CN221226564U - Same-frequency different-frequency integrated antenna - Google Patents
Same-frequency different-frequency integrated antenna Download PDFInfo
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- CN221226564U CN221226564U CN202323164537.5U CN202323164537U CN221226564U CN 221226564 U CN221226564 U CN 221226564U CN 202323164537 U CN202323164537 U CN 202323164537U CN 221226564 U CN221226564 U CN 221226564U
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- 238000009434 installation Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The utility model provides a same-frequency different-frequency integrated antenna, which comprises a mounting platform, a first integrated antenna and a second integrated antenna, wherein the first integrated antenna and the second integrated antenna are both mounted on the mounting platform, the first integrated antenna comprises a first top radiator and a first bottom radiator, the second integrated antenna comprises a second top radiator and a second bottom radiator, the first top radiator and the first bottom radiator have the same working frequency range, and the second top radiator and the second bottom radiator have different working frequency ranges. The utility model helps to reduce mutual interference between antennas.
Description
Technical Field
The utility model relates to the technical field of information communication equipment, in particular to a same-frequency and different-frequency integrated antenna.
Background
In recent years, with rapid development and progress of radio communication technology, requirements on various platform radio frequency terminals are also increasing. The ground communication antenna has the function of receiving and transmitting radio signals and realizing signal transmission with other equipment. The receiving and transmitting antennas need to be separately fed, but this can lead to space shortage, and a plurality of antennas have a certain conflict in installation positions, and problems of antenna shielding and electromagnetic compatibility can also come to the end.
The Chinese patent application with publication number CN212908111U discloses a multi-band antenna integration structure, which comprises a power module and an array antenna module. The power module is provided with a signal feed-in end. The array antenna module is electrically connected to the power module. The array antenna module comprises a plurality of antenna units suitable for different frequency band ranges. The antenna units of the array antenna module receive signals in different frequency ranges, and the signals are transmitted to an electronic device through the signal feed-in end of the power module. However, in the above-mentioned multi-band antenna integrated structure, at least four groups of antennas need to be installed, and the more antennas are installed in a limited installation space, the more easily the electromagnetic compatibility problem is caused, so it is very necessary to provide a same-frequency different-frequency integrated antenna to reduce the mutual interference between the antennas and avoid the electromagnetic compatibility problem as much as possible.
Disclosure of utility model
In view of this, the present utility model provides a co-frequency and inter-frequency integrated antenna, in which two co-frequency radiators or two inter-frequency radiators are integrated into one integrated antenna, so that the number of antennas to be installed is reduced by one time, and further mutual interference between the antennas can be effectively reduced.
The utility model provides a same-frequency different-frequency integrated antenna which comprises a mounting platform, a first integrated antenna and a second integrated antenna, wherein the first integrated antenna and the second integrated antenna are both mounted on the mounting platform, the first integrated antenna comprises a first top radiator and a first bottom radiator, the second integrated antenna comprises a second top radiator and a second bottom radiator, the first top radiator and the second top radiator have different working frequency ranges, and the first bottom radiator and the second bottom radiator have the same working frequency range.
On the basis of the above technical solution, preferably, the operating frequency band of the first top radiator includes 30-88MHz or 108-678MHz, and the operating frequency band of the second top radiator is 108-678MHz.
On the basis of the technical scheme, preferably, the working frequency bands of the first bottom radiator and the second bottom radiator are 30-88MHz.
Still further preferably, a first choke is further provided between the first top radiator and the first bottom radiator, and a second choke is further provided between the second top radiator and the second bottom radiator.
Still more preferably, the first choke and the second choke are each provided in a circular ring shape.
Still further preferably, the first integrated antenna further comprises a first antenna housing, the second integrated antenna further comprises a second antenna housing, the first top radiator, the first choke and the first bottom radiator are sequentially mounted in the first antenna housing, and the second top radiator, the second choke and the second bottom radiator are sequentially mounted in the second antenna housing.
Still further preferably, the first integrated antenna and the second integrated antenna each include a top interface and a bottom interface, the top interface of the first integrated antenna is electrically connected with the first top radiator through a first feeding component, the bottom interface of the first integrated antenna is electrically connected with the first bottom radiator through a second feeding component, the top interface of the second integrated antenna is electrically connected with the second top radiator through a third feeding component, and the bottom interface of the second integrated antenna is electrically connected with the second bottom radiator through a fourth feeding component.
Still further preferably, the first feeding assembly, the second feeding assembly, the third feeding assembly and the fourth feeding assembly are all cables.
Compared with the prior art, the same-frequency and different-frequency integrated antenna has the following beneficial effects:
(1) By integrating two same-frequency radiators or two different-frequency radiators into one integrated antenna, the number of the antennas to be installed can be doubled, so that the mutual interference between the antennas can be effectively reduced, and meanwhile, the integrated antenna adopts a mode of vertically superposing the same-frequency-band or different-frequency-band antenna radiators, so that the length of the integrated antenna is the same as that of a single-frequency-band antenna, and the electrical performance index of the integrated antenna is hardly reduced compared with that of the single-frequency-band antenna;
(2) The choke coil is adopted between the vertically overlapped radiating bodies of the same-frequency-band or different-frequency-band antenna by the integrated antenna, so that the isolation degree of two output ports of the integrated antenna reaches-30 dbi, the two ports of the integrated antenna can simultaneously transmit and receive, and the electrical performance index of the integrated antenna is hardly reduced compared with that of a single-frequency-band antenna;
(3) Under the condition that a plurality of same-frequency or different-frequency antennas are required to be installed, the number of the installed antennas is reduced, the area of an installation platform is reduced, the total weight of the installation platform and the antennas is reduced, on the installation platform with the same area, the space between the antennas can be increased due to the reduction of the number of the installed antennas, the mutual interference among the antennas is reduced intangibly, and the communication effect of the antennas is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an integrated antenna with same frequency and different frequencies provided by the utility model;
Fig. 2 is a schematic structural diagram of a first integrated antenna according to the present utility model;
fig. 3 is a schematic structural diagram of a second integrated antenna according to the present utility model.
Reference numerals illustrate: 1. a mounting platform; 2. a first integrated antenna; 21. a first top radiator; 22. a first bottom radiator; 23. a first choke; 24. a first antenna housing; 3. a second integrated antenna; 31. a second top radiator; 32. a second bottom radiator; 33. a second choke; 34. a second antenna housing; 4. a top interface; 5. a bottom interface.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
The utility model discloses a same-frequency different-frequency integrated antenna, referring to fig. 1, the same-frequency different-frequency integrated antenna comprises a mounting platform 1, a first integrated antenna 2 and a second integrated antenna 3, wherein the first integrated antenna 2 and the second integrated antenna 3 are both mounted on the mounting platform 1.
The first integrated antenna 2 comprises a first top radiator 21 and a first bottom radiator 22, a first choke 23 is further arranged between the first top radiator 21 and the first bottom radiator 22, the working frequency band of the first top radiator 21 comprises 30-88MHz or 108-678MHz, and the working frequency band of the first bottom radiator 22 is 30-88MHz.
The second integrated antenna 3 comprises a second top radiator 31 and a second bottom radiator 32, a second choke 33 is further arranged between the second top radiator 31 and the second bottom radiator 32, the working frequency band of the second top radiator 31 is 108-678MHz, and the working frequency band of the second bottom radiator 32 is 30-88MHz.
Wherein the first top radiator 21 and the second top radiator 31 have different operating frequency bands, and the first bottom radiator 22 and the second bottom radiator 32 have the same operating frequency band. Through integrating two same-frequency radiators or two different-frequency radiators into one integrated antenna, the quantity of the antennas to be installed can be doubled, and then mutual interference between the antennas can be effectively reduced.
Under the condition that a plurality of same-frequency or different-frequency antennas are required to be installed, the number of the installed antennas is reduced, the area of the installation platform 1 is reduced, the total weight of the installation platform 1 and the antennas is reduced, on the installation platform 1 with the same area, the space between the antennas can be increased due to the reduction of the number of the installed antennas, the mutual interference among the antennas is reduced intangibly, and the communication effect of the antennas is improved.
In one example, the operating frequency of the first top radiator 21 of the first integrated antenna 2 may be 108-678MHz, the operating frequency of the first bottom radiator 22 may be 30-88MHz, the operating frequency of the second top radiator 31 of the second integrated antenna 3 may be 108-678MHz, and the operating frequency of the second bottom radiator 32 may be 30-88MHz, i.e. two identical antennas may be mounted on the mounting platform 1, each antenna may operate in two different frequency bands (30-88 MHz and 108-678 MHz), while each antenna has two interfaces respectively connected to corresponding stations.
In one example, the first top radiator 21 of the first integrated antenna 2 may have an operating frequency of 30-88MHz, the first bottom radiator 22 may have an operating frequency of 30-88MHz, the second top radiator 31 of the second integrated antenna 3 may have an operating frequency of 108-678MHz, and the second bottom radiator 32 may have an operating frequency of 30-88MHz, i.e. two different antennas are mounted on the mounting platform 1, one antenna integrates two antennas operating in the 30-88MHz frequency band, and the other antenna integrates antennas operating in two different frequency bands (30-88 MHz and 108-678 MHz), each antenna having two interfaces respectively connected to a corresponding station.
Meanwhile, since the first choke 23 is further arranged between the first top radiator 21 and the first bottom radiator 22 in the first integrated antenna 2, the second choke 33 is further arranged between the second top radiator 31 and the second bottom radiator 32 in the second integrated antenna 3, and the first choke 23 and the second choke 33 are all in annular arrangement, the isolation degree of two output ports of the integrated antenna reaches-30 dbi, the two ports of the integrated antenna can be ensured to perform transceiving operation at the same time, and the electrical performance index of the integrated antenna is hardly reduced compared with that of a single-band antenna.
The first integrated antenna 2 further comprises a first antenna housing 24, the second integrated antenna 3 further comprises a second antenna housing 34, the first top radiator 21, the first choke 23 and the first bottom radiator 22 are mounted in sequence in the first antenna housing 24, and the second top radiator 31, the second choke 33 and the second bottom radiator 32 are mounted in sequence in the second antenna housing 34. The first antenna housing 24 and the second antenna housing 34 may be made of any dielectric material with good wave permeability, and the first antenna housing 24 and the second antenna housing 34 may have a cylindrical shape or any polygonal shape.
The first integrated antenna 2 and the second integrated antenna 3 each comprise a top interface 4 and a bottom interface 5, the top interface 4 of the first integrated antenna 2 is electrically connected with the first top radiator 21 through a first feed assembly, the bottom interface 5 of the first integrated antenna 2 is electrically connected with the first bottom radiator 22 through a second feed assembly, the top interface 4 of the second integrated antenna 3 is electrically connected with the second top radiator 31 through a third feed assembly, and the bottom interface 5 of the second integrated antenna 3 is electrically connected with the second bottom radiator 32 through a fourth feed assembly. The first feeding assembly, the second feeding assembly, the third feeding assembly and the fourth feeding assembly are all cables. And the top interface 4 and the bottom interface 5 can be designed into different models, so as to realize misplug prevention design.
In this embodiment, in the first integrated antenna 2, the first feeding component for feeding the first top radiator 21 may pass through the centers of the first bottom radiator 22 and the first choke 23 and be electrically connected to the first top radiator 21, the first feeding component may also be wound around the first bottom radiator 22 and pass through the center of the first choke 23 and be electrically connected to the first top radiator 21, and the second feeding component for feeding the first bottom radiator 22 is directly electrically connected to the first bottom radiator 22. Likewise, in the second integrated antenna 3, the connection relationship between the second top radiator 31 and the third feeding component and the connection relationship between the second bottom radiator 32 and the fourth feeding component are identical to those of the first integrated antenna 2, and will not be described herein.
In one example, the resonant frequency and impedance bandwidth of the top and bottom radiators may be adjusted by varying the length and width of the top and bottom radiators, respectively, and the isolation characteristics between the top and bottom radiators may be optimized by adjusting the length and width of the intermediate choke structure.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides an integrated antenna of different frequency of same frequency, its characterized in that includes mounting platform (1), first integrated antenna (2) and second integrated antenna (3), first integrated antenna (2) with second integrated antenna (3) all install in on mounting platform (1), first integrated antenna (2) include first top radiator (21) and first bottom radiator (22), second integrated antenna (3) include second top radiator (31) and second bottom radiator (32), first top radiator (21) and second top radiator (31) have different operating frequency ranges, first bottom radiator (22) with second bottom radiator (32) have the same operating frequency range.
2. The co-frequency, different-frequency integrated antenna of claim 1, wherein the operating frequency band of the first top radiator (21) comprises 30-88MHz or 108-678MHz, and the operating frequency band of the second top radiator (31) is 108-678MHz.
3. The co-frequency and different-frequency integrated antenna according to claim 1, wherein the first bottom radiator (22) and the second bottom radiator (32) each have an operating frequency band of 30-88MHz.
4. The co-frequency and different-frequency integrated antenna according to claim 1, wherein a first choke (23) is further arranged between the first top radiator (21) and the first bottom radiator (22), and a second choke (33) is further arranged between the second top radiator (31) and the second bottom radiator (32).
5. The co-frequency and different-frequency integrated antenna according to claim 4, wherein the first choke (23) and the second choke (33) are each arranged in a circular ring.
6. The co-frequency and different-frequency integrated antenna according to claim 4, wherein the first integrated antenna (2) further comprises a first antenna housing (24), the second integrated antenna (3) further comprises a second antenna housing (34), the first top radiator (21), the first choke (23) and the first bottom radiator (22) are sequentially mounted in the first antenna housing (24), and the second top radiator (31), the second choke (33) and the second bottom radiator (32) are sequentially mounted in the second antenna housing (34).
7. The co-frequency and different-frequency integrated antenna according to claim 4, wherein the first integrated antenna (2) and the second integrated antenna (3) each comprise a top interface (4) and a bottom interface (5), the top interface (4) of the first integrated antenna (2) is electrically connected with the first top radiator (21) through a first feeding component, the bottom interface (5) of the first integrated antenna (2) is electrically connected with the first bottom radiator (22) through a second feeding component, the top interface (4) of the second integrated antenna (3) is electrically connected with the second top radiator (31) through a third feeding component, and the bottom interface (5) of the second integrated antenna (3) is electrically connected with the second bottom radiator (32) through a fourth feeding component.
8. The co-frequency and different frequency integrated antenna according to claim 7, wherein the first feed assembly, the second feed assembly, the third feed assembly, and the fourth feed assembly are all cables.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221226564U true CN221226564U (en) | 2024-06-25 |
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