CN205081242U - Combined anti -interference antenna - Google Patents
Combined anti -interference antenna Download PDFInfo
- Publication number
- CN205081242U CN205081242U CN201520394803.XU CN201520394803U CN205081242U CN 205081242 U CN205081242 U CN 205081242U CN 201520394803 U CN201520394803 U CN 201520394803U CN 205081242 U CN205081242 U CN 205081242U
- Authority
- CN
- China
- Prior art keywords
- antenna
- low
- high band
- frequency range
- interference
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a combined anti -interference antenna, including multiunit antenna element, each antenna element of group includes low -frequency range antenna and high band antenna, its characterized in that, antenna element realizes the work of dual -frenquency on same position, every antenna element's of group low -frequency range antenna and the combining form that the high band antenna adopted upper and lower stromatolite to set up, or adopt the dual -frenquency antenna of integral type to make up the form. The utility model discloses make antenna element have bigger adjustment space for each is bigger with the distance of frequency unit, obviously reduces the intercoordination of antenna, thereby improves the low elevation gain.
Description
Technical field
The utility model relates to antenna technical field, specifically relates to one and can be applicable in jamproof system, meets anti-interference antenna small size and requires and have the antenna element improving low section high-gain.
Background technology
In cruising missile Data-Link system, antijamming capability and low section gain are all key indexs.Current array antenna technique is one of effective means improving system rejection to disturbance ability further, and therefore the application problem of array antenna technique in cruising missile Data-Link system also becomes an emphasis.
On multifrequency anti-interference antenna array, such as, on Big Dipper jamproof system, frequent needs multiple low frequency reception antenna and multiple high frequency receiving antenna carry out anti-interference work, because the integration degree of current each unit radio-frequency module is higher, required array antenna volume is more and more less, but traditional antenna unit and arrangement mode seriously constrain the miniaturization of multiple unit anti-interference antenna, meeting miniaturized traditional multiple unit anti-interference antenna Main way is at present the dielectric constant increasing each unit, reduce each unit volume, or reduce the spacing of adjacent cells, this has all had a strong impact on the performance of antenna element.
Consider above-mentioned situation, be necessary for a kind of novel antenna array scheme of jamproof system exploitation, the low section gain higher than traditional antenna battle array, more easily adjustment, the better aerial array of consistency are provided.
Summary of the invention
The purpose of this utility model be exactly deficiency in order to solve prior art and the one provided not only each unit integral degree is high, novel structure, handling ease, size and performance also meet the combined anti-interference antenna of small form factor requirements.
The utility model adopts following technical solution to realize above-mentioned purpose: a kind of combined anti-interference antenna, comprise and organize antenna element more, each group antenna element all comprises low-frequency range antenna and high band antenna, it is characterized in that, described antenna element realizes the work of double frequency on same position, often organize the combining form that the low-frequency range antenna of antenna element and high band antenna adopt upper and lower lamination to arrange, or adopt the dual-frequency antenna combination form of integral type.
Further illustrating as such scheme, in the upper and lower laminated construction of described antenna element, low-frequency range antenna is arranged on lower floor, and high band antenna is arranged on upper strata.
Described laminated antenna adopts lower floor 50*50 antenna as low-frequency range antenna, and upper strata adopts 25*25 antenna as high band antenna.
In described Integral double-frequency antenna assembly construction, using high band antenna as center, low-frequency range antenna is arranged around high band antenna, has the circle via hole that metallize to surround between high band antenna and low-frequency range antenna, while realize two-frequency operation at body surface.
Described Integral double-frequency antenna, adopt 50*50 antenna as body, body center is as high band antenna, and outside body, radiating surface is as low-frequency range antenna.
Preferably, the quantity of described antenna element group is four groups, designs on array antenna simultaneously, and distribution form adopts the array of omnidirectional distribution.
The low-frequency range antenna of described antenna element and high band antenna all realize circular polarization by single feedback, offset-fed or double-fed.
Preferably, the low-frequency range antenna of antenna element adopts the form of double-fed to realize circular polarization, and high band antenna adopts single feedback form to realize circular polarization.
The applicable various navigation jamproof system field of described aerial array, comprises Big Dipper field, GPS field etc., and can increase the antenna of other system at middle or periphery, increases the versatility of anti-interference antenna.
Described antenna element as one independently combined antenna except being applied on planar array antenna, also can be applied in three-dimensional tapered battle array.
The beneficial effect that the utility model adopts above-mentioned technical solution to reach is:
1, the utility model adopts owing to carrying out combined antenna design, break the form of each unit separate design of traditional array antenna, comparable size chassis can adopt more low-k, the larger antenna element of swept area is as the basic structure of antenna array, and by the form of combined antenna, make bay have larger adjustment space, make each distance with frequency unit larger, obviously reduce intercoupling of antenna.
2, the utility model is optimized from two aspects antenna array element simultaneously, 2DBi is improve than the low-band gain of traditional antenna array element, make antenna array adjust space and become large, performance also improves significantly than traditional multi-element array antenna, meets the requirement of the low section gain of anti-jamming array array antenna; Moreover the design of this combined antenna cellular construction suitably, can carry out modularized design, are furnished with the needs of special outer cover and the application of joint fit.
Accompanying drawing explanation
Fig. 1 is same body combination antenna unit structure figure of the present utility model;
Fig. 2 is same body combination antenna unit structure figure of the present utility model;
Fig. 3 is same body combination antenna unit structure figure of the present utility model;
Fig. 4 is laminated antenna cellular construction figure of the present utility model;
Fig. 5 is laminated antenna cellular construction figure of the present utility model;
Fig. 6 is laminated antenna cellular construction figure of the present utility model;
Fig. 7 is four antenna element distribution maps of the aerial array of embodiment 1;
Fig. 8 is four antenna element distribution maps of the aerial array of embodiment 1;
Fig. 9 is four antenna element distribution maps of the aerial array of embodiment 1;
Figure 10 is four antenna element distribution maps of the aerial array of embodiment 2;
Figure 11 is four antenna element distribution maps of the aerial array of embodiment 2;
Figure 12 is four antenna element distribution maps of the aerial array of embodiment 2;
Figure 13 is conventional antenna array eight cell distribution figure.
Description of reference numerals: 1, antenna element 1-1, body 1-11, high band antenna 1-12, low-frequency range antenna 1-13, metallization via hole 1-2, PCB 1-3, coaxial connector 2-1, low-frequency range antenna 2-2, high band antenna 2-3, PCB 2-4, coaxial connector; A-1, A-2, A-3, A-4, low-frequency range antenna element B-1, B-2, B-3, B-4, high band antenna element.
Embodiment
Below in conjunction with specific embodiment, the technical program is explained in detail.
Embodiment 1
As shown in Figure 1-Figure 3, the utility model is a kind of combined anti-interference antenna, comprise many group antenna elements 1, each group antenna element 1 all comprises low-frequency range antenna and high band antenna, antenna element realizes the work of double frequency on same position, often organize the low-frequency range antenna of antenna element and the dual-frequency antenna combination form of high band antenna employing integral type, thus increase the pitch space of each antenna element, improve isolation and gain.Wherein, integral aerial uses same body 1-1, by radiating surface particular design, using high band antenna as center, low-frequency range antenna 1-12 is arranged around high band antenna 1-11, has the circle via hole 1-13 that metallizes to surround, form Integral double-frequency antenna between high band antenna and low-frequency range antenna, realize two-frequency operation at body surface simultaneously, and coordinate PCB 1-2 and coaxial connector 1-3 as one group of antenna element as Fig. 8; By the form of four groups of antenna element omnidirectional distribution, build up a complete anti-interference antenna system.
As shown in figs. 7 to 9, the metal circular chassis of diameter 180 is adopted.Traditional antenna battle array needed unit 8 to carry out structuring the formation as Figure 13 originally, because array base plate size is little, low-frequency range antenna element A-1, A-2, A-3, A-4 and high band antenna element B-1, B-2, B-3, B-4 arrange compact, first cause low-frequency range antenna volume limited, thus affect low-frequency range antenna performance, secondly traditional scheme is the compression of common-frequency aerial spacing, also makes the coupling between each antenna increase, affects antenna performance.The antenna combination design that the present embodiment adopts, adjacent High-frequency and low-frequency section antenna combination at the same area, the advantage of this design is, the low frequency radiation district dielectric constant more used than traditional low-frequency section antenna is low, swept area is large, radiation gain is strong, and save space, antenna element separation is enable to have more adjustment at small size substrate, reduce the mutual coupling with band antenna, be connected in corresponding mounting hole site by pcb board cabling and joint again, therefore can not affect the cooperation of lower floor's radio-frequency module.
Further illustrate, traditional antenna low-frequency range adopts 35*35*5 size, and high frequency adopts the size of 30*30*3 as figure.For the present embodiment see shown in Fig. 7-Fig. 9, combined antenna adopts 50*50*5 size, be-1.9 ~-2.19dBi by 30 degree, the elevation angle gain of new departure low-frequency range shown in the data of following table, traditional scheme performance is-4.9 ~-5.1dBi in low-frequency range, and high band antenna performance changes little.Emulation all shows with actual test, uses combined antenna to have clear improvement to antenna array element performance, is also the core of the utility model antenna array scheme design.
Traditional scheme performance
| Low-frequency antenna | H0 | H60 | High frequency antenna | H0 | H60 | H80 |
| A-1 | 0.85 | -4.9 | B-1 | 5 | -1.5 | -6.8 |
| A-2 | 0.8 | -5.1 | B-2 | 5.1 | -1.7 | -6.7 |
| A-3 | 0.81 | -5 | B-3 | 4.8 | -2 | -6.77 |
| A-4 | 0.9 | -4.9 | B-4 | 4.9 | -1.7 | -6.84 |
New Scheme performance:
| Low-frequency antenna | H0 | H60 | High frequency antenna | H0 | H60 | H80 |
| A-1 | 2.2 | -1.9 | B-1 | 4.7 | -1.3 | -6.3 |
| A-2 | 2.1 | -2.2 | B-2 | 4.6 | -1.4 | -6.4 |
| A-3 | 2.1 | -2.2 | B-3 | 4.6 | -1.2 | -6.1 |
| A-4 | 2.2 | -2.19 | B-4 | 4.7 | -1.3 | -6.3 |
Embodiment 2
As Figure 4-Figure 6, in the present embodiment, the combining form that the low-frequency range antenna of antenna element 1 and high band antenna adopt upper and lower lamination to arrange, low-frequency range antenna 2-1 is arranged on lower floor, high band antenna 2-2 is arranged on upper strata, and coordinates PCB 2-3 and coaxial connector 2-4 as one group of antenna element as Figure 10-Figure 12; By the form of four groups of antenna element omnidirectional distribution, build up a complete anti-interference antenna system.
In the present embodiment, low-frequency range antenna adopts 50*50*5 size, and high band antenna adopts 25*25*3 size, and effect is similar to embodiment 1, does not elaborate herein.
It should be noted that the unit root of the size of described antenna is determined according to actual conditions, can mm be selected, the units such as cm, m.
The utility model is owing to carrying out combined antenna design, break the form of each unit separate design of traditional array antenna, comparable size chassis can adopt more low-k, the larger antenna element of swept area is as the basic structure of antenna array, and by the form of combined antenna, make bay have larger adjustment space, make each distance with frequency unit larger, obviously reduce intercoupling of antenna.
It should be noted that each unit interval of described antenna array adjusts by the actual base plate provided, draw optimum battle array spacing.The applicable various navigation jamproof system field of aerial array, comprises Big Dipper field, GPS field etc., and can increase the antenna of other system at middle or periphery, increases the versatility of anti-interference antenna.Antenna element as one independently combined antenna except being applied on planar array antenna, also can be applied in three-dimensional tapered battle array.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (8)
1. a combined anti-interference antenna, comprise and organize antenna element more, each group antenna element all comprises low-frequency range antenna and high band antenna, it is characterized in that, described antenna element realizes the work of double frequency on same position, often organize the combining form that the low-frequency range antenna of antenna element and high band antenna adopt upper and lower lamination to arrange, or adopt the dual-frequency antenna combination form of integral type.
2. the combined anti-interference antenna of one according to claim 1, is characterized in that, in the upper and lower laminated construction of described antenna element, low-frequency range antenna is arranged on lower floor, and high band antenna is arranged on upper strata.
3. the combined anti-interference antenna of one according to claim 1 and 2, is characterized in that, the upper and lower laminated construction Zhong Cai lower floor 50*50 antenna of described antenna element is as low-frequency range antenna, and upper strata adopts 25*25 antenna as high band antenna.
4. the combined anti-interference antenna of one according to claim 1, it is characterized in that, in described Integral double-frequency antenna assembly construction, using high band antenna as center, low-frequency range antenna is arranged around high band antenna, has the circle via hole that metallizes to surround between high band antenna and low-frequency range antenna.
5. the combined anti-interference antenna of the one according to claim 1 or 4, is characterized in that, described Integral double-frequency antenna, and adopt 50*50 antenna as body, body center is as high band antenna, and outside body, radiating surface is as low-frequency range antenna.
6. the combined anti-interference antenna of one according to claim 1, is characterized in that, the quantity of described antenna element group is four groups, designs on array antenna simultaneously, and distribution form adopts the array of omnidirectional distribution.
7. the combined anti-interference antenna of one according to claim 1, is characterized in that, the low-frequency range antenna of described antenna element and high band antenna all realize circular polarization by single feedback, offset-fed or double-fed.
8. the combined anti-interference antenna of the one according to claim 1 or 7, is characterized in that, the low-frequency range antenna of antenna element adopts the form of double-fed to realize circular polarization, and high band antenna adopts single feedback form to realize circular polarization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394803.XU CN205081242U (en) | 2015-06-09 | 2015-06-09 | Combined anti -interference antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394803.XU CN205081242U (en) | 2015-06-09 | 2015-06-09 | Combined anti -interference antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081242U true CN205081242U (en) | 2016-03-09 |
Family
ID=55433624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520394803.XU Expired - Fee Related CN205081242U (en) | 2015-06-09 | 2015-06-09 | Combined anti -interference antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081242U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934724A (en) * | 2015-06-09 | 2015-09-23 | 广东盛路通信科技股份有限公司 | Combination type anti-interference antenna |
| CN112736449A (en) * | 2021-03-30 | 2021-04-30 | 成都天锐星通科技有限公司 | Dual-frequency common-aperture antenna structure and antenna array surface |
| CN113644439A (en) * | 2021-08-31 | 2021-11-12 | 维沃移动通信有限公司 | Antenna module and electronic device |
| CN114188706A (en) * | 2021-12-10 | 2022-03-15 | 长光卫星技术有限公司 | Double-frequency double-port double-antenna common-caliber integrated microstrip antenna |
| CN114696101A (en) * | 2022-04-24 | 2022-07-01 | 上海航天测控通信研究所 | Dual-frequency dual-circular-polarization common-caliber microstrip phased-array antenna |
-
2015
- 2015-06-09 CN CN201520394803.XU patent/CN205081242U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934724A (en) * | 2015-06-09 | 2015-09-23 | 广东盛路通信科技股份有限公司 | Combination type anti-interference antenna |
| CN112736449A (en) * | 2021-03-30 | 2021-04-30 | 成都天锐星通科技有限公司 | Dual-frequency common-aperture antenna structure and antenna array surface |
| CN112736449B (en) * | 2021-03-30 | 2021-07-06 | 成都天锐星通科技有限公司 | Dual-frequency common-aperture antenna structure and antenna array surface |
| CN113644439A (en) * | 2021-08-31 | 2021-11-12 | 维沃移动通信有限公司 | Antenna module and electronic device |
| CN114188706A (en) * | 2021-12-10 | 2022-03-15 | 长光卫星技术有限公司 | Double-frequency double-port double-antenna common-caliber integrated microstrip antenna |
| CN114696101A (en) * | 2022-04-24 | 2022-07-01 | 上海航天测控通信研究所 | Dual-frequency dual-circular-polarization common-caliber microstrip phased-array antenna |
| CN114696101B (en) * | 2022-04-24 | 2024-02-02 | 上海航天测控通信研究所 | Dual-frequency dual-circular polarization common-caliber microstrip phased array antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205081242U (en) | Combined anti -interference antenna | |
| CN106450714B (en) | A kind of Broadband circularly polarized antenna suitable for array | |
| CN106329116A (en) | Small-scale LTE multi-array antenna | |
| CN103703620B (en) | Wideband dual-polarization array antenna and base station | |
| CN104241827B (en) | A kind of multifrequency compatibility stacked microstrip antenna | |
| CN103296388B (en) | A kind of small ultra-wideband omnidirectional antenna | |
| CN204271252U (en) | For three satellite navigation aerials frequently of a Big Dipper generation and Beidou II B3 frequency range | |
| CN202930564U (en) | Multi-frequency satellite navigation antenna | |
| CN106299689B (en) | A kind of ultra wide band low section vertical depolarized omnidirectional antenna | |
| CN103560320A (en) | Beidou navigation system staggered triangle correction rectangular ring interlayer multi-feedback microstrip antenna | |
| CN207441975U (en) | A kind of small-sized battle array Shared aperture multiband composite array antenna | |
| CN203277644U (en) | Miniature broadband navigation antenna | |
| CN107275774A (en) | A kind of low section omnidirectional circular-polarized antenna of wide axle than wave beam | |
| CN104934724A (en) | Combination type anti-interference antenna | |
| CN105186118A (en) | Printed quasi-yagi antenna with parabolic boundary reflector | |
| CN203800163U (en) | Anti-interference antenna array capable of improving low elevation gain | |
| CN103855463A (en) | Anti-interference antenna array capable of increasing bottom elevation gains | |
| CN202513285U (en) | Multi-polarization microstrip patch antenna for loading zero order resonator | |
| CN111628286B (en) | Dual-frequency dual-circularly polarized antenna | |
| CN202797250U (en) | Navigation management array antenna radiator | |
| CN101060203A (en) | An improved dual-frequency and dual-circular-polarization high gain stacked microstrip antenna design method | |
| CN104617396B (en) | Double-frequency broadband micro-strip antenna with inclined ladder type tuning arms and lug-shaped coupling circular rings for Big Dipper | |
| CN203277647U (en) | High isolation dual-frequency navigation antenna | |
| CN103066384A (en) | Miniaturization broadband navigation antenna | |
| CN102570043A (en) | Multi-polarization microstrip patch antenna loading zero-order resonator |
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 |
Granted publication date: 20160309 Termination date: 20210609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |