WO2020231148A1

WO2020231148A1 - Antenna apparatus

Info

Publication number: WO2020231148A1
Application number: PCT/KR2020/006226
Authority: WO
Inventors: 유창우; 지교성; 윤민선; 김혜연
Original assignee: 주식회사 케이엠더블유
Priority date: 2019-05-15
Filing date: 2020-05-12
Publication date: 2020-11-19

Abstract

The present invention relates to an antenna apparatus and, in particular, comprises: a main housing having an inner space formed therein so as to embed a main board and having a plurality of radiating fins provided on an outer surface thereof; a cover housing provided so as to shield the inner space of the main housing and having a plurality of radiating fins provided on an outer surface thereof; and a plurality of unit antenna blocks detachably coupled so as to occupy a portion of the outer surface of the cover housing, and having an antenna substrate embedded therein, the antenna substrate having one or more antenna elements and one or more antenna filters combined thereto, wherein the plurality of unit antenna blocks are signal-connected to the main board via at least one connecting card, thereby providing an advantage that dual banding can be realized as well as enabling effective heat dissipation.

Description

Antenna device

The present invention relates to an antenna device (ANTENNA APPARATUS), and more particularly, to an antenna device capable of dual band formation capable of very simply dualizing a use band.

Wireless communication technology, for example, MIMO (Multiple-Input Multiple-Output) technology, is a technology that dramatically increases data transmission capacity by using multiple antennas. A transmitter transmits different data through each transmission antenna. , In the receiver, it is a Spatial multiplexing technique that distinguishes transmission data through appropriate signal processing.

Accordingly, as the number of transmit/receive antennas is simultaneously increased, the channel capacity increases and more data can be transmitted. For example, to increase the number of antennas to 10, a channel capacity of about 10 times is secured by using the same frequency band compared to the current single antenna system. In the case of a transceiver to which such MIMO technology is applied, as the number of antennas increases, the number of transmitters and filters also increases.

However, in the case of an antenna device to which a conventional MIMO technology is applied, a frequency band corresponding to a plurality of antennas installed in one antenna device corresponds to only one preset band (for example, either 3.5 GHz or 4.5 GHz band). As the antenna element is designed to be possible, there is a problem in that the entire antenna device must be replaced when changing to a different frequency band.

The present invention has been conceived to solve the above technical problem, and an object of the present invention is to provide an antenna device capable of applying a dual band of an available frequency band.

In addition, another object of the present invention is to provide an antenna device that is easy to change design from a preset frequency band to a different frequency band.

In addition, another object of the present invention is to provide an antenna device including an antenna transmitting/receiving module that can be partitioned for each module so as to expand the unit heat dissipation efficiency of a plurality of heating elements.

In an embodiment of the antenna device according to the present invention, an inner space is formed so that the main board is embedded, a main housing provided with a plurality of radiating fins on an outer surface, and provided to shield the inner space of the main housing, and a plurality of A cover housing provided with a radiating fin, and a plurality of unit antenna blocks including detachably coupled to occupy a part of an outer surface of the cover housing, and having an antenna substrate in which at least one antenna element and at least one antenna filter are coupled therein, , The plurality of unit antenna blocks are signal-connected to the main board through at least one connecting card.

Here, in the cover housing, a mounting portion accommodating a portion of an end portion of each of the plurality of unit antenna blocks may be provided in a form in which some of the plurality of other side heat dissipation fins are removed.

In addition, a through slot through which the connecting card connected to each of the plurality of unit antenna blocks passes may be formed in the cover housing.

In addition, the main board may be mounted such that calibration ports are respectively connected to the antenna elements of each of the plurality of unit antenna blocks.

In addition, in the antenna elements of each of the plurality of unit antenna blocks, the phase of the frequency band may be integrated calibration controlled by the main board.

In addition, each of the plurality of unit antenna blocks includes a first substrate installation space in which the antenna substrate is installed, and an antenna block body in which a second substrate installation space is provided toward the cover housing to be partitioned from the first substrate installation space, A pair of transmission/reception boards installed at one side and the other side of the second board installation space so as to be perpendicular to the main board, and a unit radome coupled to the antenna block body to cover the first board installation space may be further included.

In addition, one end of each of the pair of transmission/reception boards is provided with a card slot port through which one end of the connecting card is pin-coupled, and the other end of the connecting card is provided with a second card slot port through which the other end of the connecting card is pin-coupled. Can be.

In addition, signal processing of the antenna elements of each of the plurality of unit antenna blocks may be integrated and controlled by the main board.

In addition, the antenna block body is provided on one side in the width direction and the other side in the width direction to shield the second substrate installation space, so as to radiate heat generated from the first substrate installation space and the second substrate installation space. A pair of unit block heat sinks may be provided.

In addition, the pair of unit block heat sinks may extend parallel to one surface of the main board.

In addition, the antenna block body may further include at least one EMI shielding part disposed between the pair of transmission/reception boards to shield mutual EMI.

In addition, two transmitters (2T) and two receivers (2R) are mounted on each of the pair of transmission/reception boards, and eight or 16 antenna block bodies are connected to the main board, so that 32 transmitters (32T) and It may be possible to implement 32 receivers 32R or 64 transmitters 64T and 64 receivers 64R.

In addition, each of the plurality of unit antenna blocks further includes an antenna block body provided with a substrate installation space in which the antenna substrate and a single transmission/reception substrate are installed, and a unit radome coupled to the antenna block body to cover the substrate installation space. I can.

In addition, on one surface of the single transmission/reception board, one card slot hole to which one end of the connecting card is pin-coupled may be provided, and on the main board, the other card slot hole to which the other end of the connecting card is pin-coupled may be provided. .

In addition, a unit block heat sink for dissipating heat generated from the substrate installation space may be provided on a surface of the antenna block body facing the cover housing.

In addition, the unit block heat sink may extend perpendicularly to one surface of the main board.

In addition, in the antenna block body, a single EMI shielding unit disposed between the antenna substrate and the single transmission/reception substrate to shield mutual EMI may be further provided in the substrate installation space.

In addition, 4 transmitters 4T and 4 receivers 4R are mounted on the single transmission/reception board, and 8 or 16 antenna block bodies are connected to the main board to provide 32 transmitters 32T and 32 receivers. (32R) or 64 transmitters 64T and 64 receivers 64R may be implemented.

In addition, the antenna substrate and the single transmission/reception substrate may be stacked and disposed to be spaced apart from each other in the substrate installation space.

According to an embodiment of the antenna device according to the present invention, various effects as follows can be achieved.

First, an antenna corresponding to a preset frequency band is provided so as to be selectively attached and detached for each module before setting of the usable frequency band, so that single-band or dual-band conversion has an easy effect.

Second, it has the effect of improving unit heat dissipation efficiency by separating some of the electrical components, which are multiple heating elements, from the main board (BB Board) and mounting them in a modular manner.

1 is a perspective view showing an antenna device according to an embodiment of the present invention,

Figure 2 is a side view of Figure 1,

Figure 3 is an exploded perspective view of Figure 1,

4 is a perspective view showing a unit antenna block in the configuration of FIG. 1,

Figure 5 is an exploded perspective view of Figure 4,

6 is a cross-sectional view showing a connection relationship between the unit antenna block of FIG. 4 and the main board in the main housing,

7 is a cross-sectional view of the other side showing a connection relationship between the unit antenna block of FIG. 4 and the main board in the main housing,

8 is a perspective view showing an antenna device according to another embodiment of the present invention,

Figure 9 is a side view of Figure 8,

10 is an exploded perspective view of FIG. 8,

11 is a perspective view showing a unit antenna block in the configuration of FIG. 8,

12 is an exploded perspective view of FIG. 11,

13 is a side cross-sectional view showing a connection relationship between the unit antenna block of FIG. 11 and a main board in a main housing,

14 is a cross-sectional view of the other side showing a connection relationship between the unit antenna block of FIG. 11 and a main board in a main housing.

100,200: antenna device 110: main housing

111: main board 112: PSU board

114: heat dissipation pin 115: other side card slot

116: inner space 120: cover housing

121: mounting portion 124: radiating fin

125: through slot 130: antenna assembly

140: a plurality of unit antenna blocks 141: antenna block body

142a: space for installing the first substrate 142b: space for installing the second substrate

143:

combination block

144a, 144b: unit block heat sink

145: communication port 147: EMI shield

148: transceiver board 149: a pair of connecting cards

150: antenna board 151: antenna board

152: antenna element 153: antenna filter

160: single radome

Hereinafter, embodiments of an antenna device according to the present invention will be described in detail with reference to the accompanying drawings. In adding reference numerals to elements of each drawing, it should be noted that the same elements are to have the same numerals as possible even if they are indicated 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 obstructs an understanding of the embodiment of the present invention, a detailed description thereof will be omitted.

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

1 is a perspective view showing an antenna device according to an embodiment of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is an exploded perspective view of FIG. 1, and FIG. 4 is a unit antenna block in the configuration of FIG. Fig. 5 is an exploded perspective view of Fig. 4, Fig. 6 is a cross-sectional view showing a connection relationship between the unit antenna block of Fig. 4 and the main body, and Fig. 7 is a connection relationship between the unit antenna block of Fig. 4 and the main body. It is the other side sectional view shown.

An embodiment 100 of the antenna device according to the present invention is configured to include a main housing 110, a cover housing 120, and a plurality of unit antenna blocks 140, as shown in FIGS. 1 to 7 do.

In the main housing 110, an inner space 116 is formed so that the main board 111 is embedded, and a plurality of radiating fins 114 may be provided on an outer surface of the main housing 110. Here, the main housing 110 is formed such that one surface is opened in a rectangular shape, and the inner space 116 may be shielded from the outside by coupling the cover housing 120. The inner space 116 is sufficient if it has a thickness at which a printed circuit board and a PSU board 112 to be described later can be installed. Heat generated from heat-generating elements not shown mounted on the printed circuit board is designed to radiate heat in the direction in which a plurality of radiating fins 114 are provided, and generated from a power supply unit (PSU) mounted on the PSU board 112. Heat may be designed to radiate heat in the direction in which the plurality of radiating fins 124 of the cover housing 120 are provided.

Hereinafter, in order to prevent confusion of understanding, the outer side of the main housing 110 on which the plurality of radiating fins 114 are provided is referred to as “rear or rear”, and the cover housing based on the main housing 110 The side on which the 120 and the plurality of unit antenna blocks 140 are provided will be referred to as "front or front" and described.

The main board 111, although not shown in detail in the drawings, is provided in the form of a printed circuit board (PCB) on which a calibration network is implemented, and installed on a plurality of unit antenna blocks 140 to be described in detail later. It serves as a control unit that enables power supply or signal control and calibration control of the antenna substrate 150 including RF elements and digital elements (not shown in the drawing) and a plurality of filters 153.

In the main board 111, a digital processing circuit may be implemented, and a plurality of other card slots 115 for signally connecting to a plurality of unit antenna blocks 140 to be described in detail later may be provided on the front side. . This will be described in more detail later.

In addition, the front side of the main board 111 may be mounted so that the calibration ports 105 are respectively connected to the antenna elements 152 of a plurality of unit antenna blocks 140 to be described later. The calibration port 105 may control a phase deviation caused by an antenna filter 153 and a feeder line to be described later.

One side of the main board 111, that is, between the cover housing 120 and the cover housing 120, may be provided with a PSU board 112 on which a plurality of power supply units (PSUs) are mounted, as shown in FIG. 3. The power supply unit of the PSU board 112 may be a power supply device for supplying power to each electronic component.

A plurality of heat dissipation fins 114 formed on the rear surface of the main housing 110 dissipate heat generated from electrical components, which are a number of heating elements mounted on the main board 111, from the inner space 116 to the outside (in particular, the main housing It may be provided so as to radiate heat to the rear side of 110) to prevent deterioration of electric field performance due to heat generation.

Here, each of the plurality of radiating fins 114 formed on the rear surface of the main housing 110 is formed to be elongated in the vertical direction in consideration of the rising discharge of air due to heat when radiating to the outside so that air flows between the adjacent radiating fins 114 It may be provided to form a flow path.

In addition, for the plurality of radiating fins 114, it is preferable that the main housing 110 and the plurality of radiating fins 114 are made of a thermally conductive material for smooth heat dissipation, and a lightweight metal material to ensure ease of external installation. It is preferably provided with.

Meanwhile, as shown in FIG. 3, the cover housing 120 is coupled to the front end of the main housing 110 to shield the inner space 116 of the main housing 110, and has a plurality of Radiation fins 124 may be provided.

In more detail, the cover housing 120, as shown in FIG. 3, has an open surface of the main housing 110 (more specifically, a surface opposite to the side on which a plurality of radiating fins 124 are provided). Combined to shield. The cover housing 120 may serve to protect the main board 111 and the PSU board 112 installed in the inner space 116 of the main housing 110 from the outside.

In addition, as described above, a plurality of radiating fins 124 may be provided on the outer surface of the cover housing 120. The plurality of radiating fins 124, together with the plurality of radiating fins 114 formed on the outer surface of the main housing 110, serve to radiate heat collected in the inner space 116 of the main housing 110 to the outside. .

The plurality of radiating fins 124 formed in the cover housing 120 are also formed to be elongated in the vertical direction in consideration of the rising and discharge of air due to heat when radiating to the outside, like the plurality of radiating fins 114 formed on the rear surface of the main housing 110 It is preferable that it is provided so as to form a flow path through which air flows between the adjacent radiating fins 124.

An antenna assembly 130 including a plurality of unit antenna blocks 140 may be installed on the outer surface of the cover housing 120. The antenna assembly 130 may be provided as an assembly applied to at least 4 or more and 16 or less MIMO antenna devices.

Meanwhile, the plurality of unit antenna blocks 140 are detachably coupled to occupy a part of the outer surface of the cover housing 120, as shown in FIGS. 3 to 7, and one or more antenna elements 152 therein. ) And at least one antenna filter 153 may be combined with the antenna substrate 150.

In more detail, assuming that the outer surface of the cover housing 120 is provided to have a predetermined width, as shown in FIG. 3, a unit antenna block to occupy part of the outer surface of the cover housing 120 (140) Eight can be firmly coupled using a fastening member (for example, fastening screws, etc.) not shown. For example, the plurality of unit antenna blocks 140 may be arranged side by side in 2 rows and 4 columns or 4 rows and 2 columns on the outer surface of the cover housing 120.

Here, in the cover housing 120, a mounting portion 121 accommodating a portion of each end portion of the plurality of unit antenna blocks 140 may be provided in a form in which a portion of the plurality of other side heat dissipation fins 124 is removed. One end surface of the coupling block 143 of the unit antenna block 140 to be described later may be coupled to the mounting portion 121 formed on the cover housing 120 so as to be in close contact with each other.

As such, the plurality of unit antenna blocks 140 may be provided to be signal-connected to the main board 111 through at least one connecting card 149. To this end, a through slot 125 through which the connecting card 149 connected to each of the plurality of unit antenna blocks 140 passes may be further formed in the cover housing 120. At this time, the at least one connecting card 149 is positioned to be protected from the outside by the coupling block 143 of the unit antenna block 140 to be described later, and is safely disposed through the through slot 125 without being exposed to the outside. Can be. In the antenna device according to an embodiment of the present invention, at least one connecting card 149 may be provided as a pair spaced apart a predetermined distance in the width direction.

In the plurality of unit antenna blocks 140, as shown in FIGS. 4 to 7, a first substrate installation space 142a in which the antenna substrate 150 is installed is provided on the front side, and the first substrate installation space ( The antenna block body 141 provided with a second substrate installation space 142b on the rear side of which the cover housing 120 is provided to be partitioned from 142a, and the main board 111 on one side and the other side of the second substrate installation space 142b ), and a unit radome 160 coupled to the antenna block body 141 to cover the first substrate installation space 142a and a pair of transmission/reception substrates 148 installed to be orthogonal to each other.

Most of the known conventional MIMO antenna devices (typically, Korean Patent Registration No. 10-1854309 (announced on May 3, 2018), has a main board, a PSU board, an antenna board, and a main housing inside a main housing having one internal space. It is disclosed that a transmission/reception board to be described later is stacked and provided to shield a main housing using a single radome However, an example of such a conventional MIMO antenna device is in a limited space called an internal space of the main housing. As a result of intensive installation of electrical components, which are a number of heating elements, there is a problem in that heat dissipation is limited.

In the antenna device according to the embodiments of the present invention, in order to actively solve the above-described conventional problem, the above various electronic components are placed in the inner space 116 of the main housing 110 and a plurality of unit antenna blocks 140. We propose a structure that is separated and distributed. In short, the antenna device according to an embodiment of the present invention, as shown in FIGS. 1 to 7, a plurality of radiating fins 114 on one side of the main housing 110 and a plurality of radiating heat of the other side of the cover housing 120 It is provided to exclusively dissipate heat generated from electric components, which are multiple heating elements mounted on the main board 111 provided in the inner space 116 of the main housing 110 through the pin 124, and a plurality of antennas A plurality of unit antenna blocks 140 are spaced outward from the inner space 116 of the main housing 110 through a pair of unit

block heat sinks

144a and 144b formed on the outer surface of each block 140. Heat generated from the antenna element 152 and the antenna filter 153 mounted therein may be exclusively provided to radiate heat.

The antenna block body 141 is a block body having a substantially T-shaped vertical cross-sectional appearance, as shown in FIGS. 4 to 7, and a position corresponding to the upper end (ie, front part) of a T-shaped shape in the drawing A first substrate installation space 142a is provided in the. In addition, a second substrate installation space 142b is provided at a position corresponding to a lower end portion (ie, rear portion) having a T-shaped shape in the drawing of the antenna block body 141. The second substrate installation space 142b may be formed to penetrate in the left and right directions. The second substrate installation space 142b formed to penetrate in the left and right direction may be shielded by an operation in which a pair of unit

block heat sinks

144a and 144b to be described later are respectively coupled.

5 and 6, the first substrate installation space 142a may be formed in the form of a thin rectangular parallelepiped space that is approximately long in one side or the other side in the drawing and has a relatively small upper and lower height, and a second substrate is installed. The space 142b may be formed in a shape of a rectangular parallelepiped space having a relatively long width and a relatively small width in one or the other direction and the vertical direction in the drawing. In particular, the second substrate installation space 142b may be formed in communication to be opened to one side or the other side in the width direction, as described later.

The first substrate installation space 142a and the second substrate installation space 142b may be formed to communicate with each other through a communication port 145 as shown in FIG. 5. In addition, a card installation hole 146 through which at least one connecting card 149 is installed may be formed in the second substrate installation space 142b. The card installation hole 146 may be formed to penetrate the inside of the coupling block 143 formed to extend a predetermined length toward the cover housing 120 from the lower end of the T-shaped lower end of the antenna block body 141. The coupling block 143 may be firmly matched and coupled to the mounting portion 121 formed on the cover housing 120 using a fastening member (not shown).

The antenna substrate 150 mounted on the first substrate installation space 142a includes an antenna board 151 and one or more antenna elements 152 installed on the outer surface of the antenna board 151 as shown in FIG. 5. And, it may include one or more antenna filters 153 (MBF, Micro Bellows Filter) installed on the inner surface of the antenna board 151.

A pair of transmission/reception boards 148 mounted in the second board installation space 142b may be installed to be spaced apart from each other in the width direction. At this time, the pair of transmission/reception boards 148 are disposed between each of the antenna block body 141 with at least one EMI shielding unit 147 interposed therebetween to shield mutual electromagnetic interference (EMI). One on the side and one on the other side of the antenna block body 141 may be disposed. Here, the EMI shielding part 147 includes one EMI shielding part 147 provided to shield EMI of one of the transmission/reception boards among the pair of transmission/reception boards 148, and the other transmission/reception board of the pair of transmission/reception boards 148 Including the other side EMI shielding part 147 provided to shield the EMI of, and one side EMI shielding part 147 and the other side EMI shielding part 147 may be located between a pair of transmission and reception boards 148. The one side EMI shielding part 147 and the other side EMI shielding part 147 are vertically disposed adjacent to each other in the middle part of the second board installation space 142b, and the second side corresponding to the outside of the one side EMI shielding part 147 One side transmission/reception board 148 is disposed in the board installation space 142b, and the other side transmission/reception board 148 is disposed in the second board installation space 142b corresponding to the outside of the other side EMI shielding part 147.

It is natural that the pair of transmission/reception boards 148 are electrically connected to enable signal connection through the antenna board 151 and the communication port 145 previously installed in the first board installation space 142a.

Meanwhile, the antenna block body 141 is provided to shield the second substrate installation space 142b on one side in the width direction and the other side in the width direction, respectively, and the first substrate installation space 142a and the second substrate installation space 142b A pair of unit

block heat sinks

144a and 144b for dissipating heat generated from the heat sink may be provided.

One (144a) of the pair of unit block heat sinks (144a, 144b) is coupled to the open side of the second substrate installation space (142b) to shield one side of the second substrate installation space (142b), and The remaining one 144b of the unit

block heat sinks

144a and 144b may be coupled to the other open side of the second substrate installation space 142b to shield the other side of the second substrate installation space 142b.

In addition, a plurality of radiating fins (not shown in the drawings) extending parallel to one surface of the main board 111 may be provided on the outer surfaces of the pair of unit

block heat sinks

144a and 144b. The plurality of radiating fins directly radiate heat collected in the space formed by the first substrate installation space 142a and the second substrate installation space 142b to the outside, thereby preventing performance degradation of the electronic component.

As described above, an embodiment 100 of the antenna device according to the present invention is a part of an electric component that is a heating element intensively installed in the inner space 116 of the conventional main housing 110 (that is, the antenna element 152, the antenna The filter 153 and the transmitting/receiving board, etc.) are separately installed on the outside separated from the main housing 110, and heat dissipated by external heat dissipation through a pair of unit

block heat sinks

144a and 144b for each unit antenna block 140 It can create an advantage that can further improve performance.

In addition, in the embodiment 100 of the antenna device according to the present invention, a plurality of unit antenna blocks 140 are provided to be detachably connected to the main board 111, which has not been implemented in a conventional antenna device. It provides the advantage of very easy to implement dual-band frequency band.

For example, in the conventional case, after the frequency band corresponding to one or more antenna elements 152 and antenna filter 153 signal-connected to the main board 111 is initially set to 3.5 GHz, it can be changed to 4.5 GHz. However, there was an inconvenience of having to disassemble the entire product and newly design and assemble it. However, in the case of the embodiment 100 of the present invention, even if the unit is initially set to 3.5 GHz, after separating the existing unit antenna block 140, the antenna element 152 corresponding to the 4.5 GHz frequency band to be changed And it is possible to implement a dual band and more bands by replacing and assembling only the unit antenna block 140 designed as the antenna filter 153. That is, it is possible to arrange and replace and assemble the plurality of unit antenna blocks 140 so that some of them constitute the first band of the 3.5 GHz frequency band and the other part of the second band of the 4.5 GHz frequency band. In particular, in this case, since it is possible to insert and connect the connecting card 149 to be described later of the antenna block 140 through the through slot 125 of the cover housing 120, the arrangement and replacement assembly are very easy.

The plurality of unit antenna blocks 140 may be signal-connected to the main board 111 through at least one connecting card 149. That is, in the embodiment 100 of the present invention, eight unit antenna blocks 140 are provided, and each of the eight unit antenna blocks 140 is configured to enable integrated signal control by the main board 111. Signal is connected to the board 111 through at least one connecting card 149.

Here, a through slot 125 through which the connecting cards 149 connected to each of the plurality of unit antenna blocks 140 pass may be formed in the cover housing 120. In addition, at the ends of each of the pair of transmission/reception boards 148, one card slot opening 148a to which one end of the connecting card 149 is pin-coupled is provided, and the other end of the connecting card 149 is provided on the main board 111 The other side card slot 115 to which the pin is coupled may be provided. One card slot port 148a and the other card slot port 115 may be provided in a structure in which 120 pin terminals provided at both ends of the connecting card 149 are socket-coupled.

One of the connecting cards 149 is coupled to a transmission/reception board provided on one side of the pair of transmission/reception boards 148, and one of the pair of transmission/reception boards 148 is coupled to a transmission/reception board provided on the other side. Accordingly, the connecting cards 149 used in the antenna device 100 according to an embodiment of the present invention may be employed in two pieces provided to be spaced apart from each other in the width direction of the plurality of unit antenna blocks 140.

Here, the antenna substrate 150 of each unit antenna block 140 is provided with a 4T4R antenna element 152 provided so that four transmitters 4T and four receivers 4R function, and a pair of transmission/reception The substrate 148 may be mounted so that each of the above four transmitters and receivers 4T4R is divided into two (ie, 2T2R) to be separated.

Therefore, when 8 or 16 antenna block bodies 141 are connected to the main board 111, a total of 32 transmitters 32T and 32 receivers 32R or 64 transmitters 64T required in a 5G environment And 64 receivers 64R may be implemented.

Meanwhile, as shown in FIG. 3, the main board 111 may further include a calibration port 105 provided to be connected to the antenna elements 152 of each of the plurality of unit antenna blocks 140. As described above, in an embodiment 100 of the antenna device according to the present invention, a plurality of unit antenna blocks 140 are separated from the main board 111, and the frequency band is connected to the calibration port 105. The phase can be provided to be integrated calibration control.

8 is a perspective view showing an antenna device according to another embodiment of the present invention, FIG. 9 is a side view of FIG. 8, FIG. 10 is an exploded perspective view of FIG. 8, and FIG. 11 is a unit antenna block in the configuration of FIG. Fig. 12 is an exploded perspective view of Fig. 11, Fig. 13 is a side sectional view showing a connection relationship between the unit antenna block of Fig. 11 and a main board in the main housing, and Fig. 14 is a unit antenna block and main housing of Fig. 11 It is the other side sectional view showing the connection relationship with the inner main board.

In the case of the antenna device 100 according to an embodiment of the present invention previously described with reference to FIGS. 1 to 7, the transmission/reception board 148 is separated into two with respect to the antenna board 150 to provide functions of each transmitter and receiver. In the case of the antenna device 200 according to another embodiment of the present invention described below, if provided to be divided, the antenna substrate 250 and the transmission/reception board 248 are not divided according to the number of transmitters and receivers. Would say.

In more detail, the antenna device 200 according to another embodiment of the present invention, as shown in FIGS. 8 to 14, a plurality of unit antenna blocks 240, respectively, an antenna substrate 250 and a single transmission and reception An antenna block body 241 provided with a substrate installation space 242a on which the substrate 248 is installed, and a unit radome 260 coupled to the antenna block body 241 to cover the substrate installation space 242a. I can.

That is, in the case of the embodiment 100, while the first substrate installation space 142a and the second substrate installation space 142b in which the antenna substrate 150 is installed on the antenna block body 141 are separated In the case of the embodiment 200, only a single board installation space 242a may be formed in the antenna block body 241 so that the antenna board 250 and the single transmission/reception board 248 are installed together.

In addition, in the case of the embodiment 100, while the pair of transmission/reception boards are arranged orthogonally with respect to the antenna board 150, in the case of the other embodiment 200, the antenna board 250 and a single transmission/reception board Silver may be stacked and disposed in the vertical direction on the drawing. Here, in the case of the embodiment 100, only the antenna substrate 150 is installed in the first substrate installation space 142a, but in the other embodiment 200, the antenna substrate ( Since both the 250 and the single transmission/reception board 248 are stacked and arranged to be spaced apart from each other by a predetermined distance, the upper and lower heights of the single board installation space 242a are set to be larger than in the case of the embodiment 100. desirable.

In addition, in the case of the embodiment 100, one end of the connecting card 149 is pin-coupled to one end of the card slot hole 148a is provided at the end of the pair of transmission and reception boards, but in the case of the other embodiment 200, There is a difference in that one card slot hole 248a to which one end of the connecting card 249 is pin-coupled is provided on the'one side (lower surface)' of the single transmission/reception board 248. That is, in another embodiment 200, as a result of being installed in the board installation space 242a in a structure in which a single transmission/reception board 248 is stacked with respect to the antenna board 250 parallel to the

main board

211, 120 pins are combined. This is because it is structurally preferable that one card slot hole 248a corresponding to the socket is formed on one surface of the single transmission/reception board 248. At this time, the connecting card 149 is provided in a straight line by dividing two in a lengthwise direction in a single board installation space 242a, and a single card slot hole 248a is also provided so that each connecting card 149 is socket-coupled. It may be arranged in a straight line in the length direction of the substrate installation space 242a.

On the other hand, the antenna device 200 according to another embodiment of the present invention, as shown in Figs. 11 and 12, on the surface of the antenna block body 241 facing the cover housing 220, the substrate installation space 242a A unit block heat sink 244 for dissipating heat generated from) may be provided. The unit block heat sink 244 may be provided with a plurality of heat dissipation fins (not shown in drawings) extending toward the main board 211. That is, the unit block heat sink 244 may be formed to extend orthogonal to one surface of the main board 211.

In addition, the antenna device 200 according to another embodiment of the present invention includes a single EMI shield 247 disposed between the antenna substrate 250 and the single transmission/reception board 248 to shield mutual EMI. It may be further provided in (242a).

Also in the antenna device 200 according to another embodiment of the present invention configured as described above, four transmitters 4T and four receivers 4R are mounted on a single transmission/reception board 248, and the main board 211 ), the antenna block bodies 241 are connected to eight or sixteen, so that it is possible to implement 32 transmitters 32T and 32 receivers 32R, or 64 transmitters 64T and 64 receivers 64R. .

That is, in the case of the above-described embodiment 100, as a result of the transmission/reception boards 148 being provided as a pair and being separated, each of them is implemented to correspond to the functions of 2T2R in response to the antenna board 150 performing the function of 4T4R. Except for that point, even in the case of the other embodiment 200 of the present invention, only a single transmission/reception board 248 corresponding to the antenna substrate 250 performing the function of 4T4R is provided, thereby implementing the aforementioned 32T32R or 64T64R. I can.

Each of the structures and features of the configurations not described among the configurations of the antenna device 200 according to another embodiment of the present invention implemented in FIGS. 8 to 14 have the same structure and characteristics except for the above-described differences, It will be replaced with a description of the configurations of the antenna device 100 according to an embodiment of the present invention previously described with reference to FIGS. 1 to 7.

As described above, the

antenna devices

100 and 200 according to the embodiments of the present invention include the

antenna substrates

150 and 250 for each module from the

main housings

110 and 210 provided with the

main boards

111 and 211 in charge of integrated calibration control and integrated signal control. Since the transmission/

reception boards

148 and 248 are separated and detachably provided, it is easy to change a frequency band selectively from a single band to a dual band, and a more reliable product can be manufactured through decentralization of heat dissipation.

In the above, embodiments of the antenna device according to the present invention have been described in detail with reference to the accompanying drawings. However, the embodiments of the present invention are not necessarily limited by the above-described embodiments, and it is natural that various modifications and implementations in an equivalent range by those of ordinary skill in the art to which the present invention pertains are possible. will be. Therefore, it will be said that the true scope of the present invention is determined by the claims to be described later.

The present invention provides an antenna device that can be partitioned for each module so that it is easy to apply a dual band of an available frequency band and change the design from a preset frequency band to a different frequency band, and to extend the unit heat dissipation efficiency of a plurality of heating elements. do.

Claims

A main housing in which an inner space is formed so that the main board is embedded, and a plurality of radiating fins are provided on an outer surface;

A cover housing provided to shield the inner space of the main housing and having a plurality of radiating fins on an outer surface thereof; And

A plurality of unit antenna blocks that are detachably coupled to occupy a portion of an outer surface of the cover housing, and have an antenna substrate in which at least one antenna element and at least one antenna filter are combined; Including,

The plurality of unit antenna blocks are signal-connected to the main board via at least one connecting card.
The method according to claim 1,

In the cover housing, a mounting portion accommodating a portion of an end portion of each of the plurality of unit antenna blocks is provided in a form in which a portion of the plurality of other side radiating fins is removed.
The method according to claim 1,

In the cover housing, a through slot through which the connecting card connected to each of the plurality of unit antenna blocks passes is formed.
The method according to claim 1,

In the main board, the antenna device is mounted so that the calibration ports are respectively connected to the antenna elements of each of the plurality of unit antenna blocks.
The method of claim 4,

In the antenna element of each of the plurality of unit antenna blocks, the phase of the frequency band is integrated calibration controlled by the main board.
The method according to claim 1,

Each of the plurality of unit antenna blocks,

An antenna block body having a first substrate installation space in which the antenna substrate is installed, and a second substrate installation space disposed toward the cover housing so as to be partitioned from the first substrate installation space;

A pair of transmission/reception boards installed at one side and the other side of the second board installation space so as to be perpendicular to the main board; And

A unit radome coupled to the antenna block body to cover the installation space of the first substrate; Further comprising, the antenna device.
The method of claim 6,

At the ends of each of the pair of transmission/reception boards, one card slot hole to which one end of the connecting card is pin-coupled is provided,

In the main board, the other end of the connecting card is provided with a card slot hole is pin-coupled, the antenna device.
The method of claim 7,

In the antenna element of each of the plurality of unit antenna blocks, signal processing is integrally controlled by the main board.
The method of claim 6,

In the antenna block body,

A pair of unit block heat sinks are provided on one side in the width direction and on the other side in the width direction to shield the second substrate installation space, and to dissipate heat generated from the first substrate installation space and the second substrate installation space. , Antenna device.
The method of claim 9,

The pair of unit block heat sinks, the antenna device extending in parallel with the one surface of the main board.
The method of claim 9,

In the antenna block body,

At least one EMI shielding part disposed between the pair of transmission/reception boards to shield mutual EMI is further provided in the second board installation space.
The method of claim 6,

Two transmitters 2T and two receivers 2R are mounted on each of the pair of transmission/reception boards,

An antenna device capable of implementing 32 transmitters (32T) and 32 receivers (32R) or 64 transmitters (64T) and 64 receivers (64R) by connecting 8 or 16 antenna block bodies to the main board .
The method according to claim 1,

Each of the plurality of unit antenna blocks,

An antenna block body provided with a substrate installation space in which the antenna substrate and a single transmission/reception substrate are installed; And

A unit radome coupled to the antenna block body to cover the substrate installation space; Further comprising, the antenna device.
The method of claim 13,

One side of the single transmission/reception board is provided with a card slot hole on which one end of the connecting card is pin-coupled,

In the main board, the other end of the connecting card is provided with a card slot hole is pin-coupled, the antenna device.
The method of claim 13,

On a surface of the antenna block body facing the cover housing,

An antenna device provided with a unit block heat sink for dissipating heat generated from the substrate installation space.
The method of claim 15,

The unit block heat sink extends orthogonally with respect to one surface of the main board.
The method of claim 13,

In the antenna block body,

An antenna device further comprising a single EMI shielding unit disposed between the antenna substrate and the single transmission/reception substrate to shield mutual EMI.
The method of claim 13,

Four transmitters 4T and four receivers 4R are mounted on the single transmission/reception board,

An antenna device capable of implementing 32 transmitters (32T) and 32 receivers (32R) or 64 transmitters (64T) and 64 receivers (64R) by connecting 8 or 16 antenna block bodies to the main board .
The method of claim 13,

The antenna substrate and the single transmission/reception substrate are stacked and disposed to be spaced apart from each other in the substrate installation space.