CN208433525U - A kind of high-performance blister towards high-speed cruising carrier satellite communication system - Google Patents
A kind of high-performance blister towards high-speed cruising carrier satellite communication system Download PDFInfo
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- CN208433525U CN208433525U CN201820969469.XU CN201820969469U CN208433525U CN 208433525 U CN208433525 U CN 208433525U CN 201820969469 U CN201820969469 U CN 201820969469U CN 208433525 U CN208433525 U CN 208433525U
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- satellite communication
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- antenna
- antenna house
- communication system
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Abstract
The utility model discloses a kind of high-performance blisters towards high-speed cruising carrier satellite communication system, the antenna house is height and the ratio between anterior-posterior length symmetrical class ellipse low section structure for 1:100~1:5 and all around, including the cover and mounting base being detachably connected, cover has flat top surface, preceding round and smooth cambered surface, rear round and smooth cambered surface, left side elevational and right side facade, flat top surface is the wave transparent region of antenna house, which uses smooth surface transition with the junction of left side elevational and right side facade.The wave transparent region of cover uses the sandwich of gradient thickness.The antenna house of the utility model has outstanding aerodynamic configuration, forced area can be reduced significantly, reduce windage, effectively promote the pneumatic property of antenna system entirety, and its wave transparent region uses thickness design, the wave transmission rate in antenna scanning angular region is greatly improved, suitable for the working environment of the high speeds operation carrier such as motor-car, meets the work characteristics of satellite communication wide angle scanning, high wave transparent.
Description
Technical field
The utility model belongs to microwave antenna art field, and in particular to one kind is towards high-speed cruising carrier satellite communication system
The high-performance blister of system.
Background technique
The major function of traditional antenna cover is to protect antenna and internal structure from environmental factors such as travel fatigue, sleet, salt fogs
It invades and harasses.Antenna house must also have the transfer function of high wave transmission rate to meet the emission requirements of antenna element simultaneously.In low-frequency range
Satellite communication frequency range such as L, S, C frequency range etc., the wave transparent and loss characteristic of antenna house are small by Effect of Materials, and design method is simple, no
Need special designing that can meet the requirements.In high frequency satellite communication frequency range, such as K, Ku, Ka frequency range, intensity, the electrical property of antenna house
It can be influenced by structural material big, need to carry out requirement of the special designing to meet satellite communication.
The features such as satellite communication has communication distance remote, wide coverage.Ground satellite communication terminal different zones into
When row satellite communication, incidence angle variation range is up to 70 °.Thus satellite communication antena cover needs high thoroughly with large angle incidence
The characteristic of wave.
For high-speed cruising carrier, the structure of antenna house is needed with low section and fairshaped characteristic, to reduce windage.
The electrical property of high wave transmission rate when combining satellite communication antena large angle incidence.
Summary of the invention
In view of the above technical problems, the purpose of this utility model is to provide one kind towards high-speed cruising carrier satellite communication
The high-performance blister of system.The antenna house provides safeguard for satellite communication, have simple structure and convenient processing, it is at low cost, set
Flexible feature is counted, and section is low, pneumatic property is good, windage is low, the electromagnetic property with high wave transparent within the scope of wide angle scanning is fitted
The working environment for answering the high speeds operation carrier such as high-speed rail, motor-car meets the work characteristics of satellite communication wide angle scanning, high wave transparent.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of high-performance blister towards high-speed cruising carrier satellite communication system, the antenna house are height and front and back
Length ratio is (1:100)~(1:5) and front and back is symmetrical, symmetrical low section structure, including flat top surface 1, preceding round and smooth
Cambered surface 2, rear round and smooth cambered surface 3, left side elevational 4 and right side facade 5, the flat top surface 1 are the wave transparent regions of antenna house, this is smooth
Top surface 1 and the junction of left side elevational 4 and right side facade 5 use smooth surface transition.
According to some specific embodiments of the utility model, the above-mentioned high-performance towards high-speed cruising carrier satellite communication system
Antenna house horizontal profile is class ellipse.
Left side elevational 4 and right side facade 5 can be the vertical plane perpendicular to mounting base 7, be also possible to and mounting base 7
Inclined-plane with certain angle.For beauty, the decorating structures such as camber line can also be arranged on two facades.
Compared with existing antenna house, the utility model has done following improvement in terms of the aerodynamic characteristic for promoting antenna house: adopting
With the symmetrical cover structure in front and back, meet high-speed cruising carrier, such as the two-way split job requirement of high-speed rail motor-car；By antenna house
Whole design is ultralow cross-section structure, and dome top surface is designed as smooth appearance profile, and the left and right sides is symmetrical and by surface blending
To facade, front-back uses the grading structure of round and smooth cambered surface, streamlined good, reduces antenna house in all directions in the horizontal direction
Forced area, reduces windage, and aerodynamic characteristic is excellent.
Further, the above-mentioned high-performance blister towards high-speed cruising carrier satellite communication system, the flat top surface
1, preceding round and smooth cambered surface 2, rear round and smooth cambered surface 3, left side elevational 4 and right side facade 5 constitute the cover 6 of antenna house, the bottom surface of cover 6 and
Mounting base 7 is detachably connected.
Further, the above-mentioned high-performance blister towards high-speed cruising carrier satellite communication system, the cover 6 have
Sandwich.
It is preferred that the cover 6 is covering-sandwich layer-covering or covering-sandwich layer-covering-sandwich layer-covering sandwich.
It is preferred that the covering is high wave-penetrating composite material, the sandwich layer is low-loss material.
High wave-penetrating composite material described in the utility model refers to the high wave-transmissivity materials that wave transmission rate is greater than 80%, including but unlimited
In glass fibre, aramid fiber etc., the low-loss material is low-loss material of the loss tangent less than 0.1, including but unlimited
In cellular material, foamed material etc..
Further, the flat top surface 1 of cover 6 has gradient thickness region, with antenna array center point in flat top surface 1
Corresponding point is the center of circle, and the sandwich of flat top surface 1 is from the outside gradient thickness in the center of circle.
It is preferred that remaining region of cover 6 in addition to gradient thickness region, sandwiched thickness and gradient thickness region are most thick
Locate identical.
It is preferred that it is in broken line type on radial section that the sandwich of the flat top surface 1 is from the outside gradient thickness in the center of circle
Varying-thickness, perhaps stepped Varying-thickness or circular arc type Varying-thickness.
The antenna house cover of the utility model uses gradient thickness sandwich, is on the one hand because of antenna equipment upper surface
Front-end and back-end there are two stress concentration points, sandwich meets the intensity requirement of stressed zone, and another aspect gradual change is thick
Structure is spent compared with equal thick structure, and there is better wave transparent characteristic.One embodiment according to the present utility model, the progressive thickness
The antenna house of design can guarantee 85% or more wave transmission rate in the range of 0~70 °.
It is preferred that the mode that the bottom surface of cover 6 and mounting base 7 are detachably connected is, 6 edge bottom of cover is equipped with threaded hole
Blind hole 11, using the bottom-up fastening antenna house of screw connection manner and mounting base.
Further, the high-performance blister towards high-speed cruising carrier satellite communication system of the utility model can be
A single aerial system antenna house or dual-antenna system antenna house.In dual-antenna system, different antennae respectively has different thickness
Spend gradation zone and wave transparent region.
The utility model has the beneficial effects that: the high performance antenna towards high-speed cruising carrier satellite communication system
Cover has outstanding aerodynamic configuration, can be reduced significantly forced area, reduces windage, can effectively promote the pneumatic of antenna system entirety
Property；Radome material selects sandwich, guarantees to reduce weight while mechanical property；The installation hole location of antenna house is reserved in machine
The covers edge bottom of machine-shaping, size easily guarantee, can effectively avoid rainwater and immerse antenna house and lower cover faying face；Antenna house
Wave transparent region carry out thickness designs according to the different of incident angle, greatly improve the wave transparent in antenna scanning angular region
Rate.The antenna house adapts to the working environment of the high speeds operation carriers such as motor-car, meets the work of satellite communication wide angle scanning, high wave transparent
Feature.
Detailed description of the invention
Fig. 1 is a kind of a single aerial system antenna cover structure main view of the utility model；
Fig. 2 is the diagrammatic cross-section of the cover gradient thickness structure of Fig. 1 antenna house；
Fig. 3 is two kinds of sandwich schematic diagrames of the utility model antenna house cover, and A is covering-sandwich layer-covering interlayer, B
It is covering-sandwich layer-covering-sandwich layer-covering interlayer；
Fig. 4 is the sandwich schematic diagram of the utility model antenna house cover broken line type Varying-thickness；
Fig. 5 is the sandwich schematic diagram of the utility model antenna house cover step type Varying-thickness；
Fig. 6 is the sandwich schematic diagram of the utility model antenna house cover circular arc type Varying-thickness；
Fig. 7 be the utility model a kind of a single aerial system antenna house use state under diagrammatic cross-section；
Fig. 8 is the cover and mounting base junction structural schematic diagram of the utility model antenna house；
Fig. 9 is a kind of dual-antenna system antenna cover structure main view of the utility model；
Figure 10 be the utility model a kind of dual-antenna system antenna house use state under diagrammatic cross-section；
Figure 11 is 1 a single aerial system antenna house wave transparent area thickness change curve of the utility model embodiment；
Figure 12 is the design of 1 a single aerial system antenna house gradient thickness of the utility model embodiment and conventional uniform thickness design
Wave transmission rate with incidence angle emulation change curve；
Figure 13 is that 1 a single aerial system antenna house gradient thickness of the utility model the utility model embodiment designs wave transparent in kind
Rate is with incidence angle change curve test result figure.
Wherein, 1- flat top surface, round and smooth cambered surface before 2-, round and smooth cambered surface after 3-, 4- left side elevational, facade on the right side of 5-, 6- cover
Body, 7- mounting base, 8- covering, 9- sandwich layer, 10- antenna, 11- threaded hole blind hole, 12- drive screw.
Specific embodiment
It is illustrated below in conjunction with utility model content of the specific embodiment to the utility model is further.
Embodiment 1
With reference to Fig. 1~8,11~13, a kind of antenna house towards high-speed cruising carrier satellite communication a single aerial system, including
The cover 6 and mounting base 7 being detachably connected, the antenna house are that the ratio between height and anterior-posterior length are 1:100~1:5 and front and back is right
Claim, symmetrical low section structure, cover 6 has flat top surface 1, preceding round and smooth cambered surface 2, rear round and smooth cambered surface 3, left side elevational 4
With right side facade 5, the flat top surface 1 is the wave transparent region of antenna house, the flat top surface 1 and left side elevational 4 and right side facade 5
Junction use smooth surface transition, 6 edge bottom of cover be equipped with threaded hole blind hole, using the bottom-up fastening of screw connection manner
Antenna house and mounting base.
The front-end and back-end of the antenna equipment upper surface of high-speed cruising carrier there are two stress concentration points, herein stress compared with
Greatly；Antenna house upper surface edge, there are the biggish annular sections of stress.The utility model is according to the stress feelings
Condition, selects the cover shape of approximate ellipse, and front and back end 2,3 is round and smooth globoidal structure, and two sides 4,5 are facade, and facade and flat
Whole top surface 1 and forward and backward round and smooth cambered surface pass through smooth surface transition；It is symmetrical before and after antenna house, bilateral symmetry, generally low section knot
Structure reduces air drag, promotes pneumatic property to reduce forced area.
In order to meet the requirement for carrying larger stress in high-speed cruising environment, cover 6 is designed as sandwich, interlayer knot
Structure can be A interlayer in Fig. 3 (covering-sandwich layer-covering), be also possible to B interlayer (covering-sandwich layer-covering-sandwich layer-covering).Out
In reduce the integral thickness with cover antenna and reduce difficulty of processing the considerations of, it is preferred to use A sandwich covering-core shown in Fig. 3
The structure of layer-covering designs antenna house.Wherein covering 8 uses epoxy resin fiberglass material, and sandwich layer 9 uses cellular material.
The flat top surface 1 of cover 6 has gradient thickness region, with antenna array center point corresponding to the flat top surface 1
Point is the center of circle, and the sandwich of flat top surface 1 is from the outside gradient thickness in the center of circle.The gradient thickness can be in radial section
Upper is in broken line type Varying-thickness, such as Fig. 4；It is also possible to stepped Varying-thickness, such as Fig. 5；Either circular arc type Varying-thickness, such as Fig. 6.
Antenna house can regard multilayer dielectricity cascade structure as, according to the thickness of every layer of dielectric material, material parameter and incidence
Angle calculates the transmission matrix of this layer of medium of electromagnetic wave incident, then the transmission matrix of the entire antenna house of cascaded computation.To
Obtain antenna house wave transmission rate.
The present embodiment is using antenna array center in Fig. 7 as origin, and normal is axis at center origin, and antenna cover inner surface is a certain
Point is incident angle of the antenna to the antenna house point with the line of origin and the angle α of axis.Calculate different positions on antenna house
The incidence angle set, and the wave transparent region of antenna house is calculated according to the beam angle of antenna, obtain maximum incident angle on antenna house
70 ° of degree.
This example checks in the unit for electrical property parameters of selected core material and skin material, according to different location electricity on antenna house
The thickness of the incident angle design antenna house of magnetic, so that antenna house is in working frequency range in 0 °~70 ° of antenna house of wave transparent region
Keep 80% or more wave transmission rate.Since under incidence angles degree, the antenna house wave transmission rate difference of condition of equivalent thickness is big, and antenna house is adopted
With broken line type thickness design shown in Fig. 4, design result is as shown in figure 11.Given in Figure 11 antenna house core layer thickness with away from
The variation tendency of origin axial line distance, there are four different thickness change sections altogether in the progressive thickness region.Cover 6 removes thickness gradually
The sandwiched thickness for becoming remaining region outside region is identical as gradient thickness region thickness.
By the antenna house of thickness design with the uniform thickness antenna house with a thickness of T1 into simulation comparison, as shown in figure 12.
Uniform thickness antenna house wave transmission rate in large angle incidence deteriorates seriously, not can guarantee 80% when incident angle is greater than 50 °
Wave transmission rate.And the antenna house of progressive thickness design can guarantee 85% or more wave transmission rate in the range of 0~70 °.According to setting
Parameter production Varying-thickness antenna house material object is counted, the test result of antenna house is as shown in figure 13.
Embodiment 2
With reference to Fig. 9~10, a kind of antenna house towards high-speed cruising carrier satellite communication dual-antenna system, the antenna house
The single antenna cover of design feature, design method and embodiment 1 is essentially identical.I.e. two antenna systems are respectively with respective antenna array
Column center is origin, and normal is axis at origin, calculates the incident angle of antenna house different location, sandwich layer further according to selection and interior
The material parameter of exterior skin calculates respective transmission matrix, designs satisfactory Varying-thickness core structure.The difference is that
Two antenna systems may have different Varying-thickness structure and wave transparent region in dual-antenna system.Dual-antenna system antenna house it is saturating
Wave region is usually composed of the irradiation area of two antenna systems.
The antenna house of the utility model has the advantages such as the high wave transparent of wide angle, the low aeroperformance of section be good.It can be adapted for
The carrier platform of friction speed, and meet the requirement of most of antenna.
Claims (10)
1. a kind of high-performance blister towards high-speed cruising carrier satellite communication system, which is characterized in that the antenna house is
Height and the ratio between anterior-posterior length is (1:100)~(1:5's) and front and back is symmetrical, symmetrical low section structure, including smooth
Top surface (1), preceding round and smooth cambered surface (2), rear round and smooth cambered surface (3), left side elevational (4) and right side facade (5), the flat top surface (1)
It is the wave transparent region of antenna house, the flat top surface (1) and left side elevational (4) and the junction of right side facade (5) are using smooth bent
Face transition.
2. the high-performance blister according to claim 1 towards high-speed cruising carrier satellite communication system, feature exist
In the flat top surface (1), preceding round and smooth cambered surface (2), rear round and smooth cambered surface (3), left side elevational (4) and right side facade (5) constitute day
The cover (6) of irdome, the bottom surface of cover (6) and mounting base (7) are detachably connected.
3. the high-performance blister according to claim 2 towards high-speed cruising carrier satellite communication system, feature exist
In the cover (6) has sandwich.
4. the high-performance blister according to claim 3 towards high-speed cruising carrier satellite communication system, feature exist
In the sandwich is covering-sandwich layer-covering or covering-sandwich layer-covering-sandwich layer-covering.
5. the high-performance blister according to claim 4 towards high-speed cruising carrier satellite communication system, feature exist
In the covering is high wave-penetrating composite material, and the sandwich layer is low-loss material.
6. the high performance antenna towards high-speed cruising carrier satellite communication system according to claim 2~5 any one
Cover, which is characterized in that using antenna array center point point corresponding to the flat top surface (1) of cover (6) as the center of circle, flat top surface
(1) sandwich forms gradient thickness region from the outside gradient thickness in the center of circle.
7. the high-performance blister according to claim 6 towards high-speed cruising carrier satellite communication system, feature exist
In, remaining region of cover (6) in addition to the gradient thickness region, thickness and the gradient thickness region thickness of sandwich
It is identical.
8. the high-performance blister according to claim 6 towards high-speed cruising carrier satellite communication system, feature exist
In the sandwich of the flat top surface (1) refers to from the outside gradient thickness in the center of circle to thicken on radial section in broken line type
It spends, perhaps stepped Varying-thickness or circular arc type Varying-thickness.
9. towards the high property of high-speed cruising carrier satellite communication system according to claim 2~4 and 7~8 any one
It can antenna house, which is characterized in that the mode that the bottom surface of cover (6) and mounting base (7) are detachably connected are as follows: cover (6) edge
Bottom is equipped with threaded hole blind hole (11), using the bottom-up fastening cover (6) of screw connection manner and mounting base (7).
10. towards the high property of high-speed cruising carrier satellite communication system according to claim 2~4 and 7~8 any one
Energy antenna house, which is characterized in that the antenna house is a single aerial system antenna house or dual-antenna system antenna house.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969469.XU CN208433525U (en) | 2018-06-22 | 2018-06-22 | A kind of high-performance blister towards high-speed cruising carrier satellite communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820969469.XU CN208433525U (en) | 2018-06-22 | 2018-06-22 | A kind of high-performance blister towards high-speed cruising carrier satellite communication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808239A (en) * | 2018-06-22 | 2018-11-13 | 中国电子科技集团公司第二十九研究所 | A kind of high-performance blister towards high-speed cruising carrier satellite communication system |
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2018
- 2018-06-22 CN CN201820969469.XU patent/CN208433525U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808239A (en) * | 2018-06-22 | 2018-11-13 | 中国电子科技集团公司第二十九研究所 | A kind of high-performance blister towards high-speed cruising carrier satellite communication system |
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