KR100963122B1 - Antenna for discharging surge current - Google Patents

Abstract

The present invention relates to an antenna for discharging a surge current. The antenna includes a first conductor member, a clamp member that is a conductor, and a first ground member that electrically connects the first conductor member and the clamp member. Here, the clamp member is coupled to the antenna support member located outside of the antenna, the surge current is a current path formed through the first conductor member, the first ground member, the clamp member and the antenna support member. It is discharged to the outside through. Thus, the internal components of the antenna are not affected by the surge current.

Antenna, clamp, ground

Description

Antenna for discharging surge current {ANTENNA FOR DISCHARGING SURGE CURRENT}

The present invention relates to an antenna for discharging a surge current, and more particularly, to an antenna for discharging the surge current to the outside through a ground member and a clamp member connected to the ground member.

An antenna is an element that transmits and receives electromagnetic waves by radiating a beam in a specific direction, and in particular, a directional antenna installed in a base station is directly exposed to an external environment and has a structure shown in FIG. 1.

1 is a view showing an installation structure of an antenna installed in a base station in general, Figure 2 is a perspective view showing the antenna of FIG.

Referring to FIG. 1, the antenna 102 is mounted to the antenna support member 100 via clamps 104 and 106. Here, since the antenna 102 is installed in the base station, the antenna 102 is directly exposed to the external environment, and thus, as shown in FIG. 2 to protect the internal components of the antenna 102 from an external environment such as a lightning strike. The upper cover 200 and the side cover 202 for covering the internal components as well.

As shown in FIG. 2, conductor members 204A and 204B, which are connectors for connecting internal cables to the outside, are formed on the outer surface of the side cover portion 202. Here, the cable may be a feed line for supplying power to a radiation element, which is one of the internal components of the antenna 102. In addition to the cable, an inclination angle adjusting device for controlling the operation of the phase shifter for adjusting the direction of the radiation pattern output from the radiation element is inserted into the conductor member 204A or 204B and the member for adjusting the inclination angle adjusting device is electrically conductive. It is connected to the sieve member 204A or 204B.

Since the antenna 102 having such a structure is directly exposed to the external environment, surge current is generated due to a lightning strike, and flows into the antenna 102 through the conductor members 204A and 204B made of a conductor. Can be. In this case, since a separate discharge path is not formed in the antenna 102, the surge current affects the internal components of the antenna 102. Thus, the characteristics of the antenna 102 could be changed due to the surge current.

An object of the present invention is to provide an antenna for discharging the surge current to the outside through a ground member and a clamp member electrically connected to the ground member.

In order to achieve the above object, an antenna according to an embodiment of the present invention comprises a first conductor member; Conductor clamp members; And a conductor, wherein the first ground member electrically connects the first conductor member and the clamp member. Here, the clamp member is coupled to the antenna support member located outside of the antenna, the surge current is a current path formed through the first conductor member, the first ground member, the clamp member and the antenna support member. It is discharged to the outside through.

The antenna further includes a cover portion. Here, the first conductor member is arranged on the first side of the cover portion, the clamp member is coupled to an antenna support member located outside of the antenna, the surge current is the current path and the antenna support member Discharged to the outside.

The first conductor member is connected to the first surface of the cover portion at the outside of the antenna, and the first ground member is arranged at the second surface opposite to the first surface of the cover portions at the inside of the antenna. do. In addition, the antenna further includes a first connection member that is a conductor connecting the first conductor member and the first ground member through the cover part.

The antenna includes a second conductor member connected to the first side of the cover portion; And a second connection member penetrating the cover part to connect the second conductor member and the first ground member. Here, the first connection member and the second connection member are electrically connected through the first ground member.

The antenna includes a second conductor member connected to the first side of the cover portion; A second ground member arranged on the second surface of the cover portion; And a second connection member penetrating the cover part to electrically connect the second conductor member and the second battery member. Here, the second ground member is electrically connected to the clamp member.

The antenna further includes a reflector arranged in a direction crossing the cover portion. The first ground member may include a first sub ground portion; And a second sub ground portion bent from the first sub ground portion. Here, the first sub ground portion is arranged on one side of the cover portion, and the second sub ground portion is arranged on a first side of the surfaces of the reflecting plate.

The clamp member is arranged on a surface opposite to the first surface of the reflecting plate, and the antenna further includes a third connecting member penetrating the reflecting plate to electrically connect the ground member and the clamp member.

The antenna includes an insulator member arranged on the first surface of the reflecting plate; And a fourth connection member penetrating the reflector to connect the insulator member and the clamp member. Here, the insulator member has a bent shape, a part of the insulator member is arranged on the cover portion, and another part of the insulator member is arranged on the reflector.

Antenna according to another embodiment of the present invention cover portion; A first conductor member and a second conductor member connected to one side of the cover part; And a ground member electrically connecting the first conductor member and the second conductor member. Here, the surge current is discharged through one of the conductor members, the ground member and the other conductor member.

The conductor members are connected to a first side of the lid, and the grounding member is arranged on a second side opposite to the first side of the lids. The antenna further includes connecting members penetrating the cover part to connect the conductor members and the ground member. Here, the grounding member electrically connects the connecting members.

The antenna according to the invention forms a current path through the ground member, the connecting member and the clamp member to discharge the surge current. Therefore, internal components of the antenna may not be affected by the surge current, and as a result, the characteristics of the antenna may be maintained.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Like reference numerals are used for like elements in describing each drawing.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and, unless expressly defined in this application, are construed in ideal or excessively formal meanings. It doesn't work.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a view showing a surge current discharge antenna according to a first embodiment of the present invention, Figure 4 is a perspective view schematically showing a conductor member according to an embodiment of the present invention. 5 is a view schematically illustrating a rear surface of a reflecting plate according to an embodiment of the present invention.

3 to 5, the antenna 300 of the present embodiment includes a reflector plate 302, a cover portion 304, a first conductor member 306A, a second conductor member 306B, and a ground member 308. ), The insulator member 310, the first connection member 312, the second connection member 314, the third connection member 316, the fourth connection member 318, the fifth connection member 320, and the cable ( 322 and at least one radiation element 324 and clamp member 500.

An antenna 300 according to an embodiment of the present invention is an antenna used for a base station, and is fixed to the antenna support member 200 as shown in FIG. 1.

The reflector 302 serves as a conductor and a ground as a conductor, and has a shape that is bent in a specific direction, for example, as shown in FIG. 5. Of course, the reflector plate 302 may have a shape bent in a direction opposite to that shown in FIG. 5. Alternatively, the reflector 302 may have a planar shape without having a bent shape. That is, the shape of the reflecting plate 302 is not particularly limited.

The cover 304 is formed on the side of the antenna 300 as shown in FIG. 3 to protect the internal components of the antenna 300 from the external environment, and preferably intersects with the reflector plate 302, preferably. It is arranged in the direction perpendicular to the reflecting plate 302. Of course, although not shown in FIG. 3 to protect the internal elements of the antenna 300 from the external environment, there is an upper cover as shown in FIG.

The first conductor member 306A is a conductor, and as shown in FIGS. 3 and 4, a hole through which the cable 322 or the inclination angle adjusting device passes can exist. This first conductor member 306A is formed on the outer side of the lid portion 304 as shown in FIG. 3. In addition, the first conductor member 306A is fixed to the lid 304 by the first connecting members 312. In detail, the first connection members 312 fix the first conductor member 306A formed on the outer surface of the cover part 304 inside the antenna 300 to the cover part 304.

The second conductor member 306B is a conductor, and as shown in FIGS. 3 and 4, a hole through which the cable 322 or the inclination angle adjusting device can pass is present. This second conductor member 306B is formed on the outer surface of the lid portion 304 as shown in FIG. 3. In addition, the second conductor member 306B is fixed to the lid portion 304 by the second connecting members 314. In detail, the second connection members 314 fix the second conductor member 306B formed on the outer surface of the cover portion 304 to the cover portion 304 inside the antenna 300.

According to an embodiment of the present invention, the conductor member 306A or 306B has a hole 402 formed in the center and a metal member 400 formed outside the hole 402 as shown in FIG. 4. Can be. In this case, the connecting members 312 or 314 may be coupled to the metal member 400 through the cover 304 (not shown in FIG. 4) as shown in FIG. 4. Of course, the conductor member 306A or 306B may be variously modified as long as a hole is formed in the center and the connecting members 312 or 314 are connected to the conductor member 306A or 306B.

The ground member 308 is formed on the cover 304, and electrically connects the first connection member 312 and the second connection member 314 as shown in FIG. 3. In this case, since the conductor members 306A and 306B, the connection members 312 and 314, and the ground member 308 are all conductors, the first conductor member 306A, the first connection member 312, and the ground A first current path is formed through the member 308, the second connection member 314, and the second conductor member 306B. Therefore, when a surge current flows into the antenna 300 through, for example, the first conductor member 306A due to a predetermined cause such as lightning, the surge current is generated in the first current path. And finally flows out through the second conductor member 306B. As a result, internal elements of the antenna 300 may not be affected by the surge current. Of course, this discharge of the surge current is also realized by the above method in which the grounding member 314 connects the connecting members 312 and 314, but the grounding member 314 is a conductor member outside the lid portion 304. Discharge of the surge current may also be realized by a new method of connecting the fields 306A and 306B.

The ground member 308 also consists of a connection 308A, an extension 308B and a clamp connection 308C.

The connecting portion 308A electrically connects the first connecting member 312 and the second connecting member 314 as described above.

The extension portion 308B extends in the direction from the connecting portion 308A toward the reflecting plate 302.

The clamp connection part 308C is formed on the first surface of the reflecting plate 302 and is connected to the clamp member 500 formed on the second surface opposite to the first surface through the third connection member 316. Here, the conductor members 306A and 306B, the connection members 312, 314 and 316, the ground member 308 and the clamp member 500 are all conductors, so that the conductor member 306A or 306B, the connection member A second current path is formed through the 312 or 314, the ground member 308, the third connection member 316, and the clamp member 500. Therefore, when a surge current is introduced into the antenna 300 through, for example, the first conductor member 306A for a specific cause, the surge current is finally clamped through the formed second current path. Flow into member 500. In this case, since the clamp member 500 is connected to the conductor antenna support member (not shown) through the clamp (not shown, see FIG. 1) as described below, the surge current is transmitted to the clamp member 500, the clamp and Discharge to the outside through the antenna support member. As a result, internal elements of the antenna 300 are not affected by the surge current.

In the above, the ground member 308 is connected to the clamp member 500 through the third connecting member 316, but as described below, the clamp connection portion 308C of the ground member 308 is bent in a bent shape. The reflective plate 302 may be directly connected to the clamp member 500. Even in this configuration, the surge current may be discharged to the outside through the ground member 308, the clamp member 500, and the antenna support member.

The insulator member 310 is formed on the first side of the reflecting plate 302 as shown in FIG. 3 as an insulator, a part of which is formed on the cover 304. In addition, the insulator member 310 is connected to the clamp member 500 through the fourth connecting member 318, and as a result, the clamp member 500 is stably fixed to the reflector plate 302 by the insulator member 310. Can be. However, as shown in FIG. 3, a space in which the ground member 308 is inserted is formed in a part of the insulator member 310 so that the ground member 308 is connected to the clamp member 500 on the reflector plate 302.

According to another embodiment of the present invention, the clamp connection portion 308C of the ground member 308 is formed on the insulator member 310, the connection member penetrates through the ground member 308 and the reflector plate 302 so that the clamp member ( 500).

A portion formed on the cover portion 304 of the insulator member 310 is coupled to the cover portion 304 through the fifth connection member 320. As a result, the lid 304 can be stably fixed by the insulator member 310.

The cable 322 is a feed line, for example.

The radiation element 324 is an element that outputs a predetermined radiation pattern, and is sequentially arranged on the reflective plate 300 as shown in FIG. 3. Here, various kinds of radiation elements may be used as the radiation element 324, that is, there is no particular limitation.

The clamp member 500 is arranged on a second side opposite to the first side of the reflecting plate 302, and is located between the bent portions of the reflecting plate 302 as shown in FIG. 5. In addition, the clamp member 500 is coupled to the antenna support member and is fixed by the insulator member 310.

This clamp member 500 forms a second current path between the conductor members 306A and 306B as described above.

Although not shown in the above drawings, a phase shifter may be formed on the second surface of the reflector 302.

The phase shifter controls the phase of the RF signal input from the outside (by distributing power input from the outside) and provides the corresponding radiation elements 324. In general, the antenna 300 generates beams in a predetermined direction using the radiating elements 324 to transmit and receive electromagnetic waves. However, in order to transmit and receive electromagnetic waves in a desired direction, the direction of the beam must be adjustable, and an element for adjusting the direction of the beam is the phase shifter. In detail, the phase shifter varies the phase of the RF signal to provide the radiation elements 324, and as a result, the beam direction is adjusted according to the variation of the phase.

In other words, the antenna 300 of the present embodiment has a structure in which the first current path and the second current path can be formed, and discharges a surge current to the outside through the current paths to protect its internal components. Here, since only one of the first current path and the second current path may discharge the surge current, only one of the first current path and the second current path may be implemented in the antenna 300. have. However, in order to sufficiently discharge the surge current, both the first current path and the second current path may be implemented in the antenna 300. However, since these current paths are sufficient to be implemented in the antenna 300, the shape of the antenna 300 may be variously modified as long as the current paths are formed.

Although not described above, new insulator members and clamp members may be further formed at the other end of the reflector plate 302. This is to stably couple the antenna 300 to the antenna support member as shown in FIG.

6 is a diagram illustrating an antenna according to a second embodiment of the present invention.

Referring to FIG. 6, the antenna 600 of the present embodiment includes a reflecting plate 602, a cover 604, conductor members 606A and 606B, ground members 608 and 610, an insulator member 612, Connecting members 614, 616, 618 and 620 and a clamp member.

Since the remaining components of the antenna 600 except for the ground members 608 and 610 are the same as the antenna 300 of the first embodiment, detailed description of the same components will be omitted.

The first grounding member 608 is connected to the first conductor member 606A through the first connecting member 614 and connected to the clamp member formed on the rear surface of the reflector 602 through the third connecting member 618. Connected. As a result, through the first conductor member 606A, the first connection member 614, the first ground member 608, the third connection member 618, the clamp member, the clamp (not shown) and the clamp A first current path is formed through the antenna support member connected to the clamp member. Thus, when a surge current is input through the conductor member 606A, the surge current passes through the first current path, i.e., the first connection member 614, the first ground member 608, and the third connection member. 618, discharged to the outside through the clamp member, the clamp and the antenna support member. Therefore, internal components of the antenna 600 may not be affected by the surge current.

The second ground member 610 is connected to the second conductor member 606B through the second connecting member 616 and is connected to the clamp member formed on the rear surface of the reflector 602 through the fourth connecting member 620. Connected. As a result, the second conductor member 606B, the second connection member 616, the second ground member 610, the fourth connection member 620, the clamp member, the clamp and the antenna support member Two current paths are formed. Thus, when a surge current is input through the conductor member 606B, the surge current passes through the second current path, i.e., the second connection member 616, the second ground member 610, and the fourth connection member. 620, discharged to the outside through the clamp member, the clamp, and the antenna support member. Therefore, internal components of the antenna 600 may not be affected by the surge current.

In other words, unlike the antenna 300 of the first embodiment, in the antenna 600 of the second embodiment, the ground members 614 and 616 are not interconnected, and therefore, the first conductor member 606A, the first connection. No current path is formed through the member 614, the first ground member 608, the second ground member 610, the second connection member 616, and the second conductor member 606B. However, as mentioned above, since the first current path and the second current path are formed, internal components of the antenna 600 may be protected from the surge current. In addition, the first conductor member 606A, the first connection member 614, the first ground member 608, the third connection member 618, the clamp member, the fourth connection member 620, the second ground Since the third current path is formed through the member 610, the second connection member 616, and the second conductor member 606B, the surge current may be discharged through the third current path.

Considering the first and second embodiments described above, the antennas 300 and 600 of the present invention form various current paths to discharge the surge current. Specifically, the antennas 300 and 600 include a first current path, a first conductor member, a first through the first conductor member, the first connection member, the ground member, the second connection member and the second conductor member. Second current path through connecting member, grounding member, third connecting member, clamp member, clamp and antenna support member, second conductor member, second connecting member, ground member, fourth connecting member, clamp member and antenna support Third current path through the member or first conductor member, first connecting member, first grounding member, third connecting member, clamp member, fourth connecting member, second grounding member, second connecting member and second conductive A fourth current pass through the sieve member is formed. Of course, as long as the antennas 300 and 600 of the present invention can discharge the surge current to the outside, various current paths may be formed in addition to the above-mentioned current paths. However, in forming the various current paths, the grounding member will necessarily be used.

7 is a view schematically illustrating a process of coupling the connecting member according to an embodiment of the present invention.

Referring to FIG. 7A, the ground member 608 has a shape that is bent in a specific direction, and includes a base member 608A formed on the cover part and a bending member 608B formed on the reflecting plate. In this case, the first connection member 706 is coupled to the conductor member through the hole 702 formed in the basic member 608A and the cover part. That is, the conductor member is electrically connected to the base member 608A of the ground member 608 through the first connection member 706.

In addition, the second connecting member 708 is coupled to the clamp member 700 through the hole 704 and the reflecting plate formed on the bent member 608B. That is, the bending member 608B of the ground member 608 is electrically connected to the clamp member 700 through the second connection member 708.

That is, a current path is formed through the conductor member, the first connection member 706, the ground member 608, the second connection member 708, and the clamp member 700. It was shown in the first embodiment and the second embodiment.

Referring to FIG. 7B, the grounding member 710 has a double bent shape and includes a basic member 710A, a first bending member 710B, and a second bending member 710C. In this case, the connecting member 712 penetrates through the hole 714 and the lid formed in the base member 710A and is coupled with the corresponding conductor member.

In addition, the second bending member 710C is connected to the clamp member 700 through the reflecting plate. That is, a current path is formed through the conductor member, the connection member 712, the ground member 710, and the clamp member 700.

In other words, the method of connecting the conductor member and the clamp member 700 may be variously modified as shown in FIG. 7. Of course, there are various connection methods that are not shown in FIG.

The embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art having ordinary knowledge of the present invention may make various modifications, changes, and additions within the spirit and scope of the present invention. Should be considered to be within the scope of the following claims.

1 is a diagram illustrating an installation structure of an antenna installed in a base station in general.

2 is a perspective view illustrating the antenna of FIG. 1.

3 is a diagram illustrating a surge current discharge antenna according to a first embodiment of the present invention.

4 is a perspective view schematically showing a conductor member according to an embodiment of the present invention.

5 is a view schematically illustrating a rear surface of a reflecting plate according to an embodiment of the present invention.

6 is a diagram illustrating a surge current discharge antenna according to a second embodiment of the present invention.

7 is a view schematically illustrating a process of coupling the connecting member according to an embodiment of the present invention.

Claims (10)

In the antenna, A first conductor member; Conductor clamp members; And A conductor comprising: a first ground member for electrically connecting the first conductor member and the clamp member, The clamp member is coupled to an antenna support member located outside of the antenna, and a surge current is passed through a current path formed through the first conductor member, the first ground member, the clamp member, and the antenna support member. Antenna which is discharged to the outside. The method of claim 1, wherein the antenna, Further comprising a cover portion for covering the side of the antenna, And the first conductor member is arranged on a first one of the faces of the cover part. The method of claim 2, wherein the first grounding member is arranged on a second surface of the face of the cover portion opposite to the first surface, The antenna, And a first connection member which is a conductor connecting the first conductor member and the first ground member through the cover part. The method of claim 3, wherein the antenna, A second conductor member connected to the first surface of the cover part; And Further comprising a second connecting member penetrating the cover portion to connect the second conductor member and the first ground member, And the first connecting member and the second connecting member are electrically connected through the first ground member. The method of claim 3, wherein the antenna, A second conductor member connected to the first surface of the cover part; A second ground member arranged on the second surface of the cover portion; And Further comprising a second connecting member for electrically connecting the second conductor member and the second ground member through the cover portion, And the second ground member is electrically connected to the clamp member. The method of claim 2, wherein the antenna, Further comprising a reflector arranged in a direction crossing the cover portion, The first ground member, A first sub ground part; And A second sub ground portion bent from the first sub ground portion; And the first sub ground portion is arranged on one side of the cover portion, and the second sub ground portion is arranged on a first side of the surfaces of the reflecting plate. The method of claim 6, wherein the clamp member is arranged on a second surface opposite to the first surface of the reflecting plate, The antenna, And a third connection member penetrating the reflector to electrically connect the ground member and the clamp member. The method of claim 6, wherein the antenna, An insulator member arranged on the first surface of the reflecting plate; And Further comprising a fourth connecting member penetrating the reflector to connect the insulator member and the clamp member, And the insulator member has a bent shape, some of the insulator members are arranged in the cover part, and other parts of the insulator members are arranged on the reflecting plate. Cover part; A first conductor member and a second conductor member connected to one side of the cover part; And A grounding member electrically connecting the first conductor member and the second conductor member, Surge current is discharged through one of the conductor members, the ground member and the other conductor member. 10. The apparatus of claim 9, wherein the conductor members are connected to a first side of the lid, and the grounding member is arranged on a second side opposite the first side of the lids. And the antenna further comprises connecting members penetrating the lid to connect the conductor members and the ground member, wherein the ground member electrically connects the connecting members.

Images