CN110289474A - The preparation method of spheric satellite antenna and spheric satellite antenna - Google Patents
The preparation method of spheric satellite antenna and spheric satellite antenna Download PDFInfo
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- CN110289474A CN110289474A CN201910596051.8A CN201910596051A CN110289474A CN 110289474 A CN110289474 A CN 110289474A CN 201910596051 A CN201910596051 A CN 201910596051A CN 110289474 A CN110289474 A CN 110289474A
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- reflective face
- paster apparatus
- sphere
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/081—Inflatable antennas
- H01Q1/082—Balloon antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/145—Reflecting surfaces; Equivalent structures comprising a plurality of reflecting particles, e.g. radar chaff
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
- H01Q15/161—Collapsible reflectors
- H01Q15/163—Collapsible reflectors inflatable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
This application involves a kind of spheric satellite antenna and antenna preparation methods.The antenna includes: inflatable sphere, feed and antenna reflective face；Wherein inflatable sphere includes upper hemisphere and lower hemisphere；Antenna reflective face is the round paraboloid of multiple paster apparatus composition；Each paster apparatus inlays the inner wall for being attached to lower hemisphere, and paster apparatus is inflatable structure, and when inflating to upper hemisphere, lower hemisphere and each paster apparatus, antenna reflective face is fixed at the interface of upper hemisphere and lower hemisphere；Feed is set to the top of upper hemisphere outer surface.Sphere, the antenna reflective face of above-mentioned antenna are all inflatable；When not needing using the antenna, inflatable sphere can be deflated and be folded, be convenient for carrying；When needing using the antenna, inflatable sphere is inflated, it is easy for installation.When antenna reflective face is that pairs of its of multiple paster apparatus groups is folded, on the one hand convenient for folding, its function is on the other hand avoided damage to.
Description
Technical field
This application involves spheric satellite antenna technical fields, more particularly to a kind of spheric satellite antenna and spheric satellite day
The preparation method of line.
Background technique
Antenna, be seen everywhere it is closely related with daily life, such as on radio, television set, mobile phone usually all
Equipped with antenna.In fact, all wireless devices, including radio communication, broadcast, TV, radar, navigation etc. are all to utilize day
Line carrys out work, and the transmitting and reception from the myriametric wave of several MHz to the millimere-wave band electromagnetic wave of more than 40 GHz will pass through day
Line is realized.Antenna is exactly such a component, and work is when emitting, it is by the leading on the high-frequency current or feeding transmission line in circuit
Wave is efficiently converted into certain polarized spatial electromagnetic wave, launches to defined direction；When receiving, then space will be come from
Certain polarized electromagnetic wave of specific direction is effectively converted into the guided wave on the high-frequency current or transmission line in circuit.It can
See, antenna is the core of entire satellite communication system, is related to the success or failure of entire satellite system.
Antenna is segmented into multiple classifications, including whip antenna, T antenna, V-arrangement day according to its function and characteristic etc.
Line and spheric satellite antenna etc..Spheric satellite antenna is a kind of common satellite antenna, and spheric satellite antenna is by antenna
Paraboloid is hidden in ball interior.However, current spheric satellite antenna installation is very troublesome and inconvenient to carry.
Summary of the invention
Based on this, it is necessary to install trouble for current spheric satellite antenna, problem inconvenient to carry provides a bulb
The preparation method of shape satellite antenna and spheric satellite antenna.
A kind of spheric satellite antenna, comprising: inflatable sphere, feed and antenna reflective face；The wherein inflatable balloon body
Including upper hemisphere and lower hemisphere；
The antenna reflective face is the round paraboloid of multiple paster apparatus composition；Each described paster apparatus inlays patch
It is attached to the inner wall of the lower hemisphere, the paster apparatus is inflatable structure, when to the upper hemisphere, lower hemisphere and every
When one paster apparatus inflation, the antenna reflective face is fixed on the interface of the upper hemisphere and the lower hemisphere
Place；
The feed is set to the top of the upper hemisphere outer surface.
Above-mentioned spheric satellite antenna, including inflatable sphere, feed and antenna reflective face；Inflatable sphere includes episphere
Body and lower hemisphere；Antenna reflective face is the round paraboloid of multiple paster apparatus composition；Each paster apparatus inlays attaching
In the inner wall of lower hemisphere, paster apparatus is inflatable structure, is filled when to upper hemisphere, lower hemisphere and each paster apparatus
When gas, antenna reflective face is fixed at the interface of upper hemisphere and lower hemisphere；Feed is set to upper hemisphere outer surface
Top.Sphere, the antenna reflective face of above-mentioned spheric satellite antenna are all inflatable；It, can be with when not needing using the antenna
It deflates to inflatable sphere, it can be folded after deflation, very convenient carrying；When needing to use the antenna
When, inflatable sphere is inflated, is installed very convenient.In addition, antenna reflective face is that multiple paster apparatus groups are pairs of
When it is folded, on the one hand convenient for folding, its function is on the other hand avoided damage to.
The diameter of the antenna reflective face is identical as the diameter of the inflatable sphere in one of the embodiments,.
Setting first is filled at the attaching of the inside of the lower semisphere and the paster apparatus in one of the embodiments,
Port.
The quantity of the inflating port is multiple in one of the embodiments, is uniformly distributed in the inner wall of the lower semisphere.
It in one of the embodiments, further include feed source bracket, the feed source bracket is for fixing the feed.
It in one of the embodiments, further include the fixation device of feed source bracket；The quantity of the fixed device be it is multiple,
Multiple fixed devices are evenly distributed on the outer wall of the upper hemisphere, and the fixed device is for fixing the feed branch
Frame.
The antenna reflective face is made of PVC and aluminium foil in one of the embodiments,.
The upper hemisphere and above-mentioned lower hemisphere are made of PVC in one of the embodiments, and the episphere
Body and the lower hemisphere are equal in magnitude.
The upper hemisphere is equipped with the second inflating port in one of the embodiments,.
According to above-mentioned spheric satellite antenna, the present invention also provides a kind of preparation methods of spheric satellite antenna.
A kind of preparation method of the spheric satellite antenna, comprising:
The inflatable sphere is prepared according to the diameter value of sphere, the inflatable sphere is cut out, described in formation
Upper hemisphere and the lower hemisphere；
The antenna reflective face is prepared according to the diameter value of antenna reflective face and focal length value；
The antenna reflective face is cut, multiple paster apparatus are formed, wherein being cut to antenna reflective face
When determined according to the specular cross section of antenna and be divided into the quantity of paster apparatus；
Each described paster apparatus is inlayed to the inner wall for being attached to the lower hemisphere；
The upper hemisphere and the lower hemisphere are subjected to bonding encapsulation, and to the episphere, described after encapsulation
Lower semisphere and the paster apparatus are inflated, when inflating completion, the antenna reflective face be fixed on the upper hemisphere and
At the interface of the lower hemisphere；
The feed is set to the top of the upper hemisphere outer surface.
The preparation method of above-mentioned spheric satellite antenna is prepared according to the characteristic of spheric satellite antenna, preparation process its
Operation is simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of spheric satellite antenna in one embodiment；
Fig. 2 is the structural schematic diagram of spheric satellite antenna in one embodiment；
Fig. 3 is the structural schematic diagram of spheric satellite antenna in one embodiment；
Fig. 4 is the structural schematic diagram of spheric satellite antenna in one embodiment；
Fig. 5 is the structural schematic diagram of spheric satellite antenna in another embodiment；
Fig. 6 is the structural schematic diagram of spheric satellite antenna in one embodiment；
Fig. 7 is the overall structure diagram in one embodiment after the installation of spheric satellite antenna；
Fig. 8 is the flow diagram of the preparation method of spheric satellite antenna in one embodiment；
Fig. 9 is parabola antenna geometrical relationship and coordinate system diagram in one embodiment；
Figure 10 is parabola antenna geometric parameter simplification figure in one embodiment；
Figure 11 is the relation curve of paraboloidal subtended angle and burnt diameter ratio in one embodiment；
Figure 12 is the cutting schematic diagram of reflector antenna in one embodiment；
Figure 13 is that antenna reflective face situation schematic diagram is cut in one embodiment；
Figure 14 is antenna reflective face internal cutting line number amount N and residual area A in one embodimentlWith d0Change schematic diagram；
Figure 15 is in one embodimentWith d0Change schematic diagram.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
A kind of spheric satellite antenna, as Figure 1-Figure 2, comprising: inflatable sphere 10, feed 30 and antenna reflective face
20；Wherein inflatable sphere 10 includes upper hemisphere 102 and lower hemisphere 104；Antenna reflective face 20 is multiple paster apparatus groups
At round paraboloid；Each paster apparatus inlays the inner wall (as shown in Figure 3) for being attached to lower hemisphere, and paster apparatus is can
Inflatable structure, when inflating to upper hemisphere 102, lower hemisphere 104 and each paster apparatus, antenna reflective face 20 is fixed on
At the interface of upper hemisphere 102 and lower hemisphere 104；Feed setting 30 is in the top of 20 outer surface of upper hemisphere.
Specifically, inflatable sphere 10 is usually that flexible or soft material is made；By sphere cut line (usually along ball
Body equatorial line, i.e. upper and lower hemispheres center line) cut (as shown in Figure 2), cut out after the completion of formed two hemisphere, respectively on
Hemisphere 102 and lower hemisphere 104.Thick dashed line in Fig. 2 (a) indicates that cutting wires, Fig. 2 (b) are two hemispheres after cutting
Schematic diagram.Antenna reflective face 20 is a circular paraboloid, and antenna reflective face has the parameters such as radius, focal length, burnt diameter ratio, tool
Body is determined according to paraboloid of revolution principle.Antenna reflective face 20 is segmented into multiple strippings and slicings (i.e. paster apparatus), i.e., will
Antenna reflective face is divided into multiple bulk or tablet according to a kind of partitioning scheme, wherein the bulk or tablet divided
Shape it is unlimited, can be arbitrary shape, size can also be unlimited.After antenna reflective face 20 is divided into paster apparatus,
Paster apparatus is attached to the inside (as shown in Figure 3) of lower semisphere, the position that paster apparatus is pasted can be from lower semisphere open end
(position with upper hemisphere segmentation) extends downwardly a distance (usually 50mm), and wherein the size of antenna reflective face is larger,
Before its unaerated, antenna reflective face is not to be fully deployed, and bottom can hang down pendant in lower hemisphere.It is attached by patch
After the completion, upper hemisphere 102 and lower hemisphere 104 are bonded, after upper hemisphere 102 and the bonding of lower hemisphere 104, to upper
When hemisphere 102, lower hemisphere 104 and each paster apparatus are inflated, antenna reflective face 20 is fixed on upper hemisphere 102 under
At the interface of hemisphere 104；Feed setting 30 is in the top of 20 outer surface of upper hemisphere.Feed 30 is the control of electromagnetic wave
The device of device and Rendezvous Point.
Above-mentioned spheric satellite antenna, including inflatable sphere, feed and antenna reflective face；Inflatable sphere includes episphere
Body and lower hemisphere；Antenna reflective face is the round paraboloid of multiple paster apparatus composition；Each paster apparatus inlays attaching
In the inner wall of lower hemisphere, paster apparatus is inflatable structure, is filled when to upper hemisphere, lower hemisphere and each paster apparatus
When gas, antenna reflective face is fixed at the interface of upper hemisphere and lower hemisphere；Feed is set to upper hemisphere outer surface
Top.Sphere, the antenna reflective face of above-mentioned spheric satellite antenna are all inflatable；It, can be with when not needing using the antenna
It deflates to inflatable sphere, it can be folded after deflation, very convenient carrying；When needing to use the antenna
When, inflatable sphere is inflated, is installed very convenient.In addition, antenna reflective face is that multiple paster apparatus groups are pairs of
When it is folded, on the one hand convenient for folding, its function is on the other hand avoided damage to.
The diameter of antenna reflective face is identical as the diameter of inflatable sphere in one of the embodiments,.
Specifically, the diameter of antenna reflective face is identical as the diameter of inflatable sphere, the area of reflecting surface is maximum at this time, from
And it ensures reflector antenna efficiency and maximizes.
First inflating port is set at the attaching of the inside of lower semisphere and paster apparatus in one of the embodiments,.It is excellent
Choosing, the quantity of inflating port be it is multiple, be uniformly distributed in the inner wall of lower semisphere.
Specifically, as shown in figure 4, the first inflating port 1042 is equipped on the inner wall of lower semisphere, wherein the first inflating port
1042 are predominantly located at paster apparatus and internal location for paste, are mainly used for the air inlet of lower hemisphere.Optionally, the first inflating port
1042 quantity can be multiple, is uniformly distributed on the circumference of lower hemisphere, can equably be inflated to lower hemisphere.
In a preferred embodiment, the quantity of the first inflating port 1042 is 24, is uniformly distributed in lower hemisphere
Inner wall, i.e. every 15 ° of the circumference of lower hemisphere upper to be arranged first inflating port 1042.In addition, the first inflating port is to triangle
Shape, the inflating port of inverted triangle can prevent the gas in inflation from smoothly entering shape of the lower semisphere without influencing reflecting surface.
It in one of the embodiments, further include feed source bracket, feed source bracket is for fixing feed.
In one of the embodiments, as shown in figure 5, further including the fixation device 1024 of feed source bracket；Fixed device
Quantity be it is multiple, multiple fixed devices are evenly distributed on the outer wall of upper hemisphere, and fixed device is for fixing feed source bracket.
Specifically, spheric satellite antenna further includes feed source bracket, feed source bracket is used to feed being fixed on upper hemisphere 102
Top.In the present embodiment using conical horn feed as controller and converter, the bottom of feed receiving point to reflecting surface
Portion is the i.e. focal point of regular parabolic reflecting antenna on straight line, while being also the top of the episphere after cutting.For
The stability of placement, fixing device for installing 1024 at the top of it, fixed device 1024 is for fixing feed source bracket.Preferably,
The quantity of fixed device 1024 can be three, be evenly distributed on upper hemisphere, i.e., each fixes 1024 spacing of device
At 120 ° and the position of the ball coiling in same level, shown in feed source bracket top view such as Fig. 5 (a), conical horn is used
When, the device of fixed feed source bracket is sewed in spherome surface, sphere plugs bracket when being full of gas, the interior placement feed of bracket is simultaneously solid
Fixed, connection terminal operation equipment can be used.Fig. 5 (b) is to fix feed source bracket device on sphere, is in pocket-like.
Antenna reflective face is made of PVC and aluminium foil in one of the embodiments,.
PVC (Polyvinyl chloride), polyvinyl chloride are that vinyl chloride monomer is drawn in peroxide, azo-compound etc.
Send out agent；Or the polymer being polymerized under light, heat effect by mechanism of free-radical polymerization.Ryuron and vinyl chloride
Copolymer system is referred to as vinyl chloride resin.The PVC biggish general-purpose plastics of yield in the world, it is very widely used.Construction material,
Industrial product, daily necessities, flooring laminate, floor tile, artificial leather, tubing, wire and cable, packaging film, bottle, foamed material, sealing material
Material, fiber etc. are widely used.For aluminium foil as a kind of industry manufacture raw and auxiliary material, it is anti-that product is mainly used in packaging
Shield, daily necessity, building etc..The soft easy modification of matter as paper like, and does not rebound after deforming.Can be qualitative, guarantee shading,
It does not fall out, it is opaque, it is pollution-free.In the present embodiment, antenna reflective face is formed using PVC and aluminium foil.It is on the one hand foldable,
On the other hand its shape is easily fixed when needing that antenna reflective face is unfolded.
Upper hemisphere and above-mentioned lower hemisphere are made of PVC in one of the embodiments, and upper hemisphere and lower half
Sphere is equal in magnitude.Inflatable sphere is made using PVC material, is on the one hand easy to cut, it is on the other hand relatively durable.
In one of the embodiments, as shown in Fig. 6 (a), upper hemisphere is equipped with the second inflating port 1022.Inflating port
Position setting is in episphere from equator (i.e. at 1/5th of cutting wires) 45° angle obliquely.The inflating port can be in needs pair
It can be inflated when air globule inflation；And reflecting surface day is not influenced when the position of the inflating port is inflated sphere
The normal work of line.In addition, upper hemisphere is identical with lower hemisphere size, on the one hand convenient for cutting, on the other hand can make
The area of antenna reflective face is maximum, so that reflection efficiency highest.
In a kind of optional embodiment, the sphere that upper and lower hemispheres are packaged into a completion is not losing the same of deformation
When guarantee the complete of air-tightness, after the interface of upper and lower hemispheres sewed and mend with glue and in periphery plus a protective layer (in figure
20), shown in schematic diagram such as Fig. 6 (b).Inflation carries out the second periphery darning after first time glue is sewed and mend, and is conducive to inflate
Without smooth outside influencing after.In addition, field and in use, alignment after entire spheric satellite antenna is provided with design
The spherical satellite antenna of installation is fixed in the angle of telecommunication satellite.Spherical inflatable reflector antenna is when in use in sphere the bottom of from
Portion 3/4 highly locates, and a handle is arranged at 180 ° of spherical surface and fastens the device of rope and fixation；Inflation is completed and is adjusted
When can receive signal and normal use to the angle of satelloid, final whole effect is as shown in Figure 7.It is completed in inflation
When adjust the angle and fasten four ropes at handle, pull to rivet on four brads with 45 ° of ground and fix；Spherical shape can be completed
The fixation when work of antenna.Entire sphere forced position can be made best using the fixed form, reduced to spheric satellite day
The loss of line.
According to above-mentioned spheric satellite antenna, the present invention also provides a kind of preparation methods of spheric satellite antenna.
A kind of preparation method of spheric satellite antenna, as shown in Figure 8, comprising:
Step S110 prepares inflatable sphere according to the diameter value of sphere, inflatable sphere is cut out, and forms upper half
Sphere and lower hemisphere；
Firstly, to prepare sphere, the relevant parameters such as the diameter of determining sphere are selected.In the present embodiment, comprehensively consider day
Line reflection efficiency and the difficulty of design, the complexity of installation process, select the diameter of sphere for 1200mm.Determining sphere
After diameter, sphere is prepared using PVC, after the completion of preparation, sphere is cut out, forms upper hemisphere and lower hemisphere.
Step S120 prepares antenna reflective face according to the diameter value of antenna reflective face and focal length value.
In the present embodiment, maximum according to the reflection efficiency of antenna reflective face, determine the diameter value and ball of antenna reflective face
The diameter of body is identical.Focal length value is calculated after the diameter value for determining antenna reflective face, calculation method is according to paraboloid principle, tool
Body process is as follows: for geometry, parabola being rotated about their axes, just forms a paraboloid of revolution, shape such as Fig. 9 institute
Show.The equation in coordinates of paraboloidal point is
1) cylindrical coordinates, (being origin with O ')
ρ2=4fz (1)
2) rectangular co-ordinate (being origin with O ')
x2+y2=4fz (2)
F is the distance by parabola vertex O ' to focus F in formula.Be more convenient for application is sat by the ball of origin of focus F
Mark system.The spherical coordinates of arbitrary point M is on paraboloidThen have
R ' sin θ '=ρ (3)
R ' cos θ '=f-z (4)
It is added, obtains after above-mentioned (3), (4) formula square
Therefore
This is to put on paraboloid using F as the spherical coordinates equation of origin.
The relational graph of simplification figure 9 becomes the required Parameter Map of design, can be obtained as shown in Figure 10, M is parabola antenna
Boundary point, thus can determine paraboloidal geometric parameter are as follows: diameter d, focal length f, (partly) subtended angle θ m.By (3) formula and (6)
Known to formula
Abbreviation (7) Shi Ke get
By in tri- amount of d, f and θ m known to (8) formula only there are two be it is independent, times know that two of them (such as d, f) can determine
Paraboloidal form and dimension.Subtended angle θ m and the relation curve of F/D focal length/diameter f/d are as shown in figure 11.The size of burnt diameter ratio characterizes
Paraboloidal structure feature, f/d is bigger, and bore subtended angle is smaller, and paraboloid is more shallow, and processing is easy for, but feed is from principal reflection
Face is remoter, and the anti-interference ability of antenna is poorer, and vice versa.In the present embodiment, satellite spherical antenna radius r be 600mm,
Focal length f is 733.6mm, burnt diameter ratio is f/d=0.611 and design draught head is 1000Pa.
Step S130, cuts antenna reflective face, forms multiple paster apparatus, wherein carrying out to antenna reflective face
The quantity for being divided into paster apparatus is determined when cutting according to the specular cross section of antenna；
Show specifically, and effective area as shown in figure 12 to antenna reflective face cutting schematic diagram calculates antenna reflective face cutting
It is intended to and effective area calculates.Figure 12 is antenna reflective face cutting schematic diagram (antenna aperture top view), in Figure 12 in reflecting surface
Cutting belt is indicated with dash area, is 2d in quadrant range internal cutting bandwidth0, length ln, n=0,1,2 ...,
N, therefore total N+1 cutting belt within the scope of radius R, wherein It indicates to be rounded downwards；The effective portion of reflecting surface
Dividing is blank square portion in Figure 12, side length da, and the inadequate length completely cut is dm < da+2d0, therefore have
d0+N·(da+2d0)+dm=R (9)
Antenna aperture radius of circle is R, and antenna aperture area is A=π R2.The total 2N+1 item of transverse cuts band, longitudinal direction in Figure 12
The total 2N+1 item of cutting belt, side length 2d0Small opacities square share Ns.Therefore residual area after antenna reflective face is cut
For Al(i.e. white portion area in Figure 12) is
Al=A-2Ab+As (10)
Wherein AbFor the sum of longitudinal (or lateral) cutting belt area, there is A0It is its left side or the right side for central cutting belt area, An
The longitudinally cutting band area of side nth (being similarly above and below nth transverse cuts band area), i.e.,
Wherein A0=2l0·2d0=4Rd0、
And AsFor the sum of small opacities squares all in Figure 12
Wherein
Figure 13 is cutting antenna reflective face situation analysis (normalization R=1000mm), it can be observed from fig. 13 that lesser
d0With biggish daBe conducive to retain bigger antenna residual area.But biggish daIt is unfavorable for storage and the folding of subsequent antenna
It is folded, it is proposed that setting da<20mm.Figure 14 antenna reflective face internal cutting line number amount N and residual area AlWith d0Change (da=100mm,
Normalize R=1000mm), Figure 15With d0Variation (normalization R=1000mm).As can be seen from Figure 14 in daGu
Determine in situation, with d0Increase, cutting line quantity N and residual area AlTo all it reduce.Define simultaneously computing parameter
It can be found that working as d from Figure 150When=5mm, which has maximum value, A at this timel=2.5825m2；It can similarly obtain in da
When=150mm, parameter optimal value appears in d0=7mm, at this time Al=2.5666m2.It adopts in the present embodiment with the aforedescribed process
Reflecting surface is cut, label is carried out when cutting and is easy to be pasted on reflecting surface sticker.The advantages of cutting is to be easy to ball
Shape reflector antenna folds, secondary use is without breaking its reflector antenna function of ring.
Each paster apparatus is inlayed the inner wall for being attached to lower hemisphere by step S140；
Upper hemisphere and lower hemisphere are carried out bonding encapsulation by step S150, and to after encapsulation episphere, lower semisphere and
Paster apparatus is inflated, and when inflating completion, antenna reflective face is fixed at the interface of upper hemisphere and lower hemisphere；
Feed is set to the top of upper hemisphere outer surface by step S160.
After the completion of reflecting surface cutting, paster apparatus being pasted in lower semisphere, then encapsulates upper and lower hemispheres, encapsulation is completed
After feed is installed.
The preparation method of above-mentioned spheric satellite antenna is prepared according to the characteristic of spheric satellite antenna, preparation process its
Operation is simple.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of spheric satellite antenna characterized by comprising inflatable sphere, feed and antenna reflective face；It can described in wherein
Inflated ball body includes upper hemisphere and lower hemisphere；
The antenna reflective face is the round paraboloid of multiple paster apparatus composition；Each described paster apparatus, which is inlayed, to be attached to
The inner wall of the lower hemisphere, the paster apparatus be inflatable structure, when to the upper hemisphere, lower hemisphere and each
When the paster apparatus is inflated, the antenna reflective face is fixed at the interface of the upper hemisphere and the lower hemisphere；
The feed is set to the top of the upper hemisphere outer surface.
2. spheric satellite antenna according to claim 1, which is characterized in that the diameter of the antenna reflective face and it is described can
The diameter of inflated ball body is identical.
3. spheric satellite antenna according to claim 2, which is characterized in that inside and the patch in the lower semisphere
First inflating port is set at the attaching of device.
4. spheric satellite antenna according to claim 3, which is characterized in that the quantity of the inflating port be it is multiple, in institute
The inner wall for stating lower semisphere is uniformly distributed.
5. spheric satellite antenna according to claim 1-4, which is characterized in that it further include feed source bracket, it is described
Feed source bracket is for fixing the feed.
6. spheric satellite antenna according to claim 5, which is characterized in that further include the fixation device of feed source bracket；Institute
State fixed device quantity be it is multiple, multiple fixed devices are evenly distributed on the outer wall of the upper hemisphere, the fixation
Device is for fixing the feed source bracket.
7. spheric satellite antenna according to claim 1, which is characterized in that the antenna reflective face uses PVC and aluminium foil
It is made.
8. spheric satellite antenna according to claim 1, which is characterized in that the upper hemisphere and above-mentioned lower hemisphere are adopted
It is made of PVC, and the upper hemisphere and the lower hemisphere are equal in magnitude.
9. spheric satellite antenna according to claim 7 or 8, which is characterized in that the upper hemisphere is equipped with second and fills
Port.
10. a kind of preparation method of the described in any item spheric satellite antennas of claim 1-9 characterized by comprising
The inflatable sphere is prepared according to the diameter value of sphere, the inflatable sphere is cut out, the upper half is formed
Sphere and the lower hemisphere；
The antenna reflective face is prepared according to the diameter value of antenna reflective face and focal length value；
The antenna reflective face is cut, multiple paster apparatus are formed, wherein the root when being cut to antenna reflective face
The quantity for being divided into paster apparatus is determined according to the specular cross section of antenna；
Each described paster apparatus is inlayed to the inner wall for being attached to the lower hemisphere；
The upper hemisphere and the lower hemisphere are subjected to bonding encapsulation, and to the episphere after encapsulation, the lower half
Ball and the paster apparatus are inflated, and when inflating completion, the antenna reflective face is fixed on the upper hemisphere and described
At the interface of lower hemisphere；
The feed is set to the top of the upper hemisphere outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596051.8A CN110289474B (en) | 2019-07-03 | 2019-07-03 | Spherical satellite antenna and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596051.8A CN110289474B (en) | 2019-07-03 | 2019-07-03 | Spherical satellite antenna and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN110289474A true CN110289474A (en) | 2019-09-27 |
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