WO2019199078A1 - Multiple input and multiple output antenna apparatus - Google Patents

Abstract

The present invention relates to a multiple input and multiple output antenna apparatus, and more particularly to a multiple input and multiple output antenna apparatus which includes: an antenna substrate in which a plurality of antenna elements are arrayed on the front face; and a transmission/reception module substrate arranged to have a separation space with respect to the antenna substrate, and provided with a plurality of first heating elements, which are heated by being electrically driven, on the front face and a plurality of second heating elements, which are heated by being electrically driven, on the rear face, wherein the heat given off by the plurality of first heating elements is dissipated toward the front of the transmission/reception module substrate, and the heat given off by the plurality of second heating elements is dissipated toward the rear of the transmission/reception module substrate. Accordingly, the present invention provides the advantage of maximizing heat dissipation performance.

Description

Multiple input and output antenna device

The present invention relates to a multiple input and output antenna device (MULTI INPUT AND MULTI OUTPUT ANTENNA APPARATUS), and more particularly to a multiple input and output antenna device for wireless communication.

Wireless communication technology, for example, multiple input multiple output (MIMO) technology is a technology that significantly increases the data transmission capacity by using a plurality of antennas, the transmitter transmits different data through each transmission antenna, and the receiver Is a spatial multiplexing technique that separates transmission data through proper signal processing.

Therefore, as the number of transmit / receive antennas is increased at the same time, the channel capacity increases to allow more data to be transmitted. For example, if you increase the number of antennas to 10, you get about 10 times the channel capacity using the same frequency band compared to the current single antenna system.

4G LTE-advanced uses up to 8 antennas. Currently, products with 64 or 128 antennas are being developed in the pre-5G phase, and base station equipment with a much larger number of antennas is expected to be used in 5G. This is called Massive MIMO technology. Although the current cell operation is 2-Dimension, 3D-Beamforming is possible when Massive MIMO technology is introduced, so it is also called FD-MIMO (Full Dimension).

In Massive MIMO technology, as the number of ANTs increases, so does the number of transmitters and filters. Nevertheless, due to the lease cost or space constraints of the installation site, making RF components (Antenna / Filter / Power Amplifier / Transceiver etc.) small, light and inexpensive makes Massive MIMO require high power for coverage expansion. Power consumption and heat generation due to this negatively affects the weight and size reduction.

In particular, when installing a MIMO antenna combined with a multilayer structure in which RF elements and digital elements are implemented in a limited space, the compactness of a plurality of layers constituting the MIMO antenna for maximizing installation ease and space utilization and There is a need for a miniaturized design, and in this case, a design regarding a new heat dissipation structure for heat generated from a communication component mounted in a plurality of layers is required.

SUMMARY OF THE INVENTION An object of the present invention is to provide a multiple input / output antenna device capable of realizing high output and excellent heat dissipation characteristics.

According to an embodiment of the present invention, there is provided a multiple input / output antenna apparatus including: an antenna substrate having a plurality of antenna elements arranged on a front surface thereof, and a plurality of first heat generating elements generated by electric driving on a front surface thereof, and a rear surface thereof. A plurality of second heat generating elements are generated by electrical driving, and includes a transceiver module substrate disposed to have a spaced space with respect to the antenna substrate, wherein the heat generated from the plurality of first heat generating elements is The heat is radiated to the front of the substrate, and heat generated from the plurality of second heat generating elements is radiated to the rear of the transmission / reception module substrate.

According to the present invention, by selectively concentrating the heat generating element with a large amount of heat generation has the effect of heat dissipation to have a more efficient heat dissipation performance to the outside, as well as the miniaturization of the product, it is easy to install additional 5G multiple input and output antenna device Has

1 and 2 are perspective views illustrating a front part and a rear part of a multiple input / output antenna device according to an embodiment of the present invention;

3 and 4 are exploded front and rear exploded perspective views of the multi-input and output antenna device of Figures 1 and 2,

5A and 5B are front exploded perspective views and rear exploded perspective views illustrating one heat dissipation part and the other heat dissipation part of a multi-input / output antenna device according to the present invention;

6 to 8 are cross-sectional views of various parts for explaining the heat radiation to the front and rear of the multiple input and output antenna device according to the present invention,

9A and 9B are exploded perspective views of the front and rear parts of the BB board and its heat dissipation structure among the multiple input / output antenna devices according to the present invention;

10 is a cross-sectional view taken along line D-D in the coupled state of FIG. 9A and a partial enlarged view thereof;

11 is an exploded perspective view showing a coupling state of the installation bracket of the configuration of Figure 1,

12A and 12B are a plan view and a side view showing a rotating and tilting state by a horizontal rotating bracket and a vertical rotating bracket of the installation bracket.

<Description of the code>

1: multiple input / output antenna device 5: radome

10: antenna housing 11: antenna substrate

13: antenna element 20: front heat dissipation unit

21: Front heat dissipation body 23: Front main heat dissipation fin

30: rear heat dissipation unit 31: rear heat dissipation main body

33: rear main heat dissipation fin 36: heat dissipation exhaust rib

37: coupling hole 39: receiving groove

40: front unit radiator 50: rear unit radiator

60: heat dissipation bracket 61: mounting ring

63: fixing portion 64: residual heat radiating fin

70: vertical rotating bracket 80: horizontal rotating bracket

90: holding fixing bracket 100: RF air line

110: transceiver module board 115: FPGA

116: remaining communication parts

Hereinafter, an embodiment of a multiple input / output antenna device of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are perspective views showing the front and rear portions of the multi-input and output antenna device according to an embodiment of the present invention, Figures 3 and 4 are an exploded perspective view and a rear portion of the front portion of the antenna device of Figures 1 and 2 Exploded perspective view.

An embodiment of the multi-input / output antenna apparatus 1 according to the present invention may be supplied with power from a power supply module (not shown), and may wirelessly communicate with an external terminal or base stations through a built-in wireless transmission / reception module. The antenna device 1 according to an embodiment of the present invention is related to a MIMO (Multi Input Multi Output) wireless communication antenna system.

More specifically, one embodiment of the multi-input and output antenna device 1 according to the present invention, the antenna substrate 11 having a plurality of antenna elements 13 arranged on the front surface, and a plurality of heat generated by electrical driving on the front surface A first heating element and a plurality of second heating elements are generated on the rear surface by electrical driving, and includes a transmission and reception module substrate 110 disposed to have a spaced space with respect to the antenna substrate (11).

Hereinafter, in order to prevent crosstalk in understanding the present invention, the direction in which the antenna mounting posts to be described later is defined as 'rear', and the direction in which the radome 5 to be described below is defined as 'forward'. On the assumption that an embodiment of the multi-input / output antenna device 1 according to the present invention is fixed to the antenna mounting support, each direction will be defined and described. However, this is only to prevent the confusion of convenience and understanding of the description, and thus the scope of the present invention should not be limited.

As shown in FIGS. 1 to 4, the antenna substrate 11 is accommodated in the antenna housing 10, and accommodated so that the antenna element 13 accommodated in the antenna substrate 11 is exposed to the front. The communication component mounted on the antenna substrate 11 may include not only the plurality of antenna elements 13 but also a multi-band filter (MBF).

In the front portion of the antenna substrate 11, the radome 5 may be arranged to cover. Such a radome 5 is a radio signal propagated from the antenna elements 13 or to the antenna element 13 is transmitted. It may be made of a material, for example, may be made of an electrically insulating plastic.

In the multiple input / output antenna device 1 according to an embodiment of the present invention, the radome 5 will be defined as being provided at the forefront.

On the other hand, the size of the radome 5 and the antenna housing 10 is formed almost the same, it may be formed in a ratio compared to the antenna substrate 11 accommodated in the antenna housing 10. Preferably, in one embodiment of the multi-input / output antenna device 1 according to the present invention, another antenna device 1 which is to be installed by the vertical length or to be installed later when installed in the antenna installation support further described later in 5G. The antenna substrate 11 may be formed in a rectangular shape in which the length of the left and right widths is larger than the length of the upper and lower widths so as to reduce installation interference with the antenna.

1 to 4, an embodiment of the multiple input / output antenna device 1 according to the present invention has a form in which an antenna assembly is a combination of RF elements and modules in which digital elements are implemented in a stacked structure. Take it. The main modules of the illustrated antenna assembly can be divided into three layers.

The first substrate is a printed circuit board (PCB) in which a calibration network is implemented, and a plurality of antenna elements 13 are disposed on a front surface of the antenna substrate 11 and a plurality of multiband filters on a rear surface of the antenna substrate 11. Band Filter (MBF) can be implemented.

Meanwhile, the transmission / reception module substrate 110, which is the second layer, may be signal-coupled to have the above-described predetermined separation space between the first layer and the transmission / reception module substrate 110. A plurality of RFICs 125 connected to the plurality of antenna elements 13 may be mounted on the front surface of the transmission / reception module substrate 110. Here, the plurality of communication components including the plurality of RFICs 125 may be defined as 'a plurality of first heating elements' as heat generating elements that generate predetermined heat when electrically operated.

In addition, a plurality of FPGAs 115 that perform digital signal processing operations, such as receiving a digital signal converted from an analog / digital converter and converting it into a baseband signal, may be mounted on the rear surface of the transmission / reception module substrate 110. In addition, an analog processing circuit such as a power amplifier (PA) is implemented on the back of the transmission / reception module substrate 110, and each power amplifier included in the analog processing circuit may be electrically connected to the aforementioned MBFs through an RF interface. Can be. In addition, a digital processing circuit may be implemented on the rear surface of the transmission / reception module substrate 110 and a power supply unit PSU may be mounted. The digital processing circuit converts a digital signal received from a base station base band unit (BBU) into an analog RF signal, converts an analog RF signal received from an antenna into a digital signal, and transmits the digital signal to the base station BBU.

Here, the plurality of FPGAs 115 and the power supply unit, like the plurality of first heating elements described above, may be defined as 'a plurality of second heating elements' as heat generating elements that generate predetermined heat when they are electrically operated. have.

In one embodiment of the multi-input / output antenna device 1 according to the present invention, it is designed to reduce the top and bottom widths in the overall shape of the antenna substrate 11, thereby facilitating the installation of the additional antenna device 1 in 5G. to provide.

In addition, in an embodiment of the multi-input / output antenna device 1 according to the present invention, various communication components integrated in the transmit / receive module substrate 110 are distributedly disposed on the front and rear surfaces of the transmit / receive module substrate 110 to facilitate heat dissipation. The heat generated from the first heat generating element provided on the front side of the transmit / receive module substrate 110 radiates heat toward the front of the transmit / receive module substrate 110, and generates heat from the second heat generating element provided on the back side of the transmit / receive module substrate 110. The heat is configured to dissipate to the rear of the transmission / reception module substrate 110.

In particular, the antenna substrate 11 and the transmit / receive module substrate 110 may minimize the influence of heat generated from the first heat generating element on the front surface of the transmit / receive module substrate 110 with the antenna element 13 disposed at the front thereof. As described above, it may be arranged to have a predetermined space, and may radiate heat generated from the first heat generating element to the space.

 5A and 5B are front exploded perspective views and rear exploded perspective views showing one side heat dissipation part and the other side heat dissipation part in the configuration of the multi-input / output antenna device according to the present invention, and FIG. 6 is a cross-sectional view taken along line AA of FIG. 7 is a cross-sectional view taken along line BB of FIG. 1, and FIG. 8 is a cross-sectional view taken along line CC of FIG. 1.

In an embodiment of the multiple input / output antenna device 1 according to the present invention, as shown in FIGS. 5A and 5B, the antenna substrate 11 and the transmission / reception module substrate 110 may include a front heat dissipation unit disposed in a space. 20) can be partitioned. Here, the front heat dissipation unit 20 may be provided with a metal material. As described above, when the front heat dissipation unit 20 is made of a metal material, a plurality of communication components provided on the transmission / reception module substrate 110 and a plurality of antenna elements 13 disposed on the front antenna substrate 11 may be used. The effects from propagation can be minimized.

Meanwhile, in an embodiment of the multi-input / output antenna device 1 according to the present invention, as shown in FIGS. 5A and 5B, the rear heat dissipation unit 30 may be disposed outside the transmission / reception module substrate 110 to cover the same. Can be. Therefore, the front and rear heat dissipation unit 20 is disposed in contact with the first heat generating element provided at the front side, and the rear heat dissipation unit 30 is in contact with the second heat generating element provided at the rear side. Can be arranged.

Here, the front heat dissipation unit 20 may be disposed in the separation space. As described above, the front heat dissipation unit 20 may be disposed in a spaced space, and may be provided to fill the spaced space itself, which is a spaced space between the antenna substrate 11 and the transceiver module substrate 110. However, filling all of the separation space substantially blocks the inflow of external air that may be involved in the heat radiation of the front heat dissipation unit 20, and thus the heat dissipation performance may be deteriorated. It is preferable that the antenna housing 10 in which the 11 is accommodated is spaced to some extent.

The rear heat dissipation unit 30 may be disposed in an outer space facing the above-described spaced space with respect to the transmission / reception module substrate 110. That is, the rear heat dissipation unit 30 may be disposed to completely cover the other surface of the transmission / reception module substrate 110.

5A and 7, the front heat dissipation unit 20 is disposed so that the front surface of the transmission / reception module substrate 110 is in close contact, and the front heat dissipation provided with a plurality of main heat dissipation fins 23 protruding forward. It is disposed to penetrate through the main body 21 and the front heat dissipation main body 21, one end is in close contact with at least a portion of the first heat generating element of the transmission and reception module substrate 110, and the other end of the heat conducted from the first heat generating element It may include a plurality of front unit radiator 40 provided with a plurality of sub-radiation fins 43 for radiating to the outside.

In the following description, the main heat dissipation fins provided in the front heat dissipation main body 21 are referred to as the front main heat dissipation fins 23 for the purpose of distinguishing the respective components of the rear heat dissipation unit 30 to be described later. The 'sub heat dissipation fin' provided in the unit heat dissipator 40 is referred to as a 'front sub heat dissipation fin 43'.

The plurality of front main heat dissipation fins 23 serves to heat-dissipate heat transferred from the first heat generating elements to the front heat dissipation main body 21 by heat exchange with the incoming outside air. Therefore, the front heat dissipation main body 21 may be provided with a metal material that is easy to conduct heat, and the plurality of front main heat dissipation fins 23 may also be provided with a metal material that is easy to conduct heat.

The plurality of front main heat dissipation fins 23 may be formed on the front surface of the front heat dissipation main body 21, and may be integrally formed with the front heat dissipation main body 21, for example. However, the present invention is not limited thereto, and the plurality of front main heat dissipation fins 23 are manufactured as a separate member and adhered to the front surface of the front heat dissipation main body 21 with a thermally conductive adhesive, or separately fastened such as bolts. It can be fixed by a member.

On the other hand, the plurality of front unit radiators 40, the front heat dissipation main body 21 that generates heat from a plurality of first heat generating elements, in particular, the RFIC 125 connected to the plurality of antenna elements 13, as will be described later Apart from and serves to dissipate heat to the above-described separation space.

The multi-input / output antenna device 1 according to the embodiment of the present invention particularly adopts a structure for individually radiating heat generated from the RFIC 125 among the communication components having a large amount of heat generation among the first heating elements. As a result, regardless of the heat dissipation performance of the front heat dissipation main body 21, heat generated from the plurality of RFICs 125 can be quickly dissipated.

Meanwhile, the plurality of front main heat dissipation fins 23 formed on the front surface of the front heat dissipation main body 21 may be disposed to be inclined upward. That is, in the drawings of FIGS. 5A and 5B, one embodiment of the multi-input / output antenna device 1 according to the present invention is disposed in the vertical direction, and the plurality of front main heat dissipation fins 23 so that external air is easily introduced into the space. ) Is preferably formed to have an air flow path in the vertical direction. Furthermore, in an embodiment of the multiple input / output antenna device 1 according to the present invention, the front main heat dissipation fins 23 are disposed to be inclined upward so that the external air inflow into the separation space is further increased. It is easy to inflow of outside air from the side as well as the bottom of 21).

Such a plurality of front main heat dissipation fins 23 are upwardly directed toward the upper and lower center lines of the front heat dissipation main body 21 from the left side and the right side of the heat dissipation fin portion disposed inclined upward toward the vertical center line of the front heat dissipation main body 21 on the left side of the drawing. It may include a right heat radiation fin portion disposed inclined.

That is, the plurality of front main heat dissipation fins 23 is formed of two groups of the left heat dissipation fin part and the right heat dissipation fin part, and outside air flows through the left heat dissipation fin part from the left side of the front heat dissipation main body 21 and flows to the front heat dissipation main body. The air flows upward toward the front center of the front surface 21, and outside air flows in from the right side of the front heat dissipation main body 21 through the right heat dissipation fin, and flows upward toward the front center of the front heat dissipation main body 21.

Here, the heat exchange air of both sides gathered in the front center direction of the front heat dissipation main body 21 may be discharged to an upper side which is a space between the left heat dissipation fin part and the right heat dissipation fin part.

Meanwhile, as illustrated in FIG. 7, the plurality of front unit heat sinks 40 have one end fixed to the front heat dissipation main body 21 and the other end of the antenna housing 10 in which the antenna substrate 11 is accommodated. Can be fixed to the back.

More specifically, the plurality of front unit heat sinks 40 include a coupling portion 41 for coupling to the front heat dissipation main body 21 to be in contact with any one of the first heat generating elements as the one end portion, and the coupling portion 41. It may include a conductive portion 42 for transferring the conductive heat through the spaced through) and a plurality of sub heat dissipation fins 43 stacked on the outer circumference of the conductive portion 42 in a stacked manner. The front end of the conductive part 42 may be fixed to the rear surface of the antenna housing 10 as the other end.

Meanwhile, the plurality of front sub heat dissipation fins 43 may have the same heat dissipation area. This is because when the heat dissipation areas of the plurality of front sub heat dissipation fins 43 are different, some of the front sub heat dissipation fins 43 may be disposed to cover or overlap the plurality of front main heat dissipation fins 23. This is because the increase is not large.

In addition, in the plurality of front unit heat sinks 40, the plurality of front sub heat dissipation fins 43 may be exposed to a space. That is, the front and rear lengths of the plurality of front unit heat sinks 40 are one end coupled to the front heat dissipation main body 21, and the other end is spaced apart from the plurality of front main heat dissipation fins 23 formed at the front heat dissipation main body 21. It may be formed to a size that protrudes further into space. As described above, the plurality of front unit heat sinks 40 may be exposed to a space between the end portions of the plurality of front main heat dissipation fins 23 and the antenna housing 10 so that the heat dissipation may be faster.

The front heat dissipation main body 21 may have a coupling hole (not shown) to which the coupling portions 41 of the plurality of front unit heat dissipation bodies 40 are coupled. Coupling portions 41 of the plurality of front unit heat sinks 40 may be disposed in close contact with at least one heat generating surface of the first heating elements by passing through the coupling hole 37 of the front heat dissipating body 21. have. At this time, the coupling part 41 may be coupled to the coupling hole by screwing.

However, the coupling manner of the front unit heat sink 40 to the front heat dissipation main body 21 is not limited by the screw fastening method. That is, although the plurality of front unit heat sinks 40 are not shown in close contact with the heat generating surfaces of the first heat generating elements, the plurality of front unit heat sinks 40 may be disposed on the outer circumferential surface of the coupling portion 41 of the plurality of front unit heat sinks 40. A male thread is formed, and a female thread is formed on the inner circumferential surface of the coupling hole 37 of the front heat dissipation main body 21, and it is natural that the coupling can be performed by a simple rotation coupling method.

9A and 9B are exploded perspective views of front and rear parts illustrating a BB board and a heat dissipation structure of a multi-input / output antenna device according to the present invention, and FIG. 10 is taken along the DD line in the combined state of FIG. 9A. It is sectional drawing and the partial enlarged view.

In an embodiment of the multi-input / output antenna device 1 according to the present invention, as shown in FIGS. 5A and 5B, the rear surface of the transmit / receive module substrate 110 may be covered by the rear radiator 30. That is, the rear heat dissipation unit 30 serves to protect the transceiver module substrate 110 from external pollutants by shielding the rear surface of the transceiver module substrate 110.

Here, the rear heat dissipation unit 30 may be provided with a metal material having excellent thermal conductivity. However, if the material having excellent thermal conductivity may be provided with any material, the material of the rear heat dissipation part 30 is not limited thereto.

As described above, the transmitting / receiving module substrate 110 heats heat generated from the first heat generating element provided at the front side to be radiated to the space separated by the front heat dissipating unit 20, and the second heat generating element provided at the rear side. Heat generated from the heat may be provided to radiate heat to the outer space by the rear radiator 30.

As shown in FIGS. 5B and 8, the front heat dissipation unit 20 is disposed such that the rear surface of the transmission / reception module substrate 110 is in close contact, and a plurality of main heat dissipation fins (hereinafter, referred to as the front heat dissipation unit 20) is provided. The rear main heat dissipation fin (referred to as 'rear main heat dissipation fin 33') is provided to protrude through the rear heat dissipation main body 31 and the rear heat dissipation main body 31, and one end is transmitted and received. A plurality of sub heat dissipation fins (hereinafter, referred to as “front side” of the front heat dissipation unit 20) in close contact with at least a portion of the second heat dissipation element of the module substrate 110 and dissipating heat conducted from the second heat dissipation element to the other end. A plurality of rear unit heat sinks 50 provided with a 'rear sub heat dissipation fin 53' may be provided to distinguish the sub heat dissipation fin 43 '.

The plurality of rear main heat dissipation fins 33 serves to dissipate heat transferred from the second heating elements to the rear heat dissipation main body 31 by exchanging heat with external air. Therefore, like the front heat dissipation main body 21, the rear heat dissipation main body 31 may be provided with a metal material having easy thermal conductivity, and the plurality of rear main heat dissipation fins 33 may also be provided with a metal material having easy thermal conductivity.

Here, the plurality of rear main heat dissipation fins 33 may be formed on the rear surface of the rear heat dissipation main body 31 and, for example, may be integrally formed with the rear heat dissipation main body 31, and a plurality of rear mains may be formed. The heat dissipation fin 33 may be manufactured as a separate member and adhered to the rear surface of the rear heat dissipation main body 31 with a heat conductive adhesive, or fixed with a separate fastening member such as a bolt.

On the other hand, the plurality of rear unit heat sinks 50 radiate heat generated from the plurality of second heat generating elements to the outer space separately from the plurality of second heat generating elements, in particular, as described later. It plays a role.

In particular, the multi-input / output antenna device 1 according to an embodiment of the present invention adopts a structure for individually dissipating heat generated from a plurality of FPGAs 115 among communication components having a large amount of heat generation among the second heating elements. do. Here, the plurality of FPGAs 115 are components that perform digital signal processing operations such as receiving digital signals converted from analog / digital converters and converting them into baseband signals. Thereby, regardless of the heat dissipation performance of the rear heat dissipation main body 31, it is possible to more quickly dissipate heat generated from the FPGA 115 having a larger heat generation amount.

Meanwhile, the plurality of rear main heat dissipation fins 33 formed on the rear surface of the rear heat dissipation main body 31 may be disposed to be inclined upwardly, similarly to the plurality of front main heat dissipation fins 23. In addition, according to an embodiment of the multiple input / output antenna device 1 according to the present invention, the plurality of rear main heat dissipation fins 33 is upward so that the inflow of external air into the plurality of rear main heat dissipation fins 33 is further increased. It may be arranged to be inclined. Therefore, the inflow of the outside air is easy not only in the lower side but also in the side of the rear heat dissipation main body 31.

Such a plurality of rear main heat dissipation fins 33 have a left heat dissipation fin part 34 disposed to be inclined upward toward an upper and lower center line of the rear heat dissipation main body 31 on the left side in FIG. 5B, and a rear heat dissipation main body 31 on the right side. It may include a right heat radiation fin portion 35 is disposed to be inclined upward toward the vertical line of the.

That is, the plurality of rear main heat dissipation fins 33 is formed of two groups of the left heat dissipation fin portion 34 and the right heat dissipation fin portion 35, and the left heat dissipation fin portion 34 is formed from the left side of the rear heat dissipation fin portion 31. Outside air flows through and flows, but is upwardly flowed toward the front center of the rear heat dissipation main body 31, and outside air flows through the right heat dissipation fin unit 35 from the right side of the rear heat dissipation main body 31 and flows backward. It flows upward toward the front center of the main body 31.

Here, the heat exchange air of both sides gathered toward the front center of the rear heat dissipation main body 31 is discharged to the outer space from the heat dissipation exhaust rib 36 which will be described later where the left heat dissipation fin 34 and the right heat dissipation fin 35 meet each other. Can be.

Meanwhile, as illustrated in FIGS. 5B and 8, one end of the plurality of rear unit heat sinks 50 may be fixed to the rear heat dissipation main body 31, and the other end thereof may be coupled to an antenna mounting bracket to be described later. .

More specifically, the plurality of rear unit heat sinks 50, the coupling portion 51 for coupling to the rear surface of the rear heat dissipation main body 31 to be in contact with any one of the second heating element as the one end, the coupling portion Conductive portion 52 for transferring the heat conducted through the 51 to the outer space, and a plurality of rear sub-heat radiating fins 53 stacked on the outer periphery of the conductive portion 52 may be included. The tip of the conducting portion 52 may be fixed to the antenna mounting bracket as the other end.

On the other hand, the plurality of rear sub heat dissipation fins 53 may be formed such that its heat dissipation area gradually decreases toward the outer space. This makes the rear heat dissipation main body 31, i.e., the area of the rear sub heat dissipation fin 53 closer to the second heat generating element larger than the area of the rear sub heat dissipation fin 53 provided at a far distance, thereby providing a more rapid 2 This is to dissipate heat conducted from the heating element.

In addition, the plurality of rear unit heat sinks 50 may be formed to protrude to an outer space more than the plurality of rear main heat dissipation fins 33 formed on the rear heat dissipation body 31. This is to prevent the occurrence of installation interference when coupling with the antenna mounting bracket to be described later by the rear main heat dissipation pin 33.

The rear heat dissipation main body 31 may be provided with a coupling hole 37 to which the coupling portions 51 of the plurality of rear unit heat dissipators 50 described above are coupled. The coupling part 51 of the plurality of rear unit heat sinks 50 may be disposed to closely contact the heating surface of at least one of the second heating elements through the coupling hole 37 of the rear heat dissipation main body 31. have. At this time, the coupling part 51 may be coupled to the coupling hole 37 by a screw coupling method.

Meanwhile, in one embodiment of the multi-input / output antenna device 1 according to the present invention, as shown in FIGS. 9A to 10, the transceiving module substrate 110 may include a part of a plurality of second heating elements, The first transmitting and receiving substrate 111 and the plurality of second heat generating elements are disposed on the left side of the rear heat dissipation unit 30 in the vertical direction and are mounted in a vertical direction on the right side of the rear heat dissipation unit 30. A third transmission receiver configured to be mounted in the vertical direction between the second transmitter / receive substrate 112 and the plurality of second heat generating elements, and the first transmitter / receiver substrate 111 and the second transmitter / receiver substrate 112 disposed long, It may include a substrate 113.

A plurality of FPGAs 115 may be provided in the first transmission / reception board 111 and the second transmission / reception board 112 to be spaced apart by a predetermined distance in the vertical direction. Therefore, the number of the plurality of rear unit heat sinks 50 coupled to the outside of the rear heat dissipation main body 31 may also be provided to correspond to the number of the FPGA 115 described above.

The third transmission and reception board 113 may be mounted with a communication component 116 except for a communication component having a relatively high heat generation, such as the FPGA 115. However, the first and second transmission and reception boards 111 and 112 are not necessarily provided with only the FPGA 115 or the third and reception boards 113 and the FPGA 115. That is, the FPGA 115 and the remaining communication components 116 except for this may be disposed in a balanced manner on all of the first transmission and reception substrate 111 to the third transmission and reception substrate 113 in consideration of heat dissipation.

In an embodiment of the multiple input / output antenna device 1 according to the present invention, in the case of the FPGA 115 having a relatively high heat generation, the FPGA 115 may be individually radiated by the rear unit radiator 50 described above. For the other communication parts 116 except for), it is not easy to directly contact the rear heat dissipation main body 31 due to various heights and shapes from the substrate surface. The heat dissipation structure is provided, and the communication grooves 116 other than the FPGA 115 are accommodated as the accommodating grooves 39 formed in the rear heat dissipation main body 31.

In more detail, as shown in FIG. 9A, the rear heat dissipating main body 31 may include an accommodating groove 39 in which a plurality of second heat generating elements of the third transmitting and receiving substrate 113 are accommodated, extending in the vertical direction. Can be.

The accommodation groove 39 may be formed to be recessed from the front side of the rear heat dissipation main body 31 to the rear side. Therefore, as shown in FIGS. 9A and 9B, the receiving groove 39 has a rear heat dissipation body 31 on the outer side (rear surface) of the rear heat dissipation body 31 on which the plurality of rear main heat dissipation fins 33 are formed. A heat dissipation exhaust rib 36 recessed to protrude from the inner side toward the outer side may be provided. The shape and specific function of the heat radiation exhaust rib 36 will be described later in detail.

As described above, heat generated from some of the plurality of second heat generating elements accommodated in the accommodating groove 39 is collected inside the accommodating groove 39 so that the heat dissipating exhaust ribs 36 or the heat dissipating exhaust of the rear heat dissipating main body 31 are collected. The heat may be radiated to the outside through a plurality of rear main heat radiating fins 33 connected to the rib 36.

On the other hand, the heat dissipation exhaust ribs 36 may be formed to have a horizontal cross section having a triangle vertex. Here, the plurality of rear main heat dissipation fins 33 may extend to vertices of the heat dissipation exhaust ribs 36. In more detail, the left heat dissipation fin part 34 of the rear main heat dissipation fin 33 has an upper end extended to the heat dissipation exhaust rib 36, and the right heat dissipation fin part 35 of the rear main heat dissipation fin 33 has an upper end thereof. It extends to this heat dissipation exhaust rib 36.

Assuming that the height of the heat dissipation exhaust ribs 36 protruding outward from the rear heat dissipation main body 31 is the same as the height of the rear main heat dissipation fin 33, the heat dissipation air flowing between the rear main heat dissipation fin 33 portions. Is moved upward and meets the heat radiation exhaust rib 36, the heat radiation air meeting the heat radiation exhaust rib 36 can be easily exhausted to the outer space while flowing toward the vertex of the triangle.

Meanwhile, according to an embodiment of the multi-input / output antenna apparatus 1 according to the present invention, as shown in FIGS. 5A and 5B, the plurality of antenna elements 13 and the transmit / receive module substrate 110 of the antenna substrate 11 are provided. The apparatus may further include a plurality of RF air lines 100 for signal connecting communication components including a first heating element.

The plurality of RF air lines 100, one end may be connected to the rear of the antenna housing 10, the other end may be connected to the front of the front heat dissipation body 21. Through such a plurality of RF air lines 100, the communication component including the antenna element 13 of the antenna substrate 11 and the communication component including the RFIC 125 and FPGA 115 of the transmission and reception module substrate 110 Feeding lines can be established between them.

Figure 11 is an exploded perspective view showing a coupling state of the mounting bracket of the configuration of Figure 1 and Figures 12a and 12b is a plan view and a side view showing a rotating and tilting state by the horizontal rotating bracket and the vertical rotating bracket of the installation bracket.

An embodiment of the multi-input / output antenna apparatus 1 according to the present invention may further include an installation bracket for mediating the installation to the existing antenna mounting support, as shown in FIGS. 1 to 4 and 11. .

As shown in FIGS. 1 and 14, the mounting bracket includes a heat dissipation bracket 60 coupled to each of the plurality of rear unit heat sinks 50 and a fixed point of the antenna mounting support coupled to the heat dissipation bracket 60. An up and down pivot bracket 70 provided to be rotatable in the up and down direction, a horizontal pivot bracket 80 coupled to the up and down pivot bracket 70 and pivoted in a horizontal direction with respect to a fixed point of the antenna mounting support, Is coupled to the horizontal rotation bracket 80, the other end includes a support fixing bracket 90 is coupled to the antenna installation support.

In general, as an antenna device 1 compared with an embodiment of the present invention, when the antenna device 1 formed in the vertical direction is provided in the vertical longitudinal direction, the length of the vertical direction is formed long Due to the overall product shape, balanced fixing with only one mounting bracket is virtually impossible.

In addition, after the antenna device 1 is installed on the antenna mounting post, the angle adjustment is required to adjust the wavelength direction irradiated to / from the antenna element 13. By the way, in the case of the antenna device (1) formed long in the vertical direction, when fixed with only one mounting bracket, it is impossible to prevent the physical fluctuation of the upper end or the lower end due to wind pressure such as the outside wind. Therefore, in general, the fixing to the antenna mounting post of the antenna device 1 requires the use of a complicated mounting bracket.

In contrast, the mounting bracket applied to the multiple input / output antenna device 1 according to an embodiment of the present invention has a cantilever shape with respect to the antenna mounting support not shown as shown in FIGS. 1 to 4 and 11. Thus, one embodiment of the antenna device 1 can be fixed.

In addition, the angle adjustment of the above-described antenna device 1 is possible by rotating the upper and lower rotating brackets 70, the horizontal rotating brackets 80, and the support fixing brackets 90, respectively, of the mounting brackets.

For example, as shown in FIG. 12A, after the antenna device 1 is installed at the distal end of the up and down pivot bracket 70 via the heat dissipation bracket 60, the horizontal pivot bracket 80 is horizontally rotated in the horizontal direction. The horizontal angle can be adjusted. As shown in FIG. 12B, the vertical tilt bracket 70 can be vertically rotated in the vertical direction with respect to the horizontal pivot bracket 80.

On the other hand, the heat dissipation bracket 60 is formed in a ring shape, as shown in Figure 11, on the outer surface of the mounting ring 61 and the mounting ring 61 for providing an installation surface of the vertical pivot bracket 70. A radially extending, but may include a plurality of fixing parts 63 extending toward the plurality of rear unit heat sink (50).

Here, when the plurality of fixing parts 63 are coupled to the rear heat dissipation main body 31, the mounting ring portion 61 is located at the rear center portion of the rear heat dissipation main body 31 for the overall weight balance of the antenna device 1. Can be located.

In addition, a plurality of residual heat radiation fins 64 are formed on the outer surface of the fixing portion 63 to dissipate heat transferred from the plurality of rear unit heat sinks 50, as referred to the enlarged view of FIG. 11. Can be.

The plurality of residual heat radiating fins 64 may effectively radiate heat from the rear unit radiator 50 transferred to the second heat generating element by increasing the surface areas of the plurality of fixing parts 63.

On the other hand, the vertical rotation bracket 70 may be formed with a vertical guide slot 71 for guiding the vertical rotation. The upper and lower guide slots 71 are connected to each other so that the front end portions of the horizontal rotation brackets 80 are combined with each other, and the upper and lower guide slots 71 allow the vertical movement of the vertical rotation brackets 70 with respect to the horizontal rotation brackets 80. It serves as a guide.

In addition, the holding fixing bracket 90 may be formed with a horizontal guide slot 91 for guiding the horizontal rotation. The rear end portions of the horizontal rotation brackets 80 are connected to the horizontal guide slots 91 so that the rear ends thereof are combined with each other, and the horizontal guide slots 91 horizontally move the horizontal rotation brackets 80 with respect to the prop fixing bracket 90. It serves as a guide.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention.

Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

The present invention includes an antenna substrate having a plurality of antenna elements arranged on a front surface thereof, a plurality of first heat generating elements generated by electric driving on a front surface thereof, and a plurality of second heat generating elements generated by electric driving on a rear surface of the antenna board. Provided is a multiple input / output antenna device including a transmission / reception module substrate disposed to have a spaced distance from the substrate.

Claims (16)

An antenna substrate having a plurality of antenna elements arranged on a front surface thereof; And A transceiving module substrate having a plurality of first heating elements generated by electric driving on a front surface thereof and a plurality of second heating elements generated by electric driving on a rear surface thereof, the transceiving module substrate disposed to have a spaced space with respect to the antenna substrate; Including, And heat generated from the plurality of first heat generating elements is radiated to the front of the transmission / reception module substrate, and heat generated from the plurality of second heat generating elements is radiated to the rear of the transmission / reception module substrate. The method according to claim 1, A plurality of RF air lines disposed in the separation space and configured to signal-connect the antenna elements of the antenna substrate and the first heating element of the transmission / reception module substrate; Multiple input and output antenna device further comprising. The method according to claim 1, A front heat dissipation unit for dissipating heat generated from the plurality of first heat generating elements; And A rear heat dissipation unit for dissipating heat generated from the plurality of second heat generating elements; Multiple input and output antenna device further comprising. The method according to claim 3, The front heat dissipation unit, A front heat dissipation body disposed in close contact with the front surface of the transmission / reception module substrate and provided with a plurality of main heat dissipation fins protruding forward; And A plurality of sub heat dissipations disposed to penetrate the front heat dissipation main body, one end of which is in close contact with at least a portion of the first heat generating elements of the transceiving module substrate, and the other end dissipates heat conducted from the first heat generating elements to the outside; A plurality of front unit heat sinks provided with fins; Multiple input and output antenna device comprising a. The method according to claim 4, The plurality of front unit heat sinks, the multiple input and output antenna apparatus in which the plurality of sub heat dissipation fins are exposed to the separation space. The method according to claim 4, The plurality of front unit heat sinks, A coupling part coupled to the front heat dissipation body to be in contact with any one of the first heat generating elements; A conducting unit transferring heat conducted through the coupling unit to the separation space; And The plurality of sub heat dissipation fins provided on the outer circumference of the conductive part in a stacked manner; Multiple input and output antenna device comprising a. The method according to claim 3, The rear heat dissipation unit, A rear heat dissipation body disposed to closely contact a rear surface of the transmission / reception module substrate and having a plurality of main heat dissipation fins protruded to the rear; And A plurality of sub heat dissipations disposed to penetrate the rear heat dissipation main body, one end of which is in close contact with at least a portion of the second heat generating elements of the transmission / reception module substrate, and the other end dissipates heat conducted from the second heat generating elements to the outside; A plurality of rear unit heat sinks having fins; Multiple input and output antenna device comprising a. The method according to claim 7, The plurality of main heat dissipation fins, A left heat dissipation fin part disposed to be inclined upward toward a vertical center line of the rear heat dissipation main body from a left side; And A right heat dissipation fin part disposed to be inclined upward toward a vertical center line of the rear heat dissipation main body from a right side; Multiple input and output antenna device comprising a. The method according to claim 7, The plurality of rear unit heat sinks, A coupling part coupled to the rear heat dissipation main body to be in contact with any one of the second heat generating elements; A conducting unit configured to transfer heat conducted through the coupling unit to an external space corresponding to the outside of the rear heat dissipation main body; And The plurality of sub heat dissipation fins provided on the outer circumference of the conductive part in a stacked manner; Multiple input and output antenna device comprising a. The method according to claim 9, The plurality of sub heat dissipation fins are formed to reduce the heat dissipation area toward the outside space multiple input and output antenna device. The method according to claim 9, And a coupling hole in which the coupling part is coupled to the rear heat dissipation body. The method according to claim 7, The transceiver module substrate, A first transmitting / receiving substrate on which some of the plurality of second heat generating elements are mounted, the first transmitting / receiving substrate being elongated in a vertical direction on a left portion of the rear radiating unit; A second transmitting / receiving substrate on which some of the plurality of second heat generating elements are mounted, the second transmitting / receiving substrate being elongated in a vertical direction on a right portion of the rear heat dissipation unit; And A third transmitting / receiving substrate on which a part of the plurality of second heat generating elements is mounted, and disposed to be long in the vertical direction between the first transmitting and receiving substrate and the second transmitting and receiving substrate; Multiple input and output antenna device comprising a. The method according to claim 12, And a plurality of accommodating recesses in which the plurality of second heat generating elements of the third transmitting and receiving substrate are accommodated in the rear heat dissipation main body in a vertical direction. The method according to claim 13, And a heat dissipation exhaust rib formed on the outer surface of the rear heat dissipation main body in which the plurality of main heat dissipation fins are formed, the recessed grooves being protruded from the inner surface of the rear heat dissipation main body toward the outer surface. The method according to claim 14, The heat dissipation exhaust ribs are formed to have a horizontal cross section having a triangle vertex, The plurality of main heat dissipation fins, the multiple input and output antenna device formed to extend to the vertex of the heat radiation exhaust rib. The method according to claim 15, The plurality of main heat dissipation fins, A left heat radiation fin part disposed to be inclined upwardly toward a vertex of the heat radiation exhaust rib from the left side; And A right heat dissipation fin part disposed to be inclined upward toward a vertex of the heat dissipation exhaust rib at a right side; Including, The heat flowing through the left heat dissipation fin portion and the right heat dissipation fin portion is exhausted to the outside through the heat dissipation exhaust ribs.

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