CN105609966B - Split-type antenna reflective face and its design method - Google Patents
Split-type antenna reflective face and its design method Download PDFInfo
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- CN105609966B CN105609966B CN201510624505.XA CN201510624505A CN105609966B CN 105609966 B CN105609966 B CN 105609966B CN 201510624505 A CN201510624505 A CN 201510624505A CN 105609966 B CN105609966 B CN 105609966B
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Abstract
The present invention relates to split-type antenna reflective face and its design methods.Split-type antenna reflective face includes at least two points of valves to link together, three-dimensional localization mechanism is equipped between opposite two side that adjacent two are divided to valve, which is divided to valve to carry out three-dimensional localization and two opposite sides are separated from each other to described adjacent two.There is high position precision between two points of adjacent valves of split-type antenna reflective face, can make that there is high position precision between two points of adjacent valves by the design method of split-type antenna reflective face.
Description
Technical field
The present invention relates to antenna more particularly to split-type antenna reflective face and its design methods.
Background technique
Reflecting surface is an important component of antenna, it utilizes focusing principle, and the spherical wave issued by focus is passed through
It is transformed into plane wave after reflecting；Conversely, when it is for when receiving, it will can to gather after reflection along the plane wave that it is axially transmitted
On coke to focus.
Currently, reflecting surface mainly includes monoblock type antenna reflective face and split-type antenna reflective face.Wherein, split-type antenna
Reflecting surface is joined together to form by multiple points of valves.Current split-type antenna reflective face generally uses adjacent two points
The methods such as the two opposite side surfaces of valve are aligned, every set reflecting surface adjusts separately are assembled.In actual processing, dividing valve is to exist
Error, side is unlikely to be complete smooth, root-mean-square error σ >=0.5mm of such reflecting surface.So due to dividing
The mismachining tolerance and rigging error of valve, for the reflecting surface relative to same bore, the error ratio of split-type antenna reflective face
The error of monoblock type antenna reflective face is bigger.This error can be such that remote sidelobe level increases, and decline antenna gain.
In general, from the point of view of using effect, existing split-type antenna reflective face the main problems are as follows:
1, it is divided to opposite two side of valve to position using adjacent two, by entire lateral plane degree, Normal Displacement ruler
The influence of very little error, so that the position inaccurate between two points of adjacent valves；
2, when two points of adjacent valves connect, every set reflecting surface is adjusted separately, and causes identical point of valve in difference
There is no interchangeability between reflecting surface；
3, positioning datum is inaccurate, causes rigging error excessive.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide points between a kind of two points of adjacent valves with high position precision
Flap-type antenna reflective face and its design method.
(2) technical solution
In order to solve the above-mentioned technical problem, one aspect of the present invention provides a kind of split-type antenna reflective face, including is connected to
Main lobe and at least one side lobe at least two together divides valve, is equipped between opposite two side that adjacent two are divided to valve
Three-dimensional localization mechanism, the three-dimensional localization mechanism to adjacent two be divided to valve carry out three-dimensional localization and by two opposite sides each other
It is spaced apart.
According to the present invention, three-dimensional localization mechanism includes the first location structure and the second location structure；Wherein, the first positioning knot
Structure and the second location structure are separately positioned on two opposite sides, and the first location structure and the second location structure match pair
Two points of adjacent valves carry out three-dimensional localization.
According to the present invention, the first location structure includes the first protrusion and the first locating piece, and the first protrusion is tied by the first positioning
Side where structure is extended, the energy when edge face structure of the first protrusion is its side-shift first distance to the first protrusion place
It is enough to be overlapped with the side；Second location structure includes the second protrusion and the second locating piece, and the second protrusion is by the second location structure institute
Side extend, the edge face structure of the second protrusion can be with when being it to side-shift second distance where the second protrusion
The side is overlapped；Wherein, the end face of the first protrusion and the end face of the second protrusion lean, to two points of adjacent valves opposite
It is positioned in the normal orientation of two sides, the first locating piece and the cooperation of the second locating piece, to two points of adjacent valves same
When positioned perpendicular to normal orientation and in both direction perpendicular to one another.
According to the present invention, the first locating piece is arranged on the end face of the first protrusion, and the setting of the second locating piece is in the second protrusion
End face on；And/or first one in locating piece and the second locating piece be positioning pin, another is dowel hole；And/or the
One protrusion and the second protrusion are pre-embedded block；And/or first protrusion and second protrusion material be metal.
According to the present invention, the first locating piece is arranged on the end face of the first protrusion, and the setting of the second locating piece is in the second protrusion
End face on.
According to the present invention, one in the first locating piece and the second locating piece is positioning pin, another is dowel hole.
According to the present invention, the first protrusion and the second protrusion are pre-embedded block.
According to the present invention, the material of the first protrusion and the second protrusion is metal.
According to the present invention, the vertical range between two opposite sides is located at the electricity for not influencing split-type antenna reflective face
In the range of performance.
According to the present invention, at least two points of valves are at least three points of valves, and at least three points of valves are including a main lobe and at least
Two minor lobes；Minor lobe and the coupled cooperation precision divided between valve divide valve quantity corresponding be connected to the minor lobe, from
Connection at most divides the minor lobe of valve to the minor lobe at least dividing valve is connected, and minor lobe and the coupled cooperation precision divided between valve are successively
Successively decrease, wherein in cooperation in the case where dividing valve quantity different, between the two minor lobes that two connected minor lobes respectively connect
Precision be equal to be connected with more divide valve minor lobes and other divide the cooperation precision between valve.
According to the present invention, the decrement of precision is cooperated to be greater than or equal to 2 grades.
According to the present invention, the fastening type connection component for connecting the two is equipped in the peripheral side of two points of adjacent valves；?
Main lobe is equipped with the adjustable connection component for connecting the two with the back side of minor lobe adjacent thereto.
According to the present invention, fastening type connection component is fastening catch assembly, and adjustable connection component is spring catch assembly.
Another aspect of the invention is related to a kind of design method of split-type antenna reflective face, includes the following steps: S1,
The position of cut-off rule is determined on the reflecting surface；Cut-off rule is translated first distance to its two sides respectively and second distance is formed by S2
The first side wall line and second sidewall line；S3, two of cut-off rule two sides are divided to opposite two side of valve correspondingly along the first side
Wall line and the setting of second sidewall line；S4, the first protrusion of arrangement and the second protrusion, wherein first is raised from two opposite sides
In a side extend and first protrusion end surface shape be configured to its to first protrusion where side-shift first away from
From when can be overlapped with the side, second protrusion extend from another side in two opposite sides and second protrusion
End surface shape is configured to be overlapped with the side when its side-shift second distance to the second protrusion place, and first is convex
It rises and the end face of the second protrusion leans at cut-off rule, be divided to valve in the normal orientation of two opposite sides to adjacent two
On positioned；S5 arranges the first locating piece and the second locating piece, and the first locating piece is arranged on the end face of the first protrusion,
Second locating piece, the first locating piece and the cooperation of the second locating piece are set on the end face of the first protrusion, existed to two points of adjacent valves
It is positioned both perpendicular to normal orientation and in both direction perpendicular to one another；Wherein, the first protrusion, the second protrusion, second
Locating piece and third locating piece constitute three-dimensional localization mechanism, which carries out two points of valves of cut-off rule two sides
The two are simultaneously divided to opposite two side of valve to be separated from each other by three-dimensional localization.
According to the present invention, the sum of first distance and second distance are located at the electrical property for not influencing split-type antenna reflective face
In range.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the advantages that
Split-type antenna reflective face of the invention, including at least two points of valves to link together, at adjacent two points
Three-dimensional localization mechanism is equipped between opposite two side of valve, which carries out two points of adjacent valves three-dimensional
It positions and two opposite sides is separated from each other.Avoid as a result, using by adjacent two be divided to two sides of valve into
The mode of row positioning, but it is divided to opposite two side of valve to be separated from each other and in addition using three-dimensional localization for adjacent two
Mechanism carries out three-dimensional localization, and then avoids and influenced by the flatness for the entire side for dividing valve, the error of Normal Displacement size
And the problem of making the position inaccurate between two points of adjacent valves, so that the split-type antenna reflective face is compared with its phase of the prior art
There is higher positioning accuracy between two points of adjacent valves.
The present invention relates to a kind of design method of split-type antenna reflective face, the split-type designed by the design method
Antenna reflective face avoids by the way of being divided to two sides of valve to be positioned by adjacent two, but by adjacent two
A opposite two side for being divided to valve is separated from each other and in addition carries out three-dimensional localization using three-dimensional localization mechanism, and then avoids
It is influenced by the flatness for the entire side for being divided to valve, the error of Normal Displacement size and makes the positioning between two points of adjacent valves
Inaccuracy problem so that the split-type antenna reflective face compared with the prior art between its two points of adjacent valve have it is higher fixed
Position precision.
Detailed description of the invention
Fig. 1 is one embodiment schematic front view of split-type antenna reflective face of the invention；
Fig. 2 is the first decomposition diagram of split-type antenna reflective face shown in Fig. 1, basically illustrate multiple points of valves it
Between decomposition；
Fig. 3 is that split-type antenna reflective face shown in Fig. 1 divides valve schematic illustration；
Fig. 4 is the first partial schematic diagram of split-type antenna reflective face shown in Fig. 1；
Fig. 5 is the second partial schematic diagram of split-type antenna reflective face shown in Fig. 1；
Fig. 6 is the partial exploded view of split-type antenna reflective face shown in Fig. 1；
Fig. 7 is the rearview of split-type antenna reflective face shown in Fig. 1, in the rearview, further it is shown that split-type
The backrest of antenna reflective face, backrest are omitted in Fig. 1-Fig. 6；
Fig. 8 is the decomposition diagram of split-type antenna reflective face shown in Fig. 7；Basically illustrate split-type antenna-reflected
Decomposition between face and backrest；
Fig. 9 is the third partial schematic diagram of split-type antenna reflective face shown in Fig. 8, is basically illustrated ladder-like pre-buried
Column；
Figure 10 is the 4th partial schematic diagram of split-type antenna reflective face shown in Fig. 8, basically illustrates stepped hole.
In figure:
1: three-dimensional localization mechanism；11: the first location structures；111: the first protrusions；112: the first locating pieces；12: the second is fixed
Bit architecture；121: the second protrusions；122: the second locating pieces；2: main lobe；3: the first minor lobes；4: the second minor lobes；5: target spot；6: fastening
Type connection component；7:: adjustable connection component；8: backrest；9: ladder-like pre- buried column；10: stepped hole；L: cut-off rule；A1: the first away from
From；A2: second distance.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to Figure 1 to Figure 7, one embodiment of split-type antenna reflective face of the invention comprising link together
At least two points of valves are equipped with three-dimensional localization mechanism 1, the three-dimensional localization between opposite two side that adjacent two are divided to valve
Mechanism 1 to adjacent two be divided to valve to carry out three-dimensional localization and two opposite sides are separated from each other (in Fig. 1 and Fig. 7, two
A side distance spaced apart is smaller, therefore is not shown).Wherein, " three-dimensional localization " is on three directions perpendicular to one another
Carry out space orientation, that is to say, that can the position of fixation member spatially by " three-dimensional localization ".
It is avoided by the way of being divided to opposite two side of valve to be positioned by adjacent two as a result, but will
Adjacent opposite two side for being divided to valve is separated from each other and in addition carries out three-dimensional localization using three-dimensional localization mechanism 1, in turn
Avoiding is influenced by the flatness for the entire side for being divided to valve, the error of Normal Displacement size and is made between two points of adjacent valves
Position inaccurate the problem of so that the split-type antenna reflective face compared with the prior art between its two points of adjacent valve have more
High positioning accuracy.
For same set of reflecting surface, same point of valve of different batches will realize interchangeability, not only the outer profile of each point of valve
Size will meet required precision, and the positioning divided between valve will also reach cooperation precision.In the present invention, each valve is divided to add respectively
Work can get high-precision surface profile, divides between valve and realizes high position precision by three-dimensional localization mechanism 1, therefore can be real
Existing same point of valve can be interchangeable between different set reflectings surface.
In addition, for point of theory, the focus of each point of valve be it is same, the curved surface profile of each point of valve is also same.
If position inaccurate between two points of adjacent valves, the focus of two points of adjacent valves will not be converged on the same point,
Then inevitably result in the aperture efficiency decline of antenna reflective face.In the present embodiment, by three-dimensional localization mechanism 1, from principle
All points of coplanar effects of valve can be met, and then ensure that the identity of the curved surface profile of point valve.
Referring to figs. 1 to Fig. 3, in the present embodiment, split-type antenna reflective face tool is there are four valve is divided, including a master
Valve 2 and three minor lobes.One minor lobe is connected to the top of main lobe 2, and another two is located at the two sides of main lobe 2, is located at two
Minor lobe of the minor lobe of side with main lobe 2 and positioned at 2 top of main lobe is connect.Three sides of main lobe 2 respectively with three minor lobe phases
Neighbour, three minor lobes are successively adjacent.It wherein, is easy description, when needing to distinguish different minor lobes, by side and main lobe 2
The minor lobe that connection and another two sides are connect with minor lobe is known as the first minor lobe 3, and the minor lobe that side is connect with main lobe 2 and minor lobe simultaneously is claimed
For the second minor lobe 4.Preferably, two above-mentioned three-dimensional localization mechanisms 1 are set between first minor lobe 3 and main lobe 2, in the second minor lobe 4
One three-dimensional localization mechanism 1 is set between the first minor lobe 3, three three localization machines are set between the second minor lobe 4 and main lobe 2
Structure.Wherein, the first minor lobe 3 and two the second minor lobes 4 mentioned by this paper be with its connection the quantity for dividing valve and position into
Capable definition, do not characterize the first minor lobe 3 and two the second minor lobes 4 shape be it is identical or different, do not characterize two pairs yet
Whether the shape of valve 4 is identical or different.In some embodiments, such as the shape of the outer periphery of two minor lobes 4 is different.
With continued reference to Fig. 1 to Fig. 7, in the present embodiment, three-dimensional localization mechanism 1 includes that the first location structure 11 and second is fixed
Bit architecture 12.Wherein, the first location structure 11 and the second location structure 12 are separately positioned on the opposite of two points of adjacent valves
On two sides, i.e., the first location structure 11 is set on adjacent two sides being divided in opposite two side of valve,
Second location structure 12 is set on another side, and the first location structure 11 and the second location structure 12 are matched to adjacent two
It is a that valve is divided to carry out three-dimensional localization.
More specifically, in the present embodiment, the first location structure 11 includes the first raised 111 and first locating piece 112, the
One protrusion 111 is extended by the side where the first location structure 11, and the edge face structure of the first protrusion 111 is it to first
It can be overlapped with the side when side-shift first distance A1 first distance A1 at 111 place of protrusion, in other words, the first protrusion
111 end face is parallel with the side where the first protrusion 111, wherein when the side is plane, the end face of the first protrusion 111
It also is plane, it is parallel that two planes constitute planes, and when the side is curved surface, the end face of the first protrusion 111 is also curved surface, and two
It is parallel that curved surface constitutes curved surface.Further, the first locating piece 112 is arranged on the end face of the first protrusion 111, the first locating piece 112
Selectively it can be integrally formed or be secured to the first protrusion 111 according to its specific configuration or is detachably connected.
Second location structure 12 includes the second protrusion 121 and the second locating piece 122, and the second protrusion 121 is tied by the second positioning
Side where structure 12 is extended, and the edge face structure of the second protrusion 121 is its side-shift to 121 place of the second protrusion
It can be overlapped with the side when second distance A2, in other words, side of the end face of the second protrusion 121 where with the second protrusion 121
In parallel, wherein when the side is plane, the end face of the second protrusion 121 is also plane, and two planes composition planes are parallel, when
When the side is curved surface, the end face of the second protrusion 121 is also curved surface, and it is parallel that two curved surfaces constitute curved surface.Further, the second positioning
Part 122 is arranged on the end face of the second protrusion 121, and the second locating piece 122 can be selectively convex with second according to its specific configuration
121 are played to be integrally formed or be secured to or detachably connected.
Wherein, the end face of the first protrusion 111 and the end face of the second protrusion 121 match and lean, the two end faces are total
Same-action is divided to valve to position in the normal orientation of two opposite sides to adjacent two, that is to say, that the first protrusion
111 end face and the end face of the second protrusion 121 constitute normal direction positioning surface.It is understood that in the prior art, using adjacent two
A opposite two side for being divided to valve, which leans, carries out positioning (two points of adjacent valves in the normal orientation of the two sides
In the normal direction of two sides that leans it is identical).And the present embodiment is equivalent to a part of a side in two sides
The end face that first distance A1 forms the first protrusion 111 is offset out, a part of another side in two sides is deviated
Second distance A2 forms the end face of the second protrusion 121, the normal direction of the two end faces and the first protrusion 111 and the second protrusion out
The normal direction of two sides where 121 is identical, and then the two end faces lean and valve can be divided to opposite two to adjacent two
It is positioned in the normal orientation of a side.
Further, the first locating piece 112 and the second locating piece 122 cooperation, to two points of adjacent valves at the same time perpendicular to
It is positioned in normal orientation and both direction perpendicular to one another.In other words, the first locating piece 112 and the second locating piece 122 are right
Two points of adjacent valves position in two directions perpendicular to each other, the two directions are also both perpendicular to the first raised 111 Hes
The normal orientation of side where second protrusion 121.
The first location structure 11 and the second locating piece 122 that first locating piece 112 and the first protrusion 111 are constituted as a result,
The second location structure 12 cooperation constituted with the second protrusion 121, realizes three-dimensional localization.In turn, by the first location structure 11
The three-dimensional localization mechanism 1 constituted with the second location structure 12 also achieves three-dimensional localization.
Compared to two points of adjacent valves entire side as normal direction positioning surface, it is convex using the first protrusion 111 and second
The end face for playing 121 is used as normal direction positioning surface, and flatness is easier to realize, especially preferably by first raised 111 and second
In the case that protrusion 121 is configured to and divides the integrally formed pre-embedded block of valve.Moreover it is preferred that the first protrusion 111 and the second protrusion
121 material is metal, it is further preferred that being stainless steel 1Cr18Ni9Ti.Divide the carbon fiber of valve in compared with the prior art
Mode of the side as positioning surface, using metal end face as positioning surface, positioning accuracy is higher.
Further, referring to Fig. 3, the design method of the split-type antenna reflective face of the present embodiment is described:
S1 determines the position of cut-off rule L on the reflecting surface；
Cut-off rule L is translated first distance A1 and second distance A2 to its two sides respectively and forms the first side wall line and the by S2
Two side wall lines；
The side of two points of valves of the two sides S3, cut-off rule L is correspondingly arranged along the first side wall line and second sidewall line；
S4, the first protrusion 111 of arrangement and the second protrusion 121, wherein the first protrusion 111 is from two opposite sides
One side is extended and the end surface shape of the first protrusion 111 is configured to it to the side-shift first where the first protrusion 111
It can be overlapped with the side when distance A1, the second protrusion 121 is extended and from another side in two opposite sides
The end surface shape of two protrusions 121 be configured to its to second protrusion 121 where side-shift second distance A2 when can be with the side
Face is overlapped, and the end face of the first protrusion 111 and the second protrusion 121 leans at cut-off rule L, exists to two points of adjacent valves
It is positioned in the normal orientation of two opposite sides；
S5 arranges the first locating piece 112 and the second locating piece 122, and the first positioning is arranged on the end face of the first protrusion 111
Part 112, is arranged the second locating piece 122 on the end face of the first protrusion 111, and the first locating piece 112 and the second locating piece 122 are matched
It closes, two points of adjacent valves is positioned perpendicular to normal orientation and in both direction perpendicular to one another at the same time；
Wherein, the first protrusion 111, the second protrusion 121, the second locating piece 122 and third locating piece constitute three-dimensional localization
Mechanism 1, the three-dimensional localization mechanism 1 carry out three-dimensional localization to two points of valves of the two sides cut-off rule L and divide the two to the opposite of valve
Two sides be separated from each other.
In conjunction with the above-mentioned description to split-type antenna reflective face, it is appreciated that the split-type designed by the design method
Antenna reflective face avoids by the way of being divided to two sides of valve to be positioned by adjacent two, but by adjacent two
A opposite two side for being divided to valve is separated from each other and in addition carries out three-dimensional localization using three-dimensional localization mechanism, and then avoids
It is influenced by the flatness for the entire side for being divided to valve, the error of Normal Displacement size and makes the positioning between two points of adjacent valves
Inaccuracy problem so that the split-type antenna reflective face compared with the prior art between its two points of adjacent valve have it is higher fixed
Position precision.
Preferably, in the present embodiment, one in the first locating piece 112 and the second locating piece 122 is positioning pin, another
A is dowel hole.Positioning pin is ladder pin, and small end is removably installed in the hole in the protrusion where it, dowel hole
It is arranged in the protrusion matched with protrusion where positioning pin.For example, with reference to Fig. 4 and Fig. 5, the first locating piece is dowel hole,
Second locating piece is positioning pin.
Preferably, first distance A1 be equal to second distance A2, and sum of the two be located at do not influence split-type antenna-reflected
In the range of the electrical property in face, i.e., adjacent two vertical ranges being divided between opposite two side of valve, which are located at, not to be influenced point
In the range of the electrical property of flap-type antenna reflective face.It is further preferred that adjacent two are divided between opposite two side of valve
Vertical range be less than or equal to 1mm.Certainly, if any particular/special requirement, one of ordinary skill in the art can using FInite Element come
The vertical range between two sides of the electrical property for not influencing split-type antenna reflective face is calculated.
Further, in the case where having a main lobe and at least two minor lobes, using typical more between each point of valve
Point cooperation.From the angle of tolerance fit, the part cooperation precision of multiple spot cooperation is lower than other parts.Preferably,
Minor lobe and the coupled cooperation precision divided between valve (minor lobe/main lobe) divide valve quantity corresponding be connected to the minor lobe,
At most divide from connection the minor lobe of valve at least divide to connection the minor lobe of valve, minor lobe and the coupled cooperation precision divided between valve according to
It is secondary to successively decrease, wherein two connected minor lobes respectively connect in the case where dividing valve quantity different, cooperation precision between the two
Equal to be connected with more divide valve minor lobes and other divide the cooperation precision between valve.It is further preferred that the decrement of cooperation precision
More than or equal to 2 grades.
Specific in the present embodiment, referring to Fig. 1, in main lobe 2 and 3 minor lobe of the split-type antenna reflective face, first
The needs of minor lobe 3 cooperate totally simultaneously with main lobe 2 and two the second minor lobes 4 (3 points of valves), and the second minor lobe 4 only needs and main lobe 2 and one
The cooperation of first minor lobe 3 (2 totally points of valves).Therefore, the first minor lobe 3 and other divide the second minor lobe of cooperation ratio of precision 4 between valve with
Other divide the cooperation precision between valve 2 grades low.Cooperation precision between first minor lobe 3 and the second minor lobe 4 be equal to the first minor lobe 3 with
Other divide the cooperation precision between valve (being main lobe 2 here).For example, H7/e8 is selected in the cooperation between main lobe 2 and the second minor lobe 4
Cooperate, the cooperation between the cooperation and the first minor lobe 3 and the second minor lobe 4 between the first minor lobe 3 and main lobe 2 selects H8/d9 to match
It closes.
Also, referring to Fig. 7, in the present embodiment, valve (the two of adjacent main lobe 2 and minor lobe/adjacent are divided at adjacent two
A minor lobe) peripheral side be equipped with the fastening type connection component 6 that connects the two, specific to the present embodiment, fastening type connection component 6
To fasten catch assembly.It is equipped in the first minor lobe 3 and the peripheral side of a minor lobe in two the second minor lobes 4 and connect the two
The peripheral side of one fastening type connection component 6, another minor lobe in the first minor lobe 3 and two the second minor lobes 4 is equipped with two
One fastening type connection component 6 of person's connection, the peripheral side of a minor lobe in main lobe 2 and two the second minor lobes 4 is equipped with will
One fastening type connection component 6 of the two connection, sets in main lobe 2 and the peripheral side of another minor lobe in two the second minor lobes 4
There is a fastening type connection component 6 for connecting the two, four fastening type connection components 6 are set altogether.It can be clear referring to Fig. 4 and Fig. 5
Find out clearly, fastening type connection component 6 includes the hasp and latch hook for being separately positioned on the periphery side edge of two points of adjacent valves.
With further reference to Fig. 7, the adjustable connection group for connecting the two is equipped with the back side of minor lobe adjacent thereto in main lobe 2
Part 7.In the present embodiment, adjustable connection component 7 is spring catch assembly.The spring catch assembly includes being separately positioned on main lobe
Two components on 2 back side and the back side of minor lobe, due to the retractility of spring, when adjacent the distance between two points of valves have
When fine tuning, two components can connect fastening.Certainly, the present invention is not limited to this, in other alternative-embodiments, adjustable company
Connected components are not limited to spring catch assembly, can also be other and are suitable for adjacent two and are divided to the fine tuning of the distance between valve by two
A component for dividing valve to connect.For example, two matching pieces being connected in adjustable connection component respectively can at the back side of two points of valves
It selectively slides and fixed, to realize the adaptability finely tuned to the distance between two points of adjacent valves.
The erection sequence of above-mentioned main lobe 2 and 3 minor lobe are as follows:
(1) the first minor lobe 3 is assembled on main lobe 2；
(2) two the second minor lobes 4 are respectively assembled on main lobe 2；
In assembling process, three-dimensional localization mechanism 1 plays the role of three-dimensional localization spatially, particularly, in the present embodiment
The positioning pin of description plays the role of guiding.
After mounting, the cooperation precision of main lobe 2 and two the second minor lobes 4 is higher, and the first minor lobe 3 is in main lobe 2 and two
Meet positioning accuracy under the collective effect of two minor lobes 4, at the same adjustable connection component 7 (spring catch assembly) can meet it is certain
Adjustment amount reaches self-compensating effect.
Further, referring to Fig. 1, in the front setting target spot 5 for dividing valve.Split-type antenna reflective face is applied in equipment or production
In product, the position of the split-type antenna reflective face can be calibrated by target spot 5, so as to be located on accurate position, this
Its design function of the sample split-type antenna reflective face competence exertion.
Referring to Fig. 8 to Figure 10, split-type antenna of the invention further includes backrest 8, and backrest 8 is detachably connected to point valve
The back side, one divided in the back side and backrest 8 of valve are equipped with ladder-like pre- buried column 9, another is equipped with cooperates with ladder-like pre- buried column 9
Stepped hole 10, ladder-like pre- buried column 9 and stepped hole 10 cooperate to dividing valve and backrest 8 to position.
Backrest 8 in split-type antenna reflective face of the invention and divide valve detachably connected and by ladder-like pre- buried column
9 position with the cooperation of stepped hole 10, compared to backrest 8 and the mode for dividing valve to be fixedly connected, improve efficiency when replacement divides valve, and
It is effectively guaranteed repeatable accuracy when dismounting backrest 8 every time.
Specific in the present embodiment, backrest 8 is connect with the back side of main lobe 2.Setting 6 is ladder-like on the back side of main lobe 2
Pre- buried column 9,3 stepped holes 10 are respectively arranged in two backrests 8, and ladder-like pre- buried column 9 and stepped hole 10 select basic hole system H8/f7 to match
It closes, can effectively guarantee the repeatable accuracy dismounted every time.
In addition, this divide it is detachably connected by screw between valve and backrest 8, for example, installing two by six screws
Backrest 8.
0.75 meter of bore parabolic reflecting surface is made in the split-type antenna reflective face of above-described embodiment, with four sets this 0.75
Rice bore parabolic reflecting surface is that research object is tested, and repeatability, interchangeability, removable backrest 8 have reached design mesh
's.The surface accuracy of the split-type antenna reflective face divides through three-dimensional measurement, the root-mean-square error σ of four split-type antenna reflective faces
It Wei not 0.12mm, 0.13mm, 0.13mm, 0.14mm.
According to Shandong hereby (J.Ruze) formula, when antenna reflective face is there are when surface error, aperture efficiency is fallen to
E in formulaδFor the aperture efficiency of loss, σ is reflecting surface root-mean-square error, and λ is operation wavelength.This formula indicates, by table
The loss of aperture efficiency caused by the mismachining tolerance of face and (σ/λ)2It is inversely proportional.That is, for the reflecting surface of same bore, table
Face precision is higher, then the efficiency of antenna loss is smaller.
Such as λ=9.68mm, when σ=0.5mm, the efficiency of antenna loss is
Such as λ=9.68mm, when σ=0.14mm, the efficiency of antenna loss is
By calculated result it is found that in λ=9.68mm, this reflecting surface can make the antenna loss efficiency as caused by surface accuracy
Decline 1.69dB.
By above-mentioned test it is found that split-type antenna reflective face of the invention can make the reduction of antenna loss efficiency.
Certainly, the description of the specific structure of the above-mentioned split-type antenna reflective face for the present embodiment is only an example,
In other embodiments of the invention, other optional selections can be used.For example, (the first locating piece 112/ second is fixed for locating piece
Position part 122) it can be arranged not as good as the present embodiment on the end face of protrusion (the first raised 111/ second protrusion 121), but it is single
The side of point valve is solely set.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of split-type antenna reflective face, including at least two points of valves to link together, which is characterized in that
It is equipped with three-dimensional localization mechanism (1) between opposite two side for being divided to valve described in adjacent two, the three-dimensional localization machine
Structure (1) is divided to valve to carry out three-dimensional localization and two opposite sides is separated from each other to described adjacent two；Wherein, institute
Stating three-dimensional localization mechanism (1) includes the first location structure (11) and the second location structure (12)；
Wherein, first location structure (11) and second location structure (12) are separately positioned on two opposite sides
On face, first location structure (11) and second location structure (12) are matched and are carried out to two points of adjacent valves
Three-dimensional localization；
Wherein, first location structure (11) includes first raised (111) and the first locating piece (112), first protrusion
(111) extended as the side where first location structure (11), the edge face structure of first raised (111) be it to
It can be overlapped with the side when side-shift first distance where first raised (111)；
Second location structure (12) includes second raised (121) and the second locating piece (122), described second raised (121)
Extended as the side where second location structure (12), the edge face structure of described second raised (121) is its Xiang Suoshu
It can be overlapped with the side when side-shift second distance where second raised (121)；
Wherein, the end face of described first raised (111) and the end face of described second raised (121) lean, to described adjacent
Two are divided to valve to be positioned in the normal orientation of two opposite sides, first locating piece (112) and described
Two locating pieces (122) cooperation is divided to valve at the same time perpendicular to the normal orientation and perpendicular to one another two to described adjacent two
It is positioned on a direction.
2. split-type antenna reflective face according to claim 1, which is characterized in that
On the end face of described first raised (111), second locating piece (122) is set for first locating piece (112) setting
It sets on the end face of described second raised (121)；And/or
One in first locating piece (112) and second locating piece (122) is positioning pin, another is positioning pin
Hole；And/or
Described first raised (111) and second raised (121) are pre-embedded block；And/or
The material of described first raised (111) and second raised (121) is metal.
3. split-type antenna reflective face according to claim 1 or 2, which is characterized in that
Vertical range between two opposite sides is located at the electrical property for not influencing the split-type antenna reflective face
In range.
4. split-type antenna reflective face according to claim 1 or 2, which is characterized in that
At least two points of valves are at least three points of valves, and at least three points of valves include a main lobe (2) and at least two
Minor lobe；
The minor lobe and the coupled cooperation precision divided between valve divide valve quantity corresponding be connected to the minor lobe, from even
It connects and at most divides the minor lobe of valve to the minor lobe at least dividing valve is connected, minor lobe and the coupled cooperation precision divided between valve are successively passed
Subtract, wherein in cooperation essence in the case where dividing valve quantity different, between the two minor lobes that two connected minor lobes respectively connect
Degree be equal to be connected with more divide valve minor lobes and other divide the cooperation precision between valve.
5. split-type antenna reflective face according to claim 4, which is characterized in that
The decrement of the cooperation precision is greater than or equal to 2 grades.
6. split-type antenna reflective face according to claim 4, which is characterized in that
The fastening type connection component (6) for connecting the two is equipped in the peripheral side of two points of adjacent valves；
The adjustable connection component (7) for connecting the two is equipped with the back side of the minor lobe adjacent thereto in the main lobe (2).
7. split-type antenna reflective face according to claim 6, which is characterized in that
The fastening type connection component (6) is fastening catch assembly, and the adjustable connection component (7) is spring catch assembly.
8. a kind of design method of split-type antenna reflective face, which comprises the steps of:
S1 determines the position of cut-off rule on the reflecting surface；
The cut-off rule is translated first distance to its two sides respectively and second distance forms the first side wall line and second sidewall by S2
Line；
S3, two of the cut-off rule two sides are divided to opposite two side of valve correspondingly along the first side wall line and second sidewall line
Setting；
S4, the first protrusion of arrangement and the second protrusion, wherein described first is raised from a side in two opposite sides
Face is extended and the end surface shape of first protrusion is configured to energy when its side-shift first distance to the first protrusion place
Enough to be overlapped with the side, described second raised extends and described second from another side in two opposite sides
The end surface shape of protrusion is configured to be overlapped with the side when its side-shift second distance to second protrusion place,
And the end face of first protrusion and second protrusion leans at the cut-off rule, to two points of adjacent valves
It is positioned in the normal orientation of two opposite sides；
S5 arranges the first locating piece and the second locating piece, and first locating piece is arranged on the end face of first protrusion,
Second locating piece, first locating piece and second locating piece cooperation are set on the end face of first protrusion, it is right
Two points of adjacent valves are positioned perpendicular to normal orientation and in both direction perpendicular to one another at the same time；
Wherein, first protrusion, second protrusion, second locating piece and third locating piece constitute three-dimensional localization machine
Structure, the three-dimensional localization mechanism carry out three-dimensional localization to two points of valves of the cut-off rule two sides and divide the two to the opposite of valve
Two sides are separated from each other.
9. the design method of split-type antenna reflective face according to claim 8, which is characterized in that
The sum of the first distance and the second distance are located at the model for not influencing the electrical property of the split-type antenna reflective face
In enclosing.
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| CN201510624505.XA CN105609966B (en) | 2015-09-25 | 2015-09-25 | Split-type antenna reflective face and its design method |
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| CN201510624505.XA CN105609966B (en) | 2015-09-25 | 2015-09-25 | Split-type antenna reflective face and its design method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723584A (en) * | 2012-05-31 | 2012-10-10 | 深圳光启创新技术有限公司 | Metamaterial satellite antenna and satellite receiving system |
| CN104393394A (en) * | 2014-11-21 | 2015-03-04 | 陕西欧赛通信科技有限公司 | Knapsack emergency satellite communication servo system |
| CN204216229U (en) * | 2014-12-11 | 2015-03-18 | 中国电子科技集团公司第五十四研究所 | A kind of split-type high accuracy full composite material antenna reflector |
| CN204966664U (en) * | 2015-09-25 | 2016-01-13 | 北京爱科迪通信技术股份有限公司 | Antenna plane of reflection subassembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2424774A1 (en) * | 2003-04-02 | 2004-10-02 | Norsat International Inc. | Collapsible antenna assembly for portable satellite terminals |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723584A (en) * | 2012-05-31 | 2012-10-10 | 深圳光启创新技术有限公司 | Metamaterial satellite antenna and satellite receiving system |
| CN104393394A (en) * | 2014-11-21 | 2015-03-04 | 陕西欧赛通信科技有限公司 | Knapsack emergency satellite communication servo system |
| CN204216229U (en) * | 2014-12-11 | 2015-03-18 | 中国电子科技集团公司第五十四研究所 | A kind of split-type high accuracy full composite material antenna reflector |
| CN204966664U (en) * | 2015-09-25 | 2016-01-13 | 北京爱科迪通信技术股份有限公司 | Antenna plane of reflection subassembly |
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