, dependency is good.This test oneself be recognized be examine all kinds of macromolecular material environmental suitabilities and reliability most important, adopt the earliest, the method that the most truly, is now also used extensively by.The natural aging of test specimen, it is first necessary to where consider the final use environment of product, is desert or the water surface, and the requirement to the outward appearance of product, serviceability etc.；Secondly test specimen must can affect the aging action of test result according to standard of the tanning by the sun suitable outdoor placement location of selection of corresponding suggestion and the weather of locality, environment, pollution etc.；Again, it is necessary to consider the size of test specimen, putting position, towards factors such as the angles with horizontal plane.
Currently, being generally adopted for the natural aging of this kind of macromolecular material of aerostatics envelop materials and tan by the sun without backboard or backboard tans by the sun method, the shape of exemplar is generally planar rectangular.In true use, aerostatics is for keeping shape, in its air bag, the pressure of gas can be higher than external atmospheric pressure, therefore aerostatics envelop materials can bear certain gas pressure loads in true use, the stress that gas pressure loads effect produces can affect the natural aging performance of envelop materials, and current natural aging method disadvantage is to react the effect of this gas pressure loads.Secondly, general aerostatics is body of revolution, in true use, some positions such as abdominal part, left and right empennage lower surface, be constantly in sunlight cannot directly irradiation and be subject to the operating mode of surface irradiation, current aging method not yet considers this kind of operating mode.Again, the natural aging method of the seam that aerostatics envelop materials is processed into corresponding construction is still lacked at present.
In consideration of it, how to provide a kind of can either simulate the gas pressure loads that envelop materials is subject to, the aerostatics envelop materials of the natural aging of different irradiation operating mode and seam natural ageing test apparatus thereof and method can be simulated again, become and be currently needed for solving the technical problem that.
Summary of the invention
For defect of the prior art, the present invention provides a kind of aerostatics envelop materials and seam natural ageing test apparatus thereof and method, the gas pressure loads that envelop materials is subject to can either be simulated, different irradiation operating mode can be simulated again, simulate aerostatics envelop materials and seam thereof more accurately in the true natural aging situation used under environment.
First aspect, the present invention provides a kind of aerostatics envelop materials and seam natural ageing test apparatus thereof, including: test stand, at least one aerostatics envelop materials test specimen and weather station；
Described aerostatics envelop materials test specimen is suspended in described test stand, described weather station is arranged on described test stand and deviates from the side of the sun, the surface of each aerostatics envelop materials test specimen is mounted on filling/air bleeding valve and differential pressure pickup, the inside of each aerostatics envelop materials test specimen is mounted on Temperature Humidity Sensor, described in fill/air bleeding valve, described differential pressure pickup and described Temperature Humidity Sensor be all connected with described weather station.
Alternatively, described weather station, including: industrial computer, rain sensor, wind speed and Temperature Humidity Sensor and irradiatometer；
Described industrial computer, with described rain sensor, described wind speed and Temperature Humidity Sensor, described irradiatometer, described fill/air bleeding valve, described differential pressure pickup and described Temperature Humidity Sensor connect respectively, for filling described in passing through/pressure that controls within described aerostatics envelop materials test specimen of air bleeding valve keeps it in preset range, and the rainfall of the record each time point correspondence experimental enviroment of natural ageing test, wind speed, humiture, solar irradiance and terrestrial surface radiation illumination, and the pressure differential of the humiture within described aerostatics envelop materials test specimen corresponding to each time point and the internal and outside experimental enviroment of described aerostatics envelop materials test specimen.
Alternatively, described weather station, also include: the solaode being connected with described industrial computer and accumulator, the energy of collection by described accumulators store, is thought that described industrial computer is powered by described solaode.
Alternatively, described aerostatics envelop materials test specimen is the body of revolution test specimen with preset volume.
Alternatively, described aerostatics envelop materials test specimen, including following one or more:
Cylinder specimen, elliposoidal test specimen and spheroidal test specimen.
Alternatively, described aerostatics envelop materials test specimen is processed by homogenous material or is processed by the seam connection of different process by multiple material.
Alternatively, the seam of described different process, including: straight seam, T-shaped seam and/or arc-shaped slit.
Alternatively, described test stand, including: support with install test specimen mounting structure on the bracket；
Described aerostatics envelop materials test specimen is suspended in described test stand by described test specimen mounting structure.
Alternatively, described test stand is positioned over different tanning by the sun in environment and different earth's surface radiation environments.
Second aspect, the present invention provides a kind of aerostatics envelop materials based on above-mentioned aerostatics envelop materials and seam natural ageing test apparatus thereof and seam natural ageing test method thereof, including:
Single aerostatics envelop materials is processed into aerostatics envelop materials test specimen or different aerostatics envelop materialses are processed into aerostatics envelop materials test specimen by the seam connection of different process；
It is positioned over different when tanning by the sun environment and different earth's surface radiation environments at test stand, industrial computer by filling/pressure that controls aerostatics envelop materials test specimen within of air bleeding valve keeps it in preset range, and the record rainfall of natural ageing test each time point correspondence experimental enviroment, wind speed, humiture, solar irradiance humiture aerostatics envelop materials test specimen within corresponding with terrestrial surface radiation illumination and each time point and aerostatics envelop materials test specimen is internal and the pressure differential of outside experimental enviroment.
As shown from the above technical solution, the aerostatics envelop materials of the present invention and seam natural ageing test apparatus thereof and method, by simulating the gas pressure loads and different ground surface environments (tanning by the sun environment and earth's surface radiation environment) that in true use environment, envelop materials is subject to simultaneously, simulate aerostatics envelop materials and seam thereof more accurately in the true natural aging situation used under environment.
Accompanying drawing explanation
A kind of aerostatics envelop materials that Fig. 1 provides for one embodiment of the invention and the structural representation of seam natural ageing test apparatus thereof；
A kind of aerostatics envelop materials based on aerostatics envelop materials shown in Fig. 1 and seam natural ageing test apparatus thereof that Fig. 2 provides for one embodiment of the invention and the schematic flow sheet of seam natural ageing test method thereof；
Accompanying drawing labelling:
1, test stand；11, support；12, test specimen mounting structure；2, aerostatics envelop materials test specimen；21, cylinder specimen；22, elliposoidal test specimen；23, spheroidal test specimen；211, straight seam；212, T-shaped seam；213, arc seam；3 ,/air bleeding valve is filled；4, weather station；41, solaode and accumulator；42, rain sensor；43, industrial computer；44, wind speed and Temperature Humidity Sensor；45, irradiatometer；5, differential pressure pickup；6, Temperature Humidity Sensor.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is carried out clear, complete description, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Fig. 1 illustrates the structural representation of a kind of aerostatics envelop materials that one embodiment of the invention provides and seam natural ageing test apparatus thereof, as shown in Figure 1, the aerostatics envelop materials of the present embodiment and seam natural ageing test apparatus thereof, including: test stand 1, at least one aerostatics envelop materials test specimen 2 and weather station 4；
Described aerostatics envelop materials test specimen 2 is suspended in described test stand 1, described weather station 4 is arranged on described test stand 1 and deviates from the side of the sun, the surface of each aerostatics envelop materials test specimen 2 is mounted on filling/air bleeding valve 3 and differential pressure pickup 5, the inside of each aerostatics envelop materials test specimen 2 is mounted on Temperature Humidity Sensor 6, described in fill/air bleeding valve 3, described differential pressure pickup 5 and described Temperature Humidity Sensor 6 be all connected with described weather station 4.
In a particular application, weather station 4 described in the present embodiment, it may include: industrial computer 43, rain sensor 42, wind speed and Temperature Humidity Sensor 44 and irradiatometer 45；
Described industrial computer 43, with described rain sensor 42, described wind speed and Temperature Humidity Sensor 44, described irradiatometer 45, described fill/air bleeding valve 3, described differential pressure pickup 5 and described Temperature Humidity Sensor 6 connect respectively, for filling described in passing through/pressure that controls within described aerostatics envelop materials test specimen 2 of air bleeding valve 3 keeps it in preset range, and the rainfall of the record each time point correspondence experimental enviroment of natural ageing test, wind speed, humiture, solar irradiance and terrestrial surface radiation illumination, and the pressure differential of the humiture within described aerostatics envelop materials test specimen 2 corresponding to each time point and the internal and outside experimental enviroment of described aerostatics envelop materials test specimen 2.
In a particular application, weather station described in the present embodiment, may also include that the solaode and accumulator 41 that are connected with described industrial computer 43, wherein, the energy of collection by described accumulators store, is thought that described industrial computer 43 is powered by described solaode.
In a particular application, described in the present embodiment, aerostatics envelop materials test specimen 2 is the body of revolution test specimen with preset volume, described aerostatics envelop materials test specimen 2, it is possible to include following one or more:
Cylinder specimen 21, elliposoidal test specimen 22 and spheroidal test specimen 23 etc..
It should be noted that the shape of described aerostatics envelop materials test specimen 2 is not limited by the present embodiment, cylinder, elliposoidal, spheroidal or other body of revolution shapes can be designed as according to the actual requirements.
In a particular application, aerostatics envelop materials test specimen 2 described in the present embodiment can be processed (such as welding/bonding etc.) and form or can also be connected processing (such as welding/bonding etc.) by multiple material by the seam of different process and form by homogenous material, the seam of described different process, may include that straight seam 211, T-shaped seam 212 and/or arc seam 213 etc., the test specimen that not only can obtain aerostatics envelop materials body but also the test specimen of the seam that can obtain different process, improve the test scope of test specimen.
Further, aerostatics envelop materials test specimen 2 described in the present embodiment can change seam installation position on described test stand 1 according to the actual requirements, to obtain different environmental conditions, such as irradiance, thus the aerostatics envelop materials test specimen 2 when obtaining varying environment.
In a particular application, test stand 1 described in the present embodiment, including: support 11 be arranged on test specimen mounting structure 12 on described support 11；
Described aerostatics envelop materials test specimen 2 is suspended in described test stand 1 by described test specimen mounting structure 12.
It will be appreciated that test stand 1 described in the present embodiment can change size as required to place multiple aerostatics envelop materials test specimen 2 simultaneously, thus improving the quantity of aerostatics envelop materials test specimen 2.
When using device described in the present embodiment to test, described test stand can be positioned over and different tan by the sun in environment (as indoor, outdoor etc.) and different earth's surface radiation environments (such as sand ground, the water surface, meadow and cement flooring etc.), to simulate the true applying working condition of aerostatics envelop materials.
Will be understood that, test stand is positioned over and different tans by the sun in environment and different earth's surface radiation environments, the aerostatics natural aging when indoor storage can be simulated, the aerostatics Different Ground reflection environment when outdoor anchoring can also be simulated, improve the versatility of test stand, extend the natural aging environmental field of test specimen.
The aerostatics envelop materials of the present embodiment and seam natural ageing test apparatus thereof, by automatically keeping the pre-set pressure range within test specimen, simulate the natural aging situation under internal gas pressure load operative condition when aerostatics envelop materials truly uses；It is possible not only to carry out the natural aging of envelop materials itself, it is also possible to carry out the natural aging of the test specimen of different Joining Technology seam；By arranging weather station, the whole-process automatic environment course that have recorded test specimen experience, it is simple to obtain environmental condition corresponding to follow-up the performance test results；By passing through to be placed in varying environment by described test stand, it is possible to the use environment that simulation aerostatics is different, improve the versatility of test stand, extend the ageing environment scope of test specimen.
The aerostatics envelop materials of the present embodiment and seam natural ageing test apparatus thereof, by simulating the gas pressure loads and different ground surface environments (tanning by the sun environment and earth's surface radiation environment) that in true use environment, envelop materials is subject to simultaneously, simulate aerostatics envelop materials and seam thereof more accurately in the true natural aging situation used under environment.
Fig. 2 illustrates the schematic flow sheet of a kind of aerostatics envelop materials based on aerostatics envelop materials shown in Fig. 1 and seam natural ageing test apparatus thereof that one embodiment of the invention provides and seam natural ageing test method thereof, as in figure 2 it is shown, the aerostatics envelop materials of the present embodiment and seam natural ageing test method thereof are as described below.
101, single aerostatics envelop materials process (such as welding/bonding etc.) is become aerostatics envelop materials test specimen or is connected by the seam of different process by different aerostatics envelop materialses and be processed into aerostatics envelop materials test specimen.
It will be appreciated that aerostatics envelop materials test specimen is suspended in described test stand, described aerostatics envelop materials test specimen is the body of revolution test specimen with preset volume, it is possible to include following one or more: cylinder specimen, elliposoidal test specimen and spheroidal test specimen etc..
Wherein, the test specimen of the seam of described different process, it is possible to including: straight seam, T-shaped seam and/or arc seam etc., the test specimen that not only can obtain aerostatics envelop materials body but also the seam that can obtain different process, improves the test scope of test specimen.
Further, aerostatics envelop materials test specimen 2 described in the present embodiment can change seam installation position on described test stand 1 according to the actual requirements, to obtain different environmental conditions, such as irradiance, thus aerostatics envelop materials test specimen when obtaining varying environment.
It should be noted that when described aerostatics envelop materials test specimen is processed into body of revolution, once can obtain the multiple test specimen under different irradiation operating mode.
102, it is positioned at test stand and different tans by the sun environment (such as indoor, outdoor etc.) and different earth's surface radiation environment (such as sand ground, the water surface, meadow and cement flooring etc.) time, industrial computer by filling/pressure that controls within aerostatics envelop materials test specimen of air bleeding valve keeps it in preset range, and the rainfall of the record each time point correspondence experimental enviroment of natural ageing test, wind speed, humiture, solar irradiance and terrestrial surface radiation illumination, and the pressure differential of the humiture within aerostatics envelop materials test specimen corresponding to each time point and the internal and outside experimental enviroment of aerostatics envelop materials test specimen.
Will be understood that, test stand is positioned over and different tans by the sun in environment and different earth's surface radiation environments, the aerostatics natural aging when indoor storage can be simulated, the aerostatics Different Ground reflection environment when outdoor anchoring can also be simulated, improve the versatility of test stand, extend the natural aging environmental field of test specimen.
It will be appreciated that pass through solar irradiance and the terrestrial surface radiation illumination that step 102 records, can be easy to obtain the accumulation irradiation intensity corresponding to the described aerostatics follow-up the performance test results of envelop materials test specimen.
The aerostatics envelop materials of the present embodiment and seam natural ageing test method thereof, utilize the aerostatics envelop materials described in embodiment illustrated in fig. 1 and seam natural ageing test apparatus thereof, by automatically keeping the pre-set pressure range within test specimen, simulate the natural aging situation under internal gas pressure load operative condition when aerostatics envelop materials truly uses；It is possible not only to carry out the natural aging of envelop materials itself, it is also possible to carry out the natural aging of the test specimen of different Joining Technology seam；By arranging weather station, the whole-process automatic environment course that have recorded test specimen experience, it is simple to obtain environmental condition corresponding to follow-up the performance test results；By passing through to be placed in varying environment by described test stand, it is possible to the use environment that simulation aerostatics is different, improve the versatility of test stand, extend the ageing environment scope of test specimen.
The aerostatics envelop materials of the present embodiment and seam natural ageing test method thereof, by simulating the gas pressure loads and different ground surface environments (tanning by the sun environment and earth's surface radiation environment) that in true use environment, envelop materials is subject to simultaneously, simulate aerostatics envelop materials and seam thereof more accurately in the true natural aging situation used under environment.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of the claims in the present invention.
Claims (10)
1. an aerostatics envelop materials and seam natural ageing test apparatus thereof, it is characterised in that including: test stand, at least one aerostatics envelop materials test specimen and weather station；
Described aerostatics envelop materials test specimen is suspended in described test stand, described weather station is arranged on described test stand and deviates from the side of the sun, the surface of each aerostatics envelop materials test specimen is mounted on filling/air bleeding valve and differential pressure pickup, the inside of each aerostatics envelop materials test specimen is mounted on Temperature Humidity Sensor, described in fill/air bleeding valve, described differential pressure pickup and described Temperature Humidity Sensor be all connected with described weather station.
2. device according to claim 1, it is characterised in that described weather station, including: industrial computer, rain sensor, wind speed and Temperature Humidity Sensor and irradiatometer；
Described industrial computer, with described rain sensor, described wind speed and Temperature Humidity Sensor, described irradiatometer, described fill/air bleeding valve, described differential pressure pickup and described Temperature Humidity Sensor connect respectively, for filling described in passing through/pressure that controls within described aerostatics envelop materials test specimen of air bleeding valve keeps it in preset range, and the rainfall of the record each time point correspondence experimental enviroment of natural ageing test, wind speed, humiture, solar irradiance and terrestrial surface radiation illumination, and the pressure differential of the humiture within described aerostatics envelop materials test specimen corresponding to each time point and the internal and outside experimental enviroment of described aerostatics envelop materials test specimen.
3. device according to claim 2, it is characterised in that described weather station, also includes: the solaode being connected with described industrial computer and accumulator, and the energy of collection by described accumulators store, is thought that described industrial computer is powered by described solaode.
4. device according to claim 1, it is characterised in that described aerostatics envelop materials test specimen is the body of revolution test specimen with preset volume.
5. device according to claim 4, it is characterised in that described aerostatics envelop materials test specimen, including following one or more:
Cylinder specimen, elliposoidal test specimen and spheroidal test specimen.
6. device according to claim 5, it is characterised in that described aerostatics envelop materials test specimen is processed by homogenous material or processed by the seam connection of different process by multiple material.
7. device according to claim 6, it is characterised in that the seam of described different process, including: straight seam, T-shaped seam and/or arc-shaped slit.
8. device according to claim 1, it is characterised in that described test stand, including: support with install test specimen mounting structure on the bracket；
Described aerostatics envelop materials test specimen is suspended in described test stand by described test specimen mounting structure.
9. device according to claim 1, it is characterised in that described test stand is positioned over different tanning by the sun in environment and different earth's surface radiation environments.
10. the aerostatics envelop materials based on aerostatics envelop materials according to any one of claim 1-9 and seam natural ageing test apparatus thereof and seam natural ageing test method thereof, it is characterised in that including:
Single aerostatics envelop materials is processed into aerostatics envelop materials test specimen or different aerostatics envelop materialses are processed into aerostatics envelop materials test specimen by the seam connection of different process；
It is positioned over different when tanning by the sun environment and different earth's surface radiation environments at test stand, industrial computer by filling/pressure that controls aerostatics envelop materials test specimen within of air bleeding valve keeps it in preset range, and the record rainfall of natural ageing test each time point correspondence experimental enviroment, wind speed, humiture, solar irradiance humiture aerostatics envelop materials test specimen within corresponding with terrestrial surface radiation illumination and each time point and aerostatics envelop materials test specimen is internal and the pressure differential of outside experimental enviroment.
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| CN109515744A (en) * | 2018-11-02 | 2019-03-26 | 合肥工业大学 | Contracting is than aerostatics experimental rig under a kind of complex environment |
| CN110320114A (en) * | 2019-06-18 | 2019-10-11 | 中国科学院光电研究院 | A kind of impact strength test macro and its impact strength test method |
| CN110487639A (en) * | 2019-07-30 | 2019-11-22 | 中国科学院光电研究院 | Aerostatics envelop materials tearing strength test device and test method |
| CN112782062A (en) * | 2020-12-30 | 2021-05-11 | 中国科学院长春应用化学研究所 | Aerostatics utricule material integrated environment simulation test system |
| CN116499957A (en) * | 2023-05-22 | 2023-07-28 | 西南交通大学 | Experimental device for simulating bridge under combined action of wind and sunlight |
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