CN201336369Y - Ultra-wide band cavity vibrator feed source device - Google Patents
Ultra-wide band cavity vibrator feed source device Download PDFInfo
- Publication number
- CN201336369Y CN201336369Y CNU2009201014576U CN200920101457U CN201336369Y CN 201336369 Y CN201336369 Y CN 201336369Y CN U2009201014576 U CNU2009201014576 U CN U2009201014576U CN 200920101457 U CN200920101457 U CN 200920101457U CN 201336369 Y CN201336369 Y CN 201336369Y
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- sleeve
- balancer
- feed source
- wavelength
- metal ring
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Abstract
The utility model discloses an ultra-wide band cavity vibrator feed source device, which relates to an antenna feed source device in the fields of microwave communication, satellite communication, data transmission, measurement and control and the like. The ultra-wide band cavity vibrator feed source device comprises an orthogonal vibrator, a balancer, a connecting plate, a sleeve, a reflecting plate, a circular radiating cavity, a feed network and the like. The utility model adopts double-sleeve technology and medium cover plate auxiliary technology to adjust feed source matching so as to greatly enlarge the matching bandwidth of the feed source, and also adopts the circular cavity to improve the characteristics of directional patterns; not only are E-surface and H-surface directional patterns equalized, but also the phase centers maintain basically consistent in the wideband segment, thereby improving the antenna gain. The utility model, which can realize various polarization manners, has the advantages of compact and simple structural design, no need of any dies or special processes, easy processing, low cost, easy installation and the like, and is particularly suitable to use as the feed source device for a feedforward parabolic antenna in an ultra-wide band operation manner.
Description
Technical field
The utility model relates to a kind of ultra broadband chamber dipole feed device in the fields such as microwave communication, satellite communication, transfer of data, and the forward-feed type parabolic antenna that is particularly suitable for ultra broadband work is made feed source device.
Background technology
As widely used parabolic antenna, feed is the core technology of antenna, particularly present, along with sciemtifec and technical sphere is brought in constant renewal in and is developed in advance, the broadband of antenna, multiband covering, multipolarization are to become the key technology of present feed development, can reduce project cost greatly undoubtedly, raise the efficiency.
The feed that can realize the work of wideband section at present also has following several form, though characteristics are respectively arranged on performance, also exists some deficiency, as:
1. the logarithm period feed can be realized wideband section, multipolarization, but the serious grade not of E face, H face directional diagram; The phase heart is with the frequency change sensitivity; Antenna gain is had a significant impact; Moreover the not compact installation inconvenience of complex structure.
2. Corkscrews feed, though the Corkscrews feed some can realize the wideband section, its fatal weakness is only can realize single circularly polarised, the scope of application is limited.Therefore the key technology of developing wideband section, multipolarization feed and being.
Summary of the invention
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and the ultra broadband chamber dipole feed device of changes such as a kind of frequency range is wide, E face H face directional diagram, phase center unanimity is provided, the utility model also has simple and compact for structure, easy installation and processing, volume is little, in light weight, with low cost, has advantages such as promotional value.
The utility model purpose is achieved in that
It comprises medium annulus 16, dielectric cap 17, feeding network 18, also comprises by two pairs of orthogonal quadrature oscillators 3, two pairs of radiating elements 1 that the balancer that is parallel to each other 4, connecting plate 5, feeder cable 6, plug 7, cable socket 8, sleeve 9, sleeve 10, sleeve studdle 11, sleeve locking nut 12 constitute; The circular radiation cavity 2 that constitutes by reflecting plate 13, metal ring 14, cylinder connector 15.
Described quadrature oscillator 3 is welded on the balancer 4, balancer 4 is welded to connect on the plate 5, feeder cable 6 is installed in the balancer 4, one end of feeder cable 6 is installed cable socket 8, the other end separates the internal and external conductor of feeder cable 6, and outer conductor is welded on the end face of balancer 4, and inner wire is welded on the plug 7, plug 7 is welded on the port of balancer 4, and cable socket 8 is installed on the backplate of connecting plate; Sleeve 9, sleeve 10 are installed on the studdle 11 by the levels structure, and studdle 11 usefulness sleeve locking nuts 12 are fixed on and constitute radiating element 1 on the quadrature oscillator 3.
The quadrature oscillator 3 of the utility model radiating element 1 adopts red copper to be made into platy structure or cylindrical structure, and the copper tube that balancer 45 * 1 millimeters of φ of employing or φ are 6 * 1 millimeters is made.
The utility model has been compared following advantage with background technology:
1. the utility model adopts two sleeves 9,10 and medium cover plate 17 to adjust coupling, has expanded the coupling bandwidth of feed greatly.
2. the utility model adopts circular cavity 2, is not only changes such as E face H face directional diagram, and makes the phase center basically identical, reduces and pays a lobe thereby improve antenna gain.
3. the utility model can multiple polarization mode, as single line, two-wire, double-circle polarization etc.
4. the utility model structural design is compact simple, does not need any mould and special process, easily processing, installation with low cost, easy.
5. the utility model is especially suitable for use as the forward-feed type parabolic antenna feed, and range of application relates to fields such as microwave communication, satellite communication, observing and controlling and transfer of data, has promotional value.
Description of drawings
Fig. 1 is a mounting structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of the utility model radiating element 1.
Fig. 3 is the structural representation of the circular radiation cavity 2 of the utility model
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, it comprises medium annulus 16, dielectric cap 17, feeding network 18, also comprises by two pairs of orthogonal quadrature oscillators 3, two pairs of radiating elements 1 that the balancer that is parallel to each other 4, connecting plate 5, feeder cable 6, plug 7, cable socket 8, sleeve 9, sleeve 10, sleeve studdle 11, sleeve locking nut 12 constitute; The circular radiation cavity 2 that constitutes by reflecting plate 13, metal ring 14, cylinder connector 15.As shown in Figure 1, Fig. 1 is the mounting structure schematic diagram of the utility model embodiment.
The utility model quadrature oscillator 3 is welded on the balancer 4, balancer 4 is welded to connect on the plate 5, the quadrature oscillator 3 of the utility model radiating element 1 adopts red copper to be made into platy structure or cylindrical structure, the copper tube that balancer 45 * 1 millimeters of φ of employing or φ are 6 * 1 millimeters is made, embodiment quadrature oscillator 3 is made into platy structure, oscillator length 0.3≤the 2L of the quadrature oscillator 3 in the utility model radiating element 1≤0.65 wavelength, embodiment oscillator length 2L is 0.3 wavelength.Height dimension H between quadrature oscillator 3 and the reflecting plate 13
0Be 0.18≤H
0≤ 0.3 wavelength, embodiment height dimension H
0It is 0.2 wavelength.Embodiment balancer 4 adopts 5 * 1 millimeters copper tubes of φ to make.The effect of quadrature oscillator 3 is radiated electromagnetic waves, and the effect of balancer 4 is the electric currents of controlling on the outer conductor outer wall, makes current balance type on the quadrature oscillator 3.
The utility model metal ring 14 is fixedly mounted on by cylinder connector 15 and constitutes circular radiation cavity 2 on the reflecting plate 13, and as shown in Figure 3, Fig. 3 is the structural representation of the circular radiation cavity of the utility model 2 embodiment.Embodiment reflecting plate 13 adopts the aluminium sheet material to be made, metal ring 14 adopts the aluminium sheet material to be made, connector 15 adopts nonmetallic materials to make, the effect of connector 15 is fixation reflex plate 13, metal ring 14, make reflecting plate 13, metal ring 14 constitute circular radiation cavity 2, the effect of circular radiation cavity 2 is directional diagrams such as face such as H such as face such as E such as gradeization.The height H of metal ring 14
1Be 0.25≤H
1≤ 0.5 wavelength, metal ring 14 diameter dimension φ
2Be 0.55≤φ
2≤ 1.3 wavelength, the embodiment height H
1Be 0.3 wavelength, metal ring 14 diameter dimension φ
2It is 0.6 wavelength.
Radiating element 1 usefulness securing member is installed in the circular radiation cavity 2; Cylinder connector 15, medium annulus 16 are installed on the metal ring 14, and dielectric cap 17 lids are contained on the medium annulus 16, constitute the utility model.Cable socket 8 connects feeding network 18, and feeding network 18 is installed on reflecting plate 13 back sides.Embodiment medium annulus 16, dielectric cap 17 lids adopt glass epoxy to be made, and effect is a sealing radiating element 1, and dielectric cap 17 also plays the auxiliary corrective action of coupling simultaneously.Cable socket 8 adopts commercially available N-KF5 standard model to make.Embodiment feeding network 18 adopts broad-band phase shifter to make, and its effect is to make feed realize circularly polarised.
The operation principle of utility model is as follows: receiving the course of work is example to receive circularly polarised, when the electromagnetic wave information of feed frequency overlay segment appears in the designated flying zone, parabola at first receives this information, after focusing on, focus sends into the utility model feed, pairwise orthogonal oscillator 3 receives this information simultaneously, send into feeding network 18 through feeder cable 6, circularly polarised device in the feeding network 18 with 90 ° of any one tunnel phase shifts of pairwise orthogonal oscillator 3 after, revolve the circularly polarised ripple about electromagnetic wave becomes, information is sent into receiver by transmission line.The emission course of work is the inverse process that receives, and repeats no more here.
Claims (3)
1. ultra broadband chamber dipole feed device, it comprises medium annulus (16), dielectric cap (17), feeding network (18), it is characterized in that: also comprise the radiating element (1) that is made of two pairs of orthogonal quadrature oscillators (3), two pairs of balancers that are parallel to each other (4), connecting plate (5), feeder cable (6), plug (7), cable socket (8), sleeve (9), sleeve (10), sleeve studdle (11), sleeve locking nut (12); Circular radiation cavity (2) by reflecting plate (13), metal ring (14), cylinder connector (15) formation.
Described quadrature oscillator (3) is welded on the balancer (4), balancer (4) is welded to connect on the plate (5), feeder cable (6) is installed in the balancer (4), one end of feeder cable (6) is installed cable socket (8), the other end separates the internal and external conductor of feeder cable (6), and outer conductor is welded on the end face of balancer (4), and inner wire is welded on the plug (7), plug (7) is welded on the port of balancer (4), and cable socket (8) is installed on the backplate of connecting plate (5); Sleeve (9), sleeve (10) are installed on the studdle (11) by the levels structure, and studdle (11) is fixed on quadrature oscillator (3) with sleeve locking nut (12) and goes up formation radiating element (1).
Metal ring (14) is fixedly mounted on reflecting plate (13) by cylinder connector (15) and goes up formation circular radiation cavity (2); Radiating element (1) is installed in the circular radiation cavity (2) with securing member; Medium annulus 16 is installed on the metal ring 14, and dielectric cap 17 lids are contained on the medium annulus 16; Cable socket (8) connects feeding network (18), and feeding network (18) is installed on reflecting plate (13) back side.
2. a kind of ultra broadband according to claim 1 chamber dipole feed device, it is characterized in that: the quadrature oscillator (3) of radiating element 1 adopts red copper to be made into platy structure or cylindrical structure, and the copper tube that balancer 45 * 1 millimeters of φ of employing or φ are 6 * 1 millimeters is made.
3. a kind of ultra broadband according to claim 1 and 2 chamber dipole feed device is characterized in that: quadrature oscillator (3) oscillator length 0.3≤2L≤0.65 wavelength in the radiating element (1); Height dimension H between quadrature oscillator (3) and the reflecting plate (13)
0Be 0.18≤H
0≤ 0.3 wavelength; The height H of metal ring (14)
1Be 0.25≤H
1≤ 0.5 wavelength, the diameter dimension φ of metal ring (14)
2Be 0.55≤φ
2≤ 1.3 wavelength; The diameter dimension φ of sleeve (9) or sleeve (10)
1Be 0.2≤φ
1≤ 0.4 wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201014576U CN201336369Y (en) | 2009-02-05 | 2009-02-05 | Ultra-wide band cavity vibrator feed source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201014576U CN201336369Y (en) | 2009-02-05 | 2009-02-05 | Ultra-wide band cavity vibrator feed source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201336369Y true CN201336369Y (en) | 2009-10-28 |
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ID=41288031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201014576U Expired - Fee Related CN201336369Y (en) | 2009-02-05 | 2009-02-05 | Ultra-wide band cavity vibrator feed source device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201336369Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682556A (en) * | 2013-11-13 | 2014-03-26 | 南京航空航天大学 | Airborne remote antenna mounting device |
-
2009
- 2009-02-05 CN CNU2009201014576U patent/CN201336369Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682556A (en) * | 2013-11-13 | 2014-03-26 | 南京航空航天大学 | Airborne remote antenna mounting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20180205 |