CN201812926U - Miniature dual polarization microstrip antenna - Google Patents
Miniature dual polarization microstrip antenna Download PDFInfo
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- CN201812926U CN201812926U CN2010205200711U CN201020520071U CN201812926U CN 201812926 U CN201812926 U CN 201812926U CN 2010205200711 U CN2010205200711 U CN 2010205200711U CN 201020520071 U CN201020520071 U CN 201020520071U CN 201812926 U CN201812926 U CN 201812926U
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- 230000009977 dual effect Effects 0.000 title claims abstract description 28
- 230000010287 polarization Effects 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 84
- 230000005855 radiation Effects 0.000 claims abstract description 70
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 230000005284 excitation Effects 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 238000010295 mobile communication Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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Abstract
The utility model discloses a miniature dual polarization microstrip antenna, which comprises four dual polarization antenna units, wherein the four dual polarization antenna units are arranged in an antenna outer cover and are connected by a four-path signal power divider together; a first air medium layer, a first metal radiation film, a second air medium layer, an earthed metal sheet, a first medium substrate, dual-electrode microstrip exciting lines, a third air medium layer and a metal reflection base plate are sequentially arranged in each dual polarization antenna unit from top to bottom; the dual-electrode microstrip exciting lines are arranged on the lower end surface of the first medium substrate, wherein the front ends of the dual-electrode microstrip exciting lines are mutually orthogonal and not in contact; and two excited radiation microflutes which are mutually orthogonal and not in contact are arranged on the upper end surface of the earthed metal sheet. According to the utility model, microstrips, microflutes and the multilayer theory are combined into a whole; the utility model has the advantages of small size, compact structure and light weight; and the antenna has favorable transmission performance and high reliability.
Description
Technical field
The utility model relates to the transceiver of a kind of mobile communication radio frequency signal transmission, and particularly a kind of small capacity double polarization microstrip antenna belongs to the antenna technical field of mobile communication and Internet technology.
Background technology
In recent years, fast development along with mobile communication technology and Internet technology, many batches of new hot spot technologies produce, arise at the historic moment as mobile Internet, WiMAX local area network (LAN), metropolitan area network, Internet of Things etc., press for the capacity and the message transmission rate that adopt multi-antenna technology (being multiple-input and multiple-output MIMO technology) to improve radio communication channel transmission information.
Traditional microwave low-waveband array antenna is formed linear array by the single-polarized antenna unit, exists the shortcoming of inefficiency, the huge heaviness of the bodily form, installation and maintenance difficulty, far can not adapt to the requirement of the development of mobile communication technology to antenna technology.
The utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming that existing dual polarized antenna is bulky, be not easy to install, and a kind of small capacity double polarization microstrip antenna is provided.
The technical scheme that its technical problem that solves the utility model adopts is as follows: a kind of small capacity double polarization microstrip antenna, it is characterized in that comprising four dual polarized antenna units that link together by four road signal power dividers that place in the antenna cover, described four dual polarized antenna units linearly are distributed in the radome, in each dual polarized antenna unit, has the first air dielectric layer from top to bottom successively, the first metal radiation fin, the second air dielectric layer, grounded metal sheet, first dielectric substrate, bipolar micro-strip excitation line, the 3rd air dielectric layer, the metallic reflection base plate, the described first metal radiation fin is connected with radome by insulation blanket stud, described grounded metal sheet shop overlays on the upper surface of first dielectric substrate, and fixedly connected with the hollow metal bearing on being fixed on the metallic reflection base plate, the lower surface of described first dielectric substrate is provided with the mutually orthogonal and discontiguous bipolar micro-strip excitation line of front end, the upper surface of described grounded metal sheet has two mutually orthogonal and discontiguous stimulated radiation microflutes, and described two stimulated radiation microflutes are corresponding with the front end difference quadrature of bipolar micro-strip excitation line.
The beneficial effects of the utility model are as follows: the utility model is combined as a whole little band, microflute, LAYER THEORY, has small and exquisite, the compact conformation of volume, the advantage of light weight; And antenna sandwich construction cleverly determines it to have high module gain, makes that its energy emission performance is good, radiation efficiency is high, the reliability height; This antenna adopts the linear pattern arrangement mode, has planar emission source in addition, makes radiation beam have better directional selectivity; Dual polarized antenna is by there being two antenna elements to constitute, and gain can reach 14～14.5dBi, and it is intensive but scope is not very wide regional needs to satisfy users such as civilian sub-district, city, business premises covering; Little line of taking away is all adopted in antenna inside, and the use amount of having saved stube cable has reduced cost; Because the small and exquisite light weight of volume makes easier for installation.This small capacity double polarization microstrip antenna is applicable to that the zone of the indoor and outdoor network optimization covers, and satisfies performance index requirements such as relevant electric, the machinery of operator after tested fully.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the utility model embodiment 1 vertical view.
Fig. 2 is the cutaway view of dual polarized antenna unit B1 among the embodiment 1.
Fig. 3 is the dual polarized antenna unit cutaway view of the utility model embodiment 2.
Fig. 4 is the dual polarized antenna unit cutaway view of the utility model embodiment 3.
Embodiment
Embodiment 1
The small capacity double polarization microstrip antenna of present embodiment, as Fig. 1, shown in Figure 2, comprise place in the antenna cover 1 four by four road power splitters (this example four road power splitters are composed in series by three Wilkinson constant power distributors, also can adopt the power divider that has identical function with it of other circuit forms) the dual polarized antenna unit B1 that links together, B2, B3, B4, described four dual polarized antenna units linearly are distributed in the radome, in each dual polarized antenna unit (is example with dual polarized antenna unit B1), as shown in Figure 2, has the first air dielectric layer 2 from top to bottom successively, the first metal radiation fin 3, the second air dielectric layer 4, grounded metal sheet 5, first dielectric substrate 6, bipolar micro-strip excitation line 7,7 ', the 3rd air dielectric layer 8, metallic reflection base plate 9, the described first metal radiation fin 3 is connected with radome 1 by insulation blanket stud 10, grounded metal sheet 5 shops overlay on the upper surface of first dielectric substrate 6, and fixedly connected with the hollow metal bearing 11 on being fixed on metallic reflection base plate 9, the lower surface of first dielectric substrate 6 is provided with the mutually orthogonal and discontiguous bipolar micro-strip excitation line 7 of front end, 7 ', the upper surface of grounded metal sheet has two mutually orthogonal and discontiguous stimulated radiation microflutes 12,12 ', two stimulated radiation microflutes 12,12 ' with bipolar micro-strip excitation line 7,7 ' front end quadrature correspondence respectively.In this example, the first metal radiation fin 3 is circular, and insulation blanket stud 10 is connected with the first metal radiation fin, 3 center fixation, and is threaded with radome 1 by the internal thread hole at radome 1 center.This technical scheme helps in radome outside finely tuning by rotary screw the height between the first metal radiation fin and the stimulated radiation microflute, the convenient antenna input/output port voltage standing wave ratio of regulating, and with micro-strip excitation line impedence coupling, the raising antenna gain.Only there is high variable quantity in circular metal radiation fin in adjustment process, therefore regulate more convenient.
As shown in Figure 1, two stimulated radiation microflutes 12 on the grounded metal sheet 5,12 ' size equate, are two " H " shapes, and the middle transverse arm of two " H " shape is mutually orthogonal.This technical scheme helps dual polarization stimulated radiation microflute is opened on the less grounded metal sheet of area, in order to realize the miniaturization of antenna.Two " H " shape stimulated radiation microflute 12,12 ' " H " shape in the middle of the angle of the X-axis of transverse arm and grounded metal sheet or Y-axis be positive and negative 45 to spend.This technical scheme helps dual polarization stimulated radiation microflute is opened on the less grounded metal sheet of area, in order to realize the miniaturization of antenna.
Test result shows that the gain of dual polarized antenna gain when test frequency 1900MHz is 14.5dBi; Horizontal plane half power lobe width is 70 °, and vertical plane half power lobe width is 18 °, and front and back are than less than-25dB; The input/output port voltage standing wave ratio is less than 1.3, and the relative bandwidth of working frequency range is about 10%.
Embodiment 2
As shown in Figure 3, it is based on the structure of embodiment 1, also be provided with the second metal radiation fin 13 and second dielectric substrate 14 that are arranged in the second air dielectric layer 4, the second metal radiation fin 13 is parallel to the first metal radiation fin 3, fit and be integral in the upper surface of the lower surface of the second metal radiation fin 13 and second dielectric substrate 14, and fixedly connected with the hollow metal bearing 11 on being fixed on metallic reflection base plate 9, below second dielectric substrate 14, form the 4th air dielectric layer 15.This technical scheme helps further increasing the working band width of antenna.The described second metal radiation fin 13 is circular, and convenient voltage standing wave ratio of regulating the antenna input/output port with micro-strip excitation line impedence coupling, improves antenna gain.
Test result shows, bandwidth of operation broadening under embodiment 2 prerequisite that the original electricity function index of antenna is constant in embodiment 1, and relative bandwidth can reach about 25%.
In addition, also has a kind of technical scheme that is equal to this routine scheme, be to be provided with in the dual polarized antenna unit to have the second metal radiation fin that is parallel to the first metal radiation fin that is arranged in the second air dielectric layer, the second metal radiation fin and hollow metal bearing insulation are fixed, and form the 4th air dielectric layer between the second metal radiation fin and the grounded metal sheet.This technical scheme helps further increasing the working band width of antenna equally.
As shown in Figure 4, it is based on the structure of embodiment 2, between the second metal radiation fin 13 and the first metal radiation fin 3, also be provided with the 3rd metal radiation fin 18 and the 3rd dielectric substrate 17, the 3rd metal radiation fin 18 is parallel to the first metal radiation fin 3, described the 3rd metal radiation fin 18 and the second metal radiation fin 13,11 insulation of hollow metal bearing, fit and be integral in the upper surface of the lower surface of the 3rd metal radiation fin 18 and the 3rd dielectric substrate 17, and be fixed on second dielectric substrate on 14 insulated leg 19 fixedly connected, below the 3rd dielectric substrate 17, form the 5th air dielectric layer 16.
Test result shows, the further broadening of bandwidth of operation under embodiment 3 prerequisite that the original electricity function index of antenna is constant in embodiment 2, and relative bandwidth can reach about 40%.
In addition, also has a kind of technical scheme that is equal to this routine scheme, promptly be provided with the 3rd metal radiation fin that is parallel to the first metal radiation fin between the second metal radiation fin and the first metal radiation fin, described the 3rd metal radiation fin and the second metal radiation fin, hollow metal bearing insulation form the 5th air dielectric layer between the 3rd metal radiation fin and the second metal radiation fin.This technical scheme helps further increasing the working band width of antenna equally.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (10)
1. small capacity double polarization microstrip antenna, it is characterized in that comprising four dual polarized antenna units that link together by four road power splitters that place in the antenna cover, described four dual polarized antenna units linearly are distributed in the radome, in each dual polarized antenna unit, has the first air dielectric layer from top to bottom successively, the first metal radiation fin, the second air dielectric layer, grounded metal sheet, first dielectric substrate, bipolar micro-strip excitation line, the 3rd air dielectric layer, the metallic reflection base plate, the described first metal radiation fin is connected with radome by insulation blanket stud, described grounded metal sheet shop overlays on the upper surface of first dielectric substrate, and fixedly connected with the hollow metal bearing on being fixed on the metallic reflection base plate, the lower surface of described first dielectric substrate is provided with the mutually orthogonal and discontiguous bipolar micro-strip excitation line of front end, the upper surface of described grounded metal sheet has two mutually orthogonal and discontiguous stimulated radiation microflutes, and described two stimulated radiation microflutes are corresponding with the front end difference quadrature of bipolar micro-strip excitation line.
2. small capacity double polarization microstrip antenna according to claim 1, it is characterized in that: described dual polarized antenna unit has the second metal radiation fin that is parallel to the first metal radiation fin that is arranged in the second air dielectric layer, described second metal radiation fin and hollow metal bearing insulation are fixed, and form the 4th air dielectric layer between the second metal radiation fin and the grounded metal sheet.
3. small capacity double polarization microstrip antenna according to claim 2, it is characterized in that: described dual polarized antenna unit has second dielectric substrate of fitting with the second metal radiation fin lower surface, and described second dielectric substrate is fixedlyed connected with the hollow metal bearing.
4. small capacity double polarization microstrip antenna according to claim 3, it is characterized in that: also have the 3rd metal radiation fin that is parallel to the first metal radiation fin between the described second metal radiation fin and the first metal radiation fin, described the 3rd metal radiation fin and the second metal radiation fin, hollow metal bearing insulation form the 5th air dielectric layer between the 3rd metal radiation fin and the second metal radiation fin.
5. small capacity double polarization microstrip antenna according to claim 4, it is characterized in that: described dual polarized antenna unit has the 3rd dielectric substrate of fitting with the 3rd metal radiation fin lower surface, and described the 3rd dielectric substrate is fixed in second dielectric substrate top by insulated leg.
6. small capacity double polarization microstrip antenna according to claim 1, it is characterized in that: the insulation blanket stud of described dual polarized antenna unit is connected with its first metal radiation fin center fixation, and be threaded with radome by the internal thread hole at radome center, the described first metal radiation fin is circular.
7. small capacity double according to claim 2 polarization microstrip antenna is characterized in that: the described second metal radiation fin is a kind of in circle or the square.
8. small capacity double according to claim 4 polarization microstrip antenna is characterized in that: the described second metal radiation fin is a kind of in circle or the square.
9. small capacity double polarization microstrip antenna according to claim 1, it is characterized in that: two stimulated radiation microflute sizes on the described grounded metal sheet equate, be two " H " shapes, the middle transverse arm of two " H " shape is mutually orthogonal, and the angle of the X-axis of transverse arm and grounded metal sheet or Y-axis is positive and negative 45 degree in the middle of " H " shape of described two " H " shape stimulated radiation microflutes.
10. small capacity double polarization microstrip antenna according to claim 1, it is characterized in that: described four road power splitters are composed in series by three Wilkinson constant power distributors.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205200711U CN201812926U (en) | 2010-09-07 | 2010-09-07 | Miniature dual polarization microstrip antenna |
| US13/639,958 US9030364B2 (en) | 2010-09-07 | 2011-04-19 | Dual-polarized microstrip antenna |
| JP2013502986A JP5727587B2 (en) | 2010-09-07 | 2011-04-19 | Dual polarized microstrip antenna |
| EP11765012.7A EP2565985A4 (en) | 2010-04-07 | 2011-04-19 | Dual-polarized microstrip antenna |
| PCT/CN2011/000682 WO2011124094A1 (en) | 2010-04-07 | 2011-04-19 | Dual-polarized microstrip antenna |
| KR1020127029114A KR101318830B1 (en) | 2010-09-07 | 2011-04-19 | Dual-polarized microstrip antenna |
| CN2011800280064A CN103222114A (en) | 2010-09-07 | 2011-04-19 | Dual-polarized microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205200711U CN201812926U (en) | 2010-09-07 | 2010-09-07 | Miniature dual polarization microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812926U true CN201812926U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205200711U Expired - Lifetime CN201812926U (en) | 2010-04-07 | 2010-09-07 | Miniature dual polarization microstrip antenna |
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| Country | Link |
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| CN (1) | CN201812926U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009298A (en) * | 2013-12-26 | 2014-08-27 | 中华电信股份有限公司 | Dual-directivity MIMO antenna unit and array thereof |
| CN106099350A (en) * | 2016-07-25 | 2016-11-09 | 上海交通大学 | Low section circular polarisation conical beam antenna |
| CN109286063A (en) * | 2018-09-28 | 2019-01-29 | 深圳国人通信股份有限公司 | A kind of dual polarization plane radiating element |
| CN110635232A (en) * | 2019-08-20 | 2019-12-31 | 电子科技大学 | A dual-polarized microstrip antenna unit with wide-angle wide-band scanning capability |
-
2010
- 2010-09-07 CN CN2010205200711U patent/CN201812926U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009298A (en) * | 2013-12-26 | 2014-08-27 | 中华电信股份有限公司 | Dual-directivity MIMO antenna unit and array thereof |
| CN104009298B (en) * | 2013-12-26 | 2017-04-12 | 中华电信股份有限公司 | Dual-directivity MIMO antenna unit and array thereof |
| CN106099350A (en) * | 2016-07-25 | 2016-11-09 | 上海交通大学 | Low section circular polarisation conical beam antenna |
| CN109286063A (en) * | 2018-09-28 | 2019-01-29 | 深圳国人通信股份有限公司 | A kind of dual polarization plane radiating element |
| CN110635232A (en) * | 2019-08-20 | 2019-12-31 | 电子科技大学 | A dual-polarized microstrip antenna unit with wide-angle wide-band scanning capability |
| CN110635232B (en) * | 2019-08-20 | 2021-05-04 | 电子科技大学 | A dual-polarized microstrip antenna unit with wide-angle broadband scanning capability |
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Granted publication date: 20110427 |
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| CX01 | Expiry of patent term |