CN108321539A - A kind of feed sweep mechanism - Google Patents
A kind of feed sweep mechanism Download PDFInfo
- Publication number
- CN108321539A CN108321539A CN201810139552.9A CN201810139552A CN108321539A CN 108321539 A CN108321539 A CN 108321539A CN 201810139552 A CN201810139552 A CN 201810139552A CN 108321539 A CN108321539 A CN 108321539A
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- CN
- China
- Prior art keywords
- feed
- motor
- special
- secondary feed
- sweep mechanism
- 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
- 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
- H01Q3/10—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 to produce a conical or spiral scan
-
- 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
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/246—Polarisation converters rotating the plane of polarisation of a linear polarised wave
- H01Q15/248—Polarisation converters rotating the plane of polarisation of a linear polarised wave using a reflecting surface, e.g. twist reflector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of feed sweep mechanisms, it provides two groups of driving transmission devices and a special-shaped holder, by using Dual-motors Driving, one motor is as main driving motor, another motor is as follow-up motor, slip ring and joint are used to prevent circuit from winding, one of motor can with turn, another motor provides feed rotation, it ensure that feed is opposite with positions of panels to stop, ring is located at the center of Bearing gear, it realizes without the unlimited angle rotation of cable, ensure the relative position of two groups of transmissions, and realize 18 ° of rotations of special angle.Integrated model is simple and effective, can effectively reduce weight and volume, especially axial dimension.
Description
Technical field
Patent of the present invention belongs to antenna assembly field more particularly to a kind of feed scanning means.
Background technology
With the development of communication technology of satellite, boat-carrying communication antenna is more and more applied, but hull space is limited,
Cause to integrate multiband, the antenna requirements of multi-track mode become increasingly conspicuous；Conical scanning tracking is as the reliable day of tradition
Line tracking mode is widely used, but on the antenna of multiband multi-track mode, the feed scanning means under the tracking mode
Mechanism complexity, weight and volume are larger, seriously restrict the application of the tracking mode；The present invention proposes a kind of novel feed and sweeps
Imaging apparatus, mechanism is simple, lightweight is small, and can realize that twin shaft angular turn real time position synchronizes.
Invention content
Present invention solves the technical problem that being to provide novel motor pattern, the scan pattern of dual rotary is used, and
A kind of novel feed Scan Architecture provided the characteristics of miniaturization, and realizes high speed rotation, coordinates day with lightweight
Line may be implemented quickly with accurately track.
A kind of feed sweep mechanism, including antenna reflective face 19, centrally disposed in antenna reflective face are useful for feed-in letter
Number main feed source 20, feed sweep mechanism is erected at right over main feed source；
The feed sweep mechanism includes for driving the scan module (1) of revolution, 8 and of polarization motor for driving rotation
Secondary feed 10, the scan module 1 are arranged on level tray 3, and coaxially Bearing gear is fitted with positioned at 3 lower section of level tray
4, polarization motor 8 and secondary feed are connected to 4 lower section of Bearing gear by connector, and scan module 1 drives 4 turns of Bearing gear
The secondary feed of dynamic and then drive revolves round the sun, and the polarization motor 8 is by driving the transition gear being arranged in secondary feed shaft
12 drive secondary feed rotation in turn, and it is 0 ° that the pointing direction of secondary feed has angle, angular range with the center position in main feed source
To 180 °.
Further, the connector is special-shaped holder 5, and the special-shaped holder is connected to 4 lower section of Bearing gear, secondary
Feed is pivoted to below special-shaped holder, and polarization motor 8 is fixed again on special-shaped holder, and the drive shaft of polarization motor 8 is pierced by abnormity
Outside holder, polarization motor 8 drives secondary feed rotation by driving is arranged in the transition gear in secondary feed shaft.
Further, the lower surface of special-shaped holder is inclined-plane, and polarization motor 8 is arranged in the inclined-plane lower end of special-shaped holder,
The inclined-plane upper end of special-shaped holder is provided with clump weight 14.
Further, it has been pierced by a sensor on special-shaped holder, has been located at one identification plate 18 of transition gear connection, identification
Plate can pass through signal periodically through below sensor by sensor pickup.
Further, the angle of the crossing of the rotation axis of scan module 1 and the rotation axis of secondary feed shaft is 18 °.
Further, further include datum plate, datum plate is erected at by multiple connecting rods above main feed source, and the feed is swept
The lower surface that mechanism is fixed on datum plate is retouched, subreflector 21 is provided with immediately below secondary feed, subreflector both ends are each logical
It crosses a swing arm to be hinged on datum plate, be set at any one hinge joint there are one motor is stirred, stir motor and put by driving
Arm swing and then drive subreflector are removed below secondary feed so that secondary feed is opposite with antenna reflective face.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
By adopting the above-described technical solution, the technological progress that the present invention obtains is：
The present invention is merged by gear and bearing, and improving needs to realize that angle is same using planetary gear combination in polarization rotates
The method of step, reduces axial dimension.
Using Dual-motors Driving, reduce complicated running part, only realizes feed scanning, integrated model with two groups of transmissions
It is simple and effective, it can significantly reduce weight and volume.
The relative position of two groups of transmissions is fixed using profiled frame, overall compact is reliable, can effectively reduce weight and volume.
Based on the above invention, two axis rotate the achievable preposition feed polarisation angles of sweep mechanism and remain unchanged simultaneously, realize
High efficiency receives 1.3GHz-12GHz microwave signals；Scan module high speed rotation realizes the coupling of difference signal simultaneously, realizes antenna
High precision tracking satellite.
It by using bi-motor, ensure that opposing stationary between secondary feed and reflecting surface, realize new rotary scanning
Form keeps polarisation angles constant.
Description of the drawings
Fig. 1 is overall structure figure front view of the present invention；
Fig. 2 is overall structure figure side view of the present invention；
Fig. 3 is the overall structure figure containing inventive antenna；
In figure：Scan module 1, slip ring 2, level tray 3, Bearing gear 4, special-shaped holder 5, joint 6, knuckle support 7, polarization electricity
Machine 8, holder 9, secondary feed 10, bearing cap 11, transition gear 12, bearing 13, clump weight 14, sleeve 15, bearing cap 16, sensor
17, plate 18, antenna reflective face 19, main feed source 20 are identified.
Specific implementation mode
It is described in further details with reference to Fig. 1-3 couples of present invention：
As shown in Figure 1, a kind of feed sweep mechanism, including antenna reflective face 19 are provided, in the centrally disposed of antenna reflective face
It is useful for the main feed source 20 of FD feed, excessively multiple connecting rod rests are equipped with datum plate, the feed scanning machine above main feed source
Structure is fixed on the lower surface of datum plate, and feed sweep mechanism is erected at right over main feed source and its face；
As shown in Figs. 1-2, the feed sweep mechanism includes for driving the scan module (1) of revolution, for driving rotation
Polarization motor 8 and secondary feed 10, the scan module 1 be arranged on level tray 3, on level tray 3 fixation setting
Slip ring 2, slip ring 2 are equipped with across level tray 3, Bearing gear 4, Bearing gear lower section are coaxially fitted with below level tray 3
It is fixedly connected with special-shaped holder 5, the output shaft of scan module is connected across level tray 3 by the outer ring of gear and Bearing gear
It connects, is rotated with driving abnormity holder 5.
The bottom surface of the special-shaped holder is inclined-plane, is set on the inclined-plane of the special-shaped holder there are one sleeve 15, pair is presented
Source, which is articulated in, to be pivoted in sleeve 15 close and is articulated on the inclined-plane of special-shaped holder, is arranged between the pivot and sleeve 15 of secondary feed
There are bearing 13, bearing 13 to be enclosed in sleeve by bearing cap 11, is fitted with joint 6 on the top of sleeve, joint 6 is by being fixed on
Knuckle support 7 on special-shaped holder is kept fixed, and sleeve side is provided with polarization motor 8, transition is fitted on pivot
The output shaft of gear 12, the polarization motor 8 passes through special-shaped holder and is connect with transition gear 12 by gear, and polarize motor
8 drive secondary feed rotation, secondary feed to be arranged in special-shaped holder by driving is arranged in the transition gear in secondary feed shaft
Inclined-plane lower end, the inclined-plane upper end of special-shaped holder is provided with clump weight 14, ensures the dynamic equilibrium under high speed rotation, is located at different
It has been pierced by a sensor on shape holder, has been located at one identification plate 18 of transition gear connection, identification plate is periodically through below sensor
It can realize the unlimited angle of no cable by sensor pickup by signal by using slip ring and joint and rotate.
By above structure, scan module 1 drives Bearing gear 4 rotate and then secondary feed is driven to revolve round the sun, institute
The polarization motor 8 stated drives secondary feed rotation, secondary feed by driving is arranged in transition gear 12 in secondary feed shaft
The center position in pointing direction and main feed source to have angle, angular range be 0 ° to 180 °, angle of the crossing value of the present invention is
18°。
As shown in figure 3, being provided with subreflector 21 immediately below secondary feed, subreflector both ends are respectively cut with scissors by a swing arm
It is connected on datum plate, is set at any one hinge joint there are one motor is stirred, stir motor by driving swing arm to swing
Subreflector is driven to remove below secondary feed so that secondary feed is opposite with antenna reflective face.
The application method of the present invention is described further below according to attached drawing：
Fixed tray 3 is fixed in use, and when operating, polarization motor and scan module work at the same time, and drive respectively
Dynamic bearing gear 4 and gear 12 high-speed rotation round about, realize feed scan tracing.
Claims (6)
1. a kind of feed sweep mechanism, including antenna reflective face（19）, antenna reflective face it is centrally disposed be useful for feed-in letter
Number main feed source（20）, it is characterised in that：Feed sweep mechanism is erected at right over main feed source；
The feed sweep mechanism includes for driving the scan module (1) of revolution, the polarization motor for driving rotation（8）
With secondary feed（10）, the scan module（1）It is arranged in level tray（3）On, it is located at level tray（3）Lower section is coaxially equipped with
There is Bearing gear（4）, polarize motor（8）Bearing gear is connected to by connector with secondary feed（4）Lower section, scan module（1）
Drive Bearing gear（4）Rotate and then secondary feed is driven to revolve round the sun, the polarization motor（8）By driving setting to exist
Transition gear in secondary feed shaft（12）And then drive secondary feed rotation, the center of the pointing direction and main feed source of secondary feed
It is 0 ° to 180 ° that direction, which has angle, angular range,.
2. a kind of feed sweep mechanism according to claim 1, it is characterised in that：The connector is special-shaped holder
（5）, the special-shaped holder is connected to Bearing gear（4）Lower section, secondary feed are pivoted to below special-shaped holder, and polarize motor（8）
On fixed holder special-shaped again, polarize motor（8）Drive shaft be pierced by outside special-shaped holder, polarize motor（8）It is arranged by driving
The secondary feed rotation of transition gear and then driving in secondary feed shaft.
3. a kind of feed sweep mechanism according to claim 1, it is characterised in that：The lower surface of special-shaped holder is inclined-plane,
Polarize motor（8）It is arranged in the inclined-plane lower end of special-shaped holder, the inclined-plane upper end of special-shaped holder is provided with clump weight（14）.
4. a kind of feed sweep mechanism according to claim 2, it is characterised in that：A biography has been pierced by special-shaped holder
Sensor is located at one identification plate of transition gear connection（18）, identification plate can be picked up logical periodically through sensor lower section by sensor
Cross signal.
5. a kind of feed sweep mechanism according to claim 2, it is characterised in that：The rotation axis of scan module (1) with
The angle of the crossing of the rotation axis of secondary feed shaft is 18 °.
6. a kind of feed sweep mechanism according to claim 2, it is characterised in that：Further include datum plate, datum plate passes through
Multiple connecting rods are erected above main feed source, and the feed sweep mechanism is fixed on the lower surface of datum plate, are being located at secondary feed just
Lower section is provided with subreflector（21）, subreflector both ends are respectively hinged to by a swing arm on datum plate, hinged at any one
It is set at point there are one motor is stirred, stirring motor drive subreflector by driving swing arm to swing and removing makes below secondary feed
It is opposite with antenna reflective face to obtain secondary feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139552.9A CN108321539A (en) | 2018-02-11 | 2018-02-11 | A kind of feed sweep mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139552.9A CN108321539A (en) | 2018-02-11 | 2018-02-11 | A kind of feed sweep mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108321539A true CN108321539A (en) | 2018-07-24 |
Family
ID=62902865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810139552.9A Pending CN108321539A (en) | 2018-02-11 | 2018-02-11 | A kind of feed sweep mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321539A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5270993A (en) * | 1989-11-03 | 1993-12-14 | Montres Rolex S.A. | Method for detecting the zero position of a hand of a quartz watch with analogue display, a device for performing this method and a watch fitted with this device |
| CN2443495Y (en) * | 2000-10-20 | 2001-08-15 | 北京航天天达卫星应用技术有限公司 | Satellite television real-time receiving device for train |
| CN102253387A (en) * | 2011-06-17 | 2011-11-23 | 中国科学院空间科学与应用研究中心 | Dual-mode radiometer system for millimetre-submillimetre waves |
| CN102969569A (en) * | 2012-12-04 | 2013-03-13 | 中国电子科技集团公司第五十四研究所 | Mechanical cone scanning and polarization adjusting mechanism used for feed source |
| CN203260738U (en) * | 2013-05-17 | 2013-10-30 | 张鹿平 | Double-vice-surface Cassegrain antenna capable of changing wave beam scanning mode |
| CN203536564U (en) * | 2013-10-29 | 2014-04-09 | 常州芯飞宁电子有限公司 | Ray machine scanning antenna device used for scanning imaging |
| CN205790387U (en) * | 2016-06-24 | 2016-12-07 | 海中信（北京）卫星通信股份公司 | Low-cost and high-precision ku/ka multiband Satellite Tracking Control System |
-
2018
- 2018-02-11 CN CN201810139552.9A patent/CN108321539A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5270993A (en) * | 1989-11-03 | 1993-12-14 | Montres Rolex S.A. | Method for detecting the zero position of a hand of a quartz watch with analogue display, a device for performing this method and a watch fitted with this device |
| CN2443495Y (en) * | 2000-10-20 | 2001-08-15 | 北京航天天达卫星应用技术有限公司 | Satellite television real-time receiving device for train |
| CN102253387A (en) * | 2011-06-17 | 2011-11-23 | 中国科学院空间科学与应用研究中心 | Dual-mode radiometer system for millimetre-submillimetre waves |
| CN102969569A (en) * | 2012-12-04 | 2013-03-13 | 中国电子科技集团公司第五十四研究所 | Mechanical cone scanning and polarization adjusting mechanism used for feed source |
| CN203260738U (en) * | 2013-05-17 | 2013-10-30 | 张鹿平 | Double-vice-surface Cassegrain antenna capable of changing wave beam scanning mode |
| CN203536564U (en) * | 2013-10-29 | 2014-04-09 | 常州芯飞宁电子有限公司 | Ray machine scanning antenna device used for scanning imaging |
| CN205790387U (en) * | 2016-06-24 | 2016-12-07 | 海中信（北京）卫星通信股份公司 | Low-cost and high-precision ku/ka multiband Satellite Tracking Control System |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180724 |