CN1564376A - Electromagnetic wave receiving antenna - Google Patents
Electromagnetic wave receiving antenna Download PDFInfo
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- CN1564376A CN1564376A CN 200410014531 CN200410014531A CN1564376A CN 1564376 A CN1564376 A CN 1564376A CN 200410014531 CN200410014531 CN 200410014531 CN 200410014531 A CN200410014531 A CN 200410014531A CN 1564376 A CN1564376 A CN 1564376A
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Abstract
The invention modifies face type of microwave antenna for receiving signal in electromagnetic wave, especially, suitable for satellite receiving antenna on moving carrier. Composite carbon fiber layer and macromolecule organic material layer constitutes face of antenna. Carbon fiber layer is as receiving reflection surface of antenna, and macromolecule organic material layer is as support layer. Advantages and features are: simple manufacture, low cost, good intensity, rigidity, erosion resistance, and lightweight. The invention raises searching and tracking speed 20%-25%.
Description
Technical field
The invention relates to receiving the improvement of electromagnetic wave signal microwave antenna, be particularly useful for doing the mobile vehicle satellite earth antenna.
Background technology
Existing type microwave antenna, for example parabolic antenna is made up of three types of materials usually, and a class is the metallic plate antenna, as the aluminium alloy plate cold stamping commonly used or the parabolic antenna of rotary press modelling; Second class is that skeleton is nonmetal (being generally fiberglass), and reflecting surface is multiple to be formed with metal (film); The 3rd class is that nonmetal basal body contains metallic particles composition reflector.Cold stamping of first kind aluminium alloy plate or rotary press modelling antenna because of there is bounce-back property in metal, can have a rebound after the compression moulding, and system is difficult to control, and antenna molding surface size precision is difficult for guaranteeing, especially as mobile vehicle cutting antenna, the profile retentivity is poorer, influences receptivity.Secondly, metallic plate antenna weight is big (aluminum ratio weighs 2.7), is used for moving carrying (as train, automobile, boats and ships), and because of moment of inertia is big, the servo-actuated tracing property is poor, follows the tracks of fast in being unfavorable for moving, and influences the quick performance of tracking velocity; May produce self-vibration in addition at the volley, be difficult to keep the balance of servomechanism, can not satisfy quick tracer request natural frequency.Second class nonmetallic surface plating/multiple metallic reflector antenna as described in Chinese patent 93104282.8, is made matrix by glass fiber reinforced plastics composite material, reflecting surface thermal spraying metallic aluminium; Chinese patent 92103663.9 is described to constitute parabolic antenna by fiberglass, the laid inside copper mesh; Chinese patent 93238043.3 is described, makes the matrix actinal surface with plastics, the surface by metal and plastics mixed layer coated with metallic reflection face.This type of antenna is for guaranteeing to have enough rigidity and intensity and profile precision, usually need do thicklyer, so weight also relatively large (fiberglass proportion is 2.1-2.75), and because of the fiberglass insufficient rigidity, can produce strain, be unfavorable for accurately guarantor's type of profile, influence the profile precision, usually can only be used for fixing antenna, be difficult to make reception antenna as mobile vehicle; Therefore in addition, fiberglass/plastics are insulator, and electroplating deposition metal difficulty can only sandblast aluminium dust, and aluminium-plated rough surface, can receive signal again to impact; Aluminium-plated besides relative with the nonmetal basal body associativity relatively poor, time length causes layering to peel off easily, reduces reception.The 3rd class is formed the reflector by accompanying metallic particles in the non-metallic layer, as Chinese patent 92109036.6 disclosed iron, aluminium, the copper metal powders that in fiber glass reinforcement, mix 2-10%, this antenna existing problems are big to similar with second class, and metallic particles is formed the reflector, not only be difficult to be evenly distributed, and reflecting surface is coarse, influences reception equally.
The planar antenna signal receiving efficiency, not only relevant with the actinal surface shape, and profile accuracy, reflecting surface roughness etc. are all bigger to the antenna receiving signal influence, especially as the mobile vehicle reception antenna, higher to the requirement of antenna receiving efficiency, therefore guarantee antenna profile precision at the volley, seem and be even more important, reduce reception antenna weight simultaneously,, therefore require further improvement guaranteeing that quick tracking velocity effect is fairly obvious.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, provide a kind of in light weight, structural strength is big, and good rigidity, profile precision especially the profile precision in the motion process keep, and receptivity is good, makes simple electromagnetic wave reception antenna.
The object of the invention realizes that main the improvement is to adopt high-molecular organic materials such as carbon fiber and fiberglass/plastics compound, forms existing good strength and stiffness, and weight is light again, the planar antenna that the profile retentivity is good.Specifically, electromagnetic wave reception antenna of the present invention comprises the curved surface antenna that is the face type, it is characterized in that said curved surface antenna is by carbon fiber layer with the macromolecule organic material layer is compound forms, said carbon fiber layer constitutes antenna and receives reflecting surface, and the macromolecule organic material layer is a supporting layer.
The said carbon fiber layer of the present invention, can be carbon fibre fabric if any latitude or do not have weft knitting and weave cotton cloth, also can be carbon fibre web tire (felt) etc., wherein suitable with woven cloth especially, help moulding making and profile and keep, rigidity might as well.Said macromolecular material supporting layer, can be good weatherability such as fiberglass, high strength plastics, macromolecule and polymer composite that intensity is big, wherein just suitable with glass especially, intensity height not only, and be easy to processing and fabricating, also help the maintenance of carbon fiber layer profile in the manufacture process.Both is compound, can be compound in manufacturing process, also can be with carbon fiber and macromolecule organic material moulding respectively, compound then.Carbon fiber layer has less thickness promptly to have suitable rigidity, so its thickness can be less than supporting layer, determines to help the carbon fiber layer thickness that is fit to reducing cost according to antenna size, and general carbon fiber layer is got 1-5mm, just has sufficient intensity and rigidity.Carbon fiber layer is thin excessively, and will influence antenna profile intensity, rigidity and molding surface size and keep, though the increase of blocked up strength and stiffness, but can increase the antenna cost.In general the antenna breadth is big, and carbon fiber layer is suitable thicker, and breadth is less can be thinner.Set up the reinforcement of protrusion, suitably attenuate antenna thickness by periphery overleaf.
Combined antenna of the present invention can be given full play to intensity, the good rigidity of carbon fiber, and weight is lighter, moulding easily, and the good advantage of typing back guarantor's type, its supporting layer effect mainly is in order to reduce the carbon fiber consumption, to reduce the antenna cost; Select macromolecule organic material to make antenna profile supporting layer, the one, because of it has certain intensity, two can reduce the antenna manufacturing cost, and three manufacturings are also relatively easy.The organic supporting layer of macromolecule, crossing to approach then can increase the antenna cost, and the blocked up weight that can cause again increases, and these all are unwanted, and according to antenna profile size, its thickness has 2-6mm enough.
The present invention further improves antenna profile quality, keep higher fineness of receiving plane and favorable conductive rate, can also be coated with at the carbon fiber reflecting surface and carry metal level or conducting resinl (coating), make it to form brighter and cleaner reflecting surface and have better electric conductivity, to improve received signal quality.Said metal coating can pass through the contour conductive metallic material of plating mode deposited copper; Also can carry metal level such as aluminium powder by being coated with such as the plasma spraying mode, or the like.But it is wherein better with the electro-coppering quality especially.
Electromagnetic wave reception antenna of the present invention, owing to adopt in light weight, intensity, rigidity, plasticity, solidifying character, conductivity, weatherability carbon fiber all good and nonelastic substantially distortion is made antenna and is received profile, therefore only need than minimal thickness, fine strength and stiffness are just arranged, the back side is multiple with the high-molecular organic material supporting layer, especially glass is firm, both have good complementation, the solid type of not only favourable carbon fiber, but also can reduce the antenna manufacturing cost greatly, and weatherability, can be complementary useful life with carbon fiber.Combined antenna of the present invention, not only have make simple, low cost of manufacture, and (carbon fiber proportion 1.4) in light weight, the strength and stiffness height, solidifying character is good, does not have resilience after the moulding substantially, the profile precision keeps, use for a long time indeformable, corrosion resistance.Antenna of the present invention, be particularly useful for mobile vehicle and make reception antenna, not only antenna weight is alleviated greatly, can be over half than the aluminum alloy antenna loss of weight, moment of inertia reduces greatly, and system is fast with the motion tracking reaction, and hysteresis is little, more help quick tracking signal in the motion, can obviously improve search and tracking velocity; And the profile retentivity is good at the volley, and received signal is good, the efficient height.Be coated with a year conductive layer again at carbon fiber surface, antenna receives reflecting surface densification, bright and clean, and the reflect focalization performance is good, can reduce reflection loss, more can improve antenna gain, improve the antenna receptivity, antenna of the present invention is in particular for mobile vehicle, and efficient can improve about 20%～25%.
Below in conjunction with four embodiments, further specify the present invention, but the embodiment antenna pattern not to concrete qualification of the present invention.
Description of drawings
Fig. 1 is the first embodiment cross section sectional structure schematic diagram.
Fig. 2 is the second embodiment vertical view.
Fig. 3 is the 3rd embodiment cross section sectional structure schematic diagram.
Fig. 4 is the 4th embodiment cross section structure schematic diagram.
Embodiment
Embodiment 1: referring to Fig. 1, parabolic antenna constitutes reflecting surface by carbon fiber knit layer of cloth 1, the composite glass fiber reinforced supporting layer 2 in the back side.
Embodiment 2: referring to Fig. 2, and as embodiment 1,0.6 * 0.4M cut-parabolic antenna that train standard parabola is cut into, about thick 4mm, carbon fiber knit layer of cloth by 2mm constitutes reflecting surface, the fiberglass supporting layer of the compound 2mm in the back side, and back side periphery has the reinforcement of protrusion.This antenna weight only is 0.95kg (the heavy 3.0kg of 0.8 * 0.4M incision paraboloid aluminum alloy antenna).
Embodiment 3: referring to Fig. 3, as described above, antenna is by four layers of compound composition, receive reflecting surface and be thin carbon fiber layer 1, the back side is multiple with thin frp layer 2, and the fiberglass outside is lightweight packed layer 3 (as inorganic fillings or organic foaming layer), and outermost layer is a frp layer 4.This structure is mainly used in than the large format antenna, and the filling light layer can reduce carbon fiber and fiberglass thickness, reduces antenna overall weight and cost, and guarantees that the large format antenna has enough strength and stiffness.
Embodiment 4: as described above, antenna carbon fiber reflecting surface plates/scribbles metallic reflectors such as copper or be coated with and is brushed with conducting resinl 5.
Reflecting surface metal coating of the present invention can also adopt other modes to carry again, and carry other metals again, and for example plasma is aluminium-plated; Carbon fiber layer can also adopt net tire or reticulated etc., and these all belong to protection range of the present invention.
Antenna of the present invention is equally applicable to fixedly reception antenna.
Claims (10)
1, a kind of electromagnetic wave reception antenna comprises the curved surface antenna that is the face type, it is characterized in that said curved surface antenna by carbon fiber layer with the macromolecule organic material layer is compound forms, and said carbon fiber layer constitutes antenna and receives reflecting surface, and the macromolecule organic material layer is a supporting layer.
2,, it is characterized in that said carbon fiber layer is a carbon fiber woven cloth according to the described electromagnetic wave reception antenna of claim 1.
3,, it is characterized in that said macromolecule organic material layer is a fiberglass according to claim 1 or 2 described electromagnetic wave reception antennas.
4,, it is characterized in that said carbon fiber bed thickness 1-5mm according to the described electromagnetic wave reception antenna of claim 3.
5, according to the described electromagnetic wave reception antenna of claim 3, it is characterized in that 0.6 * 0.4M cut-parabolic antenna that said antenna is cut into for the standard parabola.
6,, it is characterized in that about the thick about 4mm of said antenna carbon fiber and glass firm thick about half and half according to claim 4 or 5 described electromagnetic wave reception antennas.
7,, it is characterized in that said antenna back side periphery has the reinforcement of protrusion according to the described electromagnetic wave reception antenna of claim 6.
8,, it is characterized in that said carbon fiber reflection receiving plane is coated with to be loaded with metal level or to be coated with conducting resinl according to the described electromagnetic wave reception antenna of claim 3.
9, described according to Claim 8 electromagnetic wave reception antenna is characterized in that said metal level is electro-coppering.
10,, it is characterized in that in the said antenna bed thickness lightweight packed layer being arranged according to the described electromagnetic wave reception antenna of claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014531 CN1564376A (en) | 2004-03-30 | 2004-03-30 | Electromagnetic wave receiving antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014531 CN1564376A (en) | 2004-03-30 | 2004-03-30 | Electromagnetic wave receiving antenna |
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| CN1564376A true CN1564376A (en) | 2005-01-12 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997174A (en) * | 2010-11-30 | 2011-03-30 | 中国科学院国家天文台南京天文光学技术研究所 | Radio telescope light wood core glass steel panel and manufacturing method thereof |
| CN102800988A (en) * | 2012-07-31 | 2012-11-28 | 深圳光启创新技术有限公司 | Metamaterial satellite antenna and satellite receiving system |
| CN102856662A (en) * | 2012-07-31 | 2013-01-02 | 深圳光启创新技术有限公司 | Metamaterial composite substrate and production method, satellite antenna and satellite receiving system |
| CN103560334A (en) * | 2013-11-14 | 2014-02-05 | 哈尔滨工业大学 | Paraboloid and formation method of satellite-borne paraboloid reflecting antenna based on elastic plate with gradually varied thickness |
| CN104125020A (en) * | 2013-04-23 | 2014-10-29 | 宏达国际电子股份有限公司 | Wireless signal searching method and mobile electronic device |
| CN106378986A (en) * | 2016-08-29 | 2017-02-08 | 江西昌兴航空装备股份有限公司 | Metal-based composite material and preparation method thereof |
| CN107863827A (en) * | 2017-12-12 | 2018-03-30 | 江西沃格光电股份有限公司 | Microwave receiving device, microwave charging device, the preparation method of handheld terminal and super surface cap |
| CN107947391A (en) * | 2017-12-12 | 2018-04-20 | 江西沃格光电股份有限公司 | The preparation method of microwave transmission system, device and microwave antenna |
| CN103891042B (en) * | 2011-10-19 | 2018-06-19 | 惠普发展公司，有限责任合伙企业 | The material of beam and signal jam beam is transmitted including signal |
| CN111883902A (en) * | 2020-09-10 | 2020-11-03 | 中车南京浦镇车辆有限公司 | Method and structure for improving rigidity of subway vehicle antenna support |
| CN113036424A (en) * | 2021-02-26 | 2021-06-25 | 广州小马慧行科技有限公司 | Rectifying structure and vehicle |
-
2004
- 2004-03-30 CN CN 200410014531 patent/CN1564376A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997174B (en) * | 2010-11-30 | 2013-07-03 | 中国科学院国家天文台南京天文光学技术研究所 | Radio telescope light wood core glass steel panel and manufacturing method thereof |
| CN101997174A (en) * | 2010-11-30 | 2011-03-30 | 中国科学院国家天文台南京天文光学技术研究所 | Radio telescope light wood core glass steel panel and manufacturing method thereof |
| CN103891042B (en) * | 2011-10-19 | 2018-06-19 | 惠普发展公司，有限责任合伙企业 | The material of beam and signal jam beam is transmitted including signal |
| CN102800988A (en) * | 2012-07-31 | 2012-11-28 | 深圳光启创新技术有限公司 | Metamaterial satellite antenna and satellite receiving system |
| CN102856662A (en) * | 2012-07-31 | 2013-01-02 | 深圳光启创新技术有限公司 | Metamaterial composite substrate and production method, satellite antenna and satellite receiving system |
| CN102800988B (en) * | 2012-07-31 | 2015-02-04 | 深圳光启高等理工研究院 | Metamaterial satellite antenna and satellite receiving system |
| CN102856662B (en) * | 2012-07-31 | 2015-11-25 | 深圳光启高等理工研究院 | Metamaterial composite substrate and preparation method, satellite antenna and satellite receiving system |
| CN104125020B (en) * | 2013-04-23 | 2017-03-01 | 宏达国际电子股份有限公司 | Wireless signal method for searching and electronic apparatus |
| CN104125020A (en) * | 2013-04-23 | 2014-10-29 | 宏达国际电子股份有限公司 | Wireless signal searching method and mobile electronic device |
| CN103560334A (en) * | 2013-11-14 | 2014-02-05 | 哈尔滨工业大学 | Paraboloid and formation method of satellite-borne paraboloid reflecting antenna based on elastic plate with gradually varied thickness |
| CN103560334B (en) * | 2013-11-14 | 2015-03-11 | 哈尔滨工业大学 | Paraboloid and formation method of satellite-borne paraboloid reflecting antenna based on elastic plate with gradually varied thickness |
| CN106378986A (en) * | 2016-08-29 | 2017-02-08 | 江西昌兴航空装备股份有限公司 | Metal-based composite material and preparation method thereof |
| CN107863827A (en) * | 2017-12-12 | 2018-03-30 | 江西沃格光电股份有限公司 | Microwave receiving device, microwave charging device, the preparation method of handheld terminal and super surface cap |
| CN107947391A (en) * | 2017-12-12 | 2018-04-20 | 江西沃格光电股份有限公司 | The preparation method of microwave transmission system, device and microwave antenna |
| CN107863827B (en) * | 2017-12-12 | 2020-11-06 | 江西沃格光电股份有限公司 | Microwave receiving device, microwave charging device, handheld terminal and preparation method of super-surface cover plate |
| CN111883902A (en) * | 2020-09-10 | 2020-11-03 | 中车南京浦镇车辆有限公司 | Method and structure for improving rigidity of subway vehicle antenna support |
| CN113036424A (en) * | 2021-02-26 | 2021-06-25 | 广州小马慧行科技有限公司 | Rectifying structure and vehicle |
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