CN201927708U - Indoor bipolarization omnidirectional antenna - Google Patents
Indoor bipolarization omnidirectional antenna Download PDFInfo
- Publication number
- CN201927708U CN201927708U CN2011200281295U CN201120028129U CN201927708U CN 201927708 U CN201927708 U CN 201927708U CN 2011200281295 U CN2011200281295 U CN 2011200281295U CN 201120028129 U CN201120028129 U CN 201120028129U CN 201927708 U CN201927708 U CN 201927708U
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- antenna
- polarized antenna
- indoor
- metallic reflection
- reflection plate
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The embodiment of the utility model relates to an indoor bipolarization omnidirectional antenna, which comprises a metal reflecting board, a vertical polarized antenna fixed on the metal reflecting board and with an axis perpendicular to the metal reflecting board, and a horizontal polarized antenna fixed on the upper portion of the vertical polarized antenna. The specific structure of the indoor bipolarization omnidirectional antenna which covers a wider frequency range and has a higher gain, satisfies a requirement for a signal cover of a wide band, avoids producing an indoor communication dead zone, and increases the service quality of the mobile communication, and in addition, solves a problem of a repeated construction of the antenna caused by a cover of multiple bands, and meets a requirement for energy saving and emission reduction.
Description
Technical field
The utility model relates to field of antenna, relates in particular to a kind of indoor dual-polarization omnidirectional antenna.
Background technology
At present, the transmission of indoor signal is the important component part of mobile communication with covering, and it is finished by indoor distributed system.Traditional 2G indoor distributed system (GSM 800MHz system etc.) generally adopts single-polarized antenna, and following 3G system is higher to the multiplexing requirement of polarizations, single-polarized antenna this requirement of incompatibility, in addition, the 2G indoor distributed system is often at 800MHz, about 1GHz signal frequencies such as 900MHz, the wavelength of signal is longer, indoor environment is less to electromagnetic influence, contrast, the frequency range of 3G system is generally higher, is 1880-2025MHz as the frequency range of TD-SCDMA system, and the frequency range of its evolution system TD-LTE is more up to 2570-2620MHz, electromagnetic penetration capacity weakens greatly, and the probability of indoor generation blind area significantly increases.Along with further developing of mobile communication, 2G, 3G and 3G+ indoor distributed system are with long-term co-existence, and the indoor distributed system that exploitation covers above-mentioned frequency range simultaneously is very necessary.
The utility model content
The utility model embodiment technical problem to be solved is, provide a kind of frequency range cover wideer, gain is higher and have the indoor omnidirectional antennas of two kinds of different polarization, to avoid communication blind zone in the generating chamber, improves the mobile telecommunication service quality.
For solving the problems of the technologies described above, a kind of indoor dual-polarization omnidirectional antenna is provided, comprise metallic reflection plate, axis normal in described metallic reflection plate and the vertical polarized antenna that is fixed thereon, and the horizontally-polarized antenna that is fixed in described vertical polarized antenna top.
Further, described vertical polarized antenna is the hollow metal monopole, and class cuboid, bottom that its top is between the side with the cambered surface transition are the four sides cone shape of drawing in along base, described side.
Further, described horizontally-polarized antenna comprises some dipole antennas that horizontal coplane setting and mutual angle equate, described dipole antenna is the integrated design.
Further, described horizontally-polarized antenna comprises two symmetrically arranged dipole antennas of rotation at least.
Further, described dipole antenna lower end is fixed on described vertical polarized antenna or the metallic reflection plate by first supporting mass, and described vertical polarized antenna lower end is fixed on the described metallic reflection plate by second supporting mass; Described first supporting mass and second supporting mass all adopt insulating material.
Further, described dipole antenna is etched on the same printed circuit board.
Further, also etching has the power division network that is electrically connected with described dipole antenna on described printed circuit board, is provided with isolation resistance between each branch circuit of described power division network.
Further, be electrically connected with a sheet metal between described metallic reflection plate and the vertical polarized antenna.
Further, described indoor dual-polarization omnidirectional antenna also is included as first feeding network of described horizontally-polarized antenna feed, and be second feeding network of described vertical polarized antenna feed, described first feeding network comprises first radio frequency connector that is arranged on the described metallic reflection plate, and an end is connected to the feeder cable that described horizontally-polarized antenna, the other end are connected to described first radio frequency connector; Described second feeding network comprises second radio frequency connector that is arranged at described metallic reflection backboard face.
Further, described feeder cable is that outer core is electrically connected to the coaxial cable on the described metallic reflection plate and first radio frequency connector simultaneously.
Technique scheme has following beneficial effect at least:
By a kind of indoor dual-polarization omnidirectional antenna is provided, it comprises the metallic reflection plate, axis normal is in metallic reflection plate and the vertical polarized antenna that is fixed thereon, and the horizontally-polarized antenna that is fixed in the vertical polarized antenna top, more wideband section of a kind of covering can be provided, the peculiar structure of the domestic aerial of high-gain more, satisfied the requirement for signal coverage of wideband section on the one hand, avoid communication blind zone in the generating chamber, improved the mobile telecommunication service quality, on the other hand, avoided covering the problem of the antenna repeated construction that causes, met the requirement of energy-saving and emission-reduction owing to multiband.
Description of drawings
Fig. 1 is the three-dimensional view of the indoor dual-polarization omnidirectional antenna of the utility model embodiment.
Fig. 2 is another three-dimensional view of the indoor dual-polarization omnidirectional antenna of the utility model embodiment.
Fig. 3 is the vertical view of the indoor dual-polarization omnidirectional antenna of the utility model embodiment.
Embodiment
As shown in Figure 1 to Figure 3, the utility model embodiment provides a kind of indoor dual-polarization omnidirectional antenna, it mainly comprises metallic reflection plate 1, axis normal is in metallic reflection plate 1 and be fixed in vertical polarized antenna 2 on the metallic reflection plate 1, and the horizontally-polarized antenna 3 that is fixed in vertical polarized antenna 2 tops, like this, this indoor dual-polarization omnidirectional antenna can comprise vertical and two kinds of different polarization of level, combination by such special construction, the signal covering of wideband section and the requirement of high-gain have been satisfied on the one hand, avoid communication blind zone in the generating chamber, improved the mobile telecommunication service quality, on the other hand, avoided covering the problem of the antenna repeated construction that causes, met the requirement of energy-saving and emission-reduction owing to multiband.Particularly:
Vertical polarized antenna 2 is the hollow metal monopole, its top 4 is 5 the class cuboids with cambered surface 6 transition in side, bottom 7 is the four sides cone shape that draw on 5 bases along the side, this ultra broadband perpendicular polarization monopole antenna is arranged on the metallic reflection plate 1, its frequency range can be set to 880-2690MHz, can cover whole 2G, 3G and 3G+ frequency range.
Horizontally-polarized antenna 3 comprises some dipole antennas 8 that horizontal coplane setting and mutual angle equate, dipole antenna 8 is the integrated design, horizontally-polarized antenna 3 is apart from metallic reflection plate 1 top certain altitude, its frequency range can be set to 1880-2690MHz, can cover the TD-SCDMA frequency range, and then on the TD-SCDMA frequency range, can realize two different polarization multiplexings that polarize, have the beneficial effect that promotes this frequency band signals covering and utilize ability.
In this embodiment, horizontally-polarized antenna 3 comprises at least two symmetrically arranged dipole antennas 8 of rotation, and the dipole antenna 8 of other quantity also can be formed above-mentioned horizontally-polarized antenna 3 certainly.
Above-mentioned dipole antenna 8 lower ends are fixed on vertical polarized antenna 2 or the metallic reflection plate 1 by first supporting mass 9, to keep the stability of horizontally-polarized antenna 3, vertical polarized antenna 2 lower ends are fixed on the metallic reflection plate 1 keeping the stability of vertical polarized antenna 2 by second supporting mass 10, and first supporting mass 9 and second supporting mass 10 all adopt insulating material.
Each dipole antenna 8 is etched on the same printed circuit board, with the coupling between further reduction level and the perpendicular polarization, improves polarization isolation.
In addition, also etching has the power division network 11 that is electrically connected with dipole antenna 8 on above-mentioned printed circuit board, is provided with isolation resistance 12 between each branch circuit of this power division network 11, to reduce the coupling effect between each branch circuit.
Be electrically connected with a sheet metal between metallic reflection plate 1 and the vertical polarized antenna 2, the effect of this sheet metal is vertical polarized antenna 2 DC earthing, to play the effect of lightning protection.
Indoor dual-polarization omnidirectional antenna also is included as first feeding network of horizontally-polarized antenna 3 feeds, and be second feeding network of vertical polarized antenna 2 feeds, wherein, first feeding network comprises first radio frequency connector 13 that is arranged at metallic reflection plate 1 back side, and one end be connected to the feeder cable 14 that horizontally-polarized antenna 3, the other end are connected to first radio frequency connector 13, feeder cable 14 can pass metallic reflection plate 1; Second feeding network comprises second radio frequency connector 15 that is arranged at metallic reflection plate 1 back side.The master port of power division network 11 is drawn by feeder cable 14 and is passed vertical polarized antenna 2, and is connected to first radio frequency connector 13 at metallic reflection plate 1 back side.
As a kind of execution mode, feeder cable 14 can be outer core and is electrically connected to coaxial cable on the metallic reflection plate 1 and first radio frequency connector 13 simultaneously, it is for horizontally-polarized antenna 3 DC earthing, to play the effect of lightning protection that outer core is electrically connected to metallic reflection plate 1.
The above is an embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (10)
1. an indoor dual-polarization omnidirectional antenna is characterized in that, comprises metallic reflection plate, axis normal in described metallic reflection plate and the vertical polarized antenna that is fixed thereon, and the horizontally-polarized antenna that is fixed in described vertical polarized antenna top.
2. indoor dual-polarization omnidirectional antenna as claimed in claim 1 is characterized in that, described vertical polarized antenna is the hollow metal monopole, and class cuboid, bottom that its top is between the side with the cambered surface transition are the four sides cone shape of drawing in along base, described side.
3. indoor dual-polarization omnidirectional antenna as claimed in claim 1 is characterized in that, described horizontally-polarized antenna comprises some dipole antennas that horizontal coplane setting and mutual angle equate, described dipole antenna is the integrated design.
4. indoor dual-polarization omnidirectional antenna as claimed in claim 3 is characterized in that, described horizontally-polarized antenna comprises two symmetrically arranged dipole antennas of rotation at least.
5. indoor dual-polarization omnidirectional antenna as claimed in claim 3, it is characterized in that, described dipole antenna lower end is fixed on described vertical polarized antenna or the metallic reflection plate by first supporting mass, and described vertical polarized antenna lower end is fixed on the described metallic reflection plate by second supporting mass; Described first supporting mass and second supporting mass all adopt insulating material.
6. indoor dual-polarization omnidirectional antenna as claimed in claim 3 is characterized in that described dipole antenna is etched on the same printed circuit board.
7. indoor dual-polarization omnidirectional antenna as claimed in claim 6 is characterized in that, also etching has the power division network that is electrically connected with described dipole antenna on described printed circuit board, is provided with isolation resistance between each branch circuit of described power division network.
8. as each described indoor dual-polarization omnidirectional antenna in the claim 1 to 7, it is characterized in that, be electrically connected with a sheet metal between described metallic reflection plate and the vertical polarized antenna.
9. as each described indoor dual-polarization omnidirectional antenna in the claim 1 to 7, it is characterized in that, described indoor dual-polarization omnidirectional antenna also is included as first feeding network of described horizontally-polarized antenna feed, and be second feeding network of described vertical polarized antenna feed, described first feeding network comprises first radio frequency connector that is arranged on the described metallic reflection plate, and an end is connected to the feeder cable that described horizontally-polarized antenna, the other end are connected to described first radio frequency connector; Described second feeding network comprises second radio frequency connector that is arranged at described metallic reflection backboard face.
10. indoor dual-polarization omnidirectional antenna as claimed in claim 9 is characterized in that, described feeder cable is that outer core is electrically connected to the coaxial cable on the described metallic reflection plate and first radio frequency connector simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200281295U CN201927708U (en) | 2011-01-27 | 2011-01-27 | Indoor bipolarization omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200281295U CN201927708U (en) | 2011-01-27 | 2011-01-27 | Indoor bipolarization omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201927708U true CN201927708U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200281295U Expired - Lifetime CN201927708U (en) | 2011-01-27 | 2011-01-27 | Indoor bipolarization omnidirectional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201927708U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110910A (en) * | 2011-01-27 | 2011-06-29 | 广东通宇通讯股份有限公司 | Indoor dual-polarized omnidirectional antenna |
| CN106450797A (en) * | 2015-08-06 | 2017-02-22 | 启碁科技股份有限公司 | Antenna system |
| CN106447803A (en) * | 2015-08-04 | 2017-02-22 | 航天信息股份有限公司 | Ambiguous path arbitration method based on rail transit |
| CN108598673A (en) * | 2018-03-08 | 2018-09-28 | 广东通宇通讯股份有限公司 | Ultra wide band horizontally polarized omnidirectional antenna and construction method |
| CN114069260A (en) * | 2020-08-07 | 2022-02-18 | 华为技术有限公司 | Antenna system and electronic equipment comprising same |
-
2011
- 2011-01-27 CN CN2011200281295U patent/CN201927708U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110910A (en) * | 2011-01-27 | 2011-06-29 | 广东通宇通讯股份有限公司 | Indoor dual-polarized omnidirectional antenna |
| CN102110910B (en) * | 2011-01-27 | 2014-10-29 | 广东通宇通讯股份有限公司 | Indoor dual-polarized omnidirectional antenna |
| CN106447803A (en) * | 2015-08-04 | 2017-02-22 | 航天信息股份有限公司 | Ambiguous path arbitration method based on rail transit |
| CN106450797A (en) * | 2015-08-06 | 2017-02-22 | 启碁科技股份有限公司 | Antenna system |
| CN108598673A (en) * | 2018-03-08 | 2018-09-28 | 广东通宇通讯股份有限公司 | Ultra wide band horizontally polarized omnidirectional antenna and construction method |
| CN108598673B (en) * | 2018-03-08 | 2023-08-08 | 广东通宇通讯股份有限公司 | Ultra-wideband horizontally polarized omnidirectional antenna and construction method thereof |
| CN114069260A (en) * | 2020-08-07 | 2022-02-18 | 华为技术有限公司 | Antenna system and electronic equipment comprising same |
| CN114069260B (en) * | 2020-08-07 | 2023-03-03 | 华为技术有限公司 | Antenna system and electronic equipment comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20141029 |
|
| RGAV | Abandon patent right to avoid regrant |