CN214176242U

CN214176242U - Feed integrated electrically tunable antenna

Info

Publication number: CN214176242U
Application number: CN202023282220.8U
Authority: CN
Inventors: 吴维检; 张湛明; 张浩喻
Original assignee: Kunshan Hamilton Communication Technology Co ltd
Current assignee: Kunshan Hamilton Communication Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-10
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an antenna is transferred to feed integration electricity, include: a support plate, an antenna array, a feed assembly and an RCU assembly; the antenna array is arranged on one side of the supporting plate, and the feed assembly and the RCU assembly are arranged on the other side of the supporting plate; the antenna array comprises a plurality of antenna elements, the feed assembly comprises a feed circuit corresponding to each antenna element, each feed circuit comprises a phase shifter assembly, a filter and a connector, and each antenna element is electrically connected with the corresponding feed circuit through a feed line penetrating through the supporting plate; the RCU components are respectively connected with the phase shifter components in each feed circuit and used for controlling the phase shift value of each phase shifter component. The embodiment of the utility model discloses antenna is transferred to feed integration electricity, has improved the deployment efficiency of antenna.

Description

Feed integrated electrically tunable antenna

Technical Field

The embodiment of the utility model provides an antenna technology especially relates to an antenna is transferred to feed integration electricity.

Background

With the rapid development of mobile communication technology, the number of base stations for mobile communication is increasing day by day. Particularly, with the development of the fifth Generation mobile communication (5th Generation, 5G) technology, there is a great demand for base station deployment. Therefore, the cost, weight and large power consumption due to high power of the mobile communication base station have become the first problems to be solved in the construction of the base station.

In a conventional base station antenna, an antenna radiation Unit and other devices are separately deployed, and the antenna radiation Unit is connected with other devices such as a filter, a phase shifter, and a Remote Control Unit (RCU) through a feeder line. This increases the cost and size of the base station antenna on the one hand and also does not facilitate the deployment of the base station antenna on the other hand.

SUMMERY OF THE UTILITY MODEL

The utility model provides an antenna is transferred to feed integration electricity has improved the deployment efficiency of antenna.

In a first aspect, an embodiment of the utility model provides an antenna is transferred to feed integration electricity, include: a support plate, an antenna array, a feed assembly and an RCU assembly;

the antenna array is arranged on one side of the supporting plate, and the feed assembly and the RCU assembly are arranged on the other side of the supporting plate;

the antenna array comprises a plurality of antenna elements, the feed assembly comprises a feed circuit corresponding to each antenna element, each feed circuit comprises a phase shifter assembly, a filter and a connector, and each antenna element is electrically connected with the corresponding feed circuit through a feed line penetrating through the supporting plate;

the RCU components are respectively connected with the phase shifter components in each feed circuit and used for controlling the phase shift value of each phase shifter component.

In a possible implementation manner of the first aspect, the antenna array is disposed on a feeding board, and the feeding board is fixed to one side of the supporting board.

In a possible implementation manner of the first aspect, a plurality of isolation pillars are disposed on the feeding board between the antenna elements of the antenna array.

In a possible implementation manner of the first aspect, the supporting plate is provided with a plurality of protective supporting columns on one side of the fixed feeding plate, and the height of each protective supporting column is greater than that of each isolation column.

In a possible implementation manner of the first aspect, a plurality of matched fixed connecting pieces are arranged on the supporting plate and the feeding plate.

In a possible implementation manner of the first aspect, the RCU assembly is connected to each phase shifter assembly through a transmission assembly, and the RCU assembly controls a phase shift value of each phase shifter assembly through the transmission assembly.

In a possible implementation manner of the first aspect, the feeding component, the RCU component and the transmission component are disposed on an adaptive plate, and the adaptive plate is fixed to the other side of the support plate, which is opposite to the feeding plate.

In a possible implementation manner of the first aspect, the adaptation board further includes a shielding cavity covering the feeding assembly, the transmission assembly and the RCU assembly.

In a possible implementation of the first aspect, a plurality of matching fastening connectors are provided on the support plate and on the adapter plate.

In a possible implementation manner of the first aspect, each antenna element is electrically connected with the corresponding feeding circuit through a Pin penetrating through the support plate.

The embodiment of the utility model provides an antenna is transferred to feed integration electricity, owing to will move looks ware and wave filter integration in the antenna, the integrated design of antenna has been realized, the integrated level of antenna has been improved, and still set up RCU subassembly integration in the antenna, the integrated level of antenna has further been improved, thereby be favorable to reducing the cost of antenna, improve the deployment efficiency of antenna, and improve the performance of antenna, when antenna is transferred as 5G basic station antenna to feed integration electricity, will reduce 5G basic station's whole weight and volume by a wide margin, reduce the running power consumption of 5G basic station, the 5G basic station of being convenient for is netted the construction.

Drawings

Fig. 1 and fig. 2 are schematic structural diagrams of a feed integrated electrically tunable antenna provided in an embodiment of the present invention;

fig. 3 and fig. 4 are schematic structural diagrams of another feeding integrated electrically tunable antenna provided in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of another feeding integrated electrically tunable antenna provided in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Fig. 1 and fig. 2 are the embodiment of the utility model provides a structural schematic diagram of a feed integration electric tilt antenna, wherein fig. 1 is one side of feed integration electric tilt antenna, and fig. 2 is the opposite side of feed integration electric tilt antenna. As shown in fig. 1 and fig. 2, the feeding integrated electrically tunable antenna provided in this embodiment includes: a support plate 11, an antenna array 12, a feed assembly 13 and an RCU assembly 14.

The antenna array 12 is disposed on one side of the support plate 11, and the feeding assembly 13 and the RCU assembly 14 are disposed on the other side of the support plate 11. The antenna array 12 comprises a plurality of antenna elements 15, the feeding assembly 13 comprises a feeding circuit corresponding to each antenna element 15, each feeding circuit comprises a phase shifter assembly 16, a filter 17 and a connector 18, and each antenna element 15 is electrically connected with the corresponding feeding circuit by a feeding line passing through the support plate 11. The RCU assemblies 14 are respectively connected to the phase shifter assemblies 16 in each of the feed circuits for controlling the phase shift values of the respective phase shifter assemblies 16.

In a conventional antenna, an antenna radiation unit for realizing a radiation function and radio frequency components such as a filter and a phase shifter for processing radio frequency signals received or transmitted by the antenna radiation unit are separately arranged, and the antenna is a radiation unit in a certain sense. However, with the continuous evolution of mobile communication systems, the size of the antenna element is larger and larger, and the power is higher and higher. If the radiating element of the antenna is still separated from other radio frequency components, the weight of the antenna is increased, long-distance signal transmission between the radiating element and other radio frequency components causes unnecessary signal attenuation, and the separate deployment also affects the deployment efficiency of the antenna. Especially in the scene of large-scale deployment of the 5G communication network, the construction efficiency of the 5G network is seriously influenced.

In the embodiment of the application, the radiation unit of the antenna and other radio frequency components are integrated into a whole to form an integrated antenna, and the RCU components electrically tuning the antenna are also integrated and arranged together, so that the integration level of the antenna is improved.

First, the antenna provided in this embodiment includes a supporting plate 11, where the supporting plate 11 is used to support other components of the antenna, and the other components of the antenna are all disposed on the supporting plate 11. The support plate 11 may be made of any material, but in order to support various components, the support plate 11 is made of a rigid plate material. On both sides of the support plate 11, an antenna array 12 and a feeding assembly 13 are disposed, respectively. The antenna array 12 includes a plurality of antenna elements 15, and the antenna elements 15 may be any type of antenna elements as radiating elements of the antenna. The plurality of antenna elements 15 of the antenna array 12 are generally the same plurality of antenna elements, but the plurality of antenna elements 15 of the antenna array 12 may be different plurality of antenna elements in order to achieve a desired radiation performance of the antenna array. The feeding component 13 includes a feeding circuit corresponding to each antenna element 15, that is, components for feeding the antenna radiation element are disposed on the support plate 11 as close as possible to the antenna radiation element. On one hand, the radiation unit of the antenna and various radio frequency components required by feeding are arranged on two sides of the same supporting plate, so that the antenna realizes high integration and is convenient for rapid deployment; on the other hand, the radiation unit is close to the radio frequency component, so that the attenuation of the antenna on the feeder line is reduced, and the efficiency of the antenna can be improved.

It should be noted that each antenna element in the antenna array 12 may operate in any frequency band, for example, an operating frequency band of 5G mobile communication.

The feeding member 13 includes a plurality of phase shifter members 16, a plurality of filters 17, and a plurality of connectors 18, and the plurality of phase shifter members 16, the plurality of filters 17, and the plurality of connectors 18 constitute a plurality of feeding circuits, each of which includes one phase shifter member 16, one filter 17, and one connector 18. Each antenna element 15 is connected to a respective feed circuit, wherein each antenna element 15 can be connected to the respective feed circuit by a feed line passing through the support plate 11. Each antenna element 15 may be connected to the phase shifter element 16, the filter 17, and the connector 18 of the corresponding feed circuit in this order by a feeder line, or each antenna element 15 may be connected to the phase shifter element 16, the connector 18 of the corresponding feed circuit in this order by a feeder line.

The feed line connecting the antenna element 15 and the corresponding feed circuit may be a Pin, which passes through the support plate 11 and is insulated from the support plate 11.

The RCU assemblies 14 are respectively connected to the phase shifter assemblies 16 in each of the feed circuits for controlling the phase shift values of the respective phase shifter assemblies 16. Set up RCU subassembly 14 in the integration antenna, can realize the electricity accent to the antenna, the feed integration electricity that this implementation provided is just so can realize all processings of radiation, feed, electricity accent at the antenna end, has realized the high integration of antenna. Since the RCU assembly 14 is integrated with the radiating element of the antenna, which is typically deployed in an outdoor environment, the RCU assembly 14 may be a temperature-resistant RCU assembly in order to enable the RCU assembly 14 to work properly.

Alternatively, the RCU assemblies 14 may be connected to each of the phase shifter assemblies 16 by an actuator assembly (not shown in fig. 1), respectively, through which the RCU assemblies 14 control the amount of phase shift of the respective phase shifter assemblies 14. It should be noted that, when the phase shifter element 14 is an electrically controlled phase shifter, the transmission element may be a driving device for driving the electrically controlled phase shifter, and when the phase shifter element 14 is a mechanical phase shifter, the transmission element may be a driving device for physically driving the mechanical phase shifter.

The feed integration electricity accent antenna that this embodiment provided, owing to will move looks ware and wave filter integration in the antenna, the integrated design of antenna has been realized, the integrated level of antenna has been improved, and still set up RCU subassembly integration in the antenna, the integrated level of antenna has further been improved, thereby be favorable to reducing the cost of antenna, improve the deployment efficiency of antenna, and improve the performance of antenna, when feed integration electricity accent antenna is as 5G basic station antenna, will reduce 5G basic station's whole weight and volume by a wide margin, reduce 5G basic station's operation consumption, the 5G basic station of being convenient for is laid the net and is constructed.

In order to facilitate the assembly of the feeding integrated electrically tunable antenna, the antenna array and the feeding assembly may be respectively disposed on different single boards, and then each single board and the supporting plate are combined together, which will be described in detail with specific embodiments below.

Fig. 3 and fig. 4 are schematic structural diagrams of another feeding integrated electrically tunable antenna provided in the embodiment of the present invention, in which fig. 3 is a schematic structural diagram of a front side, and fig. 4 is a schematic structural diagram of a back side.

As shown in fig. 3, the antenna array is disposed on the feeding board 31, and the feeding board 31 is fixed to one side of the supporting board 32. The side of the support plate 32 to which the power feeding plate 31 is fixed is the front surface of the support plate 32. That is, the antenna array is not directly disposed on the support plate, but disposed on the feeding plate 31, and then the feeding plate 31 is fixed on the front surface of the support plate 32, so that the antenna array is disposed on one side of the support plate 32. The feeding Board 31 may be a Printed Circuit Board (PCB) feeding Board.

Optionally, a plurality of isolation pillars 34 may be further disposed on the feeding board 31 between the antenna elements 33 of the antenna array. The isolation column 34 is made of a metal material and is used for isolating the antenna elements 33 from each other.

Optionally, the supporting plate 32 is provided with a plurality of protective supporting columns 35 at one side of the fixed feeding plate 31, and the height of the protective supporting columns 35 is greater than that of the isolation columns 34. Because the feed integrated electrically tunable antenna is generally provided with an antenna housing, in order to avoid the influence of the antenna housing on the antenna array, a plurality of protective supporting columns 35 can be arranged on the supporting plate to protect each device on the antenna array. The feeding board 31 may be provided with a corresponding hole at a position where the supporting protection pillar 35 is provided.

Optionally, a plurality of matching fixed connectors are provided on the support plate 32 and on the feeding plate 31. That is, the support plate 32 and the feeding plate 31 may be connected by a matching fixed connection.

As shown in fig. 4, the RCU assembly 41 is connected to each phase shifter assembly 43 through a transmission assembly 42, and the RCU assembly 41 controls the phase shift value of each phase shifter assembly 43 through a transmission assembly 44. The feeding assembly (including the phase shifter assembly 43, the filter 45 and the connector 46), the RCU assembly 41 and the transmission assembly 42 are disposed on the adaptation plate 47, and the adaptation plate 47 is fixed to the other side of the support plate 48 opposite to the feeding plate, that is, the adaptation plate 47 is disposed on the back side of the support plate 48. The adaptive board 47 may also be a PCB board.

Optionally, a plurality of mating fastening connectors are provided on the support plate 48 and on the adapter plate. That is, the support plate 48 and the adaptation plate 47 may be connected by a matching fixed connection.

Further, as shown in fig. 4, a shielding cavity 49 covering the feeding assembly (including the phase shifter assembly 43, the filter 45, and the connector 46), the transmission assembly 44, and the RCU assembly 41 is further included on the adaptation board 47. The shielding cavity 49 may be multiple pieces, and respectively covers each of the feeding assembly, the transmission assembly 44 and the RCU assembly 41. The shielded cavity 49 is used to avoid electromagnetic interference received by the respective feeder assembly transmission assembly 44 and RCU assembly 41.

Further, as shown in fig. 4, each antenna element is electrically connected to the corresponding feed circuit by a Pin 50 passing through the support plate 48.

In addition, as shown in fig. 4, a hole that is dug out is included in a position corresponding to each antenna element on the support plate 48.

Fig. 5 is a schematic structural diagram of another feeding integrated electrically tunable antenna provided in the embodiment of the present invention. Fig. 5 is an exploded view of a back structure of the feeding-integrated electrically tunable antenna, and fig. 5 is a schematic view of a back assembly of the feeding-integrated electrically tunable antenna shown in fig. 4.

In addition, the support plate 48, the feed plate and the adaptation plate may be provided with mutually matching fixed connections. In one embodiment, the support plate 48 may have a plurality of first rivet holes, a plurality of rivet nuts, and a plurality of square clip avoiding holes formed therein. Form a plurality of second rivet hole and rivet on the feeder panel and dodge the hole, form a plurality of second rivet hole and first screw hole on the adaptation board, the second rivet hole that forms on feeder panel and the adaptation board aligns with the first rivet hole that forms on backup pad 48, the rivet that the feeder panel formed dodges the hole and aligns with the last pressure rivet nut that forms of backup pad 48, the first screw hole that forms on the adaptation board aligns with the last pressure rivet nut that forms of backup pad 48.

A plurality of second screw holes may be formed in the shield cavity 49 and the RCU assembly, with the second screw holes formed in the shield cavity 49 and the temperature resistant RCU assembly being aligned with the clinch nuts formed on the support plate 48. I.e., the shielded cavity 49 and RCU assembly, are attached to the support plate 48 by mating fastening structures.

Furthermore, a plurality of square clamping grooves, waist-shaped avoiding holes and limiting holes are formed in the adapting plate.

Furthermore, a plurality of ear clips, a plurality of limiting columns and synchronous clip columns are formed on the phase shifter assembly, the ear clips formed on the phase shifter assembly are aligned with the square clamping grooves formed on the corresponding plates and the square clamping piece avoiding holes formed on the supporting plates, the limiting columns formed on the phase shifter assembly are aligned with the limiting holes formed on the corresponding plates, and the synchronous clip columns formed on the phase shifter assembly are aligned with the waist-shaped avoiding holes and are on the same straight line.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a feed integration electricity accent antenna which characterized in that includes: the antenna comprises a supporting plate, an antenna array, a feed assembly and a Remote Control Unit (RCU) assembly;

2. The feed integrated electrically tunable antenna of claim 1, wherein the antenna array is disposed on a feed board, and the feed board is fixed to one side of the supporting plate.

3. The feed integrated electrically tunable antenna according to claim 2, wherein a plurality of isolation columns are disposed on the feed board between the antenna elements of the antenna array.

4. The feed integrated electrically tunable antenna according to claim 3, wherein the supporting plate is provided with a plurality of protective supporting columns on one side where the feed plate is fixed, and the height of the protective supporting columns is greater than that of the isolation columns.

5. The feed-integrated electrically tunable antenna according to claim 2, wherein a plurality of matched fixed connecting pieces are provided on the supporting plate and the feed plate.

6. The feed-integrated electrically tunable antenna according to claim 1, wherein the RCU assembly is connected to each phase shifter assembly through a transmission assembly, and the RCU assembly controls a phase shift value of each phase shifter assembly through the transmission assembly.

7. The feed-integrated electrically tunable antenna according to claim 6, wherein the feed assembly, the RCU assembly and the transmission assembly are disposed on an adaptive plate, and the adaptive plate is fixed to the other side of the support plate opposite to the feed plate.

8. The electrically tunable antenna of claim 7, further comprising a shielding cavity on the adapter plate covering the feed assembly, the transmission assembly and the RCU assembly.

9. The power-feeding integrated electrically tunable antenna according to claim 7, wherein a plurality of matched fixing connectors are provided on the supporting plate and the adapting plate.

10. The feeding integrated electrically tunable antenna according to any one of claims 1 to 7, wherein each antenna element is electrically connected to the corresponding feeding circuit through a Pin penetrating through the supporting plate.