CN103296420A - Manufacturing method for metamaterial antenna housing - Google Patents
Manufacturing method for metamaterial antenna housing Download PDFInfo
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- CN103296420A CN103296420A CN2012100537633A CN201210053763A CN103296420A CN 103296420 A CN103296420 A CN 103296420A CN 2012100537633 A CN2012100537633 A CN 2012100537633A CN 201210053763 A CN201210053763 A CN 201210053763A CN 103296420 A CN103296420 A CN 103296420A
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Abstract
The invention relates to a manufacturing method for a metamaterial antenna housing. The manufacturing method for the metamaterial antenna housing comprises the following of steps a, manufacturing a flexible thin metamaterial membrane provided with a plurality of artificial microstructures, b, manufacturing a die, wherein the die comprises a female die and a male die, the female die and the male die are mutually separated and can carry out relative movement to be combined in a closed mode, a concave cavity is formed by the female die, and a mold core which can be placed into the concave cavity is arranged on the male die in a protruding mode, c, placing the flexible thin metamaterial membrane in the concave cavity, attaching the flexible thin metamaterial membrane to the cavity wall, d, carrying out die assembly, placing the mold core of the male die into the concave cavity of the female die to form a die cavity, injecting a molten resin solution into the die cavity, and e, carrying out die disassembly after the resin solution is cooled and solidifies, and obtaining the metamaterial antenna housing which is provided with the artificial microstructures and is identical with the die cavity in shape. According to the manufacturing method for the metamaterial antenna housing, die cavities with different shapes can be manufactured to obtain various needed metamaterial antenna housings, and the artificial microstructures can be well arranged on the metamaterial antenna housing in a conformal mode.
Description
Technical field
The present invention relates to radome, more particularly, relate to a kind of manufacture method of radome.
Background technology
Radome has obtained using widely, and along with the development of using each side, electric property and the mechanical property of radome has been had higher requirement as a kind of protector of antenna now.Aspect electric property, at present adopt as dielectric constant such as fiberglass and the loss material that all lower and mechanical strength is high of people made radome more, but the electric property of the radome of being made by these materials is relatively poor.And super material is studied personnel's concern gradually and is used for making radome as a kind of novel electromagnetic wave transparent material.
Super material is a kind of artificial composite structure material with the not available extraordinary physical property of natural material.Current, people periodically arrange the artificial micro-structural with certain geometrical shape and form super material on medium substrate.Owing to can utilize the geometry of artificial micro-structural and size and arrangement mode to change dielectric constant and/or the magnetic permeability of super material space each point, make it produce the electromagnetic response of expection, with the control electromagnetic wave propagation, as seen, the radome of being made by super material can have good electric property.But, because existing super material is continued to use the technology preparation of PCB more, only be applicable to the super material that processing is dull and stereotyped, and because radome need be made different shape for various purposes, can't realize with existing processes.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of method of making the super material radome of different shape as required is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of manufacture method of super material radome, and described manufacture method may further comprise the steps:
A. make a super material film of flexibility with a plurality of artificial micro-structurals;
B. make a mould, described mould comprises and is separated from each other and relative motion can takes place and closed die and punch that described die forms a cavity, and described punch is convexly equipped with a core that can place in the described cavity;
C. place the super material film of described flexibility in the described cavity and fit on the wall of chamber;
D. matched moulds allows the core of described punch place in the cavity of described die and forms a die cavity and inject the resin solution of fusion in the described die cavity;
E. treat die sinking behind the resin solution cooling curing, namely get one and have described a plurality of artificial micro-structural and the shape super material radome identical with described die cavity.
Preferably, the super material film of described flexibility comprises the film substrate of being made by high molecular polymer, and described a plurality of artificial micro-structurals are formed on the described film substrate by the mode of printing.
Preferably, the vitrification point that is higher than resin solution for the vitrification point of the high molecular polymer of making described film substrate.
Preferably, be selected from polyimides, polytetrafluoroethylene, PETG, Merlon, polyethylene, polypropylene and polyvinyl chloride at least a for the high molecular polymer of making described film substrate.
Preferably, described resin solution is to be selected from least a in polyethylene, polypropylene, polyvinyl chloride, acrylonitrile-styrene-butadiene copolymer, PETG, polystyrene, Merlon, polyformaldehyde, polymethyl methacrylate, epoxy resin, phenolic resins and the unsaturated polyester (UP).
Preferably, offer the sprue gate that is communicated with extraneous and described die cavity on the described core, described resin solution enters described die cavity by described sprue gate.
Preferably, offer the pore that is communicated with the external world on the chamber wall of described cavity, in described step c, the air that aspirates between the super material film of described flexibility and the described cavity by described pore fits on the chamber wall of described cavity the super material film of described flexibility.
Preferably, in described step c, the super material film of described flexibility heated make it aspirate air between the super material film of described flexibility and the described cavity after softening.
Preferably, in described step e, armor coated on the surface of described super material radome.
Preferably, in described step e, go to surplus limit to handle to described super material radome.
The manufacture method of super material radome of the present invention has following beneficial effect: by making the super material radome that difform die cavity makes different shape as required, and can allow artificial micro-structural conformal on super material radome well.
Description of drawings
The invention will be further described below in conjunction with the drawings and the specific embodiments.
Fig. 1 is the flow chart of preferred embodiments of the manufacture method of super material radome of the present invention;
Fig. 2 is the floor map of utilizing the super material film of partially flexible that the manufacture method of super material radome of the present invention makes;
Fig. 3 is the mould that utilizes the manufacture method of super material radome of the present invention the to make three-dimensional structure diagram when opening, and the super material film of wherein said flexibility is positioned over the cavity top of described mould;
Fig. 4 is similar to Fig. 3, and the super material film of wherein said flexibility fits on the cavity chamber wall of described mould;
Fig. 5 is the assembly drawing of Fig. 4, and wherein resin solution enters die cavity via the sprue gate;
Fig. 6 is the injection moulding process figure when utilizing manufacture method of the present invention to make the super material radome of a hollow cylindrical;
Fig. 7 is the stereogram of the super material radome of hollow cylindrical that makes via the Shooting Technique among Fig. 6.
The name of each label correspondence is called among the figure:
10,50 surpass material radome, 20,70 flexible super material films, 22 film substrates, 24,74 artificial micro-structurals, 26 surpass material cell, 30,60 moulds, 32,62 dies, 33,63 cavitys, 34,64 pores, 35,65 vacuum extractors, 36,66 punch, 37,67 cores, 38,68 sprue gates, 39,69 die cavitys, 40,80 resin solutions
Embodiment
To shown in Figure 5, be a preferred embodiments of the manufacture method of the super material radome of the present invention as Fig. 1.Described preferred embodiments may further comprise the steps:
A. make a super material film 20 of flexibility with a plurality of artificial micro-structurals 24.
B. make a mould 30, described mould 30 comprises and is separated from each other and relative motion can takes place and closed die 32 and punch 36 that described die 32 forms a cavity 33, and described punch 36 is convexly equipped with a core 37 that can place in the described cavity 33.
C. the super material film 20 of described flexibility is placed in the described cavity 33 and fit on the wall of chamber.
D. matched moulds allows the core 37 of described punch 36 place in the cavity 33 of described die 32 and forms a die cavity 39 and inject the resin solutions 40 of fusions in the described die cavity 39.
E. treat die sinking behind resin solution 40 cooling curings, namely get one and have the identical super material radome 10 of described a plurality of artificial micro-structural 24 and shape and described die cavity 39.
Compared to existing technology, the manufacture method of the super material radome of the present invention can be as required by making the super material radome 10 that difform die cavity 39 makes different shape, also can allow artificial micro-structural 24 conformal on described super material radome 10 well, and utilized in-mold forming process, can allow injection mo(u)lding with adhere to artificial micro-structural 24 and once finish the working (machining) efficiency height.In addition, because the super material film 20 of described flexibility takes shape on the described super material radome 10 integratedly, the structural integrity of the super material radome 10 that makes is good, has the good mechanical performance.
Below described preferred embodiments is elaborated: in described step a, the super material film 20 of described flexibility comprises film substrate 22 and is attached to a plurality of artificial micro-structural 24 of described film substrate 22, as being positioned at the pattern of the grid that is formed by dotted line among Fig. 2.Described film substrate 20 can be by polyimides (Polyimide, abbreviation PI), polytetrafluoroethylene (Polytetrafluoroethene, abbreviation PTFE), PETG (Polyethylene Terephthalate, abbreviation PET), Merlon (Polycarbonate, abbreviation PC), polyethylene (Polyethylene, abbreviation PE), polypropylene (Polypropylene, be called for short PP) or polyvinyl chloride (Polyvinyl Chloride, be called for short PVC) etc. high molecular polymer make, also can be their mixed product.Generally, described a plurality of artificial micro-structurals 24 all are the plane with certain geometrical shape or stereochemical structures that the line segment by certain-length forms, and are two surface or the arbitrary surfaces relatively that periodically are arranged in described film substrate 22.And when regarding film substrate 22 parts at each artificial micro-structural 24 and place thereof as a super material cell 26, the super material film 20 of described flexibility can be regarded as by a plurality of described super material cell 26 arrays and forms.The physical dimension of each super material cell 26 is relevant with the electromagnetic wavelength that passes described super material radome 10, be 1/10th of electromagnetic wavelength as its physical dimension, physical dimension of the physical dimension of artificial micro-structural 24 and each super material cell 26 is suitable on it.
Specifically when the described artificial micro-structural 24 of design; electromagnetic environment according to the use occasion of described super material radome 10; it mainly is the operating frequency of considering its claimed antenna; use electromagnetic theory, and geometry, size and the arrangement mode of a plurality of artificial micro-structurals 24 as described in designing as CST (by the pure electromagnetic field simulation software of German CST company product) etc. by computer analog software.Generally, we only design geometry and the size of an artificial micro-structural 24, and then are that sample copies the described a plurality of artificial micro-structural 24 that forms array arrangement with it.This shows that the geometry of described a plurality of artificial micro-structurals 24 all is identical with size.But save design time and improve design efficiency like this.Certainly, if not for this purpose, the geometry of described a plurality of artificial micro-structurals 24 and/or size fully can be inequality.
During actual fabrication, print out described a plurality of artificial micro-structural 24 according to geometry, size and the arrangement mode of the described a plurality of artificial micro-structurals 24 that design and by the control of computer program at described film substrate 22, described pattern among Fig. 2 only is an example of described artificial micro-structural 24, is not construed as limiting the invention.Certainly, described a plurality of artificial micro-structural 24 also can be formed on the described film substrate 22 by chemical etching, plating, brill quarter, photoetching, electronics is carved or ion is carved mode.
In described step b, described mould 30 processes described cavity 33 and core 37 by used die processing methods of industry such as the cutting of mould steel warp, electric sparks and makes.Generally, described die 32 is fixed, and described punch 36 relative motions takes place and close described die 32.The chamber wall profile of described cavity 33 is decided according to the geometry of described super material radome 10.Offer the pore 34 that is communicated with the external world on the chamber wall of described cavity 33, the outside of described pore 34 connects a vacuum extractor 35.The edge contour of described core 37 is identical with the chamber wall profile of described cavity 33, but corresponding points of each point and described cavity 33 chamber wall profiles are at intervals on it.Offer on the described core 37 and be communicated with extraneous sprue gate 38.When described punch 36 lumps together with described die 32 (matched moulds), between the edge contour of the chamber of described cavity 33 wall and described core 37, form the die cavity 39 of a pourable solution, formed the geometry of described super material radome 10 by described die cavity 39.
In described step c, utilize conveyer 31 to place the super material film 20 of described flexibility between described die 32 and the punch 36 and be covered on the cavity 33 of described die 32, place the super material film of described flexibility 20 the place aheads so that it is heated a heating plate (not shown), the super material film 20 of described flexibility is softened.At this moment, utilize the air between the described vacuum extractor 35 described cavitys 33 of suction and the super material film 20 of described flexibility, make the super material film 20 of described flexibility enter described cavity 33 and also fit in tightly on its chamber wall.
In described steps d, mobile described punch 36 makes itself and described die 32 closed together, and described core 37 places described cavity 33 interior and form described die cavity 39, at this moment, the resin solution of fusion can be injected in the described die cavity 39 by described sprue gate 38.Described resin solution can be polyethylene (Polyethylene, be called for short PE), polypropylene (Polypropylene, be called for short PP), polyvinyl chloride (Polyvinyl Chloride, be called for short PVC), acrylonitrile-styrene-butadiene copolymer (Acrylonitrile Butadiene Styrene, be called for short ABS), PETG (Polyethylene Terephthalate, be called for short PET), polystyrene (Polystyrene, be called for short PS), Merlon (Polycarbonate, be called for short PC), polyformaldehyde (Polyformaldehyde, be called for short POM), polymethyl methacrylate (Polymethylmethacrylate, be called for short PMMA), epoxy resin (Epoxy Resin, be called for short EP), phenolic resins (Phenolic Resin, be called for short PF) or a kind of or its mixture of unsaturated polyester (UP) materials such as (Unsaturated Polyester Resins are called for short UPR).But the vitrification point of described resin solution is lower than the vitrification point for the high molecular polymer of making described film substrate 22.
In described step e, after injection moulding is finished, allow resin solution cooling curing and form and surpass material radome 10 in described die cavity 39, at this moment, allow described punch 36 leave described die 32 and described mould 30 is opened (die sinking), described super material radome 10 leaves described die 32 with described punch 30, then described super material radome 10 is taken off from described core 37 and get final product (demoulding), have the identical super material radome 10 of described a plurality of artificial micro-structural 24 and shape and described die cavity 39 thereby make one.
At this moment, described super material radome 10 only is an embryo spare, also needs it is carried out surface treatment and goes to surplus limit to handle.As the useful life for super material radome 10 as described in improving; at its surface-coated protective layer; described protective layer can be made by any existing protective coating that is used in the radome surface; generally should have good wave penetrate capability, anti-season, strong adhesion, as polyurethane, fluororesin, fluorocarbon resin etc.The super material radome 10 that final acquisition can directly be used.
Below be that example describes manufacture method of the present invention to make a super material radome 50 that is hollow cylindrical: please refer to Fig. 5 and Fig. 6, make a mould 60, allow the cavity 63 of its die 62 and the core 67 of punch 66 all be cylindric, consistent with the geometry of described super material radome 50, and allow distance between the corresponding points of each point and described cavity 63 chamber wall profiles on the edge contour of described core 67 equal the wall thickness of described super material radome 50; Print a plurality of artificial micro-structurals 74 at a film substrate, thereby make a flexible super material film 70, and the geometry of described a plurality of artificial micro-structurals 74, size and arrangement mode are identical with design, the circular surface that pastes super material microstructure according to described super material radome 50 needs is sheared a circular flexible super material film section consistent with it from the super material film 70 of described flexibility, and it is positioned in the described cavity 63; Utilization is connected in the super material film section of the described circular flexible of vacuum extractor 65 suction in pore 64 outsides of described cavity 63 ground walls and the air between the described cavity 63 ground walls, the super material film of described circular flexible is cut into slices fit in tightly on the described cavity 63 ground walls; Matched moulds, described core 67 enters described cavity 63 and forms described die cavity 69, allows resin solution 80 enter described die cavity 69 via the sprue gate 68 of described core 67; Treat die sinking behind resin solution 80 cooling curings, the goods of injection mo(u)lding are taken out, namely get and have the super material radome 50 of the hollow cylindrical identical with the geometry of described die cavity 69, and the bottom outer surface of the super material radome 50 of described hollow cylindrical pastes the super material film section of described circular flexible.
In addition, can utilize manufacture method of the present invention to make a plurality of small-sized super material radome pieces, be assembled into the large-scale super material radome with conformal shape as requested by these small-sized super material radome pieces again, elegant in appearance, have disguise concurrently.
The above only is some embodiments of the present invention and/or embodiment, should not be construed as limiting the invention.For those skilled in the art, under the prerequisite that does not break away from basic thought of the present invention, can also make some improvements and modifications, the film substrate 22 of flexible super material film 20 can comprise carrier film and printed layers as described, described artificial micro-structural 24 is printed on the described printed layers, when making described super material radome 10 described carrier film is removed, only stay described printed layers; When described mould 30 matched moulds; allow the super material film 20 of partially flexible that fits in the described cavity 33 separate with the super material film band of whole flexibility; in order to constantly supply with the super material film 20 of described flexibility by described transmission device 31; described mould 30 can be continuously shaped, and these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the manufacture method of a super material radome is characterized in that, described manufacture method may further comprise the steps:
A. make a super material film of flexibility with a plurality of artificial micro-structurals;
B. make a mould, described mould comprises and is separated from each other and relative motion can takes place and closed die and punch that described die forms a cavity, and described punch is convexly equipped with a core that can place in the described cavity;
C. place the super material film of described flexibility in the described cavity and fit on the wall of chamber;
D. matched moulds allows the core of described punch place in the cavity of described die and forms a die cavity and inject the resin solution of fusion in the described die cavity;
E. treat die sinking behind the resin solution cooling curing, namely get one and have described a plurality of artificial micro-structural and the shape super material radome identical with described die cavity.
2. the manufacture method of super material radome according to claim 1, it is characterized in that, the super material film of described flexibility comprises the film substrate of being made by high molecular polymer, and described a plurality of artificial micro-structurals are formed on the described film substrate by the mode of printing.
3. the manufacture method of super material radome according to claim 2 is characterized in that, the vitrification point that is used for the high molecular polymer of the described film substrate of making is higher than the vitrification point of resin solution.
4. the manufacture method of super material radome according to claim 3, it is characterized in that the high molecular polymer that is used for the described film substrate of making is be selected from polyimides, polytetrafluoroethylene, PETG, Merlon, polyethylene, polypropylene and polyvinyl chloride at least a.
5. the manufacture method of super material radome according to claim 4, it is characterized in that described resin solution is to be selected from least a in polyethylene, polypropylene, polyvinyl chloride, acrylonitrile-styrene-butadiene copolymer, PETG, polystyrene, Merlon, polyformaldehyde, polymethyl methacrylate, epoxy resin, phenolic resins and the unsaturated polyester (UP).
6. the manufacture method of super material radome according to claim 1 is characterized in that, offers on the described core to be communicated with sprue gate extraneous and described die cavity, and described resin solution enters described die cavity by described sprue gate.
7. the manufacture method of super material radome according to claim 6, it is characterized in that, offer on the chamber wall of described cavity and be communicated with extraneous pore, in described step c, the air that aspirates between the super material film of described flexibility and the described cavity by described pore fits on the chamber wall of described cavity the super material film of described flexibility.
8. the manufacture method of super material radome according to claim 7 is characterized in that, in described step c, the super material film of described flexibility heated makes it aspirate air between the super material film of described flexibility and the described cavity after softening.
9. the manufacture method of super material radome according to claim 1 is characterized in that, and is in described step e, armor coated on the surface of described super material radome.
10. the manufacture method of super material radome according to claim 1 is characterized in that, in described step e, goes to surplus limit to handle to described super material radome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100537633A CN103296420A (en) | 2012-03-02 | 2012-03-02 | Manufacturing method for metamaterial antenna housing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100537633A CN103296420A (en) | 2012-03-02 | 2012-03-02 | Manufacturing method for metamaterial antenna housing |
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| CN103296420A true CN103296420A (en) | 2013-09-11 |
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| CN2012100537633A Pending CN103296420A (en) | 2012-03-02 | 2012-03-02 | Manufacturing method for metamaterial antenna housing |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600433A (en) * | 2013-10-30 | 2015-05-06 | 深圳光启创新技术有限公司 | Metamaterial panel and manufacturing method thereof as well as antenna housing |
| CN106340722A (en) * | 2015-07-10 | 2017-01-18 | 深圳光启尖端技术有限责任公司 | Antenna shell group and manufacturing method thereof |
| CN108274006A (en) * | 2018-02-01 | 2018-07-13 | 深圳市伊比精密科技有限公司 | A kind of technique producing complicated back-off part |
| CN111435764A (en) * | 2020-03-20 | 2020-07-21 | 上海阿莱德实业股份有限公司 | Preparation method of 5G base station antenna housing integrating antenna radiation unit and prepared antenna housing |
| CN111463564A (en) * | 2020-03-05 | 2020-07-28 | 上海阿莱德实业股份有限公司 | Preparation method of plastic antenna oscillator with high coating bonding strength |
| CN112355142A (en) * | 2020-10-19 | 2021-02-12 | 山东大学 | Metamaterial structure unit processing device, equipment and method |
| CN112397891A (en) * | 2020-10-23 | 2021-02-23 | 中国电子科技集团公司第二十九研究所 | Antenna housing integrating polarizer function |
| CN112409696A (en) * | 2020-12-22 | 2021-02-26 | 苏州润佳工程塑料股份有限公司 | Modified plastic for 5G antenna housing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600433A (en) * | 2013-10-30 | 2015-05-06 | 深圳光启创新技术有限公司 | Metamaterial panel and manufacturing method thereof as well as antenna housing |
| CN106340722A (en) * | 2015-07-10 | 2017-01-18 | 深圳光启尖端技术有限责任公司 | Antenna shell group and manufacturing method thereof |
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| CN108274006A (en) * | 2018-02-01 | 2018-07-13 | 深圳市伊比精密科技有限公司 | A kind of technique producing complicated back-off part |
| CN111463564A (en) * | 2020-03-05 | 2020-07-28 | 上海阿莱德实业股份有限公司 | Preparation method of plastic antenna oscillator with high coating bonding strength |
| CN111435764A (en) * | 2020-03-20 | 2020-07-21 | 上海阿莱德实业股份有限公司 | Preparation method of 5G base station antenna housing integrating antenna radiation unit and prepared antenna housing |
| CN111435764B (en) * | 2020-03-20 | 2022-04-15 | 上海阿莱德实业股份有限公司 | Preparation method of 5G base station antenna housing integrating antenna radiation unit and prepared antenna housing |
| CN112355142A (en) * | 2020-10-19 | 2021-02-12 | 山东大学 | Metamaterial structure unit processing device, equipment and method |
| CN112397891A (en) * | 2020-10-23 | 2021-02-23 | 中国电子科技集团公司第二十九研究所 | Antenna housing integrating polarizer function |
| CN112409696A (en) * | 2020-12-22 | 2021-02-26 | 苏州润佳工程塑料股份有限公司 | Modified plastic for 5G antenna housing |
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