CN205828642U - A kind of conformal antenna mounting framework - Google Patents
A kind of conformal antenna mounting framework Download PDFInfo
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- CN205828642U CN205828642U CN201620730082.XU CN201620730082U CN205828642U CN 205828642 U CN205828642 U CN 205828642U CN 201620730082 U CN201620730082 U CN 201620730082U CN 205828642 U CN205828642 U CN 205828642U
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Abstract
The utility model discloses a kind of conformal antenna mounting framework, it includes ground floor skeleton (1), second layer skeleton (2) and third layer skeleton (3), described ground floor skeleton (1), second layer skeleton (2), third layer skeleton (3) is all in same ellipsoid, and the inclination angle of each layer all differs, described ground floor skeleton (1), second layer skeleton (2) is tangent with ellipsoid, third layer skeleton (3) has tangent line angle a with the sphere tangent line of second layer skeleton (1), ground floor skeleton (1), second layer skeleton (2), multiple antenna installing hole (4) is all offered on third layer skeleton (3), it is provided with multiple antenna mounting post (6) on antenna installing hole (4) skeleton around, antenna mounting post offers to fasten the screw hole of antenna on (6).The beneficial effects of the utility model are: it has light weight, low cost and excellent structural stability and the advantage of good aerial radiation uniformity.
Description
Technical field
This utility model relates to conformal antenna technical field, particularly a kind of conformal antenna mounting framework.
Background technology
Conformal (ellipse) spherical antenna battle array can realize the omnibearing radiation of hemisphere face.Numerous antenna systems have the most comparable
The advantage intended.Can be used for GCS Ground Communication System, communication in moving system airborne, vehicle-mounted, can also apply to radar simultaneously, position, navigate
Field.
Conformal array antenna has many types, has taper battle array, spheric array, cylindrical array etc..It possesses Conventional planar antennas battle array
Characteristic, also has a lot of difference simultaneously.
Planar array is the most ripe is applied to multiple field, but its scan angle is typically up to about 60 °.And spheric array can
To cover all around.This can play a role very well in Satellite Tracking, the field such as communication.In the condition reaching same wide angle of radiation
Under, conformal spheric array has the biggest advantage at volume, power consumption, one-tenth present aspect.But the design of spheric array requires the highest.Relative to
Planar array, its array element skewness, Directional Pattern Analysis becomes complicated.Array for large radius of curvature wants to obtain lower pair
The directional diagram of lobe, it is necessary to distribute the position of each array element, so that all array element can effectively point to the direction of formulation.Simultaneously
Nonplanar array element radiation polarization is irregular, it is thus possible to cause cross polarization the highest.
(ellipse) spherical structure difficulty in terms of processing is relatively big, and cost is the highest, its design difficulty mainly have following some: 1,
Between (ellipse) sphere conformal antenna element characteristics and unit Mutual Coupling Analysis difficulty, 2, conformal Pattern Synthesis of Antenna Array difficulty,
3, conformal array array antenna polarizing control difficulty, 4, Wave beam forming and control complicated, 5, test (calibration) difficult.
Our company overcomes above-mentioned difficult point, have devised a kind of brand-new (ellipse) spheric array, and supports this ellipsoid battle array
The carrier of antenna.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, it is provided that a kind of structural stability is good, easy for installation
Conformal antenna mounting framework.
The purpose of this utility model is achieved through the following technical solutions: a kind of conformal antenna mounting framework, and it includes the
One layer of skeleton, second layer skeleton and third layer skeleton, described ground floor skeleton, second layer skeleton, third layer skeleton all with
In one ellipsoid, and the inclination angle of each layer all differs, and described ground floor skeleton, second layer skeleton are tangent with ellipsoid, the
The sphere tangent line of three layers of skeleton and second layer skeleton has a tangent line angle a, described ground floor skeleton, second layer skeleton, the 3rd
All offer multiple antenna installing hole on layer skeleton, the described skeleton around antenna installing hole is provided with multiple antenna mounting
Post, antenna mounting post offers to fasten the screw hole of antenna.
Uniformly offer four antenna installing holes on described ground floor skeleton, described second layer skeleton is uniformly offered
There are eight antenna installing holes, described third layer skeleton uniformly offers 11 antenna installing holes.
It is provided with four antenna mounting posts on the described skeleton around antenna installing hole.
The top of described ground floor skeleton is further opened with a positioner installing hole, around positioner installing hole
It is additionally provided with four positioner locating dowels in order to mounting and positioning device on skeleton, and the top of ground floor skeleton is dome knot
Structure.
On described ground floor skeleton and the phase T-Ring of second layer skeleton and second layer skeleton and the phase of third layer skeleton
Lightening hole is all offered on T-Ring.
Multiple equally distributed antenna holder mounting seat, antenna it is provided with on the described lateral wall bottom third layer skeleton
Tapped through hole is offered in support mounting seat.
Described tangent line angle a is 10 °.
This utility model has the advantage that antenna mounting framework of the present utility model, is divided into three layers of skeleton, on skeleton
Offer and realize 23 antenna installing holes that antenna sphere is structured the formation, and between each layer of skeleton, there is different inclination angles, thus change
It is apt to the gain flatness in the uniformity i.e. sweep limits of aerial radiation, and skeleton has used thread hollow structure, i.e. ensure that skeleton
Performance, reduce again materials cost and the weight of skeleton；Ground floor skeleton uses dome structure, thus ensure that antenna is installed
The uniform force of skeleton, thus improve the stability of antenna mounting framework.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In figure, 1-ground floor skeleton, 2-second layer skeleton, 3-third layer skeleton, 4-antenna installing hole, 5-positioner is pacified
Dress hole, 6-antenna mounting post, 7-antenna holder mounting seat, 8-lightening hole, 9-positioner locating dowel.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described, protection domain of the present utility model be not limited to
Lower described:
As it is shown in figure 1, a kind of conformal antenna mounting framework, it includes ground floor skeleton 1, second layer skeleton 2 and third layer
Skeleton 3, described ground floor skeleton 1, second layer skeleton 2, third layer skeleton 3 are all in same ellipsoid, and each layer incline
Angle all differs, and described ground floor skeleton 1, second layer skeleton 2 are tangent with ellipsoid, third layer skeleton 3 and second layer skeleton 1
Sphere tangent line there is tangent line angle a, it is preferred that tangent line angle a is 10 °, in this way, can improve aerial radiation
Gain flatness in uniformity i.e. sweep limits, in real process, ground floor skeleton 1, second layer skeleton 2 and third layer bone
Frame 3 is not limited in ellipsoid, it is also possible to be sphere, on described ground floor skeleton 1, second layer skeleton 2, third layer skeleton 3
All offer multiple antenna installing hole 4, the described skeleton around antenna installing hole 4 is provided with multiple antenna mounting post 6, sky
Offer to fasten the screw hole of antenna, ground floor skeleton 1 the most of the present utility model, second layer skeleton on line support column 6
2, the structure of third layer skeleton 3 is extremely complex, uses traditional processing mode, and its machining accuracy is not being met, and processes
Difficulty is very big, and skeleton the most of the present utility model all uses 3D process technology to process.
In the present embodiment, described ground floor skeleton 1 uniformly offers four antenna installing holes 4, described second
Uniformly offer eight antenna installing holes 4 on layer skeleton 2, described third layer skeleton 3 uniformly offers 11 antennas and installs
Hole 4, therefore adds up on ground floor skeleton 1, second layer skeleton 2, third layer skeleton 3 and amounts to 23 antennas, and 23 antennas, it is
Meet the minimum unit number obtained under requiring, though and this junior unit number is under the requirement of global index, with unit number, position
Putting etc. as variable, unit interval, ellipsoid size etc. are constraints, and element pattern equivalence becomes the heredity calculation of point source directional diagram
Method is optimized and obtains, and its concrete thought is as follows:
First from system index, the index request reached needed for conformal antenna is decomposited.Then, from the index of antenna
Require the antenna element characteristic needed for analyzing and the topological structure of conformal antenna array.And then determined required by optimized algorithm
Element pattern, the most conformal array topology layout is optimized.Aerial array is operated in S-band, band
A width of 10%, sweep limits is the angle of pitch-75 ° to 75 °, 0 °-360 ° of azimuth.Aerial array gain in sweep limits is wanted
More than 13dBi, gain flatness is less than 1dB.Aerial array can support double-circle polarization mode of operation simultaneously, and its axle ratio is less than
3dB.Antenna should be able to accept the ability of more than three satellite information simultaneously simultaneously.
Obviously, for a Conformal Phased Array, its first should be limited in certain spatially, here we limit
Its scope fixed is in the diameter hemisphere less than 300mm.Simultaneously in order to save the cost of conformal phased array antenna, unit number and
Its position is the significant variable that we optimize.Its gain and gain flatness are very important optimization aim.First, intend
A fixed antenna element directional diagram, now with two variablees: the position coordinates of each unit (x, y, z) and antenna element total
Number N.Each unit of array can not intersect, and its size is necessarily less than R at the radius being limited to hemisphere, say, that each
The coordinate control of unit is within the scope of certain.It addition, in whole upper half spatial domain, the optimum results of antenna gain have to be larger than
13 dBi, and gain flatness is less than 1 dB.We use genetic algorithm to carry out excellent to distribution and the element number of unit
Change.If this element pattern drafted optimization can not meet the structure of requirement, the directional diagram of element antenna is adjusted
Whole, select a new directional diagram to re-start optimization.After optimization aim reaches our requirement, we are according to the side drafted
Going to design the element pattern that we are required to figure, the antenna element this designed is arranged according to the topological structure optimized
Cloth, finally utilizes full wave analysis software to carry out unitary analysis and optimization.
In the present embodiment, the described skeleton around antenna installing hole 4 is provided with four antenna mounting posts 6, antenna
The height of support column 6 can change, such that it is able to change the pitching of antenna element by changing the height of antenna mounting post 6
Angle, thus meet actual demand.
In the present embodiment, the top of described ground floor skeleton 1 is further opened with a positioner installing hole 5, in location
Four positioner locating dowels 9 in order to mounting and positioning device, positioner it is additionally provided with on skeleton around device installing hole 5
Using GPS location, and the top of ground floor skeleton 1 uses dome structure, the moulding of the arch of vault formula of its dome mechanism has surrounding
The feature of power transmission, so by the most thinning for the wall thickness of support on the basis of meeting identical stress, thus can reduce antenna and installs
The weight of skeleton.
In the present embodiment, on described ground floor skeleton 1 and the phase T-Ring of second layer skeleton 2 and second layer skeleton 2
With all offer lightening hole 8 on the phase T-Ring of third layer skeleton 3, i.e. ground floor skeleton 1, second layer skeleton 2 and third layer skeleton 3
Use the empty design of thread, be so possible not only to reduce the weight of antenna mounting framework, and also ensure that being subject to of antenna mounting framework
Power uniformity, thus improve the stability of antenna mounting framework.
In the present embodiment, the described lateral wall bottom third layer skeleton 3 is provided with multiple equally distributed antenna
Support mounting seat 7, antenna holder mounting seat 7 offers tapped through hole, in order to the installation of antenna mounting framework.
Claims (7)
1. a conformal antenna mounting framework, it is characterised in that: it includes ground floor skeleton (1), second layer skeleton (2) and the 3rd
Layer skeleton (3), described ground floor skeleton (1), second layer skeleton (2), third layer skeleton (3) all in same ellipsoid, and
The inclination angle of each layer all differs, and described ground floor skeleton (1), second layer skeleton (2) are tangent with ellipsoid, third layer skeleton
(3) there is tangent line angle a with the sphere tangent line of second layer skeleton (1), described ground floor skeleton (1), second layer skeleton (2),
All offer multiple antenna installing hole (4) on third layer skeleton (3), described antenna installing hole (4) skeleton around is arranged
Having multiple antenna mounting post (6), antenna mounting post offers to fasten the screw hole of antenna on (6).
A kind of conformal antenna mounting framework the most according to claim 1, it is characterised in that: described ground floor skeleton (1)
On uniformly offer four antenna installing holes (4), described second layer skeleton (2) uniformly offers eight antenna installing holes
(4) 11 antenna installing holes (4) are uniformly offered on, described third layer skeleton (3).
A kind of conformal antenna mounting framework the most according to claim 1, it is characterised in that: described antenna installing hole (4)
It is provided with four antenna mounting posts (6) on skeleton around.
A kind of conformal antenna mounting framework the most according to claim 1, it is characterised in that: described ground floor skeleton (1)
Top be further opened with a positioner installing hole (5), the skeleton around positioner installing hole (5) is additionally provided with four
In order to the positioner locating dowel (9) of mounting and positioning device, and the top of ground floor skeleton (1) is dome structure.
A kind of conformal antenna mounting framework the most according to claim 1, it is characterised in that: described ground floor skeleton (1)
Subtract with all offering on the phase T-Ring of second layer skeleton (2) and on the phase T-Ring of second layer skeleton (2) and third layer skeleton (3)
Repeated hole (8).
A kind of conformal antenna mounting framework the most according to claim 1, it is characterised in that: described third layer skeleton (3)
Being provided with multiple equally distributed antenna holder mounting seat (7) on the lateral wall of bottom, antenna holder mounting seat offers on (7)
Tapped through hole.
A kind of conformal antenna mounting framework the most according to claim 1, it is characterised in that: described tangent line angle a is
10°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730082.XU CN205828642U (en) | 2016-07-12 | 2016-07-12 | A kind of conformal antenna mounting framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730082.XU CN205828642U (en) | 2016-07-12 | 2016-07-12 | A kind of conformal antenna mounting framework |
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| Publication Number | Publication Date |
|---|---|
| CN205828642U true CN205828642U (en) | 2016-12-21 |
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ID=57565768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620730082.XU Withdrawn - After Issue CN205828642U (en) | 2016-07-12 | 2016-07-12 | A kind of conformal antenna mounting framework |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025490A (en) * | 2016-07-12 | 2016-10-12 | 成都泰格微电子研究所有限责任公司 | Conformal antenna mounting skeleton |
| WO2018010259A1 (en) * | 2016-07-12 | 2018-01-18 | 成都泰格微波技术股份有限公司 | Conformal antenna array |
| WO2018010257A1 (en) * | 2016-07-12 | 2018-01-18 | 成都泰格微波技术股份有限公司 | Conformal spherical antenna array having good shielding results |
| CN108110400A (en) * | 2017-12-08 | 2018-06-01 | 北京无线电测量研究所 | A kind of spherical surface formula phased array antenna frame |
-
2016
- 2016-07-12 CN CN201620730082.XU patent/CN205828642U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025490A (en) * | 2016-07-12 | 2016-10-12 | 成都泰格微电子研究所有限责任公司 | Conformal antenna mounting skeleton |
| WO2018010259A1 (en) * | 2016-07-12 | 2018-01-18 | 成都泰格微波技术股份有限公司 | Conformal antenna array |
| WO2018010257A1 (en) * | 2016-07-12 | 2018-01-18 | 成都泰格微波技术股份有限公司 | Conformal spherical antenna array having good shielding results |
| WO2018010258A1 (en) * | 2016-07-12 | 2018-01-18 | 成都泰格微波技术股份有限公司 | Conformal antenna mounting frame |
| CN106025490B (en) * | 2016-07-12 | 2019-01-22 | 成都泰格微电子研究所有限责任公司 | A kind of conformal antenna mounting framework |
| CN108110400A (en) * | 2017-12-08 | 2018-06-01 | 北京无线电测量研究所 | A kind of spherical surface formula phased array antenna frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20190122 |