WO2022126662A1

WO2022126662A1 - Antenna and base station

Info

Publication number: WO2022126662A1
Application number: PCT/CN2020/137791
Authority: WO
Inventors: 崔鹤; 肖伟宏; 普彪
Original assignee: 华为技术有限公司
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2022-06-23
Also published as: CN116529951A

Abstract

The present application provides an antenna and a base station. The antenna comprises a reflective board, a feed network board, and a sliding medium portion, wherein the reflective board comprises an accommodating portion provided toward the feed network board; the feed network board is provided on one side of the reflective board and comprises a first conductor; the first conductor and the sliding medium portion are located in the accommodating portion; the sliding medium portion is located between the first conductor and the accommodating portion; the accommodating portion has a first opening; and the first conductor, the sliding medium portion, the first opening and the accommodating portion extend in the same direction. According to the antenna provided by the present application, on the one hand, the accommodating portion is provided to enable the reflective board to serve as the radio-frequency ground of a phase shifter, additional components are not needed to serve as the radio-frequency ground, the design space can be saved, and the structure of the antenna is more simplified; on the other hand, the first opening is provided on the accommodating portion, such that the first conductor can be conveniently placed in the accommodating portion, thereby making the preparation process of the antenna simpler.

Description

Antenna and base station

technical field

The present application relates to the field of antenna technologies, and in particular, to an antenna and a base station.

Background technique

With the rapid development of mobile communication technology, more stringent technical requirements are put forward for the entire communication system architecture. The communication system requires not only efficient, fast, and large-capacity communication, but also highly integrated, miniaturized, and lightweight. Electronically adjustable antennas are the mainstream of antennas in today's communication systems. Phase shifters are an important component of electronically adjustable antennas. Existing phase shifters, power dividers and radiating oscillators are connected through cables or through transfer probes. The integration of each component of this structure is not high, which is not conducive to the miniaturization and light weight of the antenna. In addition, the existing phase shifter has low integration, many parts, more complex structure, and more production processes.

SUMMARY OF THE INVENTION

The present application provides an antenna that has fewer parts and is easy to install.

In a first aspect, an embodiment of the present application provides an antenna, including a reflector, a feeding network board, and a sliding medium portion. Wherein, the reflector includes a receiving portion facing the feeding network board, the feeding network board is disposed on one side of the reflector and includes a first conductor, the first conductor and the sliding medium portion are located in the receiving portion, and the sliding medium portion is located in the first conductor Between the accommodating part and the accommodating part, the accommodating part has a first opening, and the first conductor, the sliding medium part, the first opening and the accommodating part extend in the same direction. The feeding network board can be a PCB board or other metal board.

The first conductor, the sliding medium part, the first opening and the accommodating part extend in the same direction, which means that the first conductor, the sliding medium part, the first opening and the accommodating part extend in the same direction. In this embodiment, the entire accommodating portion extends along the first direction, the first conductor, the sliding medium portion, and the first opening extend along the first direction, wherein the first direction is the longitudinal direction of the reflector and is a straight line. In some embodiments, the extending direction of the receiving portion may also be a curve.

In this application, the accommodating portion has an accommodating space, the accommodating space communicates with the first opening, the first conductor and the sliding medium portion are located in the accommodating space, and the first conductor and the accommodating portion are spaced by the sliding medium portion, so that the first conductor It is electrically isolated from the containment unit, and there is no electrical connection between the two. In the present application, the sliding medium portion may be completely located in the receiving space of the receiving portion, or the sliding medium portion may partially extend out of the receiving space from the first opening and only partially lie in the receiving space.

In this application, the reflector is also used as a radio frequency ground for the phase shifter. The reflector includes a reflector body and a receiving portion. The receiving portion is a part of the reflector, that is, the receiving portion is also a radio frequency ground. The components of the phase shifter include a first conductor, a sliding medium part, and a reflector (including a receiving part). The reference ground of the signal in a conductor, the sliding dielectric part is located between the first conductor (inner conductor) and the reflector (outer conductor), and the relative position with the first conductor is changed by the movement of the sliding dielectric part, thereby changing the relationship between the first conductor and the reflection plate The dielectric constant between the plates changes the phase of the signal in the first conductor, so that the vertical beam of the antenna forms a specific down-tilt angle. The phase of the signal in the first conductor to be changed can be set according to actual needs to set the sliding position of the sliding medium portion or the material permittivity of the sliding medium portion itself. In the present application, no additional components are used as the radio frequency ground, and by arranging the accommodating portion to make the reflector plate as a whole as the radio frequency ground, the number of parts can be reduced, the design space can be saved, and the structure of the antenna can be made simpler.

In this application, by disposing a first opening on the receiving part, the first opening and the extending direction of the receiving part are the same, and the first conductor can be conveniently placed in the receiving part through the first opening. When the feeding network board is located on the reflecting plate When the structure of the part near the first conductor in the feeding network board is adapted to the structure of the accommodating part and the structure of the first opening, the first conductor can be conveniently placed in the accommodating part.

On the one hand, the antenna provided by this application can reduce the number of parts, save the design space, and simplify the structure of the antenna by setting the receiving portion so that the reflector is used as the radio frequency ground of the phase shifter, and no additional components are needed as the radio frequency ground; In one aspect, by arranging the first opening on the receiving portion, the first conductor can be conveniently placed in the receiving portion, so that the preparation process of the antenna is simpler.

In the present application, the first conductor can be any section of signal line in the feeding network board that needs to change the signal phase. For example, it can be one of the signal lines in the power division unit. The power division unit refers to a functional unit that divides one signal into multiple signals or combines multiple signals into one signal. For another example, the first conductor may also be a section of signal line adjacent to the radiating element in the feeding network board. In the present application, the first conductor may be a stripline structure or a microstripline structure.

In some embodiments, there are multiple receiving portions. When it is necessary to adjust the phase of the signals in the plurality of first conductors in the feeding network board, a plurality of accommodating parts can be provided on the reflector, and corresponding sliding medium parts are respectively set, and the plurality of accommodating parts The position distribution can be set according to the positions of the plurality of first conductors whose signal phases are to be changed in the feeding network board.

In a possible implementation manner, the reflector further includes a reflector body, there are two accommodating portions, and the two accommodating portions are located on both sides of the reflector body. Specifically, the two accommodating portions are oppositely disposed on both sides of the reflector body along a second direction, wherein the second direction intersects the first direction. In this embodiment, the second direction is perpendicular to the first direction, and the second direction is The width direction of the reflector. Wherein, the part of the feeding network board except the first conductor is located in the middle of the two receiving parts.

In a possible implementation manner, the receiving portion is integrally formed with the reflector body. The accommodating portion and the reflector body can be integrally formed by die casting or stamping. The integrally formed accommodating portion and the reflector body have stronger electrical continuity, and the accommodating portion and the reflector body together serve as the outer conductor of the phase shifter.

In a possible implementation manner, the components constituting the accommodating portion include a first side wall and a second side wall which are located on the reflector body and are disposed opposite to each other. Wherein, the first side wall and the second side wall and the part of the reflector body located between the first side wall and the second side wall form a structure with a "U"-shaped groove in cross section, that is to say, the cross section of the receiving part is It is a "U" shape, and the cross section of the accommodating portion refers to a cross-section obtained by cutting the accommodating portion along a line perpendicular to the extending direction of the accommodating portion. One end of the first side wall and the second side wall away from the reflection plate forms a first opening, and the first opening and the feeding network board are located on the same side of the reflection plate. Wherein, the extension direction of the first side wall and the second side wall is the first direction, and the length is the same as that of the reflector, and the first side wall and the second side wall are oppositely arranged along the second direction.

In a possible implementation manner, the sliding medium portion is provided with a receiving groove and a second opening communicating with the receiving groove, the second opening and the first opening extend in the same direction, and the first conductor is located in the receiving groove. By arranging the first conductor in the accommodating groove, the phase of the signal in the first conductor can be changed during the moving process of the sliding medium part. In a possible implementation manner, the sliding medium portion is an integrally formed structure, which is more convenient to manufacture, and is beneficial to saving the time and cost of the manufacturing process.

In a possible implementation manner, the feeding network board further includes a first connector, one end of the first connector is connected to the first conductor through the first opening and the second opening in sequence, and the other end of the first connector is located at Outside the container.

In one embodiment, the first connector includes a first segment, a second segment, a third segment and a fourth segment connected in sequence, the first segment is substantially parallel to the reflector body, and the second segment is substantially parallel to the first side wall and is roughly perpendicular to the reflector body, the second segment is located on the side of the first sidewall away from the second sidewall, the third segment is located on the side of the first sidewall away from the reflector body and roughly parallel to the reflector, and the fourth segment is located on the side of the first sidewall away from the reflector body and roughly parallel to the reflector. between the third segment and the first conductor, and within the sliding media portion. In this embodiment, the wiring of the first connecting member is adapted to the structure of the receiving portion, and the first connecting member is electrically connected to the first conductor in the sliding medium portion by crossing the first side wall away from the end of the reflector body. When the electrical network board is assembled with the reflector, the second segment and the fourth segment of the first connector are clamped on both sides of the first side wall, and the first conductor is placed in the receiving portion through the first opening.

In a possible implementation manner, the height of the sliding medium portion at the receiving portion is greater than the height of the receiving portion. In this case, the sliding medium portion can be used to support the first connecting piece, so that the first connecting piece is spaced from the first side wall to avoid electrical contact. In some embodiments, the height of the sliding medium portion at the receiving portion is less than or equal to the height of the receiving portion, and an insulating medium portion may be provided on the side of the reflective plate facing the feeding network board to support the first connecting member, so that the first connecting member is supported. The connector is spaced from the first side wall.

In a possible implementation manner, the heights of the first side wall and the second side wall are equal. In some embodiments, the heights of the first sidewall and the second sidewall are not equal.

In order to adapt to different shapes of feeding network boards or other component structures in the antenna, the receiving portion can be arranged at any position on the reflector, and the shape and quantity are not limited. For details, please refer to the following embodiments.

In a possible implementation manner, the accommodating portion is elongated, wherein the accommodating portion is located in the middle of the reflector body.

In a possible implementation manner, the receiving portion is located at the edge of the reflector body.

In a possible implementation manner, the length of the receiving portion along the first direction is smaller than the length of the reflector body along the first direction. The length of the sliding medium portion along the first direction may be the same as or different from the length of the accommodating portion along the first direction. In some embodiments, the length of the sliding medium portion in the first direction may or may not be the same as the length of the first opening in the first direction.

In a possible implementation manner, the accommodating portion is arc-shaped, wherein the curvature of the arc is not limited and can be set according to actual needs. In this embodiment, correspondingly, the first conductor and the sliding medium portion are also arc-shaped. , and the curvature of the first conductor and the sliding medium portion is adapted to the curvature of the accommodating portion, so that the sliding medium portion can slide in the accommodating portion.

In a possible implementation manner, the cross-section of the receiving portion is arc-shaped. The arc shape includes an arc shape or an elliptical arc shape. When the cross section of the receiving portion is an arc shape, the arc of the arc can be set according to actual needs. When the width of the first opening needs to be larger, the cross section of the receiving portion is larger. The radian can be set to be small, which is favorable for the first conductor to be conveniently placed in the accommodating portion. Wherein, the cross section of the receiving portion includes an outer surface and an inner surface, wherein the outer surface and the inner surface are both arc-shaped, and the cross-section of the sliding medium portion is an arc-shaped matching with the inner surface. In some embodiments, the inner surface can be set as a rectangle, and the part of the rectangle corresponding to the first opening is not closed. At this time, the cross-section of the sliding medium part is a rectangle adapted to the inner surface, so that the sliding medium part can be It slides smoothly inside the container. In some embodiments, the inner surface may also be trapezoidal, polygonal, or irregular in shape.

In a possible implementation manner, an insulating medium portion is provided on the wall of the first opening, so as to prevent the first connector from being in electrical contact with the receiving portion. The wall of the first opening refers to a side wall of a part of the receiving portion corresponding to the first opening.

In a possible implementation manner, the second sidewall is disposed closer to an edge of the reflector body than the first sidewall, and the second sidewall is higher than the first sidewall.

In a possible implementation manner, the components constituting the receiving portion include a third side wall and a fourth side wall, the third side wall is located on the reflector body, and one end of the fourth side wall and the third side wall are far away from the reflector body One end of the fourth side wall is connected, and the other end of the fourth side wall extends toward the center of the reflector body. The center of the reflector body is located in the middle part of the reflector body, or the center of the reflector body is located between the edge parts of the reflector body. Wherein, the gap between the other end of the fourth side wall and the reflector body is the first opening. When the other part of the feeding network board is located on the side of the first opening away from the third side wall, the first conductor can smoothly enter the interior of the receiving portion through the first opening.

In a possible implementation manner, an insulating medium portion is provided on the side of the reflector facing the fourth side wall, the insulating medium portion is located on the side of the third side wall close to the center of the reflector body, and the insulating medium portion and the fourth side wall are provided with an insulating medium portion. A first opening is formed between one end of the side wall away from the third side wall, and the insulating medium portion can prevent the first connecting member passing through the first opening from being electrically connected to the reflector, that is to say, the insulating medium portion can serve as an insulating support. The height of the insulating medium portion can be set according to the width of the first opening, which is not limited in this application.

In a possible implementation, the components constituting the receiving portion include a groove, the groove has a bottom, the reflector includes a reflector body, and the bottom is located on the side of the reflector body away from the feeding network board. The opening of the groove is the first opening, and the first opening faces the side of the feeding network board. The first connector is bent from the side of the reflective plate close to the feeding network board through the first opening to the side of the reflective plate far away from the feeding network board, that is, extends into the receiving portion, so as to connect the first connecting member located in the receiving portion. conductor. In this embodiment, the flatness of the side of the antenna close to the feeding network board can be improved.

In a possible implementation manner, the sliding medium portion is provided in the groove, and the height of the sliding medium portion in the depth direction of the groove is greater than the depth of the groove. The groove depth direction is the third direction. That is to say, the end of the sliding medium part away from the bottom protrudes from the reflector, and can be used to support the feeding network board, so as to space the first connection member from the reflector to avoid electrical contact.

In some embodiments, an insulating medium portion may also be provided at a position of the reflector body adjacent to the groove, and the insulating medium portion is used to support the feeding network board, for example, used to support the first connector, so as to avoid the feeding network board and the The reflector is in electrical contact.

In a possible implementation manner, the sliding medium portion includes a first sliding medium sub-section and a second sliding medium sub-section that are oppositely arranged, and a surface of the first sliding medium sub-section facing the second sliding medium sub-section is provided with a first sliding medium sub-section. an accommodating sub-slot, a surface of the second sliding medium sub-section facing the first sliding medium sub-section is provided with a second accommodating sub-slot, the first accommodating sub-slot and the second accommodating sub-slot together form an accommodating slot, and the first conductor is arranged in the first accommodating sub-slot and the second accommodating sub-slot. This embodiment is advantageous for placing the first conductor in the sliding medium part. During installation, the first conductor can be placed in the first receiving sub-slot and the second receiving sub-slot, and then the first sliding medium sub-section and the second receiving sub-slot can be placed together. The sliding medium sub-parts are pressed together and put into the receiving part together.

In a possible implementation manner, the receiving portion and the radiation unit are arranged on both sides of the reflector body.

In a second aspect, an embodiment of the present application provides a base station, including the antenna in any of the above embodiments. The base station also includes: a radio frequency processing unit and a baseband processing unit. The baseband processing unit is connected to the feeding network board in the antenna through the radio frequency processing unit; the antenna is used to transmit the received wireless signal to the radio frequency processing unit, or convert the transmitted signal of the radio frequency processing unit into electromagnetic waves and send them out. The radio frequency processing unit is used to perform frequency selection, amplification and down-conversion processing on the wireless signal received by the antenna, and convert it into an intermediate frequency signal or a baseband signal and send it to the baseband processing unit, or it is used for the baseband signal sent by the baseband processing unit. Or the intermediate frequency signal is up-converted, amplified, and sent out through the antenna. The baseband processing unit is used for processing the intermediate frequency signal or the baseband signal sent by the radio frequency processing unit.

In one embodiment, the radio frequency processing unit is integrated with the antenna, the antenna is installed on a pole or an iron tower, the radio frequency processing unit is integrated with the antenna, the baseband processing unit is located at the far end of the antenna, and is connected with the radio frequency processing unit through a cable. . In some embodiments, the radio frequency processing unit may be located at the far end of the antenna at the same time as the baseband processing unit.

Description of drawings

FIG. 1 is a perspective exploded schematic diagram of an antenna provided by an embodiment of the present application;

2 is a perspective exploded schematic diagram of an antenna provided by another embodiment of the present application;

3 is a schematic three-dimensional structural diagram of an antenna provided by an embodiment of the present application;

4 is a bottom view of an antenna provided by an embodiment of the present application;

Fig. 5 is the D-D cross-sectional view of Fig. 3 of the present application;

6a is a schematic diagram of an antenna of a structure without a support frame provided in an embodiment of the present application;

Fig. 6b is a partial enlarged view of part M in Fig. 6a of the present application;

7 is a schematic structural diagram of a reflector in an antenna provided by an embodiment of the present application;

Fig. 8 is the E-E sectional view of Fig. 7 of the present application;

9a is a schematic structural diagram of a feeding network board in an antenna provided by an embodiment of the present application;

Fig. 9b is a schematic position diagram of an equivalent circuit diagram of an accommodating portion, a sliding medium portion, and a feeding network board in an antenna provided by an embodiment of the present application;

Fig. 10a is a schematic diagram of the sliding medium portion in the antenna provided by an embodiment of the present application moving relative to the first conductor;

Fig. 10b is a schematic diagram of the sliding medium part in the antenna according to another embodiment of the present application moving relative to the first conductor;

11 is a schematic structural diagram of a reflector in an antenna provided by an embodiment of the present application;

12 is a schematic structural diagram of a reflector in an antenna provided by another embodiment of the present application;

13 is a schematic structural diagram of a reflector in an antenna provided by another embodiment of the present application;

14 is a schematic structural diagram of a reflector in an antenna provided by another embodiment of the present application;

15 is a schematic structural diagram of a reflector in an antenna provided by another embodiment of the present application;

16 is a schematic structural diagram of a reflector in an antenna provided by another embodiment of the present application;

17 is a schematic structural diagram of a reflector plate and a feeding network plate part in an antenna provided by an embodiment of the present application;

18 is a schematic structural diagram of a reflector in an antenna provided by another embodiment of the present application;

19 is a schematic structural diagram of a reflector in an antenna provided by another embodiment of the present application;

20 is a schematic structural diagram of a reflector, a sliding medium part, and a feeding network board part in an antenna provided by an embodiment of the present application;

21 is a schematic structural diagram of a reflector plate, a sliding medium part, and a feeding network plate part in an antenna provided by another embodiment of the present application;

22 is a schematic structural diagram of a sliding medium portion and a first conductor portion in an antenna provided by an embodiment of the present application;

23 is a schematic structural diagram of an antenna provided by an embodiment of the present application;

Fig. 24 is the F-F sectional view of Fig. 23 of the present application;

25 is a schematic structural diagram of a feeding network board and a sliding medium portion in an antenna provided by an embodiment of the present application;

FIG. 26 is a schematic structural diagram of a reflector and a sliding medium portion in an antenna provided by another embodiment of the present application;

27 is a schematic structural diagram of a feeding network board, a reflector, and a sliding medium portion in an antenna provided by another embodiment of the present application;

FIG. 28 is a schematic structural diagram of a base station provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments.

Herein, the terms "first", "second", etc. are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of this application, unless stated otherwise, "plurality" means two or more.

In addition, herein, orientation terms such as "upper" and "lower" are defined relative to the orientation in which the structures in the accompanying drawings are schematically placed, and it should be understood that these directional terms are relative concepts, and they are used relative to descriptions and clarifications, which can vary accordingly depending on the orientation in which the structure is placed.

For the convenience of understanding, the English abbreviations and related technical terms involved in the embodiments of the present application are explained and described below.

PCB: Printed Circuit Board, printed circuit board.

RF ground: RF ground refers to the reference ground of the signal transmitted by the signal line in the phase shifter.

Electrical connection: refers to electrical connection, which may include electrical connection in the form of direct contact connection or coupling connection.

The phase shifter of the antenna provided in this application includes a sliding medium part, a first conductor and a receiving part, the receiving part is a part of the reflector in the antenna, and the reflector is used as the radio frequency ground of the phase shifter, and no additional components are needed as the radio frequency Therefore, the design space can be saved, and the structure of the antenna is simplified; a first opening is also arranged on the receiving part, and the first conductor can be conveniently placed in the receiving part through the first opening, so that the preparation process of the antenna is simpler.

Referring to FIGS. 1 to 9 b , an embodiment of the present application provides an antenna 10 , including a reflector 100 , a feeding network board 200 , and a sliding medium portion 300 . The reflector 100 is used to reflect signals, improve the sensitivity of the antenna 10 to receive or transmit signals, and gather the signal reflections on the receiving point of the antenna 10, which not only greatly enhances the receiving or transmitting capability of the antenna 10, but also blocks or shields the reflection from the reflection. In order to interfere with the signal by other radio waves on the back side of the board 100 , the material of the reflective board 100 may be metal. The feeding network board 200 is used to feed the signal to the radiation unit according to a certain amplitude and phase, or to send the received wireless signal to the signal processing unit of the base station according to a certain amplitude and phase. The circuits in the feeding network board 200 may be provided with functional units such as a power dividing and combining unit, a filtering unit or a phase shifter (or a phase shifting power dividing unit) according to actual needs. The feeding network board 200 may be a PCB board or other metal board. The sliding medium portion 300 has a certain dielectric constant, and the specific dielectric constant can be selected according to actual needs.

The reflector 100 includes a receiving portion 400 (as shown in FIG. 6 a ) disposed toward the feeding network board 200 . The feeding network board 200 is disposed on one side of the reflector 100 and includes a first conductor 210 , the first conductor 210 and the The sliding medium part 300 is located in the accommodating part 400, the sliding medium part 300 is located between the first conductor 210 and the accommodating part 400, the accommodating part 400 has a first opening 410 (as shown in FIG. 7 and FIG. 8), the first conductor 210, The sliding medium part 300 , the first opening 410 and the receiving part 400 extend in the same direction.

The first conductor 210 , the sliding medium part 300 , the first opening 410 and the accommodating part 400 extend in the same direction, which means that the first conductor 210 , the sliding medium part 300 , the first opening 410 and the accommodating part 400 extend in the same direction. In this embodiment, the accommodating portion 400 extends along the first direction A as a whole, and the first conductor 210 , the sliding medium portion 300 , and the first opening 410 extend along the first direction A (as shown in FIG. 1 and FIG. 7 ). One direction A is the longitudinal direction of the reflector 100 and is a straight line. In some embodiments, the extending direction of the receiving portion 400 may also be a curve.

In the present application, the accommodating portion 400 has a accommodating space 420 (as shown in FIG. 8 ), the accommodating space 420 communicates with the first opening 410 , the first conductor 210 and the sliding medium portion 300 are located in the accommodating space 420 , and the first conductor 210 is connected to the first opening 410 . The accommodating parts 400 are spaced apart by the sliding medium part 300 , so that the first conductor 210 and the accommodating part 400 are electrically isolated, and there is no electrical connection therebetween. In the present application, the sliding medium portion 300 may be completely located in the receiving space 420 of the receiving portion 400 , and the sliding medium portion 300 may partially extend out of the receiving space 420 from the first opening 410 while only a part of the sliding medium portion 300 is located in the receiving space 420 (eg shown in Figure 6a).

In this application, the reflector 100 is also used as a radio frequency ground for a phase shifter. The reflector 100 includes a reflector body 110 and a receiving portion 400 . The receiving portion 400 is a part of the reflector 100 , that is, the receiving portion 400 is also a radio frequency ground. Referring to FIG. 6a , the components of the phase shifter 500 include a first conductor 210 , a sliding dielectric portion 300 and a reflector 100 (including the receiving portion 400 ). As the outer conductor, that is, the radio frequency ground, the radio frequency ground is the reference ground of the signal in the first conductor 210, and the sliding dielectric part 300 is located between the first conductor 210 (inner conductor) and the reflector 100 (outer conductor), and passes through the sliding dielectric part 300 moves to change the relative position with the first conductor 210, thereby changing the dielectric constant between the first conductor 210 and the reflector 100, thereby changing the phase of the signal in the first conductor 210, so that the vertical beam of the antenna 10 forms a specific At the down-tilt angle, the feeding network board 200 can drive the sliding medium part 300 to move through the transmission component so as to realize different radiation beam directions. The phase of the signal in the first conductor 210 to be changed can be set according to actual needs by setting the sliding position of the sliding medium part 300 or the material permittivity of the sliding medium part 300 itself. In the present application, no additional components are used as a radio frequency ground, and the entire reflector 100 can be used as a radio frequency ground by arranging the receiving portion 400 , which can reduce parts, save design space, and make the structure of the antenna 10 simpler.

In the present application, by disposing the first opening 410 on the accommodating portion 400 , the first opening 410 and the accommodating portion 400 extend in the same direction, and the first conductor 210 can be conveniently placed in the accommodating portion 400 through the first opening 410 . When the feeding network board 200 is located on the reflector 100, a part of the structure near the first conductor 210 in the feeding network board 200 is adapted to the structure of the receiving portion 400 and the structure of the first opening 410, so that the first conductor 210 can be very It is conveniently placed in the receiving part 400 .

On the one hand, in the antenna 10 provided in the present application, the accommodating portion 400 is provided so that the reflector 100 is used as the radio frequency ground of the phase shifter, and no additional components are needed as the radio frequency ground, which can reduce the number of parts, save the design space, and make the structure of the antenna 10 more compact. Simplification; on the other hand, by arranging the first opening 410 on the receiving part 400 , the first conductor 210 can be conveniently placed in the receiving part 400 , so that the preparation process of the antenna 10 is simpler.

In the present application, the first conductor 210 may be any section of signal line in the feeding network board 200 that needs to change the signal phase. For example, it can be one of the signal lines in the power division unit. The power division unit refers to a functional unit that divides one signal into multiple signals or combines multiple signals into one signal. For another example, the first conductor 210 may also be a section of signal line adjacent to the radiating element in the feeding network board 200 . In the present application, the first conductor 210 may be a stripline structure or a microstripline structure.

In some embodiments, there are multiple receiving portions 400 . When it is necessary to adjust the phases of the signals in the plurality of first conductors 210 in the feeding network board 200, a plurality of receiving parts 400 can be provided on the reflector 100, and corresponding sliding medium parts 300 can be provided respectively, and The positional distribution of the plurality of accommodating portions 400 may be set according to the positions of the plurality of first conductors 210 in the feeding network board 200 whose signal phases are to be changed.

Referring to FIG. 1 again, in a possible implementation manner, the reflector 100 further includes a reflector body 110 , there are two receiving portions 400 , and the two receiving portions 400 are located on both sides of the reflector body 110 . Specifically, the two accommodating portions 400 are oppositely disposed on both sides of the reflector body 110 along the second direction B, wherein the second direction B intersects the first direction A, and in this embodiment, the second direction B and the first direction A is vertical, and the second direction B is the width direction of the reflector 100 . The part of the feeding network board 200 except the first conductor 210 is located in the middle of the two receiving parts 400 . In some embodiments, there are three accommodating portions 400 , two accommodating portions 400 are located on both sides of the reflector body 110 , and the remaining one accommodating portion 400 is located in the middle of the reflector body 110 .

In a possible implementation manner, the receiving portion 400 is integrally formed with the reflector body 110 . The accommodating portion 400 and the reflector body 110 can be integrally formed by die casting or stamping. The integrally formed accommodating portion 400 and the reflector body 110 have stronger electrical continuity. The outer conductor of the phase device.

Referring to FIG. 6a and FIG. 8 again, in a possible implementation manner, the components constituting the receiving portion 400 include a first side wall 440 and a second side wall 450 located on the reflector body 110 and disposed opposite to each other. In this embodiment, the first side wall 440 and the second side wall 450 and the part of the reflector body 110 located between the first side wall 440 and the second side wall 450 form a structure with a "U"-shaped groove in cross section That is to say, the cross-section of the receiving portion 400 is a “U” shape, and the cross-section of the receiving portion 400 refers to the section obtained by cutting the receiving portion 400 with a line perpendicular to the extending direction of the receiving portion 400 . For example, when the receiving portion 400 When the extending direction is the first direction A, the cross section of the accommodating portion 400 is perpendicular to the first direction A. One end of the first side wall 440 and the second side wall 450 away from the reflector 100 forms a first opening 410 (as shown in FIG. 8 ), and the first opening 410 and the feeding network board 200 are located on the same side of the reflector 100 (eg, as shown in FIG. 8 ). shown in Figure 6a). In this embodiment, the extending direction of the first side wall 440 and the second side wall 450 is the first direction A, and the length is the same as that of the reflector 100, and the first side wall 440 and the second side wall 450 are along the second direction B relative settings.

In a possible implementation, the sliding medium part 300 is provided with a receiving groove 310 and a second opening 320 (as shown in FIG. 6 a ) communicating with the receiving groove 310 , and the second opening 320 and the first opening 410 extend in the same direction , the first conductor 210 is located in the receiving groove 310 . In this embodiment, by disposing the first conductor 210 in the receiving groove 310 , the sliding medium portion 300 can change the phase of the signal in the first conductor 210 during the moving process. In this embodiment, the sliding medium part 300 is an integral molding structure, which is more convenient to manufacture, and is beneficial to save the time and cost of the manufacturing process.

In this embodiment, the feeding network board 200 further includes a first connector 240 , and the first connector 240 is connected to the first conductor 210 through the first opening 410 and the second opening 320 in sequence, and another part of the first connector 240 is connected to the first conductor 210 One end is located outside the accommodating portion 400 .

Please refer to FIG. 6b. FIG. 6b is a partial enlarged view of part M in FIG. 6a. In this embodiment, the first connector 240 includes a first segment 241, a second segment 242, a third segment 243 and a fourth segment connected in sequence. Section 244, the first section 241 is substantially parallel to the reflector body 110, the second section 242 is substantially parallel to the first side wall 440 and is substantially perpendicular to the reflector body 110, the second section 242 is located on the first side wall 440 away from the second side On one side of the wall 450, the third segment 243 is located on the side of the first side wall 440 away from the reflector body 110 and is substantially parallel to the reflector body 110, and the fourth segment 244 is located between the third segment 243 and the first conductor 210, and located in the sliding medium part 300 . In this embodiment, the wiring of the first connecting member 240 is adapted to the structure of the accommodating portion 400 . The conductors 210 are electrically connected. When the feeding network board 200 is assembled with the reflector 100, the second segment 242 and the fourth segment 244 of the first connector 240 are clamped on both sides of the first side wall 440, and the first conductor 210 passes through The first opening 410 is placed in the receiving portion 400 . In this embodiment, the height of the sliding medium portion 300 at the receiving portion 400 is greater than the height of the receiving portion 400 . In this case, the sliding medium portion 300 can be used to support the first connecting member 240 , so that the first connecting member 240 and the first side wall are connected to each other. 440 spacing to avoid electrical contact. The height direction of the accommodating portion 400 is the third direction, and the third direction C intersects the first direction A and the second direction B respectively. In this embodiment, the third direction C is the first direction A and the second direction B respectively. vertical. In some embodiments, the height of the sliding medium portion 300 at the receiving portion 400 is less than or equal to the height of the receiving portion 400 , and the first connecting member can be supported by providing an insulating medium portion on the side of the reflector 100 facing the feeding network board 200 . 240 , so that the first connecting member 240 is spaced from the first side wall 440 .

In this embodiment, the heights of the first sidewall 440 and the second sidewall 450 are equal; in some embodiments, the heights of the first sidewall 440 and the second sidewall 450 are not equal.

Referring to FIG. 9a, in this embodiment, the feeding network board 200 further includes a signal transmission port 220 and a connecting wire 230, and the connecting wire 230 is electrically connected between the signal transmission port 220 and the first connecting member 240, and the first connecting member 240 is connected between the connection line 230 and the first conductor 210 . The signal transmission port 220 is the input and output port of the signal of the antenna 10 . In some embodiments, the connection wire 230 , the first connector 240 and the first conductor 210 are integrally formed, or connected together by welding.

In a possible implementation manner, there are at least two first conductors 210, and one first connector 240 is connected to at least two first conductors 210 at the same time (210a and 210b in FIG. 9a); the signal of the signal transmission port 220 The signals in the at least two first conductors 210 are sequentially transmitted to the signal transmission port 220 through the first connection member 240 and the connection wire 230 through the connecting wire 230 and the first connecting member 240 in sequence. . The power division unit 600 in this embodiment includes a connecting wire 230 , a first connecting member 240 and at least two first conductors 210 . In this embodiment, there are two first conductors 210 , the signal of the connection line 230 is branched to the two first conductors 210 through the first connecting piece 240 , or the signals of the two first conductors 210 pass through the first connecting piece 240 is combined into the first connector 240 . In some embodiments, the number of the first conductors 210 may be three or more, so as to form a power division unit 600 divided into three or more circuits, wherein the first conductors 210 of the three or more circuits are divided into three circuits or more than three circuits. The signal can be pulled by different transmission components to change the phase of the signal by pulling different sliding medium parts 300 . In some embodiments, the first conductor 210 can be designed with different power division ratios and phases according to actual electrical performance requirements. In this embodiment, there is a phase-shifting power division unit 1100 , and the phase-shifting power division unit 1100 includes a sliding medium part 300 , a receiving part 400 and a power division unit 600 including the first conductor 210 (as shown in FIG. 9 b ), that is, The phase-shifting and power-dividing unit 1100 simultaneously has the functions of two functional units, a phase-shifter and a power-dividing and combining unit.

In this embodiment, there are two first conductors 210 , and the two first conductors 210 are distributed in the receiving portion 400 along the extending direction of the receiving portion 400 ; the first connector 240 is connected to the two first conductors 210 , and the sliding medium The part 300 is disposed between one of the first conductors 210 and the receiving part 400 , and the sliding medium part 300 can slide from one of the first conductors 210 to the position of the other first conductor 210 . The sliding medium part 300 can be slid by different displacement distances according to the requirement of the phase of the signal in the first conductor 210 to be changed.

Specifically, please refer to FIG. 10a and FIG. 10b. FIG. 10a is a schematic diagram of the sliding medium part 300 moving and changing the phase according to an embodiment of the present application, and FIG. 10b is the sliding medium part 300 moving and changing the phase according to another embodiment of the present application. In the schematic diagram, in order to clearly see the position where the sliding medium part 300 moves relative to the first conductor 210 , the receiving part 400 is omitted in FIGS. 10 a and 10 b . In the embodiment shown in FIG. 10a, the two first conductors 210 are denoted as the first conductor 210a and the first conductor 210b respectively. Before the phase of the signal is not changed, the sliding dielectric portion 300 is located between the first conductor 210a and the receiving portion 400. Meanwhile, when the signal phase needs to be changed, the sliding medium part 300 is moved between the first conductor 210b and the accommodating part 400 through the transmission member. In the embodiment shown in FIG. 10b, before the phase of the signal is not changed, the sliding medium part 300 is located between the first conductor 210a and the receiving part 400. When the signal phase needs to be changed, the sliding medium part 300 is moved by the transmission member to a position between the first conductor 210a and the first conductor 210b.

In other embodiments, the length of the sliding medium part 300 in the first direction A may be other lengths, and may be slid to any position between the first conductor 210a and the first conductor 210b. In some embodiments, there may be two sliding medium portions 300 , wherein one sliding medium portion 300 is located between the first conductor 210 a and the receiving portion 400 , and the other sliding medium portion 300 is located between the first conductor 210 b and the receiving portion 400 , when the signals transmitted in the first conductor 210a and the first conductor 210b need to be changed in different phases, the two sliding dielectric parts 300 can be moved at the same time, which is beneficial to precisely control the phases of the signals in the first conductor 210a and the first conductor 210b .

Referring to FIG. 9a again, in a possible implementation manner, the antenna 10 further includes a radiation unit 700, which is electrically connected to the feeding network board 200, and is used for receiving or transmitting signals. Specifically, the radiation unit 700 can be electrically connected to the first conductor 210 in the feeding network board 200, wherein the radiation unit 700 is used to send out the signal passing through the first conductor 210, or receive the signal in the free space, and The signal is transmitted to the signal transmission port 220 through the first conductor 210 . The radiation unit 700 and the first conductor 210 may be directly connected or indirectly connected through other functional units.

Referring to FIG. 9a again, in some embodiments, the feeding network board 200 further includes a power dividing and combining unit 800, which is connected between the radiation unit 700 and the first conductor 210, and the power dividing and combining unit 800 has a plurality of second conductors 810 with the same number as the radiation unit 700, one end of the plurality of second conductors 810 is electrically connected to the end of the first conductor 210 away from the signal transmission port 220 at the same time, and the plurality of second conductors 810 are respectively connected with the plurality of second conductors 810. The radiation units 700 are electrically connected in one-to-one correspondence, and the second conductor 810 is used to transmit signals between the radiation unit 700 and the first conductor 210 . In this embodiment, there are three second conductors 810 and three radiation units 700, one first conductor 210 is connected to three second conductors 810, and three second conductors 810 are electrically connected to the three radiation units 700 respectively. That is to say, the signal of one first conductor 210 is divided into three signals and transmitted to the three second conductors 810 respectively, or the signals of the three second conductors 810 are combined into one signal and transmitted to the first conductor 210 . In some embodiments, the power splitting and combining unit 800 further includes a second connecting member 820. The second connecting member 820 simultaneously connects one end of the three second conductors 810 close to the first conductor 210, and connects the first conductor 210 away from the signal transmission. At one end of the port 220, one signal is divided into three signals by the second connecting member 820, or the three signals are combined into one signal. In other embodiments, the number of the second conductors 810 in each power splitting and combining unit 800 may also be two, or one, or more than three, which may be determined according to actual needs, and will not be used in this application. limited. In some embodiments, the number of the power splitting and combining units 800 in the feeding network board 200 may be two or more, which may be determined according to actual requirements, which is not limited in this application.

Please refer to FIG. 1 , FIG. 9 a and FIG. 9 b again. In this embodiment, there are two accommodating parts 400 and are symmetrically arranged, and the feeding network board 200 is an axisymmetric structure, including two signal transmission paths, each signal transmission path The path includes a signal transmission port 220 , a phase-shifting power dividing unit 1100 , a power dividing and combining unit 800 , and three radiation units 700 . The phase-shifting power dividing unit 1100 includes a connecting wire 230 , a first connecting member 240 and two first conductors 210 , and the first conductors 210 are located in the receiving portion 400 . The power splitting and combining unit 800 includes a second connector 820 and three second conductors 810 , and one end of the three second conductors 810 away from the second connector 820 is electrically connected to the three radiation units 700 respectively. The two signal transmission paths share the radiation unit 700, the radiation unit 700 is arranged in the middle of the two signal transmission paths, and the radiation unit 700 is a dual-polarized radiation unit.

9b is a schematic position diagram of the equivalent circuit diagram of the signal transmission path in the receiving part, the sliding medium part and the feeding network board in this embodiment, when the antenna 10 transmits a signal: the signal is input from the signal transmission port 220, and the connection line 230 is transmitted to the first connector 240, and is divided into two channels through the first connector 240 and transmitted to the two first conductors 210 respectively, wherein each first conductor 210 transmits its respective signal to the correspondingly connected second connection The radiating element 820 is then divided into three paths through the second connecting element 820 and transmitted to the three second conductors 810, and is radiated from the radiation unit 700 at the end of the second conductor 810 to the free space respectively. When it is necessary to change the signal in the first conductor 210 When the phase of the movable sliding medium part 300 changes the phase; when the antenna 10 receives the signal: the radiation unit 700 receives the wireless signal in the free space, and transmits it from the three second conductors 810 to the second connecting piece 820 respectively, and then through the The second connector 820 combines three signals into one signal and transmits it to the first conductor 210 , and the signals in the two first conductors 210 combine the two signals into one signal through the first connector 240 and transmit the signal to the connecting line 230 , the signal transmission port 220 transmits the signal to a connection device other than the antenna 10 . In this embodiment, the phase-shifting power division unit 1100 and the power dividing and combining unit 800 are electrically continuous, and the radio frequency grounds of both are the reflector 100, that is to say, the phase-shifting power division unit 1100 does not need any additional The component acts as a radio frequency ground, which makes the structure of the antenna 10 more simple.

In some embodiments, the feeding network board 200 may further include a filtering unit, and the filtering unit is electrically connected to the first conductor 210 or is electrically connected to the second conductor 810 in the power dividing and combining unit 800 for filtering out interfere with the signal.

It should be noted that in this application, the signal circuit between the signal transmission port 220 and the first conductor 210 can also be set as required, including functional units, wiring settings, etc., which are not limited in this application; The signal circuit between the first conductor 210 and the radiation unit 700 can also be set as required, which is not limited in this application.

In some embodiments, the antenna 10 further includes a support frame 900 (as shown in FIG. 1 , FIG. 2 and FIG. 5 ). The support frame 900 is disposed on the side of the feeding network board 200 away from the reflector 100 . The support frame 900 is connected to the feeder The electrical network board 200 is disposed on the same side of the reflector 100 . The radiation unit 700 includes a first radiation sub-component 710 and a second radiation sub-component 720. The first radiation sub-component 710 is electrically connected to the end of the first conductor 210 away from the signal transmission port 220. In this embodiment, the first radiation sub-component 710 is connected to the second conductor 810 in the power splitting and combining unit 800 . The second radiation sub-component 720 is connected to the first radiation sub-component 710 by radio frequency. The radio frequency connection includes electrical contact connection or signal coupling connection. Signals can be transmitted between the first radiation sub-component 710 and the second radiation sub-component 720. The second radiation component Subcomponent 720 is used to receive or transmit signals. The second radiation sub-element 720 is disposed on the side of the support frame 900 away from the feeding network board 200 , and the orthographic projection of the second radiation sub-element 720 and the first radiation sub-element 710 on the support frame 900 at least partially overlap, so that the signal Transmission between the second radiating sub-component 720 and the first radiating sub-component 710 . In this embodiment, the orthographic projections of the second radiation sub-component 720 and the first radiation sub-component 710 on the support frame 900 overlap, so as to improve signal transmission between the second radiation sub-component 720 and the first radiation sub-component 710 efficiency. In this embodiment, the shapes of the first radiation sub-component 710 and the second radiation sub-component 720 are square. In some other embodiments, the shapes of the first radiation sub-component 710 and the second radiation sub-component 720 may be triangles, rectangles, diamonds, circles, ellipses, regular polygons or other irregular shapes, which are not limited in this application. .

In some embodiments, when there are multiple first radiation sub-components 710 and second radiation sub-components 720 , the plurality of second radiation sub-components 720 may be simultaneously disposed on the same support frame 900 . In some embodiments, there may be multiple support frames 900 , and each support frame 900 is used to support one second radiation sub-component 720 . In some embodiments, one second radiation sub-component 720 may be provided on some support frames 900 , and two or more second radiation sub-components 720 may be provided on other support frames 900 . In some embodiments, two or more second radiation sub-components 720 may be provided on each support frame 900 .

In a possible implementation manner, the support frame 900 is provided with a first opening 910 and a second opening 920 penetrating two opposite surfaces of the support frame 900 . The first opening 910 is disposed between the first radiation sub-piece 710 and the second radiation sub-piece 720 . The second openings 920 are located between two adjacent first openings 910 . The arrangement of the first opening 910 and the second opening 920 is beneficial to reduce the weight of the support frame 900 .

In a possible implementation manner, a clamping structure may be provided at a suitable position of the support frame 900 and the reflection plate 100 , and the support frame 900 is clamped and fixed to the reflection plate 100 through the clamping structure. In some embodiments, the support frame 900 can also be fixed in the reflector 100 by screws, and a first screw hole 901 and a second screw hole 101 are respectively provided at appropriate positions of the support frame 900 and the reflector 100 (as shown in FIG. 1 ). shown), and then pass the screws 102 through the first screw holes 901 and the second screw holes 101 in sequence to connect and fix the support frame 900 and the reflector 100, while the feeding network board 200 is limited and fixed on the support frame 900 and the reflector In the board 100 , the screws 102 pass through the gaps in the feed network board 200 without being electrically connected to the feed network board 200 .

In a possible implementation manner, a support medium 1000 (as shown in FIG. 1 and FIG. 2 ) is provided on the surface of the reflector 100 facing the feeding network board 200 , and the support medium 1000 is located between the reflector 100 and the radiation unit 700 , The supporting medium 1000 is used to support the radiation unit 700 to prevent the radiation unit 700 from being electrically connected to the reflector 100 and thus affecting the transmission characteristics of the signal.

In some embodiments, the supporting medium 1000 may also be disposed between the reflection plate 100 and the feeding network board 200 for supporting the feeding network board 200 to isolate the reflection plate 100 and the feeding network board 200 . The supporting medium 1000 is used to electrically insulate the reflection plate 100 and the feeding network board 200 , so as to prevent the reflection plate 100 from affecting the electrical signal transmission characteristics of the feeding network board 200 .

Please refer to FIG. 1 and FIG. 4 again, in some embodiments, the reflector 100 is further provided with a third opening 103 penetrating the reflector 100 , the antenna 10 further includes a signal adapter 1300 , one end of the signal adapter 1300 It is electrically connected to the signal transmission port 220 through the third opening 103 , and the other end of the signal adapter 1300 is electrically connected to connection devices other than the antenna 10 .

In some embodiments, the antenna 10 further includes a transmission part, and the transmission part is used to drive the sliding medium part 300 to move. In some embodiments, a boss 1400 (as shown in FIG. 5 and FIG. 6 a ) is provided on the side of the reflector plate 100 away from the feeding network board 200 , and the boss 1400 is used to support the antenna 10 or to be connected with an external structure. , so that the antenna 10 is fixedly connected with the external structure.

In order to adapt to different shapes of the feeding network board 200 or other component structures of the antenna 10, the receiving portion 400 can be arranged at any position of the reflector 100, and the shape and quantity are not limited. For details, please refer to the following embodiments.

Referring to FIG. 11 , in some embodiments, the accommodating portion 400 is elongated, and the accommodating portion 400 is located in the middle of the reflector body 110 . Referring to FIG. 12 , in some embodiments, the receiving portion 400 is located at the edge of the reflector body 110 . Referring to FIG. 13 , in some embodiments, the length of the receiving portion 400 along the first direction A is smaller than the length of the reflector body 110 along the first direction A. Wherein, the length of the sliding medium part 300 along the first direction A may be the same as or different from the length of the receiving part 400 along the first direction A; in some embodiments, the length of the sliding medium part 300 along the first direction A may be the same as the length of the first direction A The lengths of an opening 410 along the first direction A are the same or different.

Referring to FIG. 14 , in some embodiments, the accommodating portion 400 is arc-shaped, and the curvature of the arc is not limited and can be set according to actual needs. In this embodiment, correspondingly, the first conductor 210 and the sliding medium portion The 300 is also arc-shaped, and the curvatures of the first conductor 210 and the sliding medium part 300 are adapted to the curvature of the accommodating part 400 , so that the sliding medium part 300 can slide in the accommodating part 400 .

Referring to FIG. 15 , in a possible implementation manner, the cross section 430 of the receiving portion 400 is arc-shaped. The arc shape includes an arc shape or an elliptical arc shape. When the cross section of the receiving portion 400 is an arc shape, the arc of the arc can be set according to actual needs. When the width of the first opening 410 needs to be larger, the width of the receiving portion 400 The radian of the cross section can be set to be small, which is beneficial for the first conductor 210 to be conveniently placed in the accommodating portion 400 . In this embodiment, the cross section 430 of the receiving portion 400 includes an outer surface 431 and an inner surface 432 , wherein the outer surface 431 and the inner surface 432 are both arc-shaped, and at this time, the cross section of the sliding medium portion 300 is adapted to the inner surface 432 arc shape. In some embodiments, the inner surface 432 can be set as a rectangle (as shown in FIG. 16 ), and the portion of the rectangle corresponding to the first opening 410 is not closed. At this time, the cross section of the sliding medium part 300 is the same as the inner surface 432 . The rectangle is adapted so that the sliding medium part 300 can smoothly slide inside the accommodating part 400 . In some embodiments, the inner surface 432 may also be trapezoidal, polygonal, or irregular in shape.

In a possible implementation manner, an insulating medium portion 480 is provided on the wall of the first opening 410 to avoid electrical contact between the first connector 240 and the receiving portion 400 . The wall of the first opening 410 refers to a part of the side wall of the receiving portion 400 corresponding to the first opening 410 .

Referring to FIG. 17 , in a possible implementation manner, the second sidewall 450 is disposed closer to the edge of the reflector body 110 than the first sidewall 440 , and the second sidewall 450 is higher than the first sidewall 440 .

Referring to FIG. 18, in a possible implementation manner, the components constituting the receiving portion 400 include a third side wall 460 and a fourth side wall 470, the third side wall 460 is located on the reflector body 110, and the fourth side wall 470 One end of the third side wall 460 is connected to one end of the third side wall 460 away from the reflector body 110 , and the other end of the fourth side wall 470 extends toward the center of the reflector body 110 . The center of the reflector body 110 is located at the middle portion of the reflector body 110 , or the center of the reflector body 110 is located between the edge portions of the reflector body 110 . In this embodiment, the gap between the other end of the fourth side wall 470 and the reflector body 110 is the first opening 410 . When the other part of the feeding network board 200 is located on the side of the first opening 410 away from the third side wall 460 , the first conductor 210 can smoothly pass through the first opening 410 and enter the interior of the receiving portion 400 .

Referring to FIG. 19 , in some embodiments, an insulating dielectric portion 480 is provided on the side of the reflector 100 facing the fourth side wall 470 , and the insulating dielectric portion 480 is located on a portion of the third sidewall 460 close to the center of the reflector body 110 . The first opening 410 is formed between the insulating medium part 480 and the end of the fourth side wall 470 away from the third side wall 460 , and the insulating medium part 480 can avoid the first connecting member 240 and the reflective plate 100 passing through the first opening 410 Electrical connection, that is to say, the insulating medium portion 480 can play the role of insulating support. The height of the insulating medium portion 480 can be set according to the width of the first opening 410 , which is not limited in this application.

Referring to FIG. 20, in a possible implementation manner, the components constituting the receiving portion 400 include a groove 490, the groove 490 has a bottom 491, the reflector 100 includes a reflector body 110, and the bottom 491 is located on the reflector body 110 away from the feeder One side of the electrical network board 200 . In this embodiment, the opening of the groove 490 is the first opening 410 , and the first opening 410 faces the side of the feeding network board 200 . In this embodiment, the first connecting member 240 is bent from the side of the reflector 100 close to the feeder network board 200 through the first opening 410 to the side of the reflector 100 away from the feeder network board 200 , that is, extends to the side of the reflector 100 away from the feeder network board 200 part 400 to connect the first conductor 210 located in the receiving part 400 . In this embodiment, the flatness of the side of the antenna 10 close to the feeding network board 200 can be improved.

In a possible implementation manner, the sliding medium part 300 is provided in the groove 490 , and the height of the sliding medium part 300 in the depth direction of the groove 490 is greater than the depth of the groove 490 . The depth direction of the groove 490 is the third direction C. That is to say, one end of the sliding medium part 300 away from the bottom 491 protrudes out of the reflector 100 and can be used to support the feeding network board 200 so as to space the first connector 240 from the reflector 100 to avoid electrical contact.

Referring to FIG. 21 , in some embodiments, an insulating medium portion 480 may also be provided at a position of the reflector body 110 adjacent to the groove 490 , and the insulating medium portion 480 is used to support the feeding network board 200 , for example, to support the first The connecting member 240 is used to avoid electrical contact between the feeding network board 200 and the reflector 100 .

Referring to FIG. 22, in a possible implementation manner, the sliding medium portion 300 includes a first sliding medium sub-section 330 and a second sliding medium sub-section 340 that are oppositely disposed, and the first sliding medium sub-section 330 faces the second sliding medium sub-section 330. The surface of the sliding medium sub-section 340 is provided with a first receiving sub-groove 311 , and the surface of the second sliding medium sub-section 340 facing the first sliding medium sub-section 330 is provided with a second receiving sub-groove 312 . The first receiving sub-groove 311 and The second accommodating sub-slots 312 together constitute the accommodating slot 310 , and the first conductors 210 are disposed in the first accommodating sub-slot 311 and the second accommodating sub-slot 312 . This embodiment is favorable for placing the first conductor 210 in the sliding medium part 300. During installation, the first conductor 210 can be placed in the first receiving sub-slot 311 and the second receiving sub-slot 312, and then the first sliding The medium sub-section 330 and the second sliding medium sub-section 340 are pressed together and put into the accommodating section 400 together.

Please refer to FIGS. 23 to 27 , FIG. 23 is a schematic structural diagram of the antenna 10 provided by an embodiment of the application, FIG. 24 is a cross-sectional view taken along the line F-F of FIG. 23 , and FIG. 25 is the feeding network board 200 and the sliding medium in the antenna in this embodiment. Fig. 26 is a schematic diagram of the structure of the reflector 100 and the sliding medium portion 300 viewed from the side of the reflector 100 with the receiving portion 400 in this embodiment, and Fig. 27 is a view from the reflector 100 in this embodiment. 100 is a schematic structural diagram of the reflecting plate 100 , the feeding network board 200 and the sliding medium part 300 viewed from the side away from the receiving part 400 . In this embodiment, the accommodating portion 400 is disposed on the side of the reflector body 110 away from the radiation unit 700 , and the reflector body 110 is provided with a plurality of connecting holes 1200 penetrating two opposite surfaces of the reflector body 110 (as shown in FIG. 26 ). shown), one end of the connecting wire 230 close to the signal transmission port 220 is electrically connected through the connecting hole 1200 , and one end of the second conductor 810 close to the radiation unit 700 is also electrically connected through the connecting hole 1200 . In this embodiment, the connecting wire 230 , the first connecting member 240 , the first conductor 210 , the second connecting member 820 and the second conductor 810 are located on the side of the reflector 100 with the receiving portion 400 , and the other parts of the feeding network board 200 are The part and the radiation unit 700 are located on the side of the reflector 100 away from the receiving part 400 . In this embodiment, the support frame 900 is disposed on the side of the reflector body 110 away from the receiving portion 400 , and other parts of the feeding network board 200 are located between the support frame 900 and the reflector plate 100 . In some other embodiments, the first conductor 210 , the first connecting member 240 and the second connecting member 820 may be only arranged on the side of the reflector 100 with the receiving portion 400 , and other parts of the feeding network board 200 are located on the reflector. 100 is away from the side of the accommodating part 400 .

In a possible implementation manner, the support frame 900 and the second radiation sub-component 720 may also be arranged on the side of the reflector 100 away from the feeding network board 200, and the second radiation sub-component 720 may be arranged on the support frame 900 away from the reflection one side of the board 100 . In this embodiment, the support frame 900 and the second radiating component 720 are located on one side of the reflector 100 , and other parts of the feeding network board 200 are located on the same side as the receiving portion 400 and on the other side of the reflector 100 .

Referring to FIG. 28 , an embodiment of the present application provides a base station 1 including the antenna 10 in any of the above embodiments. The antennas 10 may be multiple, and the multiple antennas 10 are distributed in an array. Each antenna 10 may transmit or receive signals of different frequency bands, or the radiation directions of the corresponding signals are different when each antenna 10 transmits or receives signals of the same frequency band. The base station 1 further includes: a radio frequency processing unit 20 and a baseband processing unit 30 . The baseband processing unit 30 is connected to the feeding network board in the antenna 10 through the radio frequency processing unit 20; the antenna 10 is used to transmit the received wireless signal to the radio frequency processing unit 20, or convert the transmitted signal of the radio frequency processing unit 20 into electromagnetic waves, send out. The radio frequency processing unit 20 is used to perform frequency selection, amplification, and down-conversion processing on the wireless signal received by the antenna 10, and convert it into an intermediate frequency signal or a baseband signal and send it to the baseband processing unit 30, or, for the baseband processing unit 30. The sent baseband signal or intermediate frequency signal is up-converted and amplified, and sent out through the antenna 10 . The baseband processing unit 30 is configured to process the intermediate frequency signal or the baseband signal sent by the radio frequency processing unit 20 .

In one embodiment, the radio frequency processing unit 20 is integrated with the antenna 10, the antenna 10 is installed on a pole 40 or an iron tower, the radio frequency processing unit 20 is integrated with the antenna 10, the baseband processing unit 30 is located at the far end of the antenna 10, and It is connected with the radio frequency processing unit 20 through a cable 50 . In some embodiments, the radio frequency processing unit 20 may be located at the distal end of the antenna 10 at the same time as the baseband processing unit 30.

It should be noted that the above units included in the base station 1 , the functions of the units, and the relationship between the units are merely illustrative, and do not limit the structure of the base station 1 .

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

An antenna, characterized in that the antenna includes a reflector, a feeding network board, and a sliding medium portion; wherein, the reflector includes a receiving portion disposed toward the feeding network board, and the feeding network board is provided with One side of the reflector includes a first conductor, the first conductor and the sliding medium portion are located in the receiving portion, and the sliding medium portion is located between the first conductor and the receiving portion, The accommodating portion has a first opening, and the first conductor, the sliding medium portion, the first opening and the accommodating portion extend in the same direction.
The antenna according to claim 1, wherein the cross-section of the receiving portion is arc-shaped.
The antenna according to claim 1, wherein the reflector includes a reflector body, and the components constituting the receiving portion include a first side wall and a second side wall that are located on the reflector body and are disposed opposite to each other. .
3. The antenna of claim 3, wherein the second sidewall is disposed closer to an edge of the reflector body than the first sidewall, and the second sidewall is closer to the first sidewall than the first sidewall. Side walls are high.
The antenna according to claim 1, wherein the reflector comprises a reflector body, the components constituting the receiving portion comprise a third side wall and a fourth side wall, the third side wall is located on the reflector On the board body, one end of the fourth side wall is connected to the end of the third side wall away from the reflector body, and the other end of the fourth side wall extends toward the center of the reflector body.
The antenna according to claim 1, wherein the component constituting the receiving portion comprises a groove, the groove has a bottom, the reflector comprises a reflector body, and the bottom is located away from the reflector body one side of the feeding network board.
6. The antenna according to claim 6, wherein the sliding medium portion is provided in the groove, and the height of the sliding medium portion in the depth direction of the groove is greater than the depth of the groove.
The antenna according to any one of claims 3-7, wherein the receiving portion is integrally formed with the reflector body.
The antenna according to any one of claims 3-8, wherein an insulating medium portion is provided on the wall of the first opening.
The antenna according to any one of claims 3 to 9, wherein there are two accommodating portions, and the two accommodating portions are located on both sides of the reflector body.
A base station, characterized in that the base station comprises the antenna according to any one of claims 1-10.