WO2016060305A1

WO2016060305A1 - Antenna device

Info

Publication number: WO2016060305A1
Application number: PCT/KR2014/009785
Authority: WO
Inventors: 김인호; 양형석; 강성만; 정은석; 이상훈
Original assignee: 주식회사 케이엠더블유
Priority date: 2014-10-17
Filing date: 2014-10-17
Publication date: 2016-04-21

Abstract

An antenna device, according to various embodiments of the present disclosure, may comprise: an antenna module; and a bracket which fixes, on an outer wall, the antenna module and a radio remote head (RRH) receiving signals from the antenna module and a base station, and which detachably fixes the RRH.

Description

Antenna device

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna device, and more particularly, to an antenna device enabling attachment and detachment of a radio remote head (RRH) for receiving signals from an antenna and a base station.

As the wireless mobile communication service is popularized, an antenna device for providing a wireless network environment that can more stably provide a service is being spread and expanded. In particular, 4G mobile communication technology based on LTE (Long Term Evolution) is used to transmit and receive various data signals through 2G (2G) to 3G, which enables only wired communication. The antenna device for the 4G mobile communication is mounted with the existing 3G to share the installation location. However, a 3G repeater (hereinafter referred to as '3G RRH (Radio Remote Head)') connected to a 3G antenna and receiving signals from a 3G antenna and a base station, and a 4G antenna connected to a 4G antenna And 4G repeaters (hereinafter, referred to as 4G radio remote heads) for receiving signals from base stations are formed separately from each other.

1 is a diagram illustrating a general antenna device, and FIG. 2 is a diagram schematically showing the antenna device disclosed in FIG. 1. 1 and 2, the antenna device 10 includes an antenna 11 and an RRH 12 connected to the antenna 11. More specifically, 4G RRH 12b connected to 3G antenna 11a and 4G antenna 11b and 4G antenna 11b is provided in one housing 16 to enable 3G and 4G mobile communication services. The housing 16 is fixed to the outer wall 13 by the bracket 14. In addition, the 3G RRH 12a connected to the 3G antenna 11b is installed on the outer wall 13 in a state spaced apart from the housing 16 and electrically connected to the 3G antenna 11a through a separate cable 15. Is provided to be connected.

In the case of the antenna device 10 having such a structure, since the 3G and

4G antennas

11a and 11b and the 4G RRH 12b are integrally mounted inside the housing 16, the 4G RRH 12b is provided. Due to malfunction or failure, the entire housing 16 must be removed from the outer wall 14 for replacement. As a result, not only the mobile communication service signal for 4G is broken, but also the signal for mobile communication service of the 3G antenna 11a which is being used is also cut off, and the existing 3G mobile communication service is not available.

Accordingly, an antenna device according to various embodiments of the present disclosure provides an antenna device in which a 4G RRH is integrally formed with an antenna, and in addition, the 4G RRH is easily detachable from an antenna.

In addition, even when replacement due to malfunction or failure of the 4G RRH 3G mobile communication services to provide an antenna device that can be used as it is.

Accordingly, an antenna device according to one of various embodiments of the present disclosure may include; An antenna device, comprising: an antenna module; A radio remote head (RRH) for receiving signals from the antenna module and the base station; And fixing the antenna module to the outer wall, it may include a bracket for detachably fixing the RRH.

In addition, an antenna device according to one of the various embodiments of the present disclosure; An antenna device, comprising: an antenna module; A radio remote head (RRH) for receiving signals from the antenna module and the base station; A bracket for fixing the antenna module to an outer wall and forming a mounting space for mounting the RRH between the antenna module and the outer wall; And a sliding fixing module detachably supporting the RRH in the mounting space according to the sliding movement of the RRH, wherein the sliding fixing module is mounted on at least one inner surface of the mounting space, and performs sliding movement of the RRH. A guide member for guiding and supporting the RRH; And a sliding member mounted on one surface of the RRH, seated on the guide member, sliding, and supported by the guide member, wherein the RRH is mounted as the sliding member slides on the guide member. Can be detached from space.

The antenna device according to various embodiments of the present disclosure as described above may form the 4G RRH integrally with the antenna module, and the 4G RRH may be provided to be easily detached from the antenna module, resulting in malfunction or failure of the 4G RRH. There is an advantage that the replacement can be simplified. In addition, even when replacing the 4G RRH, there is an advantage that the 3G mobile communication service provided with the 4G mobile communication service can be used as it is.

In addition, since the cable can be provided integrally, there is an advantage that can reduce the cable loss (loss) of the signal with its cost.

1 is a view schematically showing a general antenna device.

FIG. 2 is a block diagram schematically illustrating the antenna device disclosed in FIG. 1. FIG.

3 and 4 schematically illustrate an antenna device according to one embodiment of the present disclosure.

5 is a view showing a state in which the second RRR is separated from the mounting space in the antenna device disclosed in FIG.

6 is a perspective view of the antenna device disclosed in FIG.

FIG. 7 is an exploded perspective view of another direction of the antenna device disclosed in FIG. 6. FIG.

8 is an enlarged perspective view illustrating a state in which a cover part is rotatably coupled to a bracket in the antenna device of FIG. 7;

9 is an enlarged perspective view illustrating a state in which the cover unit is not mounted in the antenna device disclosed in FIG. 8.

FIG. 10 is an enlarged perspective view of the first and second guide rails in the antenna device according to the exemplary embodiment disclosed in FIG. 4.

FIG. 11 is a view illustrating a state in which a sliding cap is provided on the first and second guide rails in the antenna device according to the exemplary embodiment disclosed in FIG. 10.

12 is a cross-sectional view taken along the line B-B 'of FIG.

* Description of the sign

100: antenna unit 101: outer wall

110: antenna module 120: second RRH

130: bracket 131: cover part

140: coupling member 141: first guide rail

142: second guide rail 143: sliding cap

144: stopper 150: sliding fixed module

151: sliding member 152: guide member

153: hole 154: fastening member

170: snap-on connector 180: position engaging portion

S: mounting space

Hereinafter, various embodiments of the present disclosure will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines or the lengths of the elements shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in various embodiments of the present disclosure, which may vary according to a user's or operator's intention or custom. Therefore, definitions of these terms should be made based on the contents throughout the specification.

In addition, in describing various embodiments of the present disclosure, ordinal numbers such as 1 and 2 are used, but only for distinguishing objects of the same name from each other, the order may be arbitrarily determined, and for the object of subordinated order. The preceding description may apply mutatis mutandis.

An antenna device of the present disclosure will be described with an example of a dual antenna having each frequency band so as to cover at least two frequency bands. Specifically, the antenna device is provided with a 3G antenna and a 4G antenna to provide both 3G and 4G mobile communication services, that is to cover the frequency band for the 3G mobile communication service and the 4G mobile communication service Start the device. In addition, it is connected to the antennas for each mobile communication service, and has two RRHs for receiving each antenna signal and base station signal, specifically 3G RRH and 4G RRH, in particular 4G RRH is formed integrally with the antenna module The present disclosure also discloses an antenna device that enables 4G RRH to be detached and attached separately from the antenna module. In addition, by using the bracket to fix the antenna module to the outer wall, the 4G RRH is integrally provided with the antenna module, and the 4G RRH can be detached and attached separately from the antenna module for replacement or repair of the 4G RRH. Disclosed is an antenna device for allowing a 3G antenna in service to be used as it is. A description with reference to FIGS. 3 to 12 is as follows.

3 and 4 schematically illustrate an antenna device 100 according to one embodiment of the present disclosure. 3 and 4, the antenna device 100 according to an embodiment of the present disclosure includes an antenna module 110 having at least one frequency band, a repeater and a bracket connected to each antenna module 110. It is a structure including the 130. In particular, the antenna module 110 in the present embodiment will be described with an example of a dual antenna. That is, the antenna module 110 is a dual antenna including a first antenna (not shown) and a second antenna (not shown) to cover at least two frequency bands. Specifically, the first antenna is an antenna that enables 3G mobile communication service, and the second antenna is an antenna that enables 4G mobile communication service. These first and second antennas are provided together in one housing to form the antenna module 110. The repeater (in this embodiment, only the second repeater connected to the second antenna is shown) is a device connected to the antenna for each frequency band provided to the antenna module 110 to transmit and receive the antenna and the base station. Specifically, the repeater is a device that receives a weakened signal between the base station of the communication system and the mobile communication terminal, amplifies or retransmits or shaping a distorted waveform, and adjusts or reconstructs a timing to transmit the received waveform. The repeater of the present embodiment is configured to include a first repeater (not shown) connected to the first antenna and a second repeater 120 connected to the second antenna. Although not shown, a repeater connected to the first antenna (hereinafter referred to as 'first RH (Radio Remote Head)') is not installed on the outer wall 101 separately from the first antenna and electrically connected to the first antenna through a cable. Connected. The repeater 120 connected to the second antenna (hereinafter, referred to as a second radio remote head (RRH)) is provided to be formed together with the antenna module 110.

FIG. 5 is a view illustrating a state in which the second RRR is separated from the mounting space in the antenna device disclosed in FIG. 3. Referring to FIG. 5, the second RRR 120 is provided to be integrally provided with the antenna module 110, and is detachably provided separately from the antenna module 110. As described above, the second RRH 120 is integrally provided to the antenna module 110 and is slidably moved into the mounting space S of the bracket 130 to be detached from the antenna module 110 so as to be detached from the antenna module 110. It is provided, and is configured to be supported on the rear of the bracket 130 in a state inserted into the mounting space (S). A handle 122 may be provided in the second RRR 120 for the detachment convenience of the second RRR 120. In particular, in the present embodiment, the second RRR 120 is configured to be slidably moved and detached through one side of the bracket 130 in the vertical direction of the gravity direction. Accordingly, the handle 122 may be installed on the side of the second RRH 120. In addition, after the second RRR 120 is mounted in the mounting space S, the upper surface of the second RRR 120 may be in a one-touch form so as to be connected to the antenna module 110, in particular, a cable extending from the second antenna. Snap-on connectors are formed so that they can be connected or disconnected. Accordingly, the second antenna connection cable extending to the rear surface of the antenna module 110 can be simply connected to the snap-on connector 170 in a one-touch manner.

6 is an exploded perspective view of the antenna device disclosed in FIG. 4, and FIG. 7 is an exploded perspective view of another antenna device illustrated in FIG. 6. 6 and 7, in this embodiment, the bracket 130 not only secures the antenna module 110 to the outer wall 101 but also has the second RRR 120 integrally formed with the antenna module 110. do. Specifically, the antenna module 110 is fixed to the outer wall 101, and the bracket 130 is provided to form the antenna module 110 and the second RRR 120 as one body. The bracket 130 is fixed to both side surfaces of the antenna module 110 and is fixed to the outer wall 101 located at the rear of the antenna module 110. In addition, the bracket 130 coupled to the antenna module 110 is provided with a mounting space (S). The second RRR 120 may be positioned and fixed in the mounting space S, and may be separated from the antenna module 110 by being separated from the mounting space S. FIG. The bracket 130 is formed of a metal material, and can be fixed to the outer wall 101 while supporting the antenna module 110, thereby maintaining a stable installation state. The front surface of the bracket 130 is a structure that is open so that the antenna module 110 can be mounted, both sides of the bracket 130 is coupled to both sides of the antenna module 110 as well as the second RRR to the rear of the antenna module 110 Mounting space (S) is provided so that the 120 can be mounted. One side of one side of both sides of the bracket 130 may be opened so that the second RRR 120 may be provided in / out of the mounting space S. FIG. In the present embodiment, the cover unit 131 is rotatable on one side of the open bracket 130 and is coupled to the antenna module 110 as well as to release the coupling and the antenna module 110 to rotate the bracket 130. One side of, specifically, it will be described with an example to open / close the mounting space (S).

FIG. 8 is an enlarged perspective view illustrating a state in which the cover unit is rotatably coupled to the bracket in the antenna device disclosed in FIG. 7, and FIG. 9 is an enlarged perspective view illustrating a state in which the cover unit is not mounted in the antenna device disclosed in FIG. 8. 8 and 9, one side surface of the bracket 130, that is, the cover part 131, is provided with a rotation coupling part 132 rotatably coupled to an end of the rear surface of the bracket 130. In the present embodiment, the rotary coupling unit 132 will be described as an example of a door hinge (also referred to as a hinge). Specifically, the rotatable coupling portion 132 is provided with two plates rotatably around the shaft, one plate is coupled to the cover portion 131, the other plate is coupled to the bracket 130, The cover 131 is rotatable in the bracket 130 by being rotated about an axis. As mentioned above, the cover portion 131 forms one side of the bracket 130 by the rotation coupling portion 132 while the shaft is rotated about the center to turn on / off the mounting space (S). However, the rotation coupling portion 132 is not limited to this configuration. For example, provided with a rotating protrusion extending from the end of the cover portion 131, the end of the bracket 130 is provided with a rotating groove rotatably seated on the rotating projection, the rotating projection is rotated in the rotating groove to cover As the 131 may be provided to open / close the mounting space S, the configuration of the rotation coupling part 132 may be variously modified.

When the cover part 131 is engaged with the bracket 130 to cover the mounting space S by off, the position engaging part 180 is further included so that the cover part 131 can be engaged with the bracket 130 without a tolerance. (See FIGS. 7 and 9). The position engaging portion 180 is configured to include a hole 181 and a protrusion 182 having elasticity. The hole 181 is formed in the cover portion 131, the projection 182 is formed in the bending surface bent from the rear side of the bracket 130 to the side, the cover portion 131 to turn off the mounting space (S) In this case, the hole 181 is engaged with the protrusion 182 to allow the cover portion 131 to be positioned while maintaining a constant occurrence of the tolerance in the bracket 130.

FIG. 10 is an enlarged perspective view of the first and second guide rails in the antenna device according to the embodiment disclosed in FIG. 4, and FIG. 11 is the first and second guides in the antenna device according to the embodiment disclosed in FIG. 10. It is a figure which shows the state in which the sliding cap is provided in the rail, and FIG. 12 is sectional drawing along the line BB 'of FIG. 10 to 12, the coupling member 140 is provided on the antenna module 110 and the bracket 130 to couple the antenna module 110 and the bracket 130. The coupling member 140 includes a first guide rail 141, a second guide rail 142, a sliding cap 143, and a stopper 144. The first guide rail 141 is provided on both sides of the antenna module 110, and has a concave shape of '⊂'. The first guide rail 141 is configured to couple the antenna module 110 and the bracket 130 by being coupled by the sliding cap 143 in engagement with the second guide rail 142 which will be described later. The first guide rail 141 is formed integrally with the side surface of the antenna module 110 and may be formed of the same material as the material of the side surface of the antenna module 110.

The second guide rails 142 are provided on both sides of the bracket 130 and have a concave shape of '⊃' so as to face and face each other with the grooves of the first guide rail 141. Particularly, since one side of the bracket 130 is provided as a cover part 131 for turning on / off the mounting space S, one of the second guide rails 142 is provided at the end of the cover part 131. The second guide rail 142 is integrally formed on the bracket 130 and the cover part 131, and is formed of the same material as the material of the bracket 130 (in this embodiment, the cover part 131 is the bracket 130). For example, it is formed of the same material as).

The sliding cap 143 is a plate whose both ends are bent in a direction facing each other, one end of both ends is seated on the first guide rail 141, the other end is seated on the second guide rail 142 and the bracket according to the sliding movement It is a configuration for coupling the 130 and the antenna module 110. That is, when the first guide rail 141 and the second guide rail 142 are engaged, the concave groove of the first guide rail 141 and the concave groove of the second guide rail 142 are formed in the form of '⊃⊂'. It is formed to be equal to each other. In the state formed as described above, the bent end of the sliding cap 143 is seated in the concave groove of the first guide rail 141, the bent of the sliding cap 143 in the concave groove of the second guide rail 142. The other end is seated. The sliding cap 143 is slidably moved while seated on the first and

second guide rails

141 and 142 to closely couple the first and

second guide rails

141 and 142. In particular, the sliding cap 143 provided on the cover 131 is slid from the first and

second guide rails

141 and 142 to be coupled to the first and

second guide rails

141 and 142. Is fixedly coupled to the antenna module 110. In addition, when the sliding cap 143 provided to the cover part 131 is slid and moved from the first and

second guide rails

141 and 142 to be separated from the first and

second guide rails

141 and 142, the cover part 131 ) Is rotated in a direction away from the antenna module 110 around the rotary coupling portion 132 to turn on / off the mounting space (S).

At least one of the first guide rail 141 or the second guide rail 142 is formed with a plurality of elastic members 147 adjacent to each other along the first and

second guide rails

141 and 142. In the present embodiment, for example, the elastic members 147 are provided along the length direction of the second guide rail 142. The elastic members 147 press the gaps generated between the sliding cap 143 and the first and

second guide rails

141 and 142, thereby the first and

second guide rails

141 and 142 and the sliding cap 143. ) Are tightly coupled to each other. In addition, the sliding cap 143 is caught by the elastic member 147 during the sliding movement in the first and

second guide rails

141 and 142, thereby generating a tactile feeling caused by the locking, and thus providing feedback of the sliding movement to the user. . Although not shown, the elastic members 147 may be provided with balls and springs in grooves formed in the first and

second guide rails

141 and 142. The elastic members 147 having such a configuration enable sliding movement of the sliding cap 143 by the elasticity of the spring when the sliding cap 143 is slid and the ball being drawn / drawn into the groove as well as the rotation of the ball. The first and

second guide rails

141 and 142 and the sliding cap 143 may be in close contact with each other.

The stopper 144 is fixed to the end of the second guide rail 142. When the antenna module 110 is engaged with the front opening of the bracket 130, the second guide rail is seated inside the stopper 144. As described above, the sliding cap 143 is slid along the first and

second guide rails

141 and 142 and the sliding movement is stopped by the stopper 144. In this embodiment, the stopper 144 is described as being integrally formed on the second guide rail 142, but the configuration is not limited thereto and the first and

second guide rails

141 and 142 are engaged with each other. As it is also possible to provide a configuration in which the stopper 144 is fitted to the ends of the first and

second guide rails

141 and 142, the configuration of the stopper 144 can be changed as much as possible.

Therefore, to briefly summarize the configuration in which the antenna module 110 is coupled to the bracket 130 fixed to the outer wall 101, the second guide rail 142 and the antenna module of the bracket 130 installed on the outer wall 101 After the first guide rails 141 of the 110 are engaged with each other, the sliding caps 143 are fitted to the first and

second guide rails

141 and 142 to slide to the stopper 144 to allow the antenna module 110 and The bracket 130 may be fixed. In addition, when the antenna module 110 installed on the outer wall 101 needs to be replaced, the first and second guide rails may include the sliding cap 143 provided on the antenna module 110, the bracket 130, and the cover part 131. By moving away from the sliding (141, 142), it is possible to separate and replace the antenna module 110 in the bracket (130).

In addition, the antenna module 110 may be removed and replaced only the second RRR 120 in a fixed state on the bracket 130. That is, when the antenna module 110 is fixed to the bracket 130 fixed to the outer wall 101 as described above, a mounting space S is formed between the rear surface of the antenna module 110 and the bracket 130. . The second RRR 120 is mounted in the mounting space S to be integrally provided with the antenna module 110 as well as to be pulled in / out from the mounting space S through one side of the bracket 130 to be detached from the antenna module 110. It is possible to be provided.

Sliding fixing module 150 is provided to be detachable in the mounting space (S) 2RRH (120). Specifically, the sliding fixing module 150 is provided inside the rear side of the second RRR 120 and the bracket 130, respectively, and the second RH 120 is configured to allow sliding movement and thus detachment in the mounting space S. to be. The sliding fixing module 150 includes a guide member 152 and a sliding member 151.

At least one guide member 152 is mounted on the inner side of the mounting space S, specifically, the rear side of the bracket 130, and is provided to guide the sliding movement of the sliding member 151 and to support the guide member 152. . In the present embodiment, the guide member 152 is formed to face each other in the vertical direction of the gravity direction, so that the second RRR 120 is formed to be able to pull in / out through the side of the bracket 130 Listen and explain. The end of the guide member 152 is bent toward the upper side to prevent the separation of the sliding member 151 to be described later is formed to be sliding and seated.

The sliding member 151 is mounted on the rear surface of the second RRH 120, is mounted on the guide member 152, is slidably moved, and is supported by the guide member 152. The sliding member 151 is formed in the vertical direction of the gravity direction toward the rear surface of the second RRR 120, is mounted on the guide member 152 and is provided to be slidably moved in the vertical direction of the gravity direction.

In the state in which the second RRR 120 is seated in the mounting space S, the guide member 152 and the sliding member 151 are formed with holes 153 penetrating to the second RRR 120 and the holes 153 are formed. A fastening member 154 coupled to penetrate is provided. The fastening member 154 penetrates the hole 153 and is fastened to the second RRR 120. That is, the fastening member 154 penetrates the guide member 152 and the sliding member 151 through the hole 153 and is coupled to the second RRR 120 so that the second RRR 120 is stably fixed to the bracket 130. Be sure to In the present embodiment, two holes 153 penetrating the guide member 152 and the sliding member 151 formed on the upper side, and two fastening penetrating the second RRH 120 through the two holes 153 The member 154 is provided, and two holes 153 penetrating the guide member 152 and the sliding member 151 formed on the lower side, and the second RRH 120 penetrates the two holes 153. For example, two fastening members 154 to be fastened are provided.

The antenna device 100 provided as described above may separate the antenna module 110 from the bracket 130 installed on the outer wall 101, and the antenna module 110 is fixed to the bracket 130. Only the second RRR 120 can be separated at 110.

In the present embodiment, but described as a 3G, 4G as an example, but is not limited to this. It will be obvious to those skilled in the art that the present embodiment described above can be applied to a mobile communication environment using different frequencies, for example, 700Mhz and 2.6Ghz in 4G.

In the foregoing detailed description of the present invention, specific embodiments have been described. However, it will be apparent to those skilled in the art that various modifications can be made without departing from the scope of the present invention.

Claims

In the antenna device,

An antenna module;

A radio remote head (RRH) for receiving signals from the antenna module and the base station; And

Fixing the antenna module to the outer wall, the antenna device comprising a bracket for detachably fixing the RRH.
The method of claim 1,

The bracket is provided with a mounting space for mounting the RRH between the antenna module and the outer wall,

An antenna device comprising a sliding fixing module for detachably fixing the RRH in the mounting space.
The method of claim 2, wherein the sliding fixing module,

At least one guide member mounted on an inner surface of the mounting space to guide sliding movement of the RRH and to support the RRH; And

At least one mounted on one surface of the RRH, the sliding member is seated on the guide member, the sliding member is supported by the guide member,

And the RRH is detachable from the mounting space as the sliding member slides on the guide member.
The method of claim 3, wherein the guide member and the sliding member is provided in the vertical direction of the gravity direction,

And the RRH is slidably moved in the vertical direction of the gravity direction and detached from the mounting space.
The method of claim 4, wherein

The bracket further includes a cover portion for covering the mounting space.
The method of claim 5,

The top surface of the RRH is provided with a snap-on for connecting the cable extending from the antenna module in a one-touch type.
In the antenna device,

An antenna module;

A radio remote head (RRH) for receiving signals from the antenna module and the base station;

A bracket for fixing the antenna module to an outer wall and forming a mounting space for mounting the RRH between the antenna module and the outer wall;

A sliding fixing module for detachably supporting the RRH in the mounting space in accordance with the sliding movement of the RRH,

The sliding fixed module,

At least one guide member mounted on an inner surface of the mounting space to guide sliding movement of the RRH and to support the RRH; And

At least one mounted on one surface of the RRH, the sliding member is seated on the guide member, the sliding member is supported by the guide member,

And the RRH is detachable from the mounting space as the sliding member slides on the guide member.