KR102519967B1 - Rf module, rf module assembly and antenna apparatus including the same - Google Patents

Abstract

The present invention relates to an RF module for an antenna and an antenna device including the same, and in particular, an RF filter arranged on the front surface of a main board, a radiating element module disposed on the front surface of the RF filter, and between the RF filter and the radiating element module At least one reflector grill pin and the RF filter disposed to ground the radiating element module and to introduce outside air from the front of the RF filter to the rear or to discharge outside air from the rear of the RF filter to the front. Coupled to the front of the, by including a radome cover for protecting the radiating element module from the outside, it provides the advantage of greatly improving the overall heat dissipation performance.

Description

RF module for antenna, RF module assembly and antenna device including the same

The present invention relates to an RF module for an antenna, an RF module assembly, and an antenna device including the same, and more particularly, completely separates a radiating element module and an RF element from a main board, but arranges them so as to be exposed to the outside air in front of the rear of the antenna housing. In addition, by making it easy to dissipate heat in all directions, including the front and side, an RF module for an antenna, an RF module assembly, and an antenna device including the same that can solve the heat dissipation design difficulty in the front side equipped with a conventional radiating element it's about

Base station antennas, including repeaters used in mobile communication systems, have various shapes and structures, and generally have a structure in which a plurality of radiating elements are properly disposed on at least one reflector erected in the longitudinal direction.

Recently, studies are being actively conducted to achieve a compact, lightweight, and low-cost structure while satisfying high-performance requirements for a multiple-input-output (MIMO)-based antenna. In particular, in the case of an antenna device to which a patch-type radiating element for implementing linear polarization or circular polarization is applied, a radiating element made of a dielectric substrate of plastic or ceramic material is usually plated and coupled to a PCB (printed circuit board) through soldering. method is widely used.

1 is an exploded perspective view showing an example of an antenna device according to the prior art.

As shown in FIG. 1, the antenna device 1 according to the prior art is directed toward the front side of the antenna housing body 10, which is the beam output direction, so that a plurality of radiating elements 35 are output in a desired direction to facilitate beam forming. For protection from the external environment, a radome 50 is mounted on the front end of the antenna housing body 10 with a plurality of radiating elements 35 interposed therebetween.

More specifically, the antenna device 1 according to the prior art includes an antenna housing body 10 having a shape of a thin rectangular parallelepiped housing with an open front surface and having a plurality of heat dissipation fins 11 integrally formed on the rear surface thereof, and an antenna housing It includes a main board 20 stacked on the rear side of the inside of the main body 10 and an antenna board 30 stacked on the front side of the inside of the antenna housing body 10 .

On the front of the antenna board 30, patch-type radiating elements or dipole-type radiating elements 35 are mounted, and on the front of the antenna housing body 10, while protecting each part inside from the outside, the radiating elements ( A radome 50 for smooth radiation from 35 may be installed.

However, in one example (1) of the antenna device according to the prior art, the front portion of the antenna housing body 10 is entirely shielded by a single radome 50, and the radome 50 prevents heat dissipation of the antenna device. become an impediment. Here, when the radome 50 is removed and the radiating elements 35 are exposed to the outside, the antenna board 30 is inevitably exposed to the outside, so protection from the external environment is inevitably insufficient.

In addition, the antenna board 30 is also made of FR-4 material, which is a general PCB material with low thermal conductivity, and the front of the installation space (not shown) where the main board, which is a space with a lot of heat, is installed, like the radome 50 There is a problem in that it is difficult to convert the heat dissipation design to the front in that it is completely shielded.

For this reason, not only digital elements but also analog amplification elements must be intensively mounted on the rear surface of the front and rear surfaces of the main board, which is in the direction of heat dissipation. there is

The present invention has been made to solve the above technical problem, by disposing the antenna RF module in the front so that it is exposed to the outside air, the system heat is distributed in all directions including the front and side directions as well as the rear of the antenna housing. Its object is to provide an RF module for an antenna, an RF module assembly, and an antenna device including the same, which can greatly improve heat dissipation performance by enabling it.

In addition, the present invention, as well as performing the ground function of the radiating elements, an antenna RF module including a plurality of ground blade fins that simultaneously perform a reflector function to block signal interference with rear electric elements, and an antenna including the same Another purpose is to provide a device.

In addition, the present invention is for an antenna including a plurality of RF modules that are easily modularly assembled in a front housing that divides the installation space of the main board and the front outdoor air space by modularizing a unit RF filter, a unit radiating element module, and a unit radome cover. Another object is to provide an RF module, an RF module assembly, and an antenna device including the same.

In addition, the present invention provides an antenna capable of simplifying the design of the front and rear components of the main board by providing the amplifier elements and the surge board conventionally mounted on the main board to be completely separated from the installation space where the main board is installed or to be spaced apart from the main board. Another object is to provide an antenna device including an RF module, an RF module assembly, and the same for the RF module.

The technical problems of the present invention are not limited to the problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

One embodiment of the RF module for an antenna according to the present invention is disposed between an RF filter, a radiating element module disposed in front of the RF filter, and the RF filter and the radiating element module to ground (GND) the radiating element module. In addition, at least one reflector grill pin for introducing external air from the front of the RF filter to the rear or discharging external air from the rear of the RF filter to the front and coupled to the front of the RF filter, the radiating element module to the outside It includes a radome cover that protects against

Here, the at least one reflector grill pin may be integrally molded with the RF filter.

In addition, the RF filter includes a filter body having a plurality of cavities opened forward, and at least one resonance bar disposed inside the cavity, and the reflector grill fins have upper and lower sides along a front edge of the filter body. , Doedoe extended in the outer direction of the left and right sides, each may be arranged to have a predetermined separation distance.

In addition, the reflector grill pin may perform a reflector function together with an outer panel disposed to shield the front surface of the filter body.

In addition, the distance between the reflector grill pins may be set in consideration of the arrangement distance of the radiating element included in the radiating element module.

In addition, the RF filter and the reflector grill pin may be integrally manufactured by a die-casting mold method using a molding material of a metal component.

Also, some of the reflector grill pins may extend to overlap each other with reflector grill pins formed on adjacent RF filters in the left and right directions.

In addition, some of the reflector grill pins may extend vertically and vertically to be in line with reflector grill pins formed in adjacent RF filters in the vertical direction.

In addition, when the operating frequency wavelength is λ, the distance between the reflector grill fins may be set to have a range of 0.05λ or more and 0.1λ or less.

In addition, the RF filter includes a filter body having a plurality of cavities open forward, at least one resonance bar disposed inside the cavity, and a filter outer panel disposed to shield the front surface of the filter body, and the radiation The element module may be seated and coupled to the inside of the filter body to cover the entire surface of the filter outer panel.

In addition, a plurality of hook coupling parts are formed at an edge of the radome cover, and the radome cover may be hook-coupled by an operation in which the hook coupling unit is coupled to a stepped portion of the filter body.

In addition, the hook coupling part may be coupled to a stepped portion of the filter body by penetrating between the reflector grill pins.

In addition, the radome cover may be coupled to the filter body while hiding the radiating element module from the outside.

In addition, the radiating element module is disposed in close contact with the front surface of the RF filter, and is formed of a printed circuit board for a radiating element and a conductive metal material having an antenna patch circuit unit and a power supply line for generating at least one polarized wave among double polarized waves, A radiation director electrically connected to the antenna patch circuit of the printed circuit board for the radiating element, and the radiation director may be detachably coupled to the rear surface of the radome cover and then connected to the printed circuit board for the radiating element. there is.

In addition, on the rear surface of the radome cover, a plurality of coupling protrusions coupled to the radiation director are formed to protrude rearward, and a plurality of coupling protrusions are formed to penetrate back and forth so that the plurality of coupling protrusions are penetrated and coupled to the radiation director. A hole may be formed.

In addition, it further includes an amplification element module disposed between the main board of the antenna device and the RF filter and having at least one analog amplification element mounted thereon, wherein the amplification element module receives signals from the main board and the RF filter. Each of the signals of can be received and outputted after being amplified by a predetermined value.

In addition, the amplification element module is seated inside the amplification unit body having a substrate seating space with one side or the other side opened in the width direction and the inside of the amplification unit body, the front end of the rim is signal-connected to the RF filter, and the rear end of the rim is connected to the RF filter. It may include an amplification unit substrate signal-connected to the main board and an amplification unit cover provided to cover the amplification unit substrate.

In addition, the amplification unit board may be coupled to the RF filter through a feed-through pin via a through-pin terminal, and coupled to the main board through a socket pin.

In addition, at least one socket part for being coupled with a socket pin to the main board may be provided on the amplification part substrate.

In addition, the amplification unit substrate is tightly coupled to the inner surface of the amplification unit body, and a plurality of amplification unit heat sink fins are integrated on the outer surface of the amplification unit body to dissipate heat generated from the amplification unit substrate to the external space. can be formed as

In addition, at least one of a PA element and an LNA element may be mounted on the amplification unit substrate as the analog amplification element.

In addition, the RF filter and the radiating element module may be coupled via a through-pin feed via a through-pin terminal.

Antenna RF module assembly according to an embodiment of the present invention, a plurality of RF filters arranged on the front surface of the main board, a plurality of radiating element modules each disposed on the front surface of the plurality of RF filters, the plurality of RF filters and the It is disposed between a plurality of radiating element modules to ground (GND) the radiating element modules, and to allow outside air to flow from the front to the rear of each of the plurality of RF filters or to discharge outside air from the rear to the front of the RF filters. It includes at least one reflector grill pin and a plurality of radome covers coupled to the front surface of each of the plurality of RF filters and protecting the plurality of radiating element modules from the outside.

An antenna device according to an embodiment of the present invention includes a main board on which at least one digital element is mounted on the front or rear surface, a rear housing formed of an enclosure formed so that the front of the installation space in which the main board is installed is opened, and the rear housing. A front housing disposed to shield the opened front, but partitioning the installation space and the external space of the rear housing, and an RF module assembly disposed in front of the front housing and connected to the main board through an electrical signal line, , The RF module assembly is disposed between a plurality of RF filters arranged on the front surface of the main board, a radiating element module disposed on the front surface of each of the RF filters, and the plurality of RF filters and the radiating element module, respectively, In addition to grounding the element module, at least one reflector grill pin and the plurality of RF filters allow outside air to flow in from the front to the rear of each of the RF filters or to discharge outside air from the rear to the front of each of the RF filters. It is coupled to each front and includes a plurality of radome covers that protect the plurality of radiating element modules from the outside.

Here, the surge substrate part is disposed to be spaced apart from the rear of the main board in the installation space of the rear housing, and is disposed in close contact with the front surface of the rear housing, and is arranged to have the same front surface as the main board in the installation space of the rear housing. However, a PSU board part disposed above the main board may be further included, and the surge board part, the PSU board part, and the PSU board part and the main board may be electrically connected via at least one bus bar, respectively.

In addition, a plurality of heat dissipation fins may be integrally formed on the front surface of the front housing.

In addition, at least one female socket portion to be coupled to the RF filter and the socket pin may be formed on the front surface of the main board.

In addition, an RFIC board part disposed in the installation space of the rear housing to be spaced apart from the front of the main board and closely attached to the rear surface of the front housing, wherein the RFIC board part includes an FPGA element mounted on the main board. RFIC elements corresponding to may be mounted and arranged.

In addition, the heat generated from the RFIC elements may be thermally conducted and dissipated by being in thermal contact with the front housing.

In addition, the front ends of the plurality of RF modules are positioned further forward from the rim of the front housing, coupled to the rim of the front housing, and wrapped around the sides of the plurality of RF modules disposed at the outermost part. It may further include at least one ventilation panel provided.

In addition, a plurality of ventilation holes having a predetermined size may be formed in the ventilation panel.

According to an embodiment of an antenna RF module, an RF module assembly, and an antenna device including the same according to the present invention, the following various effects can be achieved.

First, by spatially separating the heat generated from the heating elements of the antenna device, it is possible to dissipate heat in all directions including the front and rear as well as the rear with respect to the antenna housing, thereby greatly improving heat dissipation performance. .

Second, by changing the design of the existing single radome, which prevents heat dissipation to the front of the antenna, into a unit radome that is combined for each RF module, it has the effect of removing heat dissipation obstacles and protecting the radiating element module more effectively.

Third, the RF-related amplification elements, which were conventionally centrally mounted on the main board, are changed to an RF module together with an RF filter, and the outdoor space is placed outside the front, thereby greatly improving the overall heat dissipation performance of the antenna device.

Fourth, by separating the RF-related amplification elements (particularly, the RFIC board) from the main board, the number of layers of the main board, which is a multi-layer board, is greatly reduced, thereby reducing the manufacturing cost of the main board.

Fifth, by configuring RF-related parts having frequency dependence into an RF module and making them detachable from the main board, when defects or damage to individual RF-related parts constituting the antenna device occur, the corresponding RF module Since only can be replaced, it has an effect of easy maintenance for the antenna device.

Sixth, since it is possible to dissipate heat from the antenna device, it is possible to reduce the length and volume of the heat sink (radiation fin) integrally formed in the rear housing, so that the slim design of the product as a whole has an easy effect.

Seventh, by completely separating the RF filter and the amplifier module in the forward and backward directions during the configuration of the RF module, mutual thermal effects can be minimized.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is an exploded perspective view showing an example of an antenna device according to the prior art;
2 is a perspective view showing an antenna device according to an embodiment of the present invention;
Figure 3 is an exploded perspective view of Figure 2,
Figure 4 is an exploded perspective view for explaining the attachment and detachment of the RF module assembly to the front housing,
5 is an exploded perspective view showing a state in which the front housing and the rear housing are separated;
6 is an exploded perspective view showing the assembly of the front housing to the rear housing;
7 is a perspective view showing a state in which a ventilation panel is removed from the configuration of FIG. 2;
8a and 8b are exploded perspective views showing the assembly relationship of various boards to the rear housing;
9 is an exploded perspective view showing a coupling state of a surge board unit in the configuration of FIG. 2;
10 is an exploded perspective view showing a coupling position of the RFIC board unit in the configuration of FIG. 2;
11 is an exploded perspective view showing a state in which the RFIC board part of FIG. 10 is coupled to the rear surface of the front housing;
12 is a perspective view and a partially enlarged view showing the shape and arrangement of ground wing fins among the configurations of the RF module of FIG. 2;
13 is a partially enlarged perspective view showing the arrangement relationship of reflector grill pins;
14 is an exploded perspective view showing the installation of the front housing of the RF module among the configurations of FIG. 2;
15 is an enlarged perspective view showing the front side of the front housing to which the RF module is attached and detachable and the rear side of the RF module;
16 is a cutaway perspective view showing a coupling state of an RF module to a main board;
17 is a perspective view showing a unit RF module in the configuration of FIG. 2;
18 is an exploded perspective view of FIG. 17;
19a to 19d are exploded perspective views showing installation of a front module and a rear module during configuration of an RF module;
20 is an exploded perspective view showing the installation of a radome during the configuration of an RF module;
Figures 21a and 21b is an exploded perspective view showing the installation of the radiating element module during the configuration of the RF module,
Figure 22 is an exploded perspective view showing the installation of the radiation director to the radome of the configuration of the radiating element module,
23A and 23B are cross-sectional views and partially enlarged views taken along lines AA and BB of FIG. 17 .

Hereinafter, an RF module for an antenna according to an embodiment of the present invention, an RF module assembly, and an antenna device including the same will be described in detail with reference to the accompanying drawings.

In adding reference numerals to components of each drawing, it should be noted that the same components have the same numerals as much as possible even if they are displayed on different drawings. In addition, in describing an embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function hinders understanding of the embodiment of the present invention, the detailed description will be omitted.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, sequence, or order of the corresponding component is not limited by the term. In addition, unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in this application, they should not be interpreted in an ideal or excessively formal meaning. don't

In the present invention, a single radome of a conventional antenna device is provided as a unit radome that is combined for each RF module, and RF-related parts mounted on the main board inside the antenna housing are configured as an RF module together with an RF filter or separated from the main board. By doing so, the technical idea is to spatially separate and distribute the heat generated from various heating elements of the antenna device. Hereinafter, the antenna RF module 200, the RF module assembly 300, and the antenna device including the same It will be described based on an embodiment shown in.

Figure 2 is a perspective view showing an antenna device according to an embodiment of the present invention, Figure 3 is an exploded perspective view of Figure 2, Figure 4 is an exploded perspective view for explaining the attachment and detachment of the RF module assembly to the front housing, 5 is an exploded perspective view showing a state in which the front housing and the rear housing are separated, FIG. 6 is an exploded perspective view showing the assembly of the front housing to the rear housing, and FIG. 7 shows a state in which the ventilation panel is removed during the construction of FIG. 2 FIGS. 8A and 8B are exploded perspective views showing the assembly relationship of various boards with respect to the rear housing, FIG. 9 is an exploded perspective view showing the combination of the surge board part in the configuration of FIG. 2, and FIG. It is an exploded perspective view showing the coupling position of the RFIC board part among the configurations, and FIG. 11 is an exploded perspective view showing a state in which the RFIC board part of FIG. 10 is coupled to the rear surface of the front housing.

As referred to in FIGS. 2 to 7 , the antenna device 100 according to an embodiment of the present invention forms a rear housing 110 forming a rear exterior of the antenna device and a part of the front exterior of the antenna device, , and a front housing 140 coupled to the front of the rear housing.

In addition, the antenna device 100 includes a main board 170 closely installed in the installation space 115 of the rear housing 110, a PSU board unit 180 disposed above the main board 170, and a main board ( 170), the surge substrate unit 190 disposed further rearward, the RFIC substrate unit 150 closely disposed on the rear surface of the front housing 140, and the antenna stacked on the front surface of the front housing 140. It further includes a radio frequency module (RF module) 200 (hereinafter, abbreviated as 'RF module').

The rear housing 110 and the front housing 140 are combined with the RF module 200 to form the appearance of the entire antenna device 1, and although not shown, a support provided for installation of the antenna device 100 It can play a role in mediating binding to poles. However, the combination of the rear housing 110 and the front housing 140 does not necessarily have to be coupled to the holding pole unless the installation space of the antenna device 100 is restricted, and it is not necessarily installed on a vertical structure such as an inner or outer wall of a building. It is also possible to install and fix as a direct wall-mounted type.

The rear housing 110 and the front housing 140 are made of a metal material with excellent thermal conductivity so that heat dissipation through thermal conduction is advantageous as a whole, and are formed in the shape of a rectangular parallelepiped body having a thin thickness in the front-back direction. In particular, the rear housing ( 110) is formed to be open and has a predetermined installation space 115, so that the main board 170 on which digital elements (eg, FPGA (Field Programmable Gate Array) elements 173) are mounted, and PSU (Power Supply Unit) plays a role of mediating the installation of the PSU board part 180 on which elements are mounted and the surge board part 190 on which surge component elements are mounted.

On the other hand, although not shown in the drawing, the inner surface of the rear housing 110 is mounted on the rear surface of the digital element (FPGA element 173, etc.) and/or the PSU board unit 180 mounted on the rear surface of the main board 170. It may be formed in a shape matching the outer protruding shape by the PSU element 183, etc., and the surge component elements mounted on the rear surface of the surge board unit 190. This is to maximize the heat dissipation performance by increasing the thermal contact area with the rear surfaces of the main board 170, the PSU board unit 180, and the surge board unit 190.

Hereinafter, the RF module 200 to be described below is disposed in the front so as to be thermally separated from the inner space 115 of the rear housing 110 with respect to the front housing 140, so as to cover the front of the front housing 140. As a reference, the air in the area corresponding to the front will be referred to as 'front outside air'.

On both left and right sides of the rear housing 110, handles that can be gripped by a worker in the field to transport the antenna device 100 according to an embodiment of the present invention or to facilitate manual mounting with respect to a holding pole (not shown) ( 130) may be further installed.

In addition, outside the lower end of the rear housing 110, various external mounting members 400 for cable connection with a base station device (not shown) and tuning of internal parts may be assembled through. The outer mounting member 400 is provided in the form of at least one optical cable connection terminal (socket), and a connection terminal of a coaxial cable (not shown) may be connected to each connection terminal.

Referring to FIG. 2 , a plurality of rear heat dissipation fins 111 may be integrally formed on the rear surface of the rear housing 110 to have a predetermined pattern shape. Here, heat generated from the main board 170 installed in the installation space 115 of the rear housing 110 may be directly radiated to the rear through the plurality of rear heat dissipation fins 111 .

As shown in (b) of FIG. 4, the plurality of rear heat dissipation fins 111 are disposed inclined upward toward the left and right ends based on the middle part of the left and right widths, so that heat is radiated to the rear of the rear housing 110. It may be designed so that the heat is more quickly dissipated by forming rising air currents in which the heat is dispersed in the left and right directions of the rear housing 110, respectively. However, the shape of the rear heat radiation fin 111 is not necessarily limited thereto. For example, although not shown in the drawing, when a blowing fan module (not shown) is provided on the rear side of the rear housing 110, the rear heat dissipating fin 111 so that the heat dissipated by the blowing fan module is more quickly discharged. It may be adopted that they are formed in parallel to the left end and the right end, respectively, in the blowing fan module disposed in the middle.

In addition, although not shown, a mounting portion (not shown) to which a clamping device (not shown) for coupling the antenna device 1 to a holding pole (not shown) is coupled to a portion of the plurality of rear heat radiation fins 111 is integrated. can be formed as Here, the clamping device rotates and rotates the antenna device 100 according to an embodiment of the present invention installed at the front end in the left and right directions or tilts and rotates in the vertical direction to adjust the directionality of the antenna device 100 can be config.

Meanwhile, as illustrated in FIGS. 1 to 7 , the antenna device 1 is disposed to be spaced apart from the rear of the main board 170 in the installation space 115 of the rear housing 110. Arranged to have the same front surface as the main board 170 among the installation space 115 of the surge board unit 190 and the rear housing 110, which are closely disposed on the front surface of the housing 110, but are located on the upper side of the main board 170. A disposed PSU board unit 180 may be further included.

Here, the surge board unit 190 has a front end supported by the rear surface of the main board 170 and a rear end supported by the main board 170 by a plurality of spaced supporters 197 supported on the front surface of the surge board unit 190. It may be arranged to be spaced apart from the rear by a predetermined distance.

8A and 8B, the surge substrate 190, the PSU board 180, the main board 170, and the PSU board 180 are electrically connected via at least one bus bar 195 and 185, respectively. can be interconnected.

More specifically, the surge board unit 190 is disposed at a relatively lower side of the installation space 115 of the rear housing 110 with the main board 170 interposed therebetween, and the PSU board unit 180, on the contrary, is the main board unit 180. The board 170 is disposed on the relatively upper side of the installation space 115 of the rear housing 110 with the board 170 therebetween, and may be electrically connected to each other via the long type bus bar 195. End and middle portions of the long-type bus bar 195 may be stably fastened and fixed by a plurality of bus bar fastening screws 195', respectively.

In addition, the PSU board unit 180 is disposed in a form in direct contact with the top of the main board 170, and may be electrically connected to each other via a short type bus bar 185. Each end of the short type bus bar 185 may be stably fastened and fixed by a plurality of bus bar fastening screws 185'.

On the other hand, as shown in FIGS. 10 and 11, the antenna device 1 is disposed spaced apart from the front of the main board 170 in the installation space 115 of the rear housing 110. An RFIC substrate 150 closely attached to the rear surface of the housing 140 may be further included.

RFIC elements 153 corresponding to the FPGA element 173 mounted on the main board 170 may be mounted on the RFIC substrate 150 . The RFIC board unit 150 separates the RFIC elements 153 mounted together with the above-described FPGA elements 173 on the front or rear surface of the existing main board 170 from the main board 170, but substantially dissipates front heat. It can be arranged to be in thermal contact with the rear surface of the front housing 140, which is a key component of the.

Here, as referenced in FIG. 10, the RFIC board unit 150 includes a plurality of spaced supporters 157 whose front end is supported on the rear surface of the front housing 140 and whose rear end is supported on the front surface of the main board 170. As a result, it may be spaced apart from the main board 170 forward by a predetermined distance. In this way, by disposing the RFIC substrate 150 forward from the main board 170, thermal separation between the RFIC substrate 150 and the main board 170 can be achieved.

At the rear of the RFIC substrate 150, as shown in FIG. 11, it may be electrically connected to the main board 170 through a thermal separation plate 160 provided for physical thermal separation from the main board 170. there is.

More specifically, on the front surface of the RFIC substrate 150, as shown in FIG. 10, the socket pin coupling of the socket portion 235a of the amplifier substrate 235 among the components of the RF module 200 to be described later is performed. A plurality of intermediate female socket portions 155 are formed, and as shown in FIG. 11, the final female socket portion 171 formed on the front surface of the main board 170 and the socket on the rear surface of the RFIC substrate 150 An intermediate socket portion 161 for pin coupling may be formed.

The intermediate arm socket portion 155 formed on the RFIC board portion 150 may be exposed toward the front side through the socket penetration portion 143 formed in the front housing 140 . In this way, the socket pins of the socket portion 235a of the amplifying unit substrate 235 may be coupled to the forwardly exposed intermediate female socket portion 155 .

The thermal separation plate 160 prevents the heat generated from the RFIC substrate 150 from being moved to the installation space 115 of the rear housing 110, which is a relatively rear space, and directly forward through the front housing 140. It is preferable to be provided with a heat insulating material to induce heat dissipation.

A plurality of front heat dissipation fins 141 may be integrally formed on the front surface of the front housing 140 . The front housing 140 and the plurality of front heat dissipation fins 141 are made of a metal material having excellent thermal conductivity, and heat or RFIC of the installation space 115 of the rear housing 110 via the front housing 140 Heat generated from the elements 153 can be easily conducted and dissipated forward.

In addition, an embodiment of the antenna device 100 according to the present invention may further include at least one ventilation panel 120 or 120a to 120d as shown in FIG. 6 . The front end of the plurality of RF modules 200 is positioned further forward from the rim of the front housing 140, and at least one ventilation panel 120, 120a to 120d is coupled to the rim of the front housing 140, It may be combined in a form surrounding the side of a plurality of RF modules 200 disposed on the outermost.

Here, at least one ventilation panel (120, 120a ~ 120d) is formed with a predetermined size of ventilation holes (reference numerals not indicated) as a whole, so that outside air from the external space flows into the front side of the front housing 140 through the ventilation holes, or Since the heat dissipated toward the front of the housing 140 can smoothly flow out toward the outer space, air permeability can be increased. When air permeability of the outside air is increased, heat dissipation performance toward the front side of the front housing 140 may be greatly improved.

12 is a perspective view and a partial enlarged view showing the shape and arrangement of reflector grill pins in the configuration of the RF module of FIG. 2, and FIG. 13 is a partially enlarged perspective view showing the arrangement relationship of reflector grill pins. An exploded perspective view showing the installation of the front housing of the RF module during configuration, Figure 15 is an enlarged perspective view showing the front of the front housing and the rear of the RF module to which the RF module is attached and detached, Figure 16 is an enlarged perspective view showing the RF module's main board 17 is a perspective view showing a unit RF module in the configuration of FIG. 2, FIG. 18 is an exploded perspective view of FIG. 17, and FIGS. 19a to 19d are a front module and a rear module in the configuration of the RF module. It is an exploded perspective view showing the installation of the module, Figure 20 is an exploded perspective view showing the installation of the radome during the configuration of the RF module, Figures 21a and 21b is an exploded perspective view showing the installation of the radiating element module during the configuration of the RF module , Figure 22 is an exploded perspective view showing the installation of the radiation director to the radome of the configuration of the radiating element module, Figures 23a and 23b is a cross-sectional view and partially enlarged view taken along lines A-A and B-B of FIG.

12 to 22, an embodiment of the RF module 200 for an antenna according to the present invention includes an RF filter 220 arranged on the front surface of the main board 170 and a front surface of the RF filter 220. It is disposed between the radiating element module 210, the RF filter 220 and the radiating element module 210 to ground the radiating element module 210, and also to ground (GND) the RF filter 220 from the front to the rear. At least one reflector grill pin 224 for introducing outside air or outflowing outside air from the rear of the RF filter to the front, coupled to the front of the RF filter 220, and protecting the radiating element module 210 from the outside. A radome cover 240 is included.

The RF module 200 is an assembly of analog RF components, for example, the amplifier module 230 is an RF component including an amplifier board 235 on which an analog amplifier for amplifying an RF signal is mounted, and an RF filter ( 220) is an RF component for frequency filtering an input RF signal into a desired frequency band, and the radiating element module 210 is an RF component that serves to receive and transmit an RF signal.

Therefore, the RF module 200 for an antenna according to the present invention may be defined as follows as another embodiment.

That is, the RF module 200 for an antenna according to the present invention is an RF module 200 for an antenna including an analog RF component, and the analog RF component includes an RF filter 220 and a front of the RF filter 220. It may be implemented in an embodiment including a radiating element module 210 disposed and an amplification element module 230 disposed behind the RF filter 220 and mounted with an analog amplification element (not shown).

Here, the amplification element module 230 may be electrically connected to the main board 170 inside the rear housing 110 via an amplification unit substrate 235 to be described later. Here, it has already been described that the RFIC substrate 150 is interposed therebetween.

According to the configuration, RF components having frequency dependence are configured as an RF module, and the RF module is detachable from the main board 170 inside the rear housing 110, so that the antenna device 100 When a defective or damaged RF component occurs, there is an advantage in that maintenance and repair of the antenna device 100 becomes easy by replacing only the RF module 200 for the corresponding antenna.

In addition, according to the above configuration, the analog amplification element conventionally mounted on the main board is mounted on the amplifier substrate 235, and the amplifier substrate 235 and the RFIC substrate 150 are physically connected to the main board 170. By being separated, in that the number of layers of the main board 170 made of multi-layers can be reduced, not only the manufacturing cost of the main board 170 is reduced, but also the heat dissipation efficiency of the main board 170 is increased. do.

On the other hand, since the RF module 200 implemented in various embodiments described above is provided in plurality, it is possible to configure the RF module assembly 300 for an antenna to be described later. Therefore, from the standpoint of a manufacturer that manufactures RF components, it has an advantage of being able to build a new market environment to enable distribution and sale by manufacturing RF components for each RF module 200 or each RF module assembly 300 .

In addition, at least one reflector grill pin 224 functions as a reflector capable of intensively emitting a radiation signal, and may be integrally formed with the RF filter 220 . That is, the RF filter 220 may be manufactured by a die-casting mold method using a molding material of metal components. Here, since the reflector grill fins 224 are also made of a metal material in terms of their function, the RF filter 220 and the reflector grill fins 224 are manufactured using the same metal component as the molding material. It can be integrally manufactured by the same die-casting mold method as the method.

Here, an embodiment of the RF module 200 for an antenna according to the present invention is disposed between the main board 170 and the RF filter 220, and at least one analog amplification element (reference numeral not indicated) is mounted. A device module 230 may be further included.

In this way, the RF module 200 in which the radiating element module 210 is coupled to the front and the amplifying element module 230 is coupled to the rear around the RF filter 220, as referenced in FIGS. 14 to 16 , Each unit module may be coupled with a socket pin to the main board 170 via the front housing 140.

To this end, as described above, the socket penetrating portion 143 may be formed to pass through the front housing 140 in the forward and backward directions, and the surface bonding portion 147 may be formed around the socket penetrating portion 143 . A ring installation groove 149 into which a foreign substance inflow prevention ring 144 to be described later is inserted and interposed may be formed in the surface mounting portion 147 . In addition, module assembling screws 146 for installing the RF module 200 may be vertically spaced apart from each other inside the socket penetration part 143 . The module assembling screw 146 may be assembled from the rear surface of the front housing 140 forward through and fastened to the rear surface of the RF module 200 .

On the other hand, on the rear surface of the RF module 200, a socket portion 235a of the amplifier substrate 235, which will be described later, is penetrated and exposed to the rear, and a bonding flange so as to be bonded to the face-to-face portion 147 of the front housing 140. (238) may be formed. A screw boss 239 to which the module assembly screw 146 is fastened may be formed on the joint flange 238 .

Here, since the RF module 200 is provided to be exposed to the outside air in front corresponding to the front of the front housing 140, it is necessary to prevent inflow of foreign substances including rain or dust. As shown in FIG. 16, in the RF module 200 according to an embodiment of the present invention, the joint flange 238 of the RF module 200 is brought into close contact with the surface-attached portion 147 of the front housing 140. When the fastening force is increased using the module assembly screw 146, the foreign substance inflow prevention ring 144 interposed in the ring installation groove 149 is connected to the surface of the joint flange 238 of the RF module 200 and the front housing 140. It is possible to seal between attachments.

Meanwhile, the amplifying element module 230 serves to receive a signal from the main board 170 and a signal from the RF filter 220 and amplify the signal by a predetermined value and output the amplified signal.

Here, the amplification element module 230 is seated inside the amplification unit body 231 having a substrate seating space 233 open at one side or the other side in the width direction and inside the amplification unit body 231, but the front end of the rim is RF. Signal connected to the filter 220, the rear end of the frame covers the amplification unit substrate 235, which is signal connected to the main board 170 (more preferably, the RFIC substrate unit 150), and the amplification unit substrate 235. It may include an amplifier cover 236 provided to.

As referenced to FIGS. 19A to 19D , such an amplification element module 230 is easily electrically connected to an RF filter 220 to be described later through a feed-through pin coupling, and the amplifier body 231 Mutual physical coupling may be achieved by the module assembly screw 250 fastened through the screw assembly groove 234a of the assembly panel 234 formed in the assembly panel 234 .

The amplifier substrate 235 may be coupled to the RF filter 220 through a through-pin terminal 229 via a feed through-pin, and coupled to the main board 170 through a socket pin.

In addition, at least one socket part 235a to be coupled with a socket pin to the main board 170 may be provided on the amplifier substrate 235 .

At this time, as described above, in the embodiment in which the RFIC substrate unit 150 is separated from the main board 170 and installed in close contact with the rear surface of the front housing 140, the socket unit 235a of the amplifier substrate 235 is After being coupled through the intermediate female socket portion 155 provided on the front surface of the RFIC substrate portion 150, the intermediate socket portion 161 provided on the rear surface of the thermal separation plate 160 electrically connected thereto It can be electrically connected to the final female socket part 171 of the main board 170 by a socket pin coupling operation.

In this way, the antenna device 100 according to an embodiment of the present invention adopts a simple socket pin coupling method in constructing a predetermined electrical signal line between the main board 170 and the RF filter 200, Since there is no need to use a separate coaxial connector (DCC, Direct Coaxial Connector) for electrically connecting the RF filter 200 and the main board 170, the manufacturing cost of the product is greatly reduced.

The amplifier substrate 235a is tightly coupled to the inner surface of the amplifier body 231, and the heat generated from the analog amplification elements of the amplifier substrate 235 is transferred to the outer space of the amplifier body 231. A plurality of amplifying unit heat sink fins 232 for dissipating heat may be integrally formed. At least one of a power amplifier (PA) element and a low noise amplifier (LNA) element may be mounted on the amplifier substrate 235 as an analog amplification element.

On the other hand, the RF filter 220, as referenced in Figures 12 to 22, a plurality of cavities 222 formed to open in the front filter body 221, and at least one disposed inside the cavity 222 A resonance bar 223 and a filter outer panel 228 disposed to shield the front surface of the filter body 221 may be included. A filter tuning cover 227 may be coupled between the filter outer panel 228 and the filter body 221 .

Here, the radiating element module 210 may be seated and coupled to the inner side of the filter body 221 so as to cover the front surface of the outer panel 228 .

In addition, a plurality of hook coupling parts 241 are formed on the edge of the radome cover 240, and the radome cover 240 can be hook-coupled by an operation in which the hook coupling parts are coupled to the step portion of the filter body 221. .

The material of the radome cover 240 is formed of the same material as that of the existing single radome panel, but may be divided and combined for each unit RF module 200. That is, the material of the radome cover 240 may be made of a resin material that facilitates transmission of radio waves, and since the heat generated during driving of the radiating element module 210 is insignificant, even if it is provided with a heat insulating material unrelated to heat radiation Does not matter.

The radome cover 240 may serve to protect the radiating element module 210 from the external environment (foreign substances, etc.) by being coupled to the filter body 221 while concealing the radiating element module 210 from the outside.

Here, the RF filter 220 and the radiating element module 210 may be coupled via a through-pin terminal 226 through a feed through-pin.

Hereinafter, the RF module 200 for an antenna according to the present invention implemented in the above-described various embodiments will be described in more detail with reference to the accompanying drawings.

As referenced to FIGS. 12 to 22 , the RF module 200 may be stacked on the front surface of the main board 170 via the front housing 140 .

In the antenna device 100 according to an embodiment of the present invention, a plurality of RF modules 200 are provided to form one component of the RF module assembly 300 for an antenna.

Here, as referred to in FIGS. 12 and 22, a total of eight RF modules 220 are arranged adjacently in the left and right directions, and a plurality of such RF modules 200 are arranged in four rows in the vertical direction, respectively. adopt what has been However, it is not necessarily limited thereto, and it will be taken for granted that the arrangement position and the number of RF modules 200 can be variously designed and modified.

In addition, in one embodiment of the present invention, the RF filter 220 has a predetermined cavity 222 formed on one side, and a resonator bar 223 composed of a dielectric resonator (DR) or a metallic resonator rod in the cavity 222 Although described as an example of being a cavity filter equipped with, the RF filter 220 is not limited thereto, and various filters such as a dielectric filter may be employed.

In addition, the plurality of radiating element modules 210 are coupled to correspond to the number of each of the plurality of RF filters 220, and each of the radiating element modules 210 implements two antennas 2T2R. Accordingly, the antenna device 100 according to an embodiment of the present invention illustrates a model in which a total of 64 antennas 64T64R are implemented, but is not limited thereto. For example, if the radiating element arrangement area can be secured twice, each radiating element module 210 can be provided to implement one antenna (1T1R), and the heat dissipation performance can be further improved. It is also possible that each of the radiating element modules 210 is provided to implement four antennas 4T4R.

In general, for the implementation of beamforming, a plurality of radiating element modules 210 are required as an array antenna, as referred to in FIGS. 2 to 10, and a plurality of radiating element modules 210 can generate a narrow directional beam to increase the concentration of radio waves in a designated direction. Recently, a plurality of radiating element modules 210, a dipole-type dipole antenna or a patch-type patch antenna are used with the highest frequency, and are designed and arranged to be spaced apart so that mutual signal interference is minimized. do.

In one embodiment of the RF module 200 for an antenna according to the present invention, the radiating element module 210 is formed vertically long, as shown in FIGS. 21A and 21B, and a plurality of RF filters 220 A printed circuit board for radiating elements 211 arranged on the front side, and at least one antenna patch circuit unit 212 pattern-printed on the front surface of the printed circuit board 211 for radiating elements, and at least one antenna patch circuit unit 212 ) may include a power supply line 213 supplying each of them.

On the front side of the printed circuit board 211 for the radiating element, the above-described antenna patch circuit 212 may be printed as a dual polarization patch element for generating either orthogonal ±45 polarization or vertical/horizontal polarization. there is. Three antenna patch circuit units 212 may be printed to be spaced apart in the vertical direction (longitudinal direction), and each antenna patch circuit unit 212 may be interconnected by a power supply line 213 .

On the other hand, on the printed circuit board 211 for the radiating element, an input-side feeding line and an output-side feeding line for applying or outputting a feed signal branched from the feed line 213 are formed, and at the front end of the input-side feeding line and the output-side feeding line. An input-side through-hole (214a) and an output-side through-hole (214b) for inserting a through-pin terminal disposed at the rear of the printed circuit board 211 for the radiating element may be formed to pass through. Through-pin terminals 226, which are one of the components of the RF filter 220, are inserted into the input-side through-hole 214a and the output-side through-hole 214b, respectively, to supply power to the power supply line 213.

Meanwhile, the radiation director 217 is formed of a thermally conductive or conductive metal material and is electrically connected to the antenna patch circuit 212 . The radiation director 217 may serve to guide a radiation beam in an omnidirectional direction. In the RF module 200 for an antenna according to an embodiment of the present invention, a total of three radiation directors 217 are arranged in each RF module 200 so as to secure maximum gain. , It is not limited to the number of them.

In addition, the radiation director 217 has a plurality of coupling holes 217a into which a plurality of coupling protrusions 247a formed on the rear surface of the radome cover 24 are fitted, respectively, as shown in FIGS. 21A and 21B. can be formed

Therefore, the radiation director 217 is a module via the plurality of coupling protrusions 247a and the plurality of coupling holes 217a on the rear surface of the radome cover 240 together with the printed circuit board 211 for the radiating element. After being coupled, the radome cover 240 can be easily assembled by an operation in which the radome cover 240 is coupled to the RF filter 220 via the hook coupling part 241.

As illustrated in FIGS. 12 and 13 , the reflector grill fins 224 are combined with the reflector grill fins 224 of adjacent RF filters 220 to form a mesh shape in which grill-shaped heat dissipation holes are formed. can be achieved The plurality of heat dissipation holes formed by the plurality of reflector grill fins 224 facilitate ventilation of the heat dissipated from the front housing 140, which is the rear side of the plurality of RF filters 220, which are relatively rearward. As a configuration that plays a role, it can serve as a heat discharge hole for discharging heat generated inside the reflector grill fins 224 to the outside. Accordingly, the front outside air can be actively used for heat dissipation of the antenna device 100 .

Here, as referenced to FIGS. 12 and 13, some 224-1 of the reflector grill pins 224 are mutually related to the reflector grill pins 224-2 formed on the RF filter 220 adjacent in the left and right directions. It may be formed to extend so as to overlap. 12 and 13, a part 224-3 of the reflector grill pin 224 is vertically adjacent to the reflector grill pin 224-4 formed on the RF filter 220 adjacent in the vertical direction. It may be extended to form a straight line.

12, each of the plurality of reflector grill pins 224-1 to 224-4 serves as a sufficient ground (GND) and at the same time maintains a predetermined ventilation performance on one side of the RF filter 220. The formed reflector grill fins 224-2 and 224-3 and the reflector grill fins 224-1 and 224-4 formed on the other side adjacent to the RF filter 220 do not contact each other, but form the above-mentioned heat radiation hole of a predetermined size. can do.

Here, the distances d1 and d2 between the reflector grill fins 224 may be properly designed by simulating their durability and heat dissipation characteristics, and preferably considering the arrangement interval of the radiating elements included in the radiating element module 210. can be set by In addition, the distances d1 and d2 between the reflector grill pins 224 may be designed in consideration of the wavelength of the operating frequency, as will be described later.

For example, when the wavelength of the operating frequency is λ, the distances d1 and d2 between the reflector grille fins 224 range from 0.05λ (1/20λ) to 0.1λ (1/10λ). can be set. Here, the interval 0.05λ is meaningful as a lower limit threshold for securing a minimum flow of outside air through the heat radiation hole formed by the plurality of reflector grill fins 224 mutually, and the interval 0.1λ is sufficient grounding of the radiating element module 210. (GND) has meaning as an upper limit threshold for performing the role. That is, by setting the intervals d1 and d2 between the reflector grill fins 224 to be 0.05λ or more, it is possible to improve the heat dissipation characteristics by securing the flow of outside air through the heat radiating holes formed by the reflector grill fins 224 mutually. , By setting the intervals d1 and d2 between the reflector grill pins 224 to be 0.1λ or less, it is possible to provide a sufficient ground plane and secure radiation pattern characteristics.

Therefore, the intervals d1 and d2 between the reflector grill pins 224 are preferably formed to have a range of 0.05λ or more and 0.1λ or less. Here, λ means the wavelength of the operating frequency.

More specifically, as shown in FIG. 13, when the RF filters 220 are disposed adjacent to each other in the left and right directions, the reflector grill fins 224-1 and 224-2 are overlapped with each other, so that the upper and lower sides of the drawing are overlapped. It is preferable that the distance d2 between the reflector grill pins in the direction is set to have a size greater than or equal to 0.05λ of the operating frequency.

13, when the RF filters 220 are arranged adjacently in the vertical direction, the reflector grill pins 224-3 and 224-4 form a straight line up and down, so that the reflector moves in the left and right directions in the drawing. The distance d1 between the grill pins is preferably set to have a small size of 0.1λ or less. Here, λ means the wavelength of the operating frequency.

In addition, the reflector grill pin 224 is disposed to cover the front surface of the plurality of RF filters 220 together with the above-described outer panel 228, and serves as a ground (GND) of the plurality of radiating element modules 210. can To this end, it is preferable that the outer panel 228, the filter body 221 of the RF filter 220, and the reflector grill pin 224 are all made of a metal material.

On the other hand, referring to FIG. 23A, in a state in which the radiating element module 210 is coupled to the radome cover 240, when the radome cover 240 is rearwardly closely assembled to the RF filter 220 side, at the same time as the through-pin terminal Assembly force is generated toward the connection space 226a provided with 226, and the elastic ground washer 226b disposed on the front side of the connection space 226a receives elastic support to solve the assembly tolerance and feed directly from the fixed position. Thread pin bonding is complete.

In addition, referring to FIG. 23B, when the RF filter 220 and the amplification element module 230 are tightly coupled to each other, the through pin terminal 229 is provided inside the RF filter 220 and the amplification element module 230 and When connected to the through-pin connection terminal 229c that mediates the electrical connection of the RF filter 220, the elastic ground washer 229b disposed on the rear side of the RF filter 220 is elastically supported to solve assembly tolerances and feed directly from a fixed position. Thread pin bonding can be completed.

Therefore, assembling each component of the RF module 200 is completed in a simple way through each feed-through pin coupling, and at the same time, even when the RF module 200 itself is connected to the front of the main board 170, as described above As the simple operation of socket pin coupling is performed, overall assembling performance can be greatly improved.

In this way, the antenna device 100 according to an embodiment of the present invention is provided with a unit radome cover 240 separated for each RF module 200, each of the existing single type radome, each radiating element module 210 Since it effectively protects the antenna device 100 and can easily radiate heat from the internal system of the antenna device 100 in all directions including the front as well as the rear, heat dissipation performance is greatly improved compared to the prior art.

In the above, an embodiment of an RF module for an antenna and an antenna device including the same according to the present invention has been described in detail with reference to the accompanying drawings. However, the embodiments of the present invention are not necessarily limited to the above-described embodiments, and it will be taken for granted that various modifications and implementation within the equivalent range are possible by those skilled in the art to which the present invention belongs. . Therefore, it will be said that the true scope of the present invention is determined by the claims described later.

100: antenna device 110: rear housing
111: rear radiation fin 115: installation space
120,120a~120d: ventilation panel 130: handle part
140: front housing 141: front radiation fin
143: socket penetrating portion 144: foreign matter inflow prevention ring
146: module assembly screw 147: surface attachment
149: ring installation groove 150: RFIC substrate
153: RFIC board part 155: middle female socket part
157: separation supporter 160: thermal separation plate
161: middle socket part 170: main board
171: final female socket part 173: digital element
180: PSU board part 183: PSU element
185: bus bar 185': bus bar fastening screw
190: surge substrate 195: bus bar
195 ': bus bar fastening screw 200: RF module
210: radiating element module 211: printed circuit board for radiating element
212: antenna patch circuit unit 213: feed line
214a: input side through-hole 214b: output side through-hole
217: radiation director 217a: multiple coupling holes
220: RF filter 221: filter body
222: cavity 223: resonant bar
224: reflector grill pin 226: through pin terminal
227 Filter tuning cover 228 Filter outer panel
229: through pin terminal 230: amplification element module
231: amplifier body 232: amplifier heat sink fin
233: substrate seating space 234: assembly panel
235: amplification unit substrate 235a: socket unit
236: amplifier cover 238: joint flange
239: screw boss 240: radome cover
241: hook coupling portion 247a: a plurality of coupling protrusions
250: module assembly screw 300: antenna RF module assembly
400: outer mounting member

Claims (31)

RF filters;
A radiating element module disposed in front of the RF filter;
Disposed between the RF filter and the radiating element module to ground (GND) the radiating element module, and to introduce outside air from the front to the rear of the RF filter or to discharge outside air from the rear of the RF filter to the front at least one reflector grill pin; and
a radome cover coupled to the front of the RF filter and protecting the radiating element module from the outside; including,
The reflector grill fins extend in the outer directions of upper, lower, left, and right sides along the front edge of the filter body, and are arranged to have a predetermined separation distance from each other. The method of claim 1,
The at least one reflector grill pin is integrally molded with the RF filter, an RF module for an antenna. The method of claim 1,
The RF filter may include a filter body having a plurality of cavities opened forward, and at least one resonance bar disposed inside the cavities; Including, RF module for the antenna. The method of claim 3,
The reflector grill pin performs a reflector function together with an outer panel disposed to shield the front surface of the filter body, the RF module for an antenna. The method of claim 3,
The distance between the reflector grill pins is set in consideration of the arrangement distance of the radiating element included in the radiating element module, the RF module for the antenna. The method of claim 1,
Wherein the RF filter and the reflector grill pin are integrally manufactured by a die-casting mold method using a molding material of a metal component. The method of claim 1,
Some of the reflector grill pins are formed to extend to overlap each other with reflector grill pins formed on adjacent RF filters in the left and right directions. The method of claim 1,
Some of the reflector grill pins are extended so as to be vertically aligned with reflector grill pins formed on RF filters adjacent to each other in the vertical direction. According to claim 7 or claim 8,
When the operating frequency wavelength is λ, the distance between the reflector grill pins is set to have a range of 0.05λ or more and 0.1λ or less, the RF module for an antenna. The method of claim 1,
The RF filter,
A filter body formed so that a plurality of cavities are opened forward;
at least one resonance bar disposed inside the cavity; and
a filter outer panel disposed to shield the front surface of the filter body; including,
The radiating element module is seated and coupled to the inside of the filter body so as to cover the front surface of the filter outer panel, an RF module for an antenna. The method of claim 10,
A plurality of hook coupling parts are formed on the edge of the radome cover,
The radome cover is hook-coupled by an operation in which the hook coupling part is coupled to the step portion of the filter body, the RF module for an antenna. The method of claim 11,
The hook coupling part penetrates between each of the reflector grill pins and is coupled to the stepped portion of the filter body. The method of claim 10,
The radome cover is coupled to the filter body while hiding the radiating element module from the outside, the RF module for the antenna. The method of claim 1,
The radiating element module,
Doedoe placed in close contact with the front surface of the RF filter, a printed circuit board for a radiating element on which an antenna patch circuit unit and a power supply line are printed to generate at least one polarized wave among double polarized waves; and
A director for radiation formed of a conductive metal material and electrically connected to the antenna patch circuit of the printed circuit board for the radiating element; including,
The radiation director is detachably coupled to the rear surface of the radome cover and then connected to the printed circuit board for the radiating element, the RF module for the antenna. The method of claim 14,
On the rear surface of the radome cover, a plurality of coupling protrusions that can be coupled to the radiation director are formed to protrude backward,
In the radiation director, a plurality of coupling holes formed to pass through in the front and back so that the plurality of coupling protrusions are penetrated, the RF module for an antenna is formed. The method of claim 1,
an amplification element module disposed between the main board of the antenna device and the RF filter and equipped with at least one analog amplification element; Including more,
The amplifying element module receives a signal from the main board and a signal from the RF filter, respectively, and amplifies the signal by a predetermined value and outputs the amplified signal. The method of claim 16
The amplification element module,
an amplifying unit body having a substrate seating space having one side or the other side opened in the width direction;
an amplification unit substrate seated inside the amplification unit body, having a front end portion connected to the RF filter and a rear end portion connected to the main board; and
an amplification unit cover provided to cover the amplification unit substrate; Including, RF module for the antenna. The method of claim 17
The amplification unit substrate is feed through pin coupled to the RF filter through a through pin terminal, and is coupled to the main board by a socket pin, an RF module for an antenna. The method of claim 18
The amplifier board is provided with at least one socket part for being coupled to the socket pin to the main board, an RF module for an antenna. The method of claim 17
The amplification unit substrate is tightly coupled to an inner surface of the amplification unit body,
An RF module for an antenna, wherein a plurality of amplification unit heat sink fins are integrally formed on an outer surface of the amplification unit body to dissipate heat generated from the amplification unit substrate to an external space. The method of claim 17
At least one of a PA element and an LNA element as the analog amplification element is mounted on the amplifier substrate, the RF module for an antenna. The method of claim 1,
The RF filter and the radiating element module are feed through pin coupled via a through pin terminal, an RF module for an antenna. a plurality of RF filters arranged on the front side of the main board;
A plurality of radiating element modules disposed in front of the plurality of RF filters, respectively;
It is disposed between the plurality of RF filters and the plurality of radiating element modules, respectively, to ground (GND) the radiating element module, and to introduce external air from the front to the rear of each of the plurality of RF filters, or of the RF filter. at least one reflector grill fin for discharging external air from the rear to the front; and
A plurality of radome covers coupled to the front surface of each of the plurality of RF filters and protecting the plurality of radiating element modules from the outside; including,
The reflector grill pins extend in the outer directions of the upper, lower, left, and right sides along the front edge of the filter body, and are arranged to have a predetermined separation distance, respectively, RF module assembly for an antenna. a main board on which at least one digital device is mounted on the front or rear;
a housing-shaped rear housing formed such that a front side of the installation space in which the main board is installed is opened;
a front housing disposed to shield an open front of the rear housing and to divide an installation space of the rear housing from an external space; and
an RF module assembly disposed in front of the front housing and connected to the main board through an electrical signal line; including,
The RF module assembly,
a plurality of RF filters arranged on the front surface of the main board;
A plurality of radiating element modules disposed in front of each of the RF filters;
It is disposed between the plurality of RF filters and the radiating element module, respectively, to ground (GND) the radiating element module, and to introduce external air from the front to the rear of each of the RF filters or to the front from the rear of each of the RF filters. at least one reflector grill pin for discharging outside air; and
A plurality of radome covers coupled to the front surface of each of the plurality of RF filters and protecting the plurality of radiating element modules from the outside; including,
The reflector grill pins extend in the outer directions of the upper, lower, left, and right sides along the front edge of the filter body, and are arranged to have a predetermined separation distance from each other. The method of claim 24
a surge substrate part disposed to be spaced apart from the rear of the main board in the installation space of the rear housing and closely attached to the front surface of the rear housing; and
a PSU board part arranged to have the same front surface as the main board in the installation space of the rear housing and disposed above the main board; Including more,
The antenna device of claim 1 , wherein the surge substrate unit, the PSU board unit, and the PSU board unit and the main board are electrically connected via at least one bus bar, respectively. The method of claim 24
A plurality of heat dissipation fins integrally formed on the front surface of the front housing, the antenna device. The method of claim 24
At least one female socket portion to be coupled to the RF filter and the socket pin is formed on the front surface of the main board. The method of claim 24
an RFIC board part spaced apart from the front of the main board in the installation space of the rear housing and closely attached to the rear surface of the front housing; Including more,
On the RFIC substrate, RFIC elements corresponding to the FPGA elements mounted on the main board are mounted and disposed. The method of claim 28
The antenna device, wherein the heat generated from the RFIC elements is heat-conducted and dissipated by surface thermal contact with the front housing. The method of claim 24
The front ends of the plurality of RF modules are positioned further forward from the rim of the front housing,
at least one ventilation panel coupled to the rim of the front housing and provided in a form surrounding the side portions of the plurality of RF modules disposed at the outermost part; Further comprising, an antenna device. The method of claim 30
An antenna device, wherein a plurality of ventilation holes having a predetermined size are formed in the ventilation panel.

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