CN221466806U - Dual-polarized X-band antenna with high integration level - Google Patents
Dual-polarized X-band antenna with high integration level Download PDFInfo
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- CN221466806U CN221466806U CN202322913658.9U CN202322913658U CN221466806U CN 221466806 U CN221466806 U CN 221466806U CN 202322913658 U CN202322913658 U CN 202322913658U CN 221466806 U CN221466806 U CN 221466806U
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- 230000010354 integration Effects 0.000 title claims abstract description 11
- 230000005855 radiation Effects 0.000 claims abstract description 25
- 230000009977 dual effect Effects 0.000 claims abstract description 21
- 230000010287 polarization Effects 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000001902 propagating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of communication, and particularly discloses a high-integration dual-polarized X-band antenna which is provided with an upper dielectric plate and a lower dielectric plate, wherein radiation patches and a feed structure are respectively arranged on the front side and the back side of the upper dielectric plate and the front side and the back side of the lower dielectric plate. The upper dielectric plate and the lower dielectric plate are connected through the metallized via holes, so that separate feeding is realized. The antenna radiation patch is composed of two pairs of annular dipoles which are perpendicular to each other, so that horizontal and vertical dual polarization of the antenna is realized. The feeding structure in the preferred technical scheme is connected with the metallized via hole through the bridge structure to realize the separate feeding of the feeding patch which is mutually perpendicular in a plane, and simultaneously is connected with the dipole radiation patch on the surface of the upper dielectric plate. The antenna device has the beneficial effects of high integration, space saving, simple structure, dual polarization function, excellent performance and the like. The utility model also provides communication equipment comprising the antenna.
Description
Technical Field
The utility model relates to the technical field of communication, in particular to a high-integration dual-polarized X-band antenna.
Background
An antenna is a transducer for converting a guided wave propagating on a transmission line into an electromagnetic wave propagating in space, and radio communication, radar, navigation, and the like transmit information by propagating the electromagnetic wave through the antenna. The X-band antenna is often used as a phased array antenna unit, the phased array antenna is often applied to a multifunctional radar, and the antenna directional diagram can be changed through the feed phase of a control unit, so that the purpose of beam scanning is achieved. According to IEEE 521-2002 standard, X wave band refers to 8-12GHz radio wave band, and X wave band radar is a common name for fire control and target tracking radar.
A dual polarized X-band antenna with high integration and simple feed structure is provided.
Disclosure of utility model
In view of the above, the technical problem to be solved by the present utility model is to provide a dual polarized X-band antenna with high integration,
In a first aspect, an embodiment of the present utility model provides a dual polarized X-band antenna with high integration, which is characterized by including:
An upper dielectric plate and a lower dielectric plate;
The front and back surfaces of the upper dielectric plate are respectively provided with two groups of radiation patches;
the front and back surfaces of the lower dielectric plate are provided with feed structures;
The upper dielectric plate and the lower dielectric plate are connected through a metallized via hole so as to realize separate feeding;
The radiating patch is formed by two pairs of mutually perpendicular ring-shaped dipoles.
As a preferable technical scheme of the embodiment, the feeding structure is connected with the metallized via hole through a bridge structure of the middle part, so that separate feeding of the feeding patch which is mutually perpendicular in a plane is realized, and the dipole radiation patch on the surface of the upper dielectric plate is connected.
As a preferable technical scheme of the embodiment, the radiation patch arranged on the upper dielectric plate is a dipole radiation patch; the radiation patch is composed of two pairs of annular dipoles which are perpendicular to each other, and horizontal and vertical dual polarization of the antenna is achieved.
As a preferred technical solution of this embodiment, the feeding structure on the lower dielectric plate is provided with two pairs of mutually perpendicular feeding patches.
In summary, according to the above materials, the antenna device has the following advantages:
1. Highly integrated: by incorporating the feed structure into a dielectric plate, a high degree of integration of the antenna arrangement is achieved. Compared with the traditional antenna feed part, the device has the advantages that a plurality of stand columns and a complex structure of a feed patch are needed, and the problems of narrow operation space, complex processing and large stand column splicing difficulty are reduced.
2. Space saving: the radiation patch on the upper dielectric plate is successfully separated from the feed structure on the lower dielectric plate by adopting the structures of the upper dielectric plate and the lower dielectric plate and connecting the upper dielectric plate and the lower dielectric plate through the metallized via hole. The design enables the whole antenna device to be arranged in a relatively compact space, thereby saving space resources.
3. Simple structure: by integrating the feed structure directly on one dielectric plate, the design of the antenna arrangement is simplified. This reduces not only the difficulty of machining and mounting, but also the number of parts and the effort in the assembly process.
4. Dual polarization function: the antenna device adopts two pairs of mutually perpendicular annular dipoles to form a radiation patch, so that horizontal and vertical dual polarization of the antenna is realized. The design enables the antenna device to simultaneously support two polarization modes, and has wider application range and better performance.
5. Excellent performance: in the frequency range of 7.5-12.2GHz, the antenna device has low standing waves and low return loss, the standing wave values are all below 2.0, and the return loss values are all below-10 dB. In the X wave band, the isolation between channels of the antenna units is below-25 dB.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings required to be used in the embodiments of the present utility model will be briefly described, and it is within the scope of the present utility model to obtain other drawings according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an antenna overall structure of a high-integration dual polarized X-band antenna;
Fig. 2 is an antenna radiation patch structure of a high-integration dual-polarized X-band antenna;
fig. 3 is an antenna feed structure of a high-integration dual polarized X-band antenna;
FIG. 4 is a standing wave plot of an antenna element for a high-integration dual polarized X-band antenna;
fig. 5 is an antenna element return loss curve of a high-integration dual polarized X-band antenna;
Fig. 6 is an inter-antenna element channel isolation for a high-integration dual-polarized X-band antenna;
Parts and numbers in the figures:
10-upper dielectric plate, 20-lower dielectric plate, 11-radiation patch, 12-feed patch.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. If not conflicting, the embodiments of the present utility model and the features of the embodiments may be combined with each other, which are all within the protection scope of the present utility model.
Example 1
Referring to fig. 1, an embodiment of the present invention provides a dual polarized X-band antenna with high integration, which is characterized by comprising: an upper dielectric plate 10 and a lower dielectric plate 20; the front and back sides of the upper dielectric plate 10 are respectively provided with two groups of radiation patches 11; the front and back sides of the lower dielectric plate 20 are provided with feed structures;
The upper dielectric plate 10 and the lower dielectric plate 20 are connected through metallized via holes to realize separate feeding;
The radiating patch 11 is formed by two pairs of mutually perpendicular ring-shaped dipoles.
As a preferred technical solution of this embodiment, the feeding structure is connected to the metallized via hole through a bridge structure in the middle portion, so as to realize separate feeding of the feeding patches 12 perpendicular to each other in a plane, and simultaneously connect the dipole radiation patches on the surface of the upper dielectric plate 10.
As a preferred technical solution of this embodiment, the radiation patch 11 disposed on the upper dielectric plate 10 is a dipole radiation patch; the radiation patch 11 is composed of two pairs of ring dipoles which are perpendicular to each other, so that horizontal and vertical dual polarization of the antenna is realized.
As a preferred solution of this embodiment, the feeding structure on the lower dielectric plate 20 is provided with two pairs of feeding patches 12 perpendicular to each other.
The antenna is integrally formed by pressing two dielectric plates, the front side and the back side of the upper dielectric plate 10 are two groups of dipole radiation patches, the front side and the back side of the lower dielectric plate 20 are feed structures, the two layers of plates are connected through metallized through holes, separate feed is realized, and the integral structure is shown in figure 1.
The radiation patch is composed of two pairs of annular dipoles which are perpendicular to each other, so that horizontal and vertical dual polarization of the antenna is realized, and the structural schematic diagram is shown in figure 2.
The feeding structure of the antenna unit is shown in fig. 3, and the feeding patches 12 which are mutually perpendicular in the same plane are skillfully avoided through the bridge structure and the metallized via holes at the middle part, so that the effect of feeding respectively is achieved. The metallized vias also serve as connections to the radiating patches 11 on the surface of the upper dielectric plate. The structure ensures that the feed structure is arranged on a dielectric plate, saves a large amount of space compared with the prior art, reduces the processing and installation difficulty and simultaneously maintains the performance of the antenna unit.
The feed part of the antenna type traditional antenna feed structure consists of four stand columns and feed patches, so that the operation space is narrow, the processing is complex, and the splicing difficulty of the stand columns is high; in contrast, the utility model has the advantages that the feeding structure is fused on a dielectric plate, the method is simple and convenient, and the whole is highly integrated.
The standing wave and return loss curves of the antenna unit are shown in fig. 4 and 5, the standing wave values of the antenna are all below 2.0, and the return loss values are all below-10 dB in the frequency range of 7.5-12.2 GHz. In the X wave band, the isolation between the antenna unit channels is below-25 dB, as shown in figure 6.
In summary, according to the above materials, the antenna device has the following advantages:
1. Highly integrated: by incorporating the feed structure into a dielectric plate, a high degree of integration of the antenna arrangement is achieved. Compared with the traditional antenna feed part, the device has the advantages that a plurality of stand columns and a complex structure of a feed patch are needed, and the problems of narrow operation space, complex processing and large stand column splicing difficulty are reduced.
2. Space saving: the radiation patch on the upper dielectric plate is successfully separated from the feed structure on the lower dielectric plate by adopting the structures of the upper dielectric plate and the lower dielectric plate and connecting the upper dielectric plate and the lower dielectric plate through the metallized via hole. The design enables the whole antenna device to be arranged in a relatively compact space, thereby saving space resources.
3. Simple structure: by integrating the feed structure directly on one dielectric plate, the design of the antenna arrangement is simplified. This reduces not only the difficulty of machining and mounting, but also the number of parts and the effort in the assembly process.
4. Dual polarization function: the antenna device adopts two pairs of mutually perpendicular annular dipoles to form a radiation patch, so that horizontal and vertical dual polarization of the antenna is realized. The design enables the antenna device to simultaneously support two polarization modes, and has wider application range and better performance.
5. Excellent performance: in the frequency range of 7.5-12.2GHz, the antenna device has low standing waves and low return loss, the standing wave values are all below 2.0, and the return loss values are all below-10 dB. In the X wave band, the isolation between channels of the antenna units is below-25 dB.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (4)
1. A high integration dual polarized X-band antenna comprising:
An upper dielectric plate and a lower dielectric plate;
two groups of radiation patches are respectively arranged on the front surface of the upper dielectric plate;
the front and back surfaces of the lower dielectric plate are provided with feed structures;
The upper dielectric plate and the lower dielectric plate are connected through a metallized via hole so as to realize separate feeding;
The radiating patch is formed by two pairs of mutually perpendicular ring-shaped dipoles.
2. The high-integration dual polarized X-band antenna of claim 1, wherein the feeding structure is connected to the metallized via hole through a bridge structure in the middle portion, so as to realize separate feeding of the feeding patches perpendicular to each other in a plane, and simultaneously connect the dipole radiation patches on the surface of the upper dielectric plate.
3. The high-integration dual-polarized X-band antenna of claim 1, wherein the radiation patch disposed on the upper dielectric plate is a dipole radiation patch; the radiation patch is composed of two pairs of annular dipoles which are perpendicular to each other, and horizontal and vertical dual polarization of the antenna is achieved.
4. A high integration dual polarized X-band antenna according to claim 3, wherein the feed structure on the lower dielectric plate is provided with two pairs of mutually perpendicular feed patches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322913658.9U CN221466806U (en) | 2023-10-30 | 2023-10-30 | Dual-polarized X-band antenna with high integration level |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322913658.9U CN221466806U (en) | 2023-10-30 | 2023-10-30 | Dual-polarized X-band antenna with high integration level |
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| CN221466806U true CN221466806U (en) | 2024-08-02 |
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| CN202322913658.9U Active CN221466806U (en) | 2023-10-30 | 2023-10-30 | Dual-polarized X-band antenna with high integration level |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118983644A (en) * | 2024-08-19 | 2024-11-19 | 广东工业大学 | Low profile broadband high isolation orthogonal dipole antenna and communication equipment |
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- 2023-10-30 CN CN202322913658.9U patent/CN221466806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118983644A (en) * | 2024-08-19 | 2024-11-19 | 广东工业大学 | Low profile broadband high isolation orthogonal dipole antenna and communication equipment |
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