CN201946738U - A Broadband Dual Polarized Antenna Unit - Google Patents
A Broadband Dual Polarized Antenna Unit Download PDFInfo
- Publication number
- CN201946738U CN201946738U CN2010206508289U CN201020650828U CN201946738U CN 201946738 U CN201946738 U CN 201946738U CN 2010206508289 U CN2010206508289 U CN 2010206508289U CN 201020650828 U CN201020650828 U CN 201020650828U CN 201946738 U CN201946738 U CN 201946738U
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- radiation
- hollow structure
- antenna unit
- polarized antenna
- broadband dual
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- 230000009977 dual effect Effects 0.000 title abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 32
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 230000005284 excitation Effects 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- 238000013461 design Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 abstract description 3
- 238000010295 mobile communication Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a broadband dual polarization antenna unit for realize the frequency band characteristic of broad. The radiation unit comprises a reflecting plate, a main radiation body, an upper insulating block, a lower insulating block and a balanced feed device. The main radiator comprises a support body and four radiation sheets, and the four radiation sheets and the support body are integrated into a whole and form an angle of 90 degrees. The outer contour of each radiation piece is in a 90-degree fan shape, and each radiation piece is provided with a hollow structure and a loading section for widening the bandwidth and improving the polarization purity. The gap between adjacent radiating patches is less than 0.1 wavelength. The radiation unit adopts coupling type balanced feed, and the bottoms of the four supporting bodies are mutually short-circuited and integrally designed and fixed on the reflecting plate. The utility model has the advantages of over 45% impedance bandwidth, small overall dimension, simple structure, few component parts, convenient assembly, easy production, low cost and the like.
Description
[technical field]
The utility model has related to the antenna of mobile communication base station field, relates in particular to a kind of wideband dual polarized antenna element.
[background technology]
Follow reaching its maturity of 3G industrial chain, arrange net and commercialization since 2008, the 3 third-generation mobile communication system (3G) scales of entering at home.Mobile communication is being brought into play more and more important effect in daily life, by in October, 2010, China's mobile communication subscriber sum reaches 8.05 hundred million families, and wherein the 3G subscription number reaches 2,520 ten thousand families, and the antenna for base station that comes into operation surpasses 2,000,000 pairs.Along with the continuous increase of various mobile communication businesses and kind, also more and more higher to the requirement of message transmission rate, the working frequency range of corresponding various communication standards is also in continuous expansion.The operating frequency of smart antenna is 1880-1920MHz in the TD-SCDMA/LTE network, 2010-2025MHz, 2300-2400MHz, 2500-2690MHz.The communication frequency of DCS is 1710-1880MHz.The communication frequency of PCS is 1850-1990MHz.The communication frequency of UMTS is 1920-2170MHz.The part communications band of WiMax (Worldwide Interoperability forMicrowave Access, promptly worldwide interoperability for microwave inserts) is 2300-2700MHz.Therefore, now proposed to design a market demand of taking into account the broad-band antenna of above-mentioned standard.
The relative band width of 1710-2400MHz surpasses 33%, and the relative band width of 1710-2700MHz is then near 45%, and existing dual-polarized antenna vibrator generally all is difficult to satisfy, and the bandwidth of the antenna array of Zu Chenging also is restricted thus.Therefore heterogeneous networks needs plurality of antennas support.The design of existing broadband oscillator is described broadband oscillators such as ZL200820122837.3, CN 201174423Y, CN 101465475A as the patent No., and its relative bandwidth has only about 33%.And its complex structure, the technological requirement strictness, cost is higher, has reduced the competitiveness of product in market.
[summary of the invention]
The utility model provides a kind of wideband dual polarized antenna element that is applicable to mobile communication system, is used to realize the impedance and the gain characteristic of broad.Its relative bandwidth is near 45%, and implementation structure is simple, and is easy to process, with low cost.
A kind of wideband dual polarized antenna element, comprise radiant body and balance feeder equipment, this balanced feeding device is to the radiant body feed, it is the excitation radiation body, this radiant body is made up of four radiation fins, described four radiation fins are symmetry and omnidirectional distribution in twos, form the symmetrical radiation combination of two pairs of quadratures, this balanced feeding device comprises excitation sheet metal and balance Ba Lun, this balance Ba Lun constitutes the supporter of each radiation fin simultaneously, described radiation fin outline is 90 degree fan shapes, each radiation fin be provided with engraved structure and with the loaded segment of this engraved structure edge integrated molding, gap between the adjacent radiation sheet is less than 0.1 wavelength, and radiation fin and supporter become one, and is 90 degree angles.
As the improvement of technique scheme, further technical scheme of the present utility model is as follows:
Above-mentioned excitation sheet metal comprises the first excitation sheet metal and the second excitation sheet metal, and this excitation sheet metal is the metal good conductor.
Above-mentioned engraved structure and with the loaded segment of this engraved structure edge integrated molding be a Combination Design.
The above-mentioned curved or polygon of engraved structure edge contour.
Above-mentioned loaded segment be one with the tetragonal body or the cone of engraved structure edge integrated molding.
The length of above-mentioned loaded segment only limits to engraved structure inside, and end open circuit.
Have on each radiation fin of radiating element described in the utility model engraved structure and can the broadening bandwidth, improve the loaded segment of polarization purity.Have the impedance bandwidth above 45%, and it is little to have overall dimension, simple in structure, building block is few, and is easy to assembly, is easy to produce, the beneficial effect that waits with low cost.
[description of drawings]
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation after the utility model assembling;
Fig. 3 is the vertical view of the utility model radiant body;
Fig. 4 is the vertical view of the utility model radiation fin.
[embodiment]
Below in conjunction with drawings and the specific embodiments, the utility model is further described, embodiment described herein only is used to explain the utility model, and is not used in qualification the utility model.
As Fig. 1, wideband dual polarized antenna element in the present embodiment comprises reflecting plate 01, support column 02, loaded segment 03, radiation fin 04, the first excitation sheet metal 05, the second excitation sheet metal 06, first collets, 07, the second collets 08, firm banking 09 constitutes, four radiation fins 03 are symmetry and quadrature in twos, forms the radiant body of present embodiment with supporter 02.This radiant body dielectric substance is an aluminium alloy.
As Fig. 4, the profile of radiation fin 04 is 90 degree fan shapes, and fan-shaped two limit a, b length toward the outer side is about 1/4 wavelength, a loaded segment that is rectangle 03 is arranged on the radiation fin 04, about 0.1 wavelength of length, wherein a, b, c length become certain specific proportions, and its ratio value is about 3: 3: 1.As shown in Figure 3, the radiation fin of per two symmetries is formed a half-wave dipole, and two half-wave dipoles are placed in the mode of quadrature, and four radiation fins are symmetry and omnidirectional distribution in twos.Gap between two adjacent radiation fins is less than 0.1 wavelength.
Because the excitation sheet metal is not connected with main radiator in the present embodiment, in order to make the excitation sheet metal be fixed on supporter inside reliably, use first collets 07 and second collets 08 in the present embodiment, the first excitation sheet metal 05 and the second excitation sheet metal 06 are combined into a complete feeder equipment, be built in the supporter, and isolated with supporter.As shown in Figure 1, first collets 07 and second collets 08 not only play fixation, have guaranteed simultaneously between the first excitation sheet metal 05 and the second excitation sheet metal 06.
In the present embodiment, the actual measurement example of a wideband dual polarized antenna element is provided, aluminium alloy reflecting plate 01 thickness that adopts is about 1.5mm, length and width are about 200mm * 120mm, the height of the supporter 02 that adopts is about 30mm, the limit length and width of fan beam sheet is about 30mm, and wherein the length 10 of loaded segment is about 10mm.This radiating element is placed in the microwave dark room, use network analyzer that it is surveyed, resulting voltage standing wave(VSW) is such as Fig. 6, and shown in 7, as seen from the figure, in VSWR≤1.4 o'clock, impedance bandwidth is near 45%.
The foregoing description is this patent preferred embodiment; be not to be used for limiting practical range of the present utility model; allly anyly do not deviate from that the equalization that principle of the present utility model does changes, combination, substitute etc., all belong within the utility model claim scope required for protection.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206508289U CN201946738U (en) | 2010-12-03 | 2010-12-03 | A Broadband Dual Polarized Antenna Unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206508289U CN201946738U (en) | 2010-12-03 | 2010-12-03 | A Broadband Dual Polarized Antenna Unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201946738U true CN201946738U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206508289U Expired - Fee Related CN201946738U (en) | 2010-12-03 | 2010-12-03 | A Broadband Dual Polarized Antenna Unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201946738U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127893A1 (en) * | 2015-02-13 | 2016-08-18 | 上海贝尔股份有限公司 | Radiation unit and bipolar antenna |
| CN106569197A (en) * | 2016-11-03 | 2017-04-19 | 深圳量旌科技有限公司 | Laser radar capable of decomposing distribution |
| CN108258419A (en) * | 2018-01-30 | 2018-07-06 | 深圳大学 | A kind of continuously adjustable coaxial feed of impedance dynamic based on graphene and two-dimensional semiconductor |
| CN109687114A (en) * | 2019-01-23 | 2019-04-26 | 广东通宇通讯股份有限公司 | A kind of communication antenna and its dual polarization broadband radiating element |
-
2010
- 2010-12-03 CN CN2010206508289U patent/CN201946738U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127893A1 (en) * | 2015-02-13 | 2016-08-18 | 上海贝尔股份有限公司 | Radiation unit and bipolar antenna |
| CN106569197A (en) * | 2016-11-03 | 2017-04-19 | 深圳量旌科技有限公司 | Laser radar capable of decomposing distribution |
| CN106569197B (en) * | 2016-11-03 | 2019-07-19 | 深圳量旌科技有限公司 | Laser radar capable of decomposing distribution |
| CN108258419A (en) * | 2018-01-30 | 2018-07-06 | 深圳大学 | A kind of continuously adjustable coaxial feed of impedance dynamic based on graphene and two-dimensional semiconductor |
| CN108258419B (en) * | 2018-01-30 | 2024-01-12 | 深圳大学 | Impedance dynamic continuously adjustable coaxial feed structure based on graphene and two-dimensional semiconductor |
| CN109687114A (en) * | 2019-01-23 | 2019-04-26 | 广东通宇通讯股份有限公司 | A kind of communication antenna and its dual polarization broadband radiating element |
| CN109687114B (en) * | 2019-01-23 | 2024-06-04 | 广东通宇通讯股份有限公司 | Communication antenna and dual-polarized broadband radiating element thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20141203 |
|
| EXPY | Termination of patent right or utility model |