CN110429382B - Composite antenna housing and preparation method thereof - Google Patents
Composite antenna housing and preparation method thereof Download PDFInfo
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- CN110429382B CN110429382B CN201910714893.9A CN201910714893A CN110429382B CN 110429382 B CN110429382 B CN 110429382B CN 201910714893 A CN201910714893 A CN 201910714893A CN 110429382 B CN110429382 B CN 110429382B
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- wave
- layer
- hollow
- cavity
- aramid fiber
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
Abstract
The invention discloses a composite antenna housing which comprises an aramid fiber honeycomb (1), a wave-transmitting layer (2) positioned in the middle area of the upper surface and the lower surface of the aramid fiber honeycomb, and a wave-impermeable layer positioned in the peripheral area of the upper surface and the lower surface of the aramid fiber honeycomb, wherein a hollow interlayer (3) horizontally penetrating through the wave-transmitting layer is arranged in the middle of the wave-transmitting layer, the wave-impermeable layer comprises a strip-shaped flange (4) laid on the side surface of the aramid fiber honeycomb, the upper end and the lower end of the strip-shaped flange are provided with hollow cavities (5) extending towards the wave-transmitting layer and butted with the wave-transmitting layer, a hollow slide way (5) butted with the hollow interlayer is arranged in the hollow cavities, a slide block (6) capable of horizontally sliding is conformally matched in the hollow slide way. The invention has the advantages of light weight, high strength, corrosion resistance, and the structural design of the wave-opaque layer and the wave-transparent layer, so that the wave-transparent area of the wave-transparent layer can be adjusted to meet the requirements of different wave-transparent areas.
Description
Technical Field
The invention relates to the field of antenna housing preparation, in particular to a composite antenna housing and a preparation method thereof.
Background
A radome is a structure that protects the antenna system from the external environment. The electromagnetic wave shielding material has good electromagnetic wave penetration characteristics on the aspect of electrical performance, and can withstand the action of external severe environment on the aspect of mechanical performance. The traditional radome is generally full-wave-transparent, but the radome is poor in directionality and not suitable for occasions with special requirements, for example, the middle part of the airborne radome needs to be wave-transparent, Chinese patent publication No. CN106976248B discloses an embedded composite material conformal radome, a wave-transparent window (2) adopts an embedded structure with wave-transparent middle part and conductive edge, carbon fiber and glass fiber are compounded and alternately paved, cured and molded, the appearance control of each layer of fiber paving area is realized by cutting fiber cloth according to a paving template, the relative position between each layer of fiber paving area is accurately positioned by a fiber paving and machining integrated tool with a positioning function, and the outer surface of the wave-transparent window (2) is accurately molded by machining the integrated tool; the wave-transparent window (2) is lapped with the inner side of the mounting plate (1) through the peripheral mounting edges, the lapping area (6) is bonded by resin, and is fixedly connected on the mounting plate (1) through countersunk screws (5) penetrating through the peripheral mounting holes of the wave-transparent window (2); and spraying a filtering functional material on the outer surface of the whole antenna housing. However, the size of the wave-transmitting window of the antenna housing is fixed, the wave-transmitting window cannot be adjusted according to needs, wave-transmitting windows with different sizes are required to be manufactured according to the needs of different wave-transmitting areas, and the production cost is high.
Disclosure of Invention
The invention aims to solve the technical problem that the wave-transmitting area of the traditional radome with the wave-transmitting middle part can not be flexibly adjusted, and provides a composite radome and a preparation method thereof.
The technical scheme of the invention is as follows: composite antenna house, it includes the aramid fiber honeycomb, is located the wave-transparent layer of aramid fiber honeycomb upper and lower surface middle zone and is located the wave-opaque layer of aramid fiber honeycomb upper and lower surface peripheral zone, be equipped with the cavity intermediate layer that the level runs through wave-transparent layer in the middle of the wave-transparent layer, wave-opaque layer is including laying the bar flange in aramid fiber honeycomb side, the upper and lower both ends of bar flange have to wave-transparent layer extend and the cavity of butt joint with it, be equipped with the cavity slide with the butt joint of cavity intermediate layer in the cavity, but conformal adaptation is furnished with horizontal slip's slider in the cavity slide, slider one side is connected with wave form carbon fiber strip, and the slider will drive wave form carbon fiber strip and stretch into in the cavity when pouring into to the cavity slide and flowing the medium.
In the scheme, the wave-transmitting layer is a glass fiber plate.
The preparation method of the composite antenna housing comprises the following steps: (1) cutting the aramid fiber honeycombs according to the required size; (2) manufacturing a glass fiber board, and cutting the glass fiber board into required sizes; (3) manufacturing an opaque layer, and cutting the opaque layer into required sizes; (4) laying a glue film on the honeycomb, and then laying a glass fiber board; (5) putting the whole body into a vacuum bag, and performing vacuum infusion, curing and molding; (6) fixedly connecting the strip-shaped flanges of the wave-opaque layer to the side surfaces of the aramid fiber honeycombs, and butting and bonding the hollow cavity and the wave-transparent layer to ensure that the hollow slide way is butted with the hollow interlayer; (7) and injecting gas or liquid into the hollow slideway, so that the sliding block moves towards the wave-transparent layer to drive the waveform carbon fiber strip to stretch into the hollow interlayer, and the wave-transparent area of the wave-transparent layer is changed.
In the scheme, the glass fiber board is made of alkali-free glass fiber cloth and unsaturated polyester resin.
In the scheme, the carbon fiber plate is made of carbon fiber cloth and unsaturated polyester resin.
The invention has the advantages that the glass fiber plate is used as a wave-transmitting material, the carbon fiber strips are used as a wave-opaque material, the dead weight of the radome is reduced, the strength is high, the resistance to corrosion is realized, the wave-transmitting area of the wave-transmitting layer can be adjusted by the structural design of the wave-opaque layer and the wave-transmitting layer, the requirements of different wave-transmitting areas are met, and the production cost is reduced.
Drawings
Fig. 1 is a schematic view of a composite radome of the present invention;
in the figure, the composite material comprises 1 aramid honeycomb, 2 wave-transmitting layers, 3 hollow interlayers, 4 strip-shaped flanges, 5 hollow slideways, 6 sliding blocks, 7 corrugated carbon fiber strips.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments based on the embodiments in the present invention, without any inventive work, will be apparent to those skilled in the art from the following description.
As shown in fig. 1, a composite radome comprises an aramid honeycomb 1, a wave-transmitting layer 2 located in the middle of the upper surface and the lower surface of the aramid honeycomb, and a wave-opaque layer located in the peripheral region of the upper surface and the lower surface of the aramid honeycomb, wherein a hollow interlayer 3 horizontally penetrating through the wave-transmitting layer is arranged in the middle of the wave-transmitting layer, the wave-opaque layer comprises a strip-shaped rib 4 laid on the side surface of the aramid honeycomb, hollow cavities 5 extending towards the wave-transmitting layer and butted with the wave-transmitting layer are arranged at the upper end and the lower end of the strip-shaped rib, hollow slide ways 5 butted with the hollow interlayer are arranged in the hollow cavities, horizontally sliding sliders 6 are fittingly matched in the hollow slide ways, one sides of the sliders are connected with corrugated carbon fiber strips 7, and the sliders drive the corrugated carbon fiber strips to extend into the hollow cavities when media flow into.
As an embodiment of the invention, a through hole with one end communicated with the outside and the other end communicated with the hollow slideway is arranged on the strip-shaped baffle, a baffle block matched with threads can be arranged on the through hole, the baffle block seals the through hole at ordinary times, and when the wave-transmitting area needs to be adjusted, the baffle block can be taken down to inject inert gas or liquid into the through hole to push the slide block to move.
As another embodiment of the invention, the wave-transmitting layer can be a glass fiber board made of alkali-free glass fiber cloth and unsaturated polyester resin. The corrugated carbon fiber strip can be made of carbon fiber cloth and unsaturated polyester resin. Other known wave-transparent and wave-opaque materials may of course be used instead.
The preparation method of the composite antenna housing comprises the following steps: (1) cutting the aramid fiber honeycombs according to the required size; (2) manufacturing a glass fiber board, and cutting the glass fiber board into required sizes; (3) manufacturing an opaque layer, and cutting the opaque layer into required sizes; (4) laying a glue film on the honeycomb, and then laying a glass fiber board; (5) putting the whole body into a vacuum bag, and performing vacuum infusion, curing and molding; (6) fixedly connecting the strip-shaped flanges of the wave-opaque layer to the side surfaces of the aramid fiber honeycombs, and butting and bonding the hollow cavity and the wave-transparent layer to ensure that the hollow slide way is butted with the hollow interlayer; (7) and injecting gas or liquid into the hollow slideway, so that the sliding block moves towards the wave-transparent layer to drive the waveform carbon fiber strip to stretch into the hollow interlayer, and the wave-transparent area of the wave-transparent layer is changed.
Claims (5)
1. Compound antenna house, characterized by: it includes aramid fiber honeycomb (1), is located the wave-transparent layer (2) of aramid fiber honeycomb upper and lower surface middle zone and is located the wave-opaque layer of aramid fiber honeycomb upper and lower surface peripheral zone, be equipped with cavity intermediate layer (3) that the level runs through wave-transparent layer in the middle of the wave-transparent layer, wave-opaque layer is including laying bar flange (4) in aramid fiber honeycomb side, the upper and lower both ends of bar flange have to wave-transparent layer extend and with cavity (5) of butt joint with it, be equipped with in the cavity with cavity intermediate layer butt joint cavity slide (5), but conformal adaptation is furnished with horizontal slip's slider (6) in the cavity slide, slider one side is connected with wave form carbon fiber strip (7), and the slider will drive wave form carbon fiber strip and stretch into in the cavity when moving the medium into the cavity slide.
2. A composite radome of claim 1, wherein: the wave-transparent layer is a glass fiber plate.
3. A method for manufacturing a composite radome according to claim 2, wherein: it comprises the following steps: (1) cutting the aramid fiber honeycombs according to the required size; (2) manufacturing a glass fiber board, and cutting the glass fiber board into required sizes; (3) manufacturing an opaque layer, and cutting the opaque layer into required sizes; (4) laying a glue film on the aramid fiber honeycomb, and then laying a glass fiber board; (5) putting the whole body into a vacuum bag, and performing vacuum infusion, curing and molding; (6) fixedly connecting the strip-shaped flanges of the wave-opaque layer to the side surfaces of the aramid fiber honeycombs, and butting and bonding the hollow cavity and the wave-transparent layer to ensure that the hollow slide way is butted with the hollow interlayer; (7) and injecting gas or liquid into the hollow slideway, so that the sliding block moves towards the wave-transparent layer to drive the waveform carbon fiber strip to stretch into the hollow interlayer, and the wave-transparent area of the wave-transparent layer is changed.
4. A method for manufacturing a composite radome according to claim 3, wherein: the glass fiber board is made of alkali-free glass fiber cloth and unsaturated polyester resin.
5. A method for manufacturing a composite radome according to claim 3, wherein: the corrugated carbon fiber strip is made of carbon fiber cloth and unsaturated polyester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714893.9A CN110429382B (en) | 2019-08-05 | 2019-08-05 | Composite antenna housing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714893.9A CN110429382B (en) | 2019-08-05 | 2019-08-05 | Composite antenna housing and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110429382A CN110429382A (en) | 2019-11-08 |
| CN110429382B true CN110429382B (en) | 2021-01-19 |
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| CN201910714893.9A Active CN110429382B (en) | 2019-08-05 | 2019-08-05 | Composite antenna housing and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103647144A (en) * | 2013-11-29 | 2014-03-19 | 北方通用电子集团有限公司 | A wideband cellular interlayer fiber reinforced plastic antenna cover |
| CN204706634U (en) * | 2015-06-01 | 2015-10-14 | 苏州苏驼通信科技有限公司 | Water tank type antenna cover |
| CN206364169U (en) * | 2016-08-31 | 2017-07-28 | 广东通宇通讯股份有限公司 | A kind of beaming type antenna |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5717410A (en) * | 1994-05-20 | 1998-02-10 | Mitsubishi Denki Kabushiki Kaisha | Omnidirectional slot antenna |
| KR20110094729A (en) * | 2010-02-17 | 2011-08-24 | 엘지전자 주식회사 | Antenna device and mobile terminal having the same |
| US9979078B2 (en) * | 2012-10-25 | 2018-05-22 | Pulse Finland Oy | Modular cell antenna apparatus and methods |
| CN104103898B (en) * | 2014-06-24 | 2016-06-22 | 中国电子科技集团公司第十研究所 | The low RCS antenna house of high wave transparent |
| GB201620121D0 (en) * | 2016-11-28 | 2017-01-11 | Plasma Antennas Ltd | A surface array antenna |
| CN106976248B (en) * | 2017-01-12 | 2019-01-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Embedded type composite material conformal antenna cover |
| CN207800907U (en) * | 2017-12-20 | 2018-08-31 | 京信通信系统（中国）有限公司 | Antenna assembly and its antenna house |
| CN208655901U (en) * | 2018-07-20 | 2019-03-26 | 金展科技（佛山）有限公司 | A kind of radio-frequency identification reader antenna with controllable reading range |
-
2019
- 2019-08-05 CN CN201910714893.9A patent/CN110429382B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647144A (en) * | 2013-11-29 | 2014-03-19 | 北方通用电子集团有限公司 | A wideband cellular interlayer fiber reinforced plastic antenna cover |
| CN204706634U (en) * | 2015-06-01 | 2015-10-14 | 苏州苏驼通信科技有限公司 | Water tank type antenna cover |
| CN206364169U (en) * | 2016-08-31 | 2017-07-28 | 广东通宇通讯股份有限公司 | A kind of beaming type antenna |
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| CN110429382A (en) | 2019-11-08 |
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