CN205319333U - Dual -frenquency double polarization base station antenna - Google Patents
Dual -frenquency double polarization base station antenna Download PDFInfo
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- CN205319333U CN205319333U CN201521141293.1U CN201521141293U CN205319333U CN 205319333 U CN205319333 U CN 205319333U CN 201521141293 U CN201521141293 U CN 201521141293U CN 205319333 U CN205319333 U CN 205319333U
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- high frequency
- vibrator unit
- subelement
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Abstract
The embodiment of the utility model discloses dual -frenquency double polarization base station antenna for solve base station antenna and how reduce the long -pending problem of antenna body when guaranteeing the frequency coverage. The embodiment of the utility model provides an in a dual -frenquency double polarization base station antenna, include: collet dish, more than one high frequency vibrator unit and more than one low frequency vibrator unit, high frequency vibrator unit with low -frequency oscillator unit coaxial is installed on the vertical axis of collet dish, every the installation is one in the middle of the low -frequency oscillator unit high frequency vibrator unit, the low -frequency oscillator unit with high frequency vibrator unit constitutes dual -frenquency dual polarized antenna jointly.
Description
Technical field
This utility model relates to antenna technical field, particularly relates to a kind of double-frequency double-polarization base station antenna.
Background technology
In recent years, along with the development of mobile communication, and 2G also it's time to far away eliminate, it is desirable to antenna system and quantity can get more and more, and the co-sited of 2G, 3G, 4G will be more and more general. But surrounding sites resident family is very sensitive to the increase of plug-in antenna amount due to the fear to electromagnetic radiation. Therefore, while ensureing bin width, how to reduce antenna amount and become those skilled in the art's urgent problem.
Utility model content
This utility model embodiment discloses a kind of double-frequency double-polarization base station antenna, for solving the problem how antenna for base station reduces antenna volume while ensureing frequency coverage.
A kind of double-frequency double-polarization base station antenna that this utility model embodiment provides, including: bottom tray, more than one high frequency vibrating subelement and more than one low-frequency vibrator unit;
Described high frequency vibrating subelement and described low-frequency vibrator unit are coaxially mounted on the vertical axis of described bottom tray;
One described high frequency vibrating subelement is installed in the middle of each described low-frequency vibrator unit;
Described low-frequency vibrator unit and described high frequency vibrating subelement collectively constitute dual-band dual-polarized antenna.
Alternatively, there is more than five high frequency vibrating subelements and two or more low-frequency vibrator unit;
Described high frequency vibrating subelement is equidistantly arranged on the first horizontal plane on described bottom tray;
Described low-frequency vibrator unit is equidistantly arranged on the second horizontal plane on described bottom tray;
Described second horizontal plane is in above described first horizontal plane.
Alternatively,
Spacing between described low-frequency vibrator unit is 2 or 3 times of the spacing between described high frequency vibrating subelement;
0.65 to 0.85 times of the low frequency center frequency wavelength that spacing is described dual-band dual-polarized antenna between described low-frequency vibrator unit.
Alternatively, two described high frequency vibrating subelements can be installed in the middle of described low-frequency vibrator unit.
Alternatively, described low-frequency vibrator unit is made up of four folded dipoles, and forms ± 45 ° of polarization;
Described folded dipole includes the base portion amounting to part, the balun part at middle part and bottom at top;
Described equivalent unit is divided into narrow edge break to close;
Four described folded dipoles divide four direction to form a circle and combination of two forms described low-frequency vibrator unit, and described balun part is bent outwardly so that described low-frequency vibrator unit intermediate formation holds the space of described high frequency vibrating subelement;
Described base portion is fixed on described bottom tray.
Alternatively, described high frequency vibrating subelement is the dual polarization vibrator being made up of half-wave dipole or folded dipole.
Alternatively, described high frequency vibrating subelement by four high frequency folded dipoles divide four direction form a circle and combination of two formed.
Alternatively, described high frequency vibrating subelement both sides are provided with the baffle plate for regulating high frequency waves beam width.
Alternatively, the working frequency range of described low-frequency vibrator unit is 790～970MHz;
The working frequency range of described high frequency vibrating subelement is 1710～2690MHz.
Alternatively, the radiating surface of described low-frequency vibrator unit or high frequency vibrating subelement adopts metal as radiative material.
As can be seen from the above technical solutions, this utility model embodiment has the advantage that
In this utility model embodiment, by installation coaxial between low-frequency vibrator unit with high frequency vibrating subelement, effectively reduce the overall dimensions of antenna, meet the requirement to antenna performance and size aspect of the current base station construction well, while ensureing frequency coverage, decrease antenna volume.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model embodiment medium and low frequency oscillator unit;
Fig. 2 is the structural representation of a kind of double-frequency double-polarization base station antenna in this utility model embodiment;
Fig. 3 is the top view of a kind of double-frequency double-polarization base station antenna in this utility model embodiment;
Fig. 4 is the side sectional view of a kind of double-frequency double-polarization base station antenna in this utility model embodiment.
Detailed description of the invention
This utility model embodiment discloses a kind of double-frequency double-polarization base station antenna, it is possible to solve the problem how antenna for base station reduces antenna volume while ensureing frequency coverage.
Refer to Fig. 1 to Fig. 4, a kind of double-frequency double-polarization base station antenna in this utility model embodiment, including: bottom tray 1, more than one high frequency vibrating subelement 3 and more than one low-frequency vibrator unit 2;
Described high frequency vibrating subelement 3 is coaxially mounted on the vertical axis of described bottom tray 1 with described low-frequency vibrator unit 2;
One described high frequency vibrating subelement 3 is installed in the middle of each described low-frequency vibrator unit 2;
Described low-frequency vibrator unit 2 collectively constitutes dual-band dual-polarized antenna with described high frequency vibrating subelement 3.
Preferably, there are more than five high frequency vibrating subelements 3 and two or more low-frequency vibrator unit 2;
Described high frequency vibrating subelement 3 is equidistantly arranged on the first horizontal plane on described bottom tray 1;
Described low-frequency vibrator unit 2 is equidistantly arranged on the second horizontal plane on described bottom tray 1;
Described second horizontal plane is in above described first horizontal plane.
Preferably, the spacing between described low-frequency vibrator unit 2 is 2 or 3 times of the spacing between described high frequency vibrating subelement 3;0.65 to 0.85 times of the low frequency center frequency wavelength that spacing is described dual-band dual-polarized antenna between described low-frequency vibrator unit 2.
Preferably, in the middle of described low-frequency vibrator unit 2, two described high frequency vibrating subelements 3 can be installed.
Preferably, described low-frequency vibrator unit 2 is made up of four folded dipoles, and forms ± 45 ° of polarization;
Described folded dipole includes the base portion 23 amounting to part 21, the balun part 22 at middle part and bottom at top;
Described part 21 of amounting to is closed for narrow edge break;
Four described folded dipoles divide four direction to form a circle and combination of two forms described low-frequency vibrator unit 2, and described balun part 22 is bent outwardly so that described low-frequency vibrator unit 2 intermediate formation holds the space of described high frequency vibrating subelement 3;
Described base portion 23 is fixed on described bottom tray 1.
Preferably, described high frequency vibrating subelement 3 is the dual polarization vibrator being made up of half-wave dipole or folded dipole.
Preferably, described high frequency vibrating subelement 3 by four high frequency folded dipoles divide four direction form a circle and combination of two formed.
For improving the concordance of the horizontal lobe width of high frequency further, it is preferable that described high frequency vibrating subelement 3 both sides are provided with the baffle plate 4 for regulating high frequency waves beam width.
Preferably, the working frequency range of described low-frequency vibrator unit 2 is 790～970MHz;
The working frequency range of described high frequency vibrating subelement 3 is 1710～2690MHz.
Preferably, the radiating surface of described low-frequency vibrator unit 2 or high frequency vibrating subelement 3 adopts metal as radiative material.
In the present embodiment, low-frequency vibrator unit 2 and high frequency vibrating subelement 3 are equidistantly arranged on bottom tray 1 axis respectively, form low-frequency vibrator array and high frequency vibrating subarray. As shown in Figure 3 and Figure 4, one or two high frequency vibrating subelement 3, low-frequency vibrator array and high frequency vibrating subarray composition double-frequency double-polarization base station antenna are installed in the middle of each low-frequency vibrator unit 2.
It should be noted that, low-frequency vibrator unit 2 adopts folded dipole form, divided four orientation to form a circle by four folded dipoles and combination of two and become the dual polarization vibrator unit of low frequency, such as Fig. 1, high frequency vibrating subelement 3 adopts four high frequency folded dipoles to be combined into the dual polarization vibrator unit of high frequency equally. Its radiative material can be metal, one high frequency vibrating subelement 3 is installed in the middle of each low-frequency vibrator unit 2, one high frequency vibrating subelement 3 is installed between each two low-frequency vibrator unit 2, distance between low-frequency vibrator unit 2 can take 0.65-0.85 times of its centre wavelength, and the distance between high frequency vibrating subelement 3 can take 0.7-0.9 times of its centre wavelength.
The double-frequency double-polarization base station antenna of above-mentioned utility model embodiment is by rational compound mode, improve the electric property of height frequency range, additionally by installation coaxial between low-frequency vibrator unit 2 with high frequency vibrating subelement 3, effectively reduce the overall dimensions of antenna, meet the requirement to antenna performance and size aspect of the current base station construction well.
Above a kind of double-frequency double-polarization base station antenna provided by the utility model is described in detail, for one of ordinary skill in the art, thought according to this utility model embodiment, all will change in specific embodiments and applications, in sum, this specification content should not be construed as restriction of the present utility model.
Claims (10)
1. a double-frequency double-polarization base station antenna, it is characterised in that including: bottom tray, more than one high frequency vibrating subelement and more than one low-frequency vibrator unit;
Described high frequency vibrating subelement and described low-frequency vibrator unit are coaxially mounted on the vertical axis of described bottom tray;
One described high frequency vibrating subelement is installed in the middle of each described low-frequency vibrator unit;
Described low-frequency vibrator unit and described high frequency vibrating subelement collectively constitute dual-band dual-polarized antenna.
2. double-frequency double-polarization base station antenna according to claim 1, it is characterised in that there is more than five high frequency vibrating subelements and two or more low-frequency vibrator unit;
Described high frequency vibrating subelement is equidistantly arranged on the first horizontal plane on described bottom tray;
Described low-frequency vibrator unit is equidistantly arranged on the second horizontal plane on described bottom tray;
Described second horizontal plane is in above described first horizontal plane.
3. double-frequency double-polarization base station antenna according to claim 2, it is characterised in that
Spacing between described low-frequency vibrator unit is 2 or 3 times of the spacing between described high frequency vibrating subelement;
0.65 to 0.85 times of the low frequency center frequency wavelength that spacing is described dual-band dual-polarized antenna between described low-frequency vibrator unit.
4. double-frequency double-polarization base station antenna according to claim 1, it is characterised in that two described high frequency vibrating subelements can be installed in the middle of described low-frequency vibrator unit.
5. double-frequency double-polarization base station antenna according to claim 1, it is characterised in that described low-frequency vibrator unit is made up of four folded dipoles, and form ± 45 ° of polarization;
Described folded dipole includes the base portion amounting to part, the balun part at middle part and bottom at top;
Described equivalent unit is divided into narrow edge break to close;
Four described folded dipoles divide four direction to form a circle and combination of two forms described low-frequency vibrator unit, and described balun part is bent outwardly so that described low-frequency vibrator unit intermediate formation holds the space of described high frequency vibrating subelement;
Described base portion is fixed on described bottom tray.
6. double-frequency double-polarization base station antenna according to claim 1, it is characterised in that described high frequency vibrating subelement is the dual polarization vibrator being made up of half-wave dipole or folded dipole.
7. double-frequency double-polarization base station antenna according to claim 1, it is characterised in that described high frequency vibrating subelement is divided four direction to form a circle by four high frequency folded dipoles and combination of two is formed.
8. double-frequency double-polarization base station antenna according to claim 1, it is characterised in that described high frequency vibrating subelement both sides are provided with the baffle plate for regulating high frequency waves beam width.
9. double-frequency double-polarization base station antenna according to claim 1, it is characterised in that the working frequency range of described low-frequency vibrator unit is 790～970MHz;
The working frequency range of described high frequency vibrating subelement is 1710～2690MHz.
10. double-frequency double-polarization base station antenna according to claim 1, it is characterised in that the radiating surface of described low-frequency vibrator unit or high frequency vibrating subelement adopts metal as radiative material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141293.1U CN205319333U (en) | 2015-12-31 | 2015-12-31 | Dual -frenquency double polarization base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141293.1U CN205319333U (en) | 2015-12-31 | 2015-12-31 | Dual -frenquency double polarization base station antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205319333U true CN205319333U (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521141293.1U Expired - Fee Related CN205319333U (en) | 2015-12-31 | 2015-12-31 | Dual -frenquency double polarization base station antenna |
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| CN (1) | CN205319333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599665A (en) * | 2019-01-08 | 2019-04-09 | 广东司南通信科技有限公司 | A kind of double polarization array antenna and its application |
-
2015
- 2015-12-31 CN CN201521141293.1U patent/CN205319333U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599665A (en) * | 2019-01-08 | 2019-04-09 | 广东司南通信科技有限公司 | A kind of double polarization array antenna and its application |
| CN109599665B (en) * | 2019-01-08 | 2024-04-19 | 广州司南技术有限公司 | Dual-polarized array antenna and application thereof |
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| 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: 20160615 Termination date: 20191231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |