CN210379406U - Broadband bipolar electromagnetic dipole antenna - Google Patents
Broadband bipolar electromagnetic dipole antenna Download PDFInfo
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- CN210379406U CN210379406U CN201920795243.7U CN201920795243U CN210379406U CN 210379406 U CN210379406 U CN 210379406U CN 201920795243 U CN201920795243 U CN 201920795243U CN 210379406 U CN210379406 U CN 210379406U
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Abstract
The utility model discloses a broadband dual polarization electromagnetic dipole antenna, including the reflection box, bottom symmetry sets up first feeder strip and second feeder strip in the reflection box, first feeder strip one end is connected with a first short circuit paster and a second short circuit paster respectively, first short circuit paster is equipped with a pair ofly, be provided with first plane electric dipole on the first short circuit paster respectively, second short circuit paster is equipped with a pair ofly, all be provided with the second plane electric dipole on the second short circuit paster, be connected with another first short circuit paster and another second short circuit laminating on the second feeder strip respectively, first feeder strip other end sets up signal port one and signal port two respectively, compares with prior art, the utility model discloses following beneficial effect has: stable gain and good radiation performance can be maintained.
Description
Technical Field
The utility model belongs to the technical field of the communication, concretely relates to broadband dual polarization electromagnetic dipole antenna.
Background
Currently, a plurality of wireless mobile communication systems and technologies, such as global system for mobile communications (GSM), third generation mobile communication system (IMT-2000), Global Positioning System (GPS), Wireless Local Area Network (WLAN), Hiper-LAN, Worldwide Interoperability for Microwave Access (WiMAX), fourth generation mobile communication system (TD-LTE), and release of frequency use planning of the fifth generation mobile communication system in our country, etc., are all produced along with rapid development of the telecommunication industry. Since different wireless communication systems and technologies occupy different frequency resources, multiple antennas are installed in the same building to receive wireless signals of different frequency bands. However, the increase in the number of indoor antennas has a series of effects such as electromagnetic compatibility and an increase in the capacity of a base station. If various wireless communication network signals can be received as much as possible in the same base station system, the overall construction cost of the base station can be saved while the problems are solved, and the traditional antenna still has various defects and is difficult to meet the actual production requirement.
The utility model discloses a broadband dual polarization electromagnetic dipole antenna as utility model discloses of grant publication No. CN207233933U, it can improve the isolation of antenna, but its signal radiation range is limited, can't high-efficiently transmit signal, for this reason we propose broadband dual polarization electromagnetic dipole antenna.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a broadband bipolar electromagnetic dipole antenna to it is limited to provide the signal radiation scope in the above-mentioned background art, the unable problem of high-efficient transmission signal to solve.
In order to achieve the above object, the utility model provides a following technical scheme: the broadband dual-polarized electromagnetic dipole antenna comprises a reflection box, wherein a first feeder strip and a second feeder strip are symmetrically arranged at the bottom in the reflection box, one end of the first feeder strip is connected with a first short-circuit patch and a second short-circuit patch respectively, the first short-circuit patch is provided with a pair of short-circuit patches, the first short-circuit patch is provided with a first plane electric dipole respectively, the second short-circuit patch is provided with a pair of short-circuit patches, the second short-circuit patch is provided with a second plane electric dipole, the second feeder strip is connected with another first short-circuit patch and another second short-circuit patch respectively in a laminating manner, and the other end of the first feeder strip is provided with a first signal port and a second signal port respectively.
Preferably, the reflection box is square in cross section.
Preferably, the external dimension of the reflection box is millimeter × millimeter.
Preferably, the first planar electric dipole and the second planar electric dipole have the same specification, and the first planar electric dipole and the second planar electric dipole are arranged in the reflection box in a spark shape.
Preferably, the first feeder strip and the second feeder strip are stepped feeder strips.
Preferably, the stepped feeder line strip is composed of a transmission part and a coupling part, the coupling part is stepped, the transmission part is a metal strip with folded linear gradual change, and the distance between the transmission part and the first short circuit patch is millimeter.
Preferably, the first short circuit patch and the first planar electric dipole are arranged at an included angle of 90 degrees.
Preferably, the second short circuit patch and the second planar electric dipole are arranged at an included angle of 90 degrees.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by adopting the reflection box, the antenna can keep stable gain and good radiation performance in the working bandwidth, the fluctuation range of the antenna gain in the whole working bandwidth is within 3 dB, and the antenna performance is good.
(2) Compared with a gamma-shaped feeder line, the notch-type feeder line strip greatly improves the freedom degree of adjusting the impedance matching of the dual-polarized antenna by arranging the first feeder line strip and the second feeder line strip.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of a right-side sectional structure of the present invention;
fig. 4 is a schematic structural view of a front view section of the present invention;
in the figure: 1. a reflection box; 2. a first planar electric dipole; 3. a first short circuit patch; 4. a second planar electric dipole; 5. a second short circuit patch; 6. a first feeder strip; 7. a signal port I; 8. a signal port II; 9. a second strip of feed lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the broadband dual-polarized electromagnetic dipole antenna comprises a reflection box 1, wherein a first feeder line strip 6 and a second feeder line strip 9 are symmetrically arranged at the bottom in the reflection box 1, one end of the first feeder line strip 6 is respectively connected with a first short-circuit patch 3 and a second short-circuit patch 5, the first short-circuit patch 3 is provided with a pair of short-circuit patches, the first short-circuit patch 3 is respectively provided with a first plane electric dipole 2, the second short-circuit patch 5 is provided with a pair of short-circuit patches, the second short-circuit patches 5 are respectively provided with a second plane electric dipole 4, the second feeder line strip 9 is respectively connected with the other first short-circuit patch 3 and the other second short-circuit patch in a fit manner, and the other end of the first feeder line strip 6 is respectively provided with a first signal port 7 and a second signal port 8.
In order to have good performance, in the present embodiment, it is preferable that the reflection case 1 has a square cross section.
For practical use, in the present embodiment, it is preferable that the outer dimensions of the reflection case 1 are 130 mm × 26 mm.
In order to improve the transmission efficiency of signals, in this embodiment, it is preferable that the first planar electric dipole 2 and the second planar electric dipole 4 have the same specification, and the first planar electric dipole 2 and the second planar electric dipole 4 are arranged in the reflection box 1 in a spark shape.
In order to ensure the signal transmission, in the present embodiment, it is preferable that the first feeder strip 6 and the second feeder strip 9 are stepped feeder strips.
In order to facilitate the use of the whole, in this embodiment, it is preferable that the stepped feeder line strip is composed of a transmission part and a coupling part, the coupling part is stepped, the transmission part is a metal strip which is folded and linearly gradually changed, and the distance between the transmission part and the first short patch 3 is 1 mm.
In order to enlarge the radiation range of the signal, in this embodiment, it is preferable that the first shorting patch 3 is arranged at an angle of 90 ° to the first planar electric dipole 2.
For convenient signal output, in this embodiment, it is preferable that the second short-circuit patch 5 and the second planar electric dipole 4 are arranged at an angle of 90 °
The utility model discloses a theory of operation and use flow: through adding first feeder strip 6 and second feeder strip, compare with ordinary rectangle feeder, the feeder of width gradual change can realize stronger matching effect, compare in gamma-type feeder, the notch cuttype feeder strip has improved the degree of freedom of adjusting this dual polarized antenna impedance matching greatly, the design of first short circuit paster 3 and second short circuit paster 5 has greatly widened the impedance bandwidth of this dual polarized antenna, first plane electric dipole 2 is spark-like with second plane electric dipole 4 and arranges in the reflection box, greatly increased the signal radiation scope, adopt reflection box 1, make the antenna can keep stable gain and good radiation pattern performance in so wide operating bandwidth. Simulation and actual measurement results show that the fluctuation range of the antenna gain in the whole working bandwidth is within 3 dB, the radiation pattern has lower cross polarization and good front-to-back ratio index, and the antenna performance is better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Broadband dual polarization electromagnetic dipole antenna, including reflection box (1), its characterized in that: the bottom symmetry sets up first feeder strip (6) and second feeder strip (9) in reflection box (1), first feeder strip (6) one end is connected with a first short circuit paster (3) and a second short circuit paster (5) respectively, first short circuit paster (3) are equipped with one pair, be provided with first plane electric dipole (2) on first short circuit paster (3) respectively, second short circuit paster (5) are equipped with one pair, all be provided with second plane electric dipole (4) on second short circuit paster (5), be connected with another first short circuit paster (3) and another second short circuit laminating on second feeder strip (9) respectively, first feeder strip (6) other end sets up signal port one (7) and signal port two (8) respectively.
2. The wideband bipolar electromagnetic dipole antenna of claim 1 further comprising: the cross section of the reflection box (1) is square.
3. The wideband bipolar electromagnetic dipole antenna of claim 1 further comprising: the external dimension of the reflection box (1) is 130 mm multiplied by 26 mm.
4. The wideband bipolar electromagnetic dipole antenna of claim 1 further comprising: the first plane electric dipole (2) and the second plane electric dipole (4) have the same specification, and the first plane electric dipole (2) and the second plane electric dipole (4) are arranged in the reflection box (1) in a spark shape.
5. The wideband bipolar electromagnetic dipole antenna of claim 1 further comprising: the first feeder strip (6) and the second feeder strip (9) are ladder-type feeder strips.
6. The wideband bipolar electromagnetic dipole antenna of claim 5, wherein: the ladder-type feeder line strip is composed of a transmission part and a coupling part, the coupling part is in a ladder shape, the transmission part is a metal strip with folding linear gradual change, and the distance between the transmission part and the first short circuit patch (3) is 1 mm.
7. The wideband bipolar electromagnetic dipole antenna of claim 1 further comprising: the first short circuit patch (3) and the first plane electric dipole (2) are arranged in an included angle of 90 degrees.
8. The wideband bipolar electromagnetic dipole antenna of claim 1 further comprising: the second short circuit patch (5) and the second plane electric dipole (4) are arranged in an included angle of 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920795243.7U CN210379406U (en) | 2019-05-29 | 2019-05-29 | Broadband bipolar electromagnetic dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920795243.7U CN210379406U (en) | 2019-05-29 | 2019-05-29 | Broadband bipolar electromagnetic dipole antenna |
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| Publication Number | Publication Date |
|---|---|
| CN210379406U true CN210379406U (en) | 2020-04-21 |
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| CN201920795243.7U Active CN210379406U (en) | 2019-05-29 | 2019-05-29 | Broadband bipolar electromagnetic dipole antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111710982A (en) * | 2020-07-23 | 2020-09-25 | 西安电子科技大学 | Novel broadband magnetic dipole antenna |
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2019
- 2019-05-29 CN CN201920795243.7U patent/CN210379406U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111710982A (en) * | 2020-07-23 | 2020-09-25 | 西安电子科技大学 | Novel broadband magnetic dipole antenna |
| CN111710982B (en) * | 2020-07-23 | 2022-11-18 | 西安电子科技大学 | Novel broadband magnetic dipole antenna |
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