CN202855904U - Paraboloid antenna, dual polarization feed source, and dual polarization feed source oscillator plate - Google Patents
Paraboloid antenna, dual polarization feed source, and dual polarization feed source oscillator plate Download PDFInfo
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- CN202855904U CN202855904U CN 201220422844 CN201220422844U CN202855904U CN 202855904 U CN202855904 U CN 202855904U CN 201220422844 CN201220422844 CN 201220422844 CN 201220422844 U CN201220422844 U CN 201220422844U CN 202855904 U CN202855904 U CN 202855904U
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- oscillator plate
- parabolic antenna
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Abstract
The utility model discloses a paraboloid antenna, a dual polarization feed source, and a dual polarization feed source oscillator plate. The dual polarization feed source comprises a dual polarization feed source oscillator plate, an oscillator reflecting plane, a Balun, a stay tube, and a feed source assembly, wherein the dual polarization feed source oscillator plate and the oscillator reflecting plane form an oscillator radiation source with directionality; the Balun is respectively connected with the dual polarization feed source oscillator plate and the stay tube; the feed line cables inside the stay tube are divided into two paths to feed the standard 50ohm interface; and the dual polarization feed source oscillator plate comprises a feed source oscillator plate which is formed by the single-face printed board type radiation oscillators of two sets of mutually orthogonal annular dipole oscillators. According to the technical scheme of the utility model, the feed source features simple structure, smaller size, convenient installation, low cost, stable performance, and high production and manufacturing efficiency, facilitates batch production, and is capable of realizing broadband operation. The dual polarization feed source of the utility model is applicable to various conventional parabolic reflecting planes, thereby having broad application scope.
Description
Technical field
The utility model relates to the parabolic antenna technology, is specifically related to a kind of parabolic antenna, bipolar feed source and bipolar feed source oscillator plate.
Background technology
Parabolic antenna is a kind of of microwave antenna.At present, the parabolic antenna profile pattern that is commercially available is a lot, but its working mechanism is identical.As the antenna of high directivity, parabolic can be reflected into parallel beam from the beam that its focus is positioned at its wave source, be about to the bending wave that focus place feed antenna sends and be transformed into plane wave.For parabolic antenna, parabolic reflector and its feed have just become to determine the key of parabolic antenna electric property.
The preposition feed structure of the most employings of traditional dual-polarized parabolic antenna, this structure adopts planographic to intersect symmetrical dipole as radiant body, and the metal tube of bending is as support, and the feeder line of two polarization passes metal tube and is connected with oscillator.This kind implementation exists following defective, 1) bending metal tube produce easily occlusion effect, reduced antenna phase efficient, thereby reduced antenna gain; 2) the antenna polarization isolation is not high, can only reach about 25dB, and unstable properties; 3) existing feed structure is complicated, volume is relatively large, and there is certain limitation in its applicability.
Therefore, need to there be a kind of novel parabolic antenna to come defects is improved.
The utility model content
For defective of the prior art and deficiency, the technical problems to be solved in the utility model provides and a kind ofly can realize that the dual polarization wideband covers and structure is more easy, be easy to produce parabolic antenna, bipolar feed source and bipolar feed source oscillator plate that result of use is better.
The utility model discloses a kind of parabolic antenna bipolar feed source, and described feed comprises bipolar feed source oscillator plate, oscillator reflecting surface, Ba Lun (Balun), stay pipe and feed assembly,
Described bipolar feed source oscillator plate and oscillator reflecting surface form one and have direction-sense oscillator radiation source, and described Ba Lun is connected with stay pipe with bipolar feed source oscillator plate respectively, and dividing two-way by the feeder cable in the described stay pipe is standard 50 Ω interface feeds;
Wherein, described bipolar feed source oscillator plate comprises the feed oscillator plate that is comprised of two groups of mutually orthogonal board-like radiating doublets that are printed on one side.
Further, the described board-like radiating doublet that is printed on one side comprises that the ring external diameter is the ring shaped dipole oscillator of 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
Further, described oscillator reflecting surface comprises that diameter is 0.4 λ～0.6 λ, apart from the metal covering of bipolar feed source oscillator plate 0.4 λ～0.6 λ, wherein, the wavelength when λ is dipole element work.
Further, the thickness of described oscillator reflecting surface is 0.7mm～1.5mm.
Further, described stay pipe comprises metal tube, and its length is corresponding paraboloidal one times of focal length.
The utility model also discloses a kind of parabolic antenna bipolar feed source oscillator plate, described bipolar feed source oscillator plate comprises two groups of mutually orthogonal ring shaped dipole oscillators in one side print brush board front, two ground connection anchor rings at the back side, at least four plated-through holes and a microstrip line, wherein, one group of ring shaped dipole oscillator connects in the printed panel front by plated-through hole, one group of ring shaped dipole oscillator connects at the printed panel reverse side by plated-through hole, and described bipolar feed source oscillator plate is by described microstrip line and the Ba Lun output that is coupled.
Further, described ring shaped dipole oscillator ring external diameter is 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
The utility model also discloses a kind of parabolic antenna, and described antenna comprises parabolic reflector and bipolar feed source, and described bipolar feed source is installed on the center of parabolic antenna,
Described feed comprises bipolar feed source oscillator plate, oscillator reflecting surface, Ba Lun, stay pipe and feed assembly,
Described bipolar feed source oscillator plate and oscillator reflecting surface form one and have direction-sense oscillator radiation source, and described Ba Lun is connected with stay pipe with bipolar feed source oscillator plate respectively, and dividing two-way by the feeder cable in the described stay pipe is standard 50 Ω interface feeds;
Wherein, described bipolar feed source oscillator plate comprises the feed oscillator plate that is comprised of two groups of mutually orthogonal board-like radiating doublets that are printed on one side.
Further, described stay pipe comprises metal tube, and its length is corresponding paraboloidal one times of focal length.
Further, the described board-like radiating doublet that is printed on one side comprises that the ring external diameter is the ring shaped dipole oscillator of 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
The technical solution of the utility model adopts two groups of mutually orthogonal printing board type radiating doublet structures to form bipolar feed sources, and with frequency range feed of the same type relatively, simple in structure, easy for installation, with low cost, stable performance, manufacture the efficient height, be beneficial to mass production; The volume ratio of feed traditional structure volume of the same type is less, can realize broadband (4.9GHz～5.85GHz frequency band) work; In addition, bipolar feed source of the present utility model can be used for existing multiple parabolic reflector, and the scope of application is extensive.
Description of drawings
Fig. 1 is the structural representation of the parabolic antenna bipolar feed source of the utility model embodiment;
Fig. 2 is the parabolic antenna bipolar feed source oscillator plate Facad structure schematic diagram of the utility model embodiment;
Fig. 3 is the parabolic antenna bipolar feed source oscillator plate reverse side structural representation of the utility model embodiment;
Fig. 4 is that the parabolic antenna bipolar feed source of the utility model embodiment is at 5300MHz horizontal polarization E face directional diagram;
Fig. 5 is that the parabolic antenna bipolar feed source of the utility model embodiment is at 5300MHz horizontal polarization H face directional diagram;
Fig. 6 is that the parabolic antenna bipolar feed source of the utility model embodiment is at 5300MHz perpendicular polarization E face directional diagram;
Fig. 7 is that the parabolic antenna bipolar feed source of the utility model embodiment is at 5300MHz perpendicular polarization H face directional diagram;
Fig. 8 is the parabolic antenna bipolar feed source cross polarization interport isolation schematic diagram of the utility model embodiment.
Embodiment
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with execution mode and cooperate accompanying drawing to be described in detail.
Fig. 1 is the structural representation of the parabolic antenna bipolar feed source of the utility model embodiment.As shown in Figure 1, described parabolic bipolar feed source comprises oscillator reflecting surface 1, and Ba Lun 4, bipolar feed source oscillator plate 5, stay pipe 6 and feed assembly (feed source cover 2, feed seat 3, plinth 7, assembly 8, semi-flexible cable 50-1.5 etc.).Oscillator reflecting surface 1 places feed source cover 2 bottoms, Ba Lun 4 places on the feed seat 3 with 5 combinations of bipolar feed source oscillator plate, stay pipe 6 links feed seat 3 and feed assembly 8, and the feeder cable of the feed after the combination by stay pipe inside is divided into horizontal polarization 9 and perpendicular polarization 10 directions to standard 50 Ω interface feeds.
Wherein, described bipolar feed source oscillator plate comprises the feed oscillator plate that the board-like radiating doublet that is printed on one side by two groups of mutually orthogonal ring shaped dipole oscillators forms.The described board-like radiating doublet that is printed on one side comprises that the ring external diameter is the ring shaped dipole oscillator of 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
Described oscillator reflecting surface comprises that diameter is 0.4 λ～0.6 λ, and apart from the metal covering of dual polarization vibrator plate 0.4 λ～0.6 λ, the thickness of described oscillator reflecting surface is 0.7mm～1.5mm, and the thickness of oscillator reflecting surface is preferably 1mm in the present embodiment.
Described stay pipe adopts the not metal tube of bending, and its length is corresponding paraboloidal one times of focal length, thereby can be positioned at the parabolic focus place so that be positioned at the bipolar feed source oscillator plate on its top.
Described bipolar feed source oscillator plate comprises two groups of mutually orthogonal ring shaped dipole oscillators in one side print brush board front, two ground connection anchor rings at the back side, at least four plated-through holes and a microstrip line.Wherein, one group of ring shaped dipole oscillator connects in that printed panel is positive by plated-through hole, and one group of ring shaped dipole oscillator connects at the printed panel reverse side by plated-through hole, and described bipolar feed source oscillator plate is by described microstrip line and the Ba Lun output that is coupled.The described board-like radiating doublet that is printed on one side comprises the ring shaped dipole oscillator of centre frequency 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
Described parabolic antenna comprises parabolic reflector and bipolar feed source, and described bipolar feed source is installed on the center of parabolic antenna,
Wherein, described feed comprises bipolar feed source oscillator plate, oscillator reflecting surface, Ba Lun, stay pipe and feed assembly,
Described bipolar feed source oscillator plate and oscillator reflecting surface form one and have direction-sense oscillator radiation source, and described Ba Lun is connected with stay pipe with bipolar feed source oscillator plate respectively, and dividing two-way by the feeder cable in the described stay pipe is standard 50 Ω interface feeds;
Described bipolar feed source oscillator plate comprises the feed oscillator plate that is comprised of two groups of mutually orthogonal board-like radiating doublets that are printed on one side.The described board-like radiating doublet that is printed on one side comprises that the ring external diameter is the ring shaped dipole oscillator of 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
Described stay pipe comprises the not metal tube of bending, and its length is corresponding paraboloidal one times of focal length.
Fig. 2 is the parabolic antenna bipolar feed source oscillator plate Facad structure schematic diagram of the utility model embodiment.Fig. 3 is the parabolic antenna bipolar feed source oscillator plate reverse side structural representation of the utility model embodiment.As shown in Figures 2 and 3, this oscillator plate is by with two groups of the pcb board face mutually orthogonal ring shaped dipole oscillators, and two the ground connection anchor rings in the back side, 14 plated-through holes and a microstrip line form.The positive and negative corresponding relation is that the A limit overlaps with A*, and remainder also overlaps.After the corresponding coincidence with Fig. 3 face of Fig. 2 face, two face positions are corresponding and be the metallization via hole, wherein, one group of ring shaped dipole oscillator connects in the galley front by two plated-through holes, one group of ring shaped dipole oscillator connects at the galley reverse side by two plated-through holes, by described microstrip line and the Ba Lun output that is coupled.According to different angles put can form vertical+level or ± 45 ° two kinds polarization compound modes.Among the figure all to cover copper thickness be 0.035mm.
In the present embodiment, the one side print brush board that two groups of mutually orthogonal (vertical+level or ± 45 °) ring external diameters are 0.45～0.65 λ ring shaped dipole oscillator forms bipolar feed source oscillator plate, this kind structure decrease the intersection between two groups of feed oscillators disturb, improved bipolar feed source cross polarization interport isolation.
Fig. 4 is that the parabolic antenna bipolar feed source of the utility model embodiment is at 5300MHz horizontal polarization E face directional diagram.Fig. 5 is that the parabolic antenna bipolar feed source of the utility model embodiment is at 5300MHz horizontal polarization H face directional diagram.Fig. 6 is that the parabolic antenna bipolar feed source of the utility model embodiment is at 5300MHz perpendicular polarization E face directional diagram.Fig. 7 for for the parabolic antenna bipolar feed source of the utility model embodiment at 5300MHz perpendicular polarization H face directional diagram.To effect shown in Figure 7, as can be known, parabolic antenna is (such as 5300MHz) in the fixed frequency bandwidth range, no matter is horizontal polarization or perpendicular polarization in conjunction with Fig. 4, and the directional diagram of E face and H face is constant.Horizontal polarization or perpendicular polarization are relevant with the putting position of parabolic antenna, and do not affect for the E face of parabolic antenna itself and the direction of H face.But on Antenna Design, generally there are clear and definite level and perpendicular polarization to indicate, the situation that polarization is put upside down can not occur putting.
Fig. 8 is the parabolic antenna bipolar feed source cross polarization interport isolation schematic diagram of the utility model embodiment.As shown in Figure 8, the parabolic antenna cross polarization interport isolation of the utility model embodiment in broad frequency range (4.9GHz～5.85GHz frequency band) all more than 33dB, isolation satisfy intermodulation to the requirement of isolation between antennas (〉=30dB), space interval between the dual polarized antenna only needs 20cm～30cm, can be widely used in multiple occasion.
A bipolar feed source oscillator the key technical indexes of the utility model embodiment is:
1. frequency range: 4.9GHz～5.85GHz;
2. gain: 27.5dBi;
3. horizontal plane lobe width: 6 °;
4. vertical plane lobe width: 6 °;
5. voltage standing wave ratio :≤1.5;
6. polarization mode: quadrature dualpolarized (vertical+level or ± 45 °).
7. front and back ratio: 〉=32dB;
8. isolation: 〉=25dB
9. parabolic size: Φ 0.6m(is circular parabolic).
The technical solution of the utility model adopts two groups of mutually orthogonal printing board type radiating doublet structures to form bipolar feed sources, and with frequency range feed of the same type relatively, simple in structure, easy for installation, with low cost, stable performance, manufacture the efficient height, be beneficial to mass production; The volume ratio of feed traditional structure volume of the same type is less, can realize broadband (4.9GHz～5.85GHz frequency band) work; In addition, bipolar feed source of the present utility model can be used for existing multiple parabolic reflector, and the scope of application is extensive.
Above-mentioned only is preferred embodiment of the present utility model and institute's application technology principle; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed in the protection range of the present utility model.
Claims (10)
1. a parabolic antenna bipolar feed source is characterized in that, described feed comprises bipolar feed source oscillator plate, oscillator reflecting surface, Ba Lun (Balun), stay pipe and feed assembly,
Described bipolar feed source oscillator plate and oscillator reflecting surface form one and have direction-sense oscillator radiation source, and described Ba Lun is connected with stay pipe with bipolar feed source oscillator plate respectively, and dividing two-way by the feeder cable in the described stay pipe is standard 50 Ω interface feeds;
Wherein, described bipolar feed source oscillator plate comprises the feed oscillator plate that is comprised of two groups of mutually orthogonal board-like radiating doublets that are printed on one side.
2. parabolic antenna bipolar feed source according to claim 1 is characterized in that, the described board-like radiating doublet that is printed on one side comprises that the ring external diameter is the ring shaped dipole oscillator of 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
3. parabolic antenna bipolar feed source according to claim 1, it is characterized in that described oscillator reflecting surface comprises that diameter is 0.4 λ～0.6 λ, apart from the metal covering of bipolar feed source oscillator plate 0.4 λ～0.6 λ, wavelength when wherein, λ is dipole element work.
4. parabolic antenna bipolar feed source according to claim 3 is characterized in that, the thickness of described oscillator reflecting surface is 0.7mm～1.5mm.
5. parabolic antenna bipolar feed source according to claim 1 is characterized in that, described stay pipe comprises metal tube, and its length is corresponding paraboloidal one times of focal length.
6. parabolic antenna bipolar feed source oscillator plate, it is characterized in that, described bipolar feed source oscillator plate comprises two groups of mutually orthogonal ring shaped dipole oscillators in one side print brush board front, two ground connection anchor rings at the back side, at least four plated-through holes and a microstrip line, wherein, one group of ring shaped dipole oscillator connects in the printed panel front by plated-through hole, one group of ring shaped dipole oscillator connects at the printed panel reverse side by plated-through hole, and described bipolar feed source oscillator plate is by described microstrip line and the Ba Lun output that is coupled.
7. parabolic antenna bipolar feed source oscillator plate according to claim 6 is characterized in that, described ring shaped dipole oscillator ring external diameter is 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
8. a parabolic antenna is characterized in that, described antenna comprises parabolic reflector and bipolar feed source, and described bipolar feed source is installed on the center of parabolic antenna,
Described feed comprises bipolar feed source oscillator plate, oscillator reflecting surface, Ba Lun, stay pipe and feed assembly,
Described bipolar feed source oscillator plate and oscillator reflecting surface form one and have direction-sense oscillator radiation source, and described Ba Lun is connected with stay pipe with bipolar feed source oscillator plate respectively, and dividing two-way by the feeder cable in the described stay pipe is standard 50 Ω interface feeds;
Wherein, described bipolar feed source oscillator plate comprises the feed oscillator plate that is comprised of two groups of mutually orthogonal board-like radiating doublets that are printed on one side.
9. parabolic antenna according to claim 8 is characterized in that, described stay pipe comprises metal tube, and its length is corresponding paraboloidal one times of focal length.
10. parabolic antenna according to claim 8 is characterized in that, the described board-like radiating doublet that is printed on one side comprises that the ring external diameter is the ring shaped dipole oscillator of 0.45 λ～0.65 λ, wherein, and the wavelength when λ is dipole element work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220422844 CN202855904U (en) | 2012-08-23 | 2012-08-23 | Paraboloid antenna, dual polarization feed source, and dual polarization feed source oscillator plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220422844 CN202855904U (en) | 2012-08-23 | 2012-08-23 | Paraboloid antenna, dual polarization feed source, and dual polarization feed source oscillator plate |
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| CN202855904U true CN202855904U (en) | 2013-04-03 |
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| CN 201220422844 Expired - Fee Related CN202855904U (en) | 2012-08-23 | 2012-08-23 | Paraboloid antenna, dual polarization feed source, and dual polarization feed source oscillator plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820554A (en) * | 2012-08-23 | 2012-12-12 | 佛山市健博通电讯实业有限公司 | Parabolic antenna, dual-polarization feed source and dual-polarization feed source oscillator plate |
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2012
- 2012-08-23 CN CN 201220422844 patent/CN202855904U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820554A (en) * | 2012-08-23 | 2012-12-12 | 佛山市健博通电讯实业有限公司 | Parabolic antenna, dual-polarization feed source and dual-polarization feed source oscillator plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG KENBOTONG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JIANBOTONG TELECOMMUNICATION INDUSTRIAL CO., LTD., FOSHAN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528031, Foshan City, Guangdong province Ji Hua Road West Chan Road, No. 2 Health Science Park Broadcom Patentee after: Guangdong Science and Technology Co., Ltd. of strong Botong Address before: 528031, Foshan City, Guangdong province Ji Hua Road West Chan Road, No. 2 Health Science Park Broadcom Patentee before: Jianbotong Telecommunication Industrial Co., Ltd., Foshan City |
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| 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: 20130403 Termination date: 20170823 |