CN106785400A - A kind of many director micro-strip yagi aerials - Google Patents
A kind of many director micro-strip yagi aerials Download PDFInfo
- Publication number
- CN106785400A CN106785400A CN201611245936.6A CN201611245936A CN106785400A CN 106785400 A CN106785400 A CN 106785400A CN 201611245936 A CN201611245936 A CN 201611245936A CN 106785400 A CN106785400 A CN 106785400A
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- China
- Prior art keywords
- rectangular microstrip
- rectangular
- micro
- radiation patch
- director
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- 230000005855 radiation Effects 0.000 claims abstract description 72
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
- H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
Abstract
The invention discloses a kind of many director micro-strip yagi aerials, impedance matching incoming feeder including substrate, the rectangular microstrip metal ground plate being arranged in substrate front side, rectangular microstrip radiation patch and rectangular microstrip director and setting substrate back lower end, the rectangular microstrip metal ground plate is horizontally set on the lower end of substrate front side；The rectangular microstrip radiation patch and rectangular microstrip director are successively set between rectangular microstrip metal ground plate and substrate upper end from top to bottom；The rectangular microstrip radiation patch includes left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch, and left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch are connected by microstrip line with rectangular microstrip metal ground plate respectively；The rectangular microstrip director is for multiple and is arranged in order setting from top to bottom；The present apparatus, by introducing multiple rectangular microstrip directors, makes device have the directional radiation capacity and high-gain of stabilization while the volume and weight for reducing.
Description
Technical field
The present invention relates to antenna technical field, more particularly to a kind of many director micro-strip yagi aerials.
Background technology
With continuing to develop for electronic countermeasure and present mobile communication technology, equipment it is small to antenna volume, lightweight and
The requirement of high gain also more and more higher, yagi aerial since the advent of the world is just enjoyed because of its high directivity, high gain, simple structure
Favor, but traditional yagi aerial is bulky, answering in mobile communication and other space-constrained environments which has limited it
With, microstrip antenna is a kind of flat plane antenna, it be by thin-medium piece, be arranged on thin-medium piece top layer geometry metal radiation unit with
And be arranged on the grounded metal of thin-medium piece bottom and constitute, in recent decades, because its is lightweight, small, make it is simple and
The advantages of being easily integrated quickly grows in antenna technical field.
Therefore, how the design concept of yagi aerial to be combined with microstrip structure, yagi aerial is integrated in individual layer to be situated between
On scutum, lightweight, small volume, micro-strip yagi aerial simple and compact for structure and with Directed radiation modes and high-gain are made
It is a technical problem of this area urgent need solution.
The content of the invention
It is lightweight, small volume, simple and compact for structure it is an object of the invention to provide a kind of many director micro-strip yagi aerials
And with Directed radiation modes and high-gain.
The technical solution adopted by the present invention is：A kind of many director micro-strip yagi aerials, including substrate, it is being arranged on substrate just
On rectangular microstrip metal ground plate, rectangular microstrip radiation patch and rectangular microstrip director and setting substrate back on face
Impedance matching incoming feeder, the rectangular microstrip metal ground plate is horizontally set on the lower end of substrate front side；The rectangular microstrip
Radiation patch and rectangular microstrip director are successively set between rectangular microstrip metal ground plate and the upper end of substrate from top to bottom,
And it is parallel with rectangular microstrip metal ground plate；The rectangular microstrip radiation patch includes left side rectangular microstrip radiation patch and the right side
Side rectangular microstrip radiation patch, the left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch are symmetricly set on base
, there is space the both sides of the vertical center line of plate between left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch, left
Side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch are connected by microstrip line with rectangular microstrip metal ground plate respectively
Connect；The rectangular microstrip director is for multiple and is arranged in order setting from top to bottom；The impedance matching incoming feeder is arranged on
The lower end of substrate back.
Further the left side rectangular microstrip radiation patch is identical with the size of right rectangular micro-strip radiation patch, and long
Degree is a quarter operating frequency wavelength.
Further the multiple rectangular microstrip director is constituted by microstrip line, and length is 0.45 times of working frequency
Wavelength.
Further the distance between the multiple rectangular microstrip director is 0.1~0.2 times of operating frequency wavelength.
Further the left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch and immediate rectangle
The distance between micro-strip director is 0.6~0.7 times of the distance between multiple rectangular microstrip directors.
The length of further described rectangular microstrip metal ground plate is identical with the width of substrate.
Further described impedance matching incoming feeder is made up of the microstrip line of some different lengths and different in width.
Further the substrate is Rogers's high-frequency circuit board.
The present invention is drawn by setting rectangular microstrip radiation patch, rectangular microstrip metal ground plate, rectangular microstrip on substrate
To device and impedance matching incoming feeder, and guided into by rectangular microstrip radiation patch, rectangular microstrip metal ground plate, rectangular microstrip
The volume and weight for being engaged setting, substantially reducing device of device and impedance matching incoming feeder, by introducing multiple rectangles
Micro-strip director, makes device have the directional radiation capacity and high-gain of stabilization.
Brief description of the drawings
Fig. 1 is positive structure schematic of the invention；
Fig. 2 is structure schematic diagram of the invention；
Fig. 3 is S parameter curve map of the invention；
Fig. 4 is antenna pattern of the present invention in 2.4GHz；
Fig. 5 is antenna pattern of the present invention in 2.5GHz.
Specific embodiment
As depicted in figs. 1 and 2, a kind of many director micro-strip yagi aerials, including substrate 1, rectangular microstrip metal ground plate
2nd, rectangular microstrip radiation patch, rectangular microstrip director 5 and impedance matching incoming feeder 6；Described substrate 1 is with high frequency
Can be with low-loss Rogers's high-frequency circuit sheet material RO4350B, length 180mm~200mm, width 60mm~90mm.
The rectangular microstrip metal ground plate 2, rectangular microstrip radiation patch and rectangular microstrip director 5 are arranged at substrate
On 1 front, the rectangular microstrip metal ground plate 2 is horizontally set on the positive lower end of substrate 1, rectangular microstrip metal ground plate
The lower end of 2 lower substrate 1 is concordant, and rectangular microstrip metal ground plate 2, can equivalent to the passive reflector of traditional yagi aerial
Ensure the directed radiation of micro-strip yagi aerial；The rectangular microstrip radiation patch and rectangular microstrip director 5 are from top to bottom successively
It is arranged between the upper end of rectangular microstrip metal ground plate 2 and substrate 1, and it is parallel with rectangular microstrip metal ground plate 2；It is described
Rectangular microstrip radiation patch includes left side rectangular microstrip radiation patch 3 and right rectangular micro-strip radiation patch 4, left side rectangular microstrip
Radiation patch 3 and right rectangular micro-strip radiation patch 4 are symmetricly set on the both sides of the vertical center line of substrate 1, and left side rectangle is micro-
There is space between band radiation patch 3 and right rectangular micro-strip radiation patch 4, dual frequency radiation can be formed, it is possible to increase device
Bandwidth of operation；Left side rectangular microstrip radiation patch 3 and the having equivalent to traditional yagi aerial of right rectangular micro-strip radiation patch 4
Source oscillator, plays radiation effects；Left side rectangular microstrip radiation patch 3 is identical with the size of right rectangular micro-strip radiation patch 4, and
Length is a quarter operating frequency wavelength or so, can be with enhanced rad effect；Left side rectangular microstrip radiation patch 3 and right side
Rectangular microstrip radiation patch 4 is connected by microstrip line with rectangular microstrip metal ground plate 2 respectively.
The rectangular microstrip director 5 be it is multiple and be arranged in order setting from top to bottom, rectangular microstrip director 5 equivalent to
The passive director of traditional yagi aerial, plays the effect of guiding into, increases antenna gain；If multiple rectangular microstrip directors 5 by
Dry microstrip line composition, and length is the distance between 0.45 times of operating frequency wavelength or so, multiple rectangular microstrip directors 5
0.1~0.2 times of operating frequency wavelength is, can preferably increase antenna gain；Preferably rectangular microstrip director 5 is seven
It is individual, can less reduce bandwidth of operation as far as possible while high-gain is realized；The left side rectangular microstrip radiation patch 3 and the right side
The distance between side rectangular microstrip radiation patch 4 and immediate rectangular microstrip director 5 for multiple rectangular microstrip directors 5 it
Between 0.6~0.7 times of distance, it is possible to reduce the decay of rectangular microstrip radiation patch radiation signal, when radiation signal reaches square
Preferably increase signal gain during shaped microstrip director 5.
The impedance matching incoming feeder 6 is arranged on the back side lower end of substrate 1, the lower end of impedance matching incoming feeder 6 with
The lower end of substrate 1 is concordant, plays impedance matching effect；Impedance matching incoming feeder 6 is by some different lengths and different in width
Microstrip line is constituted, simple structure, and feed effect is good, belongs to existing mature technology, will not be repeated here.
The length of described rectangular microstrip metal ground plate 2 is identical with the width of substrate 1, can make the directed radiation of device
Ability is more stablized, the size adjusting of the width of rectangular microstrip metal ground plate 2 according to impedance matching incoming feeder 6.
Embodiment 1：
Many director micro-strip yagi aerials：Rogers's sheet material RO4350B is used as substrate 1, thickness 0.76mm, the length of substrate 1 for selection
183mm, width 60mm；Left side rectangular microstrip radiation patch 3 is identical with right rectangular micro-strip 4 sizes of radiation patch, length 26mm,
Width 6mm, by length 17mm, the microstrip line of width 4.5mm is connected with rectangular microstrip metal ground plate 2, rectangular microstrip gold
Category earth plate 2 length 60mm, width 18mm；Seven sizes of rectangular microstrip director 5 are identical, and length 40mm, width 6mm respectively draw
To between device apart from 15mm；Left side rectangular microstrip radiation patch 3 and right rectangular micro-strip radiation patch 4 are micro- with immediate rectangle
The distance between band director 5 is 9mm；Impedance matching incoming feeder 6 is made up of four part microstrip lines, and its size is respectively：
21mm × 2.5mm, 16mm × 2mm, 9.5mm × 2mm, 9.5mm × 2mm；Institute's much director micro-strip yagi aerial properties
Index carries out simulating, verifying using Ansoft HFSS softwares, and carries out processing test in kind, the S parameter curve such as accompanying drawing 3 of gained
Shown, as seen from the figure, device is 2.4GHz~2.5GHz in the working frequency range of below -15dB, and bandwidth of operation is wider；Many directors
Directional diagram of the micro-strip yagi aerial in 2.4GHz as shown in figure 4, as seen from the figure, when frequency is 2.4GHz, the gain of device
It is 11.9dBi, half power lobe width is 52.8 °；Directional diagram such as Fig. 5 institute of many director micro-strip yagi aerials in 2.5GHz
Show, as seen from the figure, when frequency is 2.5GHz, the gain of device is 12.2dBi, and half power lobe width is 46.7 °；Device exists
During working frequency 2.4GHz and 2.5GHz, antenna gain is in higher level.
In sum, the invention provides a kind of simple structure that can be used for microwave communication and electronic countermeasure field, it is easy to
Processing, it is easy to integrated many director micro-strip yagi aerials, combines yagi aerial and the respective advantage of microstrip antenna, subtracts significantly
The small volume and weight of device, by introducing many directors, makes the present apparatus have the directional radiation capacity and high-gain of stabilization
Characteristic.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of many director micro-strip yagi aerials, it is characterised in that including substrate, the rectangular microstrip being arranged in substrate front side
Metal ground plate, rectangular microstrip radiation patch and rectangular microstrip director and the impedance matching input set on substrate back are presented
Line, the rectangular microstrip metal ground plate is horizontally set on the lower end of substrate front side；The rectangular microstrip radiation patch and rectangle
Micro-strip director is successively set between rectangular microstrip metal ground plate and the upper end of substrate from top to bottom, and and rectangular microstrip
Metal ground plate is parallel；The rectangular microstrip radiation patch includes that left side rectangular microstrip radiation patch and right rectangular micro-strip are radiated
Paster, the left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch are symmetricly set on the vertical center line of substrate
Both sides, have space between left side rectangular microstrip radiation patch and right rectangular micro-strip radiation patch, the radiation of left side rectangular microstrip
Paster and right rectangular micro-strip radiation patch are connected by microstrip line with rectangular microstrip metal ground plate respectively；The rectangular microstrip
Director is for multiple and is arranged in order setting from top to bottom；The impedance matching incoming feeder is arranged on the lower end of substrate back.
2. many director micro-strip yagi aerials as claimed in claim 1, it is characterised in that：The left side rectangular microstrip radiation patch
Piece is identical with the size of right rectangular micro-strip radiation patch, and length is a quarter operating frequency wavelength.
3. many director micro-strip yagi aerials as claimed in claim 2, it is characterised in that：The multiple rectangular microstrip director
Constituted by microstrip line, and length is 0.45 times of operating frequency wavelength.
4. many director micro-strip yagi aerials as claimed in claim 3, it is characterised in that：The multiple rectangular microstrip director
The distance between be 0.1~0.2 times of operating frequency wavelength.
5. many director micro-strip yagi aerials as claimed in claim 4, it is characterised in that：The left side rectangular microstrip radiation patch
The distance between piece and right rectangular micro-strip radiation patch and immediate rectangular microstrip director are guided into for multiple rectangular microstrips
0.6~0.7 times of the distance between device.
6. many director micro-strip yagi aerials as claimed in claim 5, it is characterised in that：Described rectangular microstrip metallic ground
The length of plate is identical with the width of substrate.
7. many director micro-strip yagi aerials as claimed in claim 6, it is characterised in that：Described impedance matching incoming feeder
It is made up of the microstrip line of some different lengths and different in width.
8. many director micro-strip yagi aerials as claimed in claim 7, it is characterised in that：The substrate is Rogers's high-frequency electrical
Road plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245936.6A CN106785400A (en) | 2016-12-29 | 2016-12-29 | A kind of many director micro-strip yagi aerials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245936.6A CN106785400A (en) | 2016-12-29 | 2016-12-29 | A kind of many director micro-strip yagi aerials |
Publications (1)
| Publication Number | Publication Date |
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| CN106785400A true CN106785400A (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611245936.6A Pending CN106785400A (en) | 2016-12-29 | 2016-12-29 | A kind of many director micro-strip yagi aerials |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482307A (en) * | 2017-07-11 | 2017-12-15 | 中山大学 | A kind of mould superposition micro-strip yagi aerial of high front and rear ratio |
| CN107666037A (en) * | 2017-08-23 | 2018-02-06 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of double frequency high-gain Yagi antenna |
| CN109742557A (en) * | 2018-12-20 | 2019-05-10 | 佛山市盛夫通信设备有限公司 | High-gain micro-strip yagi aerial |
| CN110133552A (en) * | 2019-05-21 | 2019-08-16 | 电子科技大学 | A kind of micro-strip yagi aerial radio-frequency coil for superelevation magnetic resonance imaging |
| CN113794045A (en) * | 2021-09-16 | 2021-12-14 | 天津大学 | Vivaldi antenna of loading director |
| CN113851857A (en) * | 2021-08-26 | 2021-12-28 | 电子科技大学 | Inverted transition structure of W-band on-chip yagi antenna |
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| CN101656351A (en) * | 2009-06-10 | 2010-02-24 | 东南大学 | Wideband Yagi aerial for half-mould substrate integrated waveguide feed |
| US20100245204A1 (en) * | 2009-03-31 | 2010-09-30 | University Industry Cooperation Foundation Korea Aerospace University | Circularly polarized antenna for satellite communication |
| CN105140656A (en) * | 2015-08-10 | 2015-12-09 | 哈尔滨工业大学 | Novel high-gain printed quasi-yagi antenna |
| CN106025530A (en) * | 2016-07-06 | 2016-10-12 | 五邑大学 | S-waveband light-controlled phased array unit antenna |
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2016
- 2016-12-29 CN CN201611245936.6A patent/CN106785400A/en active Pending
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| US20100245204A1 (en) * | 2009-03-31 | 2010-09-30 | University Industry Cooperation Foundation Korea Aerospace University | Circularly polarized antenna for satellite communication |
| CN101656351A (en) * | 2009-06-10 | 2010-02-24 | 东南大学 | Wideband Yagi aerial for half-mould substrate integrated waveguide feed |
| CN105140656A (en) * | 2015-08-10 | 2015-12-09 | 哈尔滨工业大学 | Novel high-gain printed quasi-yagi antenna |
| CN106025530A (en) * | 2016-07-06 | 2016-10-12 | 五邑大学 | S-waveband light-controlled phased array unit antenna |
Non-Patent Citations (1)
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| 佘川飞;李彪;: "一种具有宽带宽角特性的改进型准八木天线" * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482307A (en) * | 2017-07-11 | 2017-12-15 | 中山大学 | A kind of mould superposition micro-strip yagi aerial of high front and rear ratio |
| CN107482307B (en) * | 2017-07-11 | 2019-07-02 | 中山大学 | A kind of mould superposition micro-strip yagi aerial of high front and back ratio |
| CN107666037A (en) * | 2017-08-23 | 2018-02-06 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of double frequency high-gain Yagi antenna |
| CN109742557A (en) * | 2018-12-20 | 2019-05-10 | 佛山市盛夫通信设备有限公司 | High-gain micro-strip yagi aerial |
| CN110133552A (en) * | 2019-05-21 | 2019-08-16 | 电子科技大学 | A kind of micro-strip yagi aerial radio-frequency coil for superelevation magnetic resonance imaging |
| CN113851857A (en) * | 2021-08-26 | 2021-12-28 | 电子科技大学 | Inverted transition structure of W-band on-chip yagi antenna |
| CN113851857B (en) * | 2021-08-26 | 2024-01-30 | 电子科技大学 | Inverted transition structure of yagi antenna on W-band chip |
| CN113794045A (en) * | 2021-09-16 | 2021-12-14 | 天津大学 | Vivaldi antenna of loading director |
| CN113794045B (en) * | 2021-09-16 | 2023-09-15 | 天津大学 | Vivaldi antenna for loading director |
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Application publication date: 20170531 |