CN107404006A - A kind of solid face reflector for microwave reflection - Google Patents
A kind of solid face reflector for microwave reflection Download PDFInfo
- Publication number
- CN107404006A CN107404006A CN201610331239.6A CN201610331239A CN107404006A CN 107404006 A CN107404006 A CN 107404006A CN 201610331239 A CN201610331239 A CN 201610331239A CN 107404006 A CN107404006 A CN 107404006A
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- China
- Prior art keywords
- grid
- reflecting surface
- reflector
- actuator
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- H01Q15/147—Reflecting surfaces; Equivalent structures provided with means for controlling or monitoring the shape of the reflecting surface
Abstract
The invention provides the solid face reflector for microwave reflection, the reflector includes：Reflecting surface, on the panel of the solid face front reflector；First grid, in the supporting construction from the lateral process of reflecting surface one, separate the reflecting surface and form at least one unit grid；At least one actuator, it is fixed on first grid, controls the geometry of the reflecting surface.Using above-mentioned technical proposal, the type face precision of reflecting surface can be regulated and controled.Based on existing moulding process and machining accuracy, with reference to above-mentioned technical proposal, the reflector type face precision for consolidating face reflector can be improved.Meanwhile manufacturing cost, reduction process complexity and technology can be saved and realize difficulty.
Description
Technical field
The present invention relates to microwave communication and microwave observation field, especially a kind of solid face reflector for microwave reflection.
Background technology
Gu face reflector is widely used in Space Microwave communication and Space Microwave observation.Existing conventional solid face reflection
Device is without the function of type face precision active control.But with the continuous development of spatial observation and mechanics of communication, to microwave communication
Frequency and power requirement more and more higher.Therefore, the requirement to the solid face reflector type face precision of aperture lightweight is also constantly carrying
It is high.At present, substantially meet that system is reflected solid face by improving the accuracy of manufacture of reflector and the heat endurance of material
Demand of the device in rail type face precision.
Because existing manufacturing process, process equipment and material technology have all been used the limit.Therefore, Gu face reflector
The accuracy of manufacture will realize that further breakthrough is extremely difficult.It is in addition, enough in orbital stability and firm to there is solid face reflector
Degree, the quality of current solid face reflector is heavier, significantly increases launch cost.
Therefore, it is necessary to which a kind of new solid face reflector design, is realized to reflector foozle and in-orbit
The active control of deformation.Based on existing moulding process, machining accuracy, material, actuator and control technology, solid face is further improved
The reflector type face precision of reflector.Meanwhile manufacturing cost, reduction process complexity and technology can be saved and realize difficulty.
The content of the invention
, can be to its reflecting surface it is an object of the invention to provide a kind of solid face reflector in order to overcome above-mentioned technological deficiency
Error and deformation are regulated and controled, and are realized more high radio wave frequency, the transmitting of more powerful Space Microwave and are received.
The invention discloses a kind of solid face reflector for microwave reflection, the reflector includes：Reflecting surface, located at institute
On the panel for stating solid face front reflector；First grid, in the supporting construction from the lateral process of reflecting surface one, separate described anti-
The face of penetrating forms at least one unit grid；At least one actuator, it is fixed on first grid, controls the reflecting surface
Geometry.
Preferably, each unit grid is in polygon.
Preferably, each unit grid is triangular in shape.
Preferably, any one or more in a plurality of seamed edge of any one or more unit grids is provided with institute
State actuator.
Preferably, the end away from the reflecting surface has a groove on the seamed edge, for accommodating the actuator；Institute
Side of the both ends of actuator respectively with the groove is stated to be fixedly connected.
Preferably, there is the second grid in any one or more grill units；Second grid is from the reflecting surface
A lateral process, and second grid and the first grid are located at the homonymy of the reflecting surface, separate the unit grid and are formed
At least two micro- grill units.
Preferably, second grid is：A little prolong on from the angle point of the unit grid to the unit grid seamed edge
The shape stretched；The shape extended from the core of the unit grid to the unit grid angle point；From the unit grid
Core to some shape of extension on the unit grid seamed edge；In the adjacent side for connecting the unit grid respectively
One kind in the shape of any.
Preferably, the rising height of second grid is less than the rising height of first grid.
Preferably, the actuator receives an external voltage, and the external voltage drives the actuator dilatation, made
The actuator is acted in the thrust in first grid.
After employing above-mentioned technical proposal, compared with prior art, have the advantages that：
1. can reach more preferably type face precision under identical reflecting surface size, realize the more spatial emission of high radio wave frequency with
Receive；
2. can reach larger sized solid face reflector manufacture under the precision conditions of phase homotype face, more high radio wave frequency is realized
Spatial emission and reception；
3. difficulty can be realized with larger saving manufacturing cost, reduction process complexity and technology；
4. reducing launch cost, the active control of in-orbit deformation is realized.
Brief description of the drawings
Fig. 1 is the structural representation for meeting solid face reflector in the preferred embodiment of the present invention；
Fig. 2 a- Fig. 2 d are the structural representation for meeting the solid face reflector with the second grid in the preferred embodiment of the present invention
Figure；
Fig. 3 a- Fig. 3 e are respectively the micro- grill unit structural representation for meeting the second grid in the different preferred embodiments of the present invention
Figure.
Reference：
100- reflectors, 110- reflectings surface, the grids of 120- first, 121- units grid, 122- grooves, 130- actuator,
The grids of 140- second, the micro- grill units of 141-.
Embodiment
Advantages of the present invention is expanded on further below in conjunction with accompanying drawing and specific embodiment.
Refering to Fig. 1, the solid face reflector 100 for being transmitted to Space Microwave is shown.Reflector 100 is antenna
A part.When antenna receives electromagnetic wave, the electromagnetic wave of incidence is focused to feedback member and received by reflector 100.When antenna is sent out
During radio magnetic wave, feedback member is by electromagnetic radiation to reflector 100 and by reflector 100 by reflection of electromagnetic wave to space.Gu face is anti-
Emitter 100 is one kind of reflector 100, and it has been specifically included：Reflecting surface 110, the first grid 120 and actuator 130.Specifically
Ground：
- reflecting surface 110 is the anterior carbon fiber composite panel of solid face reflector 100, if the ripple of transmitted electromagnetism
Frequency is relatively low, then carbon fiber composite panel can be directly used for reflection electromagnetic wave；If the frequency of transmitted electromagnetic wave is higher,
The very thin metal level of last layer need to then be added in carbon fiber composite panel, to improve reflection of electromagnetic wave efficiency.
- the first grid 120 is from the upper process of reflecting surface 110, and in a supporting construction, the direction of its projection can be perpendicular to instead
Penetrate the direction in face 110, or the oblique direction with vertical direction at an angle.First grid 120 enters to the entirety of reflecting surface 110
Row segmentation, then between multiple grille strips of the first grid 120 formed with small-sized grill unit structure --- a unit grid 121,
The quantity of unit grid 121 can adjust according to the area of reflecting surface 110 and the required rigidity of structure.
- actuator 130 is fixed on the first grid 120, and length change is carried out when actuator 130 is controlled by external drive
When, it is possible to achieve deformation and surface contour error to reflecting surface 110 regulate and control.The length elongation of actuator 130 or shortening, it will push away
Dynamic or the first grid 120 of pulling produces in-plane bending, and then the face by the axial deformation of actuator 130 by the first grid 120
It is the out-of-plane deformation of reflecting surface 110 that interior bending, which is transmitted,.By ground survey system or inflight measurement system, it is anti-that solid face can be obtained
Type face geometry of the emitter 100 at the moment, its difference with required type face geometry is that required type face regulates and controls
Amount.Using evolution of feedback controlling theory mating type face control algolithm, can be computed obtaining the change required for each actuator 130
Amount.Each actuator 130 is changed the active deformation control that can realize the type face of reflector 100 according to required variable quantity
System, and then significantly lift the geometric accuracy of reflector 100.
In one preferred embodiment, the grille strip point three or multiple directions of the first grid 120 separate reflecting surface 110, then different
The unit grid 121 that the grille strip in direction separates and gone out is triangular in shape or polygon.Preferably, single grid is triangular in shape, more
In particular equilateral triangle.Actuator 130 is then arranged on the rib of triangular element grid 121 or polygonal element grid 121
Bian Shang, it is one or more of settable in three seamed edges, and can select to need to set actuator according to the requirement of user
The quantity and installation position of 130 unit grid 121.When actuator 130 is fixedly installed, formed based on the first grid 120
Groove 122 is opened up on the seamed edge of unit grid 121, specifically, the groove 122 is arranged on the end away from reflecting surface 110 on seamed edge
Portion, exceptional space possessed by groove 122, it can be used as accommodating actuator 130, the both ends of actuator 130 are respectively fixedly connected with
The side of groove 122.
When actuator 130 extends, end of the groove 122 away from reflecting surface 110 will be softened, what actuator 130 provided
The one end of the first grid 120 connected to reflecting surface 110 is produced a moment of flexure by thrust, and then is driven outside the generation face of reflecting surface 110
Flexural deformation；When actuator 130 shortens, end of the groove 122 away from reflecting surface 110 will be pulled back, what actuator 130 provided
The one end of the first grid 120 connected to reflecting surface 110 is produced a moment of flexure by pulling force, is similarly driven outside the generation face of reflecting surface 110
Flexural deformation.Above two start direction drives the type face of reflecting surface 110 of solid face reflector 100 to produce two kinds of reverse changes respectively
Shape trend, and then change its surface-type feature.
Refering to Fig. 2 a-2d, preferably or alternatively, in the inner space of any cell grid 121, include the second lattice
Grid 140, the second grid 140 equally can be identical with the first grid 120 from the protrusion of surface of the side of reflecting surface 110, projection direction.By
In the setting of the second grid 140, unit grid 121 is divided into the structure of at least two micro- grill units 141.For example, second
When grid 140 is a grid grizzly bar, unit grid 121 can be divided into two micro- grill units 141.When the institute of the second grid 140
When the grille strip having is a plurality of, the micro- grill unit 141 being separated is also to be multiple.Due to the solid face reflection for microwave
The size of device 100 is relatively all bigger, and the thickness of the first grid 120 is all smaller, therefore be joined directly together with the first grid 120
The rigidity of structure in 110 uniform region of reflecting surface and the region of reflecting surface 110 without the support of the first grid 120 has differences.If reflection
Certain stress is born in face 110, and phenomenon is mirrored by have the first grid 120 on reflecting surface 110.Mirroring phenomenon can be certain
Degree on influence the type face precision of solid face reflector 100, therefore, the effect of the second grid 140 exactly can effectively suppress to reflect
Occur as the further controllability for improving system.
With continued reference to Fig. 3 a-3e, the structure of the second grid 140 can have diversified forms.For example, in the shape of the first grid 120
Into unit grid 121 for equilateral triangle embodiment in, the second grid 140 be three seamed edges of equilateral triangle in
Line, or the center of equilateral triangle respectively pinpoint the shape of extension towards triangle, or equilateral triangle center towards each
The shape of side midpoint extension, or each seamed edge midpoint of equilateral triangle interconnect, and form four microminiature equilateral triangles, then
Or the trisection point of each seamed edge of equilateral triangle interconnects, nine microminiature equilateral triangles are formed.It is understood that
The structure of second grid 140 is not limited to above-mentioned lifted embodiment, and the second grid 140 of various structures can be used, unit
It is equal that the core or angle point of point towards unit grid 121 on the angle point or core of grid 121 extend the shape to be formed
It is applicable, and the quantity of micro- grill unit 141 is more, the effect for suppressing to mirror phenomenon is better.
Further preferably or alternatively, the rising height of the second grid 140 is less than the rising height of the first grid 120,
Or further, the rising height of the second grid 140 is much smaller than the rising height of the first grid 120, then suppressing to mirror now
As on the basis of, the weight band of solid face reflector 100 will not significantly be increased, the controllability of system there will not be significantly
Reduce.
Actuator 130 is connected with an external power source, receives external voltage signal, when external voltage raises, actuator 130
Length elongation, and when external voltage reduces, the length of actuator 130 reduces.The dilatation of actuator 130 provides work
Used in the thrust of the first grid 120, so as to realize to actuator 130 and the regulation and control of the micron dimension of reflecting surface 110.
It should be noted that embodiments of the invention have preferable implementation, and not the present invention is made any type of
Limitation, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, above example is made according to technical spirit of the invention
Any modification or equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (9)
- A kind of 1. solid face reflector for microwave reflection, it is characterised in thatThe reflector includes：Reflecting surface, on the panel of the solid face front reflector；First grid, in the supporting construction from the lateral process of reflecting surface one, separate the reflecting surface and form at least one unit Grid；At least one actuator, it is fixed on first grid, controls the geometry of the reflecting surface.
- 2. consolidate face reflector as claimed in claim 1, it is characterised in thatEach unit grid is in polygon.
- 3. consolidate face reflector as claimed in claim 2, it is characterised in thatEach unit grid is triangular in shape.
- 4. consolidate face reflector as claimed in claim 2, it is characterised in thatAny one or more in a plurality of seamed edge of any one or more unit grids is provided with the actuator.
- 5. consolidate face reflector as claimed in claim 4, it is characterised in thatThe end away from the reflecting surface has a groove on the seamed edge, for accommodating the actuator；Side of the both ends of the actuator respectively with the groove is fixedly connected.
- 6. consolidate face reflector as claimed in claim 1, it is characterised in thatThere is the second grid in any one or more grill units；Second grid is from a lateral process of the reflecting surface, and second grid and the first grid are located at the reflecting surface Homonymy, separate the unit grid and form at least two micro- grill units.
- 7. consolidate face reflector as claimed in claim 6, it is characterised in thatSecond grid is：The shape a little extended on from the angle point of the unit grid to the unit grid seamed edge；The shape extended from the core of the unit grid to the unit grid angle point；The shape a little extended on from the core of the unit grid to the unit grid seamed edge；One kind in the shape of any in the adjacent side of the unit grid is connected respectively.
- 8. consolidate face reflector as claimed in claim 6, it is characterised in thatThe rising height of second grid is less than the rising height of first grid.
- 9. consolidate face reflector as claimed in claim 1, it is characterised in thatThe actuator receives an external voltage, and the external voltage drives the actuator dilatation, makes the actuator Act in the thrust in first grid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331239.6A CN107404006B (en) | 2016-05-18 | 2016-05-18 | Solid surface reflector for microwave reflection |
| PCT/CN2017/084588 WO2017198157A1 (en) | 2016-05-18 | 2017-05-16 | Solid-surface reflector for microwave reflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331239.6A CN107404006B (en) | 2016-05-18 | 2016-05-18 | Solid surface reflector for microwave reflection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107404006A true CN107404006A (en) | 2017-11-28 |
| CN107404006B CN107404006B (en) | 2020-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610331239.6A Active CN107404006B (en) | 2016-05-18 | 2016-05-18 | Solid surface reflector for microwave reflection |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107404006B (en) |
| WO (1) | WO2017198157A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824918A (en) * | 2019-10-31 | 2020-02-21 | 大连理工大学 | Adaptive control method for shape surface of antenna reflector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375705B (en) * | 2019-08-20 | 2020-07-21 | 大连理工大学 | Antenna reflector and profile deformation measuring method and contrast measuring method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7301508B1 (en) * | 2006-10-10 | 2007-11-27 | The United States Of America As Represented By The Secretary Of The Air Force | Optimization of near field antenna characteristics by aperture modulation |
| CN101257149A (en) * | 2008-04-10 | 2008-09-03 | 西安电子科技大学 | Method for dividing aerial reflecting plane graticule based on structure electromagnetic coupling |
| CN102520678A (en) * | 2011-11-04 | 2012-06-27 | 中国科学院国家天文台南京天文光学技术研究所 | Remote control system for active reflection panel of radio telescope |
| CN104617399A (en) * | 2015-02-09 | 2015-05-13 | 中国电子科技集团公司第五十四研究所 | Method for splicing large-area reflector antenna comprising multi-panel units |
-
2016
- 2016-05-18 CN CN201610331239.6A patent/CN107404006B/en active Active
-
2017
- 2017-05-16 WO PCT/CN2017/084588 patent/WO2017198157A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7301508B1 (en) * | 2006-10-10 | 2007-11-27 | The United States Of America As Represented By The Secretary Of The Air Force | Optimization of near field antenna characteristics by aperture modulation |
| CN101257149A (en) * | 2008-04-10 | 2008-09-03 | 西安电子科技大学 | Method for dividing aerial reflecting plane graticule based on structure electromagnetic coupling |
| CN102520678A (en) * | 2011-11-04 | 2012-06-27 | 中国科学院国家天文台南京天文光学技术研究所 | Remote control system for active reflection panel of radio telescope |
| CN104617399A (en) * | 2015-02-09 | 2015-05-13 | 中国电子科技集团公司第五十四研究所 | Method for splicing large-area reflector antenna comprising multi-panel units |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824918A (en) * | 2019-10-31 | 2020-02-21 | 大连理工大学 | Adaptive control method for shape surface of antenna reflector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107404006B (en) | 2020-06-09 |
| WO2017198157A1 (en) | 2017-11-23 |
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Address after: Room 208, building 5, No.16, Zhuantang science and technology economic block, Xihu District, Hangzhou City, Zhejiang Province, 310024 Patentee after: Aerospace Yuesheng (Hangzhou) Information Technology Co.,Ltd. Address before: 200240 room 325, building 1, 950 Jianchuan Road, Minhang District, Shanghai Patentee before: SHANGHAI YS INFORMATION TECHNOLOGY Co.,Ltd. |