CN211182510U - Dual-frequency dual-polarized antenna - Google Patents
Dual-frequency dual-polarized antenna Download PDFInfo
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- CN211182510U CN211182510U CN201921990311.1U CN201921990311U CN211182510U CN 211182510 U CN211182510 U CN 211182510U CN 201921990311 U CN201921990311 U CN 201921990311U CN 211182510 U CN211182510 U CN 211182510U
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Abstract
The utility model discloses a dual-frenquency dual polarized antenna, including the reflecting plate, install in the high frequency oscillator array of the front end of reflecting plate and install in the low frequency oscillator array of the rear end of reflecting plate, high frequency oscillator array includes a first high frequency oscillator and four second high frequency oscillators, the center of first high frequency oscillator with the center line coincidence of reflecting plate along its length direction, the setting of second high frequency oscillator around first high frequency oscillator, every second high frequency oscillator with the interval between the first high frequency oscillator is equal, and the interval between the adjacent second high frequency oscillator is 120 mm; the low-frequency oscillator array comprises four low-frequency oscillators which are symmetrically arranged along the central line of the length direction of the reflecting plate, and the distance between every two adjacent low-frequency oscillators is 200 mm. The dual-frequency dual-polarized antenna has the advantages of stronger signals, better directivity and stronger interference resistance.
Description
Technical Field
The utility model relates to the technical field of antennas, especially, relate to a dual-frenquency dual polarized antenna.
Background
In engineering systems such as radio communication, broadcast television, radar, navigation of air and navigation, radio waves are required to transmit information to complete the work of the whole system, and an antenna is a basic device for transmitting or receiving radio waves in the systems. In radio systems, radio frequency signals output by a transmitter are fed to an antenna via a feeder (cable), which transmits the signals as electromagnetic waves. The emitted electromagnetic wave is received by the antenna and then is transmitted to the radio receiver through the feeder line, so that the radio wave is propagated in space. It can be seen that an antenna is an important radio device for transmitting and receiving electromagnetic waves, and that there is no antenna and no radio communication.
Among a plurality of antenna types, the application of the dual-frequency dual-polarized antenna can meet the requirement of continuous upgrading of a communication system, can effectively solve the problem of multipath fading, can reduce the number of the antennas and reduce the cost of the antennas, and therefore, the dual-frequency dual-polarized antenna is widely applied to large places such as venues and the like. In recent years, with rapid development of technologies and the arrival of the 5G network era, the index requirements of dual-frequency dual-polarized antennas are gradually increased, especially for the working frequency band, gain, horizontal plane lobe width, side lobe suppression and the like.
At present, the dual-frequency dual-polarized antenna on the market comprises a reflecting plate, a high-frequency oscillator array installed at the front end of the reflecting plate and a low-frequency oscillator array installed at the rear end of the reflecting plate, wherein the high-frequency oscillator array comprises four high-frequency oscillators arranged at intervals and surrounding to form a first annular structure, the low-frequency oscillator array comprises four low-frequency oscillators arranged at intervals and surrounding to form a second annular structure, and an anti-interference isolating strip is configured between the high-frequency oscillator array and the low-frequency oscillator array, however, the setting of the space between the adjacent low-frequency oscillators and the space between the adjacent high-frequency oscillators is not reasonable enough, so that the sidelobe width of the dual-frequency dual-polarized antenna is too wide, the signal intensity of the dual-frequency dual-polarized antenna with the structure is not enough, and the use requirement.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a dual-frequency dual-polarized antenna, which can enhance the signal intensity.
The purpose of the utility model is realized by adopting the following technical scheme:
dual-band dual-polarized antenna, comprising:
a reflective plate;
the high-frequency oscillator array is arranged at the front end of the reflecting plate and comprises a first high-frequency oscillator and four second high-frequency oscillators, the center of the first high-frequency oscillator is superposed with the central line of the reflecting plate along the length direction of the reflecting plate, the second high-frequency oscillators are arranged around the first high-frequency oscillator, the distance between each second high-frequency oscillator and the first high-frequency oscillator is equal, and the distance between every two adjacent second high-frequency oscillators is 120 mm;
the low-frequency oscillator array is arranged at the rear end of the reflecting plate and comprises four low-frequency oscillators symmetrically arranged on the center line of the reflecting plate along the length direction of the reflecting plate, and the distance between every two adjacent low-frequency oscillators is 200 mm.
Furthermore, an anti-interference isolator is further mounted on the reflecting plate, and the isolator is located between the high-frequency oscillator array and the low-frequency oscillator array.
Furthermore, the dual-frequency dual-polarized antenna further comprises a combiner, and the high-frequency oscillator and the low-frequency oscillator are both connected with the combiner.
Furthermore, the dual-frequency dual-polarized antenna further comprises a power divider, and the high-frequency oscillator and the low-frequency oscillator are both connected with the power divider.
Furthermore, the dual-frequency dual-polarized antenna further comprises an outer cover arranged on the reflecting plate in a covering mode, and the high-frequency oscillator array and the low-frequency oscillator array are located in a space formed by the reflecting plate and the outer cover in a surrounding mode.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the number of the high-frequency oscillators and the number of the low-frequency oscillators are reasonably configured, the arrangement mode of the high-frequency oscillators and the arrangement mode of the low-frequency oscillators are reasonably arranged, and the distance between the adjacent high-frequency oscillators and the distance between the adjacent low-frequency oscillators are reasonably set, so that the frequency bands of different areas of the dual-frequency dual-polarized antenna are not interfered with each other, the side lobe suppression effect is good, the energy distribution of an upper side lobe is reduced, the same frequency, adjacent frequency and cross-region interference caused after the upper side lobe is too large is reduced, the signal intensity in a coverage area is finally improved, and the use requirement is met.
Drawings
Fig. 1 is a front sectional view of a dual-frequency dual-polarized antenna of the present invention;
fig. 2 is a top view of the dual-band dual-polarized antenna shown in fig. 1;
fig. 3 is an H-plane directional diagram of a dual-frequency dual-polarized antenna in the prior art;
fig. 4 is an H-plane directional pattern of the dual-band dual-polarized antenna shown in fig. 2;
fig. 5 is an E-plane directional diagram of a dual-frequency dual-polarized antenna in the prior art;
fig. 6 is an E-plane pattern of the dual-band dual-polarized antenna shown in fig. 2.
In the figure: 1. a reflective plate; 2. a high-frequency oscillator array; 21. a first high-frequency oscillator; 22. a second high-frequency oscillator; 3. a low frequency oscillator array; 31. a low-frequency oscillator; 4. a combiner; 5. a power divider; 6. a housing; 7. a spacer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Referring to fig. 1-2, a dual-frequency dual-polarized antenna according to a preferred embodiment of the present invention is shown, including a reflection plate 1, a high-frequency oscillator array 2 installed at the front end of the reflection plate 1, a low-frequency oscillator array 3 installed at the rear end of the reflection plate 1, a spacer 7 installed on the reflection plate 1 and located between the high-frequency oscillator array 2 and the low-frequency oscillator array 3, a power divider 5 installed on the reflection plate 1, a combiner 4, and an outer cover 6 covered on the reflection plate 1, the high-frequency oscillator array 2 and the low-frequency oscillator array 3 are all located in a space formed by enclosing the reflection plate 1 and the outer cover 6, the spacer 7 is used for preventing the high-frequency oscillator array 2 and the low-frequency oscillator array 3 from interfering with each other, and the spacer 7 can be a spacer or a spacer.
In a preferred embodiment, the high-frequency oscillator array 2 includes a first high-frequency oscillator 21 and four second high-frequency oscillators 22, the center of the first high-frequency oscillator 21 coincides with the center line of the reflector 1 in the longitudinal direction thereof, the second high-frequency oscillators 22 are disposed around the first high-frequency oscillator 21, the distance between each second high-frequency oscillator 22 and the first high-frequency oscillator 21 is equal, and the distance D1 between adjacent second high-frequency oscillators 22 is 120 mm; the low-frequency oscillator array 3 comprises four low-frequency oscillators 31 which are symmetrically arranged about the central line of the reflecting plate 1 along the length direction of the reflecting plate, and the distance D2 between the adjacent low-frequency oscillators 31 is 200 mm; the high-frequency oscillator and the low-frequency oscillator 31 are both connected with the combiner 4, so that the high-frequency oscillator and the low-frequency oscillator 31 are combined together; the high-frequency oscillator and the low-frequency oscillator 31 are both connected with the power divider 5.
The utility model discloses a dual-frenquency dual polarized antenna, quantity through rational configuration high frequency oscillator and low frequency oscillator 31, the arrangement of rational arrangement high frequency oscillator and low frequency oscillator 31, and rationally set up interval between the adjacent high frequency oscillator and the interval between the adjacent low frequency oscillator 31, make the frequency channel mutual noninterference in this dual-frenquency dual polarized antenna's different regions, and sidelobe suppression effect is good, thereby the energy distribution of last minor lobe has been reduced, reach and reduce the too big back of minor lobe, the same frequency that arouses, face frequently, cross-region interference, finally make the signal intensity in the coverage area improve, and accord with operation requirement.
Multiple times of test tests are carried out on the dual-frequency dual-polarized antenna, and the dual-frequency dual-polarized antenna can meet the requirements of a 5G network: the gain of 900 frequency band (820-960 MHz) is 13.5 +/-1, and the gain of 1800 frequency band (1710-2690 MHz) is 13.5 +/-1.5; the standing-wave ratio is less than or equal to 1.5, and the side lobe suppression (db) is more than or equal to 17, which can be seen in fig. 4 and 6.
If fig. 3 is the H face directional diagram of dual-frenquency dual polarized antenna among the prior art, fig. 4 is the utility model discloses a dual-frenquency dual polarized antenna's H face directional diagram, compare fig. 4 and fig. 3 and know, the main lobe width in fig. 4 is littleer, explains the utility model discloses a dual-frenquency dual polarized antenna radiated electric wave is more concentrated, and the signal is stronger, and the directionality is better, and the range is farther, and the interference killing feature is stronger more to the side lobe in fig. 4 is littleer than the side lobe in fig. 3, explains the utility model discloses a dual-frenquency dual polarized antenna's energy is more concentrated, and the decay is still less, therefore. Like fig. 5 is the E-plane directional diagram of dual-frequency dual-polarized antenna in the prior art, fig. 6 is the E-plane directional diagram of dual-frequency dual-polarized antenna of the present invention, compare fig. 6 with fig. 5, the side lobe in fig. 6 is smaller than the side lobe in fig. 5, which illustrates the present invention is more concentrated in energy, the attenuation is still less, and therefore the signal is also stronger. In conclusion, the dual-frequency dual-polarized antenna has the advantages of stronger signals, better directivity and stronger interference resistance.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (5)
1. Dual-frenquency dual polarized antenna, its characterized in that includes:
a reflective plate;
the high-frequency oscillator array is arranged at the front end of the reflecting plate and comprises a first high-frequency oscillator and four second high-frequency oscillators, the center of the first high-frequency oscillator is superposed with the central line of the reflecting plate along the length direction of the reflecting plate, the second high-frequency oscillators are arranged around the first high-frequency oscillator, the distance between each second high-frequency oscillator and the first high-frequency oscillator is equal, and the distance between every two adjacent second high-frequency oscillators is 120 mm;
the low-frequency oscillator array is arranged at the rear end of the reflecting plate and comprises four low-frequency oscillators symmetrically arranged on the center line of the reflecting plate along the length direction of the reflecting plate, and the distance between every two adjacent low-frequency oscillators is 200 mm.
2. A dual-frequency dual-polarized antenna according to claim 1, wherein a tamper-proof spacer is further mounted on said reflector plate, said spacer being located between said array of high-frequency elements and said array of low-frequency elements.
3. The dual-frequency dual-polarized antenna according to claim 1, further comprising a combiner, wherein the high-frequency element and the low-frequency element are both connected to the combiner.
4. The dual-frequency dual-polarized antenna of claim 1, further comprising a power divider, wherein the high-frequency element and the low-frequency element are both connected to the power divider.
5. The dual-frequency dual-polarized antenna according to claim 1, further comprising an outer cover covering the reflector plate, wherein the high-frequency element array and the low-frequency element array are both located in a space enclosed by the reflector plate and the outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990311.1U CN211182510U (en) | 2019-11-18 | 2019-11-18 | Dual-frequency dual-polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990311.1U CN211182510U (en) | 2019-11-18 | 2019-11-18 | Dual-frequency dual-polarized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211182510U true CN211182510U (en) | 2020-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990311.1U Active CN211182510U (en) | 2019-11-18 | 2019-11-18 | Dual-frequency dual-polarized antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211182510U (en) |
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2019
- 2019-11-18 CN CN201921990311.1U patent/CN211182510U/en active Active
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