阅读说明：本技术 融合天线 (Fusion antenna ) 是由 许拓 柳聪 但从锐 丁晋凯 程伟 于 2021-08-30 设计创作，主要内容包括：本发明提供一种融合天线,包括：第一PCB板、第一金属反射板和第二金属反射板,第一PCB板设于第一金属反射板,第一金属反射板和第二金属反射板沿长度方向依次布设；第三天线阵列包括第一分支和第二分支,第一PCB板设有第一天线阵列和第一分支,第二金属反射板设有第二天线阵列和第二分支；第一分支嵌入第一天线阵列,第二分支嵌入第二天线阵列,通过第一集束连接器和第二集束连接器实现第一分支的馈电,第一天线阵列工作于5G网络制式,第二天线阵列和第三天线阵列分别工作于2G网络制式、3G网络制式和4G网络制式中的一种,有利于融合天线的一体化小型化设计,且能实现5G信号的广域覆盖。(The invention provides a fusion antenna, comprising: the PCB comprises a first PCB, a first metal reflecting plate and a second metal reflecting plate, wherein the first PCB is arranged on the first metal reflecting plate, and the first metal reflecting plate and the second metal reflecting plate are sequentially arranged along the length direction; the third antenna array comprises a first branch and a second branch, the first PCB is provided with a first antenna array and a first branch, and the second metal reflecting plate is provided with a second antenna array and a second branch; the first branch is embedded into the first antenna array, the second branch is embedded into the second antenna array, feeding of the first branch is achieved through the first bundling connector and the second bundling connector, the first antenna array works in a 5G network mode, the second antenna array and the third antenna array respectively work in one of a 2G network mode, a 3G network mode and a 4G network mode, integration miniaturization design of the integrated antenna is facilitated, and wide area coverage of 5G signals can be achieved.)

1. A hybrid antenna, comprising: the PCB comprises a first PCB, a first metal reflecting plate and a second metal reflecting plate, wherein the first PCB is arranged on the first side of the first metal reflecting plate, and the first metal reflecting plate and the second metal reflecting plate are sequentially arranged along the length direction;

the third antenna array comprises a first branch and a second branch, the first PCB is provided with a first antenna array and the first branch, and the first side of the second metal reflecting plate is provided with a second antenna array and the second branch;

the first branch is embedded into the first antenna array, a first bundling connector is arranged on the second side of the first metal reflecting plate, and the first bundling connector is connected with the first branch;

the second branch is embedded into the second antenna array, a second bundling connector is arranged on the second side of the second metal reflecting plate and connected with the first bundling connector, and the second bundling connector and the first bundling connector are used for feeding power to the first branch;

the first antenna array works in a 5G network mode, and the second antenna array and the third antenna array respectively work in one of a 2G network mode, a 3G network mode and a 4G network mode.

2. The blended antenna of claim 1, wherein the first antenna array has an operating frequency band of 5G; the working frequency band of the second antenna array is 1710-2690 MHz; the working frequency band of the third antenna array is 690-960 MHz.

3. The blended antenna of claim 1, wherein the first antenna array comprises a first radiating element, the blended antenna further comprises a dielectric filter and a second PCB, the second PCB is disposed on the second side of the first metal reflector, the dielectric filter is disposed on the second PCB, an input end of the dielectric filter is connected to a radio frequency connector, an output end of the dielectric filter is connected to the first radiating element through a first power divider, and the first power divider is disposed on the first PCB.

4. The blended antenna of claim 1, wherein the third antenna array comprises a third radiating element, the blended antenna further comprises a first supporting member disposed on the first PCB, and the third radiating element of the first branch is connected to the first supporting member.

5. The fused antenna according to claim 4, further comprising a third PCB, wherein the third PCB is disposed on the first side of the first metal reflector, the third PCB is provided with a second power divider, and the first bundling connector is connected to the third radiating element of the first branch through the second power divider.

6. The fused antenna according to claim 4, further comprising a fourth PCB, wherein the fourth PCB is disposed on the first side of the second metal reflector, and the fourth PCB is provided with a third power divider, and the third power divider is connected to the third radiation unit of the second branch.

7. The fused antenna of claim 4, further comprising a second support member disposed on the first side of the second metal reflector plate, wherein the third radiating element of the second branch is connected to the second support member.

8. The blended antenna of claim 1, wherein the second antenna array comprises a second radiating element, the blended antenna further comprises a fifth PCB, the fifth PCB is disposed on the second side of the second metal reflector, the fifth PCB is provided with a fourth power divider, and the fourth power divider is connected to the second radiating element.

9. The blended antenna according to any of claims 1 to 8, further comprising a first phase shifter and a second phase shifter, the first phase shifter and the second phase shifter being disposed on a second side of the second metal reflector plate;

the first phase shifter is used for realizing phase adjustment and amplitude adjustment of the third antenna array;

the second phase shifter is used for realizing phase adjustment and amplitude adjustment of the second antenna array.

10. The blended antenna of any of claims 1-8, wherein the first antenna array has a row spacing of d and a column spacing of d0, wherein d is greater than λ₁0.5 times of d0 is less than lambda₁0.7 times of said λ₁The wavelength is corresponding to the central frequency point of the working frequency band of the first antenna array;

the row spacing of the second antenna array is d1, the column spacing of the second antenna array is d2, wherein d1 is larger than lambda₂0.7 times of d2 is less than lambda₂0.8 times of said λ₂The wavelength is corresponding to the central frequency point of the working frequency band of the second antenna array;

the third antenna array has a row spacing of d3 and a column spacing of d4, wherein d3 is greater than λ₃0.5 times of d4 is less than lambda₃0.7 times of said λ₃The wavelength is the wavelength corresponding to the central frequency point of the working frequency band of the third antenna array.

Technical Field

The invention relates to the technical field of communication, in particular to a fusion antenna.

Background

With the increase of mobile communication network systems, in order to save station and antenna feed resources, reduce the coordination difficulty of property and investment cost, the co-station co-location multi-frequency fusion antenna becomes the first choice for network construction.

The existing fusion antenna is mainly designed by integrating a 2G/3G/4G antenna, or is designed by fusing an antenna array working in a 5G frequency band in a TDD mode, is not a fusion antenna of a 5G large-scale array active antenna and the 2G/3G/4G antenna in the true sense, and cannot realize wide-area coverage of 5G signals, so that the radiation performance of the antenna is poor.

Disclosure of Invention

The invention provides a fusion antenna, which is used for solving the defects of poor coverage effect and poor radiation performance of the conventional multi-frequency fusion antenna.

The invention provides a fusion antenna, comprising: the PCB comprises a first PCB, a first metal reflecting plate and a second metal reflecting plate, wherein the first PCB is arranged on the first side of the first metal reflecting plate, and the first metal reflecting plate and the second metal reflecting plate are sequentially arranged along the length direction;

the third antenna array comprises a first branch and a second branch, the first PCB is provided with a first antenna array and the first branch, and the first side of the second metal reflecting plate is provided with a second antenna array and the second branch;

the first branch is embedded into the first antenna array, a first bundling connector is arranged on the second side of the first metal reflecting plate, and the first bundling connector is connected with the first branch;

the second branch is embedded into the second antenna array, a second bundling connector is arranged on the second side of the second metal reflecting plate and connected with the first bundling connector, and the second bundling connector and the first bundling connector are used for feeding power to the first branch;

the first antenna array works in a 5G network mode, and the second antenna array and the third antenna array respectively work in one of a 2G network mode, a 3G network mode and a 4G network mode.

According to the fusion antenna provided by the invention, the working frequency band of the first antenna array is a 5G frequency band; the working frequency band of the second antenna array is 1710-2690 MHz; the working frequency band of the third antenna array is 690-960 MHz.

According to the fusion antenna provided by the invention, the first antenna array comprises a first radiation unit, the fusion antenna further comprises a dielectric filter and a second PCB, the second PCB is arranged at the second side of the first metal reflection plate, the dielectric filter is arranged on the second PCB, the input end of the dielectric filter is used for being connected with a radio frequency connector, the output end of the dielectric filter is connected with the first radiation unit through a first power divider, and the first power divider is arranged on the first PCB.

According to the blended antenna provided by the invention, the third antenna array comprises a third radiation unit, the blended antenna further comprises a first supporting piece, the first supporting piece is arranged on the first PCB, and the third radiation unit of the first branch is connected with the first supporting piece in a sliding manner.

According to the fusion antenna provided by the invention, the fusion antenna further comprises a third PCB, the third PCB is disposed on the first side of the first metal reflector, the third PCB is provided with a second power divider, and the first bundling connector is connected with the third radiation unit of the first branch through the second power divider.

According to the fusion antenna provided by the invention, the fusion antenna further comprises a fourth PCB, the fourth PCB is arranged on the first side of the second metal reflector, the fourth PCB is provided with a third power divider, and the third power divider is connected with the third radiation unit of the second branch.

According to the fusion antenna provided by the invention, the fusion antenna further comprises a second supporting piece, the second supporting piece is arranged on the first side of the second metal reflecting plate, and the third radiating element of the second branch is connected with the second supporting piece in a sliding manner.

According to the fusion antenna provided by the invention, the second antenna array comprises a second radiation unit, the fusion antenna further comprises a fifth PCB, the fifth PCB is arranged on the second side of the second metal reflection plate, the fifth PCB is provided with a fourth power divider, and the fourth power divider is connected with the second radiation unit.

According to the fusion antenna provided by the invention, the fusion antenna further comprises a first phase shifter and a second phase shifter, wherein the first phase shifter and the second phase shifter are arranged on the second side of the second metal reflecting plate;

the first phase shifter is used for realizing phase adjustment and amplitude adjustment of the third antenna array;

the second phase shifter is used for realizing phase adjustment and amplitude adjustment of the second antenna array.

According to the blended antenna provided by the invention, the row spacing of the first antenna array is d, and the column spacing of the first antenna array is d0, wherein d is greater than lambda₁0.5 times of d0 is less than lambda₁0.7 times of said λ₁The wavelength is corresponding to the central frequency point of the working frequency band of the first antenna array;

the row spacing of the second antenna array is d1, the column spacing of the second antenna array is d2, wherein d1 is larger than lambda₂0.7 times of d2 is less than lambda₂0.8 times of said λ₂The wavelength is corresponding to the central frequency point of the working frequency band of the second antenna array;

the third antenna array has a row spacing of d3 and a column spacing of d4, wherein d3 is greater than λ₃0.5 times of d4 is less than lambda₃0.7 times of said λ₃The wavelength is the wavelength corresponding to the central frequency point of the working frequency band of the third antenna array.

According to the fusion antenna provided by the invention, the first metal reflecting plate and the second metal reflecting plate are sequentially arranged along the length direction, the first antenna array is arranged on the first metal reflecting plate, the second antenna array is arranged on the second metal reflecting plate, the third antenna array comprises the first branch and the second branch, the first branch is embedded into the first antenna array, the second branch is embedded into the second antenna array, the first bundling connector is fixed on the first metal reflecting plate, the second bundling connector is fixed on the second metal reflecting plate, the second bundling connector is electrically connected with the first bundling connector, the feeding of the first branch is realized through the first bundling connector and the second bundling connector, the three-dimensional space of the antenna is fully utilized, the integrated miniaturization design of the fusion antenna is facilitated, and the wide-area coverage of 5G signals can be realized.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an exploded view of a blended antenna provided by the present invention;

FIG. 2 is an assembly view of a first side of a first metal reflector provided in accordance with the present invention;

FIG. 3 is an assembly view of a second side of a first metal reflector provided in accordance with the present invention;

fig. 4 is an assembly schematic diagram of the first sheet metal support and the third PCB provided in the present invention;

FIG. 5 is an assembly view of a first side of a second metal reflector provided in accordance with the present invention;

FIG. 6 is an assembly view of a second side of a second metal reflector provided in accordance with the present invention;

fig. 7 is an assembly view of a fifth sheet metal support and a first bundling connector according to the present invention;

fig. 8 is an assembly view of a sixth sheet metal support and a second bundling connector according to the present invention;

reference numerals:

1: a first antenna array; 2: a second antenna array;

3: a first branch; 4: a second branch;

5: a first antenna cover; 6: a first housing;

7: a second housing; 2101: a first PCB board;

2102: a first radiation unit; 2103: a dielectric substrate;

2104: a first support member; 2201: a first radiating element feed point;

2202: a second PCB board; 2203: a dielectric filter;

2204: a radio frequency connector; 2205: a first metal reflection plate;

2206: plastic rivets; 301: a third PCB board;

302: a first sheet metal support; 4101: a second radiation unit;

4102: a third radiation unit; 4103: a fourth PCB board;

4104: a radio frequency connector; 4105: an upper end cover;

4106: a plastic support column; 4107: a second support member;

4108: a spacer bar; 4109: a lower end cover;

4110: an antenna scale; 4111: a second metal reflective plate;

4201: a second radiating element feed point; 4202: a third radiating element feed point;

4203: a fifth PCB board; 4204: a first phase shifter;

4205: a second phase shifter; 4206: a motor control module;

4207: a second sheet metal support; 4208: a third sheet metal support;

4209: plastic buckles; 4210: a fourth sheet metal support;

4211: a transmission module; 51: a first cluster connector;

52: a fifth sheet metal support; 53: a second cluster connector;

54: sixth panel beating support piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A hybrid antenna according to an embodiment of the present invention is described below with reference to fig. 1 to 8.

As shown in fig. 1, the fusion antenna provided in the embodiment of the present invention includes: the PCB comprises a first PCB 2101, a first metal reflector 2205 and a second metal reflector 4111, wherein the first PCB 2101 is arranged on the first side of the first metal reflector 2205, and the first metal reflector 2205 and the second metal reflector 4111 are sequentially arranged along the length direction;

the third antenna array comprises a first branch 3 and a second branch 4, the first PCB 2101 is provided with a first antenna array 1 and the first branch 3, and the first side of the second metal reflector 4111 is provided with a second antenna array 2 and the second branch 4;

the first branch 3 is embedded in the first antenna array 1, the second side of the first metal reflector 2205 is provided with a first bundling connector 51, and the first bundling connector 51 is connected with the first branch 3;

the second branch 4 is embedded in the second antenna array 2, a second bundling connector 53 is arranged on the second side of the second metal reflector 4111, the second bundling connector 53 is connected with the first bundling connector 51, and the second bundling connector 53 and the first bundling connector 51 are used for feeding power to the first branch 3;

the first antenna array 1 works in a 5G network mode, and the second antenna array 2 and the third antenna array respectively work in one of a 2G network mode, a 3G network mode and a 4G network mode.

Specifically, a first metal reflection plate 2205 and a second metal reflection plate 4111 are sequentially arranged along the length direction, and the first PCB 2101 may be fixed to a first side of the first metal reflection plate 2205 by a plastic rivet 2206.

The third antenna array includes a first branch 3 and a second branch 4, the first branch 3 is distributed on the first PCB 2101, the second branch 4 is distributed on the first side of the second metal reflector 4111, and the first branch 3 and the second branch 4 are sequentially arranged along the length direction.

The first antenna array 1 is arranged on the first PCB 2101, and the first branch 3 of the third antenna array is embedded in the slot of the first antenna array 1; the second antenna array 2 is disposed on the first side of the second metal reflector 4111, and the second branch 4 of the third antenna array is embedded in the slot of the second antenna array 2.

As shown in fig. 7, the fifth sheet metal supporting member 52 is connected to the first bundling connector 51, the fifth sheet metal supporting member 52 may be fixed to the second side of the first metal reflection plate 2205 by a fastener, the first bundling connector 51 includes a plurality of cables, and the first bundling connector 51 is electrically connected to the first branch 3 by the plurality of cables.

As shown in fig. 8, the sixth sheet metal support 54 is connected to the second bundled connector 53, the sixth sheet metal support 54 may be fixed to the second side of the second metal reflector 4111 by a fastener, the second bundled connector 53 includes a plurality of cables, and the second bundled connector 53 is electrically connected to the feeding network by the plurality of cables. The second bundle connector 53 is electrically connected to the first bundle connector 51 by a cable.

The number of the first bundling connectors 51 and the number of the second bundling connectors 53 are set according to actual requirements, the feed network is arranged on the second metal reflector 4111, one end of the second bundling connector 53 is electrically connected with the feed network, the other end of the second bundling connector 53 is electrically connected with the first bundling connector 51 through a cable, and the feed network realizes the feed of the first branch 3 through the first bundling connector 51 and the second bundling connector 53; the feeding network is electrically connected to the second branch 4 for feeding the second branch 4 and thus the third antenna array.

The first antenna array 1 works in a 5G network mode, the second antenna array 2 works in any one of a 2G network mode, a 3G network mode and a 4G network mode, and the third antenna array also works in any one of the 2G network mode, the 3G network mode and the 4G network mode. When the network formats of the second antenna array 2 and the third antenna array are the same, the converged antenna can work in any one of a 5G network format and a 2G network format, a 3G network format and a 4G network format; when the network formats of the second antenna array 2 and the third antenna array are different, the converged antenna can simultaneously work in any two of a 5G network format and a 2G network format, a 3G network format and a 4G network format. Therefore, the integrated design of the 5G active antenna and the 2G, 3G and 4G passive antennas is realized, and the miniaturization of the antenna is realized.

Further, the integrated antenna further comprises a first antenna cover 5 and a second antenna cover, the second antenna cover comprises a first cover shell 6 and a second cover shell 7, the first antenna cover 5 covers the first antenna array 1 and the first branch 3, and the first cover shell 6 covers the second antenna array 2 and the second branch 4.

First antenna housing 5 adopts PP material or PC material preparation, and the second antenna housing includes first housing 6 and second housing 7, and first housing 6 adopts the glass steel material preparation, and second housing 7 adopts glass steel material or aluminium material preparation, and first housing 6 and second housing 7 pass through the screw connection, are equipped with on the second housing 7 and dodge the hole, dodge the hole and be used for holding second connector 53 tied in a bundle.

In the embodiment of the present invention, the first metal reflection plate 2205 and the second metal reflection plate 4111 are sequentially arranged along the length direction, the first antenna array 1 is disposed on the first metal reflection plate 2205, the second antenna array 2 is disposed on the second metal reflection plate 4111, the first branch 3 is embedded in the first antenna array 1, the second branch 4 is embedded in the second antenna array 2, the first bundling connector 51 is fixed to the first metal reflection plate 2205, the second bundling connector 53 is fixed to the second metal reflection plate 4111, the second bundling connector 53 is electrically connected to the first bundling connector 51, the first branch 3 is fed through the first bundling connector 51 and the second bundling connector 53, the three-dimensional space of the antenna is fully utilized, the integrated miniaturization design of the integrated antenna is facilitated, and the wide area coverage of 5G signals can be realized.

In an optional embodiment, the working frequency band of the first antenna array 1 is a 5G frequency band, and the 5G frequency band is 2515-2685 MHz, 3400-3600 MHz or 4800-4960 MHz; the working frequency band of the second antenna array 2 is 1710-2690 MHz; the working frequency band of the third antenna array is 690-960 MHz.

As shown in fig. 2 and fig. 3, in an alternative embodiment, the first antenna array 1 includes a first radiation unit 2102, the hybrid antenna further includes a dielectric filter 2203 and a second PCB 2202, the second PCB 2202 is disposed on a second side of the first metal reflection plate 2205, the dielectric filter 2203 is disposed on the second PCB 2202, an input end of the dielectric filter 2203 is used for being connected to the radio frequency connector 2204, an output end of the dielectric filter 2203 is connected to the first radiation unit 2102 through a first power divider, and the first power divider is disposed on the first PCB 2101.

The number of rows and columns of the first antenna array 1 is set according to actual requirements, the first antenna array 1 comprises a plurality of first radiation units 2102, a plurality of first power dividers are arranged on the first PCB 2101, each first power divider is a one-to-K microstrip power divider, each one-to-K microstrip power divider can be a one-to-two microstrip power divider, a one-to-three microstrip power divider or a one-to-four microstrip power divider, and the like, and each one-to-K microstrip power divider is connected with a positive 45-degree polarization feed point or a negative 45-degree polarization feed point of the K first radiation units 2102, so that power distribution and phase distribution are realized.

The row pitch of the first antenna array 1 is d, and the column pitch of the first antenna array 1 is d0, whereinD is greater than λ₁0.5 times of d0 is less than lambda₁0.7 times of, lambda of₁Is the wavelength corresponding to the central frequency point of the working frequency band of the first antenna array 1.

Optionally, a dielectric substrate 2103 is disposed above each first radiation unit 2102, and the height, shape, thickness, and the like of the dielectric substrate 2103 are set according to the antenna performance.

The second PCB 2202 can be fixed on the second side of the first metal reflector 2205 by the plastic rivet 2206, the second PCB 2202 is matched with the mounting hole of the first PCB 2101, and therefore the plastic rivet 2206 can sequentially penetrate through the first PCB 2101, the first metal reflector 2205 and the second PCB 2202, the first PCB 2101 is fixed on the first side of the first metal reflector 2205, and the second PCB 2202 is fixed on the second side of the first metal reflector 2205, which is beneficial to reducing the manufacturing cost and improving the assembly efficiency. The second PCB 2202 is provided with a plurality of radio frequency connectors 2204 and a plurality of dielectric filters 2203, and the number of the radio frequency connectors 2204 and the number of the dielectric filters 2203 are the same.

As shown in fig. 2 and fig. 3, the first antenna array 1 includes 12 × 8 first radiating elements 2102, the first radiating element feeding point 2201 is located at the back of the first PCB 2101 for facilitating soldering, and 64 microstrip power dividers divided into three parts are disposed on the first PCB 2101.

As shown in fig. 3, the number of the second PCB 2202 is two, the two second PCB 2202 are respectively disposed on the top and the bottom of the second side of the first metal reflection plate 2205, and each second PCB 2202 is provided with 32 rf connectors 2204 and 32 dielectric filters 2203.

The input end of the dielectric filter 2203 is connected with the radio frequency connector 2204, the output end of the dielectric filter 2203 is connected with the input end of the one-to-three microstrip power divider through the conductive adapter, and the output end of the one-to-three microstrip power divider is connected with the three first radiation units 2102. Electrical connection from the radio frequency connector 2204 to the first radiating element 2102 enables transmission and reception of signals.

Therefore, before the signal is transmitted through the first radiation unit 2102, the signal is filtered by the dielectric filter 2203, so that unnecessary signals can be filtered, and the signal is received and transmitted into the equipment end, and clutter signals can be filtered by the filtering of the dielectric filter 2203.

In the embodiment of the present invention, the second PCB 2202 is disposed on the second side of the first metal reflection plate 2205, the dielectric filter 2203 and the radio frequency connector 2204 are disposed on the second PCB 2202, the first PCB 2101 is disposed with the first power divider, the output end of the first power divider is connected to the first radiation unit 2102, and the radio frequency connector 2204 is connected to the input end of the first power divider through the dielectric filter 2203, thereby implementing power and phase distribution of the first antenna array 1 and ensuring stability of transmission and reception of 5G signals.

As shown in fig. 2, in an alternative embodiment, the third antenna array includes a third radiation unit 4102, the hybrid antenna further includes a first support member 2104, the first support member 2104 is disposed on the first PCB 2101, and the third radiation unit 4102 of the first branch 3 is connected to the first support member 2104.

The third antenna array comprises a plurality of third radiation elements 4102, the third radiation elements 4102 of the first branch 3 are located on the first PCB 2101, and the third radiation elements 4102 of the second branch 4 are located on the first side of the second metal reflector 4111.

Specifically, one end of the first support member 2104 is connected to the first PCB 2101, the other end of the first support member 2104 is connected to the third radiation unit 4102, the first support member 2104 is located in a gap of the first radiation unit 2102, the height of the first support member 2104 is set according to actual requirements, the third radiation unit 4102 is located above the first radiation unit 2102, and the third radiation unit 4102 and the first radiation unit 2102 are stacked in a staggered manner.

The third radiation element 4102 can move up and down in the first antenna array 1 with the first support 2104, ensuring no interference with the microstrip traces of the first power divider on the first PCB board 2101.

In the embodiment of the present invention, the third radiation unit 4102 of the first branch 3 and the first radiation unit 2102 are stacked in a staggered manner through the first support 2104, so that the degree of integration of array arrangement is improved, and the miniaturization of the hybrid antenna is facilitated.

As shown in fig. 2 and 4, in an alternative embodiment, the hybrid antenna further includes a third PCB 301, the third PCB 301 is disposed on the first side of the first metal reflection plate 2205, the third PCB 301 is disposed with a second power divider, and the first bundling connector 51 is connected to the third radiation unit 4102 of the first branch 3 through the second power divider.

Specifically, the third PCB 301 is disposed on the first sheet metal supporting member 302, and the first sheet metal supporting member 302 is fixed to the first side of the first metal reflection plate 2205 by a fastener.

The third PCB 301 is provided with a second power divider, which may be a one-to-two microstrip power divider, and the first bundling connector 51 is connected to the third radiation unit 4102 of the first branch 3 through the one-to-two microstrip power divider.

As shown in fig. 2 and 3, the first branch 3 includes 3 × 2 third radiation elements 4102, and the first and second third radiation elements 4102 of each column are connected by a one-to-two microstrip power divider. The first bundling connector 51 includes four cables, two cables are respectively connected to the input ends of the two one-to-two microstrip power splitters, and the other two cables are respectively connected to the positive 45 ° polarization feeding points and the negative 45 ° polarization feeding points of the third radiation elements 4102, so that feeding to each column of the three third radiation elements 4102 is achieved by one first bundling connector 51.

Two third PCB boards 301 are arranged on the first sheet metal supporting member 302, and a one-to-two microstrip power divider is formed on each third PCB board 301. The two first sheet metal supporting members 302 are respectively fixed to two end portions of the second side of the first metal reflection plate 2205, and the two first bundling connectors 51 are fixed to the second side of the first metal reflection plate 2205 through the two fifth sheet metal supporting members 52. Thereby, the power feeding to the two columns of the third radiation elements 4102 of the first branch 3 is realized by the two first bundling connectors 51.

In the embodiment of the present invention, the third PCB 301 is disposed on the first side of the first metal reflection plate 2205, the third PCB 301 is disposed with the second power divider, a part of the cables of the first bundling connector 51 is directly connected to the third radiation unit 4102, and another part of the cables of the first bundling connector 51 is connected to the third radiation unit 4102 through the second power divider, so as to implement power feeding to the first branch 3, which is beneficial to more compact circuit layout.

As shown in fig. 5, in an alternative embodiment, the hybrid antenna further includes a fourth PCB 4103, the fourth PCB 4103 is disposed on the first side of the second metal reflector 4111, and the fourth PCB 4103 is provided with a third power divider, and the third power divider is connected to the third radiation unit 4102 of the second branch 4.

Specifically, the fourth PCB 4103 may be fixed to the first side of the second metal reflection plate 4111 by a plastic rivet 2206, and a third power divider is disposed on the fourth PCB 4103 and may be a one-to-two microstrip power divider.

Optionally, the row pitch of the second branch 4 is d3, the column pitch of the second branch 4 is d4, wherein d3 is 2d1, d4 is 2d2, and d3 is greater than λ₃0.5 times of d4 is less than lambda₃0.7 times of, lambda of₃The wavelength corresponding to the central frequency point of the working frequency band of the third antenna array.

As shown in fig. 5, the second branch 4 includes 4 × 2 third radiation elements 4102, the 2 × 2 third radiation elements 4102 at the bottom are processed by oblique pulling, and the two diagonal third radiation elements 4102 are connected by a one-to-two microstrip power splitter formed on the fourth PCB 4103, which is beneficial to optimizing the radiation performance of the third antenna array.

As shown in fig. 5, in an alternative embodiment, the hybrid antenna further includes a second support 4107, the second support 4107 is disposed on the first side of the second metal reflector 4111, and the third radiation unit 4102 of the second branch 4 is connected to the second support 4107.

Specifically, one end of the second support 4107 is connected to the first side of the second metal reflector 4111, the other end of the second support 4107 is connected to the third radiation unit 4102, the second support 4107 is located in a gap of the second antenna array 2, the height of the second support 4107 is set according to actual requirements, the third radiation unit 4102 is located above the second antenna array 2, and the third radiation unit 4102 and the radiation unit in the second antenna array 2 are stacked in a staggered manner.

In the embodiment of the present invention, the third radiation unit 4102 of the second branch 4 and the second antenna array 2 are stacked in a staggered manner by the second support 4107, so that the array arrangement integration degree is improved, and the miniaturization of the hybrid antenna is facilitated.

As shown in fig. 5 and fig. 6, in an alternative embodiment, the second antenna array 2 includes a second radiation element 4101, the hybrid antenna further includes a fifth PCB 4203, the fifth PCB 4203 is disposed on the second side of the second metal reflector 4111, the fifth PCB 4203 is provided with a fourth power divider, and the fourth power divider is connected to the second radiation element 4101.

Specifically, the fifth PCB 4203 is disposed on the third sheet metal support 4208, the third sheet metal support 4208 is fixed to the second side of the second metal reflector 4111 by a fastener, and the fifth PCB 4203 is disposed with a fourth power divider.

Optionally, the row spacing of the second antenna array 2 is d1, and the column spacing of the second antenna array 2 is d2, where d1 is greater than λ₂0.7 times of d2 is less than lambda₂0.8 times of, lambda of₂Is the wavelength corresponding to the central frequency point of the working frequency band of the second antenna array 2.

The second radiating element feed point 4201 and the third radiating element feed point 4202 of the second branch 4 are both located on the second side of the second metal reflector 4111.

As shown in fig. 5 and 6, the second antenna array 2 includes 8 × 4 second radiation units 4101, the fourth power divider includes eight one-to-two microstrip power dividers and eight one-to-three microstrip power dividers, and the eight one-to-two microstrip power dividers and the eight one-to-three microstrip power dividers are disposed on the fifth PCB 4203 in an upper-lower two-layer manner. The eight one-to-two microstrip power splitters and the eight one-to-three microstrip power splitters are connected to 8 × 4 second radiation units 4101, thereby implementing power distribution of the second antenna array 2.

An isolation strip 4108 is disposed between two adjacent rows of second radiation units 4101 to improve isolation.

In the embodiment of the present invention, the fifth PCB 4203 is disposed on the second side of the second metal reflector 4111, and the fifth PCB 4203 is disposed with a fourth power divider, which is connected to the second radiation unit 4101 disposed on the first side of the second metal reflector 4111, so as to implement power distribution of the second antenna array 2 and facilitate structure compactness.

As shown in fig. 5, in an alternative embodiment, the second metal reflector 4111 is provided with an upper end cap 4105 and a lower end cap 4109 at two ends, and the upper end cap 4105 and the lower end cap 4109 are used to ensure the sealing performance of the second antenna array 2. The first side of second metal reflecting plate 4111 is also provided with a plastic supporting column 4106, the height of plastic supporting column 4106 is set according to actual requirements, and plastic supporting column 4106 is used for avoiding collision between the upper housing and third radiation unit 4102.

As shown in fig. 6, in an alternative embodiment, the hybrid antenna further includes a first phase shifter 4204 and a second phase shifter 4205, and the first phase shifter 4204 and the second phase shifter 4205 are disposed on the second side of the second metal reflector 4111; the first phase shifter 4204 is used to implement phase adjustment and amplitude adjustment of the third antenna array; the second phase shifter 4205 is used to implement phase adjustment and amplitude adjustment of the second antenna array 2.

Specifically, the first phase shifter 4204 and the second phase shifter 4205 may be fixed to the second side of the second metal reflection plate 4111 by a plastic clip 4209, the fourth PCB 4103 is provided with a third power divider, and the fifth PCB 4203 is provided with a fourth power divider.

The second phase shifter 4205 and the fourth power divider form a feeding network of the second antenna array 2, and the first phase shifter 4204 and the third power divider form a feeding network of the third antenna array.

The number of the first phase shifters 4204 is set according to the number of columns of the third antenna array, and the number of the second phase shifters 4205 is set according to the number of columns of the second antenna array 2.

As shown in fig. 5 and 6, the second antenna array 2 has 8 × 4 second radiation elements 4101, and the second branch 4 has 4 × 2 third radiation elements 4102, and 12 rf connectors 4104 and six antenna scales 4110 need to be provided to ensure that four rows of second radiation elements and two rows of third radiation elements realize independent electrical modulation.

The second metal reflector 4111 is fixed to the outside by the second sheet metal support 4207 and the fourth sheet metal support 4210, and the antenna strength can be ensured.

The second side of the second metal reflector 4111 is provided with a motor control module 4206 and a transmission module 4211, which are used for implementing the independent electrical tuning function of each column of the second antenna array 2 and the third antenna array.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.