CN217387545U - Lens antenna device - Google Patents
Lens antenna device Download PDFInfo
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- CN217387545U CN217387545U CN202220974387.0U CN202220974387U CN217387545U CN 217387545 U CN217387545 U CN 217387545U CN 202220974387 U CN202220974387 U CN 202220974387U CN 217387545 U CN217387545 U CN 217387545U
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Abstract
The utility model discloses a lens antenna device, including a N lens antenna body module, lens antenna body module includes the feed subassembly and sets up the luneberg lens subassembly of feed subassembly top. The utility model discloses a lens antenna device has optimized antenna device's inner structure, is favorable to realizing antenna device's miniaturization to and be favorable to improving antenna device's reliability and high efficiency.
Description
Technical Field
The utility model relates to a mobile communication technology field especially relates to a lens antenna device.
Background
The most common application in the field of mobile communication is plate antennas, the design size of the multi-frequency multi-port plate antennas is large, the internal structure is complex, especially, a plurality of pairs of antennas are spliced in the design aspect of multi-beam antennas, the size of the antennas is large, the windward area is large, certain risks exist in the reliability of outdoor structures after long-term use, the coverage effect of the traditional plate antennas on trunk scenes such as high-speed/high-speed rails is not ideal, and the technical defects of coverage dead zones or weak coverage zones exist.
Therefore, how to optimize the structure of the antenna device is an urgent technical problem to be solved, which is beneficial to realizing the miniaturization of the antenna device and improving the reliability and high efficiency of the antenna device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a lens antenna device is provided, be favorable to realizing antenna device's miniaturization to and be favorable to improving antenna device's reliability, high efficiency.
In order to solve the technical problem, the utility model discloses a lens antenna device, including a N lens antenna body module, lens antenna body module includes the feed subassembly and sets up the luneberg lens subassembly of feed subassembly top, wherein:
the luneberg lens component comprises a first support frame, a first gradient compensation medium, a lens main body, a second gradient compensation medium and a second support frame which are arranged from left to right in sequence,
the first support frame is provided with a first cavity with a right opening, the second support frame is provided with a second cavity with a left opening, the first gradient compensation medium is embedded in the first cavity, the second gradient compensation medium is embedded in the second cavity,
the first support frame is further provided with a first mounting hole, the second support frame is further provided with a second mounting hole, a first support column is arranged between the first support frame and the second support frame, and two ends of the first support column are respectively nested in the first mounting hole and the second mounting hole.
It is therefore clear that the utility model discloses a lens antenna device has optimized antenna device's inner structure, is favorable to realizing antenna device's miniaturization to and be favorable to improving antenna device's reliability and high efficiency.
As an optional implementation mode, in the utility model discloses, the feed subassembly includes reflecting plate, spacer and the feed body that from the bottom up set gradually.
As an optional implementation manner, the present invention further includes M DIN connectors disposed on one side of the luneberg lens assembly.
As an optional implementation mode, in the present invention, the first support frame is provided with a second support column, and the DIN connector is fixed on the mounting plate, the mounting plate is provided with a third mounting hole, and the second support column is nested in the third mounting hole.
As an optional implementation manner, in the present invention, the lens antenna body modules are arranged in the horizontal direction, and N lens antenna body modules are connected to each other through a third support column.
As an optional implementation manner, the present invention further includes a housing, and the N lens antenna modules are disposed in the housing.
As an optional implementation manner, in the present invention, the housing includes end caps respectively disposed at the left and right sides, and an antenna cover body disposed between the two end caps.
As an optional implementation manner, in the present invention, the antenna cover body is provided with a connecting plate on the outer wall thereof.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lens antenna body module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a luneberg lens assembly according to an embodiment of the present invention;
fig. 3 is an exploded view of the lens antenna body module shown in fig. 1;
fig. 4 is a schematic structural diagram of a lens antenna device according to an embodiment of the present invention;
FIG. 5 is an exploded view of the lens antenna assembly shown in FIG. 4;
fig. 6 is a schematic structural diagram of another lens antenna device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. In the description of the present invention, the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The utility model discloses a lens antenna device, including a N lens antenna body module, as shown in fig. 1 to 3, lens antenna body module 1000 includes feed subassembly 200 and the Luneberg lens subassembly 100 of setting in feed subassembly 200 top, wherein:
the luneberg lens assembly 100 comprises a first support frame 110, a first gradient compensation medium 120, a lens body 130, a second gradient compensation medium 140 and a second support frame 150 arranged in sequence from left to right,
the first supporting frame 110 is provided with a first cavity 111 with a right opening, the second supporting frame 150 is provided with a second cavity 151 with a left opening, the first gradient compensation medium 120 is embedded in the first cavity 111, the second gradient compensation medium 140 is embedded in the second cavity 151,
the first support frame 110 is further provided with a first mounting hole 112, the second support frame 150 is further provided with a second mounting hole 152, a first support column 160 is arranged between the first support frame 110 and the second support frame 150, and two ends of the first support column 160 are respectively nested in the first mounting hole 112 and the second mounting hole 152.
The luneberg lens antenna (i.e., the luneberg lens assembly 100) is an antenna that focuses electromagnetic waves based on the lens principle, and is more effective in controlling the beam width and coverage than a conventional plate-shaped antenna. The utility model discloses a lens antenna device is favorable to improving coverage efficiency through setting up Luneberg lens subassembly 100 to be favorable to realizing antenna device's miniaturization (in same signal coverage demand, lens antenna device's size is littleer than the size of traditional antenna).
In the embodiment of the present invention, the first gradient compensation medium 120, the lens main body 130 and the second gradient compensation medium 140 form a luneberg lens body, wherein the first gradient compensation medium 120 is embedded in the first cavity 111, and the second gradient compensation medium 140 is embedded in the second cavity 151. This is advantageous for the internal structure of the luneberg lens body to be compact to realize the miniaturization of the luneberg lens body, thereby being advantageous for improving the miniaturization of the lens antenna device.
Alternatively, the lens body 130 may be cylindrical; further alternatively, the lens body 130 may be composed of multiple layers of different dielectric constant dielectrics; still further alternatively, the dielectric constants of the dielectric layers may decrease from inside to outside.
Alternatively, the first gradient compensation medium 120 and the second gradient compensation medium 140 may be cylindrical; further alternatively, the first gradient compensation medium 120 and the second gradient compensation medium 140 may be symmetrically disposed on both sides of the end surface of the lens body 130; still further alternatively, the dielectric constants of the first gradient compensation medium 120 and the second gradient compensation medium 140 may be sequentially decreased in a radial direction of the cylindrical end surfaces thereof.
In the embodiment of the present invention, a first supporting pillar 160 is disposed between the first supporting frame 110 and the second supporting frame 150, and two ends of the first supporting pillar 160 are respectively embedded in the first mounting hole 112 and the second mounting hole 152. The first support column 160 can limit the distance between the first support frame 110 and the second support frame 150, thereby facilitating the assembly between the components inside the luneberg lens assembly 100, and can cooperate with the first support frame 110 and the second support frame 150 to support. This is advantageous in improving the reliability of the luneberg lens assembly 100 to facilitate improving the reliability of the lens antenna arrangement.
Optionally, two ends of the first support column 160 are provided with internal threads, the first mounting hole 112 and the second mounting hole 152 are respectively butted with the internal threads arranged at the two ends of the first support column 160, and the first support column 160 is respectively in threaded connection with the first support frame 110 and the second support frame 150 through screws.
It is therefore clear that the utility model discloses a lens antenna device has optimized antenna device's inner structure, is favorable to realizing antenna device's miniaturization to and be favorable to improving antenna device's reliability and high efficiency.
In some embodiments of the present invention, as shown in fig. 3, the feed source assembly 200 includes a reflector 230, a spacer 220 and a feed source body 210, which are sequentially arranged from bottom to top. Such a feed assembly 200 is simple in structure and compact in arrangement, further contributing to miniaturization of the lens antenna device.
In further embodiments of the present invention, as shown in fig. 3 and 4, the lens antenna apparatus further includes M (M is 2 in the drawing) DIN connectors 300 disposed on one side of the luneberg lens assembly 100. The lens antenna device can realize signal transmission with an external device through the DIN connector 300.
Further, a second supporting column 310 is disposed on the first supporting frame 110, and the DIN connector 300 is fixed on the mounting plate 320, a third mounting hole 321 is disposed on the mounting plate 320, and the second supporting column 310 is nested in the third mounting hole 321. The second support columns 310 serve as a stopper on one hand and a support between the mounting plate 320 and the luneberg lens assembly 100 on the other hand, which is advantageous for improving the stability of signal transmission between the DIN connector 300 and an external device. Alternatively, the mounting plate 320 may be provided in a U-shape to appropriately reduce the size of the mounting plate 320, thereby facilitating reduction of signal interference thereof with the luneberg lens assembly 100.
In further embodiments of the present invention, as shown in fig. 6, the lens antenna body modules 1000 are arranged in the horizontal direction, and N (N is 2 in fig. 6) lens antenna body modules 1000 are connected to each other by the third support column 2000. By orderly stacking the plurality of lens antenna body modules 1000, the practical use requirement of the lens antenna device is met, which is beneficial to improving the applicability of the lens antenna device.
In further embodiments of the present invention, as shown in fig. 4 and 5, the lens antenna device further includes a housing 3000, and N (in fig. 4 and 5, N is 1) lens antenna modules are disposed in the housing 3000. The housing 3000 protects the N lens antenna modules.
Further, the housing 3000 includes end caps 3100 provided on the left and right sides, respectively, and an antenna housing 3200 provided between the end caps 3100. Split type shell 3000 is favorable to the convenience to this N lens antenna module routine maintenance.
Still further, a connection plate 3300 is provided on the outer wall of the antenna cover body 3200. The lens antenna assembly may be secured to an external support by the connecting plate 3300.
Finally, it should be noted that: the lens antenna device disclosed in the embodiments of the present invention is only a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (8)
1. A lens antenna assembly, comprising N lens antenna body modules, said lens antenna body modules comprising a feed assembly and a luneberg lens assembly disposed above said feed assembly, wherein:
the luneberg lens component comprises a first support frame, a first gradient compensation medium, a lens main body, a second gradient compensation medium and a second support frame which are arranged from left to right in sequence,
the first support frame is provided with a first cavity with a right opening, the second support frame is provided with a second cavity with a left opening, the first gradient compensation medium is embedded in the first cavity, the second gradient compensation medium is embedded in the second cavity,
the first support frame is further provided with a first mounting hole, the second support frame is further provided with a second mounting hole, a first support column is arranged between the first support frame and the second support frame, and two ends of the first support column are respectively nested in the first mounting hole and the second mounting hole.
2. The lens antenna device of claim 1, wherein the feed assembly comprises a reflector plate, a spacer and a feed body arranged in sequence from bottom to top.
3. The lens antenna assembly of claim 1, further comprising M DIN connectors disposed on one side of the luneberg lens assembly.
4. The lens antenna assembly of claim 3, wherein the first support bracket has a second support post disposed thereon, and wherein the DIN connector is secured to a mounting plate having a third mounting hole disposed thereon, the second support post being nested within the third mounting hole.
5. The lens antenna device as claimed in claim 1, wherein the lens antenna body modules are arranged in a transverse direction, and N lens antenna body modules are connected to each other by a third support pillar.
6. The lens antenna device according to claim 1, further comprising a housing, wherein the N lens antenna body modules are disposed within the housing.
7. The lens antenna assembly of claim 6, wherein the housing includes end caps disposed on the left and right sides, respectively, and an antenna enclosure disposed between the end caps.
8. The lens antenna assembly of claim 7, wherein the antenna housing outer wall is provided with a connection plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220974387.0U CN217387545U (en) | 2022-04-25 | 2022-04-25 | Lens antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220974387.0U CN217387545U (en) | 2022-04-25 | 2022-04-25 | Lens antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217387545U true CN217387545U (en) | 2022-09-06 |
Family
ID=83109343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220974387.0U Active CN217387545U (en) | 2022-04-25 | 2022-04-25 | Lens antenna device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217387545U (en) |
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2022
- 2022-04-25 CN CN202220974387.0U patent/CN217387545U/en active Active
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