CN106785393A - A kind of double frequency based on plane single pole sub antenna lobe millimeter wave micro-strip antenna wide - Google Patents
A kind of double frequency based on plane single pole sub antenna lobe millimeter wave micro-strip antenna wide Download PDFInfo
- Publication number
- CN106785393A CN106785393A CN201611174452.7A CN201611174452A CN106785393A CN 106785393 A CN106785393 A CN 106785393A CN 201611174452 A CN201611174452 A CN 201611174452A CN 106785393 A CN106785393 A CN 106785393A
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- Prior art keywords
- antenna
- patch
- lobe
- millimeter wave
- radiation patch
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/104—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention provides a kind of lobe millimeter wave micro-strip antenna wide based on plane single pole sub antenna, including medium substrate, radiation patch, reflection floor and coaxial feeder, the two sides of the medium substrate is respectively arranged with radiation patch and reflection floor, a U-type groove is provided with described radiation patch, described reflection floor uses the plane patch of monopole antenna form, coaxial feeder to connect radiation patch and reflection floor through medium substrate.The present invention effectively increases radar system communication efficiency, makes the effective radiating area of antenna and reduces, and considerably increases half power lobe width in the direction indicated, effectively improves anti-interference of the antenna in operational communication system, and compact structure is easy to be combined with whole machine.
Description
Technical field
It is that a kind of miniaturization is based on plane single pole sub antenna knot the present invention relates to a kind of microstrip antenna of millimeter wave band
Structure, realizes 40 ° of 104 ° of horizontal direction half power lobe width and vertical direction half power lobe width.
Background technology
Antenna as radar system directional reception emitter, its structure type is varied, there is micro-strip form, loudspeaker
Form, reflecting surface form, helical form, doublet etc.；Frequency bandwidth characteristicses according to antenna can be divided into, single-band antenna, double frequency
Band antenna and multifrequency antenna.Each structure type and the antenna of frequency bandwidth characteristicses combination have the scope and occasion that it is applied, first
First, current frequency resource is nervous and high-frequency communication frequency band is single, and this just have impact on whole radar communications system communication efficiency, therewith
And come is exactly delayed so as to being delayed opportunity of combat unavoidably on information acquisition times on modern battlefield, thus common single-band antenna without
Method meets demand；Secondly, in radar communications system, in order that radar can be bigger in the case where self structure size is fixed
Covering control area, the half power lobe width of traditional antenna is too narrow, it is difficult to covering scope wider, when radar is in scanning
Also wider array of region cannot just be covered；Finally, although monopole antenna in one direction being capable of almost omnidirectional's covering, increasing
Benefit is too low, has no idea to meet the application demand of the higher-wattage output high directionality of radar system.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of double frequency based on plane single pole sub antenna lobe wide in the least
Metric wave microstrip antenna.
The technical solution adopted for the present invention to solve the technical problems is：A kind of broad beam millimeter based on monopole antenna
Ripple microstrip antenna, including medium substrate, radiation patch, reflection floor and coaxial feeder.
The two sides of the medium substrate is respectively arranged with radiation patch and reflection floor, and one is provided with described radiation patch
Individual U-type groove, described reflection floor uses the plane patch of monopole antenna form, coaxial feeder to connect spoke through medium substrate
Penetrate paster and reflection floor.
The width of the U-type groove is 0.1mm, and side wall length is 1.6mm, and bottom land length is 1.6mm.
The cell wall of the U-type groove and radiation patch sides aligned parallel, coaxial feeder pad is in the openend of U-type groove.
The medium substrate is double face copper, and thickness is 1.147mm, and dielectric constant is 2.2, and loss tangent angle is
0.0009。
Described reflection floor includes a square patch and two rectangular patches, the length of side of one of rectangular patch
Less than two other paster, the side long of square patch and another rectangular patch is spelled by the minimum rectangular patch of the length of side
Connect.
The radius of the coaxial feeder inner wire is 0.2mm, and the external diameter of outer conductor is 0.54mm, and inner wire passes through medium base
Plate is connected with radiation patch, and outer conductor and reflection floor connect.
The beneficial effects of the invention are as follows：The U-type groove opened in radiation patch introduces communicating in two frequency bands, so effectively improve
Radar system communication efficiency；The antenna is again due to the reflection floor of introducing monopole patch form so that reflection floor is relative
Medium plate suqare reduces, and so making the effective radiating area of antenna reduces, so as to considerably increase half work(in the direction indicated
Rate lobe width, lobe width wider can cover bigger scanning space, effectively improve antenna in operational communication system
Anti-interference；Two working frequency range standing internal wave is respectively less than 1.5, and directive gain reaches 6.3dBi, the structure size of the antenna
It is 8mm*8mm*1.147mm, compact structure is easy to be combined with whole machine.
Brief description of the drawings
Fig. 1 is front view of the invention；
Fig. 2 is rearview of the invention；
Fig. 3 is three-dimensional structure diagram of the invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the present invention includes but are not limited to following implementations
Example.
A kind of broad beam millimeter wave micro-strip antenna based on monopole antenna, including medium substrate, radiation patch, reflectingly
Plate and coaxial feeder.
A U-type groove is opened in radiation patch, for forming antenna dual frequency radiation；Reflection floor uses monopole antenna shape
The paster of formula, on the basis of conventional microsthp patch antennas, reservation radiation patch, medium substrate and coaxial feeder are constant, radiation
The size of paster is used for controlling the radiation frequency of antenna, and monopole patch form reflects as floor relative to traditional all standing
Floor greatly increases the half power lobe width of original antenna.
The U-type groove changes the flow direction of the surface current in original radiation patch, successfully cuts the face electricity in radiation patch
Stream, so as to produce two resonant frequencies.
The width of the U-type groove is 0.1mm, and U-type groove side wall length is 1.6mm, and U-type groove bottom land length is 1.6mm.
The cell wall of the U-type groove and radiation patch sides aligned parallel, coaxial feeder pad at the opening of U-type groove, definitely
Coordinate position is obtained using simulation optimization.
The dielectric thickness is 1.147mm, and dielectric constant is 2.2, and loss tangent angle is 0.0009 double face copper.
The reflection floor of affiliated monopole patch form is a kind of monopole minor structure of the plane patch of rectangle splicing, should
Monopole paster structure can be it is square can also be it is circular, can also be square and circular combination, the choosing of these structures
Select depending on the lobe width for wanting which direction of change antenna and what kind of polarization realized；Present invention employs one just
The monopole minor structure of square patch and two rectangular patches splicing form plate reflectingly, antenna polarization form is not changed, is only increased
Antenna horizontal direction half power lobe width.
The internal diameter of the coaxial feeder is 0.2mm, and external diameter is 0.54mm, and coaxial feeder passes through medium substrate and radiation patch
It is connected, the reflection floor connection of the outer conductor and monopole patch form of coaxial feeder.
Referring to Fig. 1, the part of mark 1 is the microstrip antenna radiation patch of a=2.5mm, b=2.6mm to embodiments of the invention
Piece, the part of mark 2 is the reflection floor of monopole shape, and the part of mark 3 is coaxial radio-frequency feeder line, and mark 5 is pasted for radiation
Fluting in piece 1, wherein L0=1.6mm, L1=1.6mm, w=0.8mm.
Referring to Fig. 2, the reflection floor 2 of monopole shape is by connection in the middle of a square patch and a rectangle paster
One small rectangular patch is collectively constituted, wherein e=5mm, d=3mm, f=4mm.The internal diameter of coaxial radio-frequency feeder line 3 is r2=
0.2mm, external diameter is r1=0.54mm.
Referring to Fig. 3, present example is made up of the block length c=8mm micro-strip dielectric-slabs structure mark 4 that is wide, the micro-strip
Plate panel sign 4 is RO5880, and dielectric constant is 2.2.Micro-strip plate by top layer radiation patch layer 1 and bottom monopole shape it is anti-
The dielectric layer 4 for penetrating floor layer 2 and centre is constituted, and the thickness of dielectric layer 4 is h=1.147mm；Coaxial radio-frequency feeder line 3 passes through dielectric layer
4, the radiation patch 1 of top layer is then connected, the outer layer of coaxial line connects the reflection floor 2 of monopole shape, collectively constitutes antenna
Structure.
The size of length and width a, b of radiation patch 1 be by the resonant frequency of antenna and the dielectric constant of micro-strip plate by with
What lower formula was calculated, width calculation formula is as follows,
Wherein c0It is the light velocity, frIt is the resonant frequency of antenna, εrIt is the dielectric constant of medium；
The length of radiation patch can be calculated by below equation (2) (3) (4)：
In formula (2), εreffIt is effective dielectric constant, h is dielectric thickness, and W is radiation patch width；
Δ L is that microband paste edge extends equivalent length in formula (3)；
Can be in the hope of the length of micro-strip radiation patch in formula (4) by formula (2) and formula (3).
The size on monopole shape reflection floor 2 can go theoretical calculation, root by the Net long wave radiation aperture area of antenna
According to the radiation characteristic of aperture antennas, half power lobe width is inversely proportional with the bore size dimension of Net long wave radiation, using as follows
Formula (5) can be calculated：
Above formula (5) if in rectangular aperture be uniformly distributed, then ξ=51 °, if rectangular aperture cosine distribution, then ξ=68 °；
Example recycles Frequency Simulation Software HFSS to be obtained most after being optimized to the theoretical size for calculating after formula (5) is calculated
Whole data.
Example is finally realized in millimeter wave working frequency range, first band bandwidth 1.5GHz, second band bandwidth
1.2GHz, the isolation strip for having 5GHz between first frequency band and second frequency band, ripple loss S in the isolation strip11More than -2dB；
In two-frequency operation band, standing wave is respectively less than 1.5, return loss S11- 10dB is below, antenna maximum gain is 5.8dBi, antenna
Lobe width can realize 104 ° to directional diagram in the horizontal direction, and vertical direction lobe width is 40 °；In design, by regulating tank
Size and position can just adjust spacing between the size and two frequency bands of two resonant frequencies.Sometimes in order in high frequency
Wider bandwidth is obtained, two frequency band adjustments are allowed to partially overlap is combined into a frequency band, forms a ultra wide bandwidth lobe day
Micro-strip millimeter wave antenna.
Claims (6)
1. a kind of double frequency based on plane single pole sub antenna lobe millimeter wave micro-strip antenna wide, including medium substrate, radiation patch,
Reflection floor and coaxial feeder, it is characterised in that：The two sides of the medium substrate is respectively arranged with radiation patch and reflection floor,
A U-type groove is provided with described radiation patch, described reflection floor uses the plane patch of monopole antenna form, coaxially
Feeder line is through medium substrate connection radiation patch and reflects floor.
2. the double frequency based on plane single pole sub antenna according to claim 1 lobe millimeter wave micro-strip antenna wide, its feature
It is：The width of the U-type groove is 0.1mm, and side wall length is 1.6mm, and bottom land length is 1.6mm.
3. the double frequency based on plane single pole sub antenna according to claim 1 lobe millimeter wave micro-strip antenna wide, its feature
It is：The cell wall of the U-type groove and radiation patch sides aligned parallel, coaxial feeder pad is in the openend of U-type groove.
4. the double frequency based on plane single pole sub antenna according to claim 1 lobe millimeter wave micro-strip antenna wide, its feature
It is：The medium substrate is double face copper, and thickness is 1.147mm, and dielectric constant is 2.2, and loss tangent angle is
0.0009。
5. the double frequency based on plane single pole sub antenna according to claim 1 lobe millimeter wave micro-strip antenna wide, its feature
It is：Described reflection floor includes a square patch and two rectangular patches, and the length of side of one of rectangular patch is small
In two other paster, the side long of square patch and another rectangular patch is spliced by the minimum rectangular patch of the length of side.
6. the double frequency based on plane single pole sub antenna according to claim 1 lobe millimeter wave micro-strip antenna wide, its feature
It is：The radius of the coaxial feeder inner wire is 0.2mm, and the external diameter of outer conductor is 0.54mm, and inner wire passes through medium substrate
It is connected with radiation patch, outer conductor and reflection floor connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611174452.7A CN106785393A (en) | 2016-12-19 | 2016-12-19 | A kind of double frequency based on plane single pole sub antenna lobe millimeter wave micro-strip antenna wide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611174452.7A CN106785393A (en) | 2016-12-19 | 2016-12-19 | A kind of double frequency based on plane single pole sub antenna lobe millimeter wave micro-strip antenna wide |
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| Publication Number | Publication Date |
|---|---|
| CN106785393A true CN106785393A (en) | 2017-05-31 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767461A (en) * | 2018-05-23 | 2018-11-06 | 西南大学 | Binary channels RF energy collection system and its Parameters design |
| CN108808232A (en) * | 2018-06-06 | 2018-11-13 | 深圳市深大唯同科技有限公司 | A kind of dual-band and dual-polarization paster antenna in biradial direction |
| CN108963471A (en) * | 2018-06-28 | 2018-12-07 | 山西大学 | A kind of big angle of coverage multibeam antenna of no beam-forming network |
| CN109301486A (en) * | 2018-10-18 | 2019-02-01 | 广东工业大学 | Across the frequency band double-frequency dual-polarization radiating unit of single layer patch type microwave and millimeter wave for 5G mobile communication |
| CN109449582A (en) * | 2018-10-29 | 2019-03-08 | 西安电子科技大学 | A kind of low section wideband filtered antenna |
| CN110459866A (en) * | 2019-08-09 | 2019-11-15 | 武汉慧联无限科技有限公司 | A kind of gap structure trap antenna and the gateway with the antenna |
| CN110611174A (en) * | 2019-08-28 | 2019-12-24 | 电子科技大学 | Millimeter wave non-periodic wide-angle scanning low-sidelobe phased array antenna for automobile radar |
| CN110797653A (en) * | 2019-11-25 | 2020-02-14 | 中北大学 | Double-frequency point/high-radiation-efficiency planar microwave resonant antenna |
| CN112688058A (en) * | 2020-12-07 | 2021-04-20 | 西北工业大学 | Wide beam antenna based on pin-like monopole |
| CN113131208A (en) * | 2021-04-22 | 2021-07-16 | 歌尔股份有限公司 | Multi-band microstrip antenna and equipment |
| CN113381164A (en) * | 2021-04-08 | 2021-09-10 | 上海磐启微电子有限公司 | Back-feed coupling WIFI antenna |
| US11489247B2 (en) | 2018-07-17 | 2022-11-01 | Huawei Technologies Co., Ltd. | Integrated circuit and terminal device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767461A (en) * | 2018-05-23 | 2018-11-06 | 西南大学 | Binary channels RF energy collection system and its Parameters design |
| CN108808232A (en) * | 2018-06-06 | 2018-11-13 | 深圳市深大唯同科技有限公司 | A kind of dual-band and dual-polarization paster antenna in biradial direction |
| CN108808232B (en) * | 2018-06-06 | 2023-09-29 | 中天宽带技术有限公司 | Dual-frequency dual-polarized patch antenna with dual radiation directions |
| CN108963471A (en) * | 2018-06-28 | 2018-12-07 | 山西大学 | A kind of big angle of coverage multibeam antenna of no beam-forming network |
| US11489247B2 (en) | 2018-07-17 | 2022-11-01 | Huawei Technologies Co., Ltd. | Integrated circuit and terminal device |
| CN109301486A (en) * | 2018-10-18 | 2019-02-01 | 广东工业大学 | Across the frequency band double-frequency dual-polarization radiating unit of single layer patch type microwave and millimeter wave for 5G mobile communication |
| CN109301486B (en) * | 2018-10-18 | 2024-01-05 | 广东工业大学 | Single-layer patch type microwave millimeter wave cross-frequency-band dual-polarized radiation unit for 5G mobile communication |
| CN109449582A (en) * | 2018-10-29 | 2019-03-08 | 西安电子科技大学 | A kind of low section wideband filtered antenna |
| CN110459866B (en) * | 2019-08-09 | 2021-04-06 | 武汉慧联无限科技有限公司 | Slot structure notch antenna and gateway equipment with same |
| CN110459866A (en) * | 2019-08-09 | 2019-11-15 | 武汉慧联无限科技有限公司 | A kind of gap structure trap antenna and the gateway with the antenna |
| CN110611174A (en) * | 2019-08-28 | 2019-12-24 | 电子科技大学 | Millimeter wave non-periodic wide-angle scanning low-sidelobe phased array antenna for automobile radar |
| CN110797653B (en) * | 2019-11-25 | 2021-10-29 | 中北大学 | Double-frequency point/high-radiation-efficiency planar microwave resonant antenna |
| CN110797653A (en) * | 2019-11-25 | 2020-02-14 | 中北大学 | Double-frequency point/high-radiation-efficiency planar microwave resonant antenna |
| CN112688058A (en) * | 2020-12-07 | 2021-04-20 | 西北工业大学 | Wide beam antenna based on pin-like monopole |
| CN113381164A (en) * | 2021-04-08 | 2021-09-10 | 上海磐启微电子有限公司 | Back-feed coupling WIFI antenna |
| CN113131208A (en) * | 2021-04-22 | 2021-07-16 | 歌尔股份有限公司 | Multi-band microstrip antenna and equipment |
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Application publication date: 20170531 |