Clamping device for antenna equipment

Abstract

A clamping device capable of reducing the installation space required for an antenna device on a support pole. [Solution] The clamping device for an antenna equipment includes a rotation unit that rotates the antenna equipment horizontally, a tilting unit that rotates the antenna equipment vertically, and a connecting arm that mounts at least one of the rotation unit and the tilting unit to the support pole so that the support pole is not positioned on the horizontal rotation path and vertical rotation path of the antenna equipment.

Description

[Technical field]

[0001] The present invention relates to a clamping apparatus for an antenna device, and more particularly, to a clamping apparatus for an antenna device that can reduce installation space, reduce costs, and meet various installation regulations of various countries. [Background technology]

[0002] Wireless communication technology, for example, Multiple Input Multiple Output (MIMO) technology, is a technology that dramatically increases data transmission capacity by using multiple antennas. It is a spatial multiplexing technique in which a transmitter transmits different data to each other through each transmitting antenna, and a receiver separates the transmitted data through appropriate signal processing.

[0003] Therefore, by simultaneously increasing the number of transmitting and receiving antennas, the channel capacity increases and more data can be transmitted. For example, if the number of antennas is increased to 10, the channel capacity will be about 10 times that of the current single antenna system using the same frequency band.

[0004] 4G LTE-advanced uses up to 8 antennas, and currently, products equipped with 64 or 128 antennas are being developed in the pre-5G stage, and it is expected that 5G will use base station equipment with a much larger number of antennas, which is called Massive MIMO technology.Current cell operations are 2-Dimension, but with the introduction of Massive MIMO technology, 3D-Beamforming will be possible, so it is also called FD-MIMO (Full Dimension).

[0005] In Massive MIMO technology, as the number of ANTs (antennas) increases, the number of transmitters and filters also increases. However, due to the cost of leasing installation sites and spatial constraints, it is realistic to make RF components (antennas / filters / power amplifiers / transceivers, etc.) small, light, and inexpensive. Massive MIMO requires high output power to expand coverage, but the power consumption and heat generated by such high output power act as a negative factor in reducing weight and size.

[0006] In particular, when a MIMO antenna in which modules embodying RF elements and digital elements are combined in a stacked structure is installed in a limited space, there is an increasing need for a compact and miniaturized design of the multiple layers constituting the MIMO antenna in order to maximize ease of installation and space utilization, and there is a strong demand for the ability to freely adjust the direction of an antenna device installed on a single support pole.

[0007] FIG. 1 is a perspective view showing an example of use of a clamping device for an antenna device according to the prior art, and FIG. 2 is a plan view illustrating the expansion of the installation space occupied before and after tilting the antenna device of FIG.

[0008] 1, multiple antenna devices A1, A2, A3 may be mounted on one support pole 10. To this end, the support pole 10 is provided with a mounting bracket 20, and the antenna devices A1, A2, A3 are coupled to a tip 20' of the mounting bracket 20 via a coupling unit 30 and a tilting unit 40, respectively.

[0009] Here, as shown in FIG. 2, a number of antenna devices A1, A2, and A3 are arranged to be rotatable (tilted) in the vertical direction around a tilting rotation point T by at least a tilting unit 40, and when tilted at the maximum angle, the installation space occupied by the antenna devices A1, A2, and A3 is expanded (see drawing reference symbols D1 and D2).

[0010] As described above, the clamping device 1 of the antenna equipment according to the conventional technology has a problem that the antennas must be installed in a limited space (for example, one support pole 10) in a concentrated manner, and the cost burden on the installation space provider increases by the volume occupied by one antenna, and as described above, there is a possibility that the cost burden will increase even more as the space expands when tilting at the maximum angle.

[0011] In order for the antenna devices A1, A2, and A3 to affect or not affect the radiation of the signal beams of the surrounding antenna devices A1, A2, and A3, the tilting angles of the antenna devices A1, A2, and A3 must be secured. To achieve this, the antenna devices A1, A2, and A3 must be protruded from the support pole 10 and installed on the support pole 10 so that they do not get caught on the support pole 10 when tilting, which results in an additional increase in rental fees due to the installation space occupied by the antenna devices A1, A2, and A3.

[0012] For reference, in South Korea, the protruding distances between antenna equipment A1, A2, and A3 are different, so in order to minimize the impact on beamforming radiation, the minimum distance between antenna equipment A1, A2, and A3 is regulated to 50 cm.

[0013] Also, it can be pointed out that the tilting angle of the antenna devices A1, A2, and A3 is limited due to physical interference with the support pole 10. Summary of the Invention [Problem to be solved by the invention]

[0014] The technical object of the present invention is to provide a clamping device for an antenna device that reduces the space occupied by the antenna device when tilting, thereby preventing an increase in the cost burden due to the rental fee for installation space, and can easily realize the tilting and rotation of the antenna device.

[0015] Another technical object of the present invention is to provide a clamping device for an antenna device that can flexibly accommodate various countries that have regulations regarding the installation space for the antenna device and the size of the antenna device to be installed.

[0016] Another technical object of the present invention is to provide a clamping device for an antenna equipment, which can reduce the overall installation radius of the antenna equipment, thereby reducing the moment load applied to the support pole, thereby improving the safety of the support pole.

[0017] The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description. [Means for solving the problem]

[0018] In order to achieve the above object, the clamping device for an antenna device according to the present invention is composed of a rotation unit, a tilting unit, and a connecting arm. The rotation unit rotates the antenna device in a horizontal direction. The tilting unit rotates the antenna device in a vertical direction. The connecting arm provides at least one of the rotation unit and the tilting unit on the support pole so that the support pole is not positioned on the horizontal rotation path and the vertical rotation path of the antenna device.

[0019] The connecting arm may be composed of an arm body and an arm branch. The arm body may be coupled to the support pole. The arm branch may extend straight in a radial direction of the support pole outside the arm body. At least one of the rotation unit and the tilting unit may be provided on the arm branch.

[0020] The connecting arm may include at least one of the rotation unit and the tilting unit mounted on the support pole such that one side of the arm branch faces a rear surface of the antenna device.

[0021] The arm body may have a through hole through which the support pole passes.

[0022] The arm branch may be formed in a plate shape. A plate-shaped protrusion may be formed on the other end of the arm branch located on the opposite side of the antenna device. The plate-shaped protrusion may be a plate-shaped protrusion for securing an installation surface for at least one of a rotation unit and a tilting unit.

[0023] A lower surface of the plate-like protrusion may extend horizontally on a lower surface of the arm branch. An upper surface of the plate-like protrusion may be formed as an inclined surface that slopes downward as it moves away from the other side of the arm branch.

[0024] The arm branch may be formed of a plurality of arm branches spaced apart at equal intervals in a circumferential direction of the arm body, and the antenna device may include a plurality of antenna devices respectively provided on the plurality of arm branches via the rotation unit and the tilting unit.

[0025] The rotation unit and the tilting unit provided on one arm branch among the plurality of arm branches and the rotation unit and the tilting unit provided on another arm branch may be arranged so as not to come into contact with each other within a maximum rotation rotation range and a maximum tilt rotation range of the plurality of antenna devices.

[0026] The rotation unit and the tilting unit may be integrated in one housing. The connecting arm may mount the housing to the support pole.

[0027] The rotation center axis of the tilting unit is located in a range directly below the antenna device between one side of the arm branch that is close to the antenna device and the other side that is located opposite the antenna device, and may not move out of the range directly below the antenna device when the antenna device is tilted.

[0028] The rotation center axis of the tilting unit may be arranged parallel to the length of the arm branch when the rotation rotation value of the rotation unit and the tilting rotation value of the tilting unit are "0". Further details of the embodiments are included in the detailed description and the drawings. Effect of the Invention

[0029] According to an embodiment of the clamping device for an antenna device of the present invention, the antenna device is mounted on the support pole so that the support pole is not positioned on the horizontal rotation path and vertical rotation path of the antenna device, so that the antenna device is not interfered with by the support pole when tilting the antenna device. Therefore, when the antenna device is mounted on the support pole, the extent to which the antenna device protrudes from the support pole can be reduced, so that the space occupied by the antenna device can be minimized, and an effect of preventing an increase in the rental cost of the installation space of the antenna device can be created.

[0030] The effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims. [Brief description of the drawings]

[0031] [Figure 1] FIG. 1 is a perspective view showing an example of use of a clamping device for an antenna device according to a conventional technology. [Diagram 2] 2 is a plan view illustrating an expansion of the installation space occupied before and after tilting the antenna device of FIG. 1. [Diagram 3] 1 is a conceptual diagram showing the operation and effect of a clamping device for an antenna device according to the present invention in comparison with the prior art; [Figure 4] 1 is a side perspective view showing a clamping device for an antenna device according to an embodiment of the present invention; [Diagram 5] FIG. 5 is a front view of FIG. [Figure 6] FIG. 5 is a plan view of FIG. [Figure 7] FIG. 13 is a perspective view showing a clamping device for an antenna device according to another embodiment of the present invention. [Figure 8] FIG. 8 is an exploded perspective view of FIG. [Figure 9] FIG. 8 is a front view of FIG. [Figure 10] FIG. 8 is a plan view of FIG. [Figure 11] FIG. 8 is a side perspective view of FIG. [Figure 12] FIG. 8 is a perspective view of the antenna device of the configuration of FIG. 7 after tilting. [Figure 13] FIG. 13 is a plan view of FIG. 12. Specific details for carrying out the invention

[0032] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a clamping device for an antenna device according to the present invention will be described in detail with reference to the accompanying drawings.

[0033] In assigning reference numerals to components in each drawing, it should be noted that the same components are assigned the same numerals as much as possible even if they are displayed in different drawings. In addition, in describing the embodiments of the present invention, if a detailed description of related known configurations or functions is deemed to hinder understanding of the embodiments of the present invention, the detailed description will be omitted.

[0034] In describing components of the embodiments of the present invention, terms such as 1, 2, A, B, (a), (b) and the like may be used. Such terms are merely used to distinguish the components from other components, and do not limit the essence, order, or procedure of the components. In addition, unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention belongs. Terms that are defined in commonly used dictionaries should be interpreted as having the same meaning as they have in the context of the related art, and should not be interpreted in an idealized or overly formal sense unless expressly defined in this application.

[0035] FIG. 3 is a conceptual diagram showing the operation and effect of the clamping device for an antenna device according to the present invention in comparison with the prior art.

[0036] As shown in FIG. 3, the clamping device for an antenna device according to the present invention includes a connecting arm 200 extending horizontally at a predetermined distance from the center of a support pole 10, a rotation unit 300 connected to the lower surface of the tip of the connecting arm 200 so as to rotate horizontally around an arbitrary vertical axis, and a tilting unit 400 connected to the tip of the rotation unit 300 so as to rotate vertically around an arbitrary horizontal axis, and an antenna device A is fixed to the tip of the tilting unit 400.

[0037] Here, the arbitrary vertical axis may refer to the central axis of rotation of the rotation unit 300, and the arbitrary horizontal axis may refer to the central axis of rotation of the tilting unit 400. Rotation in the horizontal direction around the arbitrary vertical axis may refer to "rotation". Throughout the description, the meanings of "rotation" and "rotating" may be the same as rotation in the horizontal direction or rotation in the left-right direction. Rotation in the vertical direction around the arbitrary horizontal axis may refer to "tilting". Throughout the description, the meaning of "tilting" may be the same as rotation in the vertical direction or rotation in the up-down direction.

[0038] The rotation unit 300 may be a unit including a rotating motor and may rotate the antenna device A in a horizontal direction by the driving force of the rotating motor, and the tilting unit 400 may be a unit including a tilting motor and may rotate the antenna device A in a vertical direction by the driving force of the tilting motor.

[0039] The rotation unit 300 may be provided on the connecting arm 200, and the tilting unit 400 may be provided on the antenna device A. Or, the rotation unit 300 may be provided on the antenna device A, and the tilting unit 400 may be provided on the connecting arm 200. That is, one of the rotation unit 300 and the tilting unit 400 may be provided on the connecting arm 200, and the other may be provided on the antenna device A.

[0040] The rotation unit 300 and the tilting unit 400 may be connected to each other. The rotation unit 300 and the tilting unit 400 may connect the antenna device A to the connecting arm 200. In this embodiment, the rotation unit 300 and the tilting unit 400 may be integrated into one housing. In this case, the housing may connect the antenna device A to the connecting arm 200.

[0041] Compared to the conventional technology in which a rotation unit 300 is attached to the outside of the tip of a connecting arm 200 as shown in (a) of FIG. 3, the clamping device for an antenna equipment according to the present invention as shown in (b) of FIG. 3 has the advantage that a reduced space can be secured by reducing the installation space occupied before tilting the antenna equipment A based on a reference line, thereby preventing an increase in the rental cost of the installation space.

[0042] FIG. 4 is a side perspective view showing a clamping device for an antenna device according to an embodiment of the present invention, FIG. 5 is a front view of FIG. 4, and FIG. 6 is a plan view of FIG.

[0043] More specifically, the clamping device of the antenna equipment according to one embodiment of the present invention may be provided as a single sector type in which one side of the connecting arm 200 is formed to protrude horizontally from the support pole 10 and extend a predetermined length, as shown in Figures 4 to 6.

[0044] That is, the connecting arm 200 may include an arm body 210 connected to the support pole 10 and a plate-shaped arm branch 220 extending straight in the radial direction of the support pole 10 outside the arm body 210 .

[0045] The arm body 210 may have a through hole 215 through which the support pole 10 passes. In this embodiment, the arm body 210 and the through hole 215 are formed in a circular shape, but the shapes of the arm body 210 and the through hole 215 are not limited to a circular shape, and may be formed in a shape corresponding to the planar cross-sectional shape of the support pole 10, such as a polygonal shape such as a triangle or a rectangle.

[0046] The connecting arm 200 may provide at least one of the rotation unit 300 and the tilting unit 400 on the support pole 10 so that the support pole 10 is not located on the horizontal rotation path and the vertical rotation path of the antenna device A. For example, as in this embodiment, when the tilting unit 400 is coupled to the antenna device A, the connecting arm 200 may provide the rotation unit 300 on the support pole 10 so that the support pole 10 is not located on the horizontal rotation path and the vertical rotation path of the antenna device A. Also, when the rotation unit 300 is coupled to the antenna device A, the connecting arm 200 may provide the tilting unit 400 on the support pole 10 so that the support pole 10 is not located on the horizontal rotation path and the vertical rotation path of the antenna device A.

[0047] Of course, the clamping device for an antenna device according to an embodiment of the present invention may not include the rotation unit 300 and the tilting unit 400. In this case, the antenna device A may be mounted on the connecting arm 200 so as to be capable of being passively rotated and tilted by an operator, and the connecting arm 200 may mount the antenna device A on the support pole 10 so that the support pole 10 is not positioned on the horizontal and vertical rotation paths of the antenna device A.

[0048] Since antenna device A is mounted on the support pole 10 so that the support pole 10 is not positioned on the horizontal and vertical rotation paths of antenna device A, antenna device A is not interfered with by the support pole 10 when tilting antenna device A. Therefore, when antenna device A is mounted on the support pole 10, the extent to which antenna device A protrudes from the support pole 10 can be reduced, thereby minimizing the space occupied by antenna device A and preventing an increase in the rental cost of the installation space for antenna device A.

[0049] 4 and 6, the tilting axis T, which is the rotation center axis of the tilting unit 400, may be located in a range directly below the arm branch 220 between one side 200A close to the antenna device A and the other side 200B located on the opposite side of the antenna device A. The tilting axis T of the tilting unit 400 may not deviate from the range directly below the arm branch 220 when the antenna device A is tilted.

[0050] The connecting arm 200 may have at least one of the rotation unit 300 and the tilting unit 400 mounted on the support pole 10 such that one side 200A of the arm branch 220 faces the rear surface of the antenna device A.

[0051] The tilting axis T, which is the central axis of rotation of the tilting unit 400, may be arranged parallel to the length of the arm branch 220 of the connecting arm 200 when the rotation rotation value of the rotation unit 300 and the tilting rotation value of the tilting unit 400 are "0".

[0052] Therefore, as shown in FIG. 5, when observing the antenna device A clamped by the clamping device for an antenna device according to one embodiment of the present invention from the front, at least a support pole 10 arranged vertically on one side of the antenna device A can be observed.

[0053] Also, as shown in FIG. 6, the tilting axis T of the tilting unit 400 is always positioned within the range directly below the connecting arm 200, so that the tilting space occupied by the antenna device A when tilting in the vertical direction is reduced by the extension length of the connecting arm 200 compared to the comparative example shown in FIG. 3(a).

[0054] At least one of the rotation unit 300 and the tilting unit 400 may be provided at an end of the arm branch 220 of the connecting arm 200. A plate-shaped protrusion 225 for securing an installation surface may be formed on an end of the other side 200B of the arm branch 220 of the connecting arm 200 of at least one of the rotation unit 300 and the tilting unit 400. That is, the plate-shaped protrusion 225 may be formed on an end of the other side 200B of the arm branch 220 located on the opposite side of the antenna device A.

[0055] The lower surface of the plate-shaped protrusion 225 extends horizontally on the lower surface of the arm branch 220, and the upper surface of the plate-shaped protrusion 225 is formed as an inclined surface that slopes downward as it moves away from the other side 200B of the arm branch 220, thereby ensuring the installation surface of at least one of the rotation unit 300 and the tilting unit 400 with minimal weight.

[0056] FIG. 7 is an oblique view showing a clamping device for an antenna equipment according to another embodiment of the present invention, FIG. 8 is an exploded oblique view of FIG. 7, FIG. 9 is a front view of FIG. 7, FIG. 10 is a plan view of FIG. 7, FIG. 11 is a side oblique view of FIG. 7, FIG. 12 is a perspective view of the antenna equipment after tilting in the configuration of FIG. 7, and FIG. 13 is a plan view of FIG. 12.

[0057] As shown in Figures 7 to 13, in a clamping device for an antenna device according to another embodiment of the present invention, the arm branches 220 of the connecting arm 200 are provided in three, each having a radiation angle of 120 degrees and extending horizontally at a predetermined distance from the center of the support pole 10, and the antenna devices A1, A2, and A3 may be respectively connected to the three arm branches 220 via a rotation unit 300 and a tilting unit 400.

[0058] That is, the arm branch 220 of the connecting arm 200 may be formed of a plurality of arm branches 220 spaced apart at equal intervals around the arm body 210, and the antenna devices A1, A2, A3 may be provided as a plurality of antenna devices A1, A2, A3 respectively provided on the plurality of arm branches 220 via the rotation unit 300 and the tilting unit 400.

[0059] Here, it is preferable that the rotation unit 300 and the tilting unit 400 provided on each of the arm branches 220 are arranged so as not to come into contact with each other within the maximum rotation and tilting ranges of the antenna devices A1, A2, and A3. That is, the rotation unit 300 and the tilting unit 400 provided on one arm branch 220 among the multiple arm branches 220 and the rotation unit 300 and the tilting unit 400 provided on another arm branch 220 may be arranged so as not to come into contact with each other within the maximum rotation and tilting ranges of the antenna devices A1, A2, and A3.

[0060] In this case, referring to FIG. 10, the installation space occupied by antenna devices A1, A2, and A3 before tilting is reduced to within the range of D1, while referring to FIG. 13, even when antenna devices A1, A2, and A3 are tilted downward by 20 degrees, it is limited to the range of D2, which has the advantage that a much smaller installation space can be secured than in the comparative example shown in FIG. 3(a).

[0061] In this manner, according to the embodiment of the clamping device for antenna equipment of the present invention, the overall installation radius of antenna equipment A, A1, A2, and A3 can be reduced, thereby providing the advantage of improving the safety of the support pole 10 by reducing the moment load applied to the support pole 10.

[0062] The clamping device for an antenna device according to the present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above-described embodiment, and it is obvious that various modifications and equivalent implementations are possible by those skilled in the art. Therefore, the true scope of the present invention is determined by the claims set forth below. [Industrial Applicability]

[0063] The present invention provides a clamping device for an antenna device that reduces the space occupied by the antenna device when tilting, prevents an increase in the cost of installation space, and easily realizes tilting and rotating of the antenna device. [Explanation of symbols]

[0064] 10: Support pole 200: Connecting arm 210: Arm body 215:Through hole 220: Arm Branch 225: Plate-like protrusion 300: Rotation Unit 400: Tilting unit A, A1, A2, A3: Antenna equipment T: Tilting axis

Claims

1. a rotation unit for rotating the antenna device horizontally; a tilting unit for vertically rotating the antenna device; a connecting arm for mounting at least one of the rotation unit and the tilting unit on the support pole so that the support pole is not positioned on a horizontal rotation path and a vertical rotation path of the antenna device; The connecting arm is an arm body connected to the support pole; an arm branch extending straight in a radial direction of the support pole outside the arm body, and on which at least one of the rotation unit and the tilting unit is provided; The arm branch is formed in a plate shape, At the other end of the arm branch located on the opposite side to the antenna device, a plate-shaped protrusion for securing an installation surface of at least one of a rotation unit and a tilting unit is formed; The lower surface of the plate-like protrusion extends horizontally on the lower surface of the arm branch, A clamping device for an antenna equipment, wherein an upper surface of the plate-like projection is formed as an inclined surface that slopes downward as it moves away from the other side of the arm branch.

2. 2. The clamping device for an antenna device according to claim 1, wherein the connecting arm is provided with at least one of the rotation unit and the tilting unit on the support pole such that one side of the arm branch is disposed opposite to a rear surface of the antenna device.

3. 2. The clamping device for an antenna device according to claim 1, wherein the arm body is formed with a through hole through which the support pole passes.

4. The arm branch is formed of a plurality of arm branches spaced apart at equal intervals in a circumferential direction of the arm body, 2. The clamping apparatus for an antenna device according to claim 1, wherein the antenna device is provided with a plurality of antenna devices respectively provided on the plurality of arm branches via the rotation unit and the tilting unit.

5. 5. The clamping device for an antenna device as described in claim 4, wherein the rotation unit and the tilting unit provided on one arm branch among the plurality of arm branches and the rotation unit and the tilting unit provided on another arm branch are arranged so as not to come into contact with each other within a maximum rotation rotation range and a maximum tilt rotation range of the plurality of antenna devices.

6. A rotation unit for rotating the antenna device in a horizontal direction; a tilting unit for vertically rotating the antenna device; a connecting arm for mounting at least one of the rotation unit and the tilting unit on the support pole so that the support pole is not positioned on a horizontal rotation path and a vertical rotation path of the antenna device; The rotation unit and the tilting unit are integrated in one housing; The connecting arm mounts the housing to the support pole.

7. A rotation unit for rotating the antenna device in a horizontal direction; a tilting unit for vertically rotating the antenna device; a connecting arm for mounting at least one of the rotation unit and the tilting unit on the support pole so that the support pole is not positioned on a horizontal rotation path and a vertical rotation path of the antenna device; The connecting arm is an arm body connected to the support pole; an arm branch extending straight in a radial direction of the support pole outside the arm body, and on which at least one of the rotation unit and the tilting unit is provided; A clamping device for an antenna device, wherein the rotation center axis of the tilting unit is located in a range directly below the antenna device, corresponding to one side of the arm branch that is closer to the antenna device and the other side that is located on the opposite side of the antenna device, and does not move out of the range directly below the antenna device when the antenna device is tilted.

8. 8. The clamping device for antenna equipment according to claim 7, wherein the rotation center axis of the tilting unit is arranged parallel to the longitudinal direction of the arm branch extending in the radial direction of the support pole when the rotation rotation value of the rotation unit and the tilting rotation value of the tilting unit are "0".

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