CN211700531U - Base station antenna unit and base station antenna array constructed by same - Google Patents
Base station antenna unit and base station antenna array constructed by same Download PDFInfo
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- CN211700531U CN211700531U CN202020135739.4U CN202020135739U CN211700531U CN 211700531 U CN211700531 U CN 211700531U CN 202020135739 U CN202020135739 U CN 202020135739U CN 211700531 U CN211700531 U CN 211700531U
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Abstract
The utility model relates to a base station antenna unit and base station antenna array who founds thereof, base station antenna unit include radiation panel, feed board and reflecting plate. The feed board is provided with a supporting seat, and the top of the supporting seat is connected with at least two bayonet columns. The bayonet post is processed to the bayonet of bayonet post inside concave yield, and the top of this bayonet post is processed to the direction inclined plane of bayonet slope. The radiation plate is provided with a clamping hole configured for the bayonet column. The edge of the clamping hole is elastically connected with a clamping tongue piece. The radiation plate is fixedly connected to the supporting seat by means of the clamping tongue pieces clamped into the clamping openings, and the radiation plate can be coupled with the port of the feed network. The feed board and the supporting seat of the utility model are integrally formed, and the process and the structure are simple; the radiating plate is installed on the supporting seat through the buckle structure, the fixing structure is firm, the whole antenna unit assembling process is free of welding, the consistency is high, the assembling is simple, the production efficiency is improved, the product yield is improved, and the product cost is reduced.
Description
Technical Field
The present invention relates to a wireless communication device, and more particularly to an antenna device for a wireless communication base station device.
Background
An antenna for a wireless communication base station according to the related art, as shown in fig. 6, includes a radiation plate 291, a dielectric support plate 292, and a feeding plate 293. The dielectric support plate 292 is connected between the radiation patch 291 and the feeding board 293 by splicing, welding and other connection methods, and the structure thereof is prone to have installation errors, low production yield and other problems. In addition, the antenna in the prior art adopts a printed circuit mode to construct a feed circuit, so that the assembly of the plate is further complicated, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in avoiding prior art's weak point and proposing the base station antenna array of being convenient for installation, with low costs and structure.
The utility model provides a technical problem can realize through adopting following technical scheme:
a base station antenna unit is designed and manufactured and comprises a radiation plate, a feed plate and a reflection plate. The feed board is provided with a supporting seat, and the top of the supporting seat is connected with at least two bayonet columns. The supporting seat and the feed board are integrally formed through an injection molding process. The feed board is laid with a feed network, and the port end of the feed network is arranged on the top surface of the support seat. The bayonet post is processed to the bayonet of bayonet post inside concave yield, and the top of this bayonet post is processed to the direction inclined plane of bayonet slope. The radiation plate is provided with a clamping hole configured for the bayonet column. The edge of the clamping hole is elastically connected with a clamping tongue piece. When the radiation plate is installed, the radiation plate is pressed to the top of the supporting seat, the top end of the bayonet column is inserted into a bayonet hole of the radiation plate, the elastic deformation of the bayonet piece is guided by the guide inclined plane to displace towards the bayonet, and the bayonet piece extends into the bayonet by the elastic restoring force, so that the radiation plate is fixedly connected onto the supporting seat by the bayonet piece clamped into the bayonet, and the radiation plate can be coupled with a port of a feed network.
Specifically, the supporting seat comprises two columnar supporting sub-columns. At least one bayonet column is arranged on each supporting sub-column. The support column comprises a rectangular inner vertical surface, an arc surface-shaped outer vertical surface and two rectangular side vertical surfaces which are respectively connected between the inner vertical surface and the outer vertical surface. The inner vertical surfaces of the two support sub-columns are arranged oppositely and are parallel to each other.
More specifically, four bayonet posts are disposed around the axial direction of the support seat. The bayonet of each bayonet column faces the outside of the support base, and the bayonets of adjacent bayonet columns face perpendicular to each other.
Furthermore, the ports of the feed network arranged on the supporting seat are two groups of mutually orthogonal microstrip Caren ports.
The utility model provides a technical problem can also realize through adopting following technical scheme:
a base station antenna array is designed and manufactured, and comprises a feed board, a reflecting board and at least two radiating boards. The feed board is provided with supporting seats configured for the radiation boards respectively, all the supporting seats are arranged in an array, and each supporting seat constructs an antenna unit. The supporting seat and the feed board are integrally formed through an injection molding process. The feed board is laid with a feed network, and port ends of the feed network are respectively arranged on the top surface of the supporting seat. The top of the supporting seat is connected with at least two bayonet columns. The bayonet post is processed to the bayonet of bayonet post inside concave yield, and the top of this bayonet post is processed to the direction inclined plane of bayonet slope. The radiation plate is provided with a clamping hole configured for the bayonet column. The edge of the clamping hole is elastically connected with a clamping tongue piece. When the radiation plate is installed, the radiation plate is pressed to the top of a supporting seat configured for the radiation plate, the top end of a bayonet column is inserted into a bayonet hole of the radiation plate, the elastic deformation of a clamping tongue piece is guided by means of a guide inclined plane to displace towards the bayonet, and the clamping tongue piece passing through the bayonet extends into the bayonet by means of elastic restoring force, so that the radiation plate is fixedly connected to the supporting seat of the feed plate by means of the clamping tongue piece clamped into the bayonet, and the radiation plate can be coupled with a port of a feed network.
Specifically, the supporting seat comprises two columnar supporting sub-columns. At least one bayonet column is arranged on each supporting sub-column. The support column comprises a rectangular inner vertical surface, an arc surface-shaped outer vertical surface and two rectangular side vertical surfaces which are respectively connected between the inner vertical surface and the outer vertical surface. The inner vertical surfaces of the two support sub-columns are arranged oppositely and are parallel to each other.
More specifically, four bayonet posts are disposed around the axial direction of the support seat. The bayonet of each bayonet column faces the outside of the support base, and the bayonets of adjacent bayonet columns face perpendicular to each other.
Furthermore, the ports of the feed network arranged on each support seat are two groups of mutually orthogonal microstrip Caren ports.
In order to enhance the mechanical strength of the feed board, feed board edge convex ribs are arranged at the edge of the feed board. At least one feed board reinforcing convex rib is arranged in the feed board, and two ends of the feed board reinforcing convex rib are connected with the convex ribs on the edge of the feed board, so that the feed board is divided into at least two feed blocks. At least one supporting seat is arranged in the feeding block.
In order to enhance the mechanical strength of the reflector, the edge of the reflector is provided with a convex edge of the reflector. And a reflecting plate reinforcing convex rib with two ends connected with the edge convex rib of the reflecting plate is arranged in the reflecting plate. The reflecting plate is fixedly installed at the bottom of the feed plate, the position of the edge of the reflecting plate along the convex edge corresponds to the position of the edge convex edge of the feed plate, and the position of the reinforcing convex edge of the reflecting plate corresponds to the position of the reinforcing convex edge of the feed plate.
Compared with the prior art, the utility model discloses "base station antenna unit and base station antenna array that founds"'s technological effect lies in:
the feed board and the supporting seat are integrally formed, so that the process and the structure are simple; the radiating plate is installed on the supporting seat through the buckle structure, the fixing structure is firm, the whole antenna unit assembling process is free of welding, the consistency is high, the assembling is simple, the production efficiency is improved, the product yield is improved, and the product cost is reduced.
Drawings
Fig. 1 is an exploded perspective view of a first embodiment of the present invention;
fig. 2 is a schematic axonometric view of the support base 22, the bayonet post 23 and part of the feed network 24 of the first embodiment;
fig. 3 is a schematic top plan view of a front projection of the radiation plate 21 of the first embodiment;
FIG. 4 is a schematic front sectional view of the orthographic projection of the first embodiment;
fig. 5 is an exploded perspective view of a second embodiment of the present invention;
fig. 6 is a schematic view of an exploded state axonometric projection of a prior art antenna for a wireless communication base station.
Detailed Description
The embodiments are described in further detail below with reference to the attached drawings.
The utility model provides a base station antenna unit, as shown in fig. 1, fig. 2 and fig. 5, including radiant panel 21, feed plate 25 and reflecting plate 26. The feed board 25 is provided with a support seat 22, and the top of the support seat 22 is connected with at least two bayonet columns 23. The support seat 22 and the feed board 25 are integrally formed through an injection molding process. The feed board 25 is laid with a feed network 24 by means of a selective plastic electroplating process, and port ends AB and CD of the feed network 24 are arranged on the top surface of the support seat 22. The bayonet post 23 is formed with a bayonet 231 recessed into the bayonet post 23, and a guide slope 232 inclined toward the bayonet 231 is formed at a tip end of the bayonet post 23. As shown in fig. 3, the radiation plate 21 is formed with a bayonet hole 211 configured as a bayonet post. A tongue plate 212 is elastically connected to the edge of the locking hole 211. When the radiation plate 21 is installed, the radiation plate 21 is pressed to the top of the support seat 22, the top end of the bayonet column 23 is inserted into the bayonet hole 211 of the radiation plate 21, the guide inclined plane 232 guides the elastic deformation of the bayonet piece 212 to displace towards the bayonet 231, and the elastic restoring force is used for extending the bayonet piece 212 passing through the bayonet 231 into the bayonet 231, so that the radiation plate 21 is fixedly connected to the support seat 22 by the bayonet piece 212 clamped into the bayonet 231, and the radiation plate 21 can be coupled with the ports AB and CD of the feed network 24.
The utility model discloses feed board 25 and supporting seat 22 integrated into one piece, technology and simple structure, it is with low costs. The radiation plate 21 is installed on the supporting seat 22 through the buckle structure, the fixing structure is firm, the whole antenna unit assembling process is free of welding, the consistency is high, the assembling is simple, the production efficiency is improved, the product yield is improved, and the product cost is reduced.
In the first embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the supporting seat 22 includes two columnar supporting sub-columns 221. At least one bayonet post 23 is disposed on each support sub-post 221. As shown in fig. 2, support seat 22 has a straight line O1O2 as an axis. The two support sub-columns 221 are symmetrically arranged with the axis O1O2 of the support base 22 as a symmetry axis. The two support columns 221 have their own axes as a straight line P1P2 and a straight line P3P 4. Around the axis of the strut member 221, the strut member 221 includes a rectangular inner elevation 2211, an arcuate outer elevation 2212, and two rectangular side elevations 2213 connected between the inner elevation 2211 and the outer elevation 2212, respectively. The inner elevations 2211 of the two support sub-columns 221 are arranged oppositely and parallel to each other. The support base 22 structure of the first embodiment is arranged in cooperation with the orthogonal port AB and the port CD of the feeding network 24, so that the support function of the support base 22 on the radiation plate 21 is realized with a simple structure, and port support is provided for the feeding network 24.
In the first embodiment of the present invention, as shown in fig. 1 to 4, four bayonet posts 23 are provided around the axial O1O2 of the support seat 22. As shown in fig. 2, the bayonets 231 of bayonet columns 23 are oriented outwardly of support base 22, and the bayonets 231 of adjacent bayonet columns 23 are oriented perpendicularly to each other, then the orientations Q1Q2 and Q3Q4 of the bayonets 231 of two opposing bayonet columns 23 are parallel to each other as shown in fig. 2. The mutually perpendicular configuration of the bayonets 231 of adjacent bayonet posts 23 about the axis O1O2 of the support base 22 facilitates routing of the feed network 24, contributing to the formation of a feed signal structure capable of suppressing interference.
In order to ensure balanced signal output, in the first embodiment of the present invention, as shown in fig. 2, the ports AB and CD of the feeding network 24 disposed on the supporting seat 22 are two sets of mutually orthogonal microstrip balun ports. The feeding circuit of the feeding network 24 smoothly transits along the surface of the supporting seat 22 without sharp corners, which is beneficial to the feedback of antenna signals.
The utility model discloses extend feed board 25 and reflecting plate 26 to lay supporting seat 22 and the radiant panel 21 that connects according to array structure, and then provide a basic station antenna array, as shown in fig. 5, including feed board 25, reflecting plate 26, and two at least radiant panels 21. The feed board 25 is provided with support seats 22 respectively configured for the radiation plates 21, all the support seats 22 are arranged in an array, and each support seat 22 constitutes an antenna unit. The support base 22 and the feeding board 25 are integrally formed through an injection molding process. The feed board 25 is laid with a feed network 24, and the port ends of the feed network 24 are respectively arranged on the top surface of the support seat 22. Every antenna unit with the utility model discloses base station antenna unit has the same structure of essence: as shown in fig. 1 to 4, at least two bayonet posts 23 are connected to the top of the support base 22. The bayonet post 23 is formed with a bayonet 231 recessed into the bayonet post 23, and a guide slope 232 inclined toward the bayonet 231 is formed at a tip end of the bayonet post 23. The radiation plate 21 is formed with a bayonet hole 211 configured for the bayonet post 23. A tongue plate 212 is elastically connected to the edge of the locking hole 211. When the radiation plate 21 is mounted, the radiation plate 21 is pressed against the top of the support seat 22 configured for the radiation plate 21, the top end of the bayonet column 23 is inserted into the bayonet hole 211 of the radiation plate 21, the guide inclined surface 232 guides the elastic deformation of the bayonet piece 212 to displace towards the bayonet 231, and the elastic restoring force is used to make the bayonet piece 212 passing through the bayonet 231 extend into the bayonet 231, so that the radiation plate 21 is fixedly connected to the support seat 22 by the bayonet piece 212 clamped into the bayonet 231, and the radiation plate 21 can be coupled with the port of the feed network 24.
The structure of each antenna unit in the second embodiment is substantially the same as that in the first embodiment:
the support base 22 includes two pillar-shaped support sub-pillars 221. At least one bayonet post 23 is disposed on each support sub-post 221. Around the axis of the strut member 221, the strut member 221 includes a rectangular inner elevation 2211, an arcuate outer elevation 2212, and two rectangular side elevations 2213 connected between the inner elevation 2211 and the outer elevation 2212, respectively. The inner elevations 2211 of the two support sub-columns 221 are arranged oppositely and parallel to each other.
Four bayonet posts 23 are provided around the axial direction O1O2 of support seat 22. The bayonets 231 of bayonet columns 23 are all oriented outwardly of the support block 22 and the bayonets 231 of adjacent bayonet columns 23 are oriented perpendicular to each other.
The ports AB and CD of the feeding network 24 disposed on each support seat 22 are two sets of mutually orthogonal microstrip balun ports.
In order to enhance the mechanical strength of the feeding board 25, as shown in fig. 5, the feeding board edge rib 251 is disposed at the edge of the feeding board 25 according to the second embodiment of the present invention. At least one feeding board reinforcing rib 252 is disposed in the feeding board 25, and both ends of the reinforcing rib are connected to the feeding board edge ribs 251, so as to divide the feeding board 25 into at least two feeding blocks. At least one supporting seat 22 is disposed in the feeding block. In the second embodiment, three feeding board enhancing ribs 252 are provided in the feeding board 25, so that the feeding board 25 is divided into four feeding blocks, and three antenna units are provided in each feeding block, thereby constructing a base station antenna array having 12 base station antenna units.
In order to enhance the mechanical strength of the reflection plate 26 and match the structure of the feeding plate 25, a reflection plate edge protrusion 261 is provided at the edge of the reflection plate 26. A reflecting plate reinforcing rib 262 having both ends connected to the reflecting plate edge ribs 261 is provided in the reflecting plate 26. The reflector 26 is fixedly installed at the bottom of the feeding board 25, and the position of the reflector edge rib 261 corresponds to the position of the feeding board edge rib 251, and the position of the reflector reinforcing rib 262 corresponds to the position of the feeding board reinforcing rib 252.
Claims (10)
1. A base station antenna unit comprises a radiation plate, a feed plate and a reflection plate; the method is characterized in that:
the feed board is provided with a supporting seat, and the top of the supporting seat is connected with at least two bayonet columns; the supporting seat and the feed board are integrally formed through an injection molding process; a feed network is laid on the feed board, and a port end of the feed network is arranged on the top surface of the supporting seat;
the bayonet column is provided with a bayonet which is recessed towards the inside of the bayonet column, and the top end of the bayonet column is provided with a guide inclined plane which is inclined towards the bayonet;
the radiation plate is provided with a clamping hole configured for a bayonet column; the edge of the clamping hole is elastically connected with a clamping tongue piece;
when the radiation plate is installed, the radiation plate is pressed to the top of the supporting seat, the top end of the bayonet column is inserted into a bayonet hole of the radiation plate, the elastic deformation of the bayonet piece is guided by the guide inclined plane to displace towards the bayonet, and the bayonet piece extends into the bayonet by the elastic restoring force, so that the radiation plate is fixedly connected onto the supporting seat by the bayonet piece clamped into the bayonet, and the radiation plate can be coupled with a port of a feed network.
2. The base station antenna unit of claim 1, wherein:
the supporting seat comprises two columnar supporting sub-columns; each support sub-column is provided with at least one bayonet column;
the support column surrounds the axis of the support column, and comprises a rectangular inner vertical surface, an arc surface-shaped outer vertical surface and two rectangular side vertical surfaces which are respectively connected between the inner vertical surface and the outer vertical surface;
the inner vertical surfaces of the two support sub-columns are arranged oppositely and are parallel to each other.
3. The base station antenna unit according to claim 1 or 2, characterized in that:
four bayonet columns are arranged around the axial direction of the supporting seat;
the bayonet of each bayonet column faces the outside of the support base, and the bayonets of adjacent bayonet columns face perpendicular to each other.
4. The base station antenna unit of claim 1, wherein:
the ports of the feed network arranged on the supporting seat are two groups of mutually orthogonal microstrip Caren ports.
5. A base station antenna array comprises a feed board, a reflecting board and at least two radiating boards, and is characterized in that:
the feed board is provided with supporting seats configured for the radiation boards respectively, all the supporting seats are arranged in an array, and each supporting seat constitutes an antenna unit; the supporting seat and the feed board are integrally formed through an injection molding process;
a feed network is laid on the feed board, and port ends of the feed network are respectively arranged on the top surface of the supporting seat;
the top of the supporting seat is connected with at least two bayonet columns; the bayonet column is provided with a bayonet which is recessed towards the inside of the bayonet column, and the top end of the bayonet column is provided with a guide inclined plane which is inclined towards the bayonet;
the radiation plate is provided with a clamping hole configured for a bayonet column; the edge of the clamping hole is elastically connected with a clamping tongue piece;
when the radiation plate is installed, the radiation plate is pressed to the top of a supporting seat configured for the radiation plate, the top end of a bayonet column is inserted into a bayonet hole of the radiation plate, the elastic deformation of a clamping tongue piece is guided by means of a guide inclined plane to displace towards the bayonet, and the clamping tongue piece passing through the bayonet extends into the bayonet by means of elastic restoring force, so that the radiation plate is fixedly connected to the supporting seat of the feed plate by means of the clamping tongue piece clamped into the bayonet, and the radiation plate can be coupled with a port of a feed network.
6. The base station antenna array of claim 5, wherein:
the supporting seat comprises two columnar supporting sub-columns; each support sub-column is provided with at least one bayonet column;
the support column surrounds the axis of the support column, and comprises a rectangular inner vertical surface, an arc surface-shaped outer vertical surface and two rectangular side vertical surfaces which are respectively connected between the inner vertical surface and the outer vertical surface;
the inner vertical surfaces of the two support sub-columns are arranged oppositely and are parallel to each other.
7. The base station antenna array of claim 5 or 6, wherein:
four bayonet columns are arranged around the axial direction of the supporting seat;
the bayonet of each bayonet column faces the outside of the support base, and the bayonets of adjacent bayonet columns face perpendicular to each other.
8. The base station antenna array of claim 5, wherein:
the ports of the feed network arranged on each supporting seat are two groups of mutually orthogonal microstrip Caren ports.
9. The base station antenna array of claim 5, wherein:
the edge of the feed board is provided with a feed board edge convex rib;
the feed board is internally provided with at least one feed board reinforcing convex rib, the two ends of the feed board reinforcing convex rib are connected with the convex ribs at the edge of the feed board, so that the feed board is divided into at least two feed blocks;
at least one supporting seat is arranged in the feeding block.
10. The base station antenna array of claim 9, wherein:
the edge of the reflecting plate is provided with a convex edge of the reflecting plate;
a reflecting plate reinforcing convex rib with two ends connected with the edge convex rib of the reflecting plate is arranged in the reflecting plate;
the reflecting plate is fixedly installed at the bottom of the feed plate, the position of the edge of the reflecting plate along the convex edge corresponds to the position of the edge convex edge of the feed plate, and the position of the reinforcing convex edge of the reflecting plate corresponds to the position of the reinforcing convex edge of the feed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020135739.4U CN211700531U (en) | 2020-01-21 | 2020-01-21 | Base station antenna unit and base station antenna array constructed by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020135739.4U CN211700531U (en) | 2020-01-21 | 2020-01-21 | Base station antenna unit and base station antenna array constructed by same |
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| Publication Number | Publication Date |
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| CN211700531U true CN211700531U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020135739.4U Active CN211700531U (en) | 2020-01-21 | 2020-01-21 | Base station antenna unit and base station antenna array constructed by same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138290A1 (en) * | 2022-01-21 | 2023-07-27 | 普罗斯通信技术（苏州）有限公司 | Radiation oscillator and antenna |
-
2020
- 2020-01-21 CN CN202020135739.4U patent/CN211700531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138290A1 (en) * | 2022-01-21 | 2023-07-27 | 普罗斯通信技术（苏州）有限公司 | Radiation oscillator and antenna |
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