CN109616741A - Active matrix driving two-dimensional development formula antenna - Google Patents
Active matrix driving two-dimensional development formula antenna Download PDFInfo
- Publication number
- CN109616741A CN109616741A CN201811358269.1A CN201811358269A CN109616741A CN 109616741 A CN109616741 A CN 109616741A CN 201811358269 A CN201811358269 A CN 201811358269A CN 109616741 A CN109616741 A CN 109616741A
- Authority
- CN
- China
- Prior art keywords
- driving motor
- motor component
- active matrix
- axis driving
- dimensional development
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
Abstract
The present invention provides a kind of active matrix driving two-dimensional development formula antennas, it include: installation base plate, heat insulating mattress, driving mechanism pedestal, back-shaped frame, antenna base, X-axis driving motor component, Y-axis driving motor component, connection frame, locking relieving mechanism, structure of the invention is compact, size is small in short transverse, it is provided with the load that larger size mounting plane is applicable to big mounting surface requirement, mechanism overall stiffness is big, to ensure that output accuracy；Used armful is grabbed mode with biggish locking contact surface, it can be achieved that high-intensitive locking.
Description
Technical field
The present invention relates to a kind of active matrix driving two-dimensional development formula antennas.
Background technique
With the maturation development of modern aerospace technology, space exploration activity is more and more frequent, task is also more and more multiple
It is miscellaneous, especially using space station, Lunar Probe Project and mars exploration engineering as representative.At the same time, star or star between the data transmitted
Amount is also continuously increased.In order to meet the increased demand of transmitted data amount, usually passed by improving antenna gain to improve data
Defeated speed.This makes the beam angle of antenna also become very narrow, and being directed toward uncertainty can be at the gain reduction of specific region, very
It is unsmooth to causing communication link to connect.Therefore, many antennas are designed to have the function of two-dimensional rotary and orientation.
As satellite antenna gain is increased, antenna aperture and weight are increasing, and structure becomes increasingly complex, for installing two
The space for tieing up directing mechanism is limited, while also bringing very big difficulty to the installation operation of two-dimensional pointing mechanism.Meanwhile for building
With founding star or inter-satellite link needs, and satellite antenna is also very high to the pointing accuracy requirement of specific region, this needs is referred to by two dimension
It is realized to mechanism.
It due to launching phase vibration environment very severe, needs antenna mechanism collapsing to designated state and is locked, keep away
Exempt from that antenna mechanism is uncontrolled to be caused itself to damage and collide other load.Some existing satellite antennas, only rely on the guarantor of motor
Holding force square realizes that the position of directing mechanism is kept, and keeps rigidity low and influence vulnerable to external interference, there are larger security risks.
Summary of the invention
The purpose of the present invention is to provide a kind of active matrix driving two-dimensional development formula antennas, are able to solve existing spaceborne day
Line, the position for only relying on the holding torque realization directing mechanism of motor are kept, and keep rigidity low and influence vulnerable to external interference,
There are problems that larger security risk.
To solve the above problems, the present invention provides a kind of active matrix driving two-dimensional development formula antenna, comprising: installation base plate, every
Heat pad, driving mechanism pedestal, back-shaped frame, antenna base, X-axis driving motor component, Y-axis driving motor component, connection frame, lock
Tight relieving mechanism, wherein
The driving mechanism pedestal and locking relieving mechanism be installed on the installation base plate, the driving mechanism pedestal with
There is the heat insulating mattress to do between installation base plate to be isolated, have between locking relieving mechanism and the installation base plate heat insulating mattress do every
From；
The X-axis driving motor component is fixedly installed on the driving mechanism pedestal, the X-axis driving motor component
Output end is fixedly connected with the back-shaped frame, and the X-axis driving motor component is turned by the back-shaped frame around X-direction
It is dynamic；
The Y-axis driving motor component is fixedly installed on the back-shaped frame, the output of the Y-axis driving motor component
End is fixedly connected with the antenna base, and the Y-axis driving motor component is rotated by the antenna base around Y direction；
The connection frame, the lock of corresponding position are respectively fixedly connected in the X-axis and Y direction of the antenna base
Tight relieving mechanism in the locked condition blocks the connection frame, limits the X-axis driving motor component and Y-axis driving motor group
Part rotation.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, the X-axis driving motor component and Y-axis driving
The rotation axis right-angled intersection of electric machine assembly.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, the X-axis driving motor component of the right-angled intersection
Having a size of 300mm × 275mm × 168mm, the X-axis of the right-angled intersection drives length, width and height envelope with Y-axis driving motor component
Floor height away from driving mechanism pedestal described in the center of gravity of electric machine assembly and Y-axis driving motor component is 84mm.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, the back-shaped frame uses symmetrical structure, described
Back-shaped frame, driving mechanism pedestal are both ends support.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, the X-axis driving motor component and Y-axis driving
Electric machine assembly comprising modules structure.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, the locking relieving mechanism is blocking the company
After connecing frame, there is the coupling mechanism force more than or equal to 7100N.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, the locking relieving mechanism expansion is by torsion bullet
Spring driving, torsional moment is 0.4N.m when locking, and expanding in place state torque is 0.17N.m.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, it is provided with claw on the locking relieving mechanism,
The claw in the locked condition blocks the connection frame, and the inner surface of the claw is coated with carbonization tungsten film.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, the tungsten carbide membrane coat with a thickness of 0.2mm
±0.05mm；The bond strength of the carbonization tungsten film is more than or equal to 45MPa；When service load is 3.0KN, the carbonization tungsten film
The secondary confficient of static friction of friction be more than or equal to 0.5.
Further, in above-mentioned active matrix driving two-dimensional development formula antenna, in the active matrix driving two-dimensional development formula antenna
There is contact and the face relatively rotated is coated with MoS2 solid lubricant film
Compared with prior art, the present invention is allowed to compared with prior art, has due to taking above-mentioned design scheme
Have the advantages that following:
Active matrix driving two-dimensional development formula antenna provided by the invention, compact-sized, size is small in short transverse, be provided with compared with
Large scale mounting plane is applicable to the load of big mounting surface requirement, and mechanism overall stiffness is big, to ensure that output accuracy；Institute
What is used embraces mode of grabbing with biggish locking contact surface, it can be achieved that high-intensitive locking.
Detailed description of the invention
Fig. 1 is the locking state schematic diagram of the active matrix driving two-dimensional development formula antenna of one embodiment of the invention；
Fig. 2 is the release conditions schematic diagram of the active matrix driving two-dimensional development formula antenna of one embodiment of the invention；
Fig. 3 is the direction status diagram of the active matrix driving two-dimensional development formula antenna of one embodiment of the invention；
Wherein, 1- installation base plate, 2- heat insulating mattress, the back-shaped frame of 3-, 4- driving mechanism pedestal, 5-X axis driving motor component,
6-Y axis driving motor component, 7- antenna base, 8- connection frame, 9- lock relieving mechanism, 901- priming system cutter, 902- card
Pawl, 903- compressor arm, 904- compress headgear, 905- torsionspring.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in Figures 1 to 3, the present invention provides a kind of active matrix driving two-dimensional development formula antenna, comprising: installation base plate 1, heat-insulated
Pad 2, driving mechanism pedestal 4, back-shaped frame 3, antenna base 7, X-axis driving motor component 5, Y-axis driving motor component 6, connection
Frame 8, locking relieving mechanism 9, wherein
The driving mechanism pedestal 4 and locking relieving mechanism 9 are installed on the installation base plate 1, the driving mechanism base
There is the heat insulating mattress 2 to do between seat 4 and installation base plate 1 to be isolated, have between the locking relieving mechanism 9 and installation base plate 1 described
Heat insulating mattress 2, which is done, is isolated；
The X-axis driving motor component 5 is fixedly installed on the driving mechanism pedestal 4, the X-axis driving motor component
5 output end is fixedly connected with the back-shaped frame 3, and the X-axis driving motor component 5 is by the back-shaped frame 3 around X-axis side
To rotation；
The Y-axis driving motor component 6 is fixedly installed on the back-shaped frame 3, the Y-axis driving motor component 6
Output end is fixedly connected with the antenna base 7, and the Y-axis driving motor component 6 is by the antenna base 7 around Y direction
Rotation；
The connection frame 8 is respectively fixedly connected in the X-axis and Y direction of the antenna base 7, corresponding position
Locking relieving mechanism 9 in the locked condition blocks the connection frame 8, limits the X-axis driving motor component 5 and Y-axis driving
Electric machine assembly 6 rotates, and realizes the locking of driving directing mechanism；When needing to discharge, priming system cutter 901 detonates, locking release
Mechanism 9 discharges, and driving directing mechanism can realize day under the driving of X-axis driving motor component 5 and Y-axis driving motor component 6
Line expansion is directed toward.
Here, the present invention, which is suitable for spacecraft, the antenna of two-dimentional direction-pointing function requirement, have integration degree is high,
Simple and compact for structure, the advantages that mechanism rigidity is big, locking torque is big, locking release is reliable.
In one embodiment of active matrix driving two-dimensional development formula antenna of the invention, the X-axis driving motor component 5 and Y-axis are driven
The rotation axis right-angled intersection of dynamic electric machine assembly 6, so that structural compactness is improved, under zero-bit state, the X of the right-angled intersection
The length, width and height envelope of axis driving motor component 5 and Y-axis driving motor component 6 is having a size of 300mm × 275mm × 168mm, and described ten
Floor height away from driving mechanism pedestal 4 described in the center of gravity of X-axis driving motor component 5 and Y-axis driving motor component 6 that word intersects
For 84mm.
In one embodiment of active matrix driving two-dimensional development formula antenna of the invention, the back-shaped frame 3 uses symmetrical structure, institute
State back-shaped frame 3, driving mechanism pedestal 4 is both ends support, improve the rigidity of structure to ensure that direction output accuracy.
In one embodiment of active matrix driving two-dimensional development formula antenna of the invention, the X-axis driving motor component 5 and Y-axis are driven
Dynamic 6 comprising modules structure of electric machine assembly independent disassembling can be carried out in the case where not influencing directing mechanism integral installation state
Maintenance, or replacement driving assembly is to obtain different rotating property index adaption demands；
In one embodiment of active matrix driving two-dimensional development formula antenna of the invention, the locking relieving mechanism 9 block (embrace
With) after the connection frame 8, there is the coupling mechanism force more than or equal to 7100N, can effectively lock driving directing mechanism, it is avoided to shake
It is uncontrolled under rotating ring border.
In one embodiment of active matrix driving two-dimensional development formula antenna of the invention, the expansion of locking relieving mechanism 9 is by reversing
Spring 905 drives, and torsional moment is 0.4N.m when locking, and expanding in place state torque is 0.17N.m, and excess torque is by claw pressure
Tightly on pedestal, its free movement is avoided to influence directing mechanism movement.
In one embodiment of active matrix driving two-dimensional development formula antenna of the invention, card is provided on the locking relieving mechanism 9
Pawl 902, the claw 902 in the locked condition block the connection frame 8, to guarantee that the claw 902 is contacted with connection frame 8
The frictional force in face, the inner surface of the claw 902 are coated with tungsten carbide (WC) film.
In one embodiment of active matrix driving two-dimensional development formula antenna of the invention, tungsten carbide (WC) membrane coat with a thickness of
0.2mm±0.05mm；The bond strength of tungsten carbide (WC) film is more than or equal to 45MPa；When service load is 3.0KN, institute
The confficient of static friction for stating the friction pair of tungsten carbide (WC) film is more than or equal to 0.5.
In one embodiment of active matrix driving two-dimensional development formula antenna of the invention, in the active matrix driving two-dimensional development formula antenna
There is contact and the face relatively rotated is coated with MoS2 solid lubricant film, which can provide vacuum for relative motion part
Lubricant effect under environment is to reduce frictional resistance.
Specifically, Fig. 1 is a kind of locking state schematic diagram of active matrix driving two-dimensional development formula antenna provided by the invention.
In this state, locking relieving mechanism 9 be in locking state, specifically, locking relieving mechanism 9 claw 902 and
Corresponding connection frame face paste is closed on two-dimensional pointing mechanism, is locked by compressor arm 903, driving mechanism can not move at this time, can send out
It penetrates the stage and resists ambient vibration；
Fig. 2 is a kind of release conditions schematic diagram of active matrix driving two-dimensional development formula antenna provided by the invention；
After reaching in-orbit state, is triggered by instruction control priming system cutter 901, compressor arm 903 is cut off, is existed at this time
Lower or so the claw 902 of the effect of torsionspring 905 is unfolded, since torsionspring 905 is there are excess torque when moving to limit state,
Claw 902 can be pressed at position limiting structure.Locking relieving mechanism 9 is completely discharged to position at this time, and will not be to driving direction machine
It is configured to movement interference.
Fig. 3 is a kind of direction status diagram of active matrix driving two-dimensional development formula antenna provided by the invention；
Under the driving of X-axis driving motor 5 and Y-axis driving motor 6, mechanism can realize the rotation of both direction, two axis
Movement is mutually indepedent, and Overlay is the output of entire driving directing mechanism, realizes to being mounted on antenna on antenna base 7
Two dimension is directed toward.
In conclusion the present invention is allowed to compared with prior art, has following due to taking above-mentioned design scheme
The advantages of:
Active matrix driving two-dimensional development formula antenna provided by the invention, compact-sized, size is small in short transverse, be provided with compared with
Large scale mounting plane is applicable to the load of big mounting surface requirement, and mechanism overall stiffness is big, to ensure that output accuracy；Institute
What is used embraces mode of grabbing with biggish locking contact surface, it can be achieved that high-intensitive locking.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Obviously, those skilled in the art can carry out various modification and variations without departing from spirit of the invention to invention
And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it
Interior, then the invention is also intended to include including these modification and variations.
Claims (10)
1. a kind of active matrix driving two-dimensional development formula antenna characterized by comprising installation base plate, heat insulating mattress, driving mechanism base
Seat, back-shaped frame, antenna base, X-axis driving motor component, Y-axis driving motor component, connection frame, locking relieving mechanism,
In,
The driving mechanism pedestal and locking relieving mechanism are installed on the installation base plate, the driving mechanism pedestal and installation
There is the heat insulating mattress to do between substrate to be isolated, there is the heat insulating mattress to do between locking relieving mechanism and the installation base plate and be isolated；
The X-axis driving motor component is fixedly installed on the driving mechanism pedestal, the output of the X-axis driving motor component
End is fixedly connected with the back-shaped frame, and the X-axis driving motor component is rotated by the back-shaped frame around X-direction；
The Y-axis driving motor component is fixedly installed on the back-shaped frame, the output end of the Y-axis driving motor component with
The antenna base is fixedly connected, and the Y-axis driving motor component is rotated by the antenna base around Y direction；
The connection frame is respectively fixedly connected in the X-axis and Y direction of the antenna base, the locking of corresponding position is released
Laying mechanism in the locked condition blocks the connection frame, limits the X-axis driving motor component and Y-axis driving motor component turns
It is dynamic.
2. active matrix driving two-dimensional development formula antenna as described in claim 1, which is characterized in that the X-axis driving motor component
With the rotation axis right-angled intersection of Y-axis driving motor component.
3. active matrix driving two-dimensional development formula antenna as claimed in claim 2, which is characterized in that the X-axis of the right-angled intersection is driven
The length, width and height envelope of dynamic electric machine assembly and Y-axis driving motor component is having a size of 300mm × 275mm × 168mm, the right-angled intersection
X-axis driving motor component and Y-axis driving motor component center of gravity described in the floor height away from driving mechanism pedestal be 84mm.
4. active matrix driving two-dimensional development formula antenna as described in claim 1, which is characterized in that the back-shaped frame is using symmetrical
Structure, the back-shaped frame, driving mechanism pedestal are both ends support.
5. active matrix driving two-dimensional development formula antenna as described in claim 1, which is characterized in that the X-axis driving motor component
With Y-axis driving motor component comprising modules structure.
6. active matrix driving two-dimensional development formula antenna as described in claim 1, which is characterized in that the locking relieving mechanism is in card
After connection frame is stated in residence, there is the coupling mechanism force more than or equal to 7100N.
7. active matrix driving two-dimensional development formula antenna as described in claim 1, which is characterized in that the locking relieving mechanism expansion
It is driven by torsionspring, torsional moment is 0.4N.m when locking, and expanding in place state torque is 0.17N.m.
8. active matrix driving two-dimensional development formula antenna as described in claim 1, which is characterized in that set on the locking relieving mechanism
It is equipped with claw, the claw in the locked condition blocks the connection frame, and the inner surface of the claw is coated with carbonization tungsten film.
9. active matrix driving two-dimensional development formula antenna as described in claim 1, which is characterized in that the thickness of the tungsten carbide membrane coat
Degree is 0.2mm ± 0.05mm；The bond strength of the carbonization tungsten film is more than or equal to 45MPa；When service load is 3.0KN, institute
The confficient of static friction for stating the friction pair of carbonization tungsten film is more than or equal to 0.5.
10. active matrix driving two-dimensional development formula antenna as described in any one of claim 1 to 9, which is characterized in that the active drive
There is contact in dynamic two-dimensional development formula antenna and the face relatively rotated is coated with MoS2 solid lubricant film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358269.1A CN109616741A (en) | 2018-11-15 | 2018-11-15 | Active matrix driving two-dimensional development formula antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358269.1A CN109616741A (en) | 2018-11-15 | 2018-11-15 | Active matrix driving two-dimensional development formula antenna |
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| Publication Number | Publication Date |
|---|---|
| CN109616741A true CN109616741A (en) | 2019-04-12 |
Family
ID=66004500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811358269.1A Pending CN109616741A (en) | 2018-11-15 | 2018-11-15 | Active matrix driving two-dimensional development formula antenna |
Country Status (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5517204A (en) * | 1992-03-10 | 1996-05-14 | Tokimec Inc. | Antenna directing apparatus |
| CN107196062A (en) * | 2017-06-01 | 2017-09-22 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | High bandwidth antenna servo controls stabilized platform |
| CN107240764A (en) * | 2017-05-22 | 2017-10-10 | 上海宇航系统工程研究所 | The directing mechanism that a kind of spaceborne Complex Radar antenna high rigidity offset is fixed |
| CN107444676A (en) * | 2017-07-04 | 2017-12-08 | 上海宇航系统工程研究所 | A kind of high-precision two-dimensional directing mechanism of the low return difference of spaceborne integrated compact |
| CN107472557A (en) * | 2017-07-04 | 2017-12-15 | 上海宇航系统工程研究所 | A kind of spaceborne light-duty two-dimensional pointing mechanism for being adapted to deep space environment |
| CN108054515A (en) * | 2017-10-27 | 2018-05-18 | 上海卫星工程研究所 | The specific spaceborne two-dimentional driving number being initially directed toward can be achieved and pass antenna system |
| CN108639381A (en) * | 2018-03-28 | 2018-10-12 | 上海宇航系统工程研究所 | A kind of pop-up type locking relieving mechanism |
-
2018
- 2018-11-15 CN CN201811358269.1A patent/CN109616741A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5517204A (en) * | 1992-03-10 | 1996-05-14 | Tokimec Inc. | Antenna directing apparatus |
| CN107240764A (en) * | 2017-05-22 | 2017-10-10 | 上海宇航系统工程研究所 | The directing mechanism that a kind of spaceborne Complex Radar antenna high rigidity offset is fixed |
| CN107196062A (en) * | 2017-06-01 | 2017-09-22 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | High bandwidth antenna servo controls stabilized platform |
| CN107444676A (en) * | 2017-07-04 | 2017-12-08 | 上海宇航系统工程研究所 | A kind of high-precision two-dimensional directing mechanism of the low return difference of spaceborne integrated compact |
| CN107472557A (en) * | 2017-07-04 | 2017-12-15 | 上海宇航系统工程研究所 | A kind of spaceborne light-duty two-dimensional pointing mechanism for being adapted to deep space environment |
| CN108054515A (en) * | 2017-10-27 | 2018-05-18 | 上海卫星工程研究所 | The specific spaceborne two-dimentional driving number being initially directed toward can be achieved and pass antenna system |
| CN108639381A (en) * | 2018-03-28 | 2018-10-12 | 上海宇航系统工程研究所 | A kind of pop-up type locking relieving mechanism |
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