Antenna system, large-scale antenna and assembly method thereof

Abstract

The present invention relates to an antenna system, a large-scale antenna and an assembly method thereof, wherein a mounting plate is connected to a side of a reflector away from a radiation unit, and the mounting plate and the reflector are spaced apart, so that the mounting plate is connected to an antenna module to form a mounting structure, and then the mounting structure is mounted on a main device, so that the mounting structure has sufficient rigidity and strength, and the mounting structure as a whole is assembled and connected to the main device. In addition, the strength of the reflector is enhanced by the mounting plate, so that the reflector is prevented from being deformed during installation and transportation, and the passive intermodulation index of the entire large-scale antenna is guaranteed, and the reflector only needs to be able to achieve the radiation performance of the large-scale antenna, and the support strength and installation strength are met by the mounting structure, so that the reflector can be designed to be thinner, which can greatly reduce the mass of the large-scale antenna.

Description

Technical Field

[0001] The present invention relates to the field of mobile communication technology, and in particular to an antenna system, a large-scale antenna and an assembly method thereof. Background Art

[0002] Large-scale antennas have a complex structure due to the large number of radiating units, reflection boundaries, phase shift networks, transmission mechanisms, antenna connection plates, etc. At the same time, in order to facilitate the installation of various components, the reflector needs to be designed to be larger, and various avoidance or hollowing designs need to be made on the reflector, which reduces the strength of the reflector and makes it easy to deform, affecting the passive intermodulation index of the entire large-scale antenna. Summary of the invention

[0003] Based on this, it is necessary to provide an antenna system, a large-scale antenna and an assembly method thereof to address the problem that the strength of the reflector decreases, it is easy to deform, and affects the passive intermodulation index of the entire large-scale antenna.

[0004] The technical solution is as follows:

[0005] In one aspect, a large-scale antenna is provided, comprising:

[0006] An antenna module, the antenna module comprising a reflector and a radiation unit disposed on the reflector; and

[0007] A mounting plate is arranged on a side of the reflector away from the radiation unit, the mounting plate and the reflector are spaced apart and connected to each other.

[0008] The technical solution is further described below:

[0009] In one of the embodiments, the mounting plate and the reflector are spaced apart to form a spacer cavity, and the large-scale antenna further comprises a phase shift component electrically connected to the radiation unit, and the phase shift component is disposed in the spacer cavity.

[0010] In one of the embodiments, the mounting plate is provided with an avoidance groove, and the large-scale antenna further includes a driving mechanism, which is arranged on a side of the mounting plate away from the reflecting plate, and the driving mechanism is transmission-connected to the phase shifting assembly through the avoidance groove to drive the phase shifting assembly to perform phase adjustment.

[0011] In one of the embodiments, the antenna module further includes a feeding network, which is disposed on a side of the reflector away from the mounting plate, and the radiating unit is fed through the feeding network.

[0012] In one of the embodiments, the large-scale antenna further includes a support member, which is disposed between the reflector and the mounting plate, and opposite ends of the support member are respectively connected to the reflector and the mounting plate.

[0013] In one of the embodiments, the large-scale antenna further includes a filling layer, wherein the filling layer is filled between the reflecting plate and the mounting plate to support the reflecting plate and the mounting plate so that the reflecting plate and the mounting plate are spaced apart from each other.

[0014] In one embodiment, there are at least two reflecting plates and at least two radiating units, each reflecting plate is provided with at least one radiating unit, and at least two reflecting plates are provided corresponding to one mounting plate, and at least two reflecting plates are connected to the mounting plate.

[0015] In one of the embodiments, at least two of the reflection plates are detachably connected to the mounting plate.

[0016] In one embodiment, at least two of the reflection plates are provided with isolation flanges on opposite sides for forming an electromagnetic boundary.

[0017] On the other hand, an antenna system is provided, including a main device and the large-scale antenna, wherein the mounting plate is connected to the main device.

[0018] In another aspect, a method for assembling a large-scale antenna is provided, comprising the following steps:

[0019] Installing a radiation unit on a reflector so that the radiation unit cooperates with the reflector to form a modular antenna module;

[0020] The mounting plate is connected to a side of the reflector plate facing away from the radiation unit, and the mounting plate and the reflector plate are spaced apart, so that the mounting plate is connected to the antenna module to form a mounting structure.

[0021] The antenna system, large-scale antenna and assembly method of the above-mentioned embodiment install the radiation unit on the reflector, so that the radiation unit and the reflector are assembled and matched to form a modular antenna module, which can realize modular design or assembly, and can not only simplify the installation structure, but also improve the assembly efficiency. In addition, the mounting plate is connected to the side of the reflector away from the radiation unit, and the mounting plate and the reflector are arranged at intervals, so that the mounting plate and the antenna module are connected to form a mounting structure, and then the mounting structure is installed on the main device, so that the mounting structure has sufficient rigidity and strength, and the mounting structure is assembled and connected to the main device as a whole. In addition, the strength of the reflector is strengthened by the mounting plate, which can avoid the deformation of the reflector during installation and transportation, ensure the passive intermodulation index of the entire large-scale antenna, and also make the reflector only need to be able to achieve the radiation performance of the large-scale antenna. The support strength and installation strength are met by the mounting structure, so that the reflector can be designed to be thinner, which can greatly reduce the mass of the large-scale antenna. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 A schematic diagram of the structure of a large-scale antenna according to an embodiment;

[0025] Figure 2 for Figure 1 Schematic diagram of the structure of the large-scale antenna from another perspective;

[0026] Figure 3 for Figure 1 A schematic diagram of assembling an antenna module and a mounting plate of a large-scale antenna;

[0027] Figure 4 for Figure 1 An exploded view of the antenna module and mounting plate of the large-scale antenna from one perspective;

[0028] Figure 5 for Figure 1 An exploded view of the antenna module and mounting plate of the large-scale antenna from another perspective.

[0029] Description of reference numerals:

[0030] 10. Large-scale antenna; 100. Antenna module; 110. Reflector; 111. Isolation flange; 120. Radiating unit; 200. Mounting plate; 210. Avoidance groove; 300. Mounting structure; 400. Spacer cavity; 500. Phase shifting assembly; 600. Driving mechanism; 610. Servo motor; 620. Screw; 630. Nut; 640. Moving plate. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0032] like Figure 1 and Figure 2 As shown, in one embodiment, an antenna system (AAS, Active Antenna System) is provided, including a large-scale antenna and a main device (not shown). The large-scale antenna is installed on the main device and electrically connected to the main device.

[0033] Specifically, the large-scale antenna 10 includes an antenna module 100 and a mounting plate 200 .

[0034] Combination Figure 3 and Figure 4 As shown, the antenna module 100 includes a reflection plate 110 and a radiation unit 120 .

[0035] Specifically, the radiation unit 120 is mounted on the reflector 110 by means of snap-fitting, plugging or bonding. In order to facilitate the explanation of the principle of the embodiment of the present application, the side of the reflector 110 on which the radiation unit 120 is mounted is defined as the front side, and the other side opposite to the front side is defined as the back side, which shall not be construed as a limitation on the embodiment of the present application.

[0036] like Figure 3 and Figure 4 As shown, the antenna module 100 further includes a feeding network. The feeding network is installed on the side of the reflector 110 away from the mounting plate 200 by plugging, bonding or welding, that is, the feeding network is installed on the front of the reflector 110. At the same time, the radiating unit 120 is fed by the feeding network, so that the electrical signal can be transmitted to the radiating unit 120 through the feeding network and radiated out.

[0037] like Figures 1 to 5As shown, the mounting plate 200 is disposed on the side of the reflector 110 away from the radiation unit 120, that is, the mounting plate 200 is located on the back of the reflector 110. Figure 3 As shown, the mounting plate 200 and the reflecting plate 110 are spaced apart, that is, a spacer cavity 400 is formed between the mounting plate 200 and the reflecting plate 110. Figure 3 As shown, the mounting plate 200 and the reflector 110 are connected to each other to form a mounting structure 300. In this way, the mounting structure 300 has sufficient rigidity and strength, and the mounting structure 300 is assembled and connected with the main device as a whole, that is, the mounting plate 200 is assembled and connected with the main device to achieve signal interaction with the radiation unit 120. In addition, the mounting plate 200 is used to strengthen the strength of the reflector 110, which can prevent the reflector 110 from being deformed during installation and transportation, and ensure the passive intermodulation index of the entire large-scale antenna 10.

[0038] At the same time, the radiation unit 120 is installed on the reflection plate 110, so that the radiation unit 120 and the reflection plate 110 are assembled and matched to form a modular antenna module 100, which can realize modular design or assembly, not only simplifying the installation structure but also improving assembly efficiency. In addition, the mounting plate 200 is connected to the side of the reflecting plate 110 facing away from the radiation unit 120, and the mounting plate 200 and the reflecting plate 110 are spaced apart, so that the mounting plate 200 is connected to the antenna module 100 to form a mounting structure 300, and then the mounting structure 300 is installed on the main device, so that the reflecting plate 110 only needs to be able to achieve the radiation performance of the large-scale antenna 10, and the supporting strength and installation strength are met by the mounting structure 300, so that the reflecting plate 110 can be designed to be thinner (in order to meet sufficient supporting strength and installation strength, the thickness of the traditional reflecting plate 110 needs to reach 1.5 mm or more), for example, it can be designed to be 0.5 mm to meet the use requirements, which can greatly reduce the mass of the large-scale antenna 10. Optionally, the reflecting plate 110 of the embodiment of the present application can be in the form of a thin-walled aluminum alloy plate.

[0039] like Figure 3 and Figure 4As shown, further, the large-scale antenna 10 also includes a phase shift component 500 electrically connected to the radiation unit 120, and the phase of the radiation unit 120 is adjusted by the phase shift component 500. Among them, the phase shift component 500 is arranged in the spacer cavity 400. Such an arrangement can not only improve the space utilization rate, but also help to simplify the structure of the large-scale antenna 10, and the phase shift component 500 is arranged between the relatively arranged reflector 110 and the mounting plate 200, which can greatly reduce the demand for assembly space when the mounting plate 200 is assembled and connected with the main device. The traditional way is to assemble and connect the back side of the traditional reflector 110 with the main device, and arrange the phase shift component 500 on the back side of the traditional reflector 110. Due to the compatibility of components, it is necessary to reserve an installation height space of 15mm to 20mm. The large-scale antenna 10 of the embodiment of the present application sets the phase shift component 500 in the spacing cavity 400, and then assembles and connects the mounting plate 200 with the main device. It will not be affected by the compatibility of components and only requires an installation height space of 5mm to 10mm, which can greatly reduce the demand for installation space, is conducive to the thinning of the thickness of the large-scale antenna 10 and the simplification of the structure. In addition, the overall structural strength of the large-scale antenna 10 is good, and the passive intermodulation index is more stable.

[0040] The phase shifting component 500 may be an existing cavity-type phase shifter or other structure capable of adjusting the phase of the radiation unit 120 .

[0041] like Figure 2 As shown, further, the mounting plate 200 is provided with an avoidance groove 210, and the large-scale antenna 10 further includes a driving mechanism 600. The driving mechanism 600 is arranged on a side of the mounting plate 200 away from the reflector 110, and the driving mechanism 600 is transmission-connected with the phase shifting component 500 through the avoidance groove 210, so that the driving mechanism 600 drives the phase shifting component 500 to adjust the phase of the radiation unit 120.

[0042] like Figure 2 As shown, specifically, the driving mechanism 600 includes a servo motor 610, a screw rod 620, a nut 630 and a moving plate 640. The screw rod 620 is arranged along the extension direction of the avoidance groove 210. The rotation output end of the servo motor 610 is connected to the screw rod 620 to drive the screw rod 620 to rotate (forward or reverse). The nut 630 is sleeved on the outer wall of the screw rod 620. The nut 630 is connected to the moving plate 640, and the moving plate 640 is connected to the phase shifting assembly 500 through the avoidance groove 210. When the screw rod 620 rotates, it can drive the nut 630 to move along the axial direction of the screw rod 620, and then synchronously drive the moving plate 640 to move along the axial direction of the screw rod 620, and then synchronously drive the phase shifting assembly 500 to adjust the phase of the radiation unit 120.

[0043] The servo motor 610 can be fixedly mounted on the side of the mounting plate 200 away from the reflector 110 by screwing or clamping. The moving plate 640 can be provided with a transmission pin passing through the avoidance groove 210 and connected to the phase shifting assembly 500 to drive the phase shifting assembly 500.

[0044] The connection between the mounting plate 200 and the reflective plate 110 can be achieved by plugging or screwing, etc., as long as a stable and reliable mounting structure 300 can be formed and the mounting plate 200 and the reflective plate 110 are spaced apart to form a spacing cavity 400.

[0045] In one embodiment, the large-scale antenna 10 further includes a support member (not shown). The support member is disposed between the reflector 110 and the mounting plate 200, and opposite ends of the support member are respectively connected to the reflector 110 and the mounting plate 200, that is, one end of the support member is connected to the reflector 110, and the other opposite end of the support member is connected to the mounting plate 200, so that the reflector 110 and the mounting plate 200 are connected by the support member, and the reflector 110 and the mounting plate 200 are supported by the support member so that the reflector 110 and the mounting plate 200 are spaced apart.

[0046] Among them, the support member can be in the form of a support bar, a support pin, etc., and the support member can be connected to the reflector 110 by plugging, screwing or snapping, and the support member can also be connected to the mounting plate 200 by plugging, screwing or snapping.

[0047] In another embodiment, the large-scale antenna 10 further includes a filling layer (not shown), wherein the filling layer is filled between the reflector 110 and the mounting plate 200, so that the reflector 110 and the mounting plate 200 are supported by the filling layer, thereby making the reflector 110 and the mounting plate 200 spaced apart.

[0048] Specifically, the filling layer can be made of dielectric materials such as foamed plastics, which have good filling and supporting effects.

[0049] like Figure 1 As shown, in actual application, there are at least two reflectors 110 and at least two radiation units 120. Among them, each reflector 110 is provided with at least one radiation unit 120. Moreover, at least two reflectors 110 are provided corresponding to one mounting plate 200, and at least two reflectors 110 are connected to the mounting plate 200. In this way, each radiation unit 120 is assembled on the corresponding reflector 110 to form at least two antenna modules 100, and then the reflectors 110 of each antenna module 100 are assembled and connected with the same mounting plate 200, and then the entire mounting plate 200 is assembled and connected with the main device to complete the assembly, and the assembly efficiency is high.

[0050] The number of radiation units 120 on each reflector 110 can be flexibly designed or adjusted according to actual use requirements.

[0051] Optionally, at least two reflective plates 110 may be arranged along a certain side length direction of the mounting plate 200 (eg Figure 1 and Figure 2 The reflective plates 110 are arranged as shown in the A direction, wherein a certain gap may be maintained between two adjacent reflective plates 110, or the reflective plates 110 may be fitted together.

[0052] Furthermore, at least two reflective plates 110 are detachably connected to the mounting plate 200. In this way, the antenna index of the large-scale antenna 10 can be quickly repaired by replacing the antenna module 100, which is simple and convenient.

[0053] Specifically, the detachable connection between the reflector 110 and the mounting plate 200 can be realized by plugging or screwing. For example, a plug is provided on the mounting plate 200, and a corresponding socket is provided on the reflector 110. The assembly connection between the reflector 110 and the mounting plate 200 is realized by plugging and matching the plug and the socket. The reflector 110 and the mounting plate 200 can be separated by simply pulling the plug out of the socket, thereby realizing the replacement of the antenna module 100.

[0054] like Figures 3 to 5 As shown, at the same time, at least two opposite sides of the reflection plates 110 are provided with isolation flanges 111 for forming an electromagnetic boundary. In this way, the radiation units 120 on the two adjacent reflection plates 110 can be isolated without interfering or affecting each other. The traditional method is to provide corresponding isolation plates on the traditional reflection plates 110 in the form of plug-in, which not only leads to too many components, but also has a complex structure and cumbersome assembly. The embodiment of the present application forms isolation flanges 111 by bending the two sides of the reflection plates 110 of each antenna module 100 to isolate the radiation units 120 on the two adjacent reflection plates 110. This is simple and convenient, reduces components, simplifies the structure, is easy to assemble, and improves the passive intermodulation index of the large-scale antenna 10.

[0055] The isolation flange 111 can be formed integrally with the reflector 110 by die casting or the like, which is simple, convenient and saves processing cost. Specifically, the isolation flange 111 can extend in a direction away from the mounting plate 200 .

[0056] Of course, in the radiation units 120 on the same reflector 110 , a corresponding isolation plate may also be disposed between two adjacent radiation units 120 .

[0057] In one embodiment, a method for assembling a large-scale antenna 10 is also provided, comprising the following steps:

[0058] S100, installing the radiation unit 120 on the reflection plate 110, so that the radiation unit 120 cooperates with the reflection plate 110 to form a modular antenna module 100;

[0059] S200 , connecting the mounting plate 200 to the side of the reflector 110 facing away from the radiation unit 120 , and setting the mounting plate 200 and the reflector 110 at a distance, so that the mounting plate 200 and the antenna module 110 are connected to form a mounting structure 300 .

[0060] The assembly method of the large-scale antenna 10 of the above embodiment is to install the radiation unit 120 on the reflector 110, so that the radiation unit 120 and the reflector 110 are assembled and matched to form a modular antenna module 100, which can realize modular design or assembly, not only simplify the installation structure, but also improve the assembly efficiency. In addition, the mounting plate 200 is connected to the side of the reflector 110 away from the radiation unit 120, and the mounting plate 200 and the reflector 110 are arranged at intervals, so that the mounting plate 200 and the antenna module 100 are connected to form a mounting structure 300, and then the mounting structure 300 is installed on the main device, so that the mounting structure 300 has sufficient rigidity and strength, and the mounting structure 300 is assembled and connected with the main device as a whole. In addition, by using the mounting plate 200 to strengthen the strength of the reflector 110, deformation of the reflector 110 during installation and transportation can be avoided, the passive intermodulation index of the entire large-scale antenna 10 is ensured, and the reflector 110 only needs to achieve the radiation performance of the large-scale antenna 10. The supporting strength and installation strength are met by the mounting structure 300, so that the reflector 110 can be designed to be thinner, which can greatly reduce the mass of the large-scale antenna 10.

[0061] It should be noted that "some body" or "some part" can be a part of the corresponding "component", that is, "some body" or "some part" can be integrally formed with the "other parts of the component"; it can also be an independent component that can be separated from the "other parts of the component", that is, "some body" or "some part" can be manufactured independently and then combined with the "other parts of the component" into a whole. The expression of the above-mentioned "some body" or "some part" in this application is only one of the embodiments, for the convenience of reading, and not to limit the scope of protection of this application. As long as it contains the above-mentioned features and has the same function, it should be understood as an equivalent technical solution of this application.

[0062] It should be noted that the components included in the "unit", "assembly", "mechanism" and "device" of this application can also be flexibly combined, that is, modular production can be carried out according to actual needs to facilitate modular assembly. The division of the above components in this application is only one of the embodiments, for the convenience of reading, and not to limit the scope of protection of this application. As long as the above components are included and have the same functions, it should be understood that it is an equivalent technical solution of this application.

[0063] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. The term "and / or" used in the present invention includes any and all combinations of one or more related listed items.

[0064] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0065] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0066] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0067] It should be noted that when an element is referred to as being "fixed on", "set on", "fixed on" or "installed on" another element, it can be directly on the other element or there can be a central element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be a central element at the same time. Further, when an element is considered to be "fixed transmission connected" to another element, the two can be fixed in a detachable connection manner or in a non-detachable connection, as long as power transmission can be achieved, such as socketing, snap-on, one-piece molding fixation, welding, etc., which can be achieved in the prior art and will not be repeated here. When an element is perpendicular or approximately perpendicular to another element, it means that the ideal state of the two is vertical, but due to the influence of manufacturing and assembly, there may be a certain vertical error. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0068] It should also be understood that when explaining the connection relationship or positional relationship of elements, although not explicitly described, the connection relationship and positional relationship are interpreted as including an error range, which should be within the acceptable deviation range of a specific value determined by those skilled in the art. For example, "approximately", "approximately" or "substantially" may mean within one or more standard deviations, which are not limited here.

[0069] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0070] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for those of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A large-scale antenna, characterized in that: include: An antenna module, the antenna module comprising a reflector and a radiation unit disposed on the reflector; and A mounting plate, wherein the mounting plate is arranged on a side of the reflector away from the radiation unit, the mounting plate and the reflector are spaced apart and connected to the reflector; the mounting plate and the reflector are spaced apart to form a spacer cavity, the large-scale antenna further comprises a phase shift component electrically connected to the radiation unit, and the phase shift component is arranged in the spacer cavity.

2. The large-scale antenna according to claim 1, characterized in that: The mounting plate and the reflecting plate are connected to each other to form a mounting structure.

3. The large-scale antenna according to claim 1, characterized in that: The mounting plate is provided with an avoidance groove, and the large-scale antenna further comprises a driving mechanism, which is arranged on a side of the mounting plate away from the reflecting plate, and the driving mechanism is transmission-connected to the phase shifting assembly through the avoidance groove to drive the phase shifting assembly to perform phase adjustment.

4. The large-scale antenna according to claim 1, characterized in that: The antenna module further comprises a feeding network, which is arranged on a side of the reflection plate away from the mounting plate, and the radiation unit is fed through the feeding network.

5. The large-scale antenna according to claim 1, characterized in that: The large-scale antenna further includes a support member, which is disposed between the reflector and the mounting plate, and opposite ends of the support member are respectively connected to the reflector and the mounting plate.

6. The large-scale antenna according to claim 1, characterized in that: The large-scale antenna further includes a filling layer, which is filled between the reflecting plate and the mounting plate to support the reflecting plate and the mounting plate so that the reflecting plate and the mounting plate are spaced apart from each other.

7. The large-scale antenna according to any one of claims 1 to 6, characterized in that: There are at least two reflecting plates and at least two radiating units, each reflecting plate is provided with at least one radiating unit, and at least two reflecting plates are provided corresponding to one mounting plate, and at least two reflecting plates are connected to the mounting plate.

8. The large-scale antenna according to claim 7, characterized in that: At least two of the reflection plates are detachably connected to the mounting plate.

9. The large-scale antenna according to claim 7, characterized in that: At least two of the reflecting plates are provided with isolating flanges on opposite sides for forming an electromagnetic boundary.

10. An antenna system, characterized in that: It comprises a main device and the large-scale antenna as claimed in any one of claims 1 to 9, wherein the mounting plate is connected to the main device.

11. A method for assembling a large-scale antenna, characterized in that: The following steps are involved: Installing a radiation unit on a reflector so that the radiation unit cooperates with the reflector to form a modular antenna module; The mounting plate is connected to a side of the reflector plate facing away from the radiation unit, and the mounting plate and the reflector plate are spaced apart, so that the mounting plate is connected to the antenna module to form a mounting structure.

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