CN104103913A - Small-sized plane reversed F loading array antenna - Google Patents
Small-sized plane reversed F loading array antenna Download PDFInfo
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- CN104103913A CN104103913A CN201410274578.6A CN201410274578A CN104103913A CN 104103913 A CN104103913 A CN 104103913A CN 201410274578 A CN201410274578 A CN 201410274578A CN 104103913 A CN104103913 A CN 104103913A
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- planar inverted
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 85
- 239000002184 metal Substances 0.000 claims abstract description 85
- 230000005855 radiation Effects 0.000 claims abstract description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract description 7
- 238000010168 coupling process Methods 0.000 abstract description 7
- 238000005859 coupling reaction Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 22
- 238000012913 prioritisation Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Abstract
The invention discloses a small-sized plane reversed F loading array antenna which comprises an antenna housing, a metal plate, a base, four plane reversed F antennas, a central loading body and four passive metal decoupling modules, wherein the metal plate clings to the upper surface of the base; the antenna housing is fixed on the base; the four plane reversed F antennas are uniformly distributed on the upper surface of the metal plate to form a square plane reversed F antenna array; and the central loading body is located in the center of the square plane reversed F antenna array, and connected with the upper surface of the metal plate. According to the antenna, the central loading body, namely a passive metal body or a central loading plane reversed F antenna, is arranged in the center of the square plane reversed F antenna array to broaden the bandwidth of the antenna; the passive metal decoupling modules are uniformly added between the plane reversed F antennas to weaken coupling; the antenna achieves switching of two radiation modes, namely directional 90-degree beam scanning and omnidirectional 360-degree beam scanning, within a wider frequency range; the antenna is high in efficiency, and stable and simple in structure; and the size of the antenna is reduced.
Description
Technical field
The present invention relates to field of array antennas, particularly the small-sized plane array of loading of falling F antenna.
Background technology
Antenna in aircraft communications system always in occupation of without desirable alternative status, in airborne communication system, often need antenna to there is special directional diagram to meet the needs of particular job, and array antenna technology can realize easily antenna beam excipient by the arranging of control antenna radiating element, the amplitude of antenna radiation unit, PHASE DISTRIBUTION and obtain the characteristic of high power, high-gain.Aircraft antenna is subject to the restriction of high altitude environment, and the size of antenna is little, and section is low, and needs to meet the requirement on electric performance such as polarization and directional diagram.The design of traditional airborne array antenna often adopts line style/planar microstrip array or waveguide gap array design, micro-strip array antenna has conductor and dielectric loss, easy excitation table ground roll, cause radiation efficiency low, aerial radiation near distance, compared with low-frequency range, the size of microstrip antenna is large, and this contradicts with airborne antenna small size design principle; For Waveguide slot battle array, between array element, coupling influence is larger, must consider inside and outside coupling effect, in actual applications, the coupling error of measuring by experiment between array element is larger, and experimental work amount is very large, and Waveguide slot array antenna is difficult to realize wide-band and broad beam scanning.
Plane inverse-F array antenna is compared advantage with other array antenna and is: without additional match circuit, and compact conformation, volume is little, lightweight, and cost is low, and individual antenna directional diagram has omni-directional in the horizontal direction, after composition array, easily realizes broad beam communication.But traditional planar inverted-F antenna bandwidth is narrower, in limited spatial dimension, form array after because the strong coupling between antenna element has caused the dissipation of antenna energy, antenna radiation efficiency is low, directional diagram often can not meet practical application.How to solve the deficiencies in the prior art and become field of array antennas a great problem urgently to be resolved hurrily.
Summary of the invention
Technical problem to be solved by this invention is that the small-sized plane array of loading of falling F antenna is provided in order to overcome the deficiencies in the prior art.Antenna of the present invention can be realized the switching of two kinds of radiation modes in wider frequency range: 360 ° of beam scannings of directed 90 ° of beam scannings and omnidirectionals, this antenna efficiency is high, simple in structure, stable and volume is little.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
The small-sized plane array of loading of the falling F antenna proposing according to the present invention, comprise radome, metallic plate and pedestal, metallic plate is close to pedestal upper surface, and radome is fixed on pedestal, also comprises four planar inverted-F antennas, center loaded body and four passive metal decoupling modules;
Wherein, four planar inverted-F antennas are evenly arranged in metallic plate upper surface and form square planar inverted F antenna array, center loaded body is positioned at square planar inverted F antenna array center and is connected with metallic plate upper surface, and four passive metal decoupling modules are evenly arranged between four planar inverted-F antennas and with metallic plate upper surface and are connected.
As the further prioritization scheme of the small-sized plane array of loading of falling F antenna of the present invention, described center loaded body is passive metal body.
As the further prioritization scheme of the small-sized plane array of loading of falling F antenna of the present invention, described passive metal body comprises circular metal plate and metal column, and circular metal plate is arranged on metal column, and metal column is connected with metallic plate upper surface.
As the further prioritization scheme of the small-sized plane array of loading of falling F antenna of the present invention, loaded planar inverse-F antenna centered by described center loaded body.
As the further prioritization scheme of the small-sized plane array of loading of falling F antenna of the present invention, described passive metal decoupling module is copper post.
As the further prioritization scheme of the small-sized plane array of loading of falling F antenna of the present invention, described metallic plate is copper coin, and pedestal is aluminium base.
As the further prioritization scheme of the small-sized plane array of loading of falling F antenna of the present invention, described radome adopts fiber glass epoxy radome.
As the further prioritization scheme of the small-sized plane array of loading of falling F antenna of the present invention, the metal radiation plane of described planar inverted-F antenna is ellipse or circle or rectangle or rectangle and trapezoidal combination.
As the further prioritization scheme of the small-sized plane array of loading of falling F antenna of the present invention, the metal radiation plane of described center loaded planar inverted-F antenna is the quadrangle that curve forms.
The present invention adopts above technical scheme compared with prior art, there is following technique effect: the present invention adopts four planar inverted-F antennas to form square planar inverted F antenna array, at square planar inverted F antenna array center, center loaded body is set: passive metal body or center loaded planar inverted-F antenna, with the broadening beamwidth of antenna; Between square planar inverted F antenna array, evenly add passive metal decoupling module to weaken coupling, planar inverted-F antenna radiator plane is close to dielectric radome, not only makes antenna structure stable, and has reduced the size of antenna; Antenna of the present invention is realized the switching of two kinds of radiation modes in wider frequency range: 360 ° of beam scannings of directed 90 ° of beam scannings and omnidirectionals; This antenna efficiency is high, simple in structure, stable and volume is little.
Accompanying drawing explanation
Fig. 1 is the array antenna structure schematic diagram that center loaded body of the present invention is passive metal body.
Fig. 2 is the array antenna structure schematic diagram of loaded planar inverse-F antenna centered by center loaded body of the present invention.
Fig. 3 is that the metal radiation plane of planar inverted-F antenna is oval-shaped floor map.
Fig. 4 is that the metal radiation plane of planar inverted-F antenna is circular floor map.
Fig. 5 is the floor map that the metal radiation plane of planar inverted-F antenna is rectangle.
Fig. 6 is that the metal radiation plane of planar inverted-F antenna is the floor map of rectangle and trapezoidal composition.
Fig. 7 be the metal radiation plane of planar inverted-F antenna be oblique pull top board mode floor map.
Fig. 8 is that center loaded body is passive metal body plane schematic diagram.
Fig. 9 is loaded planar inverse-F antenna floor map centered by center loaded body.
Figure 10 be in four TNC joints one as feed port, all the other 3 TNC joints connect the standing-wave ratio curve chart of 50 Ω loads.
Figure 11 is for equate to four TNC joint feed-in amplitudes simultaneously, standing-wave ratio curve chart during 90 ° of signals of phase phasic difference.
Figure 12 is that in four TNC joints one is as feed port, all the other 3 TNC joints connect the directional diagram of 50 Ω loads: be (a) the TNC joint feed to 0 ° of direction, all the other 3 TNC joints connect the directional diagram of 50 Ω loads, (b) be the TNC joint feed to 90 ° of directions, all the other 3 TNC joints connect the directional diagram of 50 Ω loads, (c) be the TNC joint feed to 180 ° of directions, all the other 3 TNC joints connect the directional diagram of 50 Ω loads, (d) be the TNC joint feed to 270 ° of directions, all the other 3 TNC joints connect the directional diagram of 50 Ω loads.
Figure 13 is for equate to four TNC joint feed-in amplitudes simultaneously, directional diagram during 90 ° of signals of phase phasic difference.
Reference numeral: 1-radome, 2-metallic plate, 3-pedestal, 4-planar inverted-F antenna, 5-passive metal body, 6-center loaded planar inverted-F antenna, 7-passive metal decoupling module, 8-circular metal plate, 9-metal column, the metal radiation plane of 10-planar inverted-F antenna, the metal radiation plane of 11-center loaded planar inverted-F antenna, the coaxial TNC joint of 12-.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
The array antenna structure schematic diagram that center loaded body of the present invention is passive metal body as shown in Figure 1, the small-sized plane array of loading of falling F antenna, comprise radome 1, metallic plate 2 and pedestal 3, metallic plate 2 is close to pedestal 3 upper surfaces, radome 1 is fixed on pedestal 3, also comprises four planar inverted-F antennas 4, center loaded body and four passive metal decoupling modules 7; Wherein, four planar inverted-F antennas 4 are evenly arranged in metallic plate 2 upper surfaces and form square planar inverted F antenna array, center loaded body is positioned at square planar inverted F antenna array center and is connected with metallic plate 3 upper surfaces, and four passive metal decoupling modules 7 are fixed on metallic plate 2 and are evenly arranged between four planar inverted-F antennas 4.Center loaded body is passive metal body 5, and passive metal decoupling module 7 is copper post, can weaken the coupling between antenna.
As shown in Figure 1, metallic plate 2 can be square metal plate, size is 120mm*120mm, planar inverted-F antenna 4 comprises metal radiation plane, short circuit post and feeder pillar, metal radiation plane is oval structure, radiator plane center is 47.5mm to metallic plate central horizontal distance, and the major axis of elliptic radiation plane and minor axis are all perpendicular to metal edges of boards, four planar inverted-F antennas 4 are all symmetrical about the center line on each limit of square metal plate, form square planar inverted F antenna array, center loaded body is positioned at square planar inverted F antenna array center and is connected with metallic plate 3 upper surfaces, four passive metal decoupling modules 7 are evenly arranged between four planar inverted-F antennas 4 and with metallic plate 2 upper surfaces and are connected, the horizontal range at passive metal decoupling module centers and square metal plate center is 67.88mm, and always there is a straight line through passive metal decoupling module 7 surperficial circular diameters parallel with square metal plate upper surface diagonal, symmetrical about square metal plate upper surface diagonal between four passive metal decoupling modules 7.Center loaded body is passive metal body 5.Passive metal decoupling module 7 is copper post, can weaken the coupling between antenna.
Fig. 2 is the array antenna structure schematic diagram of loaded planar inverse-F antenna centered by center loaded body of the present invention, loaded planar inverse-F antenna 6 centered by center loaded body.
Fig. 3 is that the metal radiation plane of planar inverted-F antenna is oval-shaped floor map, Fig. 4 is that the metal radiation plane of planar inverted-F antenna is circular floor map, Fig. 5 is the floor map that the metal radiation plane of planar inverted-F antenna is rectangle, Fig. 6 is that the metal radiation plane of planar inverted-F antenna is the floor map of rectangle and trapezoidal composition, Fig. 7 be the metal radiation plane of planar inverted-F antenna be oblique pull top board mode floor map.Planar inverted-F antenna comprises metal radiation plane, short circuit post and feeder pillar, and the metal radiation plane 10 that this five width figure is planar inverted-F antenna is ellipse or circle or rectangle or rectangle and trapezoidal combination.
Fig. 8 is that center loaded body is passive metal body plane schematic diagram, and passive metal body 5 comprises circular metal plate 8 and metal column 9, and circular metal plate 8 is arranged on metal column 9, and metal column 9 is connected with metallic plate 2 upper surfaces.Fig. 9 is loaded planar inverse-F antenna floor map centered by center loaded body, and center loaded planar inverted-F antenna 6 comprises metal radiation plane, short circuit post, feeder pillar, the quadrangle that the metal radiation plane 11 of center loaded planar inverted-F antenna forms for curve.
Metallic plate 2 is copper coin; Pedestal 3 is aluminium base, can alleviate antenna weight.Radome 1 adopts fiber glass epoxy radome, and the radome of fiber glass epoxy is close to the whole height that square planar inverted F antenna array effectively reduces the size of planar inverted-F antenna metal radiation plane 10 and reduced antenna.
Figure 10 be in four TNC joints one as feed port, all the other 3 TNC joints connect the standing-wave ratio curve chart of 50 Ω loads.Figure 11 is for equate to four TNC joint feed-in amplitudes simultaneously, standing-wave ratio curve chart during 90 ° of signals of phase phasic difference.Figure 12 is that in four TNC joints one is as feed port, all the other 3 TNC joints connect the directional diagram of 50 Ω loads: be (a) the TNC joint feed to 0 ° of direction, all the other 3 TNC joints connect the directional diagram of 50 Ω loads, (b) be the TNC joint feed to 90 ° of directions, all the other 3 TNC joints connect the directional diagram of 50 Ω loads, (c) be the TNC joint feed to 180 ° of directions, all the other 3 TNC joints connect the directional diagram of 50 Ω loads, (d) be the TNC joint feed to 270 ° of directions, all the other 3 TNC joints connect the directional diagram of 50 Ω loads.Figure 13 is for equate to four TNC joint feed-in amplitudes simultaneously, directional diagram during 90 ° of signals of phase phasic difference.The present invention all can realize the switching of the orientation/omnidirectional of antenna in wider frequency band range.
The present invention adopts four coaxial TNC joints 12 through pedestal 3 and is connected with the feeder pillar of four planar inverted-F antennas 4 respectively, when giving planar inverted-F antenna 4 feeder pillar feeds by any one TNC joint 12, when other port connects 50 Ω load, can realize 90 ° of beam-forming scannings of antenna, when equate to four planar inverted-F antenna 4 feed-in amplitudes simultaneously but during the signal of 90 ° of phase phasic differences, antenna can be realized 360 ° of omni-beam scannings; Antenna of the present invention adopts use center loaded planar inverted-F antenna 6 modes as shown in Figure 2 also can realize the switching of directed and omnidirectional, this center loaded planar inverted-F antenna 6 comprises that four limits are the metal radiation plane of curve, short circuit post, feeder pillar, when giving any one planar inverted-F antenna 4 feed of surrounding, can realize 90 ° of beam scannings of antenna, now center loaded body is equivalent to the function that passive metal body 5 is risen, the beamwidth of antenna can be increased, when giving center loaded planar inverted-F antenna 10 feed separately, 360 ° of beam scannings of omnidirectional can be realized.The present invention all can realize the switching of the orientation/omnidirectional of antenna in wider bandwidth range.
Specific implementation can be divided into the following steps: the first step, and by the short circuit column bottom of four planar inverted-F antennas 4, center loaded body, screwed hole is stamped in four passive metal decoupling module 7 bottoms, is then screwed on metallic plate 2; Second step, is positioned over metallic plate 2 on pedestal 3, and pedestal 3 punchings facilitate the screw in the first step to sink in hole, guarantees that pedestal 3 and 2 of metallic plates do not stay gap, in metallic plate 2 and pedestal 3 surrounding punchings, and is screwed; The 3rd step, the pedestal 3 by four coaxial TNC joints 12 through bear, is connected with the feeder pillar of planar inverted-F antenna 4, and coaxial TNC joint 12 surroundings are added to screw is fixed on metallic plate 2; The 4th step, is screwed radome 1 on pedestal 3.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention for this reason, every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection range of the present invention.
Claims (9)
1. the small-sized plane array of loading of falling F antenna, comprise radome, metallic plate and pedestal, metallic plate is close to pedestal upper surface, and radome is fixed on pedestal, it is characterized in that, also comprise four planar inverted-F antennas, center loaded body and four passive metal decoupling modules;
Wherein, four planar inverted-F antennas are evenly arranged in metallic plate upper surface and form square planar inverted F antenna array, center loaded body is positioned at square planar inverted F antenna array center and is connected with metallic plate upper surface, and four passive metal decoupling modules are evenly arranged between four planar inverted-F antennas and with metallic plate upper surface and are connected.
2. the small-sized plane array of loading of falling F antenna according to claim 1, is characterized in that, described center loaded body is passive metal body.
3. the small-sized plane array of loading of falling F antenna according to claim 2, is characterized in that, described passive metal body comprises circular metal plate and metal column, and circular metal plate is arranged on metal column, and metal column is connected with metallic plate upper surface.
4. the small-sized plane array of loading of falling F antenna according to claim 1, is characterized in that, loaded planar inverse-F antenna centered by described center loaded body.
5. the small-sized plane array of loading of falling F antenna according to claim 1, is characterized in that, described passive metal decoupling module is copper post.
6. the small-sized plane array of loading of falling F antenna according to claim 1, is characterized in that, described metallic plate is copper coin, and pedestal is aluminium base.
7. the small-sized plane array of loading of falling F antenna according to claim 1, is characterized in that, described radome adopts fiber glass epoxy radome.
8. the small-sized plane array of loading of falling F antenna according to claim 1, is characterized in that, the metal radiation plane of described planar inverted-F antenna is ellipse or circle or rectangle or rectangle and trapezoidal combination.
9. the small-sized plane array of loading of falling F antenna according to claim 4, is characterized in that, the metal radiation plane of described center loaded planar inverted-F antenna is the quadrangle that curve forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274578.6A CN104103913B (en) | 2014-06-18 | 2014-06-18 | Small-sized plane reversed F loading array antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274578.6A CN104103913B (en) | 2014-06-18 | 2014-06-18 | Small-sized plane reversed F loading array antenna |
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| Publication Number | Publication Date |
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| CN104103913A true CN104103913A (en) | 2014-10-15 |
| CN104103913B CN104103913B (en) | 2017-02-15 |
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| CN201410274578.6A Active CN104103913B (en) | 2014-06-18 | 2014-06-18 | Small-sized plane reversed F loading array antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428814A (en) * | 2015-12-31 | 2016-03-23 | 徐兆东 | Microstrip antenna array for detecting low-altitude, slow-speed and small-target radar |
| CN107895849A (en) * | 2017-11-16 | 2018-04-10 | 上海守远通讯科技有限公司 | The Internet of Things antenna of intelligent charging spot |
| CN109533392A (en) * | 2018-12-07 | 2019-03-29 | 西安飞机工业（集团）有限责任公司 | A kind of antenna cover inner surface foil gauge patch location determines method |
| US10522915B2 (en) | 2017-02-01 | 2019-12-31 | Shure Acquisition Holdings, Inc. | Multi-band slotted planar antenna |
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| CN101159352A (en) * | 2006-09-11 | 2008-04-09 | 蒂科电子公司 | Multiple antenna array with high isolation |
| EP1291973B1 (en) * | 2000-03-27 | 2008-07-30 | China Academy of Telecommunications Technology | A method for improving intelligent antenna array coverage |
| CN203423258U (en) * | 2013-08-29 | 2014-02-05 | 成都九洲电子信息系统股份有限公司 | RFID antenna |
| CN204011741U (en) * | 2014-06-18 | 2014-12-10 | 南京信息工程大学 | The small-sized plane array of loading of falling F antenna |
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2014
- 2014-06-18 CN CN201410274578.6A patent/CN104103913B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1291973B1 (en) * | 2000-03-27 | 2008-07-30 | China Academy of Telecommunications Technology | A method for improving intelligent antenna array coverage |
| CN101159352A (en) * | 2006-09-11 | 2008-04-09 | 蒂科电子公司 | Multiple antenna array with high isolation |
| CN203423258U (en) * | 2013-08-29 | 2014-02-05 | 成都九洲电子信息系统股份有限公司 | RFID antenna |
| CN204011741U (en) * | 2014-06-18 | 2014-12-10 | 南京信息工程大学 | The small-sized plane array of loading of falling F antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428814A (en) * | 2015-12-31 | 2016-03-23 | 徐兆东 | Microstrip antenna array for detecting low-altitude, slow-speed and small-target radar |
| US10522915B2 (en) | 2017-02-01 | 2019-12-31 | Shure Acquisition Holdings, Inc. | Multi-band slotted planar antenna |
| CN107895849A (en) * | 2017-11-16 | 2018-04-10 | 上海守远通讯科技有限公司 | The Internet of Things antenna of intelligent charging spot |
| CN109533392A (en) * | 2018-12-07 | 2019-03-29 | 西安飞机工业（集团）有限责任公司 | A kind of antenna cover inner surface foil gauge patch location determines method |
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| CN104103913B (en) | 2017-02-15 |
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Address after: Room 420, block C, Kechuang headquarters building, 320 pubin Road, Jiangpu street, Pukou District, Nanjing City, Jiangsu Province, 211800 Patentee after: Nanjing University of Information Science and Technology Address before: 210044 No. 219, Ning six road, Nanjing, Jiangsu Patentee before: Nanjing University of Information Science and Technology |
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Application publication date: 20141015 Assignee: Nanjing Qiyun Zhongtian Technology Co.,Ltd. Assignor: Nanjing University of Information Science and Technology Contract record no.: X2023320000238 Denomination of invention: Small planar inverted F-loaded array antenna Granted publication date: 20170215 License type: Common License Record date: 20231121 |
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Application publication date: 20141015 Assignee: Fujian hefuyun Information Technology Co.,Ltd. Assignor: Nanjing University of Information Science and Technology Contract record no.: X2023980051730 Denomination of invention: Small planar inverted F-loaded array antenna Granted publication date: 20170215 License type: Common License Record date: 20231212 |