KR20040109995A - ribbon fiber distribution frame - Google Patents

Abstract

PURPOSE: A FDF(Fiber optic Distribution Frame) for ribbon optical cable is provided to perform efficiently a separating work, a mounting work, and an installing work by utilizing an internal space of a main body of the FDF. CONSTITUTION: A main body(10) includes an adapter bracket(13) for mounting an optical patch cord. A front cover(11) is installed on a front face of the main body and is formed with an acryl material. A rear cover(12) is installed on a rear face of the main body in order to open or shut a rear side of the main body. An optical connection plate is fixed on a bottom of the rear side of the main body in order to connect a ribbon optical cable to the optical patch cord. A plurality of branch part plates are installed between the adapter bracket and the optical connection plate. A plurality of ribbon branch parts of the optical patch cord are installed on the branch part plates. A margin plate includes a plurality of margin members.

Description

Optical distribution box for ribbon fiber cable {ribbon fiber distribution frame}

The present invention relates to light distribution, and more particularly, to an optical distribution box for a ribbon optical cable for distributing a ribbon optical cable.

In general, the optical distribution box installed in subscriber line, central station, relay station, etc. plays a role of connection between systems connecting optical fiber cable to optical end device or optical relay device and distribution of optical fiber cable for connection with multiple systems. .

In the conventional optical fiber distribution box for ribbon optical cable, the adapter bracket is installed in one stage inside the main body, and a plurality of one-prong adapters are arranged in the adapter bracket, and the optical connection plate is installed to be detached while sliding from the bottom of the main body. Branch mounting plate which is installed a plurality of ribbon branch portion of the patch cord is installed spaced apart in one direction, it consists of a structure that is installed in the bottom of the main body of the optical connecting plate.

The conventional optical fiber distribution box for ribbon optical cable is applied to a ribbon optical cable of 144 cores, and the optical connection plate is installed to slide on the bottom of the main body, so that the ribbon optical cable and the optical patch are separated by separating the optical connection plate when the ribbon optical cable is connected. As the cord was connected, problems such as disconnection occurred during the connection work, and the work was inconvenient because the work was performed by separating the optical connection board.

In addition, since the first-class adapter is used as the adapter installed in the adapter bracket, the adapter takes up a relatively large space when the adapter is installed, and the RX and TX cannot be distinguished.

In addition, since the optical connecting plate, the mounting plate, and the branch mounting plate are integrally installed on the bottom of the main body, it is inconvenient for the mounting of the optical patch cord to the mounting plate, and thus the space inside the main body becomes narrow. Separation, mounting, and dressing of the optical cable were very inconvenient.

On the other hand, since the distribution of the ribbon optical cable of 320 cores or 600 cores of 144 or more cores are distributed in three optical distribution boxes, installation and maintenance were unreasonable.

The optical fiber distribution box for a ribbon optical cable of the present invention for solving the above problems is to provide an optical fiber distribution box for a ribbon optical cable that allows the separation, mounting and dressing work of the ribbon optical cable to be efficiently performed.

The optical fiber distribution box for the ribbon optical cable of the present invention for achieving the above object, in the optical fiber distribution for the ribbon optical cable for distributing the ribbon optical cable of 320 cores or 600 cores, is provided with an adapter bracket for mounting the optical patch cord therein Main body; A front cover formed of a transparent acrylic material and installed on the front of the main body to be opened and closed; A rear cover installed to be detachable from the rear of the main body to open and close the rear of the main body; An optical connecting plate fixedly installed at a bottom of the rear surface of the main body and connected to an optical ribbon cord and a ribbon optical cable introduced into the main body; A plurality of branch attachment plates provided between the adapter bracket provided on the main body and the optical connecting plate, and alternately installed in the vertical direction so that a plurality of ribbon branch portions of the optical patch cord are mounted and supported; It is provided on the inner side or both sidewalls of the main body, characterized in that consisting of a female plate provided with a plurality of female members having a U-shape.

Another feature of the optical fiber distribution box for a ribbon optical cable of the present invention is characterized in that it consists of a configuration in which a plurality of two-prong adapter is arranged in the adapter bracket.

Therefore, the connection operation between the ribbon optical cable and the optical patch cord is performed while the optical connection plate is fixedly installed at the rear rear bottom of the main body, so that the connection operation is easy and the stability is secured, and the branch attachment plate is installed to cross each other up and down. It is easy to install the ribbon branch without tangling the patch cord, and the mounting plate is installed on the side wall of the main body, making it easy to install the optical patch cord.A two-prong adapter is installed on the adapter bracket, so that many installations can be performed in a small space. The distinction between RX and TX is made clearly, thereby making the most of the space inside the main body to maximize the separation, mounting, and dressing of the ribbon optical cable, and the work can be performed more efficiently.

1 is a cross-sectional view showing a cross section of a ribbon optical cable.

Figure 2 is a perspective view showing the appearance of the optical distribution box for the ribbon optical cable of the present invention.

Figure 3 is a schematic perspective view showing the internal structure of the light distribution box for the ribbon optical table of the present invention.

4 is a front view showing a ribbon branch of the optical patch cord.

5 is a plan view of FIG.

Explanation of symbols on the main parts of the drawings

One ; Ribbon optical cable 2; slot

3; 8 copies 10; main body

11; Front cover 11a; hinge

12; Rear cover 13; Adapter Bracket

14; Two-prong adapter 15; plate

16,21; Guide holder 17; Optical junction board

18; Branch mounting plate 19; A mischief

20; Filtering member 22; connector

30; Optical patch code 31; Ribbon Fiber

32; Ribbon branch 32a; Susbong

32b; Heat shrink tube 33; Branch patch code

Specific features and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings.

In FIG. 1, the ribbon optical cable 1 is formed by eight slots 2 having eight cores 3 having eight cores arranged circularly in five along the inner diameter of the cable, so that a total of 320 cores or slots 2 can be obtained. Otherwise it consists of 600 cores.

The ribbon optical cable optical distribution box of the present invention for distributing such a ribbon optical cable 1 for connection with a plurality of systems, as shown in Figures 2 and 3, the main body 10, the front cover 11 and the rear cover 12 ), A female plate 19, a branch attachment plate 18, and an optical connecting plate 17.

First, the main body 10 is provided with an adapter bracket 13 for mounting the optical patch cord 30 therein, the adapter bracket 13 is installed in two stages and a plurality of two-prong adapter 14 is horizontal And a plurality of guide holders 16 formed at both sides thereof so as to arrange and guide the optical patch cords 30 connected to the front and rear of the two-prong adapter 14 at the lower side of the adapter bracket 13. The plate 15 is installed.

And the front of the main body 10 is formed of a transparent acrylic material and the lower end is hinged by the hinge (11a) is provided with a front cover 11 for opening and closing the front of the main body 10, the rear of the main body 10 The rear cover 12 having a L-shape to cover the plane and the rear of the main body 10 is installed to be detachable to open the rear of the main body 10.

The optical connection plate 17 is fixed to the rear of the rear bottom of the main body 10 in multiple stages, and performs a connector protection and trimming function of the ribbon optical cable 1 introduced from an external line, and the ribbon optical cable 1 and Connection with the ribbon optical patch cord 30 is made.

Here, the ribbon optical patch cord 30 is a ribbon fiber 31 connected to the ribbon optical cable 1, the ribbon branch portion 32 fixed to the branch mounting plate 18 to be described later, as shown in FIG. Branch patch cord 33 is made of a ribbon branch 32 is a primary protection using a stainless steel sussing rod (32a) or a brass rod and the outside is finished with a heat shrink tube (32b).

The female plate 19 is provided with a plurality of U-shaped female members 20 so as to support the optical patch cord 30 to be mounted, and is installed on both sidewalls of the internal optical connection plate 17 of the main body 10.

A guide holder 21 for guiding the optical patch cord 30 to the female plate 19 is provided between the branch mounting plate 18 and the female plate 19.

The branch attachment plate 18 is provided between the optical connecting plate 17 and the adapter bracket 13 so as to cross each other up and down, and a plurality of ribbon branching portions 32 of the optical patch cord 30 are mounted and fixed. .

The optical connecting plate 17, the mounting plate 19, and the branch mounting plate 18 may vary in number depending on the maximum applied depth of 320 cores or 600 cores of the ribbon optical cable 1.

In the optical fiber distribution box for the ribbon optical cable of the present invention, when the ribbon optical cable 1 is distributed, the rear cover 12 is separated, and as shown in FIG. 5, when the ribbon optical cable 1 is inserted from the external line, the ribbon optical cable (1) is ribbon-branched in a plurality of optical connecting plate 17 is made by fusion connection with the optical patch cord 30, and the connection between the ribbon optical cable 1 and the optical patch cord 30 is optical connection Stored in plate 17.

In this way, the optical patch cord 30 that is connected to the ribbon optical cable 1 in the optical connecting plate 17, that is, the ribbon fiber 31 of the optical patch cord 30 is branched from the ribbon branch 32. 33), a plurality of ribbon branching portions 32 are mounted and fixed to a plurality of branching and mounting plates 18 provided between the optical connecting plate 17 and the adapter bracket 13.

At this time, the plurality of branch mounting plate 18 is installed so as to cross each other up and down to make the best use of the space, so that the work is easily performed when the ribbon branch 32 is mounted.

In addition, a connector 22 is connected to one end of an eight-core branch patch cord 33 on one side of the ribbon branch portion 32 of the optical patch cord 30, and is provided between the female plate 19 and the branch attachment plate 18. It is inserted into the guide holder 21 provided, guided to the side plate (19) provided on the side wall and is fitted and supported by the insertion plate member 20 provided in the woman plate 19 a lot.

The branch patch cord 33 of eight cores is inserted into and supported by the guide holder 16 of the plate 15 installed below the adapter bracket 13 in a state where a predetermined length is mounted on the filter plate 19. The connector 22 connected to the end of the cable 33 is inserted into the two-prong adapter 14 arranged in the adapter bracket 13, and the optical patch cord is connected to external equipment on the front of the adapter bracket 13. 30 is connected. At this time, the front cover 11 of the transparent acrylic material is installed on the front portion of the main body 10 to check the internal state.

The optical distribution box for the ribbon cable of the present invention can be applied to a ribbon optical cable of 320 cores or 600 cores, and the optical connecting plate 17 is fixed to the rear bottom rear of the main body 10 so that the optical connecting plate 17 is provided. Since the connection work between the ribbon optical cable 1 and the optical patch cord 30 is made in this fixed state, the operation is easy during the connection work and stability is ensured without problems such as disconnection.

In addition, a plurality of branch mounting plates 18, which are installed to mount a plurality of ribbon branch portions 32 of the optical patch cords 30, are installed to cross each other in the vertical direction, such that the optical connecting plate 17 and the adapter bracket 13 are installed. By utilizing the space between the maximum), it is easy to install the ribbon branch 32 without tangling the optical patch cord (30).

And, the female plate 19, which is installed a plurality of branch patch cords 33 are installed on both side walls of the main body 10 to maximize the internal space of the main body 10 is installed in the lower end of the main body integrated Branching patch code of the branch patch code 33 can be made much easier than in the prior art that the branching patch code is inserted in a narrow internal space to make the dressing work inconvenient.

On the other hand, since the two-hole adapter 14 is used as the adapter arranged in the adapter bracket 13, the adapter compared to the conventional one, which occupies a relatively large space when installed in the adapter bracket by using the one-prong adapter, and does not distinguish between RX and TX. When installed in brackets, multiple installations can be made in a small space, and separation of RX and TX can be made clearly.

Therefore, by utilizing the space inside the main body 10 to the maximum, the ribbon optical cable 1 can be easily separated, mounted, and dressed, and the work can be performed more efficiently.

The optical fiber distribution box for the ribbon optical cable according to the present invention as described above, the optical fiber between the ribbon optical cable 1 and the optical patch cord 30 in a state in which the optical connecting plate 17 is fixed to the rear of the inner rear bottom of the main body 10 Since the connection work is made, the connection work is easy and stability is secured, and since the branch mounting plate 18 is installed to cross each other up and down, it is easy to install the ribbon branch part 32 without tangling the optical patch cord 30. Since the mounting plate 19 is installed on the side wall of the main body 10, the mounting operation of the optical patch cord 30 is easily performed, and the two-prong adapter 14 is installed on the adapter bracket 13 so that a large number in a small space is provided. It is possible to install and clearly distinguish between RX and TX. Therefore, by utilizing the space inside the main body 10 to the maximum, the ribbon optical cable 1 is easily separated, mounted, and dressed, and the work is performed more efficiently. There is an effect that can be done.

Claims (2)

In optical fiber distribution cable for ribbon optical cable for distributing 320 or 600 core ribbon optical cable, A main body 10 having an adapter bracket 13 for mounting the optical patch cord 30 therein; A front cover 11 formed of a transparent acrylic material and installed on the front of the main body 10 to open and close; A rear cover 12 installed to be detachable from the rear of the main body 10 to open and close the rear of the main body 10; An optical connecting plate 17 fixedly installed at the bottom of the rear surface of the main body 10 and connecting the ribbon optical cable 1 and the optical patch cord 30 introduced into the main body 10; It is provided between the adapter bracket 13 and the optical connecting plate 17 provided in the main body 10, and the ribbon branch portion 32 of the optical patch cord 30 are staggered from each other in the vertical direction so as to be supported A plurality of branch attachment plates 18 provided; The optical distribution box for the ribbon optical cable, characterized in that it is provided on the inner side or both side walls of the main body 10, and the female plate 19 is provided with a plurality of female members having a U-shape. The method of claim 1, Ribbon optical cable optical distribution, characterized in that consisting of a plurality of two-prong adapter 14 is arranged in the adapter bracket (13).