CN2691084Y - Double frequency common 45 degree base station antenna - Google Patents
Double frequency common 45 degree base station antenna Download PDFInfo
- Publication number
- CN2691084Y CN2691084Y CN 200420038155 CN200420038155U CN2691084Y CN 2691084 Y CN2691084 Y CN 2691084Y CN 200420038155 CN200420038155 CN 200420038155 CN 200420038155 U CN200420038155 U CN 200420038155U CN 2691084 Y CN2691084 Y CN 2691084Y
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- CN
- China
- Prior art keywords
- radio frequency
- paster
- power splitter
- base station
- antenna
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- Expired - Fee Related
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Abstract
The utility model discloses a double frequency common 45 degrees base station antenna comprising a bottom board (4). The utility model is characterized in that at least one group composed of two basic radiating units is connected to the bottom board (4). Each basic radiating unit comprises an upper paster (5) and a lower paster (7) respectively supported by an upper brace pole (6) and a lower brace pole (8). An L-shaped probe (9) is arranged below the upper paster and the lower paster (7) of the bottom board (4). The L-shaped probe (9) is connected with a bottom board (10) through a supporting column (2). Each L-shaped probe (9) is connected to a radio frequency cable (13) connected with a radio frequency coaxial connector (15) through a power divider. The utility model has the advantages of easy manufacture, low cost, goodly appearance, easy use and superior electrical property.
Description
(1) technical field: the utility model relates to a kind of antenna, relates in particular to 45 ° of antenna for base station of a kind of double frequency shared.
(2) background technology: along with the development of mobile communication business with popularize, the user constantly increases, communication system needs dilatation, the diversity that service area occurs, scrambling, even some service area is positioned at existed building group's middle location, need multiple shaped-beam antenna, carry out the inhibition of secondary lobe and episternites simultaneously, according to the relation of transmitting station and service area, under the constant situation of transmitter power, utilize the directivity of antenna to improve the Effective Radiated Power of service area, be fan-shaped service area directional antenna, mostly be antennas such as slot antenna, aperture-coupled antenna at present, mostly be four sectors and six sectors, be that half-power angle is the sector base stations antenna of 90 ° and 60 °, do not adapt to the needs of communication system volume expansion, do not have strict beamwidth control and high front and back ratio, need utilize two 65 ° sky line parallel row battle array to reach beamwidth like this near 45 °, seem too fat to move huge, use inconvenience, electrical property is not good.
(3) summary of the invention: the purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of manufacturing simple, and with low cost, product is elegant in appearance, and is easy to use, has 45 ° of antenna for base station of double frequency shared of superior electrical property.
The purpose of this utility model can reach by following measure: 45 ° of antenna for base station of double frequency shared, it comprises base plate 4, it is characterized in that connecting on the base plate 4 at least one group of totally 2 basic radiating elements, each basic radiating element comprises paster 5, following paster 7, they are supported by upper support post 6 and lower support post 8 respectively, the below of base plate paster 7 about in the of 4 all connects a L shaped probe 9, L shaped probe 9 links to each other with base plate 10 by support column 2, each L shaped probe 9 all connects a radio frequency cable 13, and radio frequency cable 13 links to each other with radio frequency (RF) coaxial connector 15 by power splitter.
In order further to realize the purpose of this utility model, connect two groups of totally 4 basic radiating elements on the described base plate 4, four radio frequency cables 13 connect 17, one minutes four power splitters 17 of one minute four power splitter and connect radio frequency cable 16, and radio frequency cable 16 connects radio frequency (RF) coaxial connector 15.
In order further to realize the purpose of this utility model, connect four groups of totally 8 basic radiating elements on the described base plate 4, wherein per four radio frequency cables 13 connect one fen four power splitter 17, each one minute four power splitter 17 connects a radio frequency cable 16, every radio frequency cable 16 all links to each other with one-to-two power splitter 19, one-to-two power splitter 19 connects radio frequency cable 18, and radio frequency cable 18 connects radio frequency (RF) coaxial connector 15.
In order further to realize the purpose of this utility model, the length of described two radio frequency cables 16 equates, being uneven in length of four radio frequency cables 13 that one minute four power splitter 17 of four radio frequency cables 13 that one of them one minute four power splitter 17 is connected and another is connected.
For the further the purpose of this utility model that realizes, the described paster 5 of going up, following paster 7 is rectangle, and last paster 5 is identical with the length of following paster 7, and the width of last paster 5 is less than the width of following paster 7.
In order further to realize the purpose of this utility model, connect radome 20 on the described base plate 4.
The utility model can produce following good effect compared with the prior art: the utility model utilizes probe-mount technology, a kind of novel, high-performance, 45 ° of perpendicular polarization directional base station antennas of double frequency shared are provided, the two nets of CDMA and GSM are shared, it makes simple, with low cost, product is elegant in appearance, and is easy to use, has superior electro-optical properties.The needs of this antenna adaptation communication system volume expansion, it has strict beamwidth control and high front and back ratio, and standing-wave ratio is less than 1.4, and bandwidth is 25% (frequency range is 824/960MHZ), be other antennas such as slot antenna, forms such as aperture-coupled antenna can not and.
(4) description of drawings:
Fig. 1 is two unit antenna for base station upward views;
Fig. 2 is two unit antenna for base station front views;
Fig. 3 is two unit antenna for base station vertical views;
Fig. 4 is the base station antenna unit enlarged drawing;
Fig. 5 is four unit antenna for base station upward views;
Fig. 6 is four unit antenna for base station vertical views.
(5) embodiment: preferred embodiment of the utility model is elaborated below in conjunction with accompanying drawing:
Embodiment 1: with two unit antenna for base station is example, 45 ° of antenna for base station of double frequency shared are (referring to Fig. 1-Fig. 4), it comprises base plate 4, connect two groups of totally 4 basic radiating elements on the base plate 4, each basic radiating element structure is identical, be the double-layer paster structure, comprise paster 5, following paster 7, last paster 5, following paster 7 is rectangle, last paster 5 is identical with the length of following paster 7, the width of last paster 5 is less than the width of following paster 7, they are supported by upper support post 6 and lower support post 8 respectively, the below of base plate paster 7 about in the of 4 all connects a L shaped probe 9, by paster under L shaped probe 9 excitations, induce surface current on it and be coupled to paster, simultaneously to aerial radiated electromagnetic wave, L shaped probe 9 is by base 1, probe sleeve pipe 10 and support column 2 are fixed on the base plate 10, and each L shaped probe 9 all connects a radio frequency cable 13, and radio frequency cable 13 connects one minute four power splitter 17, power splitter 17 connected radio frequency cable 16 in one minute four, radio frequency cable 16 connects radio frequency (RF) coaxial connector 15, connects radome 20 on the base plate 4, and an end of base plate 4 connects bottom end cover 14.By paster under probe (29) excitation, induce surface current on it and be coupled to paster, simultaneously to aerial radiated electromagnetic wave.Probe 9, probe sleeve pipe 10 are called probe assembly 11 with probe base 1; Last paster 5 and following paster 7 and upper support post 6 and lower support post 8 are called paster component 12.
Embodiment 2: with four unit antenna for base station is example, 45 ° of antenna for base station of double frequency shared are (referring to Fig. 4-Fig. 6), its structure and two cellular constructions are basic identical, just connect four groups of totally 8 basic radiating elements on the base plate 4, each basic radiating element structure is the same, each L shaped probe 9 all connects a radio frequency cable 13, wherein per four radio frequency cables 13 connect one fen four power splitter 17, each one minute four power splitter 17 connects a radio frequency cable 16, every radio frequency cable 16 all links to each other with one-to-two power splitter 19, one-to-two power splitter 19 connects radio frequency cable 18, and radio frequency cable 18 connects radio frequency (RF) coaxial connector 15.Link radio frequency (RF) coaxial connector 15 from the signal transmssion line of communication equipment, enter feeding network, by radio frequency cable 18 to one-to-two power splitter 19, be divided into two-way then, be connected to one minute four power splitter 17 by radio frequency cable 16 respectively, every road is divided into four the tunnel by one minute four power splitter 17, respectively by 13 to four probe assemblies 11 of four radio frequency cables, by L shaped probe 9 excitation paster components 12, produce radiation by it, see through radome 20 and propagate into free space.What deserves to be explained is: the respective path cable length by 19 to one minutes four power splitters 17 of one-to-two power splitter equates, promptly the length of two radio frequency cables 16 equates, the length cables of four radio frequency cables 13 that one minute four power splitter 17 of four radio frequency cables 13 that one of them one minute four power splitter 17 is connected and another is connected is not wait, this is that the antenna beam figuration causes each probe feed phase place difference, simultaneously, distance between each recombiner unit also is not wait, be that wave beam forming is desired equally, just each recombiner unit current feed phase and spacing are unequal.
Two probe assemblies (11), two paster components (12) and a power splitter couple together by radio frequency cable and become a recombiner unit (one deck), two recombiner units (two layers), four recombiner units (four layers), the horizontal plane half-power angle that six recombiner units (six layers), eight recombiner units (eight layers) etc. can be formed different gains is 45 ° an array antenna for base station.
Claims (6)
1,45 ° of antenna for base station of double frequency shared, it comprises base plate (4), it is characterized in that base plate (4) upward connects at least one group of totally 2 basic radiating elements, each basic radiating element comprises paster (5), following paster (7), they are supported by upper support post (6) and lower support post (8) respectively, base plate (4) below of paster (7) up and down all connects a L shaped probe (9), L shaped probe (9) links to each other with base plate (10) by support column (2), each L shaped probe (9) all connects a radio frequency cable (13), and radio frequency cable (13) links to each other with radio frequency (RF) coaxial connector (15) by power splitter.
2,45 ° of antenna for base station of double frequency shared according to claim 1, it is characterized in that described base plate (4) upward connects two groups of totally 4 basic radiating elements, four radio frequency cables (13) connect one minute four power splitter (17), one minute four power splitter (17) connection radio frequency cable (16), radio frequency cable (16) connects radio frequency (RF) coaxial connector (15).
3,45 ° of antenna for base station of double frequency shared according to claim 1, it is characterized in that described base plate (4) upward connects four groups of totally 8 basic radiating elements, wherein per four radio frequency cables (13) connect one fen four power splitter (17), each one minute four power splitter (17) connection radio frequency cable (16), every radio frequency cable (16) all links to each other with one-to-two power splitter (19), one-to-two power splitter (19) connects radio frequency cable (18), and radio frequency cable (18) connects radio frequency (RF) coaxial connector (15).
4,45 ° of antenna for base station of double frequency shared according to claim 3, the length that it is characterized in that described two radio frequency cables (16) equates, one of them one minute four four radio frequency cable (13) of being connected of power splitter (17) is uneven in length with another one minute four power splitter (17) four radio frequency cable (13) being connected.
5, according to claim 1 or 45 ° of antenna for base station of 2 or 3 or 4 described double frequency shareds, it is characterized in that the described paster (5) of going up, following paster (7) is rectangle, and last paster (5) is identical with the length of following paster (7), and (50 width is less than the width of following paster (7) for last paster.
6,, it is characterized in that described base plate (4) upward connects radome (20) according to claim 1 or 45 ° of antenna for base station of 2 or 3 or 4 described double frequency shareds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420038155 CN2691084Y (en) | 2004-01-17 | 2004-01-17 | Double frequency common 45 degree base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420038155 CN2691084Y (en) | 2004-01-17 | 2004-01-17 | Double frequency common 45 degree base station antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2691084Y true CN2691084Y (en) | 2005-04-06 |
Family
ID=34671037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420038155 Expired - Fee Related CN2691084Y (en) | 2004-01-17 | 2004-01-17 | Double frequency common 45 degree base station antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2691084Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022663A (en) * | 2012-12-05 | 2013-04-03 | 广州中海达卫星导航技术股份有限公司 | Small-sized double-frequency active navigation antenna device |
| CN107258035A (en) * | 2015-02-17 | 2017-10-17 | 罗伯特·博世有限公司 | Antenna equipment and the method for manufacturing antenna equipment |
-
2004
- 2004-01-17 CN CN 200420038155 patent/CN2691084Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022663A (en) * | 2012-12-05 | 2013-04-03 | 广州中海达卫星导航技术股份有限公司 | Small-sized double-frequency active navigation antenna device |
| CN107258035A (en) * | 2015-02-17 | 2017-10-17 | 罗伯特·博世有限公司 | Antenna equipment and the method for manufacturing antenna equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050406 |