CN204845053U - Utricule materials compound layer and aerostatics - Google Patents
Utricule materials compound layer and aerostatics Download PDFInfo
- Publication number
- CN204845053U CN204845053U CN201520155222.0U CN201520155222U CN204845053U CN 204845053 U CN204845053 U CN 204845053U CN 201520155222 U CN201520155222 U CN 201520155222U CN 204845053 U CN204845053 U CN 204845053U
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- China
- Prior art keywords
- layer
- composite bed
- envelop materials
- materials composite
- rete
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- 239000000463 material Substances 0.000 title claims abstract description 80
- 150000001875 compounds Chemical class 0.000 title abstract 5
- 239000002131 composite material Substances 0.000 claims description 47
- 230000004888 barrier function Effects 0.000 claims description 18
- 239000000835 fiber Substances 0.000 claims description 15
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 6
- 229920006267 polyester film Polymers 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model discloses an utricule materials compound layer and aerostatics. This utricule materials compound layer includes the super material layer as frequency selective surface. The utility model discloses an utricule materials compound layer that includes the super material layer as frequency selective surface to the characteristic that the probability is very low of utilizing super material layer to be detected by radio detection equipment, thus make the utricule of making by utricule materials compound layer have the stealthy function of radar.
Description
Technical field
The utility model relates to field of aerospace technology, in particular to a kind of envelop materials composite bed and aerostatics.
Background technology
Aerostatics or dirigible are that one mainly relies on aerostatic buoyancy (or claim uplift) to overcome the aircraft that self gravitation realizes stagnant sky or flight, its main body be one for filling buoyance lift gas and there is good bubble-tight utricule.Therefore, the performance of aerostatics or dirigible utricule is directly determined to the height of its aerial mission success or failure, load-carrying ability and flight cost.
Envelop materials (also known as skin material) is the primary structural material of utricule, and it plays the effect that helium keeps, provides buoyancy.Envelop materials is generally made up of the polymer composite of high-strength, lightweight and high gas-obstructing character.Such as, publication number is that the Chinese patent of CN102416739A discloses a kind of airship sheath material, and this skin material comprises anti-aging layer, glue-line, tissue layer, basalis, high-obstruction and weld layer.
Along with the development of science and technology, reduction aerostatics or dirigible are become one of future thrust gradually by the probability that radio detector equipment finds.But above-mentioned envelop materials is easy to be detected by radio detector equipment, aerostatics or dirigible is made to be easy to be found by radio detector equipment.For the problems referred to above, also there is no effective solution at present.
Utility model content
The utility model aims to provide a kind of envelop materials composite bed and aerostatics, to reduce the probability that envelop materials composite bed is detected by radio detector equipment.
For this reason, the utility model provides a kind of envelop materials composite bed, and this envelop materials composite bed comprises metamaterial layer.
Further, envelop materials composite bed comprises weathering layer, metamaterial layer, gas barrier layer, supporting course and weld layer.
Further, weathering layer, metamaterial layer, gas barrier layer, supporting course and weld layer are cascading.
Further, metamaterial layer comprises base material rete and is arranged at the conduction geometry on base material rete.
Further, described envelop materials composite bed comprises the weathering layer be cascading, described metamaterial layer, supporting course and weld layer, and described metamaterial layer comprises gas high-barrier polyester film and is formed at the conduction geometry on described high-barrier polyester film surface.
Further, base material rete is PETG rete.
Further, connected by glue-line between neighboring layers in weathering layer, metamaterial layer, gas barrier layer, supporting course and weld layer.
Further, the material of glue-line is polyester or polyurethane.
Further, weathering layer is Kynoar rete or polyvinylidene chloride rete.
Further, gas barrier layer is polyvinyl alcohol rete or PETG rete.
Further, the supporting course composite bed that is high-intensity fiber layer or is composited by high-intensity fiber layer and thermoplastic film layer.
Further, the material of high-intensity fiber layer is polyethylene fibre, aramid fiber or pbo fiber.
Further, weld layer is thermoplastic polyurethane film layer.
The utility model additionally provides a kind of aerostatics, comprises utricule, and described utricule is made by according to envelop materials composite bed as above.
The utility model is by providing a kind of envelop materials composite bed comprising metamaterial layer as frequency-selective surfaces, and the characteristic that the probability utilizing metamaterial layer to be detected by radio detector equipment is very low, thus the utricule be made up of envelop materials composite bed is made to be provided with the function of radar invisible.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the cross-sectional view of the envelop materials composite bed that the utility model embodiment provides.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
It should be noted that used term is only to describe detailed description of the invention here, and be not intended to restricted root according to illustrative embodiments of the present utility model.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to comprise plural form, in addition, it is to be further understood that, " comprise " when using term in this manual and/or " comprising " time, it indicates existing characteristics, step, operation, device, assembly and/or their combination.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described as a device shown in the figure or feature and other devices or feature.Should be understood that, space relative terms is intended to comprise the different azimuth in use or operation except the described in the drawings orientation of device.Such as, " in other devices or structure below " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ".Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... below " two kinds of orientation.This device also can other different modes location (90-degree rotation or be in other orientation), and relatively describe space used here and make respective explanations.
From background technology, existing envelop materials is easy to be detected by radio detector equipment.For the problems referred to above, of the present utility modelly inventors performed large quantity research, propose a kind of envelop materials composite bed.As shown in Figure 1, this envelop materials composite bed comprises the metamaterial layer 20 as frequency-selective surfaces (FSS).The utility model provides a kind of envelop materials composite bed comprising metamaterial layer 20, owing to there is low radar scattering cross section (RCS) as the metamaterial layer 20 of frequency-selective surfaces, the probability that the utricule that envelop materials composite bed is made is detected by radio detector equipment is very low, thus makes the utricule be made up of envelop materials composite bed be provided with the function of radar invisible.
Above-mentioned envelop materials composite bed can also comprise other retes, in a preferred embodiment, envelop materials composite bed comprises weathering layer, metamaterial layer, gas barrier layer, supporting course and weld layer, and the lamination order of each layer can adjust according to the actual requirements.Preferably, weathering layer, metamaterial layer, gas barrier layer, supporting course and weld layer are cascading.The utility model is by providing a kind of envelop materials composite bed comprising weathering layer 10, metamaterial layer 20, gas barrier layer 30, supporting course 40 and the weld layer 50 be cascading, and the characteristic that the probability utilizing the metamaterial layer 20 as frequency-selective surfaces to be detected by radio detector equipment is very low, make the utricule be made up of envelop materials composite bed be provided with the function of radar invisible.
In above-mentioned envelop materials composite bed, metamaterial layer 20 can adopt the Meta Materials as frequency-selective surfaces common in prior art.In a preferred embodiment, metamaterial layer 20 comprises base material rete and is arranged at the conduction geometry on base material rete.Wherein, the material of conduction geometry can be aluminium, copper or silver, and conduction geometry can for the metal wire etc. be arranged in array; Base material rete can be gas high barrier polyester film, as PETG rete (pet layer).Conduction geometry can pass through in base material rete deposit metallic material, is formed after then etching metal material, and as first aluminized at pet layer surface vacuum, and then aluminium film formation conduction geometry is carved in feedback.Certainly, the composition of metamaterial layer 20 is not limited to above-described embodiment.
In above-mentioned envelop materials composite bed, the composition of weathering layer 10, gas barrier layer 30, supporting course 40 and weld layer 50 can set according to actual process demand.Wherein, weathering layer 10 can be polyvinylidene fluoride film layer or polyvinylidene chloride rete, and weathering layer 10 is exposed in high altitude environment, mainly plays uvioresistant, protects inner layer material and prevents the effect of gas leakage.Gas barrier layer 30 can be polyvinyl alcohol film layer or PETG rete.Supporting course 40 can be the composite bed of high-intensity fiber layer or high-intensity fiber layer and thermoplastic film layer, and thermoplastic film layer can play cementation when preheating welded seam closes, and the pin hole produced when can airtightly sew, and then play the effect of choke.The material of high-intensity fiber layer can be polyethylene fibre, aramid fiber or pbo fiber; Weld layer 50 can be thermoplastic polyurethane film layer.
It should be noted that and connected by glue-line between each layer in above-mentioned envelop materials composite bed, namely connected by glue-line between neighboring layers in weathering layer 10, metamaterial layer 20, gas barrier layer 30, supporting course 40 and weld layer 50.The material of glue-line can be polyester or polyurethane etc.In the process making envelop materials composite bed, the mode pressing by hot melt between neighboring layers in weathering layer 10, metamaterial layer 20, gas barrier layer 30, supporting course 40 and weld layer 50 forms.In addition, the thickness of weathering layer 10, metamaterial layer 20, gas barrier layer 30, supporting course 40 and weld layer 50 in above-mentioned envelop materials composite bed also can according to actual process requirements set.Be understandable that, because the base material rete of metamaterial layer 20 itself has choke function, so in actual product, gas barrier layer 30 can omit.
The utility model additionally provides a kind of aerostatics, and this aerostatics is aerostat or the dirigible with utricule, and the shape of aerostat is generally spherical, and utricule is made up of the envelop materials composite bed providing according to the utility model.The envelop materials composite bed provided due to the utility model is minimized by the probability that radio detector equipment detects, thus makes the aerostatics comprising this utricule be provided with the function of radar invisible.
As can be seen from the above embodiments, the above-mentioned example of the utility model achieves following technique effect: the utility model is by providing a kind of envelop materials composite bed comprising metamaterial layer as frequency-selective surfaces, and the characteristic that the probability utilizing metamaterial layer to be detected by radio detector equipment is very low, thus the utricule be made up of envelop materials composite bed is made to be provided with the function of radar invisible.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (12)
1. an envelop materials composite bed, it is characterized in that, described envelop materials composite bed comprises weathering layer (10), metamaterial layer (20), gas barrier layer (30), supporting course (40) and weld layer (50), wherein said metamaterial layer (20) is as frequency-selective surfaces, and described metamaterial layer (20) comprises base material rete and is arranged at the conduction geometry on described base material rete.
2. envelop materials composite bed according to claim 1, it is characterized in that, described weathering layer (10), described metamaterial layer (20), described gas barrier layer (30), described supporting course (40) and described weld layer (50) are cascading.
3. envelop materials composite bed according to claim 1, is characterized in that, described base material rete is gas high-barrier polyester film.
4. envelop materials composite bed according to claim 3, is characterized in that, described base material rete is PETG rete.
5. envelop materials composite bed according to claim 2, it is characterized in that, connected by glue-line between neighboring layers in described weathering layer (10), described metamaterial layer (20), described gas barrier layer (30), described supporting course (40) and described weld layer (50).
6. envelop materials composite bed according to claim 5, is characterized in that, the material of described glue-line is polyester or polyurethane.
7. envelop materials composite bed according to claim 1 and 2, is characterized in that, described weathering layer (10) is Kynoar rete or polyvinylidene chloride rete.
8. envelop materials composite bed according to claim 1 and 2, is characterized in that, described gas barrier layer (30) is polyvinyl alcohol rete or PETG rete.
9. envelop materials composite bed according to claim 1 and 2, is characterized in that, described supporting course (40) is high-intensity fiber layer or the composite bed that is composited by high-intensity fiber layer and thermoplastic film layer.
10. envelop materials composite bed according to claim 9, is characterized in that, the material of described high-intensity fiber layer is polyethylene fibre, aramid fiber or pbo fiber.
11. envelop materials composite beds according to claim 1 and 2, is characterized in that, described weld layer (50) is thermoplastic polyurethane film layer.
12. 1 kinds of aerostatics, comprise utricule, and described utricule is made up of the envelop materials composite bed according to any one of claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520155222.0U CN204845053U (en) | 2015-03-18 | 2015-03-18 | Utricule materials compound layer and aerostatics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520155222.0U CN204845053U (en) | 2015-03-18 | 2015-03-18 | Utricule materials compound layer and aerostatics |
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| Publication Number | Publication Date |
|---|---|
| CN204845053U true CN204845053U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520155222.0U Expired - Fee Related CN204845053U (en) | 2015-03-18 | 2015-03-18 | Utricule materials compound layer and aerostatics |
Country Status (1)
| Country | Link |
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| CN (1) | CN204845053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120742A1 (en) * | 2016-12-29 | 2018-07-05 | 深圳光启空间技术有限公司 | Capsule body material, capsule body, aerostat, and preparation method for capsule body material |
-
2015
- 2015-03-18 CN CN201520155222.0U patent/CN204845053U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120742A1 (en) * | 2016-12-29 | 2018-07-05 | 深圳光启空间技术有限公司 | Capsule body material, capsule body, aerostat, and preparation method for capsule body material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230630 Address after: Room 501, Building D2, Songshan Lake International Innovation and Entrepreneurship Community, Songshan Lake High tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Dongguan Institute of Science and Technology Innovation Address before: 523000 Room 502, 5th floor, building 1, innovation and Technology Park, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: DONGGUAN FRONTIER TECHNOLOGY INSTITUTE Patentee before: SHENZHEN KUANG-CHI SPACE TECH. Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |