CN109742557A - High-gain micro-strip yagi aerial - Google Patents
High-gain micro-strip yagi aerial Download PDFInfo
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- CN109742557A CN109742557A CN201811559807.3A CN201811559807A CN109742557A CN 109742557 A CN109742557 A CN 109742557A CN 201811559807 A CN201811559807 A CN 201811559807A CN 109742557 A CN109742557 A CN 109742557A
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- mounting hole
- reflecting plate
- medium substrate
- radiation unit
- rectangle
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- 239000000758 substrate Substances 0.000 claims abstract description 37
- 230000005855 radiation Effects 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Aerials With Secondary Devices (AREA)
Abstract
The invention discloses a kind of high-gain micro-strip yagi aerials, it is characterized in that, it includes antenna cover, reflecting plate, antenna radiation unit, coaxial cable, the lower section of antenna radiation unit is arranged in reflecting plate, antenna radiation unit includes medium substrate, symmetrical dipole, director, reflector, balun, reflector is arranged in the positive lower end of medium substrate, symmetrical dipole and director are arranged in from the bottom to top between reflector and medium substrate upper end, and it is parallel with reflector, the lower end at the medium substrate back side is arranged in the balun；Antenna radiation unit is fixed on reflecting plate by medium substrate lower end, and reflecting plate is fixed in antenna cover；The antenna radiation unit is fed by coaxial cable.The configuration of the present invention is simple, it is low in cost, be readily produced, gain is higher, directed radiation performance is good.
Description
Technical field
The present invention relates to mobile communication antenna technical fields, more particularly to a kind of micro-strip yagi aerial of high-gain.
Background technique
In the epoch that this level of informatization is gradually deepened, high-gain aerial can constantly be increased with effective solution information capacity
Rate of information throughput problem in the environment of adding enhances the overall performance of system.Wireless telecom equipment is solved simultaneously uses multiple days
The state of line alleviates the coupling effect between antenna, lays a good foundation for the performance enhancement of communication system.And yagi aerial picks up by oneself
Since out, simple, light-weight, the with higher gain of its structure is relied on, can be used alone and can line up array use, obtain
Significant progress, has been widely used in fields such as communication, TV, radars.But traditional yagi aerial volume
It is huge, production is not difficult, easy of integration, the proposition very good solution of micro-strip yagi aerial this problem.But currently on the market
Micro-strip yagi aerial, gain can not reach very high.
Summary of the invention
The object of the invention is in order to a kind of structure for solving the deficiency of the prior art and providing it is simple, easy to make
High-gain micro-strip yagi aerial.
The present invention is that a kind of high-gain micro-strip yagi aerial is attained in that using following technical solution,
It is characterized in that, it includes antenna cover, reflecting plate, antenna radiation unit, coaxial cable, and reflecting plate is arranged in antenna radiation unit
Lower section, antenna radiation unit includes medium substrate, symmetrical dipole, director, reflector, balun, and reflector is arranged in medium
The lower end of substrate front side, symmetrical dipole and director are arranged in from the bottom to top between reflector and medium substrate upper end, and with
Reflector is parallel, and the lower end at the medium substrate back side is arranged in the balun；Antenna radiation unit is fixed by medium substrate lower end
On reflecting plate, reflecting plate is fixed in antenna cover；The antenna radiation unit is fed by coaxial cable.
As a further illustration of the above scheme, the reflecting plate is equipped with the first rectangle mounting hole, the second rectangle is installed
Hole, the first circular mounting hole, the second circular mounting hole, third circular mounting hole and the 4th circular mounting hole；Medium substrate lower end
Equipped with the first rectangle minor matters and the second rectangle minor matters；The antenna radiation unit passes through the first rectangle minor matters of medium substrate lower end
It is fixed on reflecting plate with the first rectangle mounting hole, the second rectangle minor matters and the second rectangle mounting hole scolding tin on reflecting plate；Institute
It states reflecting plate and passes through the first circular mounting hole, the second circular mounting hole, third circular mounting hole and the 4th circular mounting hole spiral shell
Silk is fixed in antenna cover.
Further, the medium substrate uses FR4 material, length 100-150mm, width 20-30mm.
Further, the reflector uses rectangular microband paste structure, the length and the width phase of substrate of microband paste
Together.
Further, the symmetrical dipole uses rectangular microband paste structure, including left side rectangular microband paste and right side
Rectangular microband paste, two sides patch is symmetricly set on the two sides of the vertical centerline of medium substrate, and stays between the patch of two sides
There is gap.
Further, the director element uses rectangular microband paste structure, and unit number is 16.
Further, the balun is made of two sections of different lengths and width microstrip line.
Further, the reflecting plate uses circular configuration, convenient for matching with outer cover.
Further, inventive antenna frequency coverage are as follows: 5150MHz-5850MHz.
The present invention is using the above-mentioned attainable beneficial effect of technical solution:
The present invention uses the antenna structure being mainly made of antenna cover, reflecting plate, antenna radiation unit, coaxial cable,
Antenna radiation unit is fixed in antenna cover using the microstrip structure easily realized by reflecting plate, and antenna has been not only simple
Production, and improve the gain of antenna well.Size of the present invention is smaller, and structure is simple, functional, is suitable for large quantities of
Amount production.
Detailed description of the invention
Fig. 1 is the overall schematic of inventive antenna；
Fig. 2 is the structural schematic diagram of reflecting plate；
Fig. 3 is the positive structure schematic of antenna radiation unit；
Fig. 4 is the structure schematic diagram of antenna radiation unit；
Fig. 5 is antenna pattern of the present invention in 5150MHz；
Fig. 6 is antenna pattern of the present invention in 5500MHz；
Fig. 7 is antenna pattern of the present invention in 5850MHz.
Description of symbols: 1, antenna cover 2, reflecting plate 3, antenna radiation unit 4, coaxial cable 5-1, the first square
Shape mounting hole 5-2, the second rectangle mounting hole 6-1, the first circular mounting hole 6-2, the second circular mounting hole 6-3, third circle
Shape mounting hole 6-4, the 4th circular mounting hole 7, medium substrate 8, symmetrical dipole 9, director 10, reflector 11, balun
12-1, the first rectangle minor matters 12-2, the second rectangle minor matters.
Specific embodiment
The technical program is explained in detail below in conjunction with specific embodiment.
As shown in Fig. 1-Fig. 7, the present invention is a kind of high-gain micro-strip yagi aerial, it include antenna cover 1, reflecting plate 2,
The lower section of antenna radiation unit 3 is arranged in antenna radiation unit 3, coaxial cable 4, reflecting plate 2.Such as Fig. 2, reflecting plate 2 is equipped with
First rectangle mounting hole 5-1, the second rectangle mounting hole 5-2, the first circular mounting hole 6-1, the second circular mounting hole 6-2, third
Circular mounting hole 6-3 and the 4th circular mounting hole 6-4.As shown in Figure 3 and Figure 4, antenna radiation unit 3 includes medium substrate 7, right
Claim oscillator 8, director 9, reflector 10, balun 11, symmetrical dipole 8, director 9, reflector 10 are arranged at medium substrate 7
The back side of medium substrate 7 is arranged in front, balun 10, and reflector 10 is arranged in the positive lower end of medium substrate 7, symmetrical dipole 8
And director 9 is arranged in from the bottom to top between 7 upper end of reflector 10 and medium substrate, and parallel with reflector 10, balun 11
The lower end at 7 back side of medium substrate is set, and 7 lower end of medium substrate is equipped with the first rectangle minor matters 12-1 and the second rectangle minor matters 12-
2.The first rectangle mounting hole on the first rectangle minor matters 12-1 and reflecting plate that antenna radiation unit 3 passes through 7 lower end of medium substrate
5-1, the second rectangle minor matters 12-2 and the second rectangle mounting hole 5-2 scolding tin are fixed on reflecting plate.Reflecting plate 2 is round by first
Mounting hole 6-1, the second circular mounting hole 6-2, third circular mounting hole 6-3 and the 4th circular mounting hole 6-4 are screwed in
In antenna cover.Antenna radiation unit 3 is fed by coaxial cable 4.The medium substrate 7 uses FR4 material, and length is
100-150mm, width 20-30mm.The reflector 10 uses rectangular microband paste, the length of microband paste and the width of substrate
Spend it is identical, be 20-30mm.
Further, the symmetrical dipole 8 uses rectangular microband paste structure, including left side rectangular microband paste and right side
Rectangular microband paste, two sides patch is symmetricly set on the two sides of the vertical centerline of medium substrate, and there are skies between them
Gap, every side patch length are a quarter operation wavelength.Director Unit 9 uses rectangular microband paste structure, and each unit is long
Degree from top to bottom gradually successively decreases, and the distance between unit is not also identical, and unit number is 16.Balun 11 is by two sections of different lengths
It is formed with width microstrip line, structure is simple, and feed effect is good.
Further, the reflecting plate 2 uses circular configuration, convenient for matching with outer cover 1.
Further, inventive antenna frequency coverage are as follows: 5150MHz-5850MHz.
Further, when frequency is 5150MHz, the gain of antenna is 15.6dBi；When frequency is 5500MHz, antenna
Gain be 17.7dBi；When frequency is 5850MHz, the gain of antenna is 16.8dBi, and antenna is in working frequency range 5150MHz-
Gain is in higher level in 5850MHz.
Compared with prior art, the present invention being fixed on antenna cover using the microstrip structure easily realized, and by reflecting plate
On, it is not only simple the production of antenna, and improve the gain of antenna well.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (8)
1. a kind of high-gain micro-strip yagi aerial, which is characterized in that it includes antenna cover, reflecting plate, antenna radiation unit, same
The lower section of antenna radiation unit is arranged in shaft cable, reflecting plate, and antenna radiation unit includes medium substrate, symmetrical dipole, guides into
Device, reflector, balun, reflector are arranged in the positive lower end of medium substrate, and symmetrical dipole and director are arranged in from the bottom to top
Between reflector and medium substrate upper end, and it is parallel with reflector, the lower end at the medium substrate back side is arranged in the balun；It
Beta radiation unit is fixed on reflecting plate by medium substrate lower end, and reflecting plate is fixed in antenna cover；The aerial radiation
Unit is fed by coaxial cable.
2. high-gain micro-strip yagi aerial according to claim 1, which is characterized in that the reflecting plate is equipped with the first square
Shape mounting hole, the second rectangle mounting hole, the first circular mounting hole, the second circular mounting hole, third circular mounting hole and the 4th circle
Shape mounting hole；Medium substrate lower end is equipped with the first rectangle minor matters and the second rectangle minor matters；The antenna radiation unit passes through medium
The first rectangle mounting hole, the second rectangle minor matters and the second rectangle mounting hole in the first rectangle minor matters and reflecting plate of substrate lower end
Scolding tin is fixed on reflecting plate；The reflecting plate passes through the first circular mounting hole, the second circular mounting hole, third circular mounting hole
It is fixed in antenna cover with the 4th circular mounting hole with fastener.
3. high-gain micro-strip yagi aerial according to claim 1, which is characterized in that the medium substrate uses FR4 material
Material, length 100-150mm, width 20-30mm.
4. high-gain micro-strip yagi aerial according to claim 1, which is characterized in that the reflector uses rectangular microstrip
Paster structure, the length of microband paste and substrate it is of same size.
5. high-gain micro-strip yagi aerial according to claim 1, which is characterized in that the symmetrical dipole is micro- using rectangle
Band paster structure, including left side rectangular microband paste and right rectangular microband paste, two sides patch are symmetricly set on medium substrate
Vertical centerline two sides, there are gaps between the patch of two sides.
6. high-gain micro-strip yagi aerial according to claim 1, which is characterized in that the director element uses rectangle
Microband paste structure, unit number are 16.
7. high-gain micro-strip yagi aerial according to claim 1, which is characterized in that the balun is by two sections of different lengths
It is formed with width microstrip line.
8. high-gain micro-strip yagi aerial according to claim 1, which is characterized in that the reflecting plate is using round knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559807.3A CN109742557A (en) | 2018-12-20 | 2018-12-20 | High-gain micro-strip yagi aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559807.3A CN109742557A (en) | 2018-12-20 | 2018-12-20 | High-gain micro-strip yagi aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109742557A true CN109742557A (en) | 2019-05-10 |
Family
ID=66360687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811559807.3A Pending CN109742557A (en) | 2018-12-20 | 2018-12-20 | High-gain micro-strip yagi aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109742557A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2034124A (en) * | 1978-10-04 | 1980-05-29 | C S Antennas Ltd | Improved antenna |
| KR20010010509A (en) * | 1999-07-21 | 2001-02-15 | 김상기 | Yagi antenna using parallel transmission line balun |
| US20030160730A1 (en) * | 2002-02-26 | 2003-08-28 | Alsliety Mazen K. | Microstrip Yagi-Uda antenna |
| KR200346226Y1 (en) * | 2003-12-24 | 2004-03-30 | (주)에어링크테크놀로지 | A microstrip Yagi antenna |
| JP2005142925A (en) * | 2003-11-07 | 2005-06-02 | Yagi Antenna Co Ltd | Antenna system |
| CN1881685A (en) * | 2006-03-22 | 2006-12-20 | 北京航空航天大学 | Cross feed broadband printed Yagi antenna |
| CN103594780A (en) * | 2012-08-13 | 2014-02-19 | 深圳光启创新技术有限公司 | An antenna |
| KR20140102974A (en) * | 2013-02-15 | 2014-08-25 | 동서대학교산학협력단 | A broadband plannar Quasi-Yagi antenna |
| CN106785400A (en) * | 2016-12-29 | 2017-05-31 | 中国电子科技集团公司第二十七研究所 | A kind of many director micro-strip yagi aerials |
| CN106850122A (en) * | 2017-04-07 | 2017-06-13 | 北京智宇翔云科技有限公司 | A kind of interference unit |
| CN107069183A (en) * | 2017-03-06 | 2017-08-18 | 深圳市中兴物联科技有限公司 | Antenna and satellite mobile terminal |
| 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 |
| CN209119370U (en) * | 2018-12-20 | 2019-07-16 | 佛山市盛夫通信设备有限公司 | High-gain micro-strip yagi aerial |
-
2018
- 2018-12-20 CN CN201811559807.3A patent/CN109742557A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2034124A (en) * | 1978-10-04 | 1980-05-29 | C S Antennas Ltd | Improved antenna |
| KR20010010509A (en) * | 1999-07-21 | 2001-02-15 | 김상기 | Yagi antenna using parallel transmission line balun |
| US20030160730A1 (en) * | 2002-02-26 | 2003-08-28 | Alsliety Mazen K. | Microstrip Yagi-Uda antenna |
| JP2005142925A (en) * | 2003-11-07 | 2005-06-02 | Yagi Antenna Co Ltd | Antenna system |
| KR200346226Y1 (en) * | 2003-12-24 | 2004-03-30 | (주)에어링크테크놀로지 | A microstrip Yagi antenna |
| CN1881685A (en) * | 2006-03-22 | 2006-12-20 | 北京航空航天大学 | Cross feed broadband printed Yagi antenna |
| CN103594780A (en) * | 2012-08-13 | 2014-02-19 | 深圳光启创新技术有限公司 | An antenna |
| KR20140102974A (en) * | 2013-02-15 | 2014-08-25 | 동서대학교산학협력단 | A broadband plannar Quasi-Yagi antenna |
| CN106785400A (en) * | 2016-12-29 | 2017-05-31 | 中国电子科技集团公司第二十七研究所 | A kind of many director micro-strip yagi aerials |
| CN107069183A (en) * | 2017-03-06 | 2017-08-18 | 深圳市中兴物联科技有限公司 | Antenna and satellite mobile terminal |
| CN106850122A (en) * | 2017-04-07 | 2017-06-13 | 北京智宇翔云科技有限公司 | A kind of interference unit |
| 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 |
| CN209119370U (en) * | 2018-12-20 | 2019-07-16 | 佛山市盛夫通信设备有限公司 | High-gain micro-strip yagi aerial |
Non-Patent Citations (1)
| Title |
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| 倪国旗;张涛;倪围;李树彬;: "一种微带准八木天线的改进设计", 微波学报, no. 01 * |
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