CN1815811B - Composite microband printing vibrator wide-band antenna - Google Patents
Composite microband printing vibrator wide-band antenna Download PDFInfo
- Publication number
- CN1815811B CN1815811B CN 200510005023 CN200510005023A CN1815811B CN 1815811 B CN1815811 B CN 1815811B CN 200510005023 CN200510005023 CN 200510005023 CN 200510005023 A CN200510005023 A CN 200510005023A CN 1815811 B CN1815811 B CN 1815811B
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- oscillator
- antenna
- balanced
- unit
- oscillator arms
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- 238000007639 printing Methods 0.000 title claims description 18
- 239000002131 composite material Substances 0.000 title description 5
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 230000003071 parasitic effect Effects 0.000 claims description 25
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 2
- 238000006880 cross-coupling reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
Abstract
The disclosed antenna includes floor, microstrip vibrator unit. The vibrator unit includes medium substrate, vibrator arm, and balance-imbalance converter. The said vibrator arm is located at surface of one side of the medium substrate, and the balance-imbalance converter is located at surface of the other side of the medium substrate. Composition units are set up at two sides of the vibrator arm, as well as are set up at two sides of the balance-imbalance converter. Through metallized holes, composition units on two sides of the balance-imbalance converter are coupled to composition units on two sides of the vibrator arm. Adjusting spaces between the vibrator arm and the composition units controls spatial bandwidth. Antenna array composed of microstrip antennae of having composition unit can reduces cross coupling among antenna units.
Description
Technical field
The present invention relates to a kind of microband printing vibrator antenna that is used for electronic equipments such as radio communication, radar, electronic navigation and electronic countermeasures, relate in particular to a kind of microband printing vibrator wide-band antenna with composite construction.
Background technology
In field of wireless communication because the micro-strip oscillator antenna has compact conformation, frequency range is wide, volume is little, in light weight, easy to make, therefore be widely used in the antenna systems such as communication, radar, electronic navigation.
For antenna, impedance is two important Q factors with the frequency bandwidth and the antenna pattern main lobe half-power spatial bandwidth of frequency change.Before this, a lot of innovation and creation all concentrate on the problem how to widen frequency bandwidth.But narrow and relatively-stationary problem can not be improved before this for the microstrip antenna spatial bandwidth.At present, general dipole antenna major lobe of directional diagram width B W
3dbOnly can reach 60 °～80 ° level.In addition, when antenna is lined up aerial array, because the mutual coupling phenomenon that antenna produces each other also makes the operating efficiency of antenna array reduce.
Summary of the invention
Technical problem to be solved by this invention is how to improve the spatial bandwidth of microstrip antenna; And how the spatial bandwidth of microstrip antenna is effectively controlled, thereby can obtain specific spatial bandwidth value in different spatial positions according to needs of different applications.
The invention provides a kind of microband printing vibrator antenna, comprise the micro-strip oscillator unit that floor and at least one are connected with the floor; This oscillator unit comprises dielectric substrate, oscillator arms and balanced-unbalanced transformer; Wherein, Said oscillator arms is positioned on the side surface of said dielectric substrate; Said balanced-unbalanced transformer is positioned on the opposite side surface of said dielectric substrate, on said balanced-unbalanced transformer surface, is provided with distributing point, and this distributing point links to each other with the inner core of coaxial connector; Both sides in said oscillator arms are provided with recombiner unit, also are provided with recombiner unit in said balanced-unbalanced transformer both sides; The recombiner unit of said balanced-unbalanced transformer both sides links to each other with the recombiner unit of said oscillator both sides through plated-through hole, and whole recombiner units all links to each other with the floor.
Because the recombiner unit in the said antenna is to be printed on the dielectric substrate identical with antenna, therefore said microstrip antenna has simple in structurely, easy to process, and accurate positioning, debugging are easy to characteristics.Again because the radiation of radiation that induced current produced in the said recombiner unit and said antenna oscillator arm produces stack in the space; Through position, the size that changes said recombiner unit; Can change antenna E face directional diagram lobe easily; Thereby the change antenna pattern has improved the scan angle of E, H face and 45 ° of faces.In addition, when utilizing this microstrip antenna to form antenna array, because the existence of said recombiner unit; Therefore play the effect of shielding for the entire antenna unit, can reduce the mutual coupling between antenna element, improved the efficient of antenna; Reduce the secondary lobe of antenna, improve the standing-wave ratio bandwidth.
Through hereinafter with reference to accompanying drawing to description and claim that the present invention did, other purpose of the present invention will be obvious with achievement, and can comprehensive understanding be arranged to the present invention.
Description of drawings
Fig. 1 is a structure side view according to an embodiment of the invention.
Fig. 2 is a structural front view according to an embodiment of the invention.
Fig. 3 is a structure rearview according to an embodiment of the invention.
Fig. 4 is the front view according to an oscillator unit in another embodiment of the present invention structure.
Fig. 5 is the rearview according to an oscillator unit in another embodiment of the present invention structure.
Fig. 6 is the end view according to another embodiment of the present invention structure.
Fig. 7 is the opposite side view according to another embodiment of the present invention structure.
Fig. 8 is the directional diagram after the present invention adds recombiner unit.
Fig. 9 is the standing wave test curve figure of the embodiment of the invention.
In all above-mentioned accompanying drawings, identical label representes to have identical, similar or corresponding feature or function.
Embodiment
Fig. 1-3 is depicted as an embodiment of composite microband printing vibrator wide-band antenna, comprises a micro-strip oscillator unit in the present embodiment.According to shown in Figure 1, micro-strip oscillator unit 2 stands on the floor 1.According to shown in Figure 2, said micro-strip oscillator unit comprises dielectric substrate 21, oscillator arms 22 and balanced-unbalanced transformer 23 (as shown in Figure 3) for 2 yuan.Said oscillator arms 22 and all be positioned on the surface of dielectric substrate 21 1 sides as the parasitic patch 241,242 of recombiner unit, and parasitic patch 241 and 242 is positioned at the both sides of oscillator arms 22.Oscillator arms 22 is connected with the floor through bonding jumper 26 (as shown in Figure 2) with parasitic patch 241,242.On parasitic patch 241 and 242, be provided with at least one plated-through hole 251 and 252.In Fig. 3,23 representatives are positioned at a balanced-unbalanced transformer on medium substrate 21 opposite sides surface, in these balanced-unbalanced transformer 23 both sides one parasitic patch 243 and 244 are arranged respectively also.On this balanced-unbalanced transformer 23, be provided with distributing point 231, and distributing point 231 links to each other with coaxial connector 27.On parasitic patch 243 and 244, be provided with at least one plated-through hole 253,254 equally; This plated-through hole 253 communicates with plated-through hole 252 among Fig. 2; Thereby parasitic patch 242 is linked to each other with 243; Plated-through hole 254 communicates with plated-through hole 251 among Fig. 2 among Fig. 3, and parasitic patch 241 is linked to each other with 244.During antenna work; By balanced-unbalanced transformer 23 to oscillator unit feed; The radiation field that induced current produced in radiation field that radiation current produced in the oscillator arms 22 and the parasitic patch 241,242,243,244 can superpose in the space, thereby has widened the spatial bandwidth of microstrip antenna.Can reach needed spatial bandwidth to the distance of oscillator arms longitudinal centre line and the height value of oscillator cell distance base plate through regulating the parasitic patch edge.Parasitic patch is far away more apart from oscillator arms, and said microstrip antenna spatial bandwidth is big more, and parasitic patch is near more apart from oscillator arms, and said microstrip antenna spatial bandwidth is more little.In addition, when the bigger spatial bandwidth of needs, can the umbrella oscillator arms be opened to a big angle, also bigger corresponding to the parasitic patch height; When the smaller spatial bandwidth of needs, can the umbrella oscillator arms be opened to a little angle, also less corresponding to the parasitic patch height.
Fig. 4-7 is depicted as microband printing and shakes in another embodiment of broad-band antenna.Comprise the micro-strip oscillator unit that two " ten " words intersect in the present embodiment.As shown in Figure 4, each micro-strip oscillator unit all comprises umbrella shape oscillator arms 22, dielectric substrate 21 and balanced-unbalanced transformer 23 (as shown in Figure 5).Oscillator arms 22 all is positioned on the surface of dielectric substrate 21 the same sides with parasitic patch 241,242, and parasitic patch 241 and 242 is positioned at the both sides of oscillator arms 22.Oscillator arms 22 and parasitic patch 241,242 are through bonding jumper 26 be connected with the floor (as shown in Figure 4).On parasitic patch 241 and 242, be provided with at least one plated-through hole 251 and 252.In Fig. 5,23 representatives are positioned at the lip-deep balanced-unbalanced transformer of medium substrate 21 opposite sides, in these balanced-unbalanced transformer both sides one parasitic patch 243 and 244 are arranged respectively also.On this balanced-unbalanced transformer 23, be provided with distributing point 231, and distributing point 231 links to each other with coaxial connector 27.On parasitic patch 243 and 244, be provided with plated-through hole 253,254 equally; This plated-through hole 253 communicates with plated-through hole 252 among Fig. 4; Thereby parasitic patch 242 is linked to each other with 243, and the plated-through hole 254 among Fig. 5 communicates with plated-through hole 251 among Fig. 4, makes 241 to link to each other with 244.Each oscillator unit is provided with slit 28 along its vertical longitudinal centre line, makes two micro-strip oscillator unit to intersect like Fig. 6 and shown in Figure 7 being " ten " font.Like this two oscillator unit are intersected and just constituted double polarized micro strip antenna.
Fig. 8-9 is for being operated on the 2.4Ghz frequency range, and the dielectric substrate dielectric constant is 2.65 o'clock, has the microstrip antenna performance test figure of parasitic patch.Fig. 8 is the directional diagram of said microstrip antenna, and wherein ADPTotal at phi=0 represents E face directional diagram, and ADPTotal at phi=90 represents H face directional diagram.By Fig. 8 visible, at the main lobe width BW that has increased after the parasitic patch on three directions
3dbAll greater than 100 °.Fig. 9 is a composite microband printing vibrator wide-band antenna standing wave test curve, and the frequency bandwidth that can see this antenna still can reach more than 0.38 in-10dB, has reached more than 10% of this center of antenna frequency 2.4Ghz.It is thus clear that microstrip antenna is after having increased parasitic patch, the frequency bandwidth of antenna is not affected.
When adopting microstrip antenna involved in the present invention to form antenna array; Owing to added recombiner unit in the oscillator unit; Therefore play the effect of shielding for entire antenna, thereby in effective control antenna spatial bandwidth, can also mask the signal of other antenna emission in the antenna array to a certain extent; Thereby reduced the mutual coupling between antenna element, improved the operating efficiency of antenna.
Technology contents of the present invention and technical characterstic have disclosed according to last, yet one of ordinary skill in the art still possibly make all substituting and revising of spirit of the present invention that do not deviate from based on teaching of the present invention and disclosure.Therefore, protection scope of the present invention should be not limited to the content that embodiment discloses, and should comprise various of the present invention the substituting and correction of not deviating from, and is contained by the aforesaid right claim.
Claims (10)
1. microband printing vibrator antenna comprises:
A floor; With
The micro-strip oscillator unit that at least one is connected with this floor;
This micro-strip oscillator unit comprises dielectric substrate, oscillator arms and balanced-unbalanced transformer; Wherein, Said oscillator arms is positioned on the side surface of said dielectric substrate; Said balanced-unbalanced transformer is positioned on the opposite side surface of said dielectric substrate, on said balanced-unbalanced transformer surface, is provided with distributing point;
A coaxial connector, this coaxial connector links to each other with the lip-deep distributing point of said balanced-unbalanced transformer;
The left and right sides on surface, said oscillator arms place is provided with recombiner unit, also is provided with recombiner unit in the left and right sides on surface, said balanced-unbalanced transformer place; The recombiner unit that said balanced-unbalanced transformer belongs to the surperficial left and right sides links to each other with the recombiner unit that said oscillator belongs to the surperficial left and right sides through plated-through hole, and whole recombiner units all links to each other with said floor.
2. microband printing vibrator antenna according to claim 1, wherein said antenna comprise that two are the micro-strip oscillator unit that " ten " word intersects.
3. microband printing vibrator antenna according to claim 1 and 2, wherein said recombiner unit are coupled pole or parasitic patch.
4. microband printing vibrator antenna according to claim 1 and 2; Wherein be provided with in the lower end of said dielectric substrate and the contacted metal band in floor, said oscillator arms and the recombiner unit that is positioned at the oscillator arms both sides are connected with said floor through this metal band.
5. microband printing vibrator antenna according to claim 1 and 2, wherein said antenna have two oscillator arms and this oscillator arms is downward open umbrella-shaped structure.
6. microband printing vibrator antenna according to claim 1 and 2, wherein said antenna have two oscillator arms and this oscillator arms is the open umbrella-shaped structure that makes progress.
7. microband printing vibrator antenna according to claim 1 and 2, wherein said antenna have two oscillator arms and this oscillator arms is the open umbrella-shaped structure of level.
8. microband printing vibrator antenna according to claim 1 and 2 is wherein controlled the spatial bandwidth of antenna through the spacing of regulating said recombiner unit and oscillator arms.
9. microband printing vibrator antenna according to claim 1 and 2 is wherein controlled the spatial bandwidth of antenna through the height of regulating said recombiner unit.
10. an aerial array is made up of more than one microband printing vibrator antenna, and said antenna comprises:
A floor;
With at least one micro-strip oscillator unit that is connected with this floor;
This micro-strip oscillator unit comprises dielectric substrate, oscillator arms and balanced-unbalanced transformer; Wherein, Said oscillator arms is positioned on the side surface of said dielectric substrate; Said balanced-unbalanced transformer is positioned on the opposite side surface of said dielectric substrate, on said balanced-unbalanced transformer surface, is provided with distributing point;
A coaxial connector, this coaxial connector links to each other with the lip-deep distributing point of said balanced-unbalanced transformer;
Said oscillator arms belongs to the surperficial left and right sides and is provided with recombiner unit, belongs to the surperficial left and right sides at said balanced-unbalanced transformer and also is provided with recombiner unit; The recombiner unit that said balanced-unbalanced transformer belongs to the surperficial left and right sides links to each other with the recombiner unit that said oscillator belongs to the surperficial left and right sides through plated-through hole, and whole recombiner units all links to each other with said floor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510005023 CN1815811B (en) | 2005-01-31 | 2005-01-31 | Composite microband printing vibrator wide-band antenna |
| PCT/IB2006/050295 WO2006079993A1 (en) | 2005-01-31 | 2006-01-27 | Broadband microstrip antenna with printed dipoles and grounded parasitic patches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510005023 CN1815811B (en) | 2005-01-31 | 2005-01-31 | Composite microband printing vibrator wide-band antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1815811A CN1815811A (en) | 2006-08-09 |
| CN1815811B true CN1815811B (en) | 2012-05-09 |
Family
ID=36215720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510005023 Expired - Fee Related CN1815811B (en) | 2005-01-31 | 2005-01-31 | Composite microband printing vibrator wide-band antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1815811B (en) |
| WO (1) | WO2006079993A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1394170B1 (en) * | 2009-05-08 | 2012-05-25 | Lea Antenne & Progetti S P A | MODULAR ANTENNA SUITABLE FOR TETRA BASE RADIO STATIONS |
| FR2946805B1 (en) * | 2009-06-11 | 2012-03-30 | Alcatel Lucent | RADIANT ELEMENT OF ANTENNA |
| CN102142603A (en) * | 2010-01-29 | 2011-08-03 | 奇胜澳大利亚有限公司 | Dipole antenna |
| CA2772517A1 (en) * | 2011-03-25 | 2012-09-25 | Pc-Tel, Inc. | High isolation dual polarized dipole antenna elements and feed system |
| CN102810731B (en) * | 2011-05-31 | 2015-03-11 | 深圳光启创新技术有限公司 | Dual-polarized antenna and MIMO (multiple input multiple output) antenna with same |
| CN103178335A (en) * | 2011-12-20 | 2013-06-26 | 广东博纬通信科技有限公司 | Dual polarization broadband patch antenna |
| CN105098377A (en) * | 2014-04-30 | 2015-11-25 | 西门子公司 | Dual polarized antenna unit, dual polarized antenna array and radio access point |
| CN104518290A (en) * | 2014-12-23 | 2015-04-15 | 陕西特恩电子科技有限公司 | Phased array radar antenna for L-band wide-angle scanning |
| CN104795642A (en) * | 2014-12-31 | 2015-07-22 | 武汉滨湖电子有限责任公司 | P-band dual-polarized micro strip dipole antenna unit |
| WO2016132323A2 (en) * | 2015-02-19 | 2016-08-25 | Galtronics Corporation Ltd. | Wide-band antenna |
| CN105406179B (en) * | 2015-11-06 | 2018-08-21 | 中国电子科技集团公司第三十八研究所 | A kind of high-gain end-fire conformal antenna |
| CN106785360A (en) * | 2016-11-29 | 2017-05-31 | 上海无线电设备研究所 | The dual polarization broadband element antenna and aerial array of a kind of large-angle scanning |
| CN110492241B (en) * | 2019-07-16 | 2021-02-19 | 清华大学 | Antenna array applied to large-angle scanning of 5G millimeter wave mobile terminal |
| WO2020106344A2 (en) * | 2019-08-21 | 2020-05-28 | Futurewei Technologies, Inc. | Y-shaped single substrate ultra-wideband antenna and antenna array |
| WO2020101783A2 (en) * | 2019-08-22 | 2020-05-22 | Futurewei Technologies, Inc. | Single substrate ultra-wideband antenna and antenna array |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567055B1 (en) * | 2001-05-01 | 2003-05-20 | Rockwell Collins, Inc. | Method and system for generating a balanced feed for RF circuit |
| CN1459931A (en) * | 2002-05-17 | 2003-12-03 | 智邦科技股份有限公司 | Bisingle polar antenna |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4504836A (en) * | 1982-06-01 | 1985-03-12 | Seavey Engineering Associates, Inc. | Antenna feeding with selectively controlled polarization |
| JP3180684B2 (en) * | 1996-09-24 | 2001-06-25 | 株式会社村田製作所 | antenna |
| WO2002041451A1 (en) * | 2000-11-17 | 2002-05-23 | Ems Technologies, Inc. | Radio frequency isolation card |
-
2005
- 2005-01-31 CN CN 200510005023 patent/CN1815811B/en not_active Expired - Fee Related
-
2006
- 2006-01-27 WO PCT/IB2006/050295 patent/WO2006079993A1/en not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567055B1 (en) * | 2001-05-01 | 2003-05-20 | Rockwell Collins, Inc. | Method and system for generating a balanced feed for RF circuit |
| CN1459931A (en) * | 2002-05-17 | 2003-12-03 | 智邦科技股份有限公司 | Bisingle polar antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1815811A (en) | 2006-08-09 |
| WO2006079993A1 (en) | 2006-08-03 |
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Application publication date: 20060809 Assignee: Jiangsu Hengxin Science & Technology Co., Ltd. Assignor: Southeast University Contract record no.: 2013320000063 Denomination of invention: Composite microband printing vibrator wide-band antenna Granted publication date: 20120509 License type: Exclusive License Record date: 20130305 |
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